Fix snafu parsing GNU_BUILD_NOTEs on ARM and AArch64 architectures.

* readelf.c (print_gnu_build_attribute_description): Use global
	symbols for OPEN attributes if at all possible.
This commit is contained in:
Nick Clifton 2017-03-02 10:52:51 +00:00
parent b451e98a90
commit c871dadee1
2 changed files with 25 additions and 2 deletions

View File

@ -1,3 +1,8 @@
2017-03-02 Nick Clifton <nickc@redhat.com>
* readelf.c (print_gnu_build_attribute_description): Use global
symbols for OPEN attributes if at all possible.
2017-03-02 Jan Kratochvil <jan.kratochvil@redhat.com>
* dwarf.c (debug_displays_assert): New static assertion.

View File

@ -16585,6 +16585,7 @@ print_gnu_build_attribute_description (Elf_Internal_Note * pnote,
for (i = 0; i < pnote->descsz; i += desc_size)
{
Elf_Internal_Sym * saved_sym = NULL;
Elf_Internal_Sym * sym;
unsigned long offset;
@ -16609,8 +16610,19 @@ print_gnu_build_attribute_description (Elf_Internal_Note * pnote,
{
if (strtab[sym->st_name] == 0)
continue;
if (pnote->type == NT_GNU_BUILD_ATTRIBUTE_OPEN)
printf (_(" (file: %s)"), strtab + sym->st_name);
{
/* For OPEN attributes we prefer GLOBAL symbols, if there
is one that matches. But keep a record of a matching
LOCAL symbol, just in case that is all that we can find. */
if (ELF_ST_BIND (sym->st_info) == STB_LOCAL)
{
saved_sym = sym;
continue;
}
printf (_(" (file: %s)"), strtab + sym->st_name);
}
else if (ELF_ST_TYPE (sym->st_info) != STT_FUNC)
continue;
else
@ -16618,8 +16630,14 @@ print_gnu_build_attribute_description (Elf_Internal_Note * pnote,
break;
}
}
if (sym == symtab + nsyms)
printf (_(" (<symbol name unknown>)"));
{
if (saved_sym)
printf (_(" (file: %s)"), strtab + saved_sym->st_name);
else
printf (_(" (<symbol name unknown>)"));
}
}
printf ("\n");