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objdump: add DWARF support for AIX

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DWARF sections have special names on AIX which need be handled
by objdump in order to correctly print them.
This patch also adds the correlation in bfd for future uses.

bfd/
	* libxcoff.h (struct xcoff_dwsect_name): Add DWARF name.
	* coff-rs6000.c (xcoff_dwsect_names): Update.
	* coffcode.h (sec_to_styp_flags): Likewise.
	(coff_new_section_hook): Likewise.
binutils/
	* dwarf.h (struct dwarf_section): Add XCOFF name.
	* dwarf.c (struct dwarf_section_display): Update.
	* objdump.c (load_debug_section): Add XCOFF name handler.
	(dump_dwarf_section): Likewise.
gas/
	* config/tc-ppc.c (ppc_change_debug_section): Update to
	match new name's field.
This commit is contained in:
Clément Chigot
2021-06-11 11:00:56 +02:00
committed by Alan Modra
parent be36c6e337
commit 51d29b8cac
10 changed files with 99 additions and 65 deletions
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14
binutils/objdump.c
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@ -3718,7 +3718,6 @@ load_debug_section (enum dwarf_section_display_enum debug, void *file)
if (streq (section->filename, bfd_get_filename (abfd)))
return true;
}
/* Locate the debug section. */
sec = bfd_get_section_by_name (abfd, section->uncompressed_name);
if (sec != NULL)
@ -3728,6 +3727,12 @@ load_debug_section (enum dwarf_section_display_enum debug, void *file)
sec = bfd_get_section_by_name (abfd, section->compressed_name);
if (sec != NULL)
section->name = section->compressed_name;
else
{
sec = bfd_get_section_by_name (abfd, section->xcoff_name);
if (sec != NULL)
section->name = section->xcoff_name;
}
}
if (sec == NULL)
return false;
@ -3811,7 +3816,8 @@ dump_dwarf_section (bfd *abfd, asection *section,
for (i = 0; i < max; i++)
if ((strcmp (debug_displays [i].section.uncompressed_name, match) == 0
|| strcmp (debug_displays [i].section.compressed_name, match) == 0)
|| strcmp (debug_displays [i].section.compressed_name, match) == 0
|| strcmp (debug_displays [i].section.xcoff_name, match) == 0)
&& debug_displays [i].enabled != NULL
&& *debug_displays [i].enabled)
{
@ -3819,8 +3825,10 @@ dump_dwarf_section (bfd *abfd, asection *section,
if (strcmp (sec->uncompressed_name, match) == 0)
sec->name = sec->uncompressed_name;
else
else if (strcmp (sec->compressed_name, match) == 0)
sec->name = sec->compressed_name;
else
sec->name = sec->xcoff_name;
if (load_specific_debug_section ((enum dwarf_section_display_enum) i,
section, abfd))
{