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* 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.
This commit is contained in:
Richard Henderson 1997-10-23 21:16:43 +00:00
parent 2b3ce0b3c4
commit d87ad0dc2f
2 changed files with 40 additions and 1 deletions
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7
bfd/ChangeLog
View File

@ -1,3 +1,10 @@
Thu Oct 23 14:09:33 1997 Richard Henderson <rth@cygnus.com>
* 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.
Thu Oct 23 00:53:14 1997 Richard Henderson <rth@dot.cygnus.com>
* configure.in (sparc*-*-linux*): Use trad-core and ...

34
bfd/elf64-sparc.c
View File

@ -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