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821ecd7c90
independent information on the Mach object format, and move some stuff from MachObjectWriter.cpp there. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120186 91177308-0d34-0410-b5e6-96231b3b80d8
113 lines
2.9 KiB
C++
113 lines
2.9 KiB
C++
//===- MachOFormat.h - Mach-O Format Structures And Constants ---*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares various structures and constants which are platform
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// independent and can be shared by any client which wishes to interact with
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// Mach object files.
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//
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// The definitions here are purposely chosen to match the LLVM style as opposed
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// to following the platform specific definition of the format.
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//
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// On a Mach system, see the <mach-o/...> includes for more information, in
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// particular <mach-o/loader.h>.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_OBJECT_MACHOFORMAT_H
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#define LLVM_OBJECT_MACHOFORMAT_H
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namespace llvm {
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namespace object {
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/// General Mach platform information.
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namespace mach {
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/// @name CPU Type and Subtype Information
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/// {
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/// \brief Capability bits used in CPU type encoding.
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enum CPUTypeFlagsMask {
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CTFM_ArchMask = 0xFF000000,
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CTFM_ArchABI64 = 0x01000000
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};
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/// \brief Machine type IDs used in CPU type encoding.
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enum CPUTypeMachine {
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CTM_i386 = 7,
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CTM_x86_64 = CTM_i386 | CTFM_ArchABI64,
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CTM_ARM = 12,
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CTM_SPARC = 14,
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CTM_PowerPC = 18,
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CTM_PowerPC64 = CTM_PowerPC | CTFM_ArchABI64
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};
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/// \brief Capability bits used in CPU subtype encoding.
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enum CPUSubtypeFlagsMask {
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CSFM_SubtypeMask = 0xFF000000,
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CSFM_SubtypeLib64 = 0x80000000
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};
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/// \brief ARM Machine Subtypes.
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enum CPUSubtypeARM {
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CSARM_ALL = 0,
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CSARM_V4T = 5,
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CSARM_V6 = 6,
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CSARM_V5TEJ = 7,
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CSARM_XSCALE = 8,
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CSARM_V7 = 9
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};
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/// \brief PowerPC Machine Subtypes.
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enum CPUSubtypePowerPC {
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CSPPC_ALL = 0
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};
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/// \brief SPARC Machine Subtypes.
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enum CPUSubtypeSPARC {
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CSSPARC_ALL = 0
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};
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/// \brief x86 Machine Subtypes.
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enum CPUSubtypeX86 {
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CSX86_ALL = 3
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};
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/// @}
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} // end namespace mach
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/// Format information for Mach object files.
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namespace macho {
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/// \brief Constants for header magic field.
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enum HeaderMagic {
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HM_Object32 = 0xFEEDFACE, ///< 32-bit mach object file
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HM_Object64 = 0xFEEDFACF, ///< 64-bit mach object file
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HM_Universal = 0xCAFEBABE ///< Universal object file
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};
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/// \brief Constants for structure sizes.
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enum StructureSizes {
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Header32Size = 28,
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Header64Size = 32,
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SegmentLoadCommand32Size = 56,
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SegmentLoadCommand64Size = 72,
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Section32Size = 68,
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Section64Size = 80,
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SymtabLoadCommandSize = 24,
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DysymtabLoadCommandSize = 80,
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Nlist32Size = 12,
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Nlist64Size = 16,
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RelocationInfoSize = 8
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};
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} // end namespace macho
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} // end namespace object
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} // end namespace llvm
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#endif
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