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authorAlan Modra <amodra@gmail.com>2001-12-17 00:52:35 +0000
committerAlan Modra <amodra@gmail.com>2001-12-17 00:52:35 +0000
commit9ad5cbcfb23cb74d34bd04f88f4e47c0f5de5155 (patch)
treead50ccd4f5e9865bf609bf15586311f30452ee23 /include/elf
parent76f63e91263a394065560500287a32d72c088967 (diff)
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Support for more than 64k ELF sections.
include/elf/ChangeLog * external.h (Elf_External_Sym_Shndx): Declare. * internal.h (struct elf_internal_sym <st_shndx>): Make it an unsigned int. * common.h (SHN_BAD): Define. bfd/ChangeLog * configure.in: Bump bfd version. * configure: Regenerate. * elf-bfd.h (elf_size_info <swap_symbol_out>): Add shndx param. (bfd_elf32_swap_symbol_in): Likewise. (bfd_elf32_swap_symbol_out): Likewise. (bfd_elf64_swap_symbol_in): Likewise. (bfd_elf64_swap_symbol_out): Likewise. (elf_reloc_cookie): Add locsym_shndx field. Make locsyms a PTR. (elf_obj_tdata): Add num_elf_sections, symtab_shndx_hdr and symtab_shndx_section. (elf_numsections): Define. (elf_symtab_shndx): Define. * elf.c (setup_group): Use elf_numsections rather than header e_shnum. (bfd_elf_find_section): Likewise. (bfd_section_from_elf_index): Likewise. (bfd_section_from_shdr): Likewise. Handle SHT_SYMTAB_SHNDX. (bfd_section_from_r_symndx): Read symbol shndx extension, and translate st_shndx for > SHN_HIRESERVE. (assign_section_numbers): Skip reserved sections. Assign symtab_shndx_section and elf_numsections. Exclude reserved sections from e_shnum. Set up symtab_shndx_hdr. (_bfd_elf_compute_section_file_positions): Handle symtab_shndx_hdr. (map_sections_to_segments): Don't map eh_frame_hdr unless required. (assign_file_positions_except_relocs): Use elf_numsections rather than header e_shnum. Skip reserved sections and symtab_shndx_section. (prep_headers): Set name for symtab_shndx_hdr. (_bfd_elf_assign_file_positions_for_relocs): Use elf_numsections. (_bfd_elf_write_object_contents): Likewise. Skip reserved sections. (_bfd_elf_section_from_bfd_section): Check bfd_{abs,com,und}_section first. Use elf_section_data if available. Use elf_numsections. Start scan at index 1. (copy_private_bfd_data ): Comment fixes. (MAP_ONESYMTAB): Define above SHN_HIOS. (MAP_DYNSYMTAB): Likewise. (MAP_STRTAB): Likewise. (MAP_SHSTRTAB): Likewise. (MAP_SYM_SHNDX): New define. (_bfd_elf_copy_private_symbol_data): Handle symtab_shndx_section. (swap_out_syms): Swap out SHT_SYMTAB_SHNDX section too. * elfcode.h (elf_swap_symbol_in): Add shndx param, and handle shndx extension. (elf_swap_symbol_out): Likewise. (elf_object_p): Set elf_numsections, and use instead of e_shnum. Initialialise reserved elf_elfsections to point at shdr[0]. Remove redundant bfd_release calls. (elf_slurp_symbol_table): Read symbol shndx extension, and use with elf_swap_symbol_in. Translate st_shndx for > SHN_HIRESERVE too. * elflink.h (elf_link_is_defined_archive_symbol): Read symbol shndx extension, and use with elf_swap_symbol_in. (elf_link_record_local_dynamic_symbol): Likewise. (elf_link_add_object_symbols): Likewise. Also translate st_shndx for elf sections > SHN_HIRESERVE. (NAME(bfd_elf,size_dynamic_sections)): Adjust elf_swap_symbol_out call. (struct elf_final_link_info): Add locsym_shndx and symshndxbuf. (elf_bfd_final_link): Allocate the above, and tidy code allocating other buffers. Use elf_numsections instead of e_shnum. Adjust elf_swap_symbol_out calls. (elf_link_output_sym): Swap out symbol shndx extension too. (elf_link_flush_output_syms): And flush them to disk. (elf_link_output_extsym): Use SHN_BAD. Adjust elf_swap_symbol_out calls. (elf_gc_mark): Read symbol shndx extension, and use with elf_swap_symbol_in. (elf_link_input_bfd): Likewise, Translate st_shndx for elf sections > SHN_HIRESERVE too. Use SHN_BAD. (elf_reloc_symbol_deleted_p): Use symbol shndx extensions with elf_swap_symbol_in. Translate st_shndx > SHN_HIRESERVE too. (elf_bfd_discard_info): Read symbol shndx extension. Don't attempt to continue after a bfd error. * elf-m10200.c (mn10200_elf_relax_section): Only read local syms. Stash them immediately to symtab_hdr->contents rather than later in multiple places. Clean up afterwards. Read symbol shndx extension, and use with swap_symbol_in. Translate SHN_UNDEF, SHN_ABS, SHN_COMMON and elf sections > SHN_HIRESERVE to bfd sections too. Remove dead code. (mn10200_elf_relax_delete_bytes): Use symbol shndx extension when swapping in symbols. Tidy code adjusting global syms. Don't swap in global syms. (mn10200_elf_symbol_address_p): Likewise. Remove extsyms param. (mn10200_elf_get_relocated_section_contents): Read symbol shndx extension, and use with swap_symbol_in. Rename "size" -> "amt" to maximize code in common with other files. Translate st_shndx for > SHN_HIRESERVE too. Remove dead code. * elf-m10300.c (mn10300_elf_relax_section): Only read local syms. Stash them immediately to symtab_hdr->contents rather than later in multiple places. Clean up afterwards. Read symbol shndx extension, and use with swap_symbol_in. Remove dead code. (mn10300_elf_relax_delete_bytes): As for elf-m10200.c. (mn10300_elf_symbol_address_p): Likewise. (mn10300_elf_get_relocated_section_contents): Likewise. * elf32-h8300.c (elf32_h8_relax_section): As for elf-m10300.c. (elf32_h8_relax_delete_bytes): Likewise. (elf32_h8_symbol_address_p): Likewise. (elf32_h8_get_relocated_section_contents): Likewise. * elf32-hppa.c (elf32_hppa_size_stubs): Read symbol shndx extension, and use with swap_symbol_in. * elf64-hppa.c (elf64_hppa_check_relocs): Likewise. * elf32-i370.c (i370_elf_finish_dynamic_sections): Adjust call to bfd_elf32_swap_symbol_out. * elf32-m32r.c (m32r_elf_get_relocated_section_contents): Translate elf sections > SHN_HIRESERVE too. * elf32-m68k.c (bfd_m68k_elf32_create_embedded_relocs): Only read local syms. Read symbol shndx extension, and use with swap_symbol_in. * elf32-mips.c (_bfd_mips_elf_final_write_processing): Use elf_numsections rather than header e_shnum. * elf32-sh.c (sh_elf_relax_section): As for elf-m10300.c. (sh_elf_relax_delete_bytes): Likewise. (sh_elf_get_relocated_section_contents): Likewise. Only read local symbols. * elf32-v850.c (v850_elf_symbol_processing): Use an unsigned int to hold section index. Use elf_numsections rather than e_shnum. Rename "index" -> "indx" to avoid shadowing warning. (v850_elf_add_symbol_hook): Likewise. * elf64-alpha.c (elf64_alpha_relax_section): Only read local syms. Read symbol shndx extension, and use with swap_symbol_in. * elf32-xstormy16.c (xstormy16_elf_relax_section): Likewise. Translate SHN_COMMON and elf sections > SHN_HIRESERVE too. * elfxx-ia64.c (elfNN_ia64_relax_section): Likewise. (elfNN_ia64_aix_add_symbol_hook): Use elf_numsections. * elf-m10300.c (mn10300_elf_gc_mark_hook): Remove unnecessary checks before calling bfd_section_from_elf_index on local syms. * elf32-arm.h (elf32_arm_gc_mark_hook): Likewise. * elf32-avr.c (elf32_avr_gc_mark_hook): Likewise. * elf32-cris.c (cris_elf_gc_mark_hook): Likewise. * elf32-d10v.c (elf32_d10v_gc_mark_hook): Likewise. * elf32-fr30.c (fr30_elf_gc_mark_hook): Likewise. * elf32-hppa.c (elf32_hppa_gc_mark_hook): Likewise. * elf32-i386.c (elf_i386_gc_mark_hook): Likewise. * elf32-m32r.c (m32r_elf_gc_mark_hook): Likewise. * elf32-m68k.c (elf_m68k_gc_mark_hook): Likewise. * elf32-mcore.c (mcore_elf_gc_mark_hook): Likewise. * elf32-mips.c (_bfd_mips_elf_gc_mark_hook): Likewise. * elf32-openrisc.c (openrisc_elf_gc_mark_hook): Likewise. * elf32-ppc.c (ppc_elf_gc_mark_hook): Likewise. * elf32-s390.c (elf_s390_gc_mark_hook): Likewise. * elf32-sh.c (sh_elf_gc_mark_hook): Likewise. * elf32-sparc.c (elf32_sparc_gc_mark_hook): Likewise. * elf32-v850.c (v850_elf_gc_mark_hook): Likewise. * elf32-xstormy16.c (xstormy16_elf_gc_mark_hook): Likewise. * elf64-mips.c (mips_elf64_gc_mark_hook): Likewise. * elf64-mmix.c (mmix_elf_gc_mark_hook): Likewise. * elf64-ppc.c (ppc64_elf_gc_mark_hook): Likewise. * elf64-s390.c (elf_s390_gc_mark_hook): Likewise. * elf64-x86-64.c (elf64_x86_64_gc_mark_hook): Likewise. binutils/ChangeLog * readelf.c (symtab_shndx_hdr): New global. (SECTION_HEADER_INDEX): Define. (SECTION_HEADER_NUM): Define. (SECTION_HEADER): Define. (GET_ELF_SYMBOLS): Pass two params rather than three. (get_32bit_elf_symbols): Take file and section args. Read and use SHT_SYMTAB_SHNDX. (get_64bit_elf_symbols): Likewise. (dump_relocations): Use SECTION_HEADER to index "section_headers". (process_section_headers): Likewise. Use SECTION_HEADER_NUM too. Remember symtab_shdx_hdr. (process_program_headers): Scan from index 1 for segment map. (slurp_ia64_unwind_table): Use SECTION_HEADER to index "section_headers". (process_relocs): Likewise. Also adjust call to GET_ELF_SYMBOLS. (process_unwind): Likewise. (process_version_sections): Likewise. (process_symbol_table): Likewise. (display_debug_info): Likewise. (process_dynamic_segment): Fake up a symtab section for changed GET_ELF_SYMBOLS. (get_symbol_index_type): Check SHN_LOOS before SHN_LORESERVE. (process_program_headers): Kill signed/unsigned warning. (load_debug_str): Likewise. (display_debug_info): Likewise.
Diffstat (limited to 'include/elf')
-rw-r--r--include/elf/ChangeLog7
-rw-r--r--include/elf/common.h1
-rw-r--r--include/elf/external.h4
-rw-r--r--include/elf/internal.h2
4 files changed, 13 insertions, 1 deletions
diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
index 4b200ab..1d0675d 100644
--- a/include/elf/ChangeLog
+++ b/include/elf/ChangeLog
@@ -1,3 +1,10 @@
+2001-12-17 Alan Modra <amodra@bigpond.net.au>
+
+ * external.h (Elf_External_Sym_Shndx): Declare.
+ * internal.h (struct elf_internal_sym <st_shndx>): Make it an
+ unsigned int.
+ * common.h (SHN_BAD): Define.
+
2001-12-11 Alan Modra <amodra@bigpond.net.au>
* common.h (SHN_XINDEX): Comment typo fix.
diff --git a/include/elf/common.h b/include/elf/common.h
index 36a0b4d..39ba05a 100644
--- a/include/elf/common.h
+++ b/include/elf/common.h
@@ -409,6 +409,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#define SHN_COMMON 0xFFF2 /* Associated symbol is in common */
#define SHN_XINDEX 0xFFFF /* Section index is held elsewhere */
#define SHN_HIRESERVE 0xFFFF /* End range of reserved indices */
+#define SHN_BAD ((unsigned) -1) /* Used internally by bfd */
/* The following constants control how a symbol may be accessed once it has
become part of an executable or shared library. */
diff --git a/include/elf/external.h b/include/elf/external.h
index 38e6596..403ee62 100644
--- a/include/elf/external.h
+++ b/include/elf/external.h
@@ -143,6 +143,10 @@ typedef struct {
unsigned char st_size[8]; /* Associated symbol size */
} Elf64_External_Sym;
+typedef struct {
+ unsigned char est_shndx[4]; /* Section index */
+} Elf_External_Sym_Shndx;
+
/* Note segments */
typedef struct {
diff --git a/include/elf/internal.h b/include/elf/internal.h
index 1e3f6a3..5d39d3a 100644
--- a/include/elf/internal.h
+++ b/include/elf/internal.h
@@ -114,7 +114,7 @@ struct elf_internal_sym {
unsigned long st_name; /* Symbol name, index in string tbl */
unsigned char st_info; /* Type and binding attributes */
unsigned char st_other; /* Visibilty, and target specific */
- unsigned short st_shndx; /* Associated section index */
+ unsigned int st_shndx; /* Associated section index */
};
typedef struct elf_internal_sym Elf_Internal_Sym;