1999-05-03 09:29:11 +02:00
|
|
|
/* ELF support for BFD.
|
2005-03-03 12:58:10 +01:00
|
|
|
Copyright 1991, 1992, 1993, 1994, 1995, 1997, 1998, 2000, 2001, 2002,
|
2006-05-27 02:47:45 +02:00
|
|
|
2003, 2006 Free Software Foundation, Inc.
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
Written by Fred Fish @ Cygnus Support, from information published
|
|
|
|
in "UNIX System V Release 4, Programmers Guide: ANSI C and
|
|
|
|
Programming Support Tools".
|
|
|
|
|
|
|
|
This file is part of BFD, the Binary File Descriptor library.
|
|
|
|
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
|
|
it under the terms of the GNU General Public License as published by
|
|
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
|
|
(at your option) any later version.
|
|
|
|
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
GNU General Public License for more details.
|
|
|
|
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
|
|
along with this program; if not, write to the Free Software
|
2005-05-10 12:21:13 +02:00
|
|
|
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
|
|
/* This file is part of ELF support for BFD, and contains the portions
|
|
|
|
that describe how ELF is represented internally in the BFD library.
|
|
|
|
I.E. it describes the in-memory representation of ELF. It requires
|
|
|
|
the elf-common.h file which contains the portions that are common to
|
|
|
|
both the internal and external representations. */
|
|
|
|
|
|
|
|
|
|
|
|
/* NOTE that these structures are not kept in the same order as they appear
|
|
|
|
in the object file. In some cases they've been reordered for more optimal
|
|
|
|
packing under various circumstances. */
|
|
|
|
|
|
|
|
#ifndef _ELF_INTERNAL_H
|
|
|
|
#define _ELF_INTERNAL_H
|
|
|
|
|
|
|
|
/* ELF Header */
|
|
|
|
|
|
|
|
#define EI_NIDENT 16 /* Size of e_ident[] */
|
|
|
|
|
|
|
|
typedef struct elf_internal_ehdr {
|
2001-10-23 06:42:12 +02:00
|
|
|
unsigned char e_ident[EI_NIDENT]; /* ELF "magic number" */
|
|
|
|
bfd_vma e_entry; /* Entry point virtual address */
|
|
|
|
bfd_size_type e_phoff; /* Program header table file offset */
|
|
|
|
bfd_size_type e_shoff; /* Section header table file offset */
|
|
|
|
unsigned long e_version; /* Identifies object file version */
|
|
|
|
unsigned long e_flags; /* Processor-specific flags */
|
|
|
|
unsigned short e_type; /* Identifies object file type */
|
|
|
|
unsigned short e_machine; /* Specifies required architecture */
|
2001-12-11 06:37:33 +01:00
|
|
|
unsigned int e_ehsize; /* ELF header size in bytes */
|
|
|
|
unsigned int e_phentsize; /* Program header table entry size */
|
|
|
|
unsigned int e_phnum; /* Program header table entry count */
|
|
|
|
unsigned int e_shentsize; /* Section header table entry size */
|
|
|
|
unsigned int e_shnum; /* Section header table entry count */
|
|
|
|
unsigned int e_shstrndx; /* Section header string table index */
|
1999-05-03 09:29:11 +02:00
|
|
|
} Elf_Internal_Ehdr;
|
|
|
|
|
|
|
|
/* Program header */
|
|
|
|
|
|
|
|
struct elf_internal_phdr {
|
|
|
|
unsigned long p_type; /* Identifies program segment type */
|
|
|
|
unsigned long p_flags; /* Segment flags */
|
|
|
|
bfd_vma p_offset; /* Segment file offset */
|
|
|
|
bfd_vma p_vaddr; /* Segment virtual address */
|
|
|
|
bfd_vma p_paddr; /* Segment physical address */
