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-rw-r--r--bfd/ChangeLog13
-rw-r--r--bfd/elf64-x86-64.c143
2 files changed, 67 insertions, 89 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 4e3860d..f9cc5e3 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,12 @@
+2001-04-27 Andreas Jaeger <aj@suse.de>
+
+ * elf64-x86-64.c (elf64_x86_64_finish_dynamic_sections): Only swap
+ out handled entries.
+ (elf64_x86_64_finish_dynamic_symbol): Set up GOT entries.
+ (elf64_x86_64_relocate_section): Fix GOTPCREL calculation.
+ (elf64_x86_64_relocate_section): Merge entries for GOTPCREL and
+ GOT32.
+
2001-04-27 Sean McNeil <sean@mcneil.com>
* config.bfd: Add arm-vxworks target.
@@ -48,12 +57,12 @@
(cpu-openrisc.lo, elf32-openrisc.lo): New rules.
* Makefile.in: Regenerated.
* config.bfd: (openrisc-*-elf): New target.
- * configure.in (bfd_elf32_openrisc_vec): New vector.
+ * configure.in (bfd_elf32_openrisc_vec): New vector.
* configure: Regenerated.
* libbfd.h: Regenerated.
* bfd-in2.h: Regenerated.
* reloc.c: Add OpenRISC relocations.
- * targets.c (bfd_elf32_openrisc_vec): Declare.
+ * targets.c (bfd_elf32_openrisc_vec): Declare.
(bfd_target_vect): Add bfd_elf32_openrisc_vec.
* archures.c (enum bfd_architecture): Add bfd_arch_openrisc.
(bfd_openrisc_arch): Declare.
diff --git a/bfd/elf64-x86-64.c b/bfd/elf64-x86-64.c
index 912f666..f23e06c 100644
--- a/bfd/elf64-x86-64.c
+++ b/bfd/elf64-x86-64.c
@@ -1321,92 +1321,10 @@ elf64_x86_64_relocate_section (output_bfd, info, input_bfd, input_section,
case R_X86_64_GOT32:
/* Relocation is to the entry for this symbol in the global
offset table. */
- BFD_ASSERT (sgot != NULL);
-
- if (h != NULL)
- {
- bfd_vma off = h->got.offset;
- BFD_ASSERT (off != (bfd_vma) -1);
-
- if (! elf_hash_table (info)->dynamic_sections_created
- || (info->shared
- && (info->symbolic || h->dynindx == -1)
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)))
- {
- /* This is actually a static link, or it is a -Bsymbolic
- link and the symbol is defined locally, or the symbol
- was forced to be local because of a version file. We
- must initialize this entry in the global offset table.
- Since the offset must always be a multiple of 8, we
- use the least significant bit to record whether we
- have initialized it already.
-
- When doing a dynamic link, we create a .rela.got
- relocation entry to initialize the value. This is
- done in the finish_dynamic_symbol routine. */
- if ((off & 1) != 0)
- off &= ~1;
- else
- {
- bfd_put_64 (output_bfd, relocation,
- sgot->contents + off);
- h->got.offset |= 1;
- }
- }
- relocation = sgot->output_offset + off;
- }
- else
- {
- bfd_vma off;
-
- BFD_ASSERT (local_got_offsets != NULL
- && local_got_offsets[r_symndx] != (bfd_vma) -1);
-
- off = local_got_offsets[r_symndx];
-
- /* The offset must always be a multiple of 8. We use
- the least significant bit to record whether we have
- already generated the necessary reloc. */
- if ((off & 1) != 0)
- off &= ~1;
- else
- {
- bfd_put_64 (output_bfd, relocation, sgot->contents + off);
-
- if (info->shared)
- {
- asection *srelgot;
- Elf_Internal_Rela outrel;
-
- /* We need to generate a R_X86_64_RELATIVE reloc
- for the dynamic linker. */
- srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
- BFD_ASSERT (srelgot != NULL);
