include/llvm/Target/TargetMachOWriterInfo.h

   1 //===-- llvm/Target/TargetMachOWriterInfo.h - MachO Writer Info--*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file was developed by Bill Wendling and is distributed under the
   6 // University of Illinois Open Source License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file defines the TargetMachOWriterInfo class.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef LLVM_TARGET_TARGETMACHOWRITERINFO_H
  15 #define LLVM_TARGET_TARGETMACHOWRITERINFO_H
  16
  17 #include "llvm/CodeGen/MachineRelocation.h"
  18
  19 namespace llvm {
  20
  21   class MachineBasicBlock;
  22
  23   //===--------------------------------------------------------------------===//
  24   //                        TargetMachOWriterInfo
  25   //===--------------------------------------------------------------------===//
  26
  27   struct TargetMachOWriterInfo {
  28     uint32_t CPUType;                 // CPU specifier
  29     uint32_t CPUSubType;              // Machine specifier
  30
  31     // The various CPU_TYPE_* constants are already defined by at least one
  32     // system header file and create compilation errors if not respected.
  33 #if !defined(CPU_TYPE_I386)
  34 #define CPU_TYPE_I386       7
  35 #endif
  36 #if !defined(CPU_TYPE_X86_64)
  37 #define CPU_TYPE_X86_64     (CPU_TYPE_I386 | 0x1000000)
  38 #endif
  39 #if !defined(CPU_TYPE_ARM)
  40 #define CPU_TYPE_ARM        12
  41 #endif
  42 #if !defined(CPU_TYPE_SPARC)
  43 #define CPU_TYPE_SPARC      14
  44 #endif
  45 #if !defined(CPU_TYPE_POWERPC)
  46 #define CPU_TYPE_POWERPC    18
  47 #endif
  48 #if !defined(CPU_TYPE_POWERPC64)
  49 #define CPU_TYPE_POWERPC64  (CPU_TYPE_POWERPC | 0x1000000)
  50 #endif
  51
  52     // Constants for the cputype field
  53     // see <mach/machine.h>
  54     enum {
  55       HDR_CPU_TYPE_I386      = CPU_TYPE_I386,
  56       HDR_CPU_TYPE_X86_64    = CPU_TYPE_X86_64,
  57       HDR_CPU_TYPE_ARM       = CPU_TYPE_ARM,
  58       HDR_CPU_TYPE_SPARC     = CPU_TYPE_SPARC,
  59       HDR_CPU_TYPE_POWERPC   = CPU_TYPE_POWERPC,
  60       HDR_CPU_TYPE_POWERPC64 = CPU_TYPE_POWERPC64
  61     };
  62
  63 #if !defined(CPU_SUBTYPE_I386_ALL)
  64 #define CPU_SUBTYPE_I386_ALL    3
  65 #endif
  66 #if !defined(CPU_SUBTYPE_X86_64_ALL)
  67 #define CPU_SUBTYPE_X86_64_ALL  3
  68 #endif
  69 #if !defined(CPU_SUBTYPE_ARM_ALL)
  70 #define CPU_SUBTYPE_ARM_ALL     0
  71 #endif
  72 #if !defined(CPU_SUBTYPE_SPARC_ALL)
  73 #define CPU_SUBTYPE_SPARC_ALL   0
  74 #endif
  75 #if !defined(CPU_SUBTYPE_POWERPC_ALL)
  76 #define CPU_SUBTYPE_POWERPC_ALL 0
  77 #endif
  78
  79     // Constants for the cpusubtype field
  80     // see <mach/machine.h>
  81     enum {
  82       HDR_CPU_SUBTYPE_I386_ALL    = CPU_SUBTYPE_I386_ALL,
  83       HDR_CPU_SUBTYPE_X86_64_ALL  = CPU_SUBTYPE_X86_64_ALL,
  84       HDR_CPU_SUBTYPE_ARM_ALL     = CPU_SUBTYPE_ARM_ALL,
  85       HDR_CPU_SUBTYPE_SPARC_ALL   = CPU_SUBTYPE_SPARC_ALL,
  86       HDR_CPU_SUBTYPE_POWERPC_ALL = CPU_SUBTYPE_POWERPC_ALL
  87     };
  88
  89     TargetMachOWriterInfo(uint32_t cputype, uint32_t cpusubtype)
  90       : CPUType(cputype), CPUSubType(cpusubtype) {}
  91     virtual ~TargetMachOWriterInfo() {}
  92
  93     virtual MachineRelocation GetJTRelocation(unsigned Offset,
  94                                               MachineBasicBlock *MBB) const;
  95
  96     virtual const char *getPassName() const {
  97       return "Mach-O Writer";
  98     }
  99   };
 100
 101 } // end llvm namespace
 102
 103 #endif // LLVM_TARGET_TARGETMACHOWRITERINFO_H