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Small obj2yaml cleanups.
* using namespace llvm. * whitespace. * early return. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179920 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
parent
f59a2a86ff
commit
da177ce51c
@ -10,6 +10,7 @@
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#include "obj2yaml.h"
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#include "llvm/Object/COFF.h"
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using namespace llvm;
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template <typename One, typename Two>
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struct pod_pair { // I'd much rather use std::pair, but it's not a POD
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@ -17,8 +18,8 @@ struct pod_pair { // I'd much rather use std::pair, but it's not a POD
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Two second;
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};
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#define STRING_PAIR(x) {llvm::COFF::x, #x}
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static const pod_pair<llvm::COFF::MachineTypes, const char *>
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#define STRING_PAIR(x) {COFF::x, #x}
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static const pod_pair<COFF::MachineTypes, const char *>
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MachineTypePairs [] = {
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STRING_PAIR(IMAGE_FILE_MACHINE_UNKNOWN),
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STRING_PAIR(IMAGE_FILE_MACHINE_AM33),
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@ -43,7 +44,7 @@ MachineTypePairs [] = {
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STRING_PAIR(IMAGE_FILE_MACHINE_WCEMIPSV2)
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};
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static const pod_pair<llvm::COFF::SectionCharacteristics, const char *>
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static const pod_pair<COFF::SectionCharacteristics, const char *>
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SectionCharacteristicsPairs1 [] = {
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STRING_PAIR(IMAGE_SCN_TYPE_NO_PAD),
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STRING_PAIR(IMAGE_SCN_CNT_CODE),
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@ -60,7 +61,7 @@ SectionCharacteristicsPairs1 [] = {
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STRING_PAIR(IMAGE_SCN_MEM_PRELOAD)
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};
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static const pod_pair<llvm::COFF::SectionCharacteristics, const char *>
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static const pod_pair<COFF::SectionCharacteristics, const char *>
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SectionCharacteristicsPairsAlignment [] = {
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STRING_PAIR(IMAGE_SCN_ALIGN_1BYTES),
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STRING_PAIR(IMAGE_SCN_ALIGN_2BYTES),
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@ -78,7 +79,7 @@ SectionCharacteristicsPairsAlignment [] = {
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STRING_PAIR(IMAGE_SCN_ALIGN_8192BYTES)
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};
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static const pod_pair<llvm::COFF::SectionCharacteristics, const char *>
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static const pod_pair<COFF::SectionCharacteristics, const char *>
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SectionCharacteristicsPairs2 [] = {
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STRING_PAIR(IMAGE_SCN_LNK_NRELOC_OVFL),
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STRING_PAIR(IMAGE_SCN_MEM_DISCARDABLE),
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@ -89,8 +90,8 @@ SectionCharacteristicsPairs2 [] = {
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STRING_PAIR(IMAGE_SCN_MEM_READ),
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STRING_PAIR(IMAGE_SCN_MEM_WRITE)
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};
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static const pod_pair<llvm::COFF::SymbolBaseType, const char *>
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static const pod_pair<COFF::SymbolBaseType, const char *>
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SymbolBaseTypePairs [] = {
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STRING_PAIR(IMAGE_SYM_TYPE_NULL),
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STRING_PAIR(IMAGE_SYM_TYPE_VOID),
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@ -110,15 +111,15 @@ SymbolBaseTypePairs [] = {
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STRING_PAIR(IMAGE_SYM_TYPE_DWORD)
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};
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static const pod_pair<llvm::COFF::SymbolComplexType, const char *>
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static const pod_pair<COFF::SymbolComplexType, const char *>
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SymbolComplexTypePairs [] = {
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STRING_PAIR(IMAGE_SYM_DTYPE_NULL),
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STRING_PAIR(IMAGE_SYM_DTYPE_POINTER),
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STRING_PAIR(IMAGE_SYM_DTYPE_FUNCTION),
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STRING_PAIR(IMAGE_SYM_DTYPE_ARRAY),
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};
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static const pod_pair<llvm::COFF::SymbolStorageClass, const char *>
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static const pod_pair<COFF::SymbolStorageClass, const char *>
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SymbolStorageClassPairs [] = {
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STRING_PAIR(IMAGE_SYM_CLASS_END_OF_FUNCTION),
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STRING_PAIR(IMAGE_SYM_CLASS_NULL),
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@ -149,7 +150,7 @@ SymbolStorageClassPairs [] = {
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STRING_PAIR(IMAGE_SYM_CLASS_CLR_TOKEN),
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};
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static const pod_pair<llvm::COFF::RelocationTypeX86, const char *>
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static const pod_pair<COFF::RelocationTypeX86, const char *>
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RelocationTypeX86Pairs [] = {
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STRING_PAIR(IMAGE_REL_I386_ABSOLUTE),
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STRING_PAIR(IMAGE_REL_I386_DIR16),
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@ -181,7 +182,7 @@ RelocationTypeX86Pairs [] = {
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STRING_PAIR(IMAGE_REL_AMD64_SSPAN32)
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};
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static const pod_pair<llvm::COFF::RelocationTypesARM, const char *>
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static const pod_pair<COFF::RelocationTypesARM, const char *>
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RelocationTypesARMPairs [] = {
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STRING_PAIR(IMAGE_REL_ARM_ABSOLUTE),
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STRING_PAIR(IMAGE_REL_ARM_ADDR32),
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@ -203,8 +204,8 @@ RelocationTypesARMPairs [] = {
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namespace yaml { // COFF-specific yaml-writing specific routines
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static llvm::raw_ostream &writeName(llvm::raw_ostream &Out,
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const char *Name, std::size_t NameSize) {
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static raw_ostream &writeName(raw_ostream &Out,
