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elf.h
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/******************************************************************************
* Copyright 2015-2022 Xilinx, Inc.
* Copyright 2022-2023 Advanced Micro Devices, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
#ifndef _SYS_ELF_H
#define _SYS_ELF_H
/*
-------------------------------------------------------------------------------
*********************************************** H E A D E R F I L E S ***
-------------------------------------------------------------------------------
*/
#include "elftypes.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
-------------------------------------------------------------------------------
********************************************* P R E P R O C E S S O R S ***
-------------------------------------------------------------------------------
*/
#define EI_NIDENT 16
#define ELF32_FSZ_ADDR 4
#define ELF32_FSZ_HALF 2
#define ELF32_FSZ_OFF 4
#define ELF32_FSZ_SWORD 4
#define ELF32_FSZ_WORD 4
/* e_ident[] indexes */
#define EI_MAG0 0
#define EI_MAG1 1
#define EI_MAG2 2
#define EI_MAG3 3
#define EI_CLASS 4
#define EI_DATA 5
#define EI_VERSION 6
#define EI_PAD 7
/* EI_MAG */
#define ELFMAG0 0x7f
#define ELFMAG1 'E'
#define ELFMAG2 'L'
#define ELFMAG3 'F'
#define ELFMAG "\177ELF"
#define SELFMAG 4
/* EI_DATA */
#define ELFDATANONE 0
#define ELFDATA2LSB 1
#define ELFDATA2MSB 2
#define ELFDATANUM 3
/* e_type */
#define ET_NONE 0
#define ET_REL 1
#define ET_EXEC 2
#define ET_DYN 3
#define ET_CORE 4
#define ET_NUM 5
/* processor specific range */
#define ET_LOPROC 0xff00
#define ET_HIPROC 0xffff
/* e_machine */
#define EM_NONE 0
#define EM_M32 1 /* AT&T WE 32100 */
#define EM_SPARC 2 /* Sun SPARC */
#define EM_386 3 /* Intel 80386 */
#define EM_68K 4 /* Motorola 68000 */
#define EM_88K 5 /* Motorola 88000 */
#define EM_486 6 /* Intel 80486 */
#define EM_860 7 /* Intel i860 */
#define EM_MIPS 8 /* MIPS RS3000 Big-Endian */
#define EM_UNKNOWN9 9
#define EM_MIPS_RS3_LE 10 /* MIPS RS3000 Little-Endian */
#define EM_RS6000 11 /* RS6000 */
#define EM_UNKNOWN12 12
#define EM_UNKNOWN13 13
#define EM_UNKNOWN14 14
#define EM_PA_RISC 15 /* PA-RISC */
#define EM_nCUBE 16 /* nCUBE */
#define EM_VPP500 17 /* Fujitsu VPP500 */
#define EM_SPARC32PLUS 18 /* Sun SPARC 32+ */
#define EM_UNKNOWN19 19
#define EM_PPC 20 /* PowerPC */
#define EM_NUM 21
/* e_version, EI_VERSION */
#define EV_NONE 0
#define EV_CURRENT 1
#define EV_NUM 2
/* p_type */
#define PT_NULL 0
#define PT_LOAD 1
#define PT_DYNAMIC 2
#define PT_INTERP 3
#define PT_NOTE 4
#define PT_SHLIB 5
#define PT_PHDR 6
#define PT_NUM 7
/* processor specific range */
#define PT_LOPROC 0x70000000
#define PT_HIPROC 0x7fffffff
/* p_flags */
#define PF_R 0x4
#define PF_W 0x2
#define PF_X 0x1
/* processor specific values */
#define PF_MASKPROC 0xf0000000
/* sh_type */
#define SHT_NULL 0
#define SHT_PROGBITS 1
#define SHT_SYMTAB 2
#define SHT_STRTAB 3
#define SHT_RELA 4
#define SHT_HASH 5
#define SHT_DYNAMIC 6
#define SHT_NOTE 7
#define SHT_NOBITS 8
#define SHT_REL 9
#define SHT_SHLIB 10
#define SHT_DYNSYM 11
#define SHT_NUM 12
#define SHT_LOSUNW 0x6ffffffd
#define SHT_SUNW_verdef 0x6ffffffd
#define SHT_SUNW_verneed 0x6ffffffe
#define SHT_SUNW_versym 0x6fffffff
#define SHT_HISUNW 0x6fffffff
/* processor specific range */
#define SHT_LOPROC 0x70000000
