diff options
Diffstat (limited to 'contrib/llvm/tools/llvm-readobj/ARMAttributeParser.cpp')
| -rw-r--r-- | contrib/llvm/tools/llvm-readobj/ARMAttributeParser.cpp | 682 |
1 files changed, 0 insertions, 682 deletions
diff --git a/contrib/llvm/tools/llvm-readobj/ARMAttributeParser.cpp b/contrib/llvm/tools/llvm-readobj/ARMAttributeParser.cpp deleted file mode 100644 index 877dd71..0000000 --- a/contrib/llvm/tools/llvm-readobj/ARMAttributeParser.cpp +++ /dev/null @@ -1,682 +0,0 @@ -//===--- ARMAttributeParser.cpp - ARM Attribute Information Printer -------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "ARMAttributeParser.h" -#include "llvm/ADT/STLExtras.h" -#include "llvm/ADT/StringExtras.h" -#include "llvm/Support/LEB128.h" -#include "llvm/Support/ScopedPrinter.h" - -using namespace llvm; -using namespace llvm::ARMBuildAttrs; - - -static const EnumEntry<unsigned> TagNames[] = { - { "Tag_File", ARMBuildAttrs::File }, - { "Tag_Section", ARMBuildAttrs::Section }, - { "Tag_Symbol", ARMBuildAttrs::Symbol }, -}; - -namespace llvm { -#define ATTRIBUTE_HANDLER(Attr_) \ - { ARMBuildAttrs::Attr_, &ARMAttributeParser::Attr_ } - -const ARMAttributeParser::DisplayHandler -ARMAttributeParser::DisplayRoutines[] = { - { ARMBuildAttrs::CPU_raw_name, &ARMAttributeParser::StringAttribute, }, - { ARMBuildAttrs::CPU_name, &ARMAttributeParser::StringAttribute }, - ATTRIBUTE_HANDLER(CPU_arch), - ATTRIBUTE_HANDLER(CPU_arch_profile), - ATTRIBUTE_HANDLER(ARM_ISA_use), - ATTRIBUTE_HANDLER(THUMB_ISA_use), - ATTRIBUTE_HANDLER(FP_arch), - ATTRIBUTE_HANDLER(WMMX_arch), - ATTRIBUTE_HANDLER(Advanced_SIMD_arch), - ATTRIBUTE_HANDLER(PCS_config), - ATTRIBUTE_HANDLER(ABI_PCS_R9_use), - ATTRIBUTE_HANDLER(ABI_PCS_RW_data), - ATTRIBUTE_HANDLER(ABI_PCS_RO_data), - ATTRIBUTE_HANDLER(ABI_PCS_GOT_use), - ATTRIBUTE_HANDLER(ABI_PCS_wchar_t), - ATTRIBUTE_HANDLER(ABI_FP_rounding), - ATTRIBUTE_HANDLER(ABI_FP_denormal), - ATTRIBUTE_HANDLER(ABI_FP_exceptions), - ATTRIBUTE_HANDLER(ABI_FP_user_exceptions), - ATTRIBUTE_HANDLER(ABI_FP_number_model), - ATTRIBUTE_HANDLER(ABI_align_needed), - ATTRIBUTE_HANDLER(ABI_align_preserved), - ATTRIBUTE_HANDLER(ABI_enum_size), - ATTRIBUTE_HANDLER(ABI_HardFP_use), - ATTRIBUTE_HANDLER(ABI_VFP_args), - ATTRIBUTE_HANDLER(ABI_WMMX_args), - ATTRIBUTE_HANDLER(ABI_optimization_goals), - ATTRIBUTE_HANDLER(ABI_FP_optimization_goals), - ATTRIBUTE_HANDLER(compatibility), - ATTRIBUTE_HANDLER(CPU_unaligned_access), - ATTRIBUTE_HANDLER(FP_HP_extension), - ATTRIBUTE_HANDLER(ABI_FP_16bit_format), - ATTRIBUTE_HANDLER(MPextension_use), - ATTRIBUTE_HANDLER(DIV_use), - ATTRIBUTE_HANDLER(DSP_extension), - ATTRIBUTE_HANDLER(T2EE_use), - ATTRIBUTE_HANDLER(Virtualization_use), - ATTRIBUTE_HANDLER(nodefaults) -}; - -#undef ATTRIBUTE_HANDLER - -uint64_t ARMAttributeParser::ParseInteger(const uint8_t *Data, - uint32_t &Offset) { - unsigned Length; - uint64_t Value = decodeULEB128(Data + Offset, &Length); - Offset = Offset + Length; - return Value; -} - -StringRef ARMAttributeParser::ParseString(const uint8_t *Data, - uint32_t &Offset) { - const char *String = reinterpret_cast<const char*>(Data + Offset); - size_t Length = std::strlen(String); - Offset = Offset + Length + 1; - return StringRef(String, Length); -} - -void ARMAttributeParser::IntegerAttribute(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - SW.printNumber(ARMBuildAttrs::AttrTypeAsString(Tag), - ParseInteger(Data, Offset)); -} - -void ARMAttributeParser::StringAttribute(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - StringRef TagName = ARMBuildAttrs::AttrTypeAsString(Tag, /*TagPrefix*/false); - - DictScope AS(SW, "Attribute"); - SW.printNumber("Tag", Tag); - if (!TagName.empty()) - SW.printString("TagName", TagName); - SW.printString("Value", ParseString(Data, Offset)); -} - -void ARMAttributeParser::PrintAttribute(unsigned Tag, unsigned Value, - StringRef ValueDesc) { - StringRef TagName = ARMBuildAttrs::AttrTypeAsString(Tag, /*TagPrefix*/false); - - DictScope