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| author | Jason Eckhardt <jle@rice.edu> | 2000-08-16 21:58:55 +0000 |
|---|---|---|
| committer | Jason Eckhardt <jle@rice.edu> | 2000-08-16 21:58:55 +0000 |
| commit | d670a150a1aa97f5b0a1e8e03184f7390a558310 (patch) | |
| tree | e23f39121286033b60355d8d225d1ae184a953d3 /bfd/elf32-i860.c | |
| parent | f869cfc65e6ade7ba206cd5229787f55735aa79f (diff) | |
| download | gdb-d670a150a1aa97f5b0a1e8e03184f7390a558310.zip gdb-d670a150a1aa97f5b0a1e8e03184f7390a558310.tar.gz gdb-d670a150a1aa97f5b0a1e8e03184f7390a558310.tar.bz2 | |
2000-08-16 Jason Eckhardt <jle@cygnus.com>
* elf32-i860.c (elf32_i860_relocate_pc16): Implemented function (it
was previously just a stub).
Diffstat (limited to 'bfd/elf32-i860.c')
| -rw-r--r-- | bfd/elf32-i860.c | 40 |
1 files changed, 30 insertions, 10 deletions
diff --git a/bfd/elf32-i860.c b/bfd/elf32-i860.c index 40dd5f2..bc10093 100644 --- a/bfd/elf32-i860.c +++ b/bfd/elf32-i860.c @@ -39,10 +39,8 @@ static void elf32_i860_info_to_howto_rela static bfd_reloc_status_type elf32_i860_relocate_splitn PARAMS ((bfd *, Elf_Internal_Rela *, bfd_byte *, bfd_vma)); -#if 0 static bfd_reloc_status_type elf32_i860_relocate_pc16 - PARAMS ((bfd *, Elf_Internal_Rela *, bfd_byte *, bfd_vma)); -#endif + PARAMS ((bfd *, asection *, Elf_Internal_Rela *, bfd_byte *, bfd_vma)); static bfd_reloc_status_type elf32_i860_relocate_highadj PARAMS ((bfd *, Elf_Internal_Rela *, bfd_byte *, bfd_vma)); @@ -733,19 +731,43 @@ elf32_i860_relocate_splitn (input_bfd, rello, contents, value) } -#if 0 /* Specialized relocation handler for R_860_PC16. This relocation involves a 16-bit, PC-relative field that is split into two contiguous parts. */ static bfd_reloc_status_type -elf32_i860_relocate_pc16 (input_bfd, rello, contents, value) +elf32_i860_relocate_pc16 (input_bfd, input_section, rello, contents, value) bfd *input_bfd; + asection *input_section; Elf_Internal_Rela *rello; bfd_byte *contents; bfd_vma value; { + bfd_vma insn, t; + reloc_howto_type *howto; + howto = lookup_howto (ELF32_R_TYPE (rello->r_info)); + insn = bfd_get_32 (input_bfd, contents + rello->r_offset); + + /* Adjust for PC-relative relocation. */ + value -= (input_section->output_section->vma + + input_section->output_offset); + value -= rello->r_offset; + + /* Remove encode bits and intervening bits. Then concatenate the + two fields into one 16-bit quantity. */ + t = (insn & howto->src_mask); + t = ((t >> 5) & 0xf8) | (t & 0x7ff); + + /* Relocate. */ + value += (rello->r_addend + t); + + /* Separate the fields and re-insert. */ + value = (((value & 0xf8) << 5) | (value & 0x7ff)) & howto->dst_mask; + insn = (insn & ~howto->dst_mask) | value; + + bfd_put_32 (input_bfd, insn, contents + rello->r_offset); + return bfd_reloc_ok; + } -#endif /* Specialized relocation handler for R_860_HIGHADJ. */ @@ -948,12 +970,10 @@ elf32_i860_relocate_section (output_bfd, info, input_bfd, input_section, relocation); break; -#if 0 case R_860_PC16: - r = elf32_i860_relocate_pc16 (input_bfd, rel, contents, - relocation); + r = elf32_i860_relocate_pc16 (input_bfd, input_section, rel, + contents, relocation); break; -#endif case R_860_SPLIT0: case R_860_SPLIT1: |