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chore: add LC_NOTE support to MachO.bt
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@blacktop
blacktop committed May 31, 2024
1 parent e7ac082 commit b02fd4d
Showing 1 changed file with 76 additions and 53 deletions.
129 changes: 76 additions & 53 deletions hack/extras/MachO.bt
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Original file line number Diff line number Diff line change
Expand Up @@ -299,56 +299,62 @@ string HeaderRead(Header &header) {
#define REQ_DYLD (0x80000000)

typedef enum <uint> {
SEGMENT = 0x1,
SYM_TAB = 0x2,
SYM_SEG = 0x3,
THREAD = 0x4,
UNIX_THREAD = 0x5,
LOAD_FVM_LIB = 0x6,
ID_FVM_LIB = 0x7,
IDENT = 0x8,
FVM_FILE = 0x9,
PREPAGE = 0xA,
DY_SYM_TAB = 0xB,
LOAD_DYLIB = 0xC,
ID_DYLIB = 0xD,
LOAD_DYLINKER = 0xE,
ID_DYLINKER = 0xF,
PREBOUND_DYLIB = 0x10,
ROUTINES = 0x11,
SUB_FRAMEWORK = 0x12,
SUB_UMBRELLA = 0x13,
SUB_CLIENT = 0x14,
SUB_LIBRARY = 0x15,
TWOLEVEL_HINTS = 0x16,
PREBIND_CKSUM = 0x17,
LOAD_WEAK_DYLIB = 0x18 | REQ_DYLD,
SEGMENT_64 = 0x19,
ROUTINES_64 = 0x1A,
UUID = 0x1B,
RPATH = 0x1C | REQ_DYLD,
CODE_SIGNATURE = 0x1D,
SEGMENT_SPLIT_INFO = 0x1E,
REEXPORT_DYLIB = 0x1F | REQ_DYLD,
LAZY_LOAD_DYLIB = 0x20,
ENCRYPTION_INFO = 0x21,
DYLD_INFO = 0x22,
DYLD_INFO_ONLY = 0x22 | REQ_DYLD,
LOAD_UPWARD_DYLIB = 0x23 | REQ_DYLD,
VERSION_MIN_MAC_OSX = 0x24,
VERSION_MIN_IPHONE_OS = 0x25,
FUNCTION_STARTS = 0x26,
DYLD_ENVIRONMENT = 0x27,
MAIN = 0x28,
MAIN_DYLIB = 0x28 | REQ_DYLD, // Idk, ios app in arm64 uses
DATA_IN_CODE = 0x29,
SOURCE_VERSION = 0x2A,
DYLIB_CODE_SIGN_DRS = 0x2B,
ENCRYPTION_INFO_64 = 0x2c,
LC_BUILD_VERSION = 0x32,
LC_DYLD_EXPORTS_TRIE = 0x33 | REQ_DYLD,
LC_DYLD_CHAINED_FIXUPS = 0x34 | REQ_DYLD,
LC_FILESET_ENTRY = 0x35 | REQ_DYLD,
SEGMENT = 0x1,
SYM_TAB = 0x2,
SYM_SEG = 0x3,
THREAD = 0x4,
UNIX_THREAD = 0x5,
LOAD_FVM_LIB = 0x6,
ID_FVM_LIB = 0x7,
IDENT = 0x8,
FVM_FILE = 0x9,
PREPAGE = 0xA,
DY_SYM_TAB = 0xB,
LOAD_DYLIB = 0xC,
ID_DYLIB = 0xD,
LOAD_DYLINKER = 0xE,
ID_DYLINKER = 0xF,
PREBOUND_DYLIB = 0x10,
ROUTINES = 0x11,
SUB_FRAMEWORK = 0x12,
SUB_UMBRELLA = 0x13,
SUB_CLIENT = 0x14,
SUB_LIBRARY = 0x15,
TWOLEVEL_HINTS = 0x16,
PREBIND_CKSUM = 0x17,
LOAD_WEAK_DYLIB = 0x18 | REQ_DYLD,
SEGMENT_64 = 0x19,
ROUTINES_64 = 0x1A,
UUID = 0x1B,
RPATH = 0x1C | REQ_DYLD,
CODE_SIGNATURE = 0x1D,
SEGMENT_SPLIT_INFO = 0x1E,
REEXPORT_DYLIB = 0x1F | REQ_DYLD,
LAZY_LOAD_DYLIB = 0x20,
ENCRYPTION_INFO = 0x21,
DYLD_INFO = 0x22,
DYLD_INFO_ONLY = 0x22 | REQ_DYLD,
LOAD_UPWARD_DYLIB = 0x23 | REQ_DYLD,
VERSION_MIN_MAC_OSX = 0x24,
VERSION_MIN_IPHONE_OS = 0x25,
FUNCTION_STARTS = 0x26,
DYLD_ENVIRONMENT = 0x27,
MAIN = 0x28,
MAIN_DYLIB = 0x28 | REQ_DYLD, // Idk, ios app in arm64 uses
DATA_IN_CODE = 0x29,
SOURCE_VERSION = 0x2A,
DYLIB_CODE_SIGN_DRS = 0x2B,
ENCRYPTION_INFO_64 = 0x2c,
LC_LINKER_OPTION = 0x2d,
LC_LINKER_OPTIMIZATION_HINT = 0x2e,
LC_VERSION_MIN_TVOS = 0x2f,
LC_VERSION_MIN_WATCHOS = 0x30,
LC_NOTE = 0x31,
LC_BUILD_VERSION = 0x32,
LC_DYLD_EXPORTS_TRIE = 0x33 | REQ_DYLD,
LC_DYLD_CHAINED_FIXUPS = 0x34 | REQ_DYLD,
LC_FILESET_ENTRY = 0x35 | REQ_DYLD,
LC_ATOM_INFO = 0x36,
} LoadCommandType <read=LoadCommandTypeRead>;

