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https://github.com/darlinghq/darling-gdb.git
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* dwarf.c: #include "bfd_stdint.h".
(do_gdb_index): New global. (display_gdb_index): New function. (dwarf_select_sections_by_names) Add "gdb_index". (dwarf_select_sections_all): Set do_gdb_index. (debug_displays): Add .gdb_index. * dwarf.h (do_gdb_index): Declare. * objdump.c (usage): Add gdb_index. * readelf.c (usage): Add gdb_index. (process_section_headers): Process ".gdb_index". * doc/binutils.texi (readelf): Document gdb_index dump. (objdump): Ditto.
This commit is contained in:
Doug Evans
parent
d91ffc6b21
commit
5bbdf3d565
@ -1,3 +1,18 @@
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2010-12-03 Doug Evans <dje@google.com>
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* dwarf.c: #include "bfd_stdint.h".
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(do_gdb_index): New global.
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(display_gdb_index): New function.
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(dwarf_select_sections_by_names) Add "gdb_index".
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(dwarf_select_sections_all): Set do_gdb_index.
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(debug_displays): Add .gdb_index.
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* dwarf.h (do_gdb_index): Declare.
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* objdump.c (usage): Add gdb_index.
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* readelf.c (usage): Add gdb_index.
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(process_section_headers): Process ".gdb_index".
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* doc/binutils.texi (readelf): Document gdb_index dump.
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(objdump): Ditto.
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2010-12-01 Kai Tietz <kai.tietz@onevision.com>
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PR binutils/11065
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@ -1746,7 +1746,7 @@ objdump [@option{-a}|@option{--archive-headers}]
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[@option{-R}|@option{--dynamic-reloc}]
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[@option{-s}|@option{--full-contents}]
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[@option{-W[lLiaprmfFsoRt]}|
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@option{--dwarf}[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=frames-interp,=str,=loc,=Ranges,=pubtypes,=trace_info,=trace_abbrev,=trace_aranges]]
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@option{--dwarf}[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=frames-interp,=str,=loc,=Ranges,=pubtypes,=trace_info,=trace_abbrev,=trace_aranges,=gdb_index]]
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[@option{-G}|@option{--stabs}]
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[@option{-t}|@option{--syms}]
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[@option{-T}|@option{--dynamic-syms}]
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@ -2119,7 +2119,7 @@ Display @var{width} bytes on a single line when disassembling
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instructions.
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@item -W[lLiaprmfFsoRt]
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@itemx --dwarf[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=frames-interp,=str,=loc,=Ranges,=pubtypes,=trace_info,=trace_abbrev,=trace_aranges]
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@itemx --dwarf[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=frames-interp,=str,=loc,=Ranges,=pubtypes,=trace_info,=trace_abbrev,=trace_aranges,=gdb_index]
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@cindex DWARF
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@cindex debug symbols
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Displays the contents of the debug sections in the file, if any are
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@ -2127,7 +2127,7 @@ present. If one of the optional letters or words follows the switch
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then only data found in those specific sections will be dumped.
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Note that there is no single letter option to display the content of
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trace sections.
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trace sections or .gdb_index.
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@item -G
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@itemx --stabs
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@ -3949,7 +3949,7 @@ readelf [@option{-a}|@option{--all}]
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[@option{-R} <number or name>|@option{--relocated-dump=}<number or name>]
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[@option{-c}|@option{--archive-index}]
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[@option{-w[lLiaprmfFsoRt]}|
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@option{--debug-dump}[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=frames-interp,=str,=loc,=Ranges,=pubtypes,=trace_info,=trace_abbrev,=trace_aranges]]
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@option{--debug-dump}[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=frames-interp,=str,=loc,=Ranges,=pubtypes,=trace_info,=trace_abbrev,=trace_aranges,=gdb_index]]
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[@option{-I}|@option{--histogram}]
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[@option{-v}|@option{--version}]
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[@option{-W}|@option{--wide}]
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@ -4101,13 +4101,13 @@ of binary archives. Performs the same function as the @option{t}
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command to @command{ar}, but without using the BFD library. @xref{ar}.
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@item -w[lLiaprmfFsoRt]
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@itemx --debug-dump[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=frames-interp,=str,=loc,=Ranges,=pubtypes,=trace_info,=trace_abbrev,=trace_aranges]
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@itemx --debug-dump[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=frames-interp,=str,=loc,=Ranges,=pubtypes,=trace_info,=trace_abbrev,=trace_aranges,=gdb_index]
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Displays the contents of the debug sections in the file, if any are
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present. If one of the optional letters or words follows the switch
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then only data found in those specific sections will be dumped.
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Note that there is no single letter option to display the content of
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trace sections.
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trace sections or .gdb_index.
