diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/elf/ChangeLog | 47 | ||||
| -rw-r--r-- | include/elf/internal.h | 203 |
2 files changed, 250 insertions, 0 deletions
diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog index a51ae25..5ae632d 100644 --- a/include/elf/ChangeLog +++ b/include/elf/ChangeLog @@ -1,3 +1,44 @@ +Tue Nov 28 16:58:10 1995 Ian Lance Taylor <ian@cygnus.com> + + * internal.h (struct elf_segment_map): Define. + +Tue Oct 31 15:19:36 1995 Fred Fish <fnf@cygnus.com> + + * arc.h, common.h, dwarf.h, external.h, hppa.h, internal.h, + mips.h, ppc.h: Protect against multiple inclusions. + +Thu Sep 21 13:51:58 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * ppc.h (EF_PPC_RELOCATABLE_LIB): Add new flag bit. + +Fri Sep 1 15:32:17 1995 Kazumoto Kojima <kkojima@info.kanagawa-u.ac.jp> + + * mips.h: Add some definitions used on Irix 5. + +Tue Jun 20 10:18:28 1995 Jeff Law (law@snake.cs.utah.edu) + + * hppa.h (CPU_PA_RISC1_0): Protect from redefinitions. + (CPU_PA_RISC1_1): Likewise. + +Wed Mar 8 18:14:37 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * ppc.h: New file for PowerPC support. + +Tue Feb 14 13:59:13 1995 Michael Meissner <meissner@tiktok.cygnus.com> + + * common.h (EM_PPC): Use offical value of 20, not 17. + (EM_PPC_OLD): Define this to be the old value of EM_PPC. + +start-sanitize-arc +Thu Feb 9 18:41:04 1995 Doug Evans <dje@canuck.cygnus.com> + + * arc.h: Rename ARCH to MACH for consistency with rest of BFD. + +Sat Jan 28 23:56:06 1995 Doug Evans <dje@canuck.cygnus.com> + + * arc.h: New file. +end-sanitize-arc + Tue Jan 24 09:40:59 1995 Michael Meissner <meissner@tiktok.cygnus.com> * common.h (EM_PPC): New macro, PowerPC machine id. @@ -6,6 +47,12 @@ Tue Jan 17 10:51:38 1995 Ian Lance Taylor <ian@sanguine.cygnus.com> * mips.h (SHT_MIPS_MSYM, SHT_MIPS_DWARF, SHT_MIPS_EVENTS): Define. +start-sanitize-arc +Wed Nov 30 01:42:39 1994 Doug Evans <dje@canuck.cygnus.com> + + * common.h (EM_CYGNUS_ARC): Define. +end-sanitize-arc + Mon Oct 17 13:43:59 1994 Ian Lance Taylor <ian@sanguine.cygnus.com> * internal.h (Elf_Internal_Shdr): Remove rawdata and size fields. diff --git a/include/elf/internal.h b/include/elf/internal.h new file mode 100644 index 0000000..3dde6a6 --- /dev/null +++ b/include/elf/internal.h @@ -0,0 +1,203 @@ +/* ELF support for BFD. + Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc. + + 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 +Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + + +/* 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 { + unsigned char e_ident[EI_NIDENT]; /* ELF "magic number" */ + bfd_vma e_entry; /* Entry point virtual address */ + bfd_signed_vma e_phoff; /* Program header table file offset */ + bfd_signed_vma 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 */ + unsigned short e_ehsize; /* ELF header size in bytes */ + unsigned short e_phentsize; /* Program header table entry size */ + unsigned short e_phnum; /* Program header table entry count */ + unsigned short e_shentsize; /* Section header table entry size */ + unsigned short e_shnum; /* Section header table entry count */ + unsigned short e_shstrndx; /* Section header string table index */ +} Elf_Internal_Ehdr; + +#define elf32_internal_ehdr elf_internal_ehdr +#define Elf32_Internal_Ehdr Elf_Internal_Ehdr +#define elf64_internal_ehdr elf_internal_ehdr +#define Elf64_Internal_Ehdr 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; +#define elf32_internal_phdr elf_internal_phdr +#define Elf32_Internal_Phdr Elf_Internal_Phdr +#define elf64_internal_phdr elf_internal_phdr +#define Elf64_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. */ + PTR contents; /* Section contents. */ +} Elf_Internal_Shdr; + +#define elf32_internal_shdr elf_internal_shdr +#define Elf32_Internal_Shdr Elf_Internal_Shdr +#define elf64_internal_shdr elf_internal_shdr +#define Elf64_Internal_Shdr 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 */ + unsigned char st_other; /* No defined meaning, 0 */ + unsigned short st_shndx; /* Associated section index */ +}; + +typedef struct elf_internal_sym Elf_Internal_Sym; + +#define elf32_internal_sym elf_internal_sym +#define elf64_internal_sym elf_internal_sym +#define Elf32_Internal_Sym Elf_Internal_Sym +#define Elf64_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 name[1]; /* Start of the name+desc data */ +} Elf_Internal_Note; +#define Elf32_Internal_Note Elf_Internal_Note +#define elf32_internal_note elf_internal_note + +/* Relocation Entries */ + +typedef struct elf_internal_rel { + bfd_vma r_offset; /* Location at which to apply the action */ + /* This needs to support 64-bit values in elf64. */ + bfd_vma r_info; /* index and type of relocation */ +} Elf_Internal_Rel; + +#define elf32_internal_rel elf_internal_rel +#define Elf32_Internal_Rel Elf_Internal_Rel +#define elf64_internal_rel elf_internal_rel +#define Elf64_Internal_Rel Elf_Internal_Rel + +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 */ + bfd_signed_vma r_addend; /* Constant addend used to compute value */ +} Elf_Internal_Rela; + +#define elf32_internal_rela elf_internal_rela +#define elf64_internal_rela elf_internal_rela +#define Elf32_Internal_Rela Elf_Internal_Rela +#define Elf64_Internal_Rela 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; + +#define elf32_internal_dyn elf_internal_dyn +#define elf64_internal_dyn elf_internal_dyn +#define Elf32_Internal_Dyn Elf_Internal_Dyn +#define Elf64_Internal_Dyn Elf_Internal_Dyn + +/* 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; + /* 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; + /* Number of sections. (Always 0 if p_type == PT_PHDR). */ + unsigned int count; + /* Sections. Actual number of elements is in count field. */ + asection *sections[1]; +}; + +#endif /* _ELF_INTERNAL_H */ |