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authorIan Lance Taylor <ian@airs.com>1996-12-15 19:59:18 +0000
committerIan Lance Taylor <ian@airs.com>1996-12-15 19:59:18 +0000
commite35765a9a2eaff0df62757f3e6480c8ba5ab8ee8 (patch)
tree53ee31421fdd884963cf43049adaa55a2b828ba0 /bfd/elf.c
parentd31b72a3144f839485f928bc2ef9dc6b51e6c87e (diff)
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* elfcode.h (elf_slurp_reloc_table): Add dynamic parameter.
* elf.c (_bfd_elf_canonicalize_reloc): Pass new argument to slurp_reloc_table. (_bfd_elf_get_dynamic_reloc_upper_bound): New function. (_bfd_elf_canonicalize_dynamic_reloc): New function. * elf-bfd.h (struct elf_size_info): Update declaration of slurp_reloc_table. (_bfd_elf_get_dynamic_reloc_upper_bound): Declare. (_bfd_elf_canonicalize_dynamic_reloc): Declare. * elfxx-target.h: Use new dynamic reloc routines by default. * elf64-mips.c (mips_elf64_slurp_reloc_table): Add dynamic parameter.
Diffstat (limited to 'bfd/elf.c')
-rw-r--r--bfd/elf.c86
1 files changed, 85 insertions, 1 deletions
diff --git a/bfd/elf.c b/bfd/elf.c
index 73c60d3..94d953f 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -868,6 +868,7 @@ bfd_section_from_shdr (abfd, shindex)
if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name))
return false;
if (hdr->bfd_section != NULL
+ && hdr->sh_info > 0
&& bfd_section_from_shdr (abfd, hdr->sh_info))
{
target_sect = bfd_section_from_elf_index (abfd, hdr->sh_info);
@@ -3249,7 +3250,10 @@ _bfd_elf_canonicalize_reloc (abfd, section, relptr, symbols)
arelent *tblptr;
unsigned int i;
- if (! get_elf_backend_data (abfd)->s->slurp_reloc_table (abfd, section, symbols))
+ if (! get_elf_backend_data (abfd)->s->slurp_reloc_table (abfd,
+ section,
+ symbols,
+ false))
return -1;
tblptr = section->relocation;
@@ -3281,6 +3285,86 @@ _bfd_elf_canonicalize_dynamic_symtab (abfd, alocation)
return get_elf_backend_data (abfd)->s->slurp_symbol_table (abfd, alocation, true);
}
+/* Return the size required for the dynamic reloc entries. Any
+ section that was actually installed in the BFD, and has type
+ SHT_REL or SHT_RELA, and uses the dynamic symbol table, is
+ considered to be a dynamic reloc section. */
+
+long
+_bfd_elf_get_dynamic_reloc_upper_bound (abfd)
+ bfd *abfd;
+{
+ long ret;
+ asection *s;
+
+ if (elf_dynsymtab (abfd) == 0)
+ {
+ bfd_set_error (bfd_error_invalid_operation);
+ return -1;
+ }
+
+ ret = sizeof (arelent *);
+ for (s = abfd->sections; s != NULL; s = s->next)
+ if (elf_section_data (s)->this_hdr.sh_link == elf_dynsymtab (abfd)
+ && (elf_section_data (s)->this_hdr.sh_type == SHT_REL
+ || elf_section_data (s)->this_hdr.sh_type == SHT_RELA))
+ ret += ((s->_raw_size / elf_section_data (s)->this_hdr.sh_entsize)
+ * sizeof (arelent *));
+
+ return ret;
+}
+
+/* Canonicalize the dynamic relocation entries. Note that we return
+ the dynamic relocations as a single block, although they are
+ actually associated with particular sections; the interface, which
+ was designed for SunOS style shared libraries, expects that there
+ is only one set of dynamic relocs. Any section that was actually
+ installed in the BFD, and has type SHT_REL or SHT_RELA, and uses
+ the dynamic symbol table, is considered to be a dynamic reloc
+ section. */
+
+long
+_bfd_elf_canonicalize_dynamic_reloc (abfd, storage, syms)
+ bfd *abfd;
+ arelent **storage;
+ asymbol **syms;
+{
+ boolean (*slurp_relocs) PARAMS ((bfd *, asection *, asymbol **, boolean));
+ asection *s;
+ long ret;
+
+ if (elf_dynsymtab (abfd) == 0)
+ {
+ bfd_set_error (bfd_error_invalid_operation);
+ return -1;
+ }
+
+ slurp_relocs = get_elf_backend_data (abfd)->s->slurp_reloc_table;
+ ret = 0;
+ for (s = abfd->sections; s != NULL; s = s->next)
+ {
+ if (elf_section_data (s)->this_hdr.sh_link == elf_dynsymtab (abfd)
+ && (elf_section_data (s)->this_hdr.sh_type == SHT_REL
+ || elf_section_data (s)->this_hdr.sh_type == SHT_RELA))
+ {
+ arelent *p;
+ long count, i;
+
+ if (! (*slurp_relocs) (abfd, s, syms, true))
+ return -1;
+ count = s->_raw_size / elf_section_data (s)->this_hdr.sh_entsize;
+ p = s->relocation;
+ for (i = 0; i < count; i++)
+ *storage++ = p++;
+ ret += count;
+ }
+ }
+
+ *storage = NULL;
+
+ return ret;
+}
+
asymbol *
_bfd_elf_make_empty_symbol (abfd)
bfd *abfd;