author | Martin Trojer <martin.trojer@nokia.com> |
Fri, 15 Jan 2010 09:07:44 +0000 | |
changeset 34 | 92d87f2e53c2 |
permissions | -rwxr-xr-x |
34
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/* |
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|
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Copyright (C) 2000,2002,2004,2005,2006 Silicon Graphics, Inc. All Rights Reserved. |
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4 |
Portions Copyright (C) 2007 David Anderson. All Rights Reserved. |
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|
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This program is free software; you can redistribute it and/or modify it |
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7 |
under the terms of version 2.1 of the GNU Lesser General Public License |
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8 |
as published by the Free Software Foundation. |
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|
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This program is distributed in the hope that it would be useful, but |
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WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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|
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Further, this software is distributed without any warranty that it is |
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15 |
free of the rightful claim of any third person regarding infringement |
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or the like. Any license provided herein, whether implied or |
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otherwise, applies only to this software file. Patent licenses, if |
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any, provided herein do not apply to combinations of this program with |
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other software, or any other product whatsoever. |
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|
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You should have received a copy of the GNU Lesser General Public |
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License along with this program; if not, write the Free Software |
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston MA 02110-1301, |
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USA. |
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|
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Contact information: Silicon Graphics, Inc., 1500 Crittenden Lane, |
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Mountain View, CA 94043, or: |
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http://www.sgi.com |
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|
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For further information regarding this notice, see: |
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http://oss.sgi.com/projects/GenInfo/NoticeExplan |
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*/ |
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/* The address of the Free Software Foundation is |
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Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, |
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Boston, MA 02110-1301, USA. |
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SGI has moved from the Crittenden Lane address. |
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*/ |
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/* |
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This implements _dwarf_get_fde_list_internal() |
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and related helper functions for reading cie/fde data. |
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*/ |
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#include "config.h" |
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#include "dwarf_incl.h" |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include "dwarf_frame.h" |
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#include "dwarf_arange.h" /* using Arange as a way to build a |
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list */ |
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static int dwarf_find_existing_cie_ptr(Dwarf_Small * cie_ptr, |
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Dwarf_Cie cur_cie_ptr, |
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Dwarf_Cie * cie_ptr_to_use_out, |
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Dwarf_Cie head_cie_ptr); |
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static void dealloc_fde_cie_list_internal(Dwarf_Fde head_fde_ptr, |
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Dwarf_Cie head_cie_ptr); |
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static int dwarf_create_cie_from_start(Dwarf_Debug dbg, |
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Dwarf_Small * cie_ptr_val, |
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Dwarf_Small * section_ptr, |
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Dwarf_Unsigned section_index, |
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Dwarf_Unsigned section_length, |
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Dwarf_Small * frame_ptr_end, |
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Dwarf_Unsigned cie_id_value, |
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Dwarf_Unsigned cie_count, |
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int use_gnu_cie_calc, |
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Dwarf_Cie * cie_ptr_to_use_out, |
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Dwarf_Error * error); |
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static Dwarf_Small *get_cieptr_given_offset(Dwarf_Unsigned cie_id_value, |
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int use_gnu_cie_calc, |
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Dwarf_Small * section_ptr, |
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Dwarf_Small * cie_id_addr); |
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static int get_gcc_eh_augmentation(Dwarf_Debug dbg, |
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Dwarf_Small * frame_ptr, |
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unsigned long |
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*size_of_augmentation_data, |
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enum Dwarf_augmentation_type augtype, |
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Dwarf_Small * section_pointer, |
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Dwarf_Small * fde_eh_encoding_out, |
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char *augmentation); |
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static int |
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gnu_aug_encodings(Dwarf_Debug dbg, char *augmentation, |
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Dwarf_Small * aug_data, Dwarf_Unsigned aug_data_len, |
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unsigned char *pers_hand_enc_out, |
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unsigned char *lsda_enc_out, |
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unsigned char *fde_begin_enc_out, |
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Dwarf_Addr * gnu_pers_addr_out); |
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static int read_encoded_ptr(Dwarf_Debug dbg, |
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Dwarf_Small * section_pointer, |
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Dwarf_Small * input_field, |
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int gnu_encoding, |
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Dwarf_Unsigned * addr, |
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Dwarf_Small ** input_field_out); |
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static int qsort_compare(const void *elem1, const void *elem2); |
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/* Adds 'newone' to the end of the list starting at 'head' |
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and makes the new one 'cur'rent. */ |
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static void |
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chain_up_fde(Dwarf_Fde newone, Dwarf_Fde * head, Dwarf_Fde * cur) |
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parents:
diff
changeset
|
115 |
{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
116 |
if (*head == NULL) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
117 |
*head = newone; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
118 |
else { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
119 |
(*cur)->fd_next = newone; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
120 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
121 |
*cur = newone; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
122 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
123 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
124 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
125 |
/* Adds 'newone' to the end of the list starting at 'head' |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
126 |
and makes the new one 'cur'rent. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
127 |
static void |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
128 |
chain_up_cie(Dwarf_Cie newone, Dwarf_Cie * head, Dwarf_Cie * cur) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
129 |
{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
130 |
if (*head == NULL) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
131 |
*head = newone; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
132 |
} else { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
133 |
(*cur)->ci_next = newone; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
134 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
135 |
*cur = newone; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
136 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
137 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
138 |
#if 0 |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
139 |
/* For debugging only. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
140 |
static void |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
141 |
print_prefix(struct cie_fde_prefix_s *prefix, int line) |
92d87f2e53c2
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parents:
diff
changeset
|
142 |
{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
143 |
printf("prefix-print, prefix at 0x%lx, line %d\n", |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
144 |
(long) prefix, line); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
145 |
printf(" start addr 0x%lx after prefix 0x%lx\n", |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
146 |
(long) prefix->cf_start_addr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
147 |
(long) prefix->cf_addr_after_prefix); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
148 |
printf(" length 0x%llx, len size %d ext size %d\n", (long long) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
149 |
(unsigned long long) prefix->cf_length, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
150 |
prefix->cf_local_length_size, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
151 |
prefix->cf_local_extension_size); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
152 |
printf(" cie_id 0x%llx cie_id cie_id_addr 0x%lx\n", |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
153 |
(unsigned long long) prefix->cf_cie_id, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
154 |
(long) prefix->cf_cie_id_addr); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
155 |
printf |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
156 |
(" sec ptr 0x%lx sec index %lld sec len 0x%llx sec past end 0x%lx\n", |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
157 |
(long) prefix->cf_section_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
158 |
(long long) prefix->cf_section_index, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
159 |
(unsigned long long) prefix->cf_section_length, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
160 |
(long) prefix->cf_section_ptr + prefix->cf_section_length); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
161 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
162 |
#endif |
92d87f2e53c2
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parents:
diff
changeset
|
163 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
164 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
165 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
166 |
/* Internal function called from various places to create |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
167 |
lists of CIEs and FDEs. Not directly called |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
168 |
by consumer code */ |
92d87f2e53c2
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parents:
diff
changeset
|
169 |
int |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
170 |
_dwarf_get_fde_list_internal(Dwarf_Debug dbg, Dwarf_Cie ** cie_data, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
171 |
Dwarf_Signed * cie_element_count, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
172 |
Dwarf_Fde ** fde_data, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
173 |
Dwarf_Signed * fde_element_count, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
174 |
Dwarf_Small * section_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
175 |
Dwarf_Unsigned section_index, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
176 |
Dwarf_Unsigned section_length, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
177 |
Dwarf_Unsigned cie_id_value, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
178 |
int use_gnu_cie_calc, Dwarf_Error * error) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
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parents:
diff
changeset
|
179 |
{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
180 |
/* Scans the debug_frame section. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
181 |
Dwarf_Small *frame_ptr = section_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
182 |
Dwarf_Small *frame_ptr_end = section_ptr + section_length; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
183 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
184 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
185 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
186 |
/* |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
187 |
New_cie points to the Cie being read, and head_cie_ptr and |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
188 |
cur_cie_ptr are used for chaining them up in sequence. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
189 |
In case cie's are reused aggressively we need tail_cie_ptr |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
