--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/elf4rom/libs/dwarf-20071209/libdwarf/dwarf_error.c Fri Jan 15 09:07:44 2010 +0000
@@ -0,0 +1,388 @@
+/*
+
+ Copyright (C) 2000,2002,2004,2005 Silicon Graphics, Inc. All Rights Reserved.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of version 2.1 of the GNU Lesser General Public License
+ as published by the Free Software Foundation.
+
+ This program is distributed in the hope that it would be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+ Further, this software is distributed without any warranty that it is
+ free of the rightful claim of any third person regarding infringement
+ or the like. Any license provided herein, whether implied or
+ otherwise, applies only to this software file. Patent licenses, if
+ any, provided herein do not apply to combinations of this program with
+ other software, or any other product whatsoever.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this program; if not, write the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston MA 02110-1301,
+ USA.
+
+ Contact information: Silicon Graphics, Inc., 1500 Crittenden Lane,
+ Mountain View, CA 94043, or:
+
+ http://www.sgi.com
+
+ For further information regarding this notice, see:
+
+ http://oss.sgi.com/projects/GenInfo/NoticeExplan
+
+*/
+
+
+
+#include "config.h"
+#include "dwarf_incl.h"
+#ifdef HAVE_ELF_H
+#include <elf.h>
+#endif
+
+#include <stdio.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <stdlib.h>
+
+/* Array to hold string representation of errors. Any time a
+ define is added to the list in libdwarf.h, a string should be
+ added to this Array
+*/
+
+const char *_dwarf_errmsgs[] = {
+
+ "No error (0)\n",
+ "DW_DLE_VMM 1 dwarf format/library version mismatch",
+ "DW_DLE_MAP 2 memory map failure",
+ "DW_DLE_LEE 3 libelf error",
+ "DW_DLE_NDS 4 no debug section",
+ "DW_DLE_NLS 5 no line section ",
+ "DW_DLE_ID 6 invalid descriptor for query ",
+ "DW_DLE_IOF 7 I/O failure ",
+ "DW_DLE_MAF 8 memory allocation failure ",
+ "DW_DLE_IA 9 invalid argument ",
+ "DW_DLE_MDE 10 mangled debugging entry ",
+ "DW_DLE_MLE 11 mangled line number entry ",
+ "DW_DLE_FNO 12 file not open ",
+ "DW_DLE_FNR 13 file not a regular file ",
+ "DW_DLE_FWA 14 file open with wrong access ",
+ "DW_DLE_NOB 15 not an object file ",
+ "DW_DLE_MOF 16 mangled object file header ",
+ "DW_DLE_EOLL 17 end of location list entries ",
+ "DW_DLE_NOLL 18 no location list section ",
+ "DW_DLE_BADOFF 19 Invalid offset ",
