mirror of
https://git.proxmox.com/git/mirror_edk2
synced 2025-11-04 02:40:26 +00:00
f7496d7173
1. Do not use tab characters 2. No trailing white space in one line 3. All files must end with CRLF Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Liming Gao <liming.gao@intel.com> Cc: Yonghong Zhu <yonghong.zhu@intel.com> Reviewed-by: Yonghong Zhu <yonghong.zhu@intel.com>
259 lines
8.0 KiB
C
259 lines
8.0 KiB
C
/** @file
|
|
Ported ELF include files from FreeBSD
|
|
|
|
Copyright (c) 2009 - 2010, Apple Inc. All rights reserved.<BR>
|
|
This program and the accompanying materials
|
|
are licensed and made available under the terms and conditions of the BSD License
|
|
which accompanies this distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
|
|
|
|
**/
|
|
/*-
|
|
* Copyright (c) 1996-1998 John D. Polstra.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD: src/sys/sys/elf32.h,v 1.8.14.2 2007/12/03 21:30:36 marius Exp $
|
|
*/
|
|
|
|
#ifndef _SYS_ELF32_H_
|
|
#define _SYS_ELF32_H_ 1
|
|
|
|
|
|
/*
|
|
* ELF definitions common to all 32-bit architectures.
|
|
*/
|
|
|
|
typedef UINT32 Elf32_Addr;
|
|
typedef UINT16 Elf32_Half;
|
|
typedef UINT32 Elf32_Off;
|
|
typedef INT32 Elf32_Sword;
|
|
typedef UINT32 Elf32_Word;
|
|
typedef UINT64 Elf32_Lword;
|
|
|
|
typedef Elf32_Word Elf32_Hashelt;
|
|
|
|
/* Non-standard class-dependent datatype used for abstraction. */
|
|
typedef Elf32_Word Elf32_Size;
|
|
typedef Elf32_Sword Elf32_Ssize;
|
|
|
|
/*
|
|
* ELF header.
|
|
*/
|
|
|
|
typedef struct {
|
|
unsigned char e_ident[EI_NIDENT]; /* File identification. */
|
|
Elf32_Half e_type; /* File type. */
|
|
Elf32_Half e_machine; /* Machine architecture. */
|
|
Elf32_Word e_version; /* ELF format version. */
|
|
Elf32_Addr e_entry; /* Entry point. */
|
|
Elf32_Off e_phoff; /* Program header file offset. */
|
|
Elf32_Off e_shoff; /* Section header file offset. */
|
|
Elf32_Word e_flags; /* Architecture-specific flags. */
|
|
Elf32_Half e_ehsize; /* Size of ELF header in bytes. */
|
|
Elf32_Half e_phentsize; /* Size of program header entry. */
|
|
Elf32_Half e_phnum; /* Number of program header entries. */
|
|
Elf32_Half e_shentsize; /* Size of section header entry. */
|
|
Elf32_Half e_shnum; /* Number of section header entries. */
|
|
Elf32_Half e_shstrndx; /* Section name strings section. */
|
|
} Elf32_Ehdr;
|
|
|
|
/*
|
|
* Section header.
|
|
*/
|
|
|
|
typedef struct {
|
|
Elf32_Word sh_name; /* Section name (index into the
|
|
section header string table). */
|
|
Elf32_Word sh_type; /* Section type. */
|
|
Elf32_Word sh_flags; /* Section flags. */
|
|
Elf32_Addr sh_addr; /* Address in memory image. */
|
|
Elf32_Off sh_offset; /* Offset in file. */
|
|
Elf32_Word sh_size; /* Size in bytes. */
|
|
Elf32_Word sh_link; /* Index of a related section. */
|
|
Elf32_Word sh_info; /* Depends on section type. */
|
|
Elf32_Word sh_addralign; /* Alignment in bytes. */
|
|
Elf32_Word sh_entsize; /* Size of each entry in section. */
|
|
} Elf32_Shdr;
|
|
|
|
/*
|
|
* Program header.
|
|
*/
|
|
|
|
typedef struct {
|
|
Elf32_Word p_type; /* Entry type. */
|
|
Elf32_Off p_offset; /* File offset of contents. */
|
|
Elf32_Addr p_vaddr; /* Virtual address in memory image. */
|
|
Elf32_Addr p_paddr; /* Physical address (not used). */
|
|
Elf32_Word p_filesz; /* Size of contents in file. */
|
|
Elf32_Word p_memsz; /* Size of contents in memory. */
|
|
Elf32_Word p_flags; /* Access permission flags. */
|
|
Elf32_Word p_align; /* Alignment in memory and file. */
|
|
} Elf32_Phdr;
|
|
|
|
/*
|
|
* Dynamic structure. The ".dynamic" section contains an array of them.
|
|
*/
|
|
|
|
typedef struct {
|
|
Elf32_Sword d_tag; /* Entry type. */
|
|
union {
|
|
Elf32_Word d_val; /* Integer value. */
|
|
Elf32_Addr d_ptr; /* Address value. */
|
|
} d_un;
|
|
} Elf32_Dyn;
|
|
|
|
/*
|
|
* Relocation entries.