190 |
to add to the chain. If we re-use an early cie |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
191 |
later on, that does not mean we chain a new cie to the early one, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
192 |
we always chain it to the tail. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
193 |
Dwarf_Cie head_cie_ptr = NULL; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
194 |
Dwarf_Cie cur_cie_ptr = NULL; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
195 |
Dwarf_Cie tail_cie_ptr = NULL; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
196 |
Dwarf_Word cie_count = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
197 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
198 |
/* |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
199 |
Points to a list of contiguous pointers to Dwarf_Cie structures. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
200 |
*/ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
201 |
Dwarf_Cie *cie_list_ptr = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
202 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
203 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
204 |
/* |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
205 |
New_fde points to the Fde being created, and head_fde_ptr and |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
206 |
cur_fde_ptr are used to chain them up. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
207 |
Dwarf_Fde head_fde_ptr = NULL; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
208 |
Dwarf_Fde cur_fde_ptr = NULL; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
209 |
Dwarf_Word fde_count = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
210 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
211 |
/* |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
212 |
Points to a list of contiguous pointers to Dwarf_Fde structures. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
213 |
*/ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
214 |
Dwarf_Fde *fde_list_ptr = NULL; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
215 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
216 |
Dwarf_Word i = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
217 |
int res = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
218 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
219 |
if (frame_ptr == 0) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
220 |
return DW_DLV_NO_ENTRY; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
221 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
222 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
223 |
/* We create the fde and cie arrays. Processing each CIE as we come |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
224 |
to it or as an FDE refers to it. We cannot process 'late' CIEs |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
225 |
late as GNU .eh_frame complexities mean we need the whole CIE |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
226 |
before we can process the FDE correctly. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
227 |
while (frame_ptr < frame_ptr_end) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
228 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
229 |
struct cie_fde_prefix_s prefix; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
230 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
231 |
/* First read in the 'common prefix' to figure out what we are |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
232 |
to do with this entry. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
233 |
memset(&prefix, 0, sizeof(prefix)); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
234 |
res = dwarf_read_cie_fde_prefix(dbg, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
235 |
frame_ptr, section_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
236 |
section_index, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
237 |
section_length, &prefix, error); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
238 |
if (res == DW_DLV_ERROR) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
239 |
dealloc_fde_cie_list_internal(head_fde_ptr, head_cie_ptr); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
240 |
return res; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
241 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
242 |
if (res == DW_DLV_NO_ENTRY) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
243 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
244 |
frame_ptr = prefix.cf_addr_after_prefix; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
245 |
if (frame_ptr >= frame_ptr_end) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
246 |
dealloc_fde_cie_list_internal(head_fde_ptr, head_cie_ptr); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
247 |
_dwarf_error(dbg, error, DW_DLE_DEBUG_FRAME_LENGTH_BAD); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
248 |
return DW_DLV_ERROR; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
249 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
250 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
251 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
252 |
if (prefix.cf_cie_id == cie_id_value) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
253 |
/* This is a CIE. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
254 |
Dwarf_Cie cie_ptr_to_use = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
255 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
256 |
int res = dwarf_find_existing_cie_ptr(prefix.cf_start_addr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
257 |
cur_cie_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
258 |
&cie_ptr_to_use, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
259 |
head_cie_ptr); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
260 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
261 |
if (res == DW_DLV_OK) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
262 |
cur_cie_ptr = cie_ptr_to_use; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
263 |
/* Ok. Seen already. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
264 |
} else if (res == DW_DLV_NO_ENTRY) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
265 |
/* CIE before its FDE in this case. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
266 |
res = dwarf_create_cie_from_after_start(dbg, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
267 |
&prefix, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
268 |
section_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
269 |
frame_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
270 |
cie_count, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
271 |
use_gnu_cie_calc, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
272 |
&cie_ptr_to_use, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
273 |
error); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
274 |
/* ASSERT: res==DW_DLV_NO_ENTRY impossible. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
275 |
if (res == DW_DLV_ERROR) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
276 |
dealloc_fde_cie_list_internal(head_fde_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
277 |
head_cie_ptr); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
278 |
return res; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
279 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
280 |
/* ASSERT res != DW_DLV_NO_ENTRY */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
281 |
cie_count++; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
282 |
chain_up_cie(cie_ptr_to_use, &head_cie_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
283 |
&tail_cie_ptr); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
284 |
cur_cie_ptr = tail_cie_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
285 |
} else { /* res == DW_DLV_ERROR */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
286 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
287 |
dealloc_fde_cie_list_internal(head_fde_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
288 |
head_cie_ptr); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
289 |
return res; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
290 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
291 |
frame_ptr = cie_ptr_to_use->ci_cie_start + |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
292 |
cie_ptr_to_use->ci_length + |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
293 |
cie_ptr_to_use->ci_length_size + |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
294 |
cie_ptr_to_use->ci_extension_size; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
295 |
continue; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
296 |
} else { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
297 |
/* this is an FDE, Frame Description Entry, see the Dwarf |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
298 |
Spec, section 6.4.1 */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
299 |
int res = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
300 |
Dwarf_Cie cie_ptr_to_use = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
301 |
Dwarf_Fde fde_ptr_to_use = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
302 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
303 |
/* Do not call this twice on one prefix, as |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
304 |
prefix.cf_cie_id_addr is altered as a side effect. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
305 |
Dwarf_Small *cieptr_val = |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
306 |
get_cieptr_given_offset(prefix.cf_cie_id, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
307 |
use_gnu_cie_calc, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
308 |
section_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
309 |
prefix.cf_cie_id_addr); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
310 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
311 |
res = dwarf_find_existing_cie_ptr(cieptr_val, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
312 |
cur_cie_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
313 |
&cie_ptr_to_use, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
314 |
head_cie_ptr); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
315 |
if (res == DW_DLV_OK) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
316 |
cur_cie_ptr = cie_ptr_to_use; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
317 |
/* Ok. Seen CIE already. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
318 |
} else if (res == DW_DLV_NO_ENTRY) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
319 |
res = dwarf_create_cie_from_start(dbg, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
320 |
cieptr_val, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
321 |
section_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
322 |
section_index, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
323 |
section_length, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
324 |
frame_ptr_end, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
325 |
cie_id_value, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
326 |
cie_count, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
327 |
use_gnu_cie_calc, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
328 |
&cie_ptr_to_use, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
329 |
error); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
330 |
if (res == DW_DLV_ERROR) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
331 |
dealloc_fde_cie_list_internal(head_fde_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
332 |
head_cie_ptr); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
333 |
return res; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
334 |
} else if (res == DW_DLV_NO_ENTRY) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
335 |
return res; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
336 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
337 |
++cie_count; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
338 |
chain_up_cie(cie_ptr_to_use, &head_cie_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
339 |
&tail_cie_ptr); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
340 |
cur_cie_ptr = tail_cie_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
341 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
342 |
} else { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
343 |
/* DW_DLV_ERROR */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
344 |
return res; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
345 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
346 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
347 |
res = dwarf_create_fde_from_after_start(dbg, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
348 |
&prefix, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
349 |
section_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
350 |
frame_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
351 |
use_gnu_cie_calc, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
352 |
cie_ptr_to_use, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
353 |
&fde_ptr_to_use, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
354 |
error); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
355 |
if (res == DW_DLV_ERROR) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
356 |
return res; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
357 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
358 |
chain_up_fde(fde_ptr_to_use, &head_fde_ptr, &cur_fde_ptr); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
359 |
fde_count++; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
360 |
/* ASSERT: DW_DLV_OK. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
361 |
frame_ptr = fde_ptr_to_use->fd_fde_start + |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
362 |
fde_ptr_to_use->fd_length + |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
363 |
fde_ptr_to_use->fd_length_size + |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
364 |
fde_ptr_to_use->fd_extension_size; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
365 |
continue; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
366 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
367 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
368 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
369 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
370 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
371 |
/* Now build list of CIEs from the list. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
372 |
if (cie_count > 0) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
373 |
cie_list_ptr = (Dwarf_Cie *) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
374 |
_dwarf_get_alloc(dbg, DW_DLA_LIST, cie_count); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
375 |
} else { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
376 |
