#define MH_APP_EXTENSION_SAFE 0x02000000 /* The code was linked for use in an
application extension. */
+#define MH_NLIST_OUTOFSYNC_WITH_DYLDINFO 0x04000000 /* The external symbols
+ listed in the nlist symbol table do
+ not include all the symbols listed in
+ the dyld info. */
+
+#define MH_SIM_SUPPORT 0x08000000 /* Allow LC_MIN_VERSION_MACOS and
+ LC_BUILD_VERSION load commands with
+ the platforms macOS, iOSMac,
+ iOSSimulator, tvOSSimulator and
+ watchOSSimulator. */
+
+#define MH_DYLIB_IN_CACHE 0x80000000 /* Only for use on dylibs. When this bit
+ is set, the dylib is part of the dyld
+ shared cache, rather than loose in
+ the filesystem. */
+
/*
* The load commands directly follow the mach_header. The total size of all
* of the commands is given by the sizeofcmds field in the mach_header. All
#define LC_LINKER_OPTIMIZATION_HINT 0x2E /* optimization hints in MH_OBJECT files */
#define LC_VERSION_MIN_TVOS 0x2F /* build for AppleTV min OS version */
#define LC_VERSION_MIN_WATCHOS 0x30 /* build for Watch min OS version */
+#define LC_NOTE 0x31 /* arbitrary data included within a Mach-O file */
+#define LC_BUILD_VERSION 0x32 /* build for platform min OS version */
+#define LC_DYLD_EXPORTS_TRIE (0x33 | LC_REQ_DYLD) /* used with linkedit_data_command, payload is trie */
+#define LC_DYLD_CHAINED_FIXUPS (0x34 | LC_REQ_DYLD) /* used with linkedit_data_command */
/*
* A variable length string in a load command is represented by an lc_str
first page of the segment is not
protected. All other pages of the
segment are protected. */
+#define SG_READ_ONLY 0x10 /* This segment is made read-only after fixups */
+
+
/*
* A segment is made up of zero or more sections. Non-MH_OBJECT files have
#define S_THREAD_LOCAL_INIT_FUNCTION_POINTERS 0x15 /* functions to call
to initialize TLV
values */
+#define S_INIT_FUNC_OFFSETS 0x16 /* 32-bit offsets to
+ initializers */
/*
* Constants for the section attributes part of the flags field of a section
* Thread commands contain machine-specific data structures suitable for
* use in the thread state primitives. The machine specific data structures
* follow the struct thread_command as follows.
- * Each flavor of machine specific data structure is preceded by an unsigned
- * long constant for the flavor of that data structure, an uint32_t
- * that is the count of longs of the size of the state data structure and then
+ * Each flavor of machine specific data structure is preceded by an uint32_t
+ * constant for the flavor of that data structure, an uint32_t that is the
+ * count of uint32_t's of the size of the state data structure and then
* the state data structure follows. This triple may be repeated for many
* flavors. The constants for the flavors, counts and state data structure
* definitions are expected to be in the header file <machine/thread_status.h>.
* These machine specific data structures sizes must be multiples of
- * 4 bytes The cmdsize reflects the total size of the thread_command
+ * 4 bytes. The cmdsize reflects the total size of the thread_command
* and all of the sizes of the constants for the flavors, counts and state
* data structures.
*
uint32_t cmd; /* LC_THREAD or LC_UNIXTHREAD */
uint32_t cmdsize; /* total size of this command */
/* uint32_t flavor flavor of thread state */
- /* uint32_t count count of longs in thread state */
+ /* uint32_t count count of uint32_t's in thread state */
/* struct XXX_thread_state state thread state for this flavor */
/* ... */
};
struct linkedit_data_command {
uint32_t cmd; /* LC_CODE_SIGNATURE, LC_SEGMENT_SPLIT_INFO,
LC_FUNCTION_STARTS, LC_DATA_IN_CODE,
- LC_DYLIB_CODE_SIGN_DRS or
- LC_LINKER_OPTIMIZATION_HINT. */
+ LC_DYLIB_CODE_SIGN_DRS,
+ LC_LINKER_OPTIMIZATION_HINT,
+ LC_DYLD_EXPORTS_TRIE, or
+ LC_DYLD_CHAINED_FIXUPS. */
uint32_t cmdsize; /* sizeof(struct linkedit_data_command) */
uint32_t dataoff; /* file offset of data in __LINKEDIT segment */
uint32_t datasize; /* file size of data in __LINKEDIT segment */
*/
struct version_min_command {
uint32_t cmd; /* LC_VERSION_MIN_MACOSX or
- LC_VERSION_MIN_IPHONEOS
- LC_VERSION_MIN_WATCHOS */
+ LC_VERSION_MIN_IPHONEOS or
+ LC_VERSION_MIN_WATCHOS or
+ LC_VERSION_MIN_TVOS */
uint32_t cmdsize; /* sizeof(struct min_version_command) */
uint32_t version; /* X.Y.Z is encoded in nibbles xxxx.yy.zz */
uint32_t sdk; /* X.Y.Z is encoded in nibbles xxxx.yy.zz */
};
+/*
+ * The build_version_command contains the min OS version on which this
+ * binary was built to run for its platform. The list of known platforms and
+ * tool values following it.
