namespace llvm {
namespace MachO {
// Enums from <mach-o/loader.h>
- enum LLVM_ENUM_INT_TYPE(uint32_t) {
+ enum : uint32_t {
// Constants for the "magic" field in llvm::MachO::mach_header and
// llvm::MachO::mach_header_64
MH_MAGIC = 0xFEEDFACEu,
MH_DEAD_STRIPPABLE_DYLIB = 0x00400000u
};
- enum LLVM_ENUM_INT_TYPE(uint32_t) {
+ enum : uint32_t {
// Flags for the "cmd" field in llvm::MachO::load_command
LC_REQ_DYLD = 0x80000000u
};
- enum LoadCommandType LLVM_ENUM_INT_TYPE(uint32_t) {
+ enum LoadCommandType : uint32_t {
// Constants for the "cmd" field in llvm::MachO::load_command
LC_SEGMENT = 0x00000001u,
LC_SYMTAB = 0x00000002u,
LC_SOURCE_VERSION = 0x0000002Au,
LC_DYLIB_CODE_SIGN_DRS = 0x0000002Bu,
// 0x0000002Cu,
- LC_LINKER_OPTIONS = 0x0000002Du
+ LC_LINKER_OPTIONS = 0x0000002Du,
+ LC_LINKER_OPTIMIZATION_HINT = 0x0000002Eu
};
- enum LLVM_ENUM_INT_TYPE(uint32_t) {
+ enum : uint32_t {
// Constant bits for the "flags" field in llvm::MachO::segment_command
SG_HIGHVM = 0x1u,
SG_FVMLIB = 0x2u,
SECTION_ATTRIBUTES_SYS = 0x00ffff00u // SECTION_ATTRIBUTES_SYS
};
- enum SectionType {
+ /// These are the section type and attributes fields. A MachO section can
+ /// have only one Type, but can have any of the attributes specified.
+ enum SectionType : uint32_t {
// Constant masks for the "flags[7:0]" field in llvm::MachO::section and
// llvm::MachO::section_64 (mask "flags" with SECTION_TYPE)
+
+ /// S_REGULAR - Regular section.
S_REGULAR = 0x00u,
+ /// S_ZEROFILL - Zero fill on demand section.
S_ZEROFILL = 0x01u,
+ /// S_CSTRING_LITERALS - Section with literal C strings.
S_CSTRING_LITERALS = 0x02u,
+ /// S_4BYTE_LITERALS - Section with 4 byte literals.
S_4BYTE_LITERALS = 0x03u,
+ /// S_8BYTE_LITERALS - Section with 8 byte literals.
S_8BYTE_LITERALS = 0x04u,
+ /// S_LITERAL_POINTERS - Section with pointers to literals.
S_LITERAL_POINTERS = 0x05u,
+ /// S_NON_LAZY_SYMBOL_POINTERS - Section with non-lazy symbol pointers.
S_NON_LAZY_SYMBOL_POINTERS = 0x06u,
+ /// S_LAZY_SYMBOL_POINTERS - Section with lazy symbol pointers.
S_LAZY_SYMBOL_POINTERS = 0x07u,
+ /// S_SYMBOL_STUBS - Section with symbol stubs, byte size of stub in
+ /// the Reserved2 field.
S_SYMBOL_STUBS = 0x08u,
+ /// S_MOD_INIT_FUNC_POINTERS - Section with only function pointers for
+ /// initialization.
S_MOD_INIT_FUNC_POINTERS = 0x09u,
+ /// S_MOD_TERM_FUNC_POINTERS - Section with only function pointers for
+ /// termination.
S_MOD_TERM_FUNC_POINTERS = 0x0au,
+ /// S_COALESCED - Section contains symbols that are to be coalesced.
S_COALESCED = 0x0bu,
+ /// S_GB_ZEROFILL - Zero fill on demand section (that can be larger than 4
+ /// gigabytes).
S_GB_ZEROFILL = 0x0cu,
+ /// S_INTERPOSING - Section with only pairs of function pointers for
+ /// interposing.
S_INTERPOSING = 0x0du,
+ /// S_16BYTE_LITERALS - Section with only 16 byte literals.
S_16BYTE_LITERALS = 0x0eu,
+ /// S_DTRACE_DOF - Section contains DTrace Object Format.
S_DTRACE_DOF = 0x0fu,
+ /// S_LAZY_DYLIB_SYMBOL_POINTERS - Section with lazy symbol pointers to
+ /// lazy loaded dylibs.
S_LAZY_DYLIB_SYMBOL_POINTERS = 0x10u,
+ /// S_THREAD_LOCAL_REGULAR - Thread local data section.