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const char *Name, std::size_t NameSize) {
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for (std::size_t i = 0; i < NameSize; ++i) {
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if (!Name[i]) break;
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Out << Name[i];
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@ -214,8 +215,9 @@ static llvm::raw_ostream &writeName(llvm::raw_ostream &Out,
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// Given an array of pod_pair<enum, const char *>, write all enums that match
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template <typename T, std::size_t N>
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static llvm::raw_ostream &writeBitMask(llvm::raw_ostream &Out,
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const pod_pair<T, const char *> (&Arr)[N], unsigned long Val) {
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static raw_ostream &writeBitMask(raw_ostream &Out,
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const pod_pair<T, const char *> (&Arr)[N],
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unsigned long Val) {
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for (std::size_t i = 0; i < N; ++i)
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if (Val & Arr[i].first)
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Out << Arr[i].second << ", ";
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@ -226,8 +228,8 @@ static llvm::raw_ostream &writeBitMask(llvm::raw_ostream &Out,
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// Given an array of pod_pair<enum, const char *>, look up a value
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template <typename T, std::size_t N>
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const char *nameLookup(const pod_pair<T, const char *> (&Arr)[N],
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unsigned long Val, const char *NotFound = NULL) {
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const char *nameLookup(const pod_pair<T, const char *> (&Arr)[N],
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unsigned long Val, const char *NotFound = NULL) {
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T n = static_cast<T>(Val);
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for (std::size_t i = 0; i < N; ++i)
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if (n == Arr[i].first)
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@ -236,8 +238,8 @@ const char *nameLookup(const pod_pair<T, const char *> (&Arr)[N],
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}
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static llvm::raw_ostream &yamlCOFFHeader(
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const llvm::object::coff_file_header *Header,llvm::raw_ostream &Out) {
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static raw_ostream &yamlCOFFHeader(const object::coff_file_header *Header,
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raw_ostream &Out) {
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Out << "header: !Header\n";
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Out << " Machine: ";
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@ -247,94 +249,96 @@ static llvm::raw_ostream &yamlCOFFHeader(
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}
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static llvm::raw_ostream &yamlCOFFSections(llvm::object::COFFObjectFile &Obj,
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std::size_t NumSections, llvm::raw_ostream &Out) {
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llvm::error_code ec;
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static raw_ostream &yamlCOFFSections(object::COFFObjectFile &Obj,
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std::size_t NumSections,
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raw_ostream &Out) {
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error_code ec;
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Out << "sections:\n";
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for (llvm::object::section_iterator iter = Obj.begin_sections();
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iter != Obj.end_sections(); iter.increment(ec)) {
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const llvm::object::coff_section *sect = Obj.getCOFFSection(iter);
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for (object::section_iterator iter = Obj.begin_sections();
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iter != Obj.end_sections(); iter.increment(ec)) {
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const object::coff_section *sect = Obj.getCOFFSection(iter);
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Out << " - !Section\n";
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Out << " Name: ";
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yaml::writeName(Out, sect->Name, sizeof(sect->Name)) << '\n';
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Out << " Characteristics: [";
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yaml::writeBitMask(Out, SectionCharacteristicsPairs1, sect->Characteristics);
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Out << nameLookup(SectionCharacteristicsPairsAlignment,
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sect->Characteristics & 0x00F00000, "# Unrecognized_IMAGE_SCN_ALIGN")
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Out << nameLookup(SectionCharacteristicsPairsAlignment,
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sect->Characteristics & 0x00F00000, "# Unrecognized_IMAGE_SCN_ALIGN")
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<< ", ";
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yaml::writeBitMask(Out, SectionCharacteristicsPairs2, sect->Characteristics);
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Out << "] # ";
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yaml::writeHexNumber(Out, sect->Characteristics) << '\n';
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llvm::ArrayRef<uint8_t> sectionData;
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Obj.getSectionContents(sect, sectionData);
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ArrayRef<uint8_t> sectionData;
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Obj.getSectionContents(sect, sectionData);
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Out << " SectionData: ";
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yaml::writeHexStream(Out, sectionData) << '\n';
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if (iter->begin_relocations() != iter->end_relocations())
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Out << " Relocations:\n";
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for (llvm::object::relocation_iterator rIter = iter->begin_relocations();
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for (object::relocation_iterator rIter = iter->begin_relocations();
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rIter != iter->end_relocations(); rIter.increment(ec)) {
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const llvm::object::coff_relocation *reloc = Obj.getCOFFRelocation(rIter);
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const object::coff_relocation *reloc = Obj.getCOFFRelocation(rIter);
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Out << " - !Relocation\n";
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Out << " VirtualAddress: " ;
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yaml::writeHexNumber(Out, reloc->VirtualAddress) << '\n';
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Out << " SymbolTableIndex: " << reloc->SymbolTableIndex << '\n';
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Out << " Type: "
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Out << " Type: "
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<< nameLookup(RelocationTypeX86Pairs, reloc->Type) << '\n';
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// TODO: Use the correct reloc type for the machine.