dealloc_fde_cie_list_internal(head_fde_ptr, head_cie_ptr); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
377 |
return (DW_DLV_NO_ENTRY); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
378 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
379 |
if (cie_list_ptr == NULL) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
380 |
dealloc_fde_cie_list_internal(head_fde_ptr, head_cie_ptr); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
381 |
_dwarf_error(dbg, error, DW_DLE_ALLOC_FAIL); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
382 |
return (DW_DLV_ERROR); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
383 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
384 |
cur_cie_ptr = head_cie_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
385 |
for (i = 0; i < cie_count; i++) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
386 |
*(cie_list_ptr + i) = cur_cie_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
387 |
cur_cie_ptr = cur_cie_ptr->ci_next; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
388 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
389 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
390 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
391 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
392 |
/* Now build array of FDEs from the list. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
393 |
if (fde_count > 0) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
394 |
fde_list_ptr = (Dwarf_Fde *) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
395 |
_dwarf_get_alloc(dbg, DW_DLA_LIST, fde_count); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
396 |
} else { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
397 |
dwarf_fde_cie_list_dealloc(dbg, cie_list_ptr, cie_count, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
398 |
/* fde_data */ 0, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
399 |
/* fde_element_count */ 0); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
400 |
dealloc_fde_cie_list_internal(head_fde_ptr, /* head cie_ptr |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
401 |
*/ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
402 |
0); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
403 |
return (DW_DLV_NO_ENTRY); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
404 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
405 |
if (fde_list_ptr == NULL) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
406 |
dwarf_fde_cie_list_dealloc(dbg, cie_list_ptr, cie_count, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
407 |
/* fde_data */ 0, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
408 |
/* fde_element_count */ 0); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
409 |
dealloc_fde_cie_list_internal(head_fde_ptr, /* head cie_ptr |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
410 |
*/ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
411 |
0); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
412 |
_dwarf_error(dbg, error, DW_DLE_ALLOC_FAIL); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
413 |
return (DW_DLV_ERROR); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
414 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
415 |
cur_fde_ptr = head_fde_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
416 |
for (i = 0; i < fde_count; i++) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
417 |
*(fde_list_ptr + i) = cur_fde_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
418 |
cur_fde_ptr = cur_fde_ptr->fd_next; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
419 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
420 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
421 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
422 |
/* Return arguments. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
423 |
*cie_data = cie_list_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
424 |
*cie_element_count = cie_count; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
425 |
dbg->de_cie_data = cie_list_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
426 |
dbg->de_cie_count = cie_count; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
427 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
428 |
*fde_data = fde_list_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
429 |
*fde_element_count = fde_count; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
430 |
dbg->de_fde_data = fde_list_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
431 |
dbg->de_fde_count = fde_count; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
432 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
433 |
/* Sort the list by the address so that dwarf_get_fde_at_pc() can |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
434 |
binary search this list. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
435 |
qsort((void *) fde_list_ptr, fde_count, sizeof(Dwarf_Ptr), |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
436 |
qsort_compare); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
437 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
438 |
return (DW_DLV_OK); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
439 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
440 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
441 |
/* Internal function, not called by consumer code. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
442 |
'prefix' has accumulated the info up thru the cie-id |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
443 |
and now we consume the rest and build a Dwarf_Cie_s structure. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
444 |
*/ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
445 |
int |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
446 |
dwarf_create_cie_from_after_start(Dwarf_Debug dbg, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
447 |
struct cie_fde_prefix_s *prefix, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
448 |
Dwarf_Small * section_pointer, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
449 |
Dwarf_Small * frame_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
450 |
Dwarf_Unsigned cie_count, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
451 |
int use_gnu_cie_calc, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
452 |
Dwarf_Cie * cie_ptr_out, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
453 |
Dwarf_Error * error) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
454 |
{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
455 |
Dwarf_Cie new_cie = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
456 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
457 |
/* egcs-1.1.2 .eh_frame uses 0 as the distinguishing id. sgi uses |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
458 |
-1 (in .debug_frame). .eh_frame not quite identical to |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
459 |
.debug_frame */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
460 |
Dwarf_Small eh_fde_encoding = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
461 |
Dwarf_Small *augmentation = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
462 |
Dwarf_Sword data_alignment_factor = -1; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
463 |
Dwarf_Word code_alignment_factor = 4; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
464 |
Dwarf_Unsigned return_address_register = 31; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
465 |
int local_length_size = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
466 |
Dwarf_Word leb128_length = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
467 |
Dwarf_Unsigned cie_aug_data_len = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
468 |
Dwarf_Small *cie_aug_data = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
469 |
Dwarf_Addr gnu_personality_handler_addr = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
470 |
unsigned char gnu_personality_handler_encoding = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
471 |
unsigned char gnu_lsda_encoding = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
472 |
unsigned char gnu_fde_begin_encoding = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
473 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
474 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
475 |
enum Dwarf_augmentation_type augt = aug_unknown; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
476 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
477 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
478 |
/* this is a CIE, Common Information Entry: See the dwarf spec, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
479 |
section 6.4.1 */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
480 |
Dwarf_Small version = *(Dwarf_Small *) frame_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
481 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
482 |
frame_ptr++; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
483 |
if (version != DW_CIE_VERSION && version != DW_CIE_VERSION3) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
484 |
_dwarf_error(dbg, error, DW_DLE_FRAME_VERSION_BAD); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
485 |
return (DW_DLV_ERROR); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
486 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
487 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
488 |
augmentation = frame_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
489 |
frame_ptr = frame_ptr + strlen((char *) frame_ptr) + 1; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
490 |
augt = _dwarf_get_augmentation_type(dbg, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
491 |
augmentation, use_gnu_cie_calc); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
492 |
if (augt == aug_eh) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
493 |
/* REFERENCED *//* Not used in this instance */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
494 |
Dwarf_Unsigned exception_table_addr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
495 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
496 |
/* this is per egcs-1.1.2 as on RH 6.0 */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
497 |
READ_UNALIGNED(dbg, exception_table_addr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
498 |
Dwarf_Unsigned, frame_ptr, local_length_size); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
499 |
frame_ptr += local_length_size; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
500 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
501 |
{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
502 |
Dwarf_Unsigned lreg = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
503 |
unsigned long size = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
504 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
505 |
DECODE_LEB128_UWORD(frame_ptr, lreg); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
506 |
code_alignment_factor = (Dwarf_Word) lreg; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
507 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
508 |
data_alignment_factor = |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
509 |
(Dwarf_Sword) _dwarf_decode_s_leb128(frame_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
510 |
&leb128_length); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
511 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
512 |
frame_ptr = frame_ptr + leb128_length; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
513 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
514 |
return_address_register = |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
515 |
_dwarf_get_return_address_reg(frame_ptr, version, &size); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
516 |
if (return_address_register > DW_FRAME_LAST_REG_NUM) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
517 |
_dwarf_error(dbg, error, DW_DLE_CIE_RET_ADDR_REG_ERROR); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
518 |
return (DW_DLV_ERROR); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
519 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
520 |
frame_ptr += size; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
521 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
522 |
switch (augt) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
523 |
case aug_empty_string: |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
524 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
525 |
case aug_irix_mti_v1: |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
526 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
527 |
case aug_irix_exception_table:{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
528 |
Dwarf_Unsigned lreg = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
529 |
Dwarf_Word length_of_augmented_fields; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
530 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
531 |
/* Decode the length of augmented fields. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
532 |
DECODE_LEB128_UWORD(frame_ptr, lreg); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
533 |
length_of_augmented_fields = (Dwarf_Word) lreg; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
534 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
535 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
536 |
/* set the frame_ptr to point at the instruction start. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
537 |
frame_ptr += length_of_augmented_fields; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
538 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
539 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
540 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
541 |
case aug_eh:{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
542 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
543 |
int err = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
544 |
unsigned long increment = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
545 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
546 |
if (!use_gnu_cie_calc) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
547 |
/* This should be impossible. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
548 |
_dwarf_error(dbg, error, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
549 |
DW_DLE_FRAME_AUGMENTATION_UNKNOWN); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
550 |
return DW_DLV_ERROR; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
551 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
552 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
553 |
err = get_gcc_eh_augmentation(dbg, frame_ptr, &increment, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
554 |
augt, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
555 |
prefix->cf_section_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
556 |
&eh_fde_encoding, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
557 |
