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PR 10072

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* elf32-arm.c (elf32_arm_final_link_relocate): Add code to handle
        to R_ARM_THM_PC8 relocation.
This commit is contained in:
Nick Clifton 2009-07-01 14:48:26 +00:00
parent 921e5f0a31
commit e1ec24c6f3
2 changed files with 40 additions and 0 deletions
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6
bfd/ChangeLog
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@ -1,3 +1,9 @@
2009-07-01 Nick Clifton <nickc@redhat.com>
PR 10072
* elf32-arm.c (elf32_arm_final_link_relocate): Add code to handle
to R_ARM_THM_PC8 relocation.
2009-06-29 Nick Clifton <nickc@redhat.com>
* elf-m10300.c (mn10300_elf_relax_section): Allow for the

34
bfd/elf32-arm.c
View file

@ -7178,6 +7178,40 @@ elf32_arm_final_link_relocate (reloc_howto_type * howto,
return bfd_reloc_ok;
}
case R_ARM_THM_PC8:
/* PR 10073: This reloc is not generated by the GNU toolchain,
but it is supported for compatibility with third party libraries
generated by other compilers, specifically the ARM/IAR. */
{
bfd_vma insn;
bfd_signed_vma relocation;
insn = bfd_get_16 (input_bfd, hit_data);
if (globals->use_rel)
addend = (insn & 0x00ff) << 2;
relocation = value + addend;
relocation -= (input_section->output_section->vma
+ input_section->output_offset
+ rel->r_offset);
value = abs (relocation);
/* We do not check for overflow of this reloc. Although strictly
speaking this is incorrect, it appears to be necessary in order
to work with IAR generated relocs. Since GCC and GAS do not
generate R_ARM_THM_PC8 relocs, the lack of a check should not be
a problem for them. */
value &= 0x3fc;
insn = (insn & 0xff00) | (value >> 2);
bfd_put_16 (input_bfd, insn, hit_data);
return bfd_reloc_ok;
}
case R_ARM_THM_PC12:
/* Corresponds to: ldr.w reg, [pc, #offset]. */
{