* elf32-ppc.c (elf_linker_section_pointers_t): Remove
written_address_p. (ppc_elf_create_linker_section): Don't try to reuse existing section. (elf_create_pointer_linker_section): Delete info parm. Don't make h dynamic. Don't set written_address_p. (ppc_elf_check_relocs): Adjust ppc_elf_create_linker_section calls. (bfd_put_ptr): Delete. (elf_finish_pointer_linker_section): Remove output_bfd and info parms. Always write section contents. Assert global sym is def_regular. Use offset bottom bit as a written flag. (ppc_elf_relocate_section): Adjust elf_finish_pointer_linker_section calls.
This commit is contained in:
parent
41772c33ca
commit
76750a2f8d
2 changed files with 47 additions and 88 deletions
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@ -1,3 +1,18 @@
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2005-03-22 Alan Modra <amodra@bigpond.net.au>
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* elf32-ppc.c (elf_linker_section_pointers_t): Remove
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written_address_p.
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(ppc_elf_create_linker_section): Don't try to reuse existing section.
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(elf_create_pointer_linker_section): Delete info parm. Don't make
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h dynamic. Don't set written_address_p.
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(ppc_elf_check_relocs): Adjust ppc_elf_create_linker_section calls.
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(bfd_put_ptr): Delete.
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(elf_finish_pointer_linker_section): Remove output_bfd and info parms.
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Always write section contents. Assert global sym is def_regular.
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Use offset bottom bit as a written flag.
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(ppc_elf_relocate_section): Adjust elf_finish_pointer_linker_section
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calls.
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2005-03-22 Alan Modra <amodra@bigpond.net.au>
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* elf32-ppc.c (ppc_elf_set_sdata_syms): New function, extracted from..
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120
bfd/elf32-ppc.c
120
bfd/elf32-ppc.c
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@ -1532,8 +1532,6 @@ typedef struct elf_linker_section_pointers
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bfd_vma addend;
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/* which linker section this is */
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elf_linker_section_t *lsect;
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/* whether address was written yet */
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bfd_boolean written_address_p;
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} elf_linker_section_pointers_t;
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struct ppc_elf_obj_tdata
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@ -2417,27 +2415,12 @@ ppc_elf_create_linker_section (bfd *abfd,
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if (!htab->elf.dynobj)
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htab->elf.dynobj = abfd;
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/* See if the section already exists. */
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s = bfd_get_section_by_name (htab->elf.dynobj, lsect->name);
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if (s == NULL || (s->flags & flags) != flags)
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{
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s = bfd_make_section_anyway (htab->elf.dynobj, lsect->name);
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if (s == NULL
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|| !bfd_set_section_flags (htab->elf.dynobj, s, flags))
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return FALSE;
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}
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lsect->section = s;
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if (bfd_get_section_alignment (htab->elf.dynobj, s) < 2
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&& !bfd_set_section_alignment (htab->elf.dynobj, s, 2))
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s = bfd_make_section_anyway (htab->elf.dynobj, lsect->name);
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if (s == NULL
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|| !bfd_set_section_flags (htab->elf.dynobj, s, flags)
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|| !bfd_set_section_alignment (htab->elf.dynobj, s, 2))
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return FALSE;
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s->size = align_power (s->size, 2);
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#ifdef DEBUG
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fprintf (stderr, "Creating section %s, current size = %ld\n",
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lsect->name, (long) s->size);
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#endif
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lsect->section = s;
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return TRUE;
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}
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@ -2461,7 +2444,6 @@ elf_find_pointer_linker_section
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static bfd_boolean
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elf_create_pointer_linker_section (bfd *abfd,
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struct bfd_link_info *info,
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elf_linker_section_t *lsect,
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struct elf_link_hash_entry *h,
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const Elf_Internal_Rela *rel)
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@ -2486,12 +2468,6 @@ elf_create_pointer_linker_section (bfd *abfd,
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return TRUE;
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ptr_linker_section_ptr = &eh->linker_section_pointer;
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/* Make sure this symbol is output as a dynamic symbol. */
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if (h->dynindx == -1)
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{
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if (! bfd_elf_link_record_dynamic_symbol (info, h))
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return FALSE;
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}
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}
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else
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{
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@ -2534,7 +2510,6 @@ elf_create_pointer_linker_section (bfd *abfd,
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linker_section_ptr->next = *ptr_linker_section_ptr;
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linker_section_ptr->addend = rel->r_addend;
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linker_section_ptr->lsect = lsect;
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linker_section_ptr->written_address_p = FALSE;
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*ptr_linker_section_ptr = linker_section_ptr;
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linker_section_ptr->offset = lsect->section->size;
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@ -2719,8 +2694,8 @@ ppc_elf_check_relocs (bfd *abfd,
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&& !ppc_elf_create_linker_section (abfd, info, 0,
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&htab->sdata[0]))
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return FALSE;
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if (!elf_create_pointer_linker_section (abfd, info,
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&htab->sdata[0], h, rel))
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if (!elf_create_pointer_linker_section (abfd, &htab->sdata[0],
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h, rel))
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return FALSE;
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break;
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@ -2735,8 +2710,8 @@ ppc_elf_check_relocs (bfd *abfd,
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&& !ppc_elf_create_linker_section (abfd, info, SEC_READONLY,
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&htab->sdata[1]))
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return FALSE;
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if (!elf_create_pointer_linker_section (abfd, info,
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&htab->sdata[1], h, rel))
