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author | Stephen Hines <srhines@google.com> | 2014-05-29 02:49:00 -0700 |
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committer | Stephen Hines <srhines@google.com> | 2014-05-29 02:49:00 -0700 |
commit | dce4a407a24b04eebc6a376f8e62b41aaa7b071f (patch) | |
tree | dcebc53f2b182f145a2e659393bf9a0472cedf23 /tools/llvm-objdump | |
parent | 220b921aed042f9e520c26cffd8282a94c66c3d5 (diff) | |
download | external_llvm-dce4a407a24b04eebc6a376f8e62b41aaa7b071f.zip external_llvm-dce4a407a24b04eebc6a376f8e62b41aaa7b071f.tar.gz external_llvm-dce4a407a24b04eebc6a376f8e62b41aaa7b071f.tar.bz2 |
Update LLVM for 3.5 rebase (r209712).
Change-Id: I149556c940fb7dc92d075273c87ff584f400941f
Diffstat (limited to 'tools/llvm-objdump')
-rw-r--r-- | tools/llvm-objdump/MachODump.cpp | 12 | ||||
-rw-r--r-- | tools/llvm-objdump/llvm-objdump.cpp | 87 |
2 files changed, 62 insertions, 37 deletions
diff --git a/tools/llvm-objdump/MachODump.cpp b/tools/llvm-objdump/MachODump.cpp index 89b038f..3ca582f 100644 --- a/tools/llvm-objdump/MachODump.cpp +++ b/tools/llvm-objdump/MachODump.cpp @@ -17,6 +17,7 @@ #include "llvm/ADT/Triple.h" #include "llvm/DebugInfo/DIContext.h" #include "llvm/MC/MCAsmInfo.h" +#include "llvm/MC/MCContext.h" #include "llvm/MC/MCDisassembler.h" #include "llvm/MC/MCInst.h" #include "llvm/MC/MCInstPrinter.h" @@ -64,7 +65,7 @@ static const Target *GetTarget(const MachOObjectFile *MachOObj) { errs() << "llvm-objdump: error: unable to get target for '" << TripleName << "', see --version and --triple.\n"; - return 0; + return nullptr; } struct SymbolSorter { @@ -225,8 +226,9 @@ static void DisassembleInputMachO2(StringRef Filename, TheTarget->createMCAsmInfo(*MRI, TripleName)); std::unique_ptr<const MCSubtargetInfo> STI( TheTarget->createMCSubtargetInfo(TripleName, "", "")); + MCContext Ctx(AsmInfo.get(), MRI.get(), nullptr); std::unique_ptr<const MCDisassembler> DisAsm( - TheTarget->createMCDisassembler(*STI)); + TheTarget->createMCDisassembler(*STI, Ctx)); int AsmPrinterVariant = AsmInfo->getAssemblerDialect(); std::unique_ptr<MCInstPrinter> IP(TheTarget->createMCInstPrinter( AsmPrinterVariant, *AsmInfo, *InstrInfo, *MRI, *STI)); @@ -419,9 +421,9 @@ static void DisassembleInputMachO2(StringRef Filename, DILineInfo dli = diContext->getLineInfoForAddress(SectAddress + Index); // Print valid line info if it changed. - if (dli != lastLine && dli.getLine() != 0) - outs() << "\t## " << dli.getFileName() << ':' - << dli.getLine() << ':' << dli.getColumn(); + if (dli != lastLine && dli.Line != 0) + outs() << "\t## " << dli.FileName << ':' << dli.Line << ':' + << dli.Column; lastLine = dli; } outs() << "\n"; diff --git a/tools/llvm-objdump/llvm-objdump.cpp b/tools/llvm-objdump/llvm-objdump.cpp index 729fcba..a4fc6d0 100644 --- a/tools/llvm-objdump/llvm-objdump.cpp +++ b/tools/llvm-objdump/llvm-objdump.cpp @@ -157,7 +157,7 @@ bool llvm::error(error_code EC) { return true; } -static const Target *getTarget(const ObjectFile *Obj = NULL) { +static const Target *getTarget(const ObjectFile *Obj = nullptr) { // Figure out the target triple. llvm::Triple TheTriple("unknown-unknown-unknown"); if (TripleName.empty()) { @@ -167,6 +167,12 @@ static const Target *getTarget(const ObjectFile *Obj = NULL) { // the best we can do here is indicate that it is mach-o. if (Obj->isMachO()) TheTriple.setObjectFormat(Triple::MachO); + + if (Obj->isCOFF()) { + const auto COFFObj = dyn_cast<COFFObjectFile>(Obj); + if (COFFObj->getArch() == Triple::thumb) + TheTriple.setTriple("thumbv7-windows"); + } } } else TheTriple.setTriple(Triple::normalize(TripleName)); @@ -177,7 +183,7 @@ static const Target *getTarget(const ObjectFile *Obj = NULL) { Error); if (!TheTarget) { errs() << ToolName << ": " << Error; - return 0; + return nullptr; } // Update the triple name and return the found target. @@ -309,24 +315,25 @@ static void DisassembleObject(const ObjectFile *Obj, bool InlineRelocs) { return; } - std::unique_ptr<MCDisassembler> DisAsm(TheTarget->createMCDisassembler(*STI)); + std::unique_ptr<const MCObjectFileInfo> MOFI(new MCObjectFileInfo); + MCContext Ctx(AsmInfo.get(), MRI.get(), MOFI.get()); + + std::unique_ptr<MCDisassembler> DisAsm( + TheTarget->createMCDisassembler(*STI, Ctx)); + if (!DisAsm) { errs() << "error: no disassembler for target " << TripleName << "\n"; return; } - std::unique_ptr<const MCObjectFileInfo> MOFI; - std::unique_ptr<MCContext> Ctx; if (Symbolize) { - MOFI.reset(new MCObjectFileInfo); - Ctx.reset(new MCContext(AsmInfo.get(), MRI.get(), MOFI.get())); std::unique_ptr<MCRelocationInfo> RelInfo( - TheTarget->createMCRelocationInfo(TripleName, *Ctx.get())); + TheTarget->createMCRelocationInfo(TripleName, Ctx)); if (RelInfo) { std::unique_ptr<MCSymbolizer> Symzer( - MCObjectSymbolizer::createObjectSymbolizer(*Ctx.get(), - std::move(RelInfo), Obj)); + MCObjectSymbolizer::createObjectSymbolizer(Ctx, std::move(RelInfo), + Obj)); if (Symzer) DisAsm->setSymbolizer(std::move(Symzer)); } @@ -664,16 +671,33 @@ static void PrintSectionContents(const ObjectFile *Obj) { static void PrintCOFFSymbolTable(const COFFObjectFile *coff) { const coff_file_header *header; - if (error(coff->getHeader(header))) return; - int aux_count = 0; - const coff_symbol *symbol = 0; - for (int i = 0, e = header->NumberOfSymbols; i != e; ++i) { - if (aux_count--) { - // Figure out which type of aux this is. - if (symbol->isSectionDefinition()) { // Section definition. + if (error(coff->getHeader(header))) + return; + + for (unsigned SI = 0, SE = header->NumberOfSymbols; SI != SE; ++SI) { + const coff_symbol *Symbol; + StringRef Name; + if (error(coff->getSymbol(SI, Symbol))) + return; + + if (error(coff->getSymbolName(Symbol, Name))) + return; + + outs() << "[" << format("%2d", SI) << "]" + << "(sec " << format("%2d", int(Symbol->SectionNumber)) << ")" + << "(fl 0x00)" // Flag bits, which COFF doesn't have. + << "(ty " << format("%3x", unsigned(Symbol->Type)) << ")" + << "(scl " << format("%3x", unsigned(Symbol->StorageClass)) << ") " + << "(nx " << unsigned(Symbol->NumberOfAuxSymbols) << ") " + << "0x" << format("%08x", unsigned(Symbol->Value)) << " " + << Name << "\n"; + + for (unsigned AI = 0, AE = Symbol->NumberOfAuxSymbols; AI < AE; ++AI, ++SI) { + if (Symbol->isSectionDefinition()) { const coff_aux_section_definition *asd; - if (error(coff->getAuxSymbol<coff_aux_section_definition>(i, asd))) + if (error(coff->getAuxSymbol<coff_aux_section_definition>(SI + 1, asd))) return; + outs() << "AUX " << format("scnlen 0x%x nreloc %d nlnno %d checksum 0x%x " , unsigned(asd->Length) @@ -683,21 +707,20 @@ static void PrintCOFFSymbolTable(const COFFObjectFile *coff) { << format("assoc %d comdat %d\n" , unsigned(asd->Number) , unsigned(asd->Selection)); - } else + } else if (Symbol->isFileRecord()) { + const coff_aux_file *AF; + if (error(coff->getAuxSymbol<coff_aux_file>(SI + 1, AF))) + return; + + StringRef Name(AF->FileName, + Symbol->NumberOfAuxSymbols * COFF::SymbolSize); + outs() << "AUX " << Name.rtrim(StringRef("\0", 1)) << '\n'; + + SI = SI + Symbol->NumberOfAuxSymbols; + break; + } else { outs() << "AUX Unknown\n"; - } else { - StringRef name; - if (error(coff->getSymbol(i, symbol))) return; - if (error(coff->getSymbolName(symbol, name))) return; - outs() << "[" << format("%2d", i) << "]" - << "(sec " << format("%2d", int(symbol->SectionNumber)) << ")" - << "(fl 0x00)" // Flag bits, which COFF doesn't have. - << "(ty " << format("%3x", unsigned(symbol->Type)) << ")" - << "(scl " << format("%3x", unsigned(symbol->StorageClass)) << ") " - << "(nx " << unsigned(symbol->NumberOfAuxSymbols) << ") " - << "0x" << format("%08x", unsigned(symbol->Value)) << " " - << name << "\n"; - aux_count = symbol->NumberOfAuxSymbols; + } } } } |