+ "DW_DLE_EOS 20 end of section ",
+ "DW_DLE_ATRUNC 21 abbreviations section appears truncated",
+ "DW_DLE_BADBITC 22 Address size passed to dwarf bad",
+
+ "DW_DLE_DBG_ALLOC 23 Unable to malloc a Dwarf_Debug structure",
+ "DW_DLE_FSTAT_ERROR 24 The file fd passed to dwarf_init "
+ "cannot be fstat()ed",
+ "DW_DLE_FSTAT_MODE_ERROR 25 The file mode bits do not "
+ "indicate that the file being opened via "
+ "dwarf_init() is a normal file",
+ "DW_DLE_INIT_ACCESS_WRONG 26 A call to dwarf_init had an "
+ "access of other than DW_DLC_READ",
+ "DW_DLE_ELF_BEGIN_ERROR 27 a call to "
+ "elf_begin(... ELF_C_READ_MMAP... ) failed",
+ "DW_DLE_ELF_GETEHDR_ERROR 28 a call to "
+ "elf32_getehdr() or elf64_getehdr() failed",
+ "DW_DLE_ELF_GETSHDR_ERROR 29 a call to "
+ "elf32_getshdr() or elf64_getshdr() failed",
+ "DW_DLE_ELF_STRPTR_ERROR 30 a call to "
+ "elf_strptr() failed trying to get a section name",
+ "DW_DLE_DEBUG_INFO_DUPLICATE 31 Only one .debug_info "
+ "section is allowed",
+ "DW_DLE_DEBUG_INFO_NULL 32 .debug_info section present but "
+ "elf_getdata() failed or section is zero-length",
+ "DW_DLE_DEBUG_ABBREV_DUPLICATE 33 Only one .debug_abbrev "
+ "section is allowed",
+ "DW_DLE_DEBUG_ABBREV_NULL 34 .debug_abbrev section present but "
+ "elf_getdata() failed or section is zero-length",
+ "DW_DLE_DEBUG_ARANGES_DUPLICATE 35 Only one .debug_aranges "
+ "section is allowed",
+ "DW_DLE_DEBUG_ARANGES_NULL 36 .debug_aranges section present but "
+ "elf_getdata() failed or section is zero-length",
+ "DW_DLE_DEBUG_LINE_DUPLICATE 37 Only one .debug_line "
+ "section is allowed",
+ "DW_DLE_DEBUG_LINE_NULL (38) .debug_line section present but "
+ "elf_getdata() failed or section is zero-length",
+ "DW_DLE_DEBUG_LOC_DUPLICATE (39) Only one .debug_loc "
+ "section is allowed",
+ "DW_DLE_DEBUG_LOC_NULL (40) .debug_loc section present but "
+ "elf_getdata() failed or section is zero-length",
+ "DW_DLE_DEBUG_MACINFO_DUPLICATE (41) Only one .debug_macinfo "
+ "section is allowed",
+ "DW_DLE_DEBUG_MACINFO_NULL (42) .debug_macinfo section present but "
+ "elf_getdata() failed or section is zero-length",
+ "DW_DLE_DEBUG_PUBNAMES_DUPLICATE (43) Only one .debug_pubnames "
+ "section is allowed",
+ "DW_DLE_DEBUG_PUBNAMES_NULL (44) .debug_pubnames section present but "
+ "elf_getdata() failed or section is zero-length",
+ "DW_DLE_DEBUG_STR_DUPLICATE (45) Only one .debug_str "
+ "section is allowed",
+ "DW_DLE_DEBUG_STR_NULL (46) .debug_str section present but "
+ "elf_getdata() failed or section is zero-length",