-
- outrel.r_offset = (sgot->output_section->vma
- + sgot->output_offset
- + off);
- outrel.r_info = ELF64_R_INFO (0, R_X86_64_RELATIVE);
- outrel.r_addend = relocation;
- bfd_elf64_swap_reloca_out (output_bfd, &outrel,
- (((Elf64_External_Rela *)
- srelgot->contents)
- + srelgot->reloc_count));
- ++srelgot->reloc_count;
- }
-
- local_got_offsets[r_symndx] |= 1;
- }
-
- relocation = sgot->output_offset + off;
- }
-
- break;
-
case R_X86_64_GOTPCREL:
/* Use global offset table as symbol value. */
-
BFD_ASSERT (sgot != NULL);
+
if (h != NULL)
{
bfd_vma off = h->got.offset;
@@ -1437,7 +1355,10 @@ elf64_x86_64_relocate_section (output_bfd, info, input_bfd, input_section,
h->got.offset |= 1;
}
}
- relocation = sgot->output_offset + off;
+ if (r_type == R_X86_64_GOTPCREL)
+ relocation = sgot->output_section->vma + sgot->output_offset + off;
+ else
+ relocation = sgot->output_offset + off;
}
else
{
@@ -1482,7 +1403,10 @@ elf64_x86_64_relocate_section (output_bfd, info, input_bfd, input_section,
local_got_offsets[r_symndx] |= 1;
}
- relocation = sgot->output_section->vma + off;
+ if (r_type == R_X86_64_GOTPCREL)
+ relocation = sgot->output_section->vma + sgot->output_offset + off;
+ else
+ relocation = sgot->output_offset + off;
}
break;
@@ -1769,6 +1693,52 @@ elf64_x86_64_finish_dynamic_symbol (output_bfd, info, h, sym)
}
}
+ if (h->got.offset != (bfd_vma) -1)
+ {
+ asection *sgot;
+ asection *srela;
+ Elf_Internal_Rela rela;
+
+ /* This symbol has an entry in the global offset table. Set it
+ up. */
+
+ sgot = bfd_get_section_by_name (dynobj, ".got");
+ srela = bfd_get_section_by_name (dynobj, ".rela.got");
+ BFD_ASSERT (sgot != NULL && srela != NULL);
+
+ rela.r_offset = (sgot->output_section->vma
+ + sgot->output_offset
+ + (h->got.offset &~ 1));
+
+ /* If this is a static link, or it is a -Bsymbolic link and the
+ symbol is defined locally or was forced to be local because
+ of a version file, we just want to emit a RELATIVE reloc.
+ The entry in the global offset table will already have been
+ initialized in the relocate_section function. */
+ if (! elf_hash_table (info)->dynamic_sections_created
+ || (info->shared
+ && (info->symbolic || h->dynindx == -1)
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)))
+ {
+ rela.r_info = ELF64_R_INFO (0, R_X86_64_RELATIVE);
+ rela.r_addend = (h->root.u.def.value
+ + h->root.u.def.section->output_section->vma
+ + h->root.u.def.section->output_offset);
+ }
+ else
+ {
+ BFD_ASSERT((h->got.offset & 1) == 0);
+ bfd_put_64 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
+ rela.r_info = ELF64_R_INFO (h->dynindx, R_X86_64_GLOB_DAT);
+ rela.r_addend = 0;
+ }
+
+ bfd_elf64_swap_reloca_out (output_bfd, &rela,
+ ((Elf64_External_Rela *) srela->contents
+ + srela->reloc_count));
+ ++srela->reloc_count;
+ }
+
if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
{
asection *s;
@@ -1840,7 +1810,7 @@ elf64_x86_64_finish_dynamic_sections (output_bfd, info)
switch (dyn.d_tag)
{
default:
- break;
+ continue;
case DT_PLTGOT:
name = ".got";
@@ -1878,7 +1848,6 @@ elf64_x86_64_finish_dynamic_sections (output_bfd, info)
(s->_cooked_size != 0 ? s->_cooked_size : s->_raw_size);
break;
}
-
bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
}
generated by cgit v1.1 at 2024-09-15 12:18:00 +0000