string LoadCommandTypeRead(LoadCommandType &loadCommandType) {
Expand Down Expand Up @@ -445,6 +451,16 @@ string LoadCommandTypeRead(LoadCommandType &loadCommandType) {
return "DYLIB_CODE_SIGN_DRS";
case ENCRYPTION_INFO_64:
return "ENCRYPTION_INFO_64";
case LC_LINKER_OPTION:
return "LC_LINKER_OPTION";
case LC_LINKER_OPTIMIZATION_HINT:
return "LC_LINKER_OPTIMIZATION_HINT";
case LC_VERSION_MIN_TVOS:
return "LC_VERSION_MIN_TVOS";
case LC_VERSION_MIN_WATCHOS:
return "LC_VERSION_MIN_WATCHOS";
case LC_NOTE:
return "LC_NOTE";
case LC_BUILD_VERSION:
return "LC_BUILD_VERSION";
case LC_DYLD_EXPORTS_TRIE:
Expand All @@ -453,6 +469,8 @@ string LoadCommandTypeRead(LoadCommandType &loadCommandType) {
return "LC_DYLD_CHAINED_FIXUPS";
case LC_FILESET_ENTRY:
return "LC_FILESET_ENTRY";
case LC_ATOM_INFO:
return "LC_ATOM_INFO";
default :
return "Error";
}
Expand Down Expand Up @@ -681,7 +699,7 @@ typedef struct {
CodeDirectoryType codeDirectory <comment="CodeDirectory">;
// FSeek(cdPos + codeDirectory.identOffset);
string ident;
// FSeek(cdPos + codeDirectory.hashOffset);
// FSeek(cdPos + codeDirectory.hashOffset);
Slot specialSlots[codeDirectory.nSpecialSlots]<optimize=false>;
Slot codeSlots[codeDirectory.nCodeSlots]<optimize=false>;
} else {
Expand Down Expand Up @@ -785,10 +803,10 @@ typedef struct {
break;
case CODE_SIGNATURE :
CodeSignature codeSignature;
break;
break;
case LC_DYLD_EXPORTS_TRIE :
case LC_DYLD_CHAINED_FIXUPS :
case FUNCTION_STARTS :
case FUNCTION_STARTS :
case SEGMENT_SPLIT_INFO:
case DATA_IN_CODE:
uint32 data_offset;
Expand Down Expand Up @@ -971,6 +989,11 @@ typedef struct {
uint32 cryptid; /* which enryption system, 0 means not-encrypted yet */
uint32 pad; /* padding to make this struct's size a multiple of 8 */
break;
case LC_NOTE:
char data_owner[16];
uint64 offset;
uint64 size;
break;
case LC_BUILD_VERSION:
uint32 platform; // platform
Version minos; // X.Y.Z is encoded in nibbles xxxx.yy.zz
Expand Down

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