| /* SPDX-License-Identifier: BSD-2-Clause */ |
| /* Copyright 1996-2018 The NASM Authors - All Rights Reserved */ |
| |
| #ifndef OUTPUT_MACHO_H |
| #define OUTPUT_MACHO_H |
| |
| #include "compiler.h" |
| |
| /* Magics */ |
| #define MH_MAGIC 0xfeedface |
| #define MH_MAGIC_64 0xfeedfacf |
| |
| /* File types */ |
| #define MH_OBJECT 0x1 |
| |
| /* CPUs */ |
| #define CPU_ARCH_MASK 0xff000000 |
| #define CPU_ARCH_ABI64 0x01000000 |
| #define CPU_TYPE_X86 7 |
| #define CPU_TYPE_I386 CPU_TYPE_X86 |
| #define CPU_TYPE_X86_64 (CPU_TYPE_X86 | CPU_ARCH_ABI64) |
| |
| #define CPU_SUBTYPE_MASK 0xff000000 |
| #define CPU_SUBTYPE_I386_ALL 3 |
| |
| /* Header flags */ |
| #define MH_SUBSECTIONS_VIA_SYMBOLS 0x00002000 |
| |
| /* Load commands */ |
| #define LC_SEGMENT 0x1 |
| #define LC_SEGMENT_64 0x19 |
| #define LC_SYMTAB 0x2 |
| #define LC_BUILD_VERSION 0x32 |
| |
| /* Symbol type bits */ |
| #define N_STAB 0xe0 |
| #define N_PEXT 0x10 |
| #define N_TYPE 0x0e |
| #define N_EXT 0x01 |
| |
| /* To mask with N_TYPE */ |
| #define N_UNDF 0x00 |
| #define N_ABS 0x02 |
| #define N_INDR 0x0a |
| #define N_PBUD 0x0c |
| #define N_SECT 0x0e |
| |
| /* Section ordinals */ |
| #define NO_SECT 0x00 |
| #define MAX_SECT 0xff |
| |
| /* Section bits */ |
| #define SECTION_TYPE 0x000000ff |
| #define SECTION_ATTRIBUTES 0xffffff00 |
| #define SECTION_ATTRIBUTES_USR 0xff000000 |
| #define SECTION_ATTRIBUTES_SYS 0x00ffff00 |
| |
| #define S_REGULAR 0x00 |
| #define S_ZEROFILL 0x01 |
| #define S_CSTRING_LITERALS 0x02 |
| #define S_4BYTE_LITERALS 0x03 |
| #define S_8BYTE_LITERALS 0x04 |
| #define S_LITERAL_POINTERS 0x05 |
| #define S_NON_LAZY_SYMBOL_POINTERS 0x06 |
| #define S_LAZY_SYMBOL_POINTERS 0x07 |
| #define S_SYMBOL_STUBS 0x08 |
| #define S_MOD_INIT_FUNC_POINTERS 0x09 |
| #define S_MOD_TERM_FUNC_POINTERS 0x0a |
| #define S_COALESCED 0x0b |
| #define S_GB_ZEROFILL 0x0c |
| #define S_INTERPOSING 0x0d |
| #define S_16BYTE_LITERALS 0x0e |
| #define S_DTRACE_DOF 0x0f |
| #define S_LAZY_DYLIB_SYMBOL_POINTERS 0x10 |
| #define S_THREAD_LOCAL_REGULAR 0x11 |
| #define S_THREAD_LOCAL_ZEROFILL 0x12 |
| #define S_THREAD_LOCAL_VARIABLES 0x13 |
| #define S_THREAD_LOCAL_VARIABLE_POINTERS 0x14 |
| #define S_THREAD_LOCAL_INIT_FUNCTION_POINTERS 0x15 |
| |
| #define S_ATTR_PURE_INSTRUCTIONS 0x80000000 |
| #define S_ATTR_NO_TOC 0x40000000 |
| #define S_ATTR_STRIP_STATIC_SYMS 0x20000000 |
| #define S_ATTR_NO_DEAD_STRIP 0x10000000 |
| #define S_ATTR_LIVE_SUPPORT 0x08000000 |
| #define S_ATTR_SELF_MODIFYING_CODE 0x04000000 |
| #define S_ATTR_DEBUG 0x02000000 |
| |
| #define S_ATTR_SOME_INSTRUCTIONS 0x00000400 |
| #define S_ATTR_EXT_RELOC 0x00000200 |
| #define S_ATTR_LOC_RELOC 0x00000100 |
| #define INDIRECT_SYMBOL_LOCAL 0x80000000 |
| #define INDIRECT_SYMBOL_ABS 0x40000000 |
| |
| /* Relocation info type */ |
| #define GENERIC_RELOC_VANILLA 0 |
| #define GENERIC_RELOC_PAIR 1 |
| #define GENERIC_RELOC_SECTDIFF 2 |
| #define GENERIC_RELOC_PB_LA_PTR 3 |
| #define GENERIC_RELOC_LOCAL_SECTDIFF 4 |
| #define GENERIC_RELOC_TLV 5 |
| |
| #define X86_64_RELOC_UNSIGNED 0 |
| #define X86_64_RELOC_SIGNED 1 |
| #define X86_64_RELOC_BRANCH 2 |
| #define X86_64_RELOC_GOT_LOAD 3 |
| #define X86_64_RELOC_GOT 4 |
| #define X86_64_RELOC_SUBTRACTOR 5 |
| #define X86_64_RELOC_SIGNED_1 6 |
| #define X86_64_RELOC_SIGNED_2 7 |
| #define X86_64_RELOC_SIGNED_4 8 |
| #define X86_64_RELOC_TLV 9 |
| |
| /* Relocation info */ |
| #define R_ABS 0 |
| #define R_SCATTERED 0x80000000 |
| |
| /* VM permission constants */ |
| #define VM_PROT_NONE 0x00 |
| #define VM_PROT_READ 0x01 |
| #define VM_PROT_WRITE 0x02 |
| #define VM_PROT_EXECUTE 0x04 |
| |
| /* Platforms */ |
| /* X-macro X(_platform, _id, _name) */ |