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Out << '\n';
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}
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}
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}
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return Out;
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}
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static llvm::raw_ostream& yamlCOFFSymbols(llvm::object::COFFObjectFile &Obj,
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std::size_t NumSymbols, llvm::raw_ostream &Out) {
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llvm::error_code ec;
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static raw_ostream& yamlCOFFSymbols(object::COFFObjectFile &Obj,
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std::size_t NumSymbols,
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raw_ostream &Out) {
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error_code ec;
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Out << "symbols:\n";
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for (llvm::object::symbol_iterator iter = Obj.begin_symbols();
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iter != Obj.end_symbols(); iter.increment(ec)) {
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for (object::symbol_iterator iter = Obj.begin_symbols();
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iter != Obj.end_symbols(); iter.increment(ec)) {
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// Gather all the info that we need
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llvm::StringRef str;
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const llvm::object::coff_symbol *symbol = Obj.getCOFFSymbol(iter);
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StringRef str;
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const object::coff_symbol *symbol = Obj.getCOFFSymbol(iter);
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Obj.getSymbolName(symbol, str);
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std::size_t simpleType = symbol->getBaseType();
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std::size_t complexType = symbol->getComplexType();
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std::size_t storageClass = symbol->StorageClass;
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Out << " - !Symbol\n";
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Out << " Name: " << str << '\n';
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Out << " Name: " << str << '\n';
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Out << " Value: " << symbol->Value << '\n';
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Out << " SectionNumber: " << symbol->SectionNumber << '\n';
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Out << " SimpleType: "
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<< nameLookup(SymbolBaseTypePairs, simpleType,
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"# Unknown_SymbolBaseType")
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Out << " SimpleType: "
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<< nameLookup(SymbolBaseTypePairs, simpleType,
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"# Unknown_SymbolBaseType")
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<< " # (" << simpleType << ")\n";
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Out << " ComplexType: "
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<< nameLookup(SymbolComplexTypePairs, complexType,
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"# Unknown_SymbolComplexType")
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Out << " ComplexType: "
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<< nameLookup(SymbolComplexTypePairs, complexType,
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"# Unknown_SymbolComplexType")
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<< " # (" << complexType << ")\n";
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Out << " StorageClass: "
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Out << " StorageClass: "
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<< nameLookup(SymbolStorageClassPairs, storageClass,
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"# Unknown_StorageClass")
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"# Unknown_StorageClass")
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<< " # (" << (int) storageClass << ")\n";
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if (symbol->NumberOfAuxSymbols > 0) {
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llvm::ArrayRef<uint8_t> aux = Obj.getSymbolAuxData(symbol);
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Out << " NumberOfAuxSymbols: "
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ArrayRef<uint8_t> aux = Obj.getSymbolAuxData(symbol);
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Out << " NumberOfAuxSymbols: "
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<< (int) symbol->NumberOfAuxSymbols << '\n';
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Out << " AuxillaryData: ";
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yaml::writeHexStream(Out, aux);
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}
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Out << '\n';
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}
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@ -342,17 +346,20 @@ static llvm::raw_ostream& yamlCOFFSymbols(llvm::object::COFFObjectFile &Obj,
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}
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llvm::error_code coff2yaml(llvm::raw_ostream &Out, llvm::MemoryBuffer *TheObj) {
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llvm::error_code ec;
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llvm::object::COFFObjectFile obj(TheObj, ec);
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if (!ec) {
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const llvm::object::coff_file_header *hd;
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ec = obj.getHeader(hd);
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if (!ec) {
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yamlCOFFHeader(hd, Out);
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yamlCOFFSections(obj, hd->NumberOfSections, Out);
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yamlCOFFSymbols(obj, hd->NumberOfSymbols, Out);
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}
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}
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error_code coff2yaml(raw_ostream &Out, MemoryBuffer *TheObj) {
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error_code ec;
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object::COFFObjectFile obj(TheObj, ec);
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if (ec)
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return ec;
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const object::coff_file_header *hd;
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ec = obj.getHeader(hd);
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if (ec)
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return ec;
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yamlCOFFHeader(hd, Out);
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yamlCOFFSections(obj, hd->NumberOfSections, Out);
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yamlCOFFSymbols(obj, hd->NumberOfSymbols, Out);
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return ec;
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}
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