S_THREAD_LOCAL_REGULAR = 0x11u,
+ /// S_THREAD_LOCAL_ZEROFILL - Thread local zerofill section.
S_THREAD_LOCAL_ZEROFILL = 0x12u,
+ /// S_THREAD_LOCAL_VARIABLES - Section with thread local variable
+ /// structure data.
S_THREAD_LOCAL_VARIABLES = 0x13u,
+ /// S_THREAD_LOCAL_VARIABLE_POINTERS - Section with pointers to thread
+ /// local structures.
S_THREAD_LOCAL_VARIABLE_POINTERS = 0x14u,
- S_THREAD_LOCAL_INIT_FUNCTION_POINTERS = 0x15u
+ /// S_THREAD_LOCAL_INIT_FUNCTION_POINTERS - Section with thread local
+ /// variable initialization pointers to functions.
+ S_THREAD_LOCAL_INIT_FUNCTION_POINTERS = 0x15u,
+
+ LAST_KNOWN_SECTION_TYPE = S_THREAD_LOCAL_INIT_FUNCTION_POINTERS
};
- enum LLVM_ENUM_INT_TYPE(uint32_t) {
+ enum : uint32_t {
// Constant masks for the "flags[31:24]" field in llvm::MachO::section and
// llvm::MachO::section_64 (mask "flags" with SECTION_ATTRIBUTES_USR)
+
+ /// S_ATTR_PURE_INSTRUCTIONS - Section contains only true machine
+ /// instructions.
S_ATTR_PURE_INSTRUCTIONS = 0x80000000u,
+ /// S_ATTR_NO_TOC - Section contains coalesced symbols that are not to be
+ /// in a ranlib table of contents.
S_ATTR_NO_TOC = 0x40000000u,
+ /// S_ATTR_STRIP_STATIC_SYMS - Ok to strip static symbols in this section
+ /// in files with the MY_DYLDLINK flag.
S_ATTR_STRIP_STATIC_SYMS = 0x20000000u,
+ /// S_ATTR_NO_DEAD_STRIP - No dead stripping.
S_ATTR_NO_DEAD_STRIP = 0x10000000u,
+ /// S_ATTR_LIVE_SUPPORT - Blocks are live if they reference live blocks.
S_ATTR_LIVE_SUPPORT = 0x08000000u,
+ /// S_ATTR_SELF_MODIFYING_CODE - Used with i386 code stubs written on by
+ /// dyld.
S_ATTR_SELF_MODIFYING_CODE = 0x04000000u,
+ /// S_ATTR_DEBUG - A debug section.
S_ATTR_DEBUG = 0x02000000u,
// Constant masks for the "flags[23:8]" field in llvm::MachO::section and
// llvm::MachO::section_64 (mask "flags" with SECTION_ATTRIBUTES_SYS)
+
+ /// S_ATTR_SOME_INSTRUCTIONS - Section contains some machine instructions.
S_ATTR_SOME_INSTRUCTIONS = 0x00000400u,
+ /// S_ATTR_EXT_RELOC - Section has external relocation entries.
S_ATTR_EXT_RELOC = 0x00000200u,
+ /// S_ATTR_LOC_RELOC - Section has local relocation entries.
S_ATTR_LOC_RELOC = 0x00000100u,
// Constant masks for the value of an indirect symbol in an indirect
enum {
// Constant masks for the "n_desc" field in llvm::MachO::nlist and
// llvm::MachO::nlist_64
+ // The low 3 bits are the for the REFERENCE_TYPE.
+ REFERENCE_TYPE = 0x7,
+ REFERENCE_FLAG_UNDEFINED_NON_LAZY = 0,
+ REFERENCE_FLAG_UNDEFINED_LAZY = 1,
+ REFERENCE_FLAG_DEFINED = 2,
+ REFERENCE_FLAG_PRIVATE_DEFINED = 3,
+ REFERENCE_FLAG_PRIVATE_UNDEFINED_NON_LAZY = 4,
+ REFERENCE_FLAG_PRIVATE_UNDEFINED_LAZY = 5,
+ // Flag bits (some overlap with the library ordinal bits).
N_ARM_THUMB_DEF = 0x0008u,
+ REFERENCED_DYNAMICALLY = 0x0010u,
N_NO_DEAD_STRIP = 0x0020u,
N_WEAK_REF = 0x0040u,
N_WEAK_DEF = 0x0080u,
- N_SYMBOL_RESOLVER = 0x0100u
+ N_SYMBOL_RESOLVER = 0x0100u,
+ N_ALT_ENTRY = 0x0200u,
+ // For undefined symbols coming from libraries, see GET_LIBRARY_ORDINAL()
+ // as these are in the top 8 bits.
