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binutils-gdb
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Add ability to dump .debug_aranges sections

This commit is contained in:
Nick Clifton 1999-02-02 12:44:54 +00:00
parent ca2afaf3fb
commit 306c2ca06a
3 changed files with 83 additions and 7 deletions
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4
binutils/ChangeLog
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@ -2,8 +2,10 @@
* readelf.c (read_and_display_attr): Add display of basic type
encodings.
(display_debug_aranges): New function: Display the contents of a
.debug_aranges section.
* binutils.texi: Fixed bug in readefl documentation.
* binutils.texi: Fixed bug in readelf documentation.
Mon Feb 1 12:38:01 1999 Catherine Moore <clm@cygnus.com>

6
binutils/binutils.texi
View File

@ -2321,7 +2321,7 @@ readelf [ -a | --all ]
[ -V | --version-info]
[ -D | --use-dynamic]
[ -x <number> | --hex-dump=<number>]
[ -w[liap] | --debug-dump[=info,=line,=abbrev,=pubnames]]
[ -w[liapr] | --debug-dump[=info,=line,=abbrev,=pubnames,=ranges]]
[ --histogram]
[ -v | --version]
[ -H | --help]
@ -2403,8 +2403,8 @@ symbols section.
@itemx --hex-dump=<number>
Displays the contents of the indicated section as a hexadecimal dump.
@item -w[lia]
@itemx --debug-dump[=line,=info,=abbrev]
@item -w[liapr]
@itemx --debug-dump[=line,=info,=abbrev,=pubnames,=ranges]
Displays the contents of the debug sections in the file, if any are
present. If one of the optional letters or words follows the switch
then only data found in those specific sections will be dumped.

80
binutils/readelf.c
View File

@ -101,6 +101,7 @@ int do_debug_info;
int do_debug_abbrevs;
int do_debug_lines;
int do_debug_pubnames;
int do_debug_aranges;
int binary_class;
static unsigned long (* byte_get) PARAMS ((unsigned char *, int));
@ -153,6 +154,7 @@ static int display_debug_info PARAMS ((Elf32_Internal_Sh
static int display_debug_not_supported PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
static int display_debug_lines PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
static int display_debug_abbrev PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
static int display_debug_aranges PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *));
static unsigned char * process_abbrev_section PARAMS ((unsigned char *, unsigned char *));
static unsigned long read_leb128 PARAMS ((unsigned char *, int *, int));
static int process_extended_line_op PARAMS ((unsigned char *, long *));
@ -1070,7 +1072,7 @@ usage ()
fprintf (stdout, _(" -D or --use-dynamic Use the dynamic section info when displaying symbols\n"));
fprintf (stdout, _(" -x <number> or --hex-dump=<number>\n"));
fprintf (stdout, _(" Dump the contents of section <number>\n"));
fprintf (stdout, _(" -w[liap] or --debug-dump[=line,=info,=abbrev,=pubnames]\n"));
fprintf (stdout, _(" -w[liapr] or --debug-dump[=line,=info,=abbrev,=pubnames,=ranges]\n"));
fprintf (stdout, _(" Display the contents of DWARF2 debug sections\n"));
#ifdef SUPPORT_DISASSEMBLY
fprintf (stdout, _(" -i <number> or --instruction-dump=<number>\n"));
@ -1183,6 +1185,11 @@ parse_args (argc, argv)
do_debug_pubnames = 1;
break;
case 'r':
case 'R':
do_debug_aranges = 1;
break;
default:
warn (_("Unrecognised debug option '%s'\n"), optarg);
break;
@ -1614,7 +1621,7 @@ process_section_headers (file)
dynamic_strings, char *, "dynamic strings");
}
else if ((do_debugging || do_debug_info || do_debug_abbrevs
|| do_debug_lines || do_debug_pubnames)
|| do_debug_lines || do_debug_pubnames || do_debug_aranges)
&& strncmp (name, ".debug_", 7) == 0)
{
name += 7;
@ -1624,6 +1631,7 @@ process_section_headers (file)
|| (do_debug_abbrevs && (strcmp (name, "abbrev") == 0))
|| (do_debug_lines && (strcmp (name, "line") == 0))
|| (do_debug_pubnames && (strcmp (name, "pubnames") == 0))
|| (do_debug_aranges && (strcmp (name, "aranges") == 0))
)
dump_sects [i] |= DEBUG_DUMP;
}
@ -3639,6 +3647,7 @@ display_debug_lines (section, start, file)
}
}
printf ("\n");
return 1;
}
@ -3702,6 +3711,7 @@ display_debug_pubnames (section, start, file)
while (offset != 0);
}
printf ("\n");
return 1;
}
@ -4397,10 +4407,74 @@ display_debug_info (section, start, file)
compunit.cu_pointer_size);
}
}
printf ("\n");
return 1;
}
static int
display_debug_aranges (section, start, file)
Elf32_Internal_Shdr * section;
unsigned char * start;
FILE * file;
{
unsigned char * end = start + section->sh_size;
printf (_("The section %s contains:\n\n"), SECTION_NAME (section));
while (start < end)
{
DWARF2_External_ARange * external;
DWARF2_Internal_ARange arange;
unsigned char * ranges;
int i;
unsigned long length;
unsigned long address;
external = (DWARF2_External_ARange *) start;
arange.ar_length = BYTE_GET (external->ar_length);
arange.ar_version = BYTE_GET (external->ar_version);
arange.ar_info_offset = BYTE_GET (external->ar_info_offset);
arange.ar_pointer_size = BYTE_GET (external->ar_pointer_size);
arange.ar_segment_size = BYTE_GET (external->ar_segment_size);
printf (_(" Length: %d\n"), arange.ar_length);
printf (_(" Version: %d\n"), arange.ar_version);
printf (_(" Offset into .debug_info: %x\n"), arange.ar_info_offset);
printf (_(" Pointer Size: %d\n"), arange.ar_pointer_size);
printf (_(" Segment Size: %d\n"), arange.ar_segment_size);
printf (_("\n Address Length\n"));
ranges = start + sizeof (* external);
for (;;)
{
address = byte_get (ranges, arange.ar_pointer_size);
if (address == 0)
break;
ranges += arange.ar_pointer_size;
length = byte_get (ranges, arange.ar_pointer_size);
ranges += arange.ar_pointer_size;
printf (" %8.8x %d\n", address, length);
}
start += arange.ar_length + sizeof (external->ar_length);
}
printf ("\n");
return 1;
}
static int
display_debug_not_supported (section, start, file)
Elf32_Internal_Shdr * section;
@ -4425,7 +4499,7 @@ debug_displays[] =
{ ".debug_info", display_debug_info },
{ ".debug_abbrev", display_debug_abbrev },
{ ".debug_line", display_debug_lines },
{ ".debug_aranges", display_debug_not_supported },
{ ".debug_aranges", display_debug_aranges },
{ ".debug_pubnames", display_debug_pubnames },
{ ".debug_macinfo", display_debug_not_supported },
{ ".debug_frame", display_debug_not_supported },