+ */
+struct build_version_command {
+ uint32_t cmd; /* LC_BUILD_VERSION */
+ uint32_t cmdsize; /* sizeof(struct build_version_command) plus */
+ /* ntools * sizeof(struct build_tool_version) */
+ uint32_t platform; /* platform */
+ uint32_t minos; /* X.Y.Z is encoded in nibbles xxxx.yy.zz */
+ uint32_t sdk; /* X.Y.Z is encoded in nibbles xxxx.yy.zz */
+ uint32_t ntools; /* number of tool entries following this */
+};
+
+struct build_tool_version {
+ uint32_t tool; /* enum for the tool */
+ uint32_t version; /* version number of the tool */
+};
+
+/* Known values for the platform field above. */
+#define PLATFORM_MACOS 1
+#define PLATFORM_IOS 2
+#define PLATFORM_TVOS 3
+#define PLATFORM_WATCHOS 4
+#define PLATFORM_BRIDGEOS 5
+#define PLATFORM_IOSMAC 6
+#define PLATFORM_IOSSIMULATOR 7
+#define PLATFORM_TVOSSIMULATOR 8
+#define PLATFORM_WATCHOSSIMULATOR 9
+#define PLATFORM_DRIVERKIT 10
+
+/* Known values for the tool field above. */
+#define TOOL_CLANG 1
+#define TOOL_SWIFT 2
+#define TOOL_LD 3
+
/*
* The dyld_info_command contains the file offsets and sizes of
* the new compressed form of the information dyld needs to
#define BIND_SPECIAL_DYLIB_SELF 0
#define BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE -1
#define BIND_SPECIAL_DYLIB_FLAT_LOOKUP -2
+#define BIND_SPECIAL_DYLIB_WEAK_LOOKUP -3
#define BIND_SYMBOL_FLAGS_WEAK_IMPORT 0x1
#define BIND_SYMBOL_FLAGS_NON_WEAK_DEFINITION 0x8
#define BIND_OPCODE_DO_BIND_ADD_ADDR_ULEB 0xA0
#define BIND_OPCODE_DO_BIND_ADD_ADDR_IMM_SCALED 0xB0
#define BIND_OPCODE_DO_BIND_ULEB_TIMES_SKIPPING_ULEB 0xC0
+#define BIND_OPCODE_THREADED 0xD0
+#define BIND_SUBOPCODE_THREADED_SET_BIND_ORDINAL_TABLE_SIZE_ULEB 0x00
+#define BIND_SUBOPCODE_THREADED_APPLY 0x01
/*
#define EXPORT_SYMBOL_FLAGS_KIND_MASK 0x03
#define EXPORT_SYMBOL_FLAGS_KIND_REGULAR 0x00
#define EXPORT_SYMBOL_FLAGS_KIND_THREAD_LOCAL 0x01
+#define EXPORT_SYMBOL_FLAGS_KIND_ABSOLUTE 0x02
#define EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION 0x04
#define EXPORT_SYMBOL_FLAGS_REEXPORT 0x08
#define EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER 0x10
unsigned long offset;
};
+/*
+ * LC_NOTE commands describe a region of arbitrary data included in a Mach-O
+ * file. Its initial use is to record extra data in MH_CORE files.
+ */
+struct note_command {
+ uint32_t cmd; /* LC_NOTE */
+ uint32_t cmdsize; /* sizeof(struct note_command) */
+ char data_owner[16]; /* owner name for this LC_NOTE */
+ uint64_t offset; /* file offset of this data */
+ uint64_t size; /* length of data region */
+};
+
#endif /* _MACHO_LOADER_H_ */
projects / apple / xnu.git / blobdiff