+ SELF_LIBRARY_ORDINAL = 0x0,
+ MAX_LIBRARY_ORDINAL = 0xfd,
+ DYNAMIC_LOOKUP_ORDINAL = 0xfe,
+ EXECUTABLE_ORDINAL = 0xff
};
enum StabType {
N_LENG = 0xFEu
};
- enum LLVM_ENUM_INT_TYPE(uint32_t) {
+ enum : uint32_t {
// Constant values for the r_symbolnum field in an
// llvm::MachO::relocation_info structure when r_extern is 0.
R_ABS = 0,
ARM_RELOC_HALF = 8,
ARM_RELOC_HALF_SECTDIFF = 9,
+ // Constant values for the r_type field in an ARM64 architecture
+ // llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
+ // structure.
+
+ // For pointers.
+ ARM64_RELOC_UNSIGNED = 0,
+ // Must be followed by an ARM64_RELOC_UNSIGNED
+ ARM64_RELOC_SUBTRACTOR = 1,
+ // A B/BL instruction with 26-bit displacement.
+ ARM64_RELOC_BRANCH26 = 2,
+ // PC-rel distance to page of target.
+ ARM64_RELOC_PAGE21 = 3,
+ // Offset within page, scaled by r_length.
+ ARM64_RELOC_PAGEOFF12 = 4,
+ // PC-rel distance to page of GOT slot.
+ ARM64_RELOC_GOT_LOAD_PAGE21 = 5,
+ // Offset within page of GOT slot, scaled by r_length.
+ ARM64_RELOC_GOT_LOAD_PAGEOFF12 = 6,
+ // For pointers to GOT slots.
+ ARM64_RELOC_POINTER_TO_GOT = 7,
+ // PC-rel distance to page of TLVP slot.
+ ARM64_RELOC_TLVP_LOAD_PAGE21 = 8,
+ // Offset within page of TLVP slot, scaled by r_length.
+ ARM64_RELOC_TLVP_LOAD_PAGEOFF12 = 9,
+ // Must be followed by ARM64_RELOC_PAGE21 or ARM64_RELOC_PAGEOFF12.
+ ARM64_RELOC_ADDEND = 10,
+
+
// Constant values for the r_type field in an x86_64 architecture
// llvm::MachO::relocation_info or llvm::MachO::scattered_relocation_info
// structure
};
struct version_min_command {
- uint32_t cmd;
- uint32_t cmdsize;
- uint32_t version;
+ uint32_t cmd; // LC_VERSION_MIN_MACOSX or
+ // LC_VERSION_MIN_IPHONEOS
+ uint32_t cmdsize; // sizeof(struct version_min_command)
+ uint32_t version; // X.Y.Z is encoded in nibbles xxxx.yy.zz
uint32_t reserved;
};
}
// Enums from <mach/machine.h>
- enum LLVM_ENUM_INT_TYPE(uint32_t) {
+ enum : uint32_t {
// Capability bits used in the definition of cpu_type.
CPU_ARCH_MASK = 0xff000000, // Mask for architecture bits
CPU_ARCH_ABI64 = 0x01000000 // 64 bit ABI
/* CPU_TYPE_MIPS = 8, */
CPU_TYPE_MC98000 = 10, // Old Motorola PowerPC
CPU_TYPE_ARM = 12,
+ CPU_TYPE_ARM64 = CPU_TYPE_ARM | CPU_ARCH_ABI64,
CPU_TYPE_SPARC = 14,
CPU_TYPE_POWERPC = 18,
CPU_TYPE_POWERPC64 = CPU_TYPE_POWERPC | CPU_ARCH_ABI64
};
- enum LLVM_ENUM_INT_TYPE(uint32_t) {
+ enum : uint32_t {
// Capability bits used in the definition of cpusubtype.
CPU_SUB_TYPE_MASK = 0xff000000, // Mask for architecture bits
CPU_SUB_TYPE_LIB64 = 0x80000000, // 64 bit libraries
CPU_SUBTYPE_ARM_V5TEJ = 7,
CPU_SUBTYPE_ARM_XSCALE = 8,
CPU_SUBTYPE_ARM_V7 = 9,
- CPU_SUBTYPE_ARM_V7F = 10,
+ // unused ARM_V7F = 10,
CPU_SUBTYPE_ARM_V7S = 11,
CPU_SUBTYPE_ARM_V7K = 12,
CPU_SUBTYPE_ARM_V6M = 14,
CPU_SUBTYPE_ARM_V7EM = 16
};
+ enum CPUSubTypeARM64 {
+ CPU_SUBTYPE_ARM64_ALL = 0
+ };
+
enum CPUSubTypeSPARC {
CPU_SUBTYPE_SPARC_ALL = 0
};
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