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Check invalid x32 relocations.

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2011-01-15  H.J. Lu  <hongjiu.lu@intel.com>

	* elf64-x86-64.c (elf_x86_64_check_relocs): Check invalid x32
	relocations.
This commit is contained in:
H.J. Lu 2011-01-15 15:49:48 +00:00
parent 7f56bc95d6
commit d1534d1688
2 changed files with 38 additions and 0 deletions
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5
bfd/ChangeLog
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@ -1,3 +1,8 @@
2011-01-15 H.J. Lu <hongjiu.lu@intel.com>
* elf64-x86-64.c (elf_x86_64_check_relocs): Check invalid x32
relocations.
2011-01-14 H.J. Lu <hongjiu.lu@intel.com>
* elf64-x86-64.c (elf_x86_64_link_hash_table): Add pointer_r_type.

33
bfd/elf64-x86-64.c
View file

@ -1179,6 +1179,39 @@ elf_x86_64_check_relocs (bfd *abfd, struct bfd_link_info *info,
h = (struct elf_link_hash_entry *) h->root.u.i.link;
}
/* Check invalid x32 relocations. */
if (!ABI_64_P (abfd))
switch (r_type)
{
default:
break;
case R_X86_64_64:
case R_X86_64_DTPOFF64:
case R_X86_64_TPOFF64:
case R_X86_64_PC64:
case R_X86_64_GOTOFF64:
case R_X86_64_GOT64:
case R_X86_64_GOTPCREL64:
case R_X86_64_GOTPC64:
case R_X86_64_GOTPLT64:
case R_X86_64_PLTOFF64:
{
if (h)
name = h->root.root.string;
else
name = bfd_elf_sym_name (abfd, symtab_hdr, isym,
NULL);
(*_bfd_error_handler)
(_("%B: relocation %s against symbol `%s' isn't "
"supported in x32 mode"), abfd,
x86_64_elf_howto_table[r_type].name, name);
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
break;
}
if (h != NULL)
{
/* Create the ifunc sections for static executables. If we