|
|
|
|
bfd_vma p_filesz; /* Segment size in file */
|
|
|
|
bfd_vma p_memsz; /* Segment size in memory */
|
|
|
|
bfd_vma p_align; /* Segment alignment, file & memory */
|
|
|
|
};
|
|
|
|
|
|
|
|
typedef struct elf_internal_phdr Elf_Internal_Phdr;
|
|
|
|
|
|
|
|
/* Section header */
|
|
|
|
|
|
|
|
typedef struct elf_internal_shdr {
|
|
|
|
unsigned int sh_name; /* Section name, index in string tbl */
|
|
|
|
unsigned int sh_type; /* Type of section */
|
|
|
|
bfd_vma sh_flags; /* Miscellaneous section attributes */
|
|
|
|
bfd_vma sh_addr; /* Section virtual addr at execution */
|
|
|
|
bfd_size_type sh_size; /* Size of section in bytes */
|
|
|
|
bfd_size_type sh_entsize; /* Entry size if section holds table */
|
|
|
|
unsigned long sh_link; /* Index of another section */
|
|
|
|
unsigned long sh_info; /* Additional section information */
|
|
|
|
file_ptr sh_offset; /* Section file offset */
|
|
|
|
unsigned int sh_addralign; /* Section alignment */
|
|
|
|
|
|
|
|
/* The internal rep also has some cached info associated with it. */
|
|
|
|
asection * bfd_section; /* Associated BFD section. */
|
2001-10-17 03:44:50 +02:00
|
|
|
unsigned char *contents; /* Section contents. */
|
1999-05-03 09:29:11 +02:00
|
|
|
} Elf_Internal_Shdr;
|
|
|
|
|
|
|
|
/* Symbol table entry */
|
|
|
|
|
|
|
|
struct elf_internal_sym {
|
|
|
|
bfd_vma st_value; /* Value of the symbol */
|
|
|
|
bfd_vma st_size; /* Associated symbol size */
|
|
|
|
unsigned long st_name; /* Symbol name, index in string tbl */
|
|
|
|
unsigned char st_info; /* Type and binding attributes */
|
2000-07-12 13:54:35 +02:00
|
|
|
unsigned char st_other; /* Visibilty, and target specific */
|
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.
2001-12-17 01:52:35 +01:00
|
|
|
unsigned int st_shndx; /* Associated section index */
|
1999-05-03 09:29:11 +02:00
|
|
|
};
|
|
|
|
|
|
|
|
typedef struct elf_internal_sym Elf_Internal_Sym;
|
|
|
|
|
|
|
|
/* Note segments */
|
|
|
|
|
|
|
|
typedef struct elf_internal_note {
|
|
|
|
unsigned long namesz; /* Size of entry's owner string */
|
|
|
|
unsigned long descsz; /* Size of the note descriptor */
|
|
|
|
unsigned long type; /* Interpretation of the descriptor */
|
|
|
|
char * namedata; /* Start of the name+desc data */
|
|
|
|
char * descdata; /* Start of the desc data */
|
|
|
|
bfd_vma descpos; /* File offset of the descdata */
|
|
|
|
} Elf_Internal_Note;
|
|
|
|
|
|
|
|
/* Relocation Entries */
|
|
|
|
|
|
|
|
typedef struct elf_internal_rela {
|
|
|
|
bfd_vma r_offset; /* Location at which to apply the action */
|
|
|
|
bfd_vma r_info; /* Index and Type of relocation */
|
2001-09-18 12:01:41 +02:00
|
|
|
bfd_vma r_addend; /* Constant addend used to compute value */
|
1999-05-03 09:29:11 +02:00
|
|
|
} Elf_Internal_Rela;
|
|
|
|
|
|
|
|
/* dynamic section structure */
|
|
|
|
|
|
|
|
typedef struct elf_internal_dyn {
|
|
|
|
/* This needs to support 64-bit values in elf64. */
|
|
|
|
bfd_vma d_tag; /* entry tag value */
|
|
|
|
union {
|
|
|
|
/* This needs to support 64-bit values in elf64. */
|
|
|
|
bfd_vma d_val;
|
|
|
|
bfd_vma d_ptr;
|
|
|
|
} d_un;
|
|
|
|
} Elf_Internal_Dyn;
|
|
|
|
|
|
|
|
/* This structure appears in a SHT_GNU_verdef section. */
|
|
|
|
|
|
|
|
typedef struct elf_internal_verdef {
|
|
|
|
unsigned short vd_version; /* Version number of structure. */