| #define MACHO_ALL_PLATFORMS \ |
| X(PLATFORM_UNKNOWN, 0, "unknown") \ |
| X(PLATFORM_MACOS, 1, "macos") \ |
| X(PLATFORM_IOS, 2, "ios") \ |
| X(PLATFORM_TVOS, 3, "tvos") \ |
| X(PLATFORM_WATCHOS, 4, "watchos") \ |
| X(PLATFORM_BRIDGEOS, 5, "bridgeos") \ |
| X(PLATFORM_MACCATALYST, 6, "macCatalyst") \ |
| X(PLATFORM_IOSSIMULATOR, 7, "iossimulator") \ |
| X(PLATFORM_TVOSSIMULATOR, 8, "tvossimulator") \ |
| X(PLATFORM_WATCHOSSIMULATOR, 9, "watchossimulator") \ |
| X(PLATFORM_DRIVERKIT, 10, "driverkit") \ |
| X(PLATFORM_XROS, 11, "xros") \ |
| X(PLATFORM_XROS_SIMULATOR, 12, "xrsimulator") \ |
| /* end */ |
| |
| typedef struct { |
| uint32_t magic; |
| uint32_t cputype; |
| uint32_t cpusubtype; |
| uint32_t filetype; |
| uint32_t ncmds; |
| uint32_t sizeofcmds; |
| uint32_t flags; |
| } macho_header_t; |
| |
| typedef struct { |
| uint32_t magic; |
| uint32_t cputype; |
| uint32_t cpusubtype; |
| uint32_t filetype; |
| uint32_t ncmds; |
| uint32_t sizeofcmds; |
| uint32_t flags; |
| uint32_t reserved; |
| } macho_header_64_t; |
| |
| typedef struct { |
| uint32_t cmd; |
| uint32_t cmdsize; |
| } macho_load_command_t; |
| |
| typedef struct { |
| uint32_t cmd; |
| uint32_t cmdsize; |
| char segname[16]; |
| uint32_t vmaddr; |
| uint32_t vmsize; |
| uint32_t fileoff; |
| uint32_t filesize; |
| uint32_t maxprot; |
| uint32_t initprot; |
| uint32_t nsects; |
| uint32_t flags; |
| } macho_segment_command_t; |
| |
| typedef struct { |
| uint32_t cmd; |
| uint32_t cmdsize; |
| char segname[16]; |
| uint64_t vmaddr; |
| uint64_t vmsize; |
| uint64_t fileoff; |
| uint64_t filesize; |
| uint32_t maxprot; |
| uint32_t initprot; |
| uint32_t nsects; |
| uint32_t flags; |
| } macho_segment_command_64_t; |
| |
| typedef struct { |
| char sectname[16]; |
| char segname[16]; |
| uint32_t addr; |
| uint32_t size; |
| uint32_t offset; |
| uint32_t align; |
| uint32_t reloff; |
| uint32_t nreloc; |
| uint32_t flags; |
| uint32_t reserved1; |
| uint32_t reserved2; |
| } macho_section_t; |
| |
| typedef struct { |
| char sectname[16]; |
| char segname[16]; |
| uint64_t addr; |
| uint64_t size; |
| uint32_t offset; |
| uint32_t align; |
| uint32_t reloff; |
| uint32_t nreloc; |
| uint32_t flags; |
| uint32_t reserved1; |
| uint32_t reserved2; |
| uint32_t reserved3; |
| } macho_section_64_t; |
| |
| typedef struct { |
| uint32_t cmd; |
| uint32_t cmdsize; |
| uint32_t symoff; |
| uint32_t nsyms; |
| uint32_t stroff; |
| uint32_t strsize; |
| } macho_symtab_command_t; |
| |
| typedef struct { |
| int32_t r_address; |
| union { |
| struct { |
| uint32_t r_symbolnum: 24, |
| r_pcrel: 1, |
| r_length: 2, |
| r_extern: 1, |
| r_type: 4; |
| } s; |
| uint32_t r_raw; |
| } u; |
| } macho_relocation_info_t; |
| |
| typedef struct nlist_base { |
| uint32_t n_strx; |
| uint8_t n_type; |
| uint8_t n_sect; |
| uint16_t n_desc; |
| } macho_nlist_base_t; |
| |
| typedef struct nlist { |
| uint32_t n_strx; |
| uint8_t n_type; |
| uint8_t n_sect; |
| int16_t n_desc; |
| uint32_t n_value; |
| } macho_nlist_t; |
| |
| typedef struct { |
| uint32_t n_strx; |
| uint8_t n_type; |
| uint8_t n_sect; |
| uint16_t n_desc; |
| uint64_t n_value; |
| } macho_nlist_64_t; |
| |
| /* Adapted from LLVM include/llvm/BinaryFormat/MachO.h */ |
| typedef struct { |
| uint32_t tool; |
| uint32_t version; |
| } macho_build_tool_version_t; |
| |
| typedef struct { |
| uint32_t cmd; |
| uint32_t cmdsize; |
| uint32_t platform; |
| uint32_t minos; /* x.y.z is 0xXXXXYYZZ */ |
| uint32_t sdk; /* x.y.z is 0xXXXXYYZZ */ |
| uint32_t ntools; |
| /* ntools macho_build_tool_version_t follow this */ |
| } macho_build_version_command_t; |
| |
| #endif /* OUTPUT_MACHO_H */ |