AS(SW, "Attribute"); - SW.printNumber("Tag", Tag); - SW.printNumber("Value", Value); - if (!TagName.empty()) - SW.printString("TagName", TagName); - if (!ValueDesc.empty()) - SW.printString("Description", ValueDesc); -} - -void ARMAttributeParser::CPU_arch(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { - "Pre-v4", "ARM v4", "ARM v4T", "ARM v5T", "ARM v5TE", "ARM v5TEJ", "ARM v6", - "ARM v6KZ", "ARM v6T2", "ARM v6K", "ARM v7", "ARM v6-M", "ARM v6S-M", - "ARM v7E-M", "ARM v8" - }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::CPU_arch_profile(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - uint64_t Encoded = ParseInteger(Data, Offset); - - StringRef Profile; - switch (Encoded) { - default: Profile = "Unknown"; break; - case 'A': Profile = "Application"; break; - case 'R': Profile = "Real-time"; break; - case 'M': Profile = "Microcontroller"; break; - case 'S': Profile = "Classic"; break; - case 0: Profile = "None"; break; - } - - PrintAttribute(Tag, Encoded, Profile); -} - -void ARMAttributeParser::ARM_ISA_use(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { "Not Permitted", "Permitted" }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::THUMB_ISA_use(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { "Not Permitted", "Thumb-1", "Thumb-2" }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::FP_arch(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { - "Not Permitted", "VFPv1", "VFPv2", "VFPv3", "VFPv3-D16", "VFPv4", - "VFPv4-D16", "ARMv8-a FP", "ARMv8-a FP-D16" - }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::WMMX_arch(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { "Not Permitted", "WMMXv1", "WMMXv2" }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::Advanced_SIMD_arch(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { - "Not Permitted", "NEONv1", "NEONv2+FMA", "ARMv8-a NEON", "ARMv8.1-a NEON" - }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::PCS_config(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { - "None", "Bare Platform", "Linux Application", "Linux DSO", "Palm OS 2004", - "Reserved (Palm OS)", "Symbian OS 2004", "Reserved (Symbian OS)" - }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::ABI_PCS_R9_use(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { "v6", "Static Base", "TLS", "Unused" }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::ABI_PCS_RW_data(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { - "Absolute", "PC-relative", "SB-relative", "Not Permitted" - }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::ABI_PCS_RO_data(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { - "Absolute", "PC-relative", "Not Permitted" - }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::ABI_PCS_GOT_use(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { - "Not Permitted", "Direct", "GOT-Indirect" - }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::ABI_PCS_wchar_t(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { - "Not Permitted", "Unknown", "2-byte", "Unknown", "4-byte" - }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::ABI_FP_rounding(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { "IEEE-754", "Runtime" }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::ABI_FP_denormal(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { - "Unsupported", "IEEE-754", "Sign Only" - }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::ABI_FP_exceptions(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { "Not Permitted", "IEEE-754" }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::ABI_FP_user_exceptions(AttrType Tag, - const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { "Not Permitted", "IEEE-754" }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::ABI_FP_number_model(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { - "Not Permitted", "Finite Only", "RTABI", "IEEE-754" - }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::ABI_align_needed(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { - "Not Permitted", "8-byte alignment", "4-byte alignment", "Reserved" - }; - - uint64_t Value = ParseInteger(Data, Offset); - - std::string Description; - if (Value < array_lengthof(Strings)) - Description = std::string(Strings[Value]); - else if (Value <= 12) - Description = std::string("8-byte alignment, ") + utostr(1ULL << Value) - + std::string("-byte extended alignment"); - else - Description = "Invalid"; - - PrintAttribute(Tag, Value, Description); -} - -void ARMAttributeParser::ABI_align_preserved(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { - "Not Required", "8-byte data alignment", "8-byte data and code alignment", - "Reserved" - }; - - uint64_t Value = ParseInteger(Data, Offset); - - std::string Description; - if (Value < array_lengthof(Strings)) - Description = std::string(Strings[Value]); - else if (Value <= 12) - Description = std::string("8-byte stack alignment, ") + - utostr(1ULL << Value) + std::string("-byte data alignment"); - else - Description = "Invalid"; - - PrintAttribute(Tag, Value, Description); -} - -void ARMAttributeParser::ABI_enum_size(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { - "Not Permitted", "Packed", "Int32", "External Int32" - }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::ABI_HardFP_use(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { - "Tag_FP_arch", "Single-Precision", "Reserved", "Tag_FP_arch (deprecated)" - }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::ABI_VFP_args(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { - "AAPCS", "AAPCS VFP", "Custom", "Not Permitted" - }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::ABI_WMMX_args(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { "AAPCS", "iWMMX", "Custom" }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::ABI_optimization_goals(AttrType Tag, - const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { - "None", "Speed", "Aggressive Speed", "Size", "Aggressive Size", "Debugging", - "Best Debugging" - }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::ABI_FP_optimization_goals(AttrType Tag, - const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { - "None", "Speed", "Aggressive Speed", "Size", "Aggressive Size", "Accuracy", - "Best Accuracy" - }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::compatibility(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - uint64_t Integer = ParseInteger(Data, Offset); - StringRef String = ParseString(Data, Offset); - - DictScope AS(SW, "Attribute"); - SW.printNumber("Tag", Tag); - SW.startLine() << "Value: " << Integer << ", " << String << '\n'; - SW.printString("TagName", AttrTypeAsString(Tag, /*TagPrefix*/false)); - switch (Integer) { - case 0: - SW.printString("Description", StringRef("No Specific Requirements")); - break; - case 1: - SW.printString("Description", StringRef("AEABI Conformant")); - break; - default: - SW.printString("Description", StringRef("AEABI Non-Conformant")); - break; - } -} - -void ARMAttributeParser::CPU_unaligned_access(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { "Not Permitted", "v6-style" }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::FP_HP_extension(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { "If Available", "Permitted" }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::ABI_FP_16bit_format(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { "Not Permitted", "IEEE-754", "VFPv3" }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::MPextension_use(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { "Not Permitted", "Permitted" }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::DIV_use(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { - "If Available", "Not Permitted", "Permitted" - }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::DSP_extension(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { "Not Permitted", "Permitted" }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::T2EE_use(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { "Not Permitted", "Permitted" }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::Virtualization_use(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - static const char *const Strings[] = { - "Not Permitted", "TrustZone", "Virtualization Extensions", - "TrustZone + Virtualization Extensions" - }; - - uint64_t Value = ParseInteger(Data, Offset); - StringRef ValueDesc = - (Value < array_lengthof(Strings)) ? Strings[Value] : nullptr; - PrintAttribute(Tag, Value, ValueDesc); -} - -void ARMAttributeParser::nodefaults(AttrType Tag, const uint8_t *Data, - uint32_t &Offset) { - uint64_t Value = ParseInteger(Data, Offset); - PrintAttribute(Tag, Value, "Unspecified Tags UNDEFINED"); -} - -void ARMAttributeParser::ParseIndexList(const uint8_t *Data, uint32_t &Offset, - SmallVectorImpl<uint8_t> &IndexList) { - for (;;) { - unsigned Length; - uint64_t Value = decodeULEB128(Data + Offset, &Length); - Offset = Offset + Length; - if (Value == 0) - break; - IndexList.push_back(Value); - } -} - -void ARMAttributeParser::ParseAttributeList(const uint8_t *Data, - uint32_t &Offset, uint32_t Length) { - while (Offset < Length) { - unsigned Length; - uint64_t Tag = decodeULEB128(Data + Offset, &Length); - Offset += Length; - - bool Handled = false; - for (unsigned AHI = 0, AHE = array_lengthof(DisplayRoutines); - AHI != AHE && !Handled; ++AHI) { - if (DisplayRoutines[AHI].Attribute == Tag) { - (this->*DisplayRoutines[AHI].Routine)(ARMBuildAttrs::AttrType(Tag), - Data, Offset); - Handled = true; - break; - } - } - if (!Handled) { - if (Tag < 32) { - errs() << "unhandled AEABI Tag " << Tag - << " (" << ARMBuildAttrs::AttrTypeAsString(Tag) << ")\n"; - continue; - } - - if (Tag % 2 == 0) - IntegerAttribute(ARMBuildAttrs::AttrType(Tag), Data, Offset); - else - StringAttribute(ARMBuildAttrs::AttrType(Tag), Data, Offset); - } - } -} - -void ARMAttributeParser::ParseSubsection(const uint8_t *Data, uint32_t Length) { - uint32_t Offset = sizeof(uint32_t); /* SectionLength */ - - SW.printNumber("SectionLength", Length); - - const char *VendorName = reinterpret_cast<const char*>(Data + Offset); - size_t VendorNameLength = std::strlen(VendorName); - SW.printString("Vendor", StringRef(VendorName, VendorNameLength)); - Offset = Offset + VendorNameLength + 1; - - if (StringRef(VendorName, VendorNameLength).lower() != "aeabi") - return; - - while (Offset < Length) { - /// Tag_File | Tag_Section | Tag_Symbol uleb128:byte-size - uint8_t Tag = Data[Offset]; - SW.printEnum("Tag", Tag, makeArrayRef(TagNames)); - Offset = Offset + sizeof(Tag); - - uint32_t Size = - *reinterpret_cast<const support::ulittle32_t*>(Data + Offset); - SW.printNumber("Size", Size); - Offset = Offset + sizeof(Size); - - if (Size > Length) { - errs() << "subsection length greater than section length\n"; - return; - } - - StringRef ScopeName, IndexName; - SmallVector<uint8_t, 8> Indicies; - switch (Tag) { - case ARMBuildAttrs::File: - ScopeName = "FileAttributes"; - break; - case ARMBuildAttrs::Section: - ScopeName = "SectionAttributes"; - IndexName = "Sections"; - ParseIndexList(Data, Offset, Indicies); - break; - case ARMBuildAttrs::Symbol: - ScopeName = "SymbolAttributes"; - IndexName = "Symbols"; - ParseIndexList(Data, Offset, Indicies); - break; - default: - errs() << "unrecognised tag: 0x" << utohexstr(Tag) << '\n'; - return; - } - - DictScope ASS(SW, ScopeName); - - if (!Indicies.empty()) - SW.printList(IndexName, Indicies); - - ParseAttributeList(Data, Offset, Length); - } -} - -void ARMAttributeParser::Parse(ArrayRef<uint8_t> Section) { - size_t Offset = 1; - unsigned SectionNumber = 0; - - while (Offset < Section.size()) { - uint32_t SectionLength = - *reinterpret_cast<const support::ulittle32_t*>(Section.data() + Offset); - - SW.startLine() << "Section " << ++SectionNumber << " {\n"; - SW.indent(); - - ParseSubsection(Section.data() + Offset, SectionLength); - Offset = Offset + SectionLength; - - SW.unindent(); - SW.startLine() << "}\n"; - } -} -} - |
