diff options
Diffstat (limited to 'bfd/elfxx-ia64.c')
-rw-r--r-- | bfd/elfxx-ia64.c | 137 |
1 files changed, 52 insertions, 85 deletions
diff --git a/bfd/elfxx-ia64.c b/bfd/elfxx-ia64.c index c86ad43..108cdf0 100644 --- a/bfd/elfxx-ia64.c +++ b/bfd/elfxx-ia64.c @@ -691,15 +691,10 @@ elfNN_ia64_relax_section (abfd, sec, link_info, again) }; Elf_Internal_Shdr *symtab_hdr; - Elf_Internal_Shdr *shndx_hdr; Elf_Internal_Rela *internal_relocs; - Elf_Internal_Rela *free_relocs = NULL; Elf_Internal_Rela *irel, *irelend; bfd_byte *contents; - bfd_byte *free_contents = NULL; - ElfNN_External_Sym *extsyms; - ElfNN_External_Sym *free_extsyms = NULL; - Elf_External_Sym_Shndx *shndx_buf = NULL; + Elf_Internal_Sym *isymbuf = NULL; struct elfNN_ia64_link_hash_table *ia64_info; struct one_fixup *fixups = NULL; boolean changed_contents = false; @@ -726,10 +721,7 @@ elfNN_ia64_relax_section (abfd, sec, link_info, again) (abfd, sec, (PTR) NULL, (Elf_Internal_Rela *) NULL, link_info->keep_memory)); if (internal_relocs == NULL) - goto error_return; - - if (! link_info->keep_memory) - free_relocs = internal_relocs; + return false; ia64_info = elfNN_ia64_hash_table (link_info); irelend = internal_relocs + sec->reloc_count; @@ -741,8 +733,8 @@ elfNN_ia64_relax_section (abfd, sec, link_info, again) /* No branch-type relocations. */ if (irel == irelend) { - if (free_relocs != NULL) - free (free_relocs); + if (elf_section_data (sec)->relocs != internal_relocs) + free (internal_relocs); return true; } @@ -754,48 +746,15 @@ elfNN_ia64_relax_section (abfd, sec, link_info, again) contents = (bfd_byte *) bfd_malloc (sec->_raw_size); if (contents == NULL) goto error_return; - free_contents = contents; if (! bfd_get_section_contents (abfd, sec, contents, (file_ptr) 0, sec->_raw_size)) goto error_return; } - /* Read this BFD's local symbols. */ - if (symtab_hdr->contents != NULL) - extsyms = (ElfNN_External_Sym *) symtab_hdr->contents; - else - { - bfd_size_type amt; - - amt = symtab_hdr->sh_info * sizeof (ElfNN_External_Sym); - extsyms = (ElfNN_External_Sym *) bfd_malloc (amt); - if (extsyms == NULL) - goto error_return; - free_extsyms = extsyms; - if (bfd_seek (abfd, symtab_hdr->sh_offset, SEEK_SET) != 0 - || bfd_bread (extsyms, amt, abfd) != amt) - goto error_return; - } - - shndx_hdr = &elf_tdata (abfd)->symtab_shndx_hdr; - if (shndx_hdr->sh_size != 0) - { - bfd_size_type amt; - - amt = symtab_hdr->sh_info * sizeof (Elf_External_Sym_Shndx); - shndx_buf = (Elf_External_Sym_Shndx *) bfd_malloc (amt); - if (shndx_buf == NULL) - goto error_return; - if (bfd_seek (abfd, shndx_hdr->sh_offset, SEEK_SET) != 0 - || bfd_bread (shndx_buf, amt, abfd) != amt) - goto error_return; - } - for (; irel < irelend; irel++) { bfd_vma symaddr, reladdr, trampoff, toff, roff; - Elf_Internal_Sym isym; asection *tsec; struct one_fixup *f; bfd_size_type amt; @@ -806,26 +765,34 @@ elfNN_ia64_relax_section (abfd, sec, link_info, again) /* Get the value of the symbol referred to by the reloc. */ if (ELFNN_R_SYM (irel->r_info) < symtab_hdr->sh_info) { - ElfNN_External_Sym *esym; - Elf_External_Sym_Shndx *shndx; - /* A local symbol. */ - esym = extsyms + ELFNN_R_SYM (irel->r_info); - shndx = shndx_buf + (shndx_buf ? ELFNN_R_SYM (irel->r_info) : 0); - bfd_elfNN_swap_symbol_in (abfd, (const PTR) esym, (const PTR) shndx, - &isym); - if (isym.st_shndx == SHN_UNDEF) + Elf_Internal_Sym *isym; + + /* Read this BFD's local symbols. */ + if (isymbuf == NULL) + { + isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents; + if (isymbuf == NULL) + isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr, + symtab_hdr->sh_info, 0, + NULL, NULL, NULL); + if (isymbuf == 0) + goto error_return; + } + + isym = isymbuf + ELF64_R_SYM (irel->r_info); + if (isym->st_shndx == SHN_UNDEF) continue; /* We can't do anthing with undefined symbols. */ - else if (isym.st_shndx == SHN_ABS) + else if (isym->st_shndx == SHN_ABS) tsec = bfd_abs_section_ptr; - else if (isym.st_shndx == SHN_COMMON) + else if (isym->st_shndx == SHN_COMMON) tsec = bfd_com_section_ptr; - else if (isym.st_shndx == SHN_IA_64_ANSI_COMMON) + else if (isym->st_shndx == SHN_IA_64_ANSI_COMMON) tsec = bfd_com_section_ptr; else - tsec = bfd_section_from_elf_index (abfd, isym.st_shndx); + tsec = bfd_section_from_elf_index (abfd, isym->st_shndx); - toff = isym.st_value; + toff = isym->st_value; } else { @@ -973,50 +940,50 @@ elfNN_ia64_relax_section (abfd, sec, link_info, again) free (f); } - if (changed_relocs) - elf_section_data (sec)->relocs = internal_relocs; - else if (free_relocs != NULL) - free (free_relocs); - - if (changed_contents) - elf_section_data (sec)->this_hdr.contents = contents; - else if (free_contents != NULL) + if (isymbuf != NULL + && symtab_hdr->contents != (unsigned char *) isymbuf) { if (! link_info->keep_memory) - free (free_contents); + free (isymbuf); else { - /* Cache the section contents for elf_link_input_bfd. */ - elf_section_data (sec)->this_hdr.contents = contents; + /* Cache the symbols for elf_link_input_bfd. */ + symtab_hdr->contents = (unsigned char *) isymbuf; } } - if (shndx_buf != NULL) - free (shndx_buf); - - if (free_extsyms != NULL) + if (contents != NULL + && elf_section_data (sec)->this_hdr.contents != contents) { - if (! link_info->keep_memory) - free (free_extsyms); + if (!changed_contents && !link_info->keep_memory) + free (contents); else { - /* Cache the symbols for elf_link_input_bfd. */ - symtab_hdr->contents = (unsigned char *) extsyms; + /* Cache the section contents for elf_link_input_bfd. */ + elf_section_data (sec)->this_hdr.contents = contents; } } + if (elf_section_data (sec)->relocs != internal_relocs) + { + if (!changed_relocs) + free (internal_relocs); + else + elf_section_data (sec)->relocs = internal_relocs; + } + *again = changed_contents || changed_relocs; return true; error_return: - if (free_relocs != NULL) - free (free_relocs); - if (free_contents != NULL) - free (free_contents); - if (shndx_buf != NULL) - free (shndx_buf); - if (free_extsyms != NULL) - free (free_extsyms); + if (isymbuf != NULL && (unsigned char *) isymbuf != symtab_hdr->contents) + free (isymbuf); + if (contents != NULL + && elf_section_data (sec)->this_hdr.contents != contents) + free (contents); + if (internal_relocs != NULL + && elf_section_data (sec)->relocs != internal_relocs) + free (internal_relocs); return false; } |