Olaf Hering | decd300 | 2005-08-08 13:24:38 +1000 | [diff] [blame] | 1 | #ifndef _PPC_BOOT_ELF_H_ |
| 2 | #define _PPC_BOOT_ELF_H_ |
| 3 | |
| 4 | /* 32-bit ELF base types. */ |
| 5 | typedef unsigned int Elf32_Addr; |
| 6 | typedef unsigned short Elf32_Half; |
| 7 | typedef unsigned int Elf32_Off; |
| 8 | typedef signed int Elf32_Sword; |
| 9 | typedef unsigned int Elf32_Word; |
| 10 | |
| 11 | /* 64-bit ELF base types. */ |
| 12 | typedef unsigned long long Elf64_Addr; |
| 13 | typedef unsigned short Elf64_Half; |
| 14 | typedef signed short Elf64_SHalf; |
| 15 | typedef unsigned long long Elf64_Off; |
| 16 | typedef signed int Elf64_Sword; |
| 17 | typedef unsigned int Elf64_Word; |
| 18 | typedef unsigned long long Elf64_Xword; |
| 19 | typedef signed long long Elf64_Sxword; |
| 20 | |
| 21 | /* These constants are for the segment types stored in the image headers */ |
| 22 | #define PT_NULL 0 |
| 23 | #define PT_LOAD 1 |
| 24 | #define PT_DYNAMIC 2 |
| 25 | #define PT_INTERP 3 |
| 26 | #define PT_NOTE 4 |
| 27 | #define PT_SHLIB 5 |
| 28 | #define PT_PHDR 6 |
| 29 | #define PT_TLS 7 /* Thread local storage segment */ |
| 30 | #define PT_LOOS 0x60000000 /* OS-specific */ |
| 31 | #define PT_HIOS 0x6fffffff /* OS-specific */ |
| 32 | #define PT_LOPROC 0x70000000 |
| 33 | #define PT_HIPROC 0x7fffffff |
| 34 | #define PT_GNU_EH_FRAME 0x6474e550 |
| 35 | |
| 36 | #define PT_GNU_STACK (PT_LOOS + 0x474e551) |
| 37 | |
| 38 | /* These constants define the different elf file types */ |
| 39 | #define ET_NONE 0 |
| 40 | #define ET_REL 1 |
| 41 | #define ET_EXEC 2 |
| 42 | #define ET_DYN 3 |
| 43 | #define ET_CORE 4 |
| 44 | #define ET_LOPROC 0xff00 |
| 45 | #define ET_HIPROC 0xffff |
| 46 | |
| 47 | /* These constants define the various ELF target machines */ |
| 48 | #define EM_NONE 0 |
| 49 | #define EM_PPC 20 /* PowerPC */ |
| 50 | #define EM_PPC64 21 /* PowerPC64 */ |
| 51 | |
| 52 | #define EI_NIDENT 16 |
| 53 | |
| 54 | typedef struct elf32_hdr { |
| 55 | unsigned char e_ident[EI_NIDENT]; |
| 56 | Elf32_Half e_type; |
| 57 | Elf32_Half e_machine; |
| 58 | Elf32_Word e_version; |
| 59 | Elf32_Addr e_entry; /* Entry point */ |
| 60 | Elf32_Off e_phoff; |
| 61 | Elf32_Off e_shoff; |
| 62 | Elf32_Word e_flags; |
| 63 | Elf32_Half e_ehsize; |
| 64 | Elf32_Half e_phentsize; |
| 65 | Elf32_Half e_phnum; |
| 66 | Elf32_Half e_shentsize; |
| 67 | Elf32_Half e_shnum; |
| 68 | Elf32_Half e_shstrndx; |
| 69 | } Elf32_Ehdr; |
| 70 | |
| 71 | typedef struct elf64_hdr { |
| 72 | unsigned char e_ident[16]; /* ELF "magic number" */ |
| 73 | Elf64_Half e_type; |
| 74 | Elf64_Half e_machine; |
| 75 | Elf64_Word e_version; |
| 76 | Elf64_Addr e_entry; /* Entry point virtual address */ |
| 77 | Elf64_Off e_phoff; /* Program header table file offset */ |
