/* dwarf.c -- display DWARF contents of a BFD binary file
- Copyright 2005, 2006
+ Copyright 2005, 2006, 2007
Free Software Foundation, Inc.
This file is part of GNU Binutils.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
-#include <stdio.h>
-
-#include "dwarf.h"
-
-#include "bucomm.h"
+#include "sysdep.h"
#include "libiberty.h"
+#include "bfd.h"
+#include "bucomm.h"
+#include "elf/dwarf2.h"
+#include "dwarf.h"
static int have_frame_base;
static int need_base_address;
case DW_OP_call_ref:
printf ("DW_OP_call_ref");
break;
+ case DW_OP_form_tls_address:
+ printf ("DW_OP_form_tls_address");
+ break;
/* GNU extensions. */
case DW_OP_GNU_push_tls_address:
case DW_AT_language:
switch (uvalue)
{
- case DW_LANG_C: printf ("(non-ANSI C)"); break;
+ /* Ordered by the numeric value of these constants. */
case DW_LANG_C89: printf ("(ANSI C)"); break;
+ case DW_LANG_C: printf ("(non-ANSI C)"); break;
+ case DW_LANG_Ada83: printf ("(Ada)"); break;
case DW_LANG_C_plus_plus: printf ("(C++)"); break;
+ case DW_LANG_Cobol74: printf ("(Cobol 74)"); break;
+ case DW_LANG_Cobol85: printf ("(Cobol 85)"); break;
case DW_LANG_Fortran77: printf ("(FORTRAN 77)"); break;
case DW_LANG_Fortran90: printf ("(Fortran 90)"); break;
- case DW_LANG_Modula2: printf ("(Modula 2)"); break;
case DW_LANG_Pascal83: printf ("(ANSI Pascal)"); break;
- case DW_LANG_Ada83: printf ("(Ada)"); break;
- case DW_LANG_Cobol74: printf ("(Cobol 74)"); break;
- case DW_LANG_Cobol85: printf ("(Cobol 85)"); break;
+ case DW_LANG_Modula2: printf ("(Modula 2)"); break;
/* DWARF 2.1 values. */
+ case DW_LANG_Java: printf ("(Java)"); break;
case DW_LANG_C99: printf ("(ANSI C99)"); break;
case DW_LANG_Ada95: printf ("(ADA 95)"); break;
case DW_LANG_Fortran95: printf ("(Fortran 95)"); break;
+ /* DWARF 3 values. */
+ case DW_LANG_PLI: printf ("(PLI)"); break;
+ case DW_LANG_ObjC: printf ("(Objective C)"); break;
+ case DW_LANG_ObjC_plus_plus: printf ("(Objective C++)"); break;
+ case DW_LANG_UPC: printf ("(Unified Parallel C)"); break;
+ case DW_LANG_D: printf ("(D)"); break;
/* MIPS extension. */
case DW_LANG_Mips_Assembler: printf ("(MIPS assembler)"); break;
/* UPC extension. */
case DW_LANG_Upc: printf ("(Unified Parallel C)"); break;
default:
- printf ("(Unknown: %lx)", uvalue);
+ if (uvalue >= DW_LANG_lo_user && uvalue <= DW_LANG_hi_user)
+ printf ("(implementation defined: %lx)", uvalue);
+ else
+ printf ("(Unknown: %lx)", uvalue);
break;
}
break;
hdrptr += 2;
cu_offset = start - section_begin;
- start += compunit.cu_length + initial_length_size;
cu_abbrev_offset_ptr = hdrptr;
compunit.cu_abbrev_offset = byte_get (hdrptr, offset_size);
debug_information [unit].num_range_lists = 0;
}
- tags = hdrptr;
-
if (!do_loc)
{
printf (_(" Compilation Unit @ offset 0x%lx:\n"), cu_offset);
printf (_(" Pointer Size: %d\n"), compunit.cu_pointer_size);
}
+ if (cu_offset + compunit.cu_length + initial_length_size
+ > section->size)
+ {
+ warn (_("Debug info is corrupted, length is invalid (section is %lu bytes)\n"),
+ (unsigned long)section->size);
+ break;
+ }
+ tags = hdrptr;
+ start += compunit.cu_length + initial_length_size;
+
if (compunit.cu_version != 2 && compunit.cu_version != 3)
{
warn (_("Only version 2 and 3 DWARF debug information is currently supported.\n"));
/* Process the abbrevs used by this compilation unit. DWARF
sections under Mach-O have non-zero addresses. */
- process_abbrev_section
- ((unsigned char *) debug_displays [abbrev].section.start