|
|
*/
|
|
|
|
/* Relocations that don't need an addend field. */
|
|
typedef struct {
|
|
Elf32_Addr r_offset; /* Location to be relocated. */
|
|
Elf32_Word r_info; /* Relocation type and symbol index. */
|
|
} Elf32_Rel;
|
|
|
|
/* Relocations that need an addend field. */
|
|
typedef struct {
|
|
Elf32_Addr r_offset; /* Location to be relocated. */
|
|
Elf32_Word r_info; /* Relocation type and symbol index. */
|
|
Elf32_Sword r_addend; /* Addend. */
|
|
} Elf32_Rela;
|
|
|
|
/* Macros for accessing the fields of r_info. */
|
|
#define ELF32_R_SYM(info) ((info) >> 8)
|
|
#define ELF32_R_TYPE(info) ((unsigned char)(info))
|
|
|
|
/* Macro for constructing r_info from field values. */
|
|
#define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type))
|
|
|
|
/*
|
|
* Note entry header
|
|
*/
|
|
typedef Elf_Note Elf32_Nhdr;
|
|
|
|
/*
|
|
* Move entry
|
|
*/
|
|
typedef struct {
|
|
Elf32_Lword m_value; /* symbol value */
|
|
Elf32_Word m_info; /* size + index */
|
|
Elf32_Word m_poffset; /* symbol offset */
|
|
Elf32_Half m_repeat; /* repeat count */
|
|
Elf32_Half m_stride; /* stride info */
|
|
} Elf32_Move;
|
|
|
|
/*
|
|
* The macros compose and decompose values for Move.r_info
|
|
*
|
|
* sym = ELF32_M_SYM(M.m_info)
|
|
* size = ELF32_M_SIZE(M.m_info)
|
|
* M.m_info = ELF32_M_INFO(sym, size)
|
|
*/
|
|
#define ELF32_M_SYM(info) ((info)>>8)
|
|
#define ELF32_M_SIZE(info) ((unsigned char)(info))
|
|
#define ELF32_M_INFO(sym, size) (((sym)<<8)+(unsigned char)(size))
|
|
|
|
/*
|
|
* Hardware/Software capabilities entry
|
|
*/
|
|
typedef struct {
|
|
Elf32_Word c_tag; /* how to interpret value */
|
|
union {
|
|
Elf32_Word c_val;
|
|
Elf32_Addr c_ptr;
|
|
} c_un;
|
|
} Elf32_Cap;
|
|
|
|
/*
|
|
* Symbol table entries.
|
|
*/
|
|
|
|
typedef struct {
|
|
Elf32_Word st_name; /* String table index of name. */
|
|
Elf32_Addr st_value; /* Symbol value. */
|
|
Elf32_Word st_size; /* Size of associated object. */
|
|
unsigned char st_info; /* Type and binding information. */
|
|
unsigned char st_other; /* Reserved (not used). */
|
|
Elf32_Half st_shndx; /* Section index of symbol. */
|
|
} Elf32_Sym;
|
|
|
|
/* Macros for accessing the fields of st_info. */
|
|
#define ELF32_ST_BIND(info) ((info) >> 4)
|
|
#define ELF32_ST_TYPE(info) ((info) & 0xf)
|
|
|
|
/* Macro for constructing st_info from field values. */
|
|
#define ELF32_ST_INFO(bind, type) (((bind) << 4) + ((type) & 0xf))
|
|
|
|
/* Macro for accessing the fields of st_other. */
|
|
#define ELF32_ST_VISIBILITY(oth) ((oth) & 0x3)
|
|
|
|
/* Structures used by Sun & GNU symbol versioning. */
|
|
typedef struct
|
|
{
|
|
Elf32_Half vd_version;
|
|
Elf32_Half vd_flags;
|
|
Elf32_Half vd_ndx;
|
|
Elf32_Half vd_cnt;
|
|
Elf32_Word vd_hash;
|
|
Elf32_Word vd_aux;
|
|
Elf32_Word vd_next;
|
|
} Elf32_Verdef;
|
|
|
|
typedef struct
|
|
{
|
|
Elf32_Word vda_name;
|
|
Elf32_Word vda_next;
|
|
} Elf32_Verdaux;
|
|
|
|
typedef struct
|
|
{
|
|
Elf32_Half vn_version;
|
|
Elf32_Half vn_cnt;
|
|
Elf32_Word vn_file;
|
|
Elf32_Word vn_aux;
|
|
Elf32_Word vn_next;
|
|
} Elf32_Verneed;
|
|
|
|
typedef struct
|
|
{
|
|
Elf32_Word vna_hash;
|
|
Elf32_Half vna_flags;
|
|
Elf32_Half vna_other;
|
|
Elf32_Word vna_name;
|
|
Elf32_Word vna_next;
|
|
} Elf32_Vernaux;
|
|
|
|
typedef Elf32_Half Elf32_Versym;
|
|
|
|
typedef struct {
|
|
Elf32_Half si_boundto; /* direct bindings - symbol bound to */
|
|
Elf32_Half si_flags; /* per symbol flags */
|
|
} Elf32_Syminfo;
|
|
|
|
#endif /* !_SYS_ELF32_H_ */
|