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bfd/
2003-07-25 H.J. Lu <hongjiu.lu@intel.com> * elf-bfd.h (bfd_elf_special_section): New. (elf_backend_data): Add special_sections, a pointer to bfd_elf_special_section. (elf_section_type). New. (elf_section_flags): New. (_bfd_elf_get_sec_type_attr): New. * elf.c (_bfd_elf_make_section_from_shdr): Always use the real section type/flags. (special_sections): New. (get_special_section): New. (_bfd_elf_get_sec_type_attr): New. (_bfd_elf_new_section_hook): Check special_section to set elf_section_type and elf_section_flags. (elf_fake_sections): Don't use section name to set ELF section data. * elf32-m32r.c (m32r_elf_special_sections): New. (elf_backend_special_sections): Defined. * elf32-m68hc11.c (elf32_m68hc11_special_sections): New. (elf_backend_special_sections): Defined. * elf32-mcore.c (mcore_elf_special_sections): New. (elf_backend_special_sections): Defined. * elf32-ppc.c (ppc_elf_special_sections): New. (elf_backend_special_sections): Defined. * elf32-sh64.c (sh64_elf_special_sections): New. (elf_backend_special_sections): Defined. * elf32-v850.c (v850_elf_special_sections): New. (elf_backend_special_sections): Defined. * elf32-xtensa.c (elf_xtensa_special_sections): New. (elf_backend_special_sections): Defined. * elf64-alpha.c (elf64_alpha_special_sections): New. (elf_backend_special_sections): Defined. * elf64-hppa.c (elf64_hppa_special_sections): New. (elf_backend_special_sections): Defined. * elf64-ppc.c (ppc64_elf_special_sections): New. (elf_backend_special_sections): Defined. * elf64-sh64.c (sh64_elf64_special_sections): New. (elf_backend_special_sections): Defined. * elfxx-ia64.c (elfNN_ia64_special_sections): New. (elf_backend_special_sections): Defined. * elfxx-mips.c (_bfd_mips_elf_special_sections): New. * elfxx-mips.h (_bfd_mips_elf_special_sections): New. (elf_backend_special_sections): Defined. * elfxx-target.h (elf_backend_special_sections): New. Default to NULL. (elfNN_bed): Initialize special_sections. * section.c (bfd_abs_section): Remove const. (bfd_und_section): Likewise. (bfd_com_section): Likewise. (bfd_ind_section): Likewise. gas/ 2003-07-25 H.J. Lu <hongjiu.lu@intel.com> * config/obj-elf.c (special_sections): Removed. (obj_elf_change_section): Call _bfd_elf_get_sec_type_attr. Set elf_section_type and elf_section_flags. (elf_frob_file): Set SHT_GROUP. * config/obj-elf.h (obj_sec_set_private_data): New. * config/tc-alpha.h (ELF_TC_SPECIAL_SECTIONS): Removed. * config/tc-ia64.h: Likewise. * config/tc-m32r.h: Likewise. * config/tc-m68hc11.h: Likewise. * config/tc-mcore.h: Likewise. * config/tc-mips.h: Likewise. * config/tc-ppc.h: Likewise. * config/tc-sh64.h: Likewise. * config/tc-v850.h: Likewise. * config/tc-xtensa.h: Likewise. * config/tc-v850.h (SHF_V850_GPREL): Removed. (SHF_V850_EPREL): Likewise. (SHF_V850_R0REL): Likewise. * subsegs.c (subseg_get): Call obj_sec_set_private_data if it is defined. include/elf/ 2003-07-25 H.J. Lu <hongjiu.lu@intel.com> * v850.h (SHF_V850_GPREL): New. (SHF_V850_EPREL): Likewise. (SHF_V850_R0REL): Likewise.
