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Diffstat (limited to 'platform/macos/export/macho.h')
| -rw-r--r-- | platform/macos/export/macho.h | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/platform/macos/export/macho.h b/platform/macos/export/macho.h new file mode 100644 index 0000000000..7ef0d9067e --- /dev/null +++ b/platform/macos/export/macho.h @@ -0,0 +1,215 @@ +/*************************************************************************/ +/* macho.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +// Mach-O binary object file format parser and editor. + +#ifndef MACOS_MACHO_H +#define MACOS_MACHO_H + +#include "core/crypto/crypto.h" +#include "core/crypto/crypto_core.h" +#include "core/io/file_access.h" +#include "core/object/ref_counted.h" +#include "modules/modules_enabled.gen.h" // For regex. + +#ifdef MODULE_REGEX_ENABLED + +class MachO : public RefCounted { + struct MachHeader { + uint32_t cputype; + uint32_t cpusubtype; + uint32_t filetype; + uint32_t ncmds; + uint32_t sizeofcmds; + uint32_t flags; + }; + + enum LoadCommandID { + LC_SEGMENT = 0x00000001, + LC_SYMTAB = 0x00000002, + LC_SYMSEG = 0x00000003, + LC_THREAD = 0x00000004, + LC_UNIXTHREAD = 0x00000005, + LC_LOADFVMLIB = 0x00000006, + LC_IDFVMLIB = 0x00000007, + LC_IDENT = 0x00000008, + LC_FVMFILE = 0x00000009, + LC_PREPAGE = 0x0000000a, + LC_DYSYMTAB = 0x0000000b, + LC_LOAD_DYLIB = 0x0000000c, + LC_ID_DYLIB = 0x0000000d, + LC_LOAD_DYLINKER = 0x0000000e, + LC_ID_DYLINKER = 0x0000000f, + LC_PREBOUND_DYLIB = 0x00000010, + LC_ROUTINES = 0x00000011, + LC_SUB_FRAMEWORK = 0x00000012, + LC_SUB_UMBRELLA = 0x00000013, + LC_SUB_CLIENT = 0x00000014, + LC_SUB_LIBRARY = 0x00000015, + LC_TWOLEVEL_HINTS = 0x00000016, + LC_PREBIND_CKSUM = 0x00000017, + LC_LOAD_WEAK_DYLIB = 0x80000018, + LC_SEGMENT_64 = 0x00000019, + LC_ROUTINES_64 = 0x0000001a, + LC_UUID = 0x0000001b, + LC_RPATH = 0x8000001c, + LC_CODE_SIGNATURE = 0x0000001d, + LC_SEGMENT_SPLIT_INFO = 0x0000001e, + LC_REEXPORT_DYLIB = 0x8000001f, + LC_LAZY_LOAD_DYLIB = 0x00000020, + LC_ENCRYPTION_INFO = 0x00000021, + LC_DYLD_INFO = 0x00000022, + LC_DYLD_INFO_ONLY = 0x80000022, + LC_LOAD_UPWARD_DYLIB = 0x80000023, + LC_VERSION_MIN_MACOSX = 0x00000024, + LC_VERSION_MIN_IPHONEOS = 0x00000025, + LC_FUNCTION_STARTS = 0x00000026, + LC_DYLD_ENVIRONMENT = 0x00000027, + LC_MAIN = 0x80000028, + LC_DATA_IN_CODE = 0x00000029, + LC_SOURCE_VERSION = 0x0000002a, + LC_DYLIB_CODE_SIGN_DRS = 0x0000002b, + LC_ENCRYPTION_INFO_64 = 0x0000002c, + LC_LINKER_OPTION = 0x0000002d, + LC_LINKER_OPTIMIZATION_HINT = 0x0000002e, + LC_VERSION_MIN_TVOS = 0x0000002f, + LC_VERSION_MIN_WATCHOS = 0x00000030, + }; + + struct LoadCommandHeader { + uint32_t cmd; + uint32_t cmdsize; + }; + + struct LoadCommandSegment { + 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; + }; + + struct LoadCommandSegment64 { + 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; + }; + + struct Section { + 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; + }; + + struct Section64 { + 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; + }; + + Ref<FileAccess> fa; + bool swap = false; + + uint64_t lc_limit = 0; + + uint64_t exe_limit = 0; + uint64_t exe_base = std::numeric_limits<uint64_t>::max(); // Start of first __text section. + uint32_t align = 0; + uint32_t cputype = 0; + uint32_t cpusubtype = 0; + + uint64_t link_edit_offset = 0; // __LINKEDIT segment offset. + uint64_t signature_offset = 0; // Load command offset. + + uint32_t seg_align(uint64_t p_vmaddr, uint32_t p_min, uint32_t p_max); + bool alloc_signature(uint64_t p_size); + + static inline size_t PAD(size_t s, size_t a) { + return (a - s % a); + } + +public: + static bool is_macho(const String &p_path); + + bool open_file(const String &p_path); + + uint64_t get_exe_base(); + uint64_t get_exe_limit(); + int32_t get_align(); + uint32_t get_cputype(); + uint32_t get_cpusubtype(); + uint64_t get_size(); + uint64_t get_code_limit(); + + uint64_t get_signature_offset(); + bool is_signed(); + + PackedByteArray get_cdhash_sha1(); + PackedByteArray get_cdhash_sha256(); + + PackedByteArray get_requirements(); + + const Ref<FileAccess> get_file() const; + Ref<FileAccess> get_file(); + + uint64_t get_signature_size(); + bool set_signature_size(uint64_t p_size); +}; + +#endif // MODULE_REGEX_ENABLED + +#endif // MACOS_MACHO_H |