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authorRichard Sandiford <rsandifo@nildram.co.uk>2006-03-14 07:47:49 +0000
committerRichard Sandiford <rsandifo@nildram.co.uk>2006-03-14 07:47:49 +0000
commitcd29cca9bf27b76243ac392af076ed5944760c6a (patch)
tree456ea9956d7b255052943d326c5c60ec80191ecb
parentfc852f846a7819e16496ef717750826afcfc503d (diff)
downloadgdb-cd29cca9bf27b76243ac392af076ed5944760c6a.tar.gz
bfd/
* elf32-mips.c (mips_elf_adjust_addend): New function, mostly split out from... (_bfd_mips_elf_relocate_section): ...here. Use it to adjust r_addend for final links too. ld/testsuite/ * ld-mips/emit-relocs-1a.s, ld-mips/emit-relocs-1b.s, * ld-mips/emit-relocs-1.ld, ld-mips/emit-relocs-1.d: New test. * ld-mips/mips-elf.exp: Run it.
-rw-r--r--bfd/ChangeLog7
-rw-r--r--bfd/elfxx-mips.c78
2 files changed, 53 insertions, 32 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 70ab5984603..5ede2eaa7fd 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,10 @@
+2006-03-14 Richard Sandiford <richard@codesourcery.com>
+
+ * elf32-mips.c (mips_elf_adjust_addend): New function, mostly split
+ out from...
+ (_bfd_mips_elf_relocate_section): ...here. Use it to adjust r_addend
+ for final links too.
+
2006-03-13 Richard Sandiford <richard@codesourcery.com>
* elfxx-mips.c (mips_elf_create_got_section): Initialize hgot.
diff --git a/bfd/elfxx-mips.c b/bfd/elfxx-mips.c
index 98974bde8a8..ea8820b6113 100644
--- a/bfd/elfxx-mips.c
+++ b/bfd/elfxx-mips.c
@@ -6934,6 +6934,48 @@ _bfd_mips_elf_size_dynamic_sections (bfd *output_bfd,
return TRUE;
}
+/* REL is a relocation in INPUT_BFD that is being copied to OUTPUT_BFD.
+ Adjust its R_ADDEND field so that it is correct for the output file.
+ LOCAL_SYMS and LOCAL_SECTIONS are arrays of INPUT_BFD's local symbols
+ and sections respectively; both use symbol indexes. */
+
+static void
+mips_elf_adjust_addend (bfd *output_bfd, struct bfd_link_info *info,
+ bfd *input_bfd, Elf_Internal_Sym *local_syms,
+ asection **local_sections, Elf_Internal_Rela *rel)
+{
+ unsigned int r_type, r_symndx;
+ Elf_Internal_Sym *sym;
+ asection *sec;
+
+ if (mips_elf_local_relocation_p (input_bfd, rel, local_sections, FALSE))
+ {
+ r_type = ELF_R_TYPE (output_bfd, rel->r_info);
+ if (r_type == R_MIPS16_GPREL
+ || r_type == R_MIPS_GPREL16
+ || r_type == R_MIPS_GPREL32
+ || r_type == R_MIPS_LITERAL)
+ {
+ rel->r_addend += _bfd_get_gp_value (input_bfd);
+ rel->r_addend -= _bfd_get_gp_value (output_bfd);
+ }
+
+ r_symndx = ELF_R_SYM (output_bfd, rel->r_info);
+ sym = local_syms + r_symndx;
+
+ /* Adjust REL's addend to account for section merging. */
+ if (!info->relocatable)
+ {
+ sec = local_sections[r_symndx];
+ _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
+ }
+
+ /* This would normally be done by the rela_normal code in elflink.c. */
+ if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
+ rel->r_addend += local_sections[r_symndx]->output_offset;
+ }
+}
+
/* Relocate a MIPS ELF section. */
bfd_boolean
@@ -7084,47 +7126,19 @@ _bfd_mips_elf_relocate_section (bfd *output_bfd, struct bfd_link_info *info,
}
else
addend = rel->r_addend;
+ mips_elf_adjust_addend (output_bfd, info, input_bfd,
+ local_syms, local_sections, rel);
}
if (info->relocatable)
{
- Elf_Internal_Sym *sym;
- unsigned long r_symndx;
-
if (r_type == R_MIPS_64 && ! NEWABI_P (output_bfd)
&& bfd_big_endian (input_bfd))
rel->r_offset -= 4;
- /* Since we're just relocating, all we need to do is copy
- the relocations back out to the object file, unless
- they're against a section symbol, in which case we need
- to adjust by the section offset, or unless they're GP
- relative in which case we need to adjust by the amount
- that we're adjusting GP in this relocatable object. */
-
- if (! mips_elf_local_relocation_p (input_bfd, rel, local_sections,
- FALSE))
- /* There's nothing to do for non-local relocations. */
- continue;
-
- if (r_type == R_MIPS16_GPREL
- || r_type == R_MIPS_GPREL16
- || r_type == R_MIPS_GPREL32
- || r_type == R_MIPS_LITERAL)
- addend -= (_bfd_get_gp_value (output_bfd)
- - _bfd_get_gp_value (input_bfd));
-
- r_symndx = ELF_R_SYM (output_bfd, rel->r_info);
- sym = local_syms + r_symndx;
- if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
- /* Adjust the addend appropriately. */
- addend += local_sections[r_symndx]->output_offset;
-
- if (rela_relocation_p)
- /* If this is a RELA relocation, just update the addend. */
- rel->r_addend = addend;
- else
+ if (!rela_relocation_p && rel->r_addend)
{
+ addend += rel->r_addend;
if (r_type == R_MIPS_HI16
|| r_type == R_MIPS_GOT16)
addend = mips_elf_high (addend);