| 78 | Elf64_Off e_shoff; /* Section header table file offset */ |
| 79 | Elf64_Word e_flags; |
| 80 | Elf64_Half e_ehsize; |
| 81 | Elf64_Half e_phentsize; |
| 82 | Elf64_Half e_phnum; |
| 83 | Elf64_Half e_shentsize; |
| 84 | Elf64_Half e_shnum; |
| 85 | Elf64_Half e_shstrndx; |
| 86 | } Elf64_Ehdr; |
| 87 | |
| 88 | /* These constants define the permissions on sections in the program |
| 89 | header, p_flags. */ |
| 90 | #define PF_R 0x4 |
| 91 | #define PF_W 0x2 |
| 92 | #define PF_X 0x1 |
| 93 | |
| 94 | typedef struct elf32_phdr { |
| 95 | Elf32_Word p_type; |
| 96 | Elf32_Off p_offset; |
| 97 | Elf32_Addr p_vaddr; |
| 98 | Elf32_Addr p_paddr; |
| 99 | Elf32_Word p_filesz; |
| 100 | Elf32_Word p_memsz; |
| 101 | Elf32_Word p_flags; |
| 102 | Elf32_Word p_align; |
| 103 | } Elf32_Phdr; |
| 104 | |
| 105 | typedef struct elf64_phdr { |
| 106 | Elf64_Word p_type; |
| 107 | Elf64_Word p_flags; |
| 108 | Elf64_Off p_offset; /* Segment file offset */ |
| 109 | Elf64_Addr p_vaddr; /* Segment virtual address */ |
| 110 | Elf64_Addr p_paddr; /* Segment physical address */ |
| 111 | Elf64_Xword p_filesz; /* Segment size in file */ |
| 112 | Elf64_Xword p_memsz; /* Segment size in memory */ |
| 113 | Elf64_Xword p_align; /* Segment alignment, file & memory */ |
| 114 | } Elf64_Phdr; |
| 115 | |
| 116 | #define EI_MAG0 0 /* e_ident[] indexes */ |
| 117 | #define EI_MAG1 1 |
| 118 | #define EI_MAG2 2 |
| 119 | #define EI_MAG3 3 |
| 120 | #define EI_CLASS 4 |
| 121 | #define EI_DATA 5 |
| 122 | #define EI_VERSION 6 |
| 123 | #define EI_OSABI 7 |
| 124 | #define EI_PAD 8 |
| 125 | |
| 126 | #define ELFMAG0 0x7f /* EI_MAG */ |
| 127 | #define ELFMAG1 'E' |
| 128 | #define ELFMAG2 'L' |
| 129 | #define ELFMAG3 'F' |
| 130 | #define ELFMAG "\177ELF" |
| 131 | #define SELFMAG 4 |
| 132 | |
| 133 | #define ELFCLASSNONE 0 /* EI_CLASS */ |
| 134 | #define ELFCLASS32 1 |
| 135 | #define ELFCLASS64 2 |
| 136 | #define ELFCLASSNUM 3 |
| 137 | |
| 138 | #define ELFDATANONE 0 /* e_ident[EI_DATA] */ |
| 139 | #define ELFDATA2LSB 1 |
| 140 | #define ELFDATA2MSB 2 |
| 141 | |
| 142 | #define EV_NONE 0 /* e_version, EI_VERSION */ |
| 143 | #define EV_CURRENT 1 |
| 144 | #define EV_NUM 2 |
| 145 | |
| 146 | #define ELFOSABI_NONE 0 |
| 147 | #define ELFOSABI_LINUX 3 |
| 148 | |
Mark A. Greer | 88e6873 | 2007-03-27 15:29:50 -0700 | [diff] [blame^] | 149 | struct elf_info { |
| 150 | unsigned long loadsize; |
| 151 | unsigned long memsize; |
| 152 | unsigned long elfoffset; |
| 153 | }; |
| 154 | int parse_elf64(void *hdr, struct elf_info *info); |
| 155 | int parse_elf32(void *hdr, struct elf_info *info); |
| 156 | |
Olaf Hering | decd300 | 2005-08-08 13:24:38 +1000 | [diff] [blame] | 157 | #endif /* _PPC_BOOT_ELF_H_ */ |