* elfxx-target.h (bfd_elfNN_canonicalize_reloc): Make it
overridable. * elf64-mips.c (mips_elf64_canonicalize_reloc, mips_elf64_get_dynamic_reloc_upper_bound, mips_elf64_canonicalize_dynamic_reloc): New, adapted from elf.c. (bfd_elf64_get_canonicalize_reloc, bfd_elf64_get_dynamic_reloc_upper_bound, bfd_elf64_canonicalize_dynamic_reloc): Define. (mips_elf64_slurp_reloc_table): Support dynamic. (mips_elf64_slurp_one_reloc_table): Adjust.
This commit is contained in:
Alexandre Oliva
parent
0a1e1ca1f6
commit
fee24f1c5b
@ -1,3 +1,16 @@
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2003-03-12 Alexandre Oliva <aoliva@redhat.com>
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* elfxx-target.h (bfd_elfNN_canonicalize_reloc): Make it
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overridable.
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* elf64-mips.c (mips_elf64_canonicalize_reloc,
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mips_elf64_get_dynamic_reloc_upper_bound,
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mips_elf64_canonicalize_dynamic_reloc): New, adapted from elf.c.
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(bfd_elf64_get_canonicalize_reloc,
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bfd_elf64_get_dynamic_reloc_upper_bound,
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bfd_elf64_canonicalize_dynamic_reloc): Define.
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(mips_elf64_slurp_reloc_table): Support dynamic.
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(mips_elf64_slurp_one_reloc_table): Adjust.
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2003-03-12 Nick Clifton <nickc@redhat.com>
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* xsym.c (bfd_sym_fetch_type_information_table_entry): Change
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191
bfd/elf64-mips.c
191
bfd/elf64-mips.c
@ -91,8 +91,14 @@ static void mips_elf64_info_to_howto_rela
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PARAMS ((bfd *, arelent *, Elf_Internal_Rela *));
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static long mips_elf64_get_reloc_upper_bound
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PARAMS ((bfd *, asection *));
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static long mips_elf64_canonicalize_reloc
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PARAMS ((bfd *, asection *, arelent **, asymbol **));
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static long mips_elf64_get_dynamic_reloc_upper_bound PARAMS ((bfd *));
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static long mips_elf64_canonicalize_dynamic_reloc
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PARAMS ((bfd *, arelent **, asymbol **));
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static bfd_boolean mips_elf64_slurp_one_reloc_table
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PARAMS ((bfd *, asection *, asymbol **, const Elf_Internal_Shdr *));
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PARAMS ((bfd *, asection *, Elf_Internal_Shdr *, bfd_size_type,
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arelent *, asymbol **, bfd_boolean));
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static bfd_boolean mips_elf64_slurp_reloc_table
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PARAMS ((bfd *, asection *, asymbol **, bfd_boolean));
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static void mips_elf64_write_relocs
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@ -2022,20 +2028,104 @@ mips_elf64_get_reloc_upper_bound (abfd, sec)
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return (sec->reloc_count * 3 + 1) * sizeof (arelent *);
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}
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/* Read the relocations from one reloc section. */
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static long
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mips_elf64_get_dynamic_reloc_upper_bound (abfd)
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bfd *abfd;
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{
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return _bfd_elf_get_dynamic_reloc_upper_bound (abfd) * 3;
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}
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/* We must also copy more relocations than the corresponding functions
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in elf.c would, so the two following functions are slightly
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modified from elf.c, that multiply the external relocation count by
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3 to obtain the internal relocation count. */
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static long
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mips_elf64_canonicalize_reloc (abfd, section, relptr, symbols)
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bfd *abfd;
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sec_ptr section;
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arelent **relptr;
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asymbol **symbols;
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{
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arelent *tblptr;
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unsigned int i;
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struct elf_backend_data *bed = get_elf_backend_data (abfd);
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if (! bed->s->slurp_reloc_table (abfd, section, symbols, FALSE))
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return -1;
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tblptr = section->relocation;
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for (i = 0; i < section->reloc_count * 3; i++)
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*relptr++ = tblptr++;
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*relptr = NULL;
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return section->reloc_count * 3;
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}
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static long
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mips_elf64_canonicalize_dynamic_reloc (abfd, storage, syms)
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bfd *abfd;
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arelent **storage;
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asymbol **syms;
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{
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bfd_boolean (*slurp_relocs)
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PARAMS ((bfd *, asection *, asymbol **, bfd_boolean));
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asection *s;
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long ret;
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if (elf_dynsymtab (abfd) == 0)
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{
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bfd_set_error (bfd_error_invalid_operation);
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return -1;
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}
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slurp_relocs = get_elf_backend_data (abfd)->s->slurp_reloc_table;
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ret = 0;
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for (s = abfd->sections; s != NULL; s = s->next)
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{
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if (elf_section_data (s)->this_hdr.sh_link == elf_dynsymtab (abfd)
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&& (elf_section_data (s)->this_hdr.sh_type == SHT_REL