This commit is contained in:
H.J. Lu
256
bfd/elf.c
256
bfd/elf.c
@@ -741,6 +741,10 @@ _bfd_elf_make_section_from_shdr (abfd, hdr, name)
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if (newsect == NULL)
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return FALSE;
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/* Always use the real type/flags. */
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elf_section_type (newsect) = hdr->sh_type;
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elf_section_flags (newsect) = hdr->sh_flags;
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newsect->filepos = hdr->sh_offset;
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if (! bfd_set_section_vma (abfd, newsect, hdr->sh_addr)
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@@ -2139,12 +2143,145 @@ bfd_section_from_elf_index (abfd, index)
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return elf_elfsections (abfd)[index]->bfd_section;
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}
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static struct bfd_elf_special_section const special_sections[] =
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{
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{ ".bss", 0, NULL, 0,
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SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
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{ ".comment", 0, NULL, 0,
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SHT_PROGBITS, 0 },
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{ ".data", 0, NULL, 0,
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SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
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{ ".data1", 0, NULL, 0,
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SHT_PROGBITS, SHF_ALLOC + SHF_WRITE },
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{ ".debug", 0, NULL, 0,
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SHT_PROGBITS, 0 },
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{ ".fini", 0, NULL, 0,
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SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR },
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{ ".init", 0, NULL, 0,
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SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR },
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{ ".line", 0, NULL, 0,
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SHT_PROGBITS, 0 },
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{ ".rodata", 0, NULL, 0,
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SHT_PROGBITS, SHF_ALLOC },
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{ ".rodata1", 0, NULL, 0,
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SHT_PROGBITS, SHF_ALLOC },
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{ ".tbss", 0, NULL, 0,
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SHT_NOBITS, SHF_ALLOC + SHF_WRITE + SHF_TLS },
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{ ".tdata", 0, NULL, 0,
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SHT_PROGBITS, SHF_ALLOC + SHF_WRITE + SHF_TLS },
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{ ".text", 0, NULL, 0,
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SHT_PROGBITS, SHF_ALLOC + SHF_EXECINSTR },
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{ ".init_array", 0, NULL, 0,
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SHT_INIT_ARRAY, SHF_ALLOC + SHF_WRITE },
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{ ".fini_array", 0, NULL, 0,
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SHT_FINI_ARRAY, SHF_ALLOC + SHF_WRITE },
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{ ".preinit_array", 0, NULL, 0,
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SHT_PREINIT_ARRAY, SHF_ALLOC + SHF_WRITE },
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{ ".debug_line", 0, NULL, 0,
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SHT_PROGBITS, 0 },
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{ ".debug_info", 0, NULL, 0,
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SHT_PROGBITS, 0 },
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{ ".debug_abbrev", 0, NULL, 0,
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SHT_PROGBITS, 0 },
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{ ".debug_aranges", 0, NULL, 0,
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SHT_PROGBITS, 0 },
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{ ".dynamic", 0, NULL, 0,
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SHT_DYNAMIC, SHF_ALLOC },
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{ ".dynstr", 0, NULL, 0,
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SHT_STRTAB, SHF_ALLOC },
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{ ".dynsym", 0, NULL, 0,
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SHT_DYNSYM, SHF_ALLOC },
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{ ".got", 0, NULL, 0,
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SHT_PROGBITS, 0 },
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{ ".hash", 0, NULL, 0,
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SHT_HASH, SHF_ALLOC },
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{ ".interp", 0, NULL, 0,
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SHT_PROGBITS, 0 },
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{ ".plt", 0, NULL, 0,
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SHT_PROGBITS, 0 },
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{ ".shstrtab", 0, NULL, 0,
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SHT_STRTAB, 0 },
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{ ".strtab", 0, NULL, 0,
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SHT_STRTAB, 0 },
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{ ".symtab", 0, NULL, 0,
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SHT_SYMTAB, 0 },
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{ ".gnu.version", 0, NULL, 0,
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SHT_GNU_versym, 0 },
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{ ".gnu.version_d", 0, NULL, 0,
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SHT_GNU_verdef, 0 },
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{ ".gnu.version_r", 0, NULL, 0,
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SHT_GNU_verneed, 0 },
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{ ".note", 5, NULL, 0,
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SHT_NOTE, 0 },
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{ ".rela", 5, NULL, 0,
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SHT_RELA, 0 },
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{ ".rel", 4, NULL, 0,
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SHT_REL, 0 },
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{ ".stab", 5, "str", 3,
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SHT_STRTAB, 0 },
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{ NULL, 0, NULL, 0,
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0, 0 }
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};
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static const struct bfd_elf_special_section *
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get_special_section (const char *name,
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const struct bfd_elf_special_section *special_sections,
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unsigned int rela)
