#ifndef LLVM_SUPPORT_MACHO_H
#define LLVM_SUPPORT_MACHO_H
+#include "llvm/Support/Compiler.h"
#include "llvm/Support/DataTypes.h"
#include "llvm/Support/Host.h"
namespace llvm {
namespace MachO {
// Enums from <mach-o/loader.h>
- enum {
+ 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 {
+ enum : uint32_t {
// Flags for the "cmd" field in llvm::MachO::load_command
LC_REQ_DYLD = 0x80000000u
};
- enum LoadCommandType {
+ 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 {
+ 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 = 0x00u,
S_THREAD_LOCAL_ZEROFILL = 0x12u,
S_THREAD_LOCAL_VARIABLES = 0x13u,
S_THREAD_LOCAL_VARIABLE_POINTERS = 0x14u,
- S_THREAD_LOCAL_INIT_FUNCTION_POINTERS = 0x15u
+ S_THREAD_LOCAL_INIT_FUNCTION_POINTERS = 0x15u,
+
+ LAST_KNOWN_SECTION_TYPE = S_THREAD_LOCAL_INIT_FUNCTION_POINTERS
};
- enum {
+ 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 = 0x80000000u,
};
enum BindSpecialDylib {
- BIND_SPECIAL_DYLIB_SELF = 0u,
- BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE = -1u,
- BIND_SPECIAL_DYLIB_FLAT_LOOKUP = -2u
+ BIND_SPECIAL_DYLIB_SELF = 0,
+ BIND_SPECIAL_DYLIB_MAIN_EXECUTABLE = -1,
+ BIND_SPECIAL_DYLIB_FLAT_LOOKUP = -2
};
enum {
enum {
EXPORT_SYMBOL_FLAGS_KIND_MASK = 0x03u,
EXPORT_SYMBOL_FLAGS_WEAK_DEFINITION = 0x04u,
- EXPORT_SYMBOL_FLAGS_INDIRECT_DEFINITION = 0x08u,
- EXPORT_SYMBOL_FLAGS_HAS_SPECIALIZATIONS = 0x10u
+ EXPORT_SYMBOL_FLAGS_REEXPORT = 0x08u,
+ EXPORT_SYMBOL_FLAGS_STUB_AND_RESOLVER = 0x10u
};
enum ExportSymbolKind {
N_LENG = 0xFEu
};
- enum {
+ 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
X86_64_RELOC_TLV = 9
};
+ // Values for segment_command.initprot.
+ // From <mach/vm_prot.h>
+ enum {
+ VM_PROT_READ = 0x1,
+ VM_PROT_WRITE = 0x2,
+ VM_PROT_EXECUTE = 0x4
+ };
+
+
// Structs from <mach-o/loader.h>
struct mach_header {
};
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 {
+ 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 {
+ 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
// Special CPU subtype constants.
- CPU_SUBTYPE_MULTIPLE = -1
+ CPU_SUBTYPE_MULTIPLE = ~0u
};
// Constants for the cpusubtype field.
CPU_SUBTYPE_X86_ALL = 3,
CPU_SUBTYPE_X86_64_ALL = 3,
- CPU_SUBTYPE_X86_ARCH1 = 4
+ CPU_SUBTYPE_X86_ARCH1 = 4,
+ CPU_SUBTYPE_X86_64_H = 8
};
static inline int CPU_SUBTYPE_INTEL(int Family, int Model) {
return Family | (Model << 4);
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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