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|| elf_section_data (s)->this_hdr.sh_type == SHT_RELA))
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{
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arelent *p;
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long count, i;
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if (! (*slurp_relocs) (abfd, s, syms, TRUE))
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return -1;
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count = s->_raw_size / elf_section_data (s)->this_hdr.sh_entsize * 3;
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p = s->relocation;
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for (i = 0; i < count; i++)
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*storage++ = p++;
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ret += count;
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}
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}
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*storage = NULL;
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return ret;
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}
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/* Read the relocations from one reloc section. This is mostly copied
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from elfcode.h, except for the changes to expand one external
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relocation to 3 internal ones. We must unfortunately set
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reloc_count to the number of external relocations, because a lot of
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generic code seems to depend on this. */
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static bfd_boolean
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mips_elf64_slurp_one_reloc_table (abfd, asect, symbols, rel_hdr)
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mips_elf64_slurp_one_reloc_table (abfd, asect, rel_hdr, reloc_count,
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relents, symbols, dynamic)
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bfd *abfd;
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asection *asect;
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Elf_Internal_Shdr *rel_hdr;
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bfd_size_type reloc_count;
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arelent *relents;
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asymbol **symbols;
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const Elf_Internal_Shdr *rel_hdr;
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bfd_boolean dynamic;
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{
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PTR allocated = NULL;
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bfd_byte *native_relocs;
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arelent *relents;
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arelent *relent;
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bfd_vma count;
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bfd_vma i;
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int entsize;
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reloc_howto_type *howto_table;
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@ -2045,26 +2135,24 @@ mips_elf64_slurp_one_reloc_table (abfd, asect, symbols, rel_hdr)
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return FALSE;
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if (bfd_seek (abfd, rel_hdr->sh_offset, SEEK_SET) != 0
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|| (bfd_bread (allocated, rel_hdr->sh_size, abfd) != rel_hdr->sh_size))
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|| (bfd_bread (allocated, rel_hdr->sh_size, abfd)
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!= rel_hdr->sh_size))
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goto error_return;
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native_relocs = (bfd_byte *) allocated;
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relents = asect->relocation + asect->reloc_count;
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entsize = rel_hdr->sh_entsize;
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BFD_ASSERT (entsize == sizeof (Elf64_Mips_External_Rel)
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|| entsize == sizeof (Elf64_Mips_External_Rela));
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count = rel_hdr->sh_size / entsize;
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if (entsize == sizeof (Elf64_Mips_External_Rel))
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howto_table = mips_elf64_howto_table_rel;
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else
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howto_table = mips_elf64_howto_table_rela;
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relent = relents;
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for (i = 0; i < count; i++, native_relocs += entsize)
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for (i = 0, relent = relents;
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i < reloc_count;
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i++, native_relocs += entsize)
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{
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Elf64_Mips_Internal_Rela rela;
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bfd_boolean used_sym, used_ssym;
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@ -2166,7 +2254,7 @@ mips_elf64_slurp_one_reloc_table (abfd, asect, symbols, rel_hdr)
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object file, and absolute for an executable file or
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shared library. The address of a BFD reloc is always
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section relative. */
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if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0)
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if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0 || dynamic)
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relent->address = rela.r_offset;
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else
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relent->address = rela.r_offset - asect->vma;
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@ -2193,7 +2281,10 @@ mips_elf64_slurp_one_reloc_table (abfd, asect, symbols, rel_hdr)
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}
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/* Read the relocations. On Irix 6, there can be two reloc sections
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associated with a single data section. */
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associated with a single data section. This is copied from
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elfcode.h as well, with changes as small as accounting for 3
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internal relocs per external reloc and resetting reloc_count to
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zero before processing the relocs of a section. */
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static bfd_boolean
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mips_elf64_slurp_reloc_table (abfd, asect, symbols, dynamic)
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@ -2202,39 +2293,72 @@ mips_elf64_slurp_reloc_table (abfd, asect, symbols, dynamic)
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asymbol **symbols;
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bfd_boolean dynamic;
