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158 lines
4.0 KiB
158 lines
4.0 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef _PPC_BOOT_ELF_H_ |
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#define _PPC_BOOT_ELF_H_ |
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/* 32-bit ELF base types. */ |
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typedef unsigned int Elf32_Addr; |
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typedef unsigned short Elf32_Half; |
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typedef unsigned int Elf32_Off; |
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typedef signed int Elf32_Sword; |
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typedef unsigned int Elf32_Word; |
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/* 64-bit ELF base types. */ |
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typedef unsigned long long Elf64_Addr; |
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typedef unsigned short Elf64_Half; |
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typedef signed short Elf64_SHalf; |
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typedef unsigned long long Elf64_Off; |
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typedef signed int Elf64_Sword; |
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typedef unsigned int Elf64_Word; |
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typedef unsigned long long Elf64_Xword; |
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typedef signed long long Elf64_Sxword; |
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/* These constants are for the segment types stored in the image headers */ |
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#define PT_NULL 0 |
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#define PT_LOAD 1 |
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#define PT_DYNAMIC 2 |
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#define PT_INTERP 3 |
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#define PT_NOTE 4 |
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#define PT_SHLIB 5 |
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#define PT_PHDR 6 |
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#define PT_TLS 7 /* Thread local storage segment */ |
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#define PT_LOOS 0x60000000 /* OS-specific */ |
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#define PT_HIOS 0x6fffffff /* OS-specific */ |
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#define PT_LOPROC 0x70000000 |
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#define PT_HIPROC 0x7fffffff |
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#define PT_GNU_EH_FRAME 0x6474e550 |
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#define PT_GNU_STACK (PT_LOOS + 0x474e551) |
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/* These constants define the different elf file types */ |
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#define ET_NONE 0 |
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#define ET_REL 1 |
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#define ET_EXEC 2 |
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#define ET_DYN 3 |
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#define ET_CORE 4 |
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#define ET_LOPROC 0xff00 |
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#define ET_HIPROC 0xffff |
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/* These constants define the various ELF target machines */ |
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#define EM_NONE 0 |
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#define EM_PPC 20 /* PowerPC */ |
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#define EM_PPC64 21 /* PowerPC64 */ |
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#define EI_NIDENT 16 |
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typedef struct elf32_hdr { |
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unsigned char e_ident[EI_NIDENT]; |
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Elf32_Half e_type; |
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Elf32_Half e_machine; |
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Elf32_Word e_version; |
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Elf32_Addr e_entry; /* Entry point */ |
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Elf32_Off e_phoff; |
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Elf32_Off e_shoff; |
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Elf32_Word e_flags; |
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Elf32_Half e_ehsize; |
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Elf32_Half e_phentsize; |
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Elf32_Half e_phnum; |
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Elf32_Half e_shentsize; |
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Elf32_Half e_shnum; |
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Elf32_Half e_shstrndx; |
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} Elf32_Ehdr; |
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typedef struct elf64_hdr { |
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unsigned char e_ident[16]; /* ELF "magic number" */ |
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Elf64_Half e_type; |
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Elf64_Half e_machine; |
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Elf64_Word e_version; |
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Elf64_Addr e_entry; /* Entry point virtual address */ |
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Elf64_Off e_phoff; /* Program header table file offset */ |
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Elf64_Off e_shoff; /* Section header table file offset */ |
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Elf64_Word e_flags; |
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Elf64_Half e_ehsize; |
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Elf64_Half e_phentsize; |
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Elf64_Half e_phnum; |
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Elf64_Half e_shentsize; |
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Elf64_Half e_shnum; |
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Elf64_Half e_shstrndx; |
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} Elf64_Ehdr; |
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/* These constants define the permissions on sections in the program |
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header, p_flags. */ |
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#define PF_R 0x4 |
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#define PF_W 0x2 |
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#define PF_X 0x1 |
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typedef struct elf32_phdr { |
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Elf32_Word p_type; |
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Elf32_Off p_offset; |
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Elf32_Addr p_vaddr; |
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Elf32_Addr p_paddr; |
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Elf32_Word p_filesz; |
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Elf32_Word p_memsz; |
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Elf32_Word p_flags; |
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Elf32_Word p_align; |
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} Elf32_Phdr; |
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typedef struct elf64_phdr { |
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Elf64_Word p_type; |
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Elf64_Word p_flags; |
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Elf64_Off p_offset; /* Segment file offset */ |
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Elf64_Addr p_vaddr; /* Segment virtual address */ |
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Elf64_Addr p_paddr; /* Segment physical address */ |
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Elf64_Xword p_filesz; /* Segment size in file */ |
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Elf64_Xword p_memsz; /* Segment size in memory */ |
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Elf64_Xword p_align; /* Segment alignment, file & memory */ |
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} Elf64_Phdr; |
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#define EI_MAG0 0 /* e_ident[] indexes */ |
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#define EI_MAG1 1 |
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#define EI_MAG2 2 |
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#define EI_MAG3 3 |
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#define EI_CLASS 4 |
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#define EI_DATA 5 |
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#define EI_VERSION 6 |
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#define EI_OSABI 7 |
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#define EI_PAD 8 |
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#define ELFMAG0 0x7f /* EI_MAG */ |
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#define ELFMAG1 'E' |
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#define ELFMAG2 'L' |
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#define ELFMAG3 'F' |
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#define ELFMAG "\177ELF" |
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#define SELFMAG 4 |
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#define ELFCLASSNONE 0 /* EI_CLASS */ |
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#define ELFCLASS32 1 |
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#define ELFCLASS64 2 |
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#define ELFCLASSNUM 3 |
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#define ELFDATANONE 0 /* e_ident[EI_DATA] */ |
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#define ELFDATA2LSB 1 |
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#define ELFDATA2MSB 2 |
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#define EV_NONE 0 /* e_version, EI_VERSION */ |
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#define EV_CURRENT 1 |
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#define EV_NUM 2 |
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#define ELFOSABI_NONE 0 |
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#define ELFOSABI_LINUX 3 |
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struct elf_info { |
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unsigned long loadsize; |
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unsigned long memsize; |
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unsigned long elfoffset; |
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}; |
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int parse_elf64(void *hdr, struct elf_info *info); |
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int parse_elf32(void *hdr, struct elf_info *info); |
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#endif /* _PPC_BOOT_ELF_H_ */
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