(char *) augmentation); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
558 |
if (err == DW_DLV_ERROR) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
559 |
_dwarf_error(dbg, error, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
560 |
DW_DLE_FRAME_AUGMENTATION_UNKNOWN); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
561 |
return DW_DLV_ERROR; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
562 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
563 |
frame_ptr += increment; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
564 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
565 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
566 |
case aug_gcc_eh_z:{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
567 |
/* Here we have Augmentation Data Length (uleb128) followed |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
568 |
by Augmentation Data bytes. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
569 |
int res; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
570 |
Dwarf_Unsigned adlen = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
571 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
572 |
DECODE_LEB128_UWORD(frame_ptr, adlen); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
573 |
cie_aug_data_len = adlen; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
574 |
cie_aug_data = frame_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
575 |
res = gnu_aug_encodings(dbg, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
576 |
(char *) augmentation, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
577 |
cie_aug_data, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
578 |
cie_aug_data_len, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
579 |
&gnu_personality_handler_encoding, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
580 |
&gnu_lsda_encoding, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
581 |
&gnu_fde_begin_encoding, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
582 |
&gnu_personality_handler_addr); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
583 |
if (res != DW_DLV_OK) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
584 |
_dwarf_error(dbg, error, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
585 |
DW_DLE_FRAME_AUGMENTATION_UNKNOWN); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
586 |
return res; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
587 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
588 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
589 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
590 |
frame_ptr += adlen; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
591 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
592 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
593 |
default:{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
594 |
/* We do not understand the augmentation string. No |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
595 |
assumption can be made about any fields other than what |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
596 |
we have already read. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
597 |
frame_ptr = prefix->cf_start_addr + |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
598 |
prefix->cf_length + prefix->cf_local_length_size |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
599 |
+ prefix->cf_local_extension_size; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
600 |
/* FIX -- What are the values of data_alignment_factor, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
601 |
code_alignement_factor, return_address_register and |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
602 |
instruction start? They were clearly uninitalized in the |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
603 |
previous version and I am leaving them the same way. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
604 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
605 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
606 |
} /* End switch on augmentation type. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
607 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
608 |
new_cie = (Dwarf_Cie) _dwarf_get_alloc(dbg, DW_DLA_CIE, 1); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
609 |
if (new_cie == NULL) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
610 |
_dwarf_error(dbg, error, DW_DLE_ALLOC_FAIL); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
611 |
return (DW_DLV_ERROR); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
612 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
613 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
614 |
new_cie->ci_cie_version_number = version; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
615 |
new_cie->ci_initial_table = NULL; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
616 |
new_cie->ci_length = (Dwarf_Word) prefix->cf_length; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
617 |
new_cie->ci_length_size = prefix->cf_local_length_size; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
618 |
new_cie->ci_extension_size = prefix->cf_local_extension_size; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
619 |
new_cie->ci_augmentation = (char *) augmentation; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
620 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
621 |
new_cie->ci_data_alignment_factor = |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
622 |
(Dwarf_Sbyte) data_alignment_factor; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
623 |
new_cie->ci_code_alignment_factor = |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
624 |
(Dwarf_Small) code_alignment_factor; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
625 |
new_cie->ci_return_address_register = return_address_register; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
626 |
new_cie->ci_cie_start = prefix->cf_start_addr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
627 |
new_cie->ci_cie_instr_start = frame_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
628 |
new_cie->ci_dbg = dbg; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
629 |
new_cie->ci_augmentation_type = augt; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
630 |
new_cie->ci_gnu_eh_augmentation_len = cie_aug_data_len; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
631 |
new_cie->ci_gnu_eh_augmentation_bytes = cie_aug_data; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
632 |
new_cie->ci_gnu_personality_handler_encoding = |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
633 |
gnu_personality_handler_encoding; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
634 |
new_cie->ci_gnu_personality_handler_addr = |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
635 |
gnu_personality_handler_addr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
636 |
new_cie->ci_gnu_lsda_encoding = gnu_lsda_encoding; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
637 |
new_cie->ci_gnu_fde_begin_encoding = gnu_fde_begin_encoding; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
638 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
639 |
new_cie->ci_index = cie_count; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
640 |
new_cie->ci_section_ptr = prefix->cf_section_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
641 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
642 |
*cie_ptr_out = new_cie; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
643 |
return DW_DLV_OK; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
644 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
645 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
646 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
647 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
648 |
/* Internal function, not called by consumer code. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
649 |
'prefix' has accumulated the info up thru the cie-id |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
650 |
and now we consume the rest and build a Dwarf_Fde_s structure. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
651 |
*/ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
652 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
653 |
int |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
654 |
dwarf_create_fde_from_after_start(Dwarf_Debug dbg, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
655 |
struct cie_fde_prefix_s *prefix, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
656 |
Dwarf_Small * section_pointer, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
657 |
Dwarf_Small * frame_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
658 |
int use_gnu_cie_calc, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
659 |
Dwarf_Cie cie_ptr_in, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
660 |
Dwarf_Fde * fde_ptr_out, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
661 |
Dwarf_Error * error) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
662 |
{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
663 |
Dwarf_Fde new_fde = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
664 |
Dwarf_Cie cieptr = cie_ptr_in; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
665 |
Dwarf_Small *saved_frame_ptr = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
666 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
667 |
Dwarf_Small *initloc = frame_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
668 |
Dwarf_Signed offset_into_exception_tables |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
669 |
/* must be min dwarf_sfixed in size */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
670 |
= (Dwarf_Signed) DW_DLX_NO_EH_OFFSET; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
671 |
Dwarf_Small *fde_aug_data = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
672 |
Dwarf_Unsigned fde_aug_data_len = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
673 |
Dwarf_Addr cie_base_offset = prefix->cf_cie_id; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
674 |
Dwarf_Addr initial_location = 0; /* must be min de_pointer_size |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
675 |
bytes in size */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
676 |
Dwarf_Addr address_range = 0; /* must be min de_pointer_size |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
677 |
bytes in size */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
678 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
679 |
enum Dwarf_augmentation_type augt = cieptr->ci_augmentation_type; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
680 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
681 |
if (augt == aug_gcc_eh_z) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
682 |
/* If z augmentation this is eh_frame, and initial_location and |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
683 |
address_range in the FDE are read according to the CIE |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
684 |
augmentation string instructions. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
685 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
686 |
{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
687 |
Dwarf_Small *fp_updated = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
688 |
int res = res = read_encoded_ptr(dbg, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
689 |
section_pointer, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
690 |
frame_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
691 |
cieptr-> |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
692 |
ci_gnu_fde_begin_encoding, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
693 |
&initial_location, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
694 |
&fp_updated); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
695 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
696 |
if (res != DW_DLV_OK) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
697 |
_dwarf_error(dbg, error, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
698 |
DW_DLE_FRAME_AUGMENTATION_UNKNOWN); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
699 |
return DW_DLV_ERROR; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
700 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
701 |
frame_ptr = fp_updated; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
702 |
/* For the address-range it makes no sense to be |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
703 |
pc-relative, so we turn it off with a section_pointer of |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
704 |
NULL. Masking off DW_EH_PE_pcrel from the |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
705 |
ci_gnu_fde_begin_encoding in this call would also work |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
706 |
to turn off DW_EH_PE_pcrel. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
707 |
res = read_encoded_ptr(dbg, (Dwarf_Small *) NULL, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
708 |
frame_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
709 |
cieptr->ci_gnu_fde_begin_encoding, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
710 |
&address_range, &fp_updated); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
711 |
if (res != DW_DLV_OK) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
712 |
_dwarf_error(dbg, error, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
713 |
DW_DLE_FRAME_AUGMENTATION_UNKNOWN); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
714 |
return DW_DLV_ERROR; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
715 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
716 |
frame_ptr = fp_updated; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
717 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
718 |
{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
719 |
Dwarf_Unsigned adlen = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
720 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
721 |
DECODE_LEB128_UWORD(frame_ptr, adlen); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
722 |
fde_aug_data_len = adlen; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
723 |
fde_aug_data = frame_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
724 |
frame_ptr += adlen; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
725 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
726 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
727 |
} else { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
728 |
READ_UNALIGNED(dbg, initial_location, Dwarf_Addr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
729 |
frame_ptr, dbg->de_pointer_size); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
730 |
frame_ptr += dbg->de_pointer_size; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
731 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
732 |
READ_UNALIGNED(dbg, address_range, Dwarf_Addr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
733 |