+ "DW_DLE_CU_LENGTH_ERROR (47)",
+ "DW_DLE_VERSION_STAMP_ERROR (48)",
+ "DW_DLE_ABBREV_OFFSET_ERROR (49)",
+ "DW_DLE_ADDRESS_SIZE_ERROR (50)",
+ "DW_DLE_DEBUG_INFO_PTR_NULL (51)",
+ "DW_DLE_DIE_NULL (52)",
+ "DW_DLE_STRING_OFFSET_BAD (53)",
+ "DW_DLE_DEBUG_LINE_LENGTH_BAD (54)",
+ "DW_DLE_LINE_PROLOG_LENGTH_BAD (55)",
+ "DW_DLE_LINE_NUM_OPERANDS_BAD",
+ "DW_DLE_LINE_SET_ADDR_ERROR",
+ "DW_DLE_LINE_EXT_OPCODE_BAD",
+ "DW_DLE_DWARF_LINE_NULL",
+ "DW_DLE_INCL_DIR_NUM_BAD",
+ "DW_DLE_LINE_FILE_NUM_BAD",
+ "DW_DLE_ALLOC_FAIL",
+ "DW_DLE_NO_CALLBACK_FUNC",
+ "DW_DLE_SECT_ALLOC",
+ "DW_DLE_FILE_ENTRY_ALLOC",
+ "DW_DLE_LINE_ALLOC",
+ "DW_DLE_FPGM_ALLOC",
+ "DW_DLE_INCDIR_ALLOC",
+ "DW_DLE_STRING_ALLOC",
+ "DW_DLE_CHUNK_ALLOC",
+ "DW_DLE_BYTEOFF_ERR",
+ "DW_DLE_CIE_ALLOC",
+ "DW_DLE_FDE_ALLOC",
+ "DW_DLE_REGNO_OVFL",
+ "DW_DLE_CIE_OFFS_ALLOC",
+ "DW_DLE_WRONG_ADDRESS",
+ "DW_DLE_EXTRA_NEIGHBORS",
+ "DW_DLE_WRONG_TAG",
+ "DW_DLE_DIE_ALLOC",
+ "DW_DLE_PARENT_EXISTS",
+ "DW_DLE_DBG_NULL",
+ "DW_DLE_DEBUGLINE_ERROR",
+ "DW_DLE_DEBUGFRAME_ERROR",
+ "DW_DLE_DEBUGINFO_ERROR",
+ "DW_DLE_ATTR_ALLOC",
+ "DW_DLE_ABBREV_ALLOC",
+ "DW_DLE_OFFSET_UFLW",
+ "DW_DLE_ELF_SECT_ERR",
+ "DW_DLE_DEBUG_FRAME_LENGTH_BAD",
+ "DW_DLE_FRAME_VERSION_BAD",
+ "DW_DLE_CIE_RET_ADDR_REG_ERROR",
+ "DW_DLE_FDE_NULL",
+ "DW_DLE_FDE_DBG_NULL",
+ "DW_DLE_CIE_NULL",
+ "DW_DLE_CIE_DBG_NULL",
+ "DW_DLE_FRAME_TABLE_COL_BAD",
+ "DW_DLE_PC_NOT_IN_FDE_RANGE",
+ "DW_DLE_CIE_INSTR_EXEC_ERROR",
+ "DW_DLE_FRAME_INSTR_EXEC_ERROR",
+ "DW_DLE_FDE_PTR_NULL",
+ "DW_DLE_RET_OP_LIST_NULL",
+ "DW_DLE_LINE_CONTEXT_NULL",
+ "DW_DLE_DBG_NO_CU_CONTEXT",
+ "DW_DLE_DIE_NO_CU_CONTEXT",
+ "DW_DLE_FIRST_DIE_NOT_CU",
+ "DW_DLE_NEXT_DIE_PTR_NULL",
+ "DW_DLE_DEBUG_FRAME_DUPLICATE Only one .debug_frame "
+ "section is allowed",
+ "DW_DLE_DEBUG_FRAME_NULL .debug_frame section present but "
+ "elf_getdata() failed or section is zero-length",
+ "DW_DLE_ABBREV_DECODE_ERROR",
+ "DW_DLE_DWARF_ABBREV_NULL",
+ "DW_DLE_ATTR_NULL",
+ "DW_DLE_DIE_BAD",
+ "DW_DLE_DIE_ABBREV_BAD",
+ "DW_DLE_ATTR_FORM_BAD",
+ "DW_DLE_ATTR_NO_CU_CONTEXT",
+ "DW_DLE_ATTR_FORM_SIZE_BAD",
+ "DW_DLE_ATTR_DBG_NULL",
+ "DW_DLE_BAD_REF_FORM",
+ "DW_DLE_ATTR_FORM_OFFSET_BAD",
+ "DW_DLE_LINE_OFFSET_BAD",
+ "DW_DLE_DEBUG_STR_OFFSET_BAD",
+ "DW_DLE_STRING_PTR_NULL",
+ "DW_DLE_PUBNAMES_VERSION_ERROR",
+ "DW_DLE_PUBNAMES_LENGTH_BAD",
+ "DW_DLE_GLOBAL_NULL",
+ "DW_DLE_GLOBAL_CONTEXT_NULL",
+ "DW_DLE_DIR_INDEX_BAD",
+ "DW_DLE_LOC_EXPR_BAD",
+ "DW_DLE_DIE_LOC_EXPR_BAD",