#define SHT_HIPROC 0x7fffffff
#define SHT_LOUSER 0x80000000
#define SHT_HIUSER 0xffffffff
/* sh_flags */
#define SHF_WRITE 0x1
#define SHF_ALLOC 0x2
#define SHF_EXECINSTR 0x4
/* processor specific values */
#define SHF_MASKPROC 0xf0000000
/* special section numbers */
#define SHN_UNDEF 0
#define SHN_LORESERVE 0xff00
#define SHN_ABS 0xfff1
#define SHN_COMMON 0xfff2
#define SHN_HIRESERVE 0xffff
/* processor specific range */
#define SHN_LOPROC 0xff00
#define SHN_HIPROC 0xff1f
#define STN_UNDEF 0
/*
-------------------------------------------------------------------------------
*************************************************** S T R U C T U R E S ***
-------------------------------------------------------------------------------
*/
/******************************************************************************/
typedef struct {
unsigned char e_ident[EI_NIDENT]; /* ident bytes */
Elf32_Half e_type; /* file type */
Elf32_Half e_machine; /* target machine */
Elf32_Word e_version; /* file version */
Elf32_Addr e_entry; /* start address */
Elf32_Off e_phoff; /* phdr file offset */
Elf32_Off e_shoff; /* shdr file offset */
Elf32_Word e_flags; /* file flags */
Elf32_Half e_ehsize; /* sizeof ehdr */
Elf32_Half e_phentsize; /* sizeof phdr */
Elf32_Half e_phnum; /* number phdrs */
Elf32_Half e_shentsize; /* sizeof shdr */
Elf32_Half e_shnum; /* number shdrs */
Elf32_Half e_shstrndx; /* shdr string index */
} Elf32_Ehdr;
/******************************************************************************/
typedef struct {
unsigned char e_ident[EI_NIDENT]; /* ident bytes */
Elf64_Half e_type; /* file type */
Elf64_Half e_machine; /* target machine */
Elf64_Word e_version; /* file version */
Elf64_Addr e_entry; /* start address */
Elf64_Off e_phoff; /* phdr file offset */
Elf64_Off e_shoff; /* shdr file offset */
Elf64_Word e_flags; /* file flags */
Elf64_Half e_ehsize; /* sizeof ehdr */
Elf64_Half e_phentsize; /* sizeof phdr */
Elf64_Half e_phnum; /* number phdrs */
Elf64_Half e_shentsize; /* sizeof shdr */
Elf64_Half e_shnum; /* number shdrs */
Elf64_Half e_shstrndx; /* shdr string index */
} Elf64_Ehdr;
/******************************************************************************/
typedef struct
{
Elf32_Word p_type; /* entry type */
Elf32_Off p_offset; /* file offset */
Elf32_Addr p_vaddr; /* virtual address */
Elf32_Addr p_paddr; /* physical address */
Elf32_Word p_filesz; /* file size */
Elf32_Word p_memsz; /* memory size */
Elf32_Word p_flags; /* entry flags */
Elf32_Word p_align; /* memory/file alignment */
} Elf32_Phdr;
/******************************************************************************/
typedef struct
{
Elf32_Word sh_name; /* section name */
Elf32_Word sh_type; /* SHT_... */
Elf32_Word sh_flags; /* SHF_... */
Elf32_Addr sh_addr; /* virtual address */
Elf32_Off sh_offset; /* file offset */
Elf32_Word sh_size; /* section size */
Elf32_Word sh_link; /* misc info */
Elf32_Word sh_info; /* misc info */
Elf32_Word sh_addralign; /* memory alignment */
Elf32_Word sh_entsize; /* entry size if table */
} Elf32_Shdr;
/******************************************************************************/
typedef struct
{
Elf32_Word st_name;
Elf32_Addr st_value;
Elf32_Word st_size;
unsigned char st_info; /* bind, type: ELF_32_ST_... */
unsigned char st_other;
Elf32_Half st_shndx; /* SHN_... */
} Elf32_Sym;
#ifdef __cplusplus
}
#endif
#endif