frame_ptr, dbg->de_pointer_size); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
734 |
frame_ptr += dbg->de_pointer_size; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
735 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
736 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
737 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
738 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
739 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
740 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
741 |
switch (augt) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
742 |
case aug_irix_mti_v1: |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
743 |
case aug_empty_string: |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
744 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
745 |
case aug_irix_exception_table:{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
746 |
Dwarf_Unsigned lreg = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
747 |
Dwarf_Word length_of_augmented_fields = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
748 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
749 |
DECODE_LEB128_UWORD(frame_ptr, lreg); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
750 |
length_of_augmented_fields = (Dwarf_Word) lreg; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
751 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
752 |
saved_frame_ptr = frame_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
753 |
/* The first word is an offset into exception tables. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
754 |
Defined as a 32bit offset even for CC -64. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
755 |
READ_UNALIGNED(dbg, offset_into_exception_tables, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
756 |
Dwarf_Addr, frame_ptr, sizeof(Dwarf_sfixed)); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
757 |
SIGN_EXTEND(offset_into_exception_tables, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
758 |
sizeof(Dwarf_sfixed)); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
759 |
frame_ptr = saved_frame_ptr + length_of_augmented_fields; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
760 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
761 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
762 |
case aug_eh:{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
763 |
Dwarf_Unsigned eh_table_value = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
764 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
765 |
if (!use_gnu_cie_calc) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
766 |
/* This should be impossible. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
767 |
_dwarf_error(dbg, error, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
768 |
DW_DLE_FRAME_AUGMENTATION_UNKNOWN); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
769 |
return DW_DLV_ERROR; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
770 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
771 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
772 |
/* gnu eh fde case. we do not need to do anything */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
773 |
/*REFERENCED*/ /* Not used in this instance of the |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
774 |
macro */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
775 |
READ_UNALIGNED(dbg, eh_table_value, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
776 |
Dwarf_Unsigned, frame_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
777 |
dbg->de_pointer_size); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
778 |
frame_ptr += dbg->de_pointer_size; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
779 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
780 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
781 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
782 |
case aug_gcc_eh_z:{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
783 |
/* The Augmentation Data Length is here, followed by the |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
784 |
Augmentation Data bytes themselves. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
785 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
786 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
787 |
case aug_past_last: |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
788 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
789 |
case aug_unknown: |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
790 |
_dwarf_error(dbg, error, DW_DLE_FRAME_AUGMENTATION_UNKNOWN); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
791 |
return DW_DLV_ERROR; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
792 |
} /* End switch on augmentation type */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
793 |
new_fde = (Dwarf_Fde) _dwarf_get_alloc(dbg, DW_DLA_FDE, 1); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
794 |
if (new_fde == NULL) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
795 |
_dwarf_error(dbg, error, DW_DLE_ALLOC_FAIL); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
796 |
return (DW_DLV_ERROR); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
797 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
798 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
799 |
new_fde->fd_length = prefix->cf_length; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
800 |
new_fde->fd_length_size = prefix->cf_local_length_size; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
801 |
new_fde->fd_extension_size = prefix->cf_local_extension_size; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
802 |
new_fde->fd_cie_offset = cie_base_offset; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
803 |
new_fde->fd_cie_index = cieptr->ci_index; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
804 |
new_fde->fd_cie = cieptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
805 |
new_fde->fd_initial_location = initial_location; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
806 |
new_fde->fd_initial_loc_pos = initloc; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
807 |
new_fde->fd_address_range = address_range; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
808 |
new_fde->fd_fde_start = prefix->cf_start_addr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
809 |
new_fde->fd_fde_instr_start = frame_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
810 |
new_fde->fd_dbg = dbg; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
811 |
new_fde->fd_offset_into_exception_tables = |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
812 |
offset_into_exception_tables; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
813 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
814 |
new_fde->fd_section_ptr = prefix->cf_section_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
815 |
new_fde->fd_section_index = prefix->cf_section_index; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
816 |
new_fde->fd_section_length = prefix->cf_section_length; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
817 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
818 |
new_fde->fd_gnu_eh_augmentation_bytes = fde_aug_data; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
819 |
new_fde->fd_gnu_eh_augmentation_len = fde_aug_data_len; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
820 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
821 |
*fde_ptr_out = new_fde; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
822 |
return DW_DLV_OK; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
823 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
824 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
825 |
/* called by qsort to compare FDE entries. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
826 |
Consumer code expects the array of FDE pointers to be in address order. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
827 |
*/ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
828 |
static int |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
829 |
qsort_compare(const void *elem1, const void *elem2) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
830 |
{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
831 |
Dwarf_Fde fde1 = *(Dwarf_Fde *) elem1; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
832 |
Dwarf_Fde fde2 = *(Dwarf_Fde *) elem2; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
833 |
Dwarf_Addr addr1 = fde1->fd_initial_location; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
834 |
Dwarf_Addr addr2 = fde2->fd_initial_location; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
835 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
836 |
if (addr1 < addr2) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
837 |
return -1; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
838 |
} else if (addr1 > addr2) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
839 |
return 1; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
840 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
841 |
return 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
842 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
843 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
844 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
845 |
/* Read in the common cie/fde prefix, including reading |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
846 |
* the cie-value which shows which this is: cie or fde. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
847 |
* */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
848 |
int |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
849 |
dwarf_read_cie_fde_prefix(Dwarf_Debug dbg, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
850 |
Dwarf_Small * frame_ptr_in, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
851 |
Dwarf_Small * section_ptr_in, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
852 |
Dwarf_Unsigned section_index_in, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
853 |
Dwarf_Unsigned section_length_in, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
854 |
struct cie_fde_prefix_s *data_out, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
855 |
Dwarf_Error * error) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
856 |
{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
857 |
Dwarf_Unsigned length = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
858 |
int local_length_size = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
859 |
int local_extension_size = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
860 |
Dwarf_Small *frame_ptr = frame_ptr_in; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
861 |
Dwarf_Small *cie_ptr_addr = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
862 |
Dwarf_Unsigned cie_id = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
863 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
864 |
/* READ_AREA_LENGTH updates frame_ptr for consumed bytes */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
865 |
READ_AREA_LENGTH(dbg, length, Dwarf_Unsigned, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
866 |
frame_ptr, local_length_size, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
867 |
local_extension_size); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
868 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
869 |
if (length % local_length_size != 0) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
870 |
_dwarf_error(dbg, error, DW_DLE_DEBUG_FRAME_LENGTH_BAD); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
871 |
return (DW_DLV_ERROR); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
872 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
873 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
874 |
if (length == 0) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
875 |
/* nul bytes at end of section, seen at end of egcs eh_frame |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
876 |
sections (in a.out). Take this as meaning no more CIE/FDE |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
877 |
data. We should be very close to end of section. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
878 |
return DW_DLV_NO_ENTRY; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
879 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
880 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
881 |
cie_ptr_addr = frame_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
882 |
READ_UNALIGNED(dbg, cie_id, Dwarf_Unsigned, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
883 |
frame_ptr, local_length_size); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
884 |
SIGN_EXTEND(cie_id, local_length_size); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
885 |
frame_ptr += local_length_size; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
886 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
887 |
data_out->cf_start_addr = frame_ptr_in; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
888 |
data_out->cf_addr_after_prefix = frame_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
889 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
890 |
data_out->cf_length = length; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
891 |
data_out->cf_local_length_size = local_length_size; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
892 |
data_out->cf_local_extension_size = local_extension_size; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
893 |
data_out->cf_cie_id = cie_id; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
894 |
data_out->cf_cie_id_addr = cie_ptr_addr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
895 |
data_out->cf_section_ptr = section_ptr_in; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
896 |
data_out->cf_section_index = section_index_in; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
897 |
data_out->cf_section_length = section_length_in; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
898 |
return DW_DLV_OK; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
899 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
900 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
901 |
/* On various errors previously-allocated CIEs and FDEs |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
902 |
must be cleaned up. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
903 |
This helps avoid leaks in case of errors. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
904 |
*/ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
905 |
static void |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
906 |
dealloc_fde_cie_list_internal(Dwarf_Fde head_fde_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
907 |
Dwarf_Cie head_cie_ptr) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
908 |
{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
909 |
Dwarf_Fde curfde = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
910 |
Dwarf_Cie curcie = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
911 |