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if (!elf_create_pointer_linker_section (abfd, &htab->sdata[1],
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h, rel))
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return FALSE;
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break;
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@ -4640,14 +4615,10 @@ ppc_elf_set_sdata_syms (bfd *obfd, struct bfd_link_info *info)
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return TRUE;
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}
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#define bfd_put_ptr(BFD, VAL, ADDR) bfd_put_32 (BFD, VAL, ADDR)
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/* Fill in the address for a pointer generated in a linker section. */
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static bfd_vma
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elf_finish_pointer_linker_section (bfd *output_bfd,
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bfd *input_bfd,
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struct bfd_link_info *info,
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elf_finish_pointer_linker_section (bfd *input_bfd,
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elf_linker_section_t *lsect,
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struct elf_link_hash_entry *h,
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bfd_vma relocation,
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struct ppc_elf_link_hash_entry *eh;
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eh = (struct ppc_elf_link_hash_entry *) h;
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linker_section_ptr
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= elf_find_pointer_linker_section (eh->linker_section_pointer,
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rel->r_addend,
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lsect);
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BFD_ASSERT (linker_section_ptr != NULL);
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if (! elf_hash_table (info)->dynamic_sections_created
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|| (info->shared
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&& info->symbolic
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&& h->def_regular))
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{
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/* This is actually a static link, or it is a
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-Bsymbolic link and the symbol is defined
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locally. We must initialize this entry in the
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global section.
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When doing a dynamic link, we create a .rela.<xxx>
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relocation entry to initialize the value. This
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is done in the finish_dynamic_symbol routine. */
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if (!linker_section_ptr->written_address_p)
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{
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linker_section_ptr->written_address_p = TRUE;
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bfd_put_ptr (output_bfd,
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relocation + linker_section_ptr->addend,
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(lsect->section->contents
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+ linker_section_ptr->offset));
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}
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}
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BFD_ASSERT (eh->elf.def_regular);
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linker_section_ptr = eh->linker_section_pointer;
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}
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else
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{
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/* Handle local symbol. */
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unsigned long r_symndx = ELF32_R_SYM (rel->r_info);
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BFD_ASSERT (elf_local_ptr_offsets (input_bfd) != NULL);
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BFD_ASSERT (elf_local_ptr_offsets (input_bfd)[r_symndx] != NULL);
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linker_section_ptr = (elf_find_pointer_linker_section
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(elf_local_ptr_offsets (input_bfd)[r_symndx],
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rel->r_addend,
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lsect));
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linker_section_ptr = elf_local_ptr_offsets (input_bfd)[r_symndx];
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}
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BFD_ASSERT (linker_section_ptr != NULL);
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linker_section_ptr = elf_find_pointer_linker_section (linker_section_ptr,
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rel->r_addend,
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lsect);
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BFD_ASSERT (linker_section_ptr != NULL);
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/* Write out pointer if it hasn't been rewritten out before. */
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if (!linker_section_ptr->written_address_p)
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{
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linker_section_ptr->written_address_p = TRUE;
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bfd_put_ptr (output_bfd, relocation + linker_section_ptr->addend,
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lsect->section->contents + linker_section_ptr->offset);
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}
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/* Offset will always be a multiple of four, so use the bottom bit
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as a "written" flag. */
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if ((linker_section_ptr->offset & 1) == 0)
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{
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bfd_put_32 (lsect->section->owner,
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relocation + linker_section_ptr->addend,
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lsect->section->contents + linker_section_ptr->offset);
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linker_section_ptr->offset += 1;
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}
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relocation = (lsect->section->output_offset
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+ linker_section_ptr->offset
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+ linker_section_ptr->offset - 1
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- 0x8000);
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#ifdef DEBUG
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case R_PPC_EMB_SDAI16:
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BFD_ASSERT (htab->sdata[0].section != NULL);
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relocation
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= elf_finish_pointer_linker_section (output_bfd, input_bfd, info,
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&htab->sdata[0], h,
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relocation, rel);
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= elf_finish_pointer_linker_section (input_bfd, &htab->sdata[0],
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h, relocation, rel);
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break;
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/* Indirect .sdata2 relocation. */
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case R_PPC_EMB_SDA2I16:
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BFD_ASSERT (htab->sdata[1].section != NULL);
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relocation
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= elf_finish_pointer_linker_section (output_bfd, input_bfd, info,
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&htab->sdata[1], h,
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relocation, rel);
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= elf_finish_pointer_linker_section (input_bfd, &htab->sdata[1],
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h, relocation, rel);
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break;
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/* Handle the TOC16 reloc. We want to use the offset within the .got
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