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Note: the @option{=decodedline} option will display the interpreted
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contents of a .debug_line section whereas the @option{=rawline} option
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136
binutils/dwarf.c
136
binutils/dwarf.c
@ -22,6 +22,7 @@
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#include "sysdep.h"
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#include "libiberty.h"
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#include "bfd.h"
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#include "bfd_stdint.h"
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#include "bucomm.h"
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#include "elfcomm.h"
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#include "elf/common.h"
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@ -56,6 +57,7 @@ int do_debug_frames_interp;
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int do_debug_macinfo;
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int do_debug_str;
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int do_debug_loc;
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int do_gdb_index;
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int do_trace_info;
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int do_trace_abbrevs;
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int do_trace_aranges;
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@ -4862,6 +4864,135 @@ display_debug_frames (struct dwarf_section *section,
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#undef LEB
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#undef SLEB
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static int
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display_gdb_index (struct dwarf_section *section,
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void *file ATTRIBUTE_UNUSED)
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{
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unsigned char *start = section->start;
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uint32_t version;
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uint32_t cu_list_offset, tu_list_offset;
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uint32_t address_table_offset, symbol_table_offset, constant_pool_offset;
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unsigned int cu_list_elements, tu_list_elements;
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unsigned int address_table_size, symbol_table_slots;
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unsigned char *cu_list, *tu_list;
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unsigned char *address_table, *symbol_table, *constant_pool;
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unsigned int i;
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/* The documentation for the format of this file is in gdb/dwarf2read.c. */
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printf (_("Contents of the %s section:\n"), section->name);
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if (section->size < 6 * sizeof (uint32_t))
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{
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warn (_("Truncated header in the %s section.\n"), section->name);
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return 0;
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}
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version = byte_get_little_endian (start, 4);
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printf (_("Version %d\n"), version);
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/* Prior versions are obsolete, and future versions may not be
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backwards compatible. */
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if (version != 3)
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{
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warn (_("Unsupported version %u.\n"), version);
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return 0;
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}
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cu_list_offset = byte_get_little_endian (start + 4, 4);
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tu_list_offset = byte_get_little_endian (start + 8, 4);
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address_table_offset = byte_get_little_endian (start + 12, 4);
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symbol_table_offset = byte_get_little_endian (start + 16, 4);
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constant_pool_offset = byte_get_little_endian (start + 20, 4);
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if (cu_list_offset > section->size
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|| tu_list_offset > section->size
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|| address_table_offset > section->size
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|| symbol_table_offset > section->size
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|| constant_pool_offset > section->size)
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{
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warn (_("Corrupt header in the %s section.\n"), section->name);
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return 0;
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}
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cu_list_elements = (tu_list_offset - cu_list_offset) / 8;
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tu_list_elements = (address_table_offset - tu_list_offset) / 8;
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address_table_size = symbol_table_offset - address_table_offset;
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symbol_table_slots = (constant_pool_offset - symbol_table_offset) / 8;
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cu_list = start + cu_list_offset;
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tu_list = start + tu_list_offset;
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address_table = start + address_table_offset;
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symbol_table = start + symbol_table_offset;
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constant_pool = start + constant_pool_offset;
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printf (_("\nCU table:\n"));
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for (i = 0; i < cu_list_elements; i += 2)
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{
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uint64_t cu_offset = byte_get_little_endian (cu_list + i * 8, 8);
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uint64_t cu_length = byte_get_little_endian (cu_list + i * 8 + 8, 8);
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printf (_("[%3u] 0x%lx - 0x%lx\n"), i / 2,
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(unsigned long) cu_offset,
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(unsigned long) (cu_offset + cu_length - 1));
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}
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printf (_("\nTU table:\n"));
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for (i = 0; i < tu_list_elements; i += 3)
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{
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uint64_t tu_offset = byte_get_little_endian (tu_list + i * 8, 8);
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uint64_t type_offset = byte_get_little_endian (tu_list + i * 8 + 8, 8);
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uint64_t signature = byte_get_little_endian (tu_list + i * 8 + 16, 8);
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printf (_("[%3u] 0x%lx 0x%lx "), i / 3,
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(unsigned long) tu_offset,
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(unsigned long) type_offset);
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print_dwarf_vma (signature, 8);
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printf ("\n");
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}
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printf (_("\nAddress table:\n"));
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for (i = 0; i < address_table_size; i += 2 * 8 + 4)
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{
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uint64_t low = byte_get_little_endian (address_table + i, 8);