Dwarf_Fde nextfde = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
912 |
Dwarf_Cie nextcie = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
913 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
914 |
for (curfde = head_fde_ptr; curfde; curfde = nextfde) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
915 |
nextfde = curfde->fd_next; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
916 |
dwarf_dealloc(curfde->fd_dbg, curfde, DW_DLA_FDE); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
917 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
918 |
for (curcie = head_cie_ptr; curcie; curcie = nextcie) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
919 |
Dwarf_Frame frame = curcie->ci_initial_table; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
920 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
921 |
nextcie = curcie->ci_next; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
922 |
if (frame) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
923 |
dwarf_dealloc(curcie->ci_dbg, frame, DW_DLA_FRAME); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
924 |
dwarf_dealloc(curcie->ci_dbg, curcie, DW_DLA_CIE); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
925 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
926 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
927 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
928 |
/* Find the cie whose id value is given: the id |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
929 |
* value is, per DWARF2/3, an offset in the section. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
930 |
* For .debug_frame, zero is a legal offset. For |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
931 |
* GNU .eh_frame it is not a legal offset. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
932 |
* 'cie_ptr' is a pointer into our section, not an offset. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
933 |
static int |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
934 |
dwarf_find_existing_cie_ptr(Dwarf_Small * cie_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
935 |
Dwarf_Cie cur_cie_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
936 |
Dwarf_Cie * cie_ptr_to_use_out, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
937 |
Dwarf_Cie head_cie_ptr) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
938 |
{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
939 |
Dwarf_Cie next = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
940 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
941 |
if (cur_cie_ptr && cie_ptr == cur_cie_ptr->ci_cie_start) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
942 |
/* Usually, we use the same cie again and again. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
943 |
*cie_ptr_to_use_out = cur_cie_ptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
944 |
return DW_DLV_OK; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
945 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
946 |
for (next = head_cie_ptr; next; next = next->ci_next) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
947 |
if (cie_ptr == next->ci_cie_start) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
948 |
*cie_ptr_to_use_out = next; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
949 |
return DW_DLV_OK; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
950 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
951 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
952 |
return DW_DLV_NO_ENTRY; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
953 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
954 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
955 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
956 |
/* We have a valid cie_ptr_val that has not been |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
957 |
* turned into an internal Cie yet. Do so now. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
958 |
* Returns DW_DLV_OK or DW_DLV_ERROR, never |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
959 |
* DW_DLV_NO_ENTRY. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
960 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
961 |
'section_ptr' - Points to first byte of section data. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
962 |
'section_length' - Length of the section, in bytes. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
963 |
'frame_ptr_end' - Points 1-past last byte of section data. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
964 |
* */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
965 |
static int |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
966 |
dwarf_create_cie_from_start(Dwarf_Debug dbg, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
967 |
Dwarf_Small * cie_ptr_val, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
968 |
Dwarf_Small * section_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
969 |
Dwarf_Unsigned section_index, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
970 |
Dwarf_Unsigned section_length, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
971 |
Dwarf_Small * frame_ptr_end, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
972 |
Dwarf_Unsigned cie_id_value, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
973 |
Dwarf_Unsigned cie_count, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
974 |
int use_gnu_cie_calc, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
975 |
Dwarf_Cie * cie_ptr_to_use_out, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
976 |
Dwarf_Error * error) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
977 |
{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
978 |
struct cie_fde_prefix_s prefix; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
979 |
int res = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
980 |
Dwarf_Small *frame_ptr = cie_ptr_val; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
981 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
982 |
if (frame_ptr < section_ptr || frame_ptr > frame_ptr_end) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
983 |
_dwarf_error(dbg, error, DW_DLE_DEBUG_FRAME_LENGTH_BAD); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
984 |
return DW_DLV_ERROR; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
985 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
986 |
/* First read in the 'common prefix' to figure out what * we are to |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
987 |
do with this entry. IF it's not a cie * we are in big trouble. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
988 |
memset(&prefix, 0, sizeof(prefix)); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
989 |
res = dwarf_read_cie_fde_prefix(dbg, frame_ptr, section_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
990 |
section_index, section_length, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
991 |
&prefix, error); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
992 |
if (res == DW_DLV_ERROR) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
993 |
return res; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
994 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
995 |
if (res == DW_DLV_NO_ENTRY) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
996 |
/* error. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
997 |
_dwarf_error(dbg, error, DW_DLE_FRAME_CIE_DECODE_ERROR); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
998 |
return DW_DLV_ERROR; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
999 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1000 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1001 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1002 |
if (prefix.cf_cie_id != cie_id_value) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1003 |
_dwarf_error(dbg, error, DW_DLE_FRAME_CIE_DECODE_ERROR); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1004 |
return DW_DLV_ERROR; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1005 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1006 |
frame_ptr = prefix.cf_addr_after_prefix; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1007 |
res = dwarf_create_cie_from_after_start(dbg, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1008 |
&prefix, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1009 |
section_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1010 |
frame_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1011 |
cie_count, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1012 |
use_gnu_cie_calc, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1013 |
cie_ptr_to_use_out, error); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1014 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1015 |
return res; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1016 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1017 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1018 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1019 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1020 |
/* This is for gnu eh frames, the 'z' case. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1021 |
We find the letter involved |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1022 |
Return the augmentation character and, if applicable, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1023 |
the personality routine address. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1024 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1025 |
personality_routine_out - |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1026 |
if 'P' is augchar, is personality handler addr. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1027 |
Otherwise is not set. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1028 |
aug_data - if 'P' points to data space of the |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1029 |
aug_data_len - length of areas aug_data points to. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1030 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1031 |
*/ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1032 |
#if 0 |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1033 |
/* For debugging only. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1034 |
void |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1035 |
dump_bytes(Dwarf_Small * start, long len) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1036 |
{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1037 |
Dwarf_Small *end = start + len; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1038 |
Dwarf_Small *cur = start; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1039 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1040 |
for (; cur < end; cur++) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1041 |
printf(" byte %d, data %02x\n", (int) (cur - start), *cur); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1042 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1043 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1044 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1045 |
#endif |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1046 |
static int |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1047 |
gnu_aug_encodings(Dwarf_Debug dbg, char *augmentation, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1048 |
Dwarf_Small * aug_data, Dwarf_Unsigned aug_data_len, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1049 |
unsigned char *pers_hand_enc_out, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1050 |
unsigned char *lsda_enc_out, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1051 |
unsigned char *fde_begin_enc_out, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1052 |
Dwarf_Addr * gnu_pers_addr_out) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1053 |
{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1054 |
char *nc = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1055 |
Dwarf_Small *cur_aug_p = aug_data; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1056 |
Dwarf_Small *end_aug_p = aug_data + aug_data_len; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1057 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1058 |
for (nc = augmentation; *nc; ++nc) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1059 |
char c = *nc; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1060 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1061 |
switch (c) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1062 |
case 'z': |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1063 |
/* Means that the augmentation data is present. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1064 |
continue; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1065 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1066 |
case 'S': |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1067 |
/* Indicates this is a signal stack frame. Debuggers have to do |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1068 |
special handling. We don't need to do more than print this flag at |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1069 |
the right time, though (see dwarfdump where it prints the augmentation |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1070 |
string). |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1071 |
A signal stack frame (in some OS's) can only be |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1072 |
unwound (backtraced) by knowing it is a signal stack frame |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1073 |
(perhaps by noticing the name of the function for the stack frame |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1074 |
if the name can be found somehow) and figuring |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1075 |
out (or knowing) how the kernel and libc pushed a structure |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1076 |
onto the stack and loading registers from that structure. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1077 |
Totally different from normal stack unwinding. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1078 |
This flag gives an unwinder a big leg up by decoupling the |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1079 |
'hint: this is a stack frame' from knowledge like |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1080 |
the function name (the name might be unavailable at unwind time). |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1081 |
*/ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1082 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1083 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1084 |
case 'L': |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1085 |
if (cur_aug_p > end_aug_p) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1086 |
return DW_DLV_ERROR; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1087 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1088 |
