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| author | Richard Henderson <rth@redhat.com> | 1997-10-23 21:16:43 +0000 |
|---|---|---|
| committer | Richard Henderson <rth@redhat.com> | 1997-10-23 21:16:43 +0000 |
| commit | d87ad0dc2f1de29d71e88e2a2f9667b38144c8ad (patch) | |
| tree | 87b33e3570a6253f407104a1c157114dd5b9862d /bfd/elf64-sparc.c | |
| parent | 2b3ce0b3c4e9400ca27a7b0652eb29c6d56f752f (diff) | |
| download | gdb-d87ad0dc2f1de29d71e88e2a2f9667b38144c8ad.zip gdb-d87ad0dc2f1de29d71e88e2a2f9667b38144c8ad.tar.gz gdb-d87ad0dc2f1de29d71e88e2a2f9667b38144c8ad.tar.bz2 | |
* elf64-sparc.c (sparc64_elf_howto_table): Add UA64 & UA16.
(sparc64_elf_check_relocs): Handle them.
(sparc64_elf_relocate_section): Likewise. Before emitting a dyn reloc,
check alignment and transmute R_SPARC_x<->R_SPARC_UAx.
Diffstat (limited to 'bfd/elf64-sparc.c')
| -rw-r--r-- | bfd/elf64-sparc.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/bfd/elf64-sparc.c b/bfd/elf64-sparc.c index c2a8a8a..a579ba4 100644 --- a/bfd/elf64-sparc.c +++ b/bfd/elf64-sparc.c @@ -121,7 +121,9 @@ static reloc_howto_type sparc64_elf_howto_table[] = HOWTO(R_SPARC_H44, 22,2,22,false,0,complain_overflow_unsigned,bfd_elf_generic_reloc, "R_SPARC_H44", false,0,0x003fffff,false), HOWTO(R_SPARC_M44, 12,2,10,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_M44", false,0,0x000003ff,false), HOWTO(R_SPARC_L44, 0,2,13,false,0,complain_overflow_dont, bfd_elf_generic_reloc, "R_SPARC_L44", false,0,0x00000fff,false), - HOWTO(R_SPARC_REGISTER, 0,4, 0,false,0,complain_overflow_bitfield,sparc_elf_notsup_reloc, "R_SPARC_REGISTER",false,0,MINUS_ONE, false) + HOWTO(R_SPARC_REGISTER, 0,4, 0,false,0,complain_overflow_bitfield,sparc_elf_notsup_reloc, "R_SPARC_REGISTER",false,0,MINUS_ONE, false), + HOWTO(R_SPARC_UA64, 0,4,64,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA64", false,0,MINUS_ONE, true), + HOWTO(R_SPARC_UA16, 0,1,16,false,0,complain_overflow_bitfield,bfd_elf_generic_reloc, "R_SPARC_UA16", false,0,0x0000ffff,true) }; struct elf_reloc_map { @@ -883,6 +885,8 @@ sparc64_elf_check_relocs (abfd, info, sec, relocs) case R_SPARC_H44: case R_SPARC_M44: case R_SPARC_L44: + case R_SPARC_UA64: + case R_SPARC_UA16: /* When creating a shared object, we must copy these relocs into the output file. We create a reloc section in dynobj and make room for the reloc. @@ -1495,6 +1499,8 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, case R_SPARC_H44: case R_SPARC_M44: case R_SPARC_L44: + case R_SPARC_UA64: + case R_SPARC_UA16: if (info->shared && ((!info->symbolic && h->dynindx != -1) || !(h->elf_link_hash_flags @@ -1580,6 +1586,8 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, case R_SPARC_H44: case R_SPARC_M44: case R_SPARC_L44: + case R_SPARC_UA64: + case R_SPARC_UA16: { Elf_Internal_Rela outrel; boolean skip; @@ -1625,6 +1633,30 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section, outrel.r_offset += (input_section->output_section->vma + input_section->output_offset); + /* Optimize unaligned reloc usage now that we know where + it finally resides. */ + switch (r_type) + { + case R_SPARC_16: + if (outrel.r_offset & 1) r_type = R_SPARC_UA16; + break; + case R_SPARC_UA16: + if (!(outrel.r_offset & 1)) r_type = R_SPARC_16; + break; + case R_SPARC_32: + if (outrel.r_offset & 3) r_type = R_SPARC_UA32; + break; + case R_SPARC_UA32: + if (!(outrel.r_offset & 3)) r_type = R_SPARC_32; + break; + case R_SPARC_64: + if (outrel.r_offset & 7) r_type = R_SPARC_UA64; + break; + case R_SPARC_UA64: + if (!(outrel.r_offset & 7)) r_type = R_SPARC_64; + break; + } + if (skip) memset (&outrel, 0, sizeof outrel); /* h->dynindx may be -1 if the symbol was marked to |