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uint64_t high = byte_get_little_endian (address_table + i + 8, 8);
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uint32_t cu_index = byte_get_little_endian (address_table + i + 16, 4);
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print_dwarf_vma (low, 8);
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print_dwarf_vma (high, 8);
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printf (_("%u\n"), cu_index);
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}
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printf (_("\nSymbol table:\n"));
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for (i = 0; i < symbol_table_slots; ++i)
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{
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uint32_t name_offset = byte_get_little_endian (symbol_table + i * 8, 4);
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uint32_t cu_vector_offset = byte_get_little_endian (symbol_table + i * 8 + 4, 4);
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uint32_t num_cus, cu;
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if (name_offset != 0
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|| cu_vector_offset != 0)
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{
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unsigned int j;
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printf ("[%3u] %s:", i, constant_pool + name_offset);
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num_cus = byte_get_little_endian (constant_pool + cu_vector_offset, 4);
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for (j = 0; j < num_cus; ++j)
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{
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cu = byte_get_little_endian (constant_pool + cu_vector_offset + 4 + j * 4, 4);
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/* Convert to TU number if it's for a type unit. */
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if (cu >= cu_list_elements)
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printf (" T%u", cu - cu_list_elements);
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else
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printf (" %u", cu);
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}
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printf ("\n");
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}
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}
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return 1;
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}
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static int
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display_debug_not_supported (struct dwarf_section *section,
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void *file ATTRIBUTE_UNUSED)
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@ -4965,6 +5096,8 @@ dwarf_select_sections_by_names (const char *names)
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with earlier versions of readelf. */
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{ "ranges", & do_debug_aranges, 1 },
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{ "str", & do_debug_str, 1 },
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/* The special .gdb_index section. */
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{ "gdb_index", & do_gdb_index, 1 },
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/* These trace_* sections are used by Itanium VMS. */
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{ "trace_abbrev", & do_trace_abbrevs, 1 },
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{ "trace_aranges", & do_trace_aranges, 1 },
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@ -5089,6 +5222,7 @@ dwarf_select_sections_all (void)
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do_debug_macinfo = 1;
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do_debug_str = 1;
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do_debug_loc = 1;
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do_gdb_index = 1;
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do_trace_info = 1;
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do_trace_abbrevs = 1;
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do_trace_aranges = 1;
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@ -5128,6 +5262,8 @@ struct dwarf_section_display debug_displays[] =
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display_debug_types, &do_debug_info, 1 },
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{ { ".debug_weaknames", ".zdebug_weaknames", NULL, NULL, 0, 0 },
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display_debug_not_supported, NULL, 0 },
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{ { ".gdb_index", "", NULL, NULL, 0, 0 },
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display_gdb_index, &do_gdb_index, 0 },
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{ { ".trace_info", "", NULL, NULL, 0, 0 },
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display_trace_info, &do_trace_info, 1 },
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{ { ".trace_abbrev", "", NULL, NULL, 0, 0 },
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@ -107,6 +107,7 @@ extern int do_debug_frames_interp;
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extern int do_debug_macinfo;
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extern int do_debug_str;
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extern int do_debug_loc;
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extern int do_gdb_index;
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extern int do_trace_info;
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extern int do_trace_abbrevs;
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extern int do_trace_aranges;
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@ -207,7 +207,7 @@ usage (FILE *stream, int status)
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-W[lLiaprmfFsoRt] or\n\
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--dwarf[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,\n\
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=frames-interp,=str,=loc,=Ranges,=pubtypes,\n\
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=trace_info,=trace_abbrev,=trace_aranges]\n\
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=gdb_index,=trace_info,=trace_abbrev,=trace_aranges]\n\
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Display DWARF info in the file\n\
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-t, --syms Display the contents of the symbol table(s)\n\
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-T, --dynamic-syms Display the contents of the dynamic symbol table\n\
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@ -3141,7 +3141,7 @@ usage (FILE * stream)
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-w[lLiaprmfFsoRt] or\n\
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--debug-dump[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,\n\
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=frames-interp,=str,=loc,=Ranges,=pubtypes,\n\
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=trace_info,=trace_abbrev,=trace_aranges]\n\
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=gdb_index,=trace_info,=trace_abbrev,=trace_aranges]\n\
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Display the contents of DWARF2 debug sections\n"));
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#ifdef SUPPORT_DISASSEMBLY
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fprintf (stream, _("\
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@ -4564,6 +4564,8 @@ process_section_headers (FILE * file)
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request_dump_bynumber (i, DEBUG_DUMP);
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else if (do_debug_frames && streq (name, ".eh_frame"))
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request_dump_bynumber (i, DEBUG_DUMP);
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else if (do_gdb_index && streq (name, ".gdb_index"))
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request_dump_bynumber (i, DEBUG_DUMP);
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/* Trace sections for Itanium VMS. */
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else if ((do_debugging || do_trace_info || do_trace_abbrevs
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|| do_trace_aranges)
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