--- /dev/null
+/* ELF support for BFD.
+ Copyright 1991, 1992, 1993, 1994, 1995, 1997, 1998, 2000, 2001, 2002
+ 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_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 */
+ 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 */
+} 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. */
+ unsigned char *contents; /* Section contents. */
+} 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; /* Visibilty, and target specific */
+ unsigned int st_shndx; /* Associated section index */
+};
+
+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 */
+ bfd_vma r_addend; /* Constant addend used to compute value */
+} 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;
+
+
+/* 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;
+ /* 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];
+};
+
+#endif /* _ELF_INTERNAL_H */
projects / repair.git / blobdiff