+ "DW_DLE_ADDR_ALLOC",
+ "DW_DLE_OFFSET_BAD",
+ "DW_DLE_MAKE_CU_CONTEXT_FAIL",
+ "DW_DLE_REL_ALLOC",
+ "DW_DLE_ARANGE_OFFSET_BAD",
+ "DW_DLE_SEGMENT_SIZE_BAD",
+ "DW_DLE_ARANGE_LENGTH_BAD",
+ "DW_DLE_ARANGE_DECODE_ERROR",
+ "DW_DLE_ARANGES_NULL",
+ "DW_DLE_ARANGE_NULL",
+ "DW_DLE_NO_FILE_NAME",
+ "DW_DLE_NO_COMP_DIR",
+ "DW_DLE_CU_ADDRESS_SIZE_BAD",
+ "DW_DLE_INPUT_ATTR_BAD",
+ "DW_DLE_EXPR_NULL",
+ "DW_DLE_BAD_EXPR_OPCODE",
+ "DW_DLE_EXPR_LENGTH_BAD",
+ "DW_DLE_MULTIPLE_RELOC_IN_EXPR",
+ "DW_DLE_ELF_GETIDENT_ERROR",
+ "DW_DLE_NO_AT_MIPS_FDE",
+ "DW_DLE_NO_CIE_FOR_FDE",
+ "DW_DLE_DIE_ABBREV_LIST_NULL",
+ "DW_DLE_DEBUG_FUNCNAMES_DUPLICATE",
+ "DW_DLE_DEBUG_FUNCNAMES_NULL .debug_funcnames section present but "
+ "elf_getdata() failed or section is zero-length",
+ "DW_DLE_DEBUG_FUNCNAMES_VERSION_ERROR",
+ "DW_DLE_DEBUG_FUNCNAMES_LENGTH_BAD",
+ "DW_DLE_FUNC_NULL",
+ "DW_DLE_FUNC_CONTEXT_NULL",
+ "DW_DLE_DEBUG_TYPENAMES_DUPLICATE",
+ "DW_DLE_DEBUG_TYPENAMES_NULL .debug_typenames section present but "
+ "elf_getdata() failed or section is zero-length",
+ "DW_DLE_DEBUG_TYPENAMES_VERSION_ERROR",
+ "DW_DLE_DEBUG_TYPENAMES_LENGTH_BAD",
+ "DW_DLE_TYPE_NULL",
+ "DW_DLE_TYPE_CONTEXT_NULL",
+ "DW_DLE_DEBUG_VARNAMES_DUPLICATE",
+ "DW_DLE_DEBUG_VARNAMES_NULL .debug_varnames section present but "
+ "elf_getdata() failed or section is zero-length",
+ "DW_DLE_DEBUG_VARNAMES_VERSION_ERROR",
+ "DW_DLE_DEBUG_VARNAMES_LENGTH_BAD",
+ "DW_DLE_VAR_NULL",
+ "DW_DLE_VAR_CONTEXT_NULL",
+ "DW_DLE_DEBUG_WEAKNAMES_DUPLICATE",
+ "DW_DLE_DEBUG_WEAKNAMES_NULL .debug_weaknames section present but "
+ "elf_getdata() failed or section is zero-length",
+
+ "DW_DLE_DEBUG_WEAKNAMES_VERSION_ERROR",
+ "DW_DLE_DEBUG_WEAKNAMES_LENGTH_BAD",
+ "DW_DLE_WEAK_NULL",
+ "DW_DLE_WEAK_CONTEXT_NULL (175)",
+ "DW_DLE_LOCDESC_COUNT_WRONG (176)",
+ "DW_DLE_MACINFO_STRING_NULL (177)",
+ "DW_DLE_MACINFO_STRING_EMPTY (178)",
+ "DW_DLE_MACINFO_INTERNAL_ERROR_SPACE (179)",
+ "DW_DLE_MACINFO_MALLOC_FAIL (180)",
+ "DW_DLE_DEBUGMACINFO_ERROR (181)",
+ "DW_DLE_DEBUG_MACRO_LENGTH_BAD (182)",
+ "DW_DLE_DEBUG_MACRO_MAX_BAD (183)",
+ "DW_DLE_DEBUG_MACRO_INTERNAL_ERR (184)",
+ "DW_DLE_DEBUG_MACRO_MALLOC_SPACE (185)",
+ "DW_DLE_DEBUG_MACRO_INCONSISTENT (186)",
+ "DW_DLE_DF_NO_CIE_AUGMENTATION(187)",
+ "DW_DLE_DF_REG_NUM_TOO_HIGH(188)",
+ "DW_DLE_DF_MAKE_INSTR_NO_INIT(189)",
+ "DW_DLE_DF_NEW_LOC_LESS_OLD_LOC(190)",
+ "DW_DLE_DF_POP_EMPTY_STACK(191)",
+ "DW_DLE_DF_ALLOC_FAIL(192)",
+ "DW_DLE_DF_FRAME_DECODING_ERROR(193)",
