159 lines
4 KiB
C
Executable file
159 lines
4 KiB
C
Executable file
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _PPC_BOOT_ELF_H_
|
|
#define _PPC_BOOT_ELF_H_
|
|
|
|
/* 32-bit ELF base types. */
|
|
typedef unsigned int Elf32_Addr;
|
|
typedef unsigned short Elf32_Half;
|
|
typedef unsigned int Elf32_Off;
|
|
typedef signed int Elf32_Sword;
|
|
typedef unsigned int Elf32_Word;
|
|
|
|
/* 64-bit ELF base types. */
|
|
typedef unsigned long long Elf64_Addr;
|
|
typedef unsigned short Elf64_Half;
|
|
typedef signed short Elf64_SHalf;
|
|
typedef unsigned long long Elf64_Off;
|
|
typedef signed int Elf64_Sword;
|
|
typedef unsigned int Elf64_Word;
|
|
typedef unsigned long long Elf64_Xword;
|
|
typedef signed long long Elf64_Sxword;
|
|
|
|
/* These constants are for the segment types stored in the image headers */
|
|
#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_TLS 7 /* Thread local storage segment */
|
|
#define PT_LOOS 0x60000000 /* OS-specific */
|
|
#define PT_HIOS 0x6fffffff /* OS-specific */
|
|
#define PT_LOPROC 0x70000000
|
|
#define PT_HIPROC 0x7fffffff
|
|
#define PT_GNU_EH_FRAME 0x6474e550
|
|
|
|
#define PT_GNU_STACK (PT_LOOS + 0x474e551)
|
|
|
|
/* These constants define the different elf file types */
|
|
#define ET_NONE 0
|
|
#define ET_REL 1
|
|
#define ET_EXEC 2
|
|
#define ET_DYN 3
|
|
#define ET_CORE 4
|
|
#define ET_LOPROC 0xff00
|
|
#define ET_HIPROC 0xffff
|
|
|
|
/* These constants define the various ELF target machines */
|
|
#define EM_NONE 0
|
|
#define EM_PPC 20 /* PowerPC */
|
|
#define EM_PPC64 21 /* PowerPC64 */
|
|
|
|
#define EI_NIDENT 16
|
|
|
|
typedef struct elf32_hdr {
|
|
unsigned char e_ident[EI_NIDENT];
|
|
Elf32_Half e_type;
|
|
Elf32_Half e_machine;
|
|
Elf32_Word e_version;
|
|
Elf32_Addr e_entry; /* Entry point */
|
|
Elf32_Off e_phoff;
|
|
Elf32_Off e_shoff;
|
|
Elf32_Word e_flags;
|
|
Elf32_Half e_ehsize;
|
|
Elf32_Half e_phentsize;
|
|
Elf32_Half e_phnum;
|
|
Elf32_Half e_shentsize;
|
|
Elf32_Half e_shnum;
|
|
Elf32_Half e_shstrndx;
|
|
} Elf32_Ehdr;
|
|
|
|
typedef struct elf64_hdr {
|
|
unsigned char e_ident[16]; /* ELF "magic number" */
|
|
Elf64_Half e_type;
|
|
Elf64_Half e_machine;
|
|
Elf64_Word e_version;
|
|
Elf64_Addr e_entry; /* Entry point virtual address */
|
|
Elf64_Off e_phoff; /* Program header table file offset */
|
|
Elf64_Off e_shoff; /* Section header table file offset */
|
|
Elf64_Word e_flags;
|
|
Elf64_Half e_ehsize;
|
|
Elf64_Half e_phentsize;
|
|
Elf64_Half e_phnum;
|
|
Elf64_Half e_shentsize;
|
|
Elf64_Half e_shnum;
|
|
Elf64_Half e_shstrndx;
|
|
} Elf64_Ehdr;
|
|
|
|
/* These constants define the permissions on sections in the program
|
|
header, p_flags. */
|
|
#define PF_R 0x4
|
|
#define PF_W 0x2
|
|
#define PF_X 0x1
|
|
|
|
typedef struct elf32_phdr {
|
|
Elf32_Word p_type;
|
|
Elf32_Off p_offset;
|
|
Elf32_Addr p_vaddr;
|
|
Elf32_Addr p_paddr;
|
|
Elf32_Word p_filesz;
|
|
Elf32_Word p_memsz;
|
|
Elf32_Word p_flags;
|
|
Elf32_Word p_align;
|
|
} Elf32_Phdr;
|
|
|
|
typedef struct elf64_phdr {
|
|
Elf64_Word p_type;
|
|
Elf64_Word p_flags;
|
|
Elf64_Off p_offset; /* Segment file offset */
|
|
Elf64_Addr p_vaddr; /* Segment virtual address */
|
|
Elf64_Addr p_paddr; /* Segment physical address */
|
|
Elf64_Xword p_filesz; /* Segment size in file */
|
|
Elf64_Xword p_memsz; /* Segment size in memory */
|
|
Elf64_Xword p_align; /* Segment alignment, file & memory */
|
|
} Elf64_Phdr;
|
|
|
|
#define EI_MAG0 0 /* e_ident[] indexes */
|
|
#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_OSABI 7
|
|
#define EI_PAD 8
|
|
|
|
#define ELFMAG0 0x7f /* EI_MAG */
|
|
#define ELFMAG1 'E'
|
|
#define ELFMAG2 'L'
|
|
#define ELFMAG3 'F'
|
|
#define ELFMAG "\177ELF"
|
|
#define SELFMAG 4
|
|
|
|
#define ELFCLASSNONE 0 /* EI_CLASS */
|
|
#define ELFCLASS32 1
|
|
#define ELFCLASS64 2
|
|
#define ELFCLASSNUM 3
|
|
|
|
#define ELFDATANONE 0 /* e_ident[EI_DATA] */
|
|
#define ELFDATA2LSB 1
|
|
#define ELFDATA2MSB 2
|
|
|
|
#define EV_NONE 0 /* e_version, EI_VERSION */
|
|
#define EV_CURRENT 1
|
|
#define EV_NUM 2
|
|
|
|
#define ELFOSABI_NONE 0
|
|
#define ELFOSABI_LINUX 3
|
|
|
|
struct elf_info {
|
|
unsigned long loadsize;
|
|
unsigned long memsize;
|
|
unsigned long elfoffset;
|
|
};
|
|
int parse_elf64(void *hdr, struct elf_info *info);
|
|
int parse_elf32(void *hdr, struct elf_info *info);
|
|
|
|
#endif /* _PPC_BOOT_ELF_H_ */
|