*lsda_enc_out = *(unsigned char *) cur_aug_p; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1089 |
++cur_aug_p; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1090 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1091 |
case 'R': |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1092 |
/* Followed by a one byte argument giving the |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1093 |
pointer encoding for the address pointers in the fde. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1094 |
if (cur_aug_p >= end_aug_p) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1095 |
return DW_DLV_ERROR; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1096 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1097 |
*fde_begin_enc_out = *(unsigned char *) cur_aug_p; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1098 |
++cur_aug_p; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1099 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1100 |
case 'P':{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1101 |
int res = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1102 |
Dwarf_Small *updated_aug_p = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1103 |
unsigned char encoding = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1104 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1105 |
if (cur_aug_p >= end_aug_p) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1106 |
return DW_DLV_ERROR; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1107 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1108 |
encoding = *(unsigned char *) cur_aug_p; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1109 |
*pers_hand_enc_out = encoding; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1110 |
++cur_aug_p; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1111 |
if (cur_aug_p > end_aug_p) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1112 |
return DW_DLV_ERROR; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1113 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1114 |
/* DW_EH_PE_pcrel makes no sense here, so we turn it |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1115 |
off via a section pointer of NULL. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1116 |
res = read_encoded_ptr(dbg, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1117 |
(Dwarf_Small *) NULL, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1118 |
cur_aug_p, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1119 |
encoding, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1120 |
gnu_pers_addr_out, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1121 |
&updated_aug_p); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1122 |
if (res != DW_DLV_OK) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1123 |
return res; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1124 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1125 |
cur_aug_p = updated_aug_p; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1126 |
if (cur_aug_p > end_aug_p) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1127 |
return DW_DLV_ERROR; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1128 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1129 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1130 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1131 |
default: |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1132 |
return DW_DLV_ERROR; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1133 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1134 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1135 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1136 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1137 |
return DW_DLV_OK; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1138 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1139 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1140 |
/* Given augmentation character (the encoding) giving the |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1141 |
address format, read the address from input_field |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1142 |
and return an incremented value 1 past the input bytes of the |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1143 |
address. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1144 |
Push the address read back thru the *addr pointer. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1145 |
See LSB (Linux Standar Base) exception handling documents. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1146 |
*/ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1147 |
static int |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1148 |
read_encoded_ptr(Dwarf_Debug dbg, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1149 |
Dwarf_Small * section_pointer, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1150 |
Dwarf_Small * input_field, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1151 |
int gnu_encoding, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1152 |
Dwarf_Unsigned * addr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1153 |
Dwarf_Small ** input_field_updated) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1154 |
{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1155 |
Dwarf_Word length = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1156 |
int value_type = gnu_encoding & 0xf; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1157 |
Dwarf_Small *input_field_original = input_field; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1158 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1159 |
if (gnu_encoding == 0xff) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1160 |
/* There is no data here. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1161 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1162 |
*addr = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1163 |
*input_field_updated = input_field; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1164 |
/* Should we return DW_DLV_NO_ENTRY? */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1165 |
return DW_DLV_OK; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1166 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1167 |
switch (value_type) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1168 |
case DW_EH_PE_absptr:{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1169 |
/* value_type is zero. Treat as pointer size of the object. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1170 |
*/ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1171 |
Dwarf_Unsigned ret_value = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1172 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1173 |
READ_UNALIGNED(dbg, ret_value, Dwarf_Unsigned, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1174 |
input_field, dbg->de_pointer_size); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1175 |
*addr = ret_value; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1176 |
*input_field_updated = input_field + dbg->de_pointer_size; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1177 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1178 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1179 |
case DW_EH_PE_uleb128:{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1180 |
Dwarf_Unsigned val = _dwarf_decode_u_leb128(input_field, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1181 |
&length); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1182 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1183 |
*addr = val; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1184 |
*input_field_updated = input_field + length; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1185 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1186 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1187 |
case DW_EH_PE_udata2:{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1188 |
Dwarf_Unsigned ret_value = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1189 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1190 |
READ_UNALIGNED(dbg, ret_value, Dwarf_Unsigned, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1191 |
input_field, 2); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1192 |
*addr = ret_value; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1193 |
*input_field_updated = input_field + 2; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1194 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1195 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1196 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1197 |
case DW_EH_PE_udata4:{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1198 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1199 |
Dwarf_Unsigned ret_value = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1200 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1201 |
/* ASSERT: sizeof(Dwarf_ufixed) == 4 */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1202 |
READ_UNALIGNED(dbg, ret_value, Dwarf_Unsigned, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1203 |
input_field, sizeof(Dwarf_ufixed)); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1204 |
*addr = ret_value; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1205 |
*input_field_updated = input_field + sizeof(Dwarf_ufixed); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1206 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1207 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1208 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1209 |
case DW_EH_PE_udata8:{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1210 |
Dwarf_Unsigned ret_value = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1211 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1212 |
/* ASSERT: sizeof(Dwarf_Unsigned) == 8 */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1213 |
READ_UNALIGNED(dbg, ret_value, Dwarf_Unsigned, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1214 |
input_field, sizeof(Dwarf_Unsigned)); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1215 |
*addr = ret_value; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1216 |
*input_field_updated = input_field + sizeof(Dwarf_Unsigned); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1217 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1218 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1219 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1220 |
case DW_EH_PE_sleb128:{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1221 |
Dwarf_Signed val = _dwarf_decode_s_leb128(input_field, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1222 |
&length); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1223 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1224 |
*addr = (Dwarf_Unsigned) val; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1225 |
*input_field_updated = input_field + length; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1226 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1227 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1228 |
case DW_EH_PE_sdata2:{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1229 |
Dwarf_Unsigned val = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1230 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1231 |
READ_UNALIGNED(dbg, val, Dwarf_Unsigned, input_field, 2); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1232 |
SIGN_EXTEND(val, 2); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1233 |
*addr = (Dwarf_Unsigned) val; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1234 |
*input_field_updated = input_field + 2; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1235 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1236 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1237 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1238 |
case DW_EH_PE_sdata4:{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1239 |
Dwarf_Unsigned val = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1240 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1241 |
/* ASSERT: sizeof(Dwarf_ufixed) == 4 */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1242 |
READ_UNALIGNED(dbg, val, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1243 |
Dwarf_Unsigned, input_field, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1244 |
sizeof(Dwarf_ufixed)); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1245 |
SIGN_EXTEND(val, sizeof(Dwarf_ufixed)); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1246 |
*addr = (Dwarf_Unsigned) val; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1247 |
*input_field_updated = input_field + sizeof(Dwarf_ufixed); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1248 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1249 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1250 |
case DW_EH_PE_sdata8:{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1251 |
Dwarf_Unsigned val = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1252 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1253 |
/* ASSERT: sizeof(Dwarf_Unsigned) == 8 */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1254 |
READ_UNALIGNED(dbg, val, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1255 |
Dwarf_Unsigned, input_field, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1256 |
sizeof(Dwarf_Unsigned)); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1257 |
*addr = (Dwarf_Unsigned) val; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1258 |
*input_field_updated = input_field + sizeof(Dwarf_Unsigned); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1259 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1260 |
break; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1261 |
default: |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1262 |
return DW_DLV_ERROR; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1263 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1264 |
}; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1265 |
/* The ELF ABI for gnu does not document the meaning of |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1266 |
DW_EH_PE_pcrel, which is awkward. It apparently means the value |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1267 |
we got above is pc-relative (meaning section-relative), so we |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1268 |
adjust the value. Section_pointer may be null if it is known |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1269 |
DW_EH_PE_pcrel cannot apply, such as for .debug_frame or for an |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1270 |
address-range value. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1271 |
if (section_pointer && ((gnu_encoding & 0x70) == DW_EH_PE_pcrel)) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1272 |
/* Address (*addr) above is pc relative with respect to a |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1273 |
section. Add to the offset the base address (from elf) of |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1274 |