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{
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int i;
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for (i = 0; special_sections[i].prefix != NULL; i++)
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if (((special_sections[i].prefix_length
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&& strncmp (name, special_sections[i].prefix,
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special_sections[i].prefix_length) == 0
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&& (! special_sections[i].suffix_length
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|| strcmp ((name + strlen (name)
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- special_sections[i].suffix_length),
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special_sections[i].suffix) == 0))
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|| strcmp (name, special_sections[i].prefix) == 0)
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&& (rela || special_sections[i].type != SHT_RELA))
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return &special_sections[i];
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return NULL;
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}
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bfd_boolean
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_bfd_elf_get_sec_type_attr (bfd *abfd, const char *name,
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int *type, int *attr)
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{
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bfd_boolean found = FALSE;
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struct elf_backend_data *bed = get_elf_backend_data (abfd);
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/* See if this is one of the special sections. */
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if (name)
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{
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const struct bfd_elf_special_section *ssect = NULL;
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unsigned int rela = get_elf_backend_data (abfd)->default_use_rela_p;
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if (bed->special_sections)
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ssect = get_special_section (name, bed->special_sections, rela);
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if (! ssect)
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ssect = get_special_section (name, special_sections, rela);
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if (ssect)
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{
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*type = ssect->type;
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*attr = ssect->attributes;
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found = TRUE;
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}
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}
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return found;
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}
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bfd_boolean
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_bfd_elf_new_section_hook (abfd, sec)
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bfd *abfd;
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asection *sec;
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{
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struct bfd_elf_section_data *sdata;
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int type, attr;
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sdata = (struct bfd_elf_section_data *) sec->used_by_bfd;
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if (sdata == NULL)
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@@ -2156,6 +2293,19 @@ _bfd_elf_new_section_hook (abfd, sec)
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sec->used_by_bfd = (PTR) sdata;
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}
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if ((sec->flags & SEC_ALLOC) != 0
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&& (((sec->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
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|| (sec->flags & SEC_NEVER_LOAD) != 0))
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elf_section_type (sec) = SHT_NOBITS;
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else
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elf_section_type (sec) = SHT_PROGBITS;
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if (sec->name && _bfd_elf_get_sec_type_attr (abfd, sec->name,
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&type, &attr))
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{
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elf_section_type (sec) = type;
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elf_section_flags (sec) = attr;
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}
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/* Indicate whether or not this section should use RELA relocations. */
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sec->use_rela_p = get_elf_backend_data (abfd)->default_use_rela_p;
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@@ -2394,55 +2544,52 @@ elf_fake_sections (abfd, asect, failedptrarg)
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this_hdr->bfd_section = asect;
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this_hdr->contents = NULL;
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/* FIXME: This should not be based on section names. */
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if (strcmp (asect->name, ".dynstr") == 0)
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this_hdr->sh_type = SHT_STRTAB;
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else if (strcmp (asect->name, ".hash") == 0)
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switch (this_hdr->sh_type)
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{
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this_hdr->sh_type = SHT_HASH;
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default:
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(*_bfd_error_handler)
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(_("%s: Section `%s' has unknown type 0x%0x"),
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bfd_get_filename (asect->owner), asect->name,
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this_hdr->sh_type);
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abort ();
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break;
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case SHT_STRTAB:
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case SHT_INIT_ARRAY:
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case SHT_FINI_ARRAY:
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case SHT_PREINIT_ARRAY:
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case SHT_NOTE:
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case SHT_NOBITS:
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case SHT_PROGBITS:
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break;
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case SHT_HASH:
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this_hdr->sh_entsize = bed->s->sizeof_hash_entry;
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}
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else if (strcmp (asect->name, ".dynsym") == 0)
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{
