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Diffstat (limited to 'bfd/elf64-sparc.c')
-rw-r--r--bfd/elf64-sparc.c70
1 files changed, 41 insertions, 29 deletions
diff --git a/bfd/elf64-sparc.c b/bfd/elf64-sparc.c
index 4224310..905890e 100644
--- a/bfd/elf64-sparc.c
+++ b/bfd/elf64-sparc.c
@@ -1,6 +1,6 @@
/* SPARC-specific support for 64-bit ELF
Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
- 2003 Free Software Foundation, Inc.
+ 2003, 2004 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
@@ -61,7 +61,7 @@ static bfd_boolean sparc64_elf_size_dynamic_sections
static int sparc64_elf_get_symbol_type
PARAMS (( Elf_Internal_Sym *, int));
static bfd_boolean sparc64_elf_add_symbol_hook
- PARAMS ((bfd *, struct bfd_link_info *, const Elf_Internal_Sym *,
+ PARAMS ((bfd *, struct bfd_link_info *, Elf_Internal_Sym *,
const char **, flagword *, asection **, bfd_vma *));
static bfd_boolean sparc64_elf_output_arch_syms
PARAMS ((bfd *, struct bfd_link_info *, PTR,
@@ -1178,7 +1178,7 @@ sparc64_elf_check_relocs (abfd, info, sec, relocs)
/* Make sure this symbol is output as a dynamic symbol. */
if (h->dynindx == -1)
{
- if (! bfd_elf64_link_record_dynamic_symbol (info, h))
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
@@ -1261,7 +1261,7 @@ sparc64_elf_check_relocs (abfd, info, sec, relocs)
/* Make sure this symbol is output as a dynamic symbol. */
if (h->dynindx == -1)
{
- if (! bfd_elf64_link_record_dynamic_symbol (info, h))
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
return FALSE;
}
@@ -1385,7 +1385,7 @@ static bfd_boolean
sparc64_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
bfd *abfd;
struct bfd_link_info *info;
- const Elf_Internal_Sym *sym;
+ Elf_Internal_Sym *sym;
const char **namep;
flagword *flagsp ATTRIBUTE_UNUSED;
asection **secp ATTRIBUTE_UNUSED;
@@ -1876,7 +1876,7 @@ sparc64_elf_size_dynamic_sections (output_bfd, info)
the .dynamic section. The DT_DEBUG entry is filled in by the
dynamic linker and used by the debugger. */
#define add_dynamic_entry(TAG, VAL) \
- bfd_elf64_add_dynamic_entry (info, (bfd_vma) (TAG), (bfd_vma) (VAL))
+ _bfd_elf_add_dynamic_entry (info, TAG, VAL)
int reg;
struct sparc64_elf_app_reg * app_regs;
@@ -1989,17 +1989,6 @@ sparc64_elf_relax_section (abfd, section, link_info, again)
return TRUE;
}
-/* This is the condition under which finish_dynamic_symbol will be called
- from elflink.h. If elflink.h doesn't call our finish_dynamic_symbol
- routine, we'll need to do something about initializing any .plt and
- .got entries in relocate_section. */
-#define WILL_CALL_FINISH_DYNAMIC_SYMBOL(DYN, INFO, H) \
- ((DYN) \
- && ((INFO)->shared \
- || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) \
- && ((H)->dynindx != -1 \
- || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0))
-
/* Relocate a SPARC64 ELF section. */
static bfd_boolean
@@ -2039,6 +2028,8 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section,
got_base = elf_hash_table (info)->hgot->root.u.def.value;
sgot = splt = sreloc = NULL;
+ if (dynobj != NULL)
+ splt = bfd_get_section_by_name (dynobj, ".plt");
rel = relocs;
relend = relocs + NUM_SHDR_ENTRIES (& elf_section_data (input_section)->rel_hdr);
@@ -2079,10 +2070,10 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section,
{
bfd_boolean warned;
- RELOC_FOR_GLOBAL_SYMBOL (h, sym_hashes, r_symndx,
- symtab_hdr, relocation, sec,
- unresolved_reloc, info,
- warned);
+ RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
+ r_symndx, symtab_hdr, sym_hashes,
+ h, sec, relocation,
+ unresolved_reloc, warned);
if (warned)
{
/* To avoid generating warning messages about truncated
@@ -2222,6 +2213,13 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section,
break;
}
+ /* FIXME: Dynamic reloc handling really needs to be rewritten. */
+ if (!skip
+ && h != NULL
+ && ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
+ && h->root.type == bfd_link_hash_undefweak)
+ skip = TRUE, relocate = TRUE;
+
if (skip)
memset (&outrel, 0, sizeof outrel);
/* h->dynindx may be -1 if the symbol was marked to
@@ -2327,7 +2325,7 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section,
BFD_ASSERT (off != (bfd_vma) -1);
dyn = elf_hash_table (info)->dynamic_sections_created;
- if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h)
+ if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
|| (info->shared
&& (info->symbolic
|| h->dynindx == -1
@@ -2420,7 +2418,7 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section,
procedure linkage table. */
BFD_ASSERT (h != NULL);
- if (h->plt.offset == (bfd_vma) -1)
+ if (h->plt.offset == (bfd_vma) -1 || splt == NULL)
{
/* We didn't make a PLT entry for this symbol. This
happens when statically linking PIC code, or when
@@ -2428,12 +2426,6 @@ sparc64_elf_relocate_section (output_bfd, info, input_bfd, input_section,
goto do_default;
}
- if (splt == NULL)
- {
- splt = bfd_get_section_by_name (dynobj, ".plt");
- BFD_ASSERT (splt != NULL);
- }
-
relocation = (splt->output_section->vma
+ splt->output_offset
+ sparc64_elf_plt_entry_offset (h->plt.offset));
@@ -3115,6 +3107,24 @@ sparc64_elf_object_p (abfd)
return bfd_default_set_arch_mach (abfd, bfd_arch_sparc, mach);
}
+/* Return address for Ith PLT stub in section PLT, for relocation REL
+ or (bfd_vma) -1 if it should not be included. */
+
+static bfd_vma
+sparc64_elf_plt_sym_val (bfd_vma i, const asection *plt,
+ const arelent *rel ATTRIBUTE_UNUSED)
+{
+ bfd_vma j;
+
+ i += PLT_HEADER_SIZE / PLT_ENTRY_SIZE;
+ if (i < LARGE_PLT_THRESHOLD)
+ return plt->vma + i * PLT_ENTRY_SIZE;
+
+ j = (i - LARGE_PLT_THRESHOLD) % 160;
+ i -= j;
+ return plt->vma + i * PLT_ENTRY_SIZE + j * 4 * 6;
+}
+
/* Relocations in the 64 bit SPARC ELF ABI are more complex than in
standard ELF, because R_SPARC_OLO10 has secondary addend in
ELF64_R_TYPE_DATA field. This structure is used to redirect the
@@ -3214,6 +3224,8 @@ const struct elf_size_info sparc64_elf_size_info =
sparc64_elf_merge_private_bfd_data
#define elf_backend_fake_sections \
sparc64_elf_fake_sections
+#define elf_backend_plt_sym_val \
+ sparc64_elf_plt_sym_val
#define elf_backend_size_info \
sparc64_elf_size_info
generated by cgit v1.1 at 2024-09-18 07:44:06 +0000