1 //===--- ARMAttributeParser.h - ARM Attribute Information Printer ---------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef LLVM_SUPPORT_ARMATTRIBUTEPARSER_H 11 #define LLVM_SUPPORT_ARMATTRIBUTEPARSER_H 12 13 #include "ARMBuildAttributes.h" 14 #include "ScopedPrinter.h" 15 16 #include <map> 17 18 namespace llvm { 19 class StringRef; 20 21 class ARMAttributeParser { 22 ScopedPrinter *SW; 23 24 std::map<unsigned, unsigned> Attributes; 25 26 struct DisplayHandler { 27 ARMBuildAttrs::AttrType Attribute; 28 void (ARMAttributeParser::*Routine)(ARMBuildAttrs::AttrType, 29 const uint8_t *, uint32_t &); 30 }; 31 static const DisplayHandler DisplayRoutines[]; 32 33 uint64_t ParseInteger(const uint8_t *Data, uint32_t &Offset); 34 StringRef ParseString(const uint8_t *Data, uint32_t &Offset); 35 36 void IntegerAttribute(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 37 uint32_t &Offset); 38 void StringAttribute(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 39 uint32_t &Offset); 40 41 void PrintAttribute(unsigned Tag, unsigned Value, StringRef ValueDesc); 42 43 void CPU_arch(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 44 uint32_t &Offset); 45 void CPU_arch_profile(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 46 uint32_t &Offset); 47 void ARM_ISA_use(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 48 uint32_t &Offset); 49 void THUMB_ISA_use(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 50 uint32_t &Offset); 51 void FP_arch(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 52 uint32_t &Offset); 53 void WMMX_arch(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 54 uint32_t &Offset); 55 void Advanced_SIMD_arch(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 56 uint32_t &Offset); 57 void PCS_config(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 58 uint32_t &Offset); 59 void ABI_PCS_R9_use(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 60 uint32_t &Offset); 61 void ABI_PCS_RW_data(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 62 uint32_t &Offset); 63 void ABI_PCS_RO_data(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 64 uint32_t &Offset); 65 void ABI_PCS_GOT_use(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 66 uint32_t &Offset); 67 void ABI_PCS_wchar_t(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 68 uint32_t &Offset); 69 void ABI_FP_rounding(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 70 uint32_t &Offset); 71 void ABI_FP_denormal(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 72 uint32_t &Offset); 73 void ABI_FP_exceptions(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 74 uint32_t &Offset); 75 void ABI_FP_user_exceptions(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 76 uint32_t &Offset); 77 void ABI_FP_number_model(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 78 uint32_t &Offset); 79 void ABI_align_needed(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 80 uint32_t &Offset); 81 void ABI_align_preserved(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 82 uint32_t &Offset); 83 void ABI_enum_size(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 84 uint32_t &Offset); 85 void ABI_HardFP_use(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 86 uint32_t &Offset); 87 void ABI_VFP_args(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 88 uint32_t &Offset); 89 void ABI_WMMX_args(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 90 uint32_t &Offset); 91 void ABI_optimization_goals(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 92 uint32_t &Offset); 93 void ABI_FP_optimization_goals(ARMBuildAttrs::AttrType Tag, 94 const uint8_t *Data, uint32_t &Offset); 95 void compatibility(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 96 uint32_t &Offset); 97 void CPU_unaligned_access(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 98 uint32_t &Offset); 99 void FP_HP_extension(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 100 uint32_t &Offset); 101 void ABI_FP_16bit_format(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 102 uint32_t &Offset); 103 void MPextension_use(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 104 uint32_t &Offset); 105 void DIV_use(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 106 uint32_t &Offset); 107 void DSP_extension(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 108 uint32_t &Offset); 109 void T2EE_use(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 110 uint32_t &Offset); 111 void Virtualization_use(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 112 uint32_t &Offset); 113 void nodefaults(ARMBuildAttrs::AttrType Tag, const uint8_t *Data, 114 uint32_t &Offset); 115 116 void ParseAttributeList(const uint8_t *Data, uint32_t &Offset, 117 uint32_t Length); 118 void ParseIndexList(const uint8_t *Data, uint32_t &Offset, 119 SmallVectorImpl<uint8_t> &IndexList); 120 void ParseSubsection(const uint8_t *Data, uint32_t Length); 121 public: ARMAttributeParser(ScopedPrinter * SW)122 ARMAttributeParser(ScopedPrinter *SW) : SW(SW) {} 123 ARMAttributeParser()124 ARMAttributeParser() : SW(nullptr) { } 125 126 void Parse(ArrayRef<uint8_t> Section, bool isLittle); 127 hasAttribute(unsigned Tag)128 bool hasAttribute(unsigned Tag) const { 129 return Attributes.count(Tag); 130 } 131 getAttributeValue(unsigned Tag)132 unsigned getAttributeValue(unsigned Tag) const { 133 return Attributes.find(Tag)->second; 134 } 135 }; 136 137 } 138 139 #endif 140 141