+ "DW_DLE_DEBUG_LOC_SECTION_SHORT(194)",
+ "DW_DLE_FRAME_AUGMENTATION_UNKNOWN(195)",
+ "DW_DLA_PUBTYPE_CONTEXT(196)",
+ "DW_DLE_DEBUG_PUBTYPES_LENGTH_BAD(197)",
+ "DW_DLE_DEBUG_PUBTYPES_VERSION_ERROR(198)",
+ "DW_DLE_DEBUG_PUBTYPES_DUPLICATE(199)",
+ "DW_DLE_FRAME_CIE_DECODE_ERROR(200)",
+ "DW_DLE_FRAME_REGISTER_UNREPRESENTABLE(201)",
+ "DW_DLE_FRAME_REGISTER_COUNT_MISMATCH(202)",
+ "DW_DLE_LINK_LOOP(203)",
+
+
+
+};
+
+
+
+
+/*
+ This function performs error handling as described in the
+ libdwarf consumer document section 3. Dbg is the Dwarf_debug
+ structure being processed. Error is a pointer to the pointer
+ to the error descriptor that will be returned. Errval is an
+ error code listed in dwarf_error.h.
+*/
+void
+_dwarf_error(Dwarf_Debug dbg, Dwarf_Error * error, Dwarf_Sword errval)
+{
+ Dwarf_Error errptr;
+
+ /*
+ Allow NULL dbg on entry, since sometimes that can happen and we
+ want to report the upper-level error, not this one. */
+ if (error != NULL) {
+
+ /*
+ If dbg is NULL, use the alternate error struct. However,
+ this will overwrite the earlier error. */
+ if (dbg != NULL) {
+ errptr =
+ (Dwarf_Error) _dwarf_get_alloc(dbg, DW_DLA_ERROR, 1);
+ if (errptr == NULL) {
+ fprintf(stderr,
+ "Could not allocate Dwarf_Error structure, "
+ "abort() in libdwarf.\n");
+ abort();
+ }
+ } else {
+ /* We have no dbg to work with. dwarf_init failed. We hack
+ up a special area. */
+ errptr = _dwarf_special_no_dbg_error_malloc();
+ if (errptr == NULL) {
+ fprintf(stderr,
+ "Could not allocate Dwarf_Error structure, "
+ "abort() in libdwarf..\n");
+ abort();
+ }
+ }
+
+ errptr->er_errval = errval;
+ *error = errptr;
+ return;
+ }
+
+ if (dbg != NULL && dbg->de_errhand != NULL) {
+ errptr = (Dwarf_Error) _dwarf_get_alloc(dbg, DW_DLA_ERROR, 1);
+ if (errptr == NULL) {
+ fprintf(stderr, "Could not allocate Dwarf_Error structure,"
+ " abort() in libdwarf.\n");
+ abort();
+ }
+ errptr->er_errval = errval;
+ dbg->de_errhand(errptr, dbg->de_errarg);
+ return;
+ }
+ fprintf(stderr,
+ "abort() in libdwarf. No error argument, no handler.\n");
+ abort();
+}
+
+
+Dwarf_Unsigned
+dwarf_errno(Dwarf_Error error)
+{
+ if (error == NULL) {
+ return (0);
+ }
+
+ return (error->er_errval);
+}
+
+
+/*
+*/
+char *
+dwarf_errmsg(Dwarf_Error error)
+{
+ if (error == NULL) {
+ return "Dwarf_Error is NULL";
+ }
+
+ if (error->er_errval > (sizeof(_dwarf_errmsgs) / sizeof(char *))) {
+ return "Dwarf_Error value out of range";
+ }
+
+ return ((char *) _dwarf_errmsgs[error->er_errval]);
+}