|
|
|
|
unsigned short vd_flags; /* Flags (VER_FLG_*). */
|
|
|
|
unsigned short vd_ndx; /* Version index. */
|
|
|
|
unsigned short vd_cnt; /* Number of verdaux entries. */
|
|
|
|
unsigned long vd_hash; /* Hash of name. */
|
|
|
|
unsigned long vd_aux; /* Offset to verdaux entries. */
|
|
|
|
unsigned long vd_next; /* Offset to next verdef. */
|
|
|
|
|
|
|
|
/* These fields are set up when BFD reads in the structure. FIXME:
|
|
|
|
It would be cleaner to store these in a different structure. */
|
|
|
|
bfd *vd_bfd; /* BFD. */
|
|
|
|
const char *vd_nodename; /* Version name. */
|
|
|
|
struct elf_internal_verdef *vd_nextdef; /* vd_next as pointer. */
|
|
|
|
struct elf_internal_verdaux *vd_auxptr; /* vd_aux as pointer. */
|
|
|
|
unsigned int vd_exp_refno; /* Used by the linker. */
|
|
|
|
} Elf_Internal_Verdef;
|
|
|
|
|
|
|
|
/* This structure appears in a SHT_GNU_verdef section. */
|
|
|
|
|
|
|
|
typedef struct elf_internal_verdaux {
|
|
|
|
unsigned long vda_name; /* String table offset of name. */
|
|
|
|
unsigned long vda_next; /* Offset to next verdaux. */
|
|
|
|
|
|
|
|
/* These fields are set up when BFD reads in the structure. FIXME:
|
|
|
|
It would be cleaner to store these in a different structure. */
|
|
|
|
const char *vda_nodename; /* vda_name as pointer. */
|
|
|
|
struct elf_internal_verdaux *vda_nextptr; /* vda_next as pointer. */
|
|
|
|
} Elf_Internal_Verdaux;
|
|
|
|
|
|
|
|
/* This structure appears in a SHT_GNU_verneed section. */
|
|
|
|
|
|
|
|
typedef struct elf_internal_verneed {
|
|
|
|
unsigned short vn_version; /* Version number of structure. */
|
|
|
|
unsigned short vn_cnt; /* Number of vernaux entries. */
|
|
|
|
unsigned long vn_file; /* String table offset of library name. */
|
|
|
|
unsigned long vn_aux; /* Offset to vernaux entries. */
|
|
|
|
unsigned long vn_next; /* Offset to next verneed. */
|
|
|
|
|
|
|
|
/* These fields are set up when BFD reads in the structure. FIXME:
|
|
|
|
It would be cleaner to store these in a different structure. */
|
|
|
|
bfd *vn_bfd; /* BFD. */
|
|
|
|
const char *vn_filename; /* vn_file as pointer. */
|
|
|
|
struct elf_internal_vernaux *vn_auxptr; /* vn_aux as pointer. */
|
|
|
|
struct elf_internal_verneed *vn_nextref; /* vn_nextref as pointer. */
|
|
|
|
} Elf_Internal_Verneed;
|
|
|
|
|
|
|
|
/* This structure appears in a SHT_GNU_verneed section. */
|
|
|
|
|
|
|
|
typedef struct elf_internal_vernaux {
|
|
|
|
unsigned long vna_hash; /* Hash of dependency name. */
|
|
|
|
unsigned short vna_flags; /* Flags (VER_FLG_*). */
|
|
|
|
unsigned short vna_other; /* Unused. */
|
|
|
|
unsigned long vna_name; /* String table offset to version name. */
|
|
|
|
unsigned long vna_next; /* Offset to next vernaux. */
|
|
|
|
|
|
|
|
/* These fields are set up when BFD reads in the structure. FIXME:
|
|
|
|
It would be cleaner to store these in a different structure. */
|
|
|
|
const char *vna_nodename; /* vna_name as pointer. */
|
|
|
|
struct elf_internal_vernaux *vna_nextptr; /* vna_next as pointer. */
|
|
|
|
} Elf_Internal_Vernaux;
|
|
|
|
|
|
|
|
/* This structure appears in a SHT_GNU_versym section. This is not a
|
|
|
|
standard ELF structure; ELF just uses Elf32_Half. */
|
|
|
|
|
|
|
|
typedef struct elf_internal_versym {
|
|
|
|
unsigned short vs_vers;
|
|
|
|