section and the distance of the field we are reading from |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1275 |
the section-beginning to get the actual address. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1276 |
/* ASSERT: input_field_original >= section_pointer */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1277 |
Dwarf_Unsigned distance = |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1278 |
input_field_original - section_pointer; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1279 |
*addr += dbg->de_debug_frame_eh_addr + distance; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1280 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1281 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1282 |
return DW_DLV_OK; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1283 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1284 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1285 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1286 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1287 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1288 |
/* |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1289 |
All augmentation string checking done here now. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1290 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1291 |
For .eh_frame, gcc from 3.3 uses the z style, earlier used |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1292 |
only "eh" as augmentation. We don't yet handle |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1293 |
decoding .eh_frame with the z style extensions like L P. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1294 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1295 |
These are nasty heuristics, but then that's life |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1296 |
as augmentations are implementation specific. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1297 |
*/ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1298 |
/* ARGSUSED */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1299 |
enum Dwarf_augmentation_type |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1300 |
_dwarf_get_augmentation_type(Dwarf_Debug dbg, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1301 |
Dwarf_Small * augmentation_string, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1302 |
int is_gcc_eh_frame) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1303 |
{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1304 |
enum Dwarf_augmentation_type t = aug_unknown; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1305 |
char *ag_string = (char *) augmentation_string; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1306 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1307 |
if (ag_string[0] == 0) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1308 |
/* Empty string. We'll just guess that we know what this means: |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1309 |
standard dwarf2/3 with no implementation-defined fields. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1310 |
t = aug_empty_string; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1311 |
} else if (strcmp(ag_string, DW_DEBUG_FRAME_AUGMENTER_STRING) == 0) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1312 |
/* The string is "mti v1". Used internally at SGI, probably |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1313 |
never shipped. Replaced by "z". Treat like 'nothing |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1314 |
special'. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1315 |
t = aug_irix_mti_v1; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1316 |
} else if (ag_string[0] == 'z') { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1317 |
/* If it's IRIX cc, z means aug_irix_exception_table. z1 z2 |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1318 |
were designed as for IRIX CC, but never implemented */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1319 |
/* If it's gcc, z may be any of several things. "z" or z |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1320 |
followed optionally followed by one or more of L R P, each |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1321 |
of which means a value may be present. Should be in eh_frame |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1322 |
only, I think. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1323 |
if (is_gcc_eh_frame) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1324 |
t = aug_gcc_eh_z; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1325 |
} else if (ag_string[1] == 0) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1326 |
/* This is the normal IRIX C++ case, where there is an |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1327 |
offset into a table in each fde. The table being for |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1328 |
IRIX CC exception handling. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1329 |
/* DW_CIE_AUGMENTER_STRING_V0 "z" */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1330 |
t = aug_irix_exception_table; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1331 |
} /* Else unknown. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1332 |
} else if (strncmp(ag_string, "eh", 2) == 0) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1333 |
/* gcc .eh_frame augmentation for egcs and gcc 2.x, at least |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1334 |
for x86. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1335 |
t = aug_eh; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1336 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1337 |
return t; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1338 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1339 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1340 |
/* Using augmentation, and version |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1341 |
read in the augmentation data for GNU eh. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1342 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1343 |
Return DW_DLV_OK if we succeeded, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1344 |
DW_DLV_ERR if we fail. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1345 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1346 |
On success, update 'size_of_augmentation_data' with |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1347 |
the length of the fields that are part of augmentation (so the |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1348 |
caller can increment frame_ptr appropriately). |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1349 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1350 |
'frame_ptr' points within section. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1351 |
'section_pointer' points to section base address in memory. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1352 |
*/ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1353 |
/* ARGSUSED */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1354 |
static int |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1355 |
get_gcc_eh_augmentation(Dwarf_Debug dbg, Dwarf_Small * frame_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1356 |
unsigned long *size_of_augmentation_data, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1357 |
enum Dwarf_augmentation_type augtype, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1358 |
Dwarf_Small * section_pointer, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1359 |
Dwarf_Small * fde_eh_encoding_out, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1360 |
char *augmentation) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1361 |
{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1362 |
char *suffix = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1363 |
unsigned long augdata_size = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1364 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1365 |
if (augtype == aug_gcc_eh_z) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1366 |
/* Has leading 'z'. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1367 |
Dwarf_Word leb128_length = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1368 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1369 |
/* Dwarf_Unsigned eh_value = */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1370 |
_dwarf_decode_u_leb128(frame_ptr, &leb128_length); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1371 |
augdata_size += leb128_length; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1372 |
frame_ptr += leb128_length; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1373 |
suffix = augmentation + 1; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1374 |
} else { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1375 |
/* Prefix is 'eh'. As in gcc 3.2. No suffix present |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1376 |
apparently. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1377 |
suffix = augmentation + 2; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1378 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1379 |
for (; *suffix; ++suffix) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1380 |
/* We have no idea what this is as yet. Some extensions beyond |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1381 |
dwarf exist which we do not yet handle. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1382 |
return DW_DLV_ERROR; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1383 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1384 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1385 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1386 |
*size_of_augmentation_data = augdata_size; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1387 |
return DW_DLV_OK; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1388 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1389 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1390 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1391 |
/* Make the 'cie_id_addr' consistent across .debug_frame and .eh_frame. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1392 |
Calculate a pointer into section bytes given a cie_id, which is |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1393 |
trivial for .debug_frame, but a bit more work for .eh_frame. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1394 |
*/ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1395 |
static Dwarf_Small * |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1396 |
get_cieptr_given_offset(Dwarf_Unsigned cie_id_value, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1397 |
int use_gnu_cie_calc, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1398 |
Dwarf_Small * section_ptr, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1399 |
Dwarf_Small * cie_id_addr) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1400 |
{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1401 |
Dwarf_Small *cieptr = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1402 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1403 |
if (use_gnu_cie_calc) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1404 |
/* cie_id value is offset, in section, of the cie_id itself, to |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1405 |
use vm ptr of the value, less the value, to get to the cie |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1406 |
itself. In addition, munge *cie_id_addr to look *as if* it |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1407 |
was from real dwarf. */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1408 |
cieptr = (Dwarf_Small *) ((Dwarf_Unsigned) cie_id_addr) - |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1409 |
((Dwarf_Unsigned) cie_id_value); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1410 |
} else { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1411 |
/* Traditional dwarf section offset is in cie_id */ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1412 |
cieptr = (section_ptr + cie_id_value); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1413 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1414 |
return cieptr; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1415 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1416 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1417 |
/* To properly release all spaced used. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1418 |
Earlier approaches (before July 15, 2005) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1419 |
letting client do the dealloc directly left |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1420 |
some data allocated. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1421 |
This is directly called by consumer code. |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1422 |
*/ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1423 |
void |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1424 |
dwarf_fde_cie_list_dealloc(Dwarf_Debug dbg, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1425 |
Dwarf_Cie * cie_data, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1426 |
Dwarf_Signed cie_element_count, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1427 |
Dwarf_Fde * fde_data, |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1428 |
Dwarf_Signed fde_element_count) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1429 |
{ |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1430 |
Dwarf_Signed i = 0; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1431 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1432 |
for (i = 0; i < cie_element_count; ++i) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1433 |
Dwarf_Frame frame = cie_data[i]->ci_initial_table; |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1434 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1435 |
if (frame) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1436 |
dwarf_dealloc(dbg, frame, DW_DLA_FRAME); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1437 |
dwarf_dealloc(dbg, cie_data[i], DW_DLA_CIE); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1438 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1439 |
for (i = 0; i < fde_element_count; ++i) { |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1440 |
dwarf_dealloc(dbg, fde_data[i], DW_DLA_FDE); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1441 |
} |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1442 |
if (cie_data) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1443 |
dwarf_dealloc(dbg, cie_data, DW_DLA_LIST); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1444 |
if (fde_data) |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1445 |
dwarf_dealloc(dbg, fde_data, DW_DLA_LIST); |
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1446 |
|
92d87f2e53c2
Added ELF4ROM and e32test-driver
Martin Trojer <martin.trojer@nokia.com>
parents:
diff
changeset
|
1447 |
} |