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* elfxx-mips.c (mips_elf_next_relocation): Don't signal an error if no

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matching relocation is found.
	(_bfd_mips_elf_relocate_section): Only warn about missing relocations.
This commit is contained in:
Thiemo Seufer 2007-03-26 10:29:35 +00:00
parent 382a778ec3
commit 2d82d84d7d
2 changed files with 34 additions and 21 deletions
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6
bfd/ChangeLog
View File

@ -1,3 +1,9 @@
2007-03-26 Thiemo Seufer <ths@mips.com>
* elfxx-mips.c (mips_elf_next_relocation): Don't signal an error if no
matching relocation is found.
(_bfd_mips_elf_relocate_section): Only warn about missing relocations.
2003-03-23 H.J. Lu <hongjiu.lu@intel.com>
* configure: Regenerated.

49
bfd/elfxx-mips.c
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@ -3615,7 +3615,6 @@ mips_elf_next_relocation (bfd *abfd ATTRIBUTE_UNUSED, unsigned int r_type,
}
/* We didn't find it. */
bfd_set_error (bfd_error_bad_value);
return NULL;
}
@ -7857,10 +7856,8 @@ _bfd_mips_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
&& mips_elf_local_relocation_p (input_bfd, rel,
local_sections, FALSE)))
{
bfd_vma l;
const Elf_Internal_Rela *lo16_relocation;
reloc_howto_type *lo16_howto;
bfd_byte *lo16_location;
int lo16_type;
if (r_type == R_MIPS16_HI16)
@ -7883,7 +7880,12 @@ _bfd_mips_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
several relocations for the same address. In
that case, the R_MIPS_LO16 relocation may occur
as one of these. We permit a similar extension
in general, as that is useful for GCC. */
in general, as that is useful for GCC.
In some cases GCC dead code elimination removes
the LO16 but keeps the corresponding HI16. This
is strictly speaking a violation of the ABI but
not immediately harmful. */
lo16_relocation = mips_elf_next_relocation (input_bfd,
lo16_type,
rel, relend);
@ -7901,28 +7903,33 @@ _bfd_mips_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
(_("%B: Can't find matching LO16 reloc against `%s' for %s at 0x%lx in section `%A'"),
input_bfd, input_section, name, howto->name,
rel->r_offset);
return FALSE;
}
else
{
bfd_byte *lo16_location;
bfd_vma l;
lo16_location = contents + lo16_relocation->r_offset;
lo16_location = contents + lo16_relocation->r_offset;
/* Obtain the addend kept there. */
lo16_howto = MIPS_ELF_RTYPE_TO_HOWTO (input_bfd,
lo16_type, FALSE);
_bfd_mips16_elf_reloc_unshuffle (input_bfd, lo16_type, FALSE,
lo16_location);
l = mips_elf_obtain_contents (lo16_howto, lo16_relocation,
input_bfd, contents);
_bfd_mips16_elf_reloc_shuffle (input_bfd, lo16_type, FALSE,
lo16_location);
l &= lo16_howto->src_mask;
l <<= lo16_howto->rightshift;
l = _bfd_mips_elf_sign_extend (l, 16);
/* Obtain the addend kept there. */
lo16_howto = MIPS_ELF_RTYPE_TO_HOWTO (input_bfd,
lo16_type, FALSE);
_bfd_mips16_elf_reloc_unshuffle (input_bfd, lo16_type,
FALSE, lo16_location);
l = mips_elf_obtain_contents (lo16_howto,
lo16_relocation,
input_bfd, contents);
_bfd_mips16_elf_reloc_shuffle (input_bfd, lo16_type,
FALSE, lo16_location);
l &= lo16_howto->src_mask;
l <<= lo16_howto->rightshift;
l = _bfd_mips_elf_sign_extend (l, 16);
addend <<= 16;
addend <<= 16;
/* Compute the combined addend. */
addend += l;
/* Compute the combined addend. */
addend += l;
}
}
else
addend <<= howto->rightshift;