} Elf_Internal_Versym;
|
|
|
|
|
|
|
|
/* Structure for syminfo section. */
|
|
|
|
typedef struct
|
|
|
|
{
|
|
|
|
unsigned short int si_boundto;
|
|
|
|
unsigned short int si_flags;
|
|
|
|
} Elf_Internal_Syminfo;
|
|
|
|
|
2003-05-21 02:55:15 +02:00
|
|
|
/* This structure appears on the stack and in NT_AUXV core file notes. */
|
|
|
|
typedef struct
|
|
|
|
{
|
|
|
|
bfd_vma a_type;
|
|
|
|
bfd_vma a_val;
|
|
|
|
} Elf_Internal_Auxv;
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
/* This structure is used to describe how sections should be assigned
|
|
|
|
to program segments. */
|
|
|
|
|
|
|
|
struct elf_segment_map
|
|
|
|
{
|
|
|
|
/* Next program segment. */
|
|
|
|
struct elf_segment_map *next;
|
|
|
|
/* Program segment type. */
|
|
|
|
unsigned long p_type;
|
|
|
|
/* Program segment flags. */
|
|
|
|
unsigned long p_flags;
|
|
|
|
/* Program segment physical address. */
|
|
|
|
bfd_vma p_paddr;
|
2006-05-27 02:47:45 +02:00
|
|
|
/* Program segment alignment. */
|
|
|
|
bfd_vma p_align;
|
1999-05-03 09:29:11 +02:00
|
|
|
/* Whether the p_flags field is valid; if not, the flags are based
|
|
|
|
on the section flags. */
|
|
|
|
unsigned int p_flags_valid : 1;
|
|
|
|
/* Whether the p_paddr field is valid; if not, the physical address
|
|
|
|
is based on the section lma values. */
|
|
|
|
unsigned int p_paddr_valid : 1;
|
2006-05-27 02:47:45 +02:00
|
|
|
/* Whether the p_align field is valid; if not, PT_LOAD segment
|
|
|
|
alignment is based on the default maximum page size. */
|
|
|
|
unsigned int p_align_valid : 1;
|
1999-05-03 09:29:11 +02:00
|
|
|
/* Whether this segment includes the file header. */
|
|
|
|
unsigned int includes_filehdr : 1;
|
|
|
|
/* Whether this segment includes the program headers. */
|
|
|
|
unsigned int includes_phdrs : 1;
|
|
|
|
/* Number of sections (may be 0). */
|
|
|
|
unsigned int count;
|
|
|
|
/* Sections. Actual number of elements is in count field. */
|
|
|
|
asection *sections[1];
|
|
|
|
};
|
|
|
|
|
2006-02-10 16:04:19 +01:00
|
|
|
/* Decide if the given sec_hdr is in the given segment in file. */
|
|
|
|
#define ELF_IS_SECTION_IN_SEGMENT_FILE(sec_hdr, segment) \
|
|
|
|
(sec_hdr->sh_size > 0 \
|
|
|
|
/* PT_TLS segment contains only SHF_TLS sections. */ \
|
|
|
|
&& (segment->p_type != PT_TLS \
|
|
|
|
|| (sec_hdr->sh_flags & SHF_TLS) != 0) \
|
|
|
|
/* Compare allocated sec_hdrs by VMA, unallocated sec_hdrs \
|
|
|
|
by file offset. */ \
|
|
|
|
&& (sec_hdr->sh_flags & SHF_ALLOC \
|
|
|
|
? (sec_hdr->sh_addr >= segment->p_vaddr \
|
|
|
|
&& sec_hdr->sh_addr + sec_hdr->sh_size \
|
|
|
|
<= segment->p_vaddr + segment->p_memsz) \
|
|
|
|
: ((bfd_vma) sec_hdr->sh_offset >= segment->p_offset \
|
|
|
|
&& (sec_hdr->sh_offset + sec_hdr->sh_size \
|
|
|
|
<= segment->p_offset + segment->p_filesz))))
|
|
|
|
|
|
|
|
/* Decide if the given sec_hdr is in the given segment in memory. */
|
|
|
|
#define ELF_IS_SECTION_IN_SEGMENT_MEMORY(sec_hdr, segment) \
|
|
|
|
(ELF_IS_SECTION_IN_SEGMENT_FILE (sec_hdr, segment) \
|
|
|
|
/* .tbss is special. It doesn't contribute memory space to \
|
|
|
|
normal segments. */ \
|
|
|
|
&& (!((sec_hdr->sh_flags & SHF_TLS) != 0 \
|
|
|
|
&& sec_hdr->sh_type == SHT_NOBITS) \
|
|
|
|
|| segment->p_type == PT_TLS))
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
#endif /* _ELF_INTERNAL_H */
|