tools/elf4rom/libs/dwarf-20071209/libdwarf/dwarf_line2.c
changeset 34 92d87f2e53c2
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33:1af5c1be89f8 34:92d87f2e53c2
       
     1 /*
       
     2 
       
     3   Copyright (C) 2000,2002,2004,2005,2006 Silicon Graphics, Inc.  All Rights Reserved.
       
     4 
       
     5   This program is free software; you can redistribute it and/or modify it
       
     6   under the terms of version 2.1 of the GNU Lesser General Public License 
       
     7   as published by the Free Software Foundation.
       
     8 
       
     9   This program is distributed in the hope that it would be useful, but
       
    10   WITHOUT ANY WARRANTY; without even the implied warranty of
       
    11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
       
    12 
       
    13   Further, this software is distributed without any warranty that it is
       
    14   free of the rightful claim of any third person regarding infringement 
       
    15   or the like.  Any license provided herein, whether implied or 
       
    16   otherwise, applies only to this software file.  Patent licenses, if
       
    17   any, provided herein do not apply to combinations of this program with 
       
    18   other software, or any other product whatsoever.  
       
    19 
       
    20   You should have received a copy of the GNU Lesser General Public 
       
    21   License along with this program; if not, write the Free Software 
       
    22   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston MA 02110-1301,
       
    23   USA.
       
    24 
       
    25   Contact information:  Silicon Graphics, Inc., 1500 Crittenden Lane,
       
    26   Mountain View, CA 94043, or:
       
    27 
       
    28   http://www.sgi.com
       
    29 
       
    30   For further information regarding this notice, see:
       
    31 
       
    32   http://oss.sgi.com/projects/GenInfo/NoticeExplan
       
    33 
       
    34 */
       
    35 
       
    36 /* This source file used for SGI-IRIX rqs processing.
       
    37    Unused otherwise.
       
    38 */
       
    39 
       
    40 
       
    41 #include "config.h"
       
    42 #include "dwarf_incl.h"
       
    43 #include <stdio.h>
       
    44 #include "dwarf_line.h"
       
    45 #ifdef HAVE_ALLOCA_H
       
    46 #include <alloca.h>
       
    47 #endif
       
    48 
       
    49 
       
    50 
       
    51 /*
       
    52 	Return DW_DLV_OK or, if error,
       
    53 	DW_DLV_ERROR.
       
    54 
       
    55 	Thru pointers, return 2 arrays and a count
       
    56 	for rqs.
       
    57 */
       
    58 int
       
    59 _dwarf_line_address_offsets(Dwarf_Debug dbg,
       
    60 			    Dwarf_Die die,
       
    61 			    Dwarf_Addr ** addrs,
       
    62 			    Dwarf_Off ** offs,
       
    63 			    Dwarf_Unsigned * returncount,
       
    64 			    Dwarf_Error * err)
       
    65 {
       
    66     Dwarf_Addr *laddrs;
       
    67     Dwarf_Off *loffsets;
       
    68     Dwarf_Signed lcount;
       
    69     Dwarf_Signed i;
       
    70     int res;
       
    71     Dwarf_Line *linebuf;
       
    72 
       
    73     res = _dwarf_internal_srclines(die, &linebuf, &lcount,	/* addrlist= 
       
    74 								 */ true,
       
    75 				   /* linelist= */ false, err);
       
    76     if (res != DW_DLV_OK) {
       
    77 	return res;
       
    78     }
       
    79     laddrs = (Dwarf_Addr *)
       
    80 	_dwarf_get_alloc(dbg, DW_DLA_ADDR, lcount);
       
    81     if (laddrs == NULL) {
       
    82 	dwarf_srclines_dealloc(dbg, linebuf, lcount);
       
    83 	_dwarf_error(dbg, err, DW_DLE_ALLOC_FAIL);
       
    84 	return (DW_DLV_ERROR);
       
    85     }
       
    86     loffsets = (Dwarf_Off *)
       
    87 	_dwarf_get_alloc(dbg, DW_DLA_ADDR, lcount);
       
    88     if (loffsets == NULL) {
       
    89 	dwarf_srclines_dealloc(dbg, linebuf, lcount);
       
    90 	/* We already allocated what laddrs points at, so we'e better
       
    91 	   deallocate that space since we are not going to return the
       
    92 	   pointer to the caller. */
       
    93 	dwarf_dealloc(dbg, laddrs, DW_DLA_ADDR);
       
    94 	_dwarf_error(dbg, err, DW_DLE_ALLOC_FAIL);
       
    95 	return (DW_DLV_ERROR);
       
    96     }
       
    97 
       
    98     for (i = 0; i < lcount; i++) {
       
    99 	laddrs[i] = linebuf[i]->li_address;
       
   100 	loffsets[i] = linebuf[i]->li_addr_line.li_offset;
       
   101     }
       
   102     dwarf_srclines_dealloc(dbg, linebuf, lcount);
       
   103     *returncount = lcount;
       
   104     *offs = loffsets;
       
   105     *addrs = laddrs;
       
   106     return DW_DLV_OK;
       
   107 }
       
   108 
       
   109 /*
       
   110    It's impossible for callers of dwarf_srclines() to get to and
       
   111    free all the resources (in particular, the li_context and its
       
   112    lc_file_entries). 
       
   113    So this function, new July 2005, does it.  
       
   114 */