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{
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bfd_size_type amt;
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struct bfd_elf_section_data * const d = elf_section_data (asect);
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Elf_Internal_Shdr *rel_hdr;
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Elf_Internal_Shdr *rel_hdr2;
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bfd_size_type reloc_count;
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bfd_size_type reloc_count2;
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arelent *relents;
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bfd_size_type amt;
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if (dynamic)
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{
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bfd_set_error (bfd_error_invalid_operation);
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return FALSE;
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}
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if (asect->relocation != NULL
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|| (asect->flags & SEC_RELOC) == 0
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|| asect->reloc_count == 0)
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if (asect->relocation != NULL)
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return TRUE;
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if (! dynamic)
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{
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if ((asect->flags & SEC_RELOC) == 0
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|| asect->reloc_count == 0)
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return TRUE;
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rel_hdr = &d->rel_hdr;
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reloc_count = NUM_SHDR_ENTRIES (rel_hdr);
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rel_hdr2 = d->rel_hdr2;
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reloc_count2 = (rel_hdr2 ? NUM_SHDR_ENTRIES (rel_hdr2) : 0);
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BFD_ASSERT (asect->reloc_count == reloc_count + reloc_count2);
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BFD_ASSERT (asect->rel_filepos == rel_hdr->sh_offset
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|| (rel_hdr2 && asect->rel_filepos == rel_hdr2->sh_offset));
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}
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else
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{
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/* Note that ASECT->RELOC_COUNT tends not to be accurate in this
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case because relocations against this section may use the
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dynamic symbol table, and in that case bfd_section_from_shdr
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in elf.c does not update the RELOC_COUNT. */
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if (asect->_raw_size == 0)
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return TRUE;
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rel_hdr = &d->this_hdr;
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reloc_count = NUM_SHDR_ENTRIES (rel_hdr);
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rel_hdr2 = NULL;
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reloc_count2 = 0;
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}
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/* Allocate space for 3 arelent structures for each Rel structure. */
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amt = asect->reloc_count;
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amt *= 3 * sizeof (arelent);
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asect->relocation = (arelent *) bfd_alloc (abfd, amt);
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if (asect->relocation == NULL)
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amt = (reloc_count + reloc_count2) * 3 * sizeof (arelent);
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relents = (arelent *) bfd_alloc (abfd, amt);
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if (relents == NULL)
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return FALSE;
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/* The slurp_one_reloc_table routine increments reloc_count. */
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asect->reloc_count = 0;
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if (! mips_elf64_slurp_one_reloc_table (abfd, asect, symbols, &d->rel_hdr))
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if (! mips_elf64_slurp_one_reloc_table (abfd, asect,
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rel_hdr, reloc_count,
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relents,
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symbols, dynamic))
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return FALSE;
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if (d->rel_hdr2 != NULL)
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{
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if (! mips_elf64_slurp_one_reloc_table (abfd, asect, symbols,
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d->rel_hdr2))
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if (! mips_elf64_slurp_one_reloc_table (abfd, asect,
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rel_hdr2, reloc_count2,
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relents + reloc_count * 3,
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symbols, dynamic))
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return FALSE;
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}
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asect->relocation = relents;
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return TRUE;
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}
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@ -2764,6 +2888,9 @@ const struct elf_size_info mips_elf64_size_info =
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_bfd_mips_elf_print_private_bfd_data
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#define bfd_elf64_get_reloc_upper_bound mips_elf64_get_reloc_upper_bound
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#define bfd_elf64_canonicalize_reloc mips_elf64_canonicalize_reloc
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#define bfd_elf64_get_dynamic_reloc_upper_bound mips_elf64_get_dynamic_reloc_upper_bound
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#define bfd_elf64_canonicalize_dynamic_reloc mips_elf64_canonicalize_dynamic_reloc
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/* MIPS ELF64 archive functions. */
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#define bfd_elf64_archive_functions
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@ -33,7 +33,9 @@
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#endif
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#define bfd_elfNN_canonicalize_dynamic_symtab _bfd_elf_canonicalize_dynamic_symtab
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#ifndef bfd_elfNN_canonicalize_reloc
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#define bfd_elfNN_canonicalize_reloc _bfd_elf_canonicalize_reloc
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#endif
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#ifndef bfd_elfNN_find_nearest_line
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#define bfd_elfNN_find_nearest_line _bfd_elf_find_nearest_line
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#endif
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