- + compunit.cu_abbrev_offset - debug_displays [abbrev].section.address,
- (unsigned char *) debug_displays [abbrev].section.start
- + debug_displays [abbrev].section.size);
+ if (compunit.cu_abbrev_offset >= debug_displays [abbrev].section.size)
+ warn (_("Debug info is corrupted, abbrev offset is invalid (section is %lu bytes)\n"),
+ (unsigned long)debug_displays [abbrev].section.size);
+ else
+ process_abbrev_section
+ ((unsigned char *) debug_displays [abbrev].section.start
+ + compunit.cu_abbrev_offset - debug_displays [abbrev].section.address,
+ (unsigned char *) debug_displays [abbrev].section.start
+ + debug_displays [abbrev].section.size);
level = 0;
while (tags < start)
continue;
}
+ if (!do_loc)
+ printf (_(" <%d><%lx>: Abbrev Number: %lu"),
+ level,
+ (unsigned long) (tags - section_begin
+ - bytes_read),
+ abbrev_number);
+
/* Scan through the abbreviation list until we reach the
correct entry. */
for (entry = first_abbrev;
if (entry == NULL)
{
+ if (!do_loc)
+ {
+ printf ("\n");
+ fflush (stdout);
+ }
warn (_("Unable to locate entry %lu in the abbreviation table\n"),
abbrev_number);
return 0;
}
if (!do_loc)
- printf (_(" <%d><%lx>: Abbrev Number: %lu (%s)\n"),
- level,
- (unsigned long) (tags - section_begin
- - bytes_read),
- abbrev_number,
- get_TAG_name (entry->tag));
+ printf (_(" (%s)\n"), get_TAG_name (entry->tag));
switch (entry->tag)
{
need_base_address = 1;
break;
case DW_TAG_entry_point:
- case DW_TAG_inlined_subroutine:
case DW_TAG_subprogram:
need_base_address = 0;
/* Assuming that there is no DW_AT_frame_base. */
}
for (attr = entry->first_attr; attr; attr = attr->next)
- tags = read_and_display_attr (attr->attribute,
- attr->form,
- tags, cu_offset,
- compunit.cu_pointer_size,
- offset_size,
- compunit.cu_version,
- &debug_information [unit],
- do_loc);
+ {
+ if (! do_loc)
+ /* Show the offset from where the tag was extracted. */
+ printf (" <%2lx>", (unsigned long)(tags - section_begin));
+
+ tags = read_and_display_attr (attr->attribute,
+ attr->form,
+ tags, cu_offset,
+ compunit.cu_pointer_size,
+ offset_size,
+ compunit.cu_version,
+ &debug_information [unit],
+ do_loc);
+ }
if (entry->children)
++level;
error (_("No location lists in .debug_info section!\n"));
/* DWARF sections under Mach-O have non-zero addresses. */
- if (debug_information [first].loc_offsets [0] != section->address)
+ if (debug_information [first].num_loc_offsets > 0
+ && debug_information [first].loc_offsets [0] != section->address)
warn (_("Location lists in %s section start at 0x%lx\n"),
section->name, debug_information [first].loc_offsets [0]);
return 1;
}
-
static int
display_debug_info (struct dwarf_section *section, void *file)
{
break;
}
- printf (_("\n Address Length\n"));
+ if (address_size > 4)
+ printf (_("\n Address Length\n"));
+ else
+ printf (_("\n Address Length\n"));
ranges = hdrptr;
ranges += address_size;
- printf (" %8.8lx %lu\n", address, length);
+ if (address_size > 4)
+ printf (" 0x%16.16lx 0x%lx\n", address, length);
+ else
+ printf (" 0x%8.8lx 0x%lx\n", address, length);
}
}
error (_("No range lists in .debug_info section!\n"));
/* DWARF sections under Mach-O have non-zero addresses. */
- if (debug_information [first].range_lists [0] != section->address)
+ if (debug_information [first].num_range_lists > 0
+ && debug_information [first].range_lists [0] != section->address)
warn (_("Range lists in %s section start at 0x%lx\n"),
section->name, debug_information [first].range_lists [0]);
projects / deliverable / binutils-gdb.git / blobdiff