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this_hdr->sh_type = SHT_DYNSYM;
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break;
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case SHT_DYNSYM:
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this_hdr->sh_entsize = bed->s->sizeof_sym;
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}
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else if (strcmp (asect->name, ".dynamic") == 0)
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{
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this_hdr->sh_type = SHT_DYNAMIC;
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break;
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case SHT_DYNAMIC:
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this_hdr->sh_entsize = bed->s->sizeof_dyn;
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}
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else if (strncmp (asect->name, ".rela", 5) == 0
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&& get_elf_backend_data (abfd)->may_use_rela_p)
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{
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this_hdr->sh_type = SHT_RELA;
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this_hdr->sh_entsize = bed->s->sizeof_rela;
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}
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else if (strncmp (asect->name, ".rel", 4) == 0
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&& get_elf_backend_data (abfd)->may_use_rel_p)
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{
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this_hdr->sh_type = SHT_REL;
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this_hdr->sh_entsize = bed->s->sizeof_rel;
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}
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else if (strcmp (asect->name, ".init_array") == 0)
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this_hdr->sh_type = SHT_INIT_ARRAY;
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else if (strcmp (asect->name, ".fini_array") == 0)
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this_hdr->sh_type = SHT_FINI_ARRAY;
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else if (strcmp (asect->name, ".preinit_array") == 0)
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this_hdr->sh_type = SHT_PREINIT_ARRAY;
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else if (strncmp (asect->name, ".note", 5) == 0)
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this_hdr->sh_type = SHT_NOTE;
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else if (strncmp (asect->name, ".stab", 5) == 0
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&& strcmp (asect->name + strlen (asect->name) - 3, "str") == 0)
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this_hdr->sh_type = SHT_STRTAB;
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else if (strcmp (asect->name, ".gnu.version") == 0)
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{
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this_hdr->sh_type = SHT_GNU_versym;
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break;
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case SHT_RELA:
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if (get_elf_backend_data (abfd)->may_use_rela_p)
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this_hdr->sh_entsize = bed->s->sizeof_rela;
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break;
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case SHT_REL:
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if (get_elf_backend_data (abfd)->may_use_rel_p)
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this_hdr->sh_entsize = bed->s->sizeof_rel;
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break;
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case SHT_GNU_versym:
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this_hdr->sh_entsize = sizeof (Elf_External_Versym);
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}
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else if (strcmp (asect->name, ".gnu.version_d") == 0)
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{
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this_hdr->sh_type = SHT_GNU_verdef;
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break;
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case SHT_GNU_verdef:
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this_hdr->sh_entsize = 0;
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/* objcopy or strip will copy over sh_info, but may not set
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cverdefs. The linker will set cverdefs, but sh_info will be
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@@ -2452,10 +2599,9 @@ elf_fake_sections (abfd, asect, failedptrarg)
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else
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BFD_ASSERT (elf_tdata (abfd)->cverdefs == 0
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|| this_hdr->sh_info == elf_tdata (abfd)->cverdefs);
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}
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else if (strcmp (asect->name, ".gnu.version_r") == 0)
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{
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this_hdr->sh_type = SHT_GNU_verneed;
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break;
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case SHT_GNU_verneed:
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this_hdr->sh_entsize = 0;
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/* objcopy or strip will copy over sh_info, but may not set
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cverrefs. The linker will set cverrefs, but sh_info will be
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@@ -2465,18 +2611,12 @@ elf_fake_sections (abfd, asect, failedptrarg)
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else
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BFD_ASSERT (elf_tdata (abfd)->cverrefs == 0
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|| this_hdr->sh_info == elf_tdata (abfd)->cverrefs);
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}
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else if ((asect->flags & SEC_GROUP) != 0)
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{
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this_hdr->sh_type = SHT_GROUP;
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break;
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case SHT_GROUP:
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this_hdr->sh_entsize = 4;
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break;
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}
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else if ((asect->flags & SEC_ALLOC) != 0
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&& (((asect->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
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|| (asect->flags & SEC_NEVER_LOAD) != 0))
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this_hdr->sh_type = SHT_NOBITS;
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else
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this_hdr->sh_type = SHT_PROGBITS;
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if ((asect->flags & SEC_ALLOC) != 0)
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this_hdr->sh_flags |= SHF_ALLOC;
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