diff options
Diffstat (limited to 'contrib/llvm/lib/MC/MCParser')
-rw-r--r-- | contrib/llvm/lib/MC/MCParser/AsmLexer.cpp | 32 | ||||
-rw-r--r-- | contrib/llvm/lib/MC/MCParser/AsmParser.cpp | 198 | ||||
-rw-r--r-- | contrib/llvm/lib/MC/MCParser/COFFAsmParser.cpp | 47 | ||||
-rw-r--r-- | contrib/llvm/lib/MC/MCParser/ELFAsmParser.cpp | 59 | ||||
-rw-r--r-- | contrib/llvm/lib/MC/MCParser/MCAsmParser.cpp | 6 | ||||
-rw-r--r-- | contrib/llvm/lib/MC/MCParser/MCTargetAsmParser.cpp (renamed from contrib/llvm/lib/MC/MCParser/TargetAsmParser.cpp) | 8 |
6 files changed, 290 insertions, 60 deletions
diff --git a/contrib/llvm/lib/MC/MCParser/AsmLexer.cpp b/contrib/llvm/lib/MC/MCParser/AsmLexer.cpp index 0c1f8f0..c76052d 100644 --- a/contrib/llvm/lib/MC/MCParser/AsmLexer.cpp +++ b/contrib/llvm/lib/MC/MCParser/AsmLexer.cpp @@ -24,6 +24,7 @@ using namespace llvm; AsmLexer::AsmLexer(const MCAsmInfo &_MAI) : MAI(_MAI) { CurBuf = NULL; CurPtr = NULL; + isAtStartOfLine = true; } AsmLexer::~AsmLexer() { @@ -146,7 +147,7 @@ AsmToken AsmLexer::LexLineComment() { // FIXME: This is broken if we happen to a comment at the end of a file, which // was .included, and which doesn't end with a newline. int CurChar = getNextChar(); - while (CurChar != '\n' && CurChar != '\n' && CurChar != EOF) + while (CurChar != '\n' && CurChar != '\r' && CurChar != EOF) CurChar = getNextChar(); if (CurChar == EOF) @@ -334,6 +335,17 @@ StringRef AsmLexer::LexUntilEndOfStatement() { return StringRef(TokStart, CurPtr-TokStart); } +StringRef AsmLexer::LexUntilEndOfLine() { + TokStart = CurPtr; + + while (*CurPtr != '\n' && + *CurPtr != '\r' && + (*CurPtr != 0 || CurPtr != CurBuf->getBufferEnd())) { + ++CurPtr; + } + return StringRef(TokStart, CurPtr-TokStart); +} + bool AsmLexer::isAtStartOfComment(char Char) { // FIXME: This won't work for multi-character comment indicators like "//". return Char == *MAI.getCommentString(); @@ -349,14 +361,29 @@ AsmToken AsmLexer::LexToken() { // This always consumes at least one character. int CurChar = getNextChar(); - if (isAtStartOfComment(CurChar)) + if (isAtStartOfComment(CurChar)) { + // If this comment starts with a '#', then return the Hash token and let + // the assembler parser see if it can be parsed as a cpp line filename + // comment. We do this only if we are at the start of a line. + if (CurChar == '#' && isAtStartOfLine) + return AsmToken(AsmToken::Hash, StringRef(TokStart, 1)); + isAtStartOfLine = true; return LexLineComment(); + } if (isAtStatementSeparator(TokStart)) { CurPtr += strlen(MAI.getSeparatorString()) - 1; return AsmToken(AsmToken::EndOfStatement, StringRef(TokStart, strlen(MAI.getSeparatorString()))); } + // If we're missing a newline at EOF, make sure we still get an + // EndOfStatement token before the Eof token. + if (CurChar == EOF && !isAtStartOfLine) { + isAtStartOfLine = true; + return AsmToken(AsmToken::EndOfStatement, StringRef(TokStart, 1)); + } + + isAtStartOfLine = false; switch (CurChar) { default: // Handle identifier: [a-zA-Z_.][a-zA-Z0-9_$.@]* @@ -373,6 +400,7 @@ AsmToken AsmLexer::LexToken() { return LexToken(); case '\n': // FALL THROUGH. case '\r': + isAtStartOfLine = true; return AsmToken(AsmToken::EndOfStatement, StringRef(TokStart, 1)); case ':': return AsmToken(AsmToken::Colon, StringRef(TokStart, 1)); case '+': return AsmToken(AsmToken::Plus, StringRef(TokStart, 1)); diff --git a/contrib/llvm/lib/MC/MCParser/AsmParser.cpp b/contrib/llvm/lib/MC/MCParser/AsmParser.cpp index 0c181f3..1648757 100644 --- a/contrib/llvm/lib/MC/MCParser/AsmParser.cpp +++ b/contrib/llvm/lib/MC/MCParser/AsmParser.cpp @@ -18,22 +18,22 @@ #include "llvm/ADT/Twine.h" #include "llvm/MC/MCAsmInfo.h" #include "llvm/MC/MCContext.h" +#include "llvm/MC/MCDwarf.h" #include "llvm/MC/MCExpr.h" #include "llvm/MC/MCParser/AsmCond.h" #include "llvm/MC/MCParser/AsmLexer.h" #include "llvm/MC/MCParser/MCAsmParser.h" #include "llvm/MC/MCParser/MCParsedAsmOperand.h" +#include "llvm/MC/MCRegisterInfo.h" #include "llvm/MC/MCSectionMachO.h" #include "llvm/MC/MCStreamer.h" #include "llvm/MC/MCSymbol.h" -#include "llvm/MC/MCDwarf.h" +#include "llvm/MC/MCTargetAsmParser.h" #include "llvm/Support/CommandLine.h" #include "llvm/Support/MathExtras.h" #include "llvm/Support/MemoryBuffer.h" #include "llvm/Support/SourceMgr.h" #include "llvm/Support/raw_ostream.h" -#include "llvm/Target/TargetAsmInfo.h" -#include "llvm/Target/TargetAsmParser.h" #include <cctype> #include <vector> using namespace llvm; @@ -87,6 +87,8 @@ private: MCStreamer &Out; const MCAsmInfo &MAI; SourceMgr &SrcMgr; + SourceMgr::DiagHandlerTy SavedDiagHandler; + void *SavedDiagContext; MCAsmParserExtension *GenericParser; MCAsmParserExtension *PlatformParser; @@ -115,8 +117,13 @@ private: /// Flag tracking whether any errors have been encountered. unsigned HadError : 1; + /// The values from the last parsed cpp hash file line comment if any. + StringRef CppHashFilename; + int64_t CppHashLineNumber; + SMLoc CppHashLoc; + public: - AsmParser(const Target &T, SourceMgr &SM, MCContext &Ctx, MCStreamer &Out, + AsmParser(SourceMgr &SM, MCContext &Ctx, MCStreamer &Out, const MCAsmInfo &MAI); ~AsmParser(); @@ -153,6 +160,8 @@ private: void CheckForValidSection(); bool ParseStatement(); + void EatToEndOfLine(); + bool ParseCppHashLineFilenameComment(const SMLoc &L); bool HandleMacroEntry(StringRef Name, SMLoc NameLoc, const Macro *M); bool expandMacro(SmallString<256> &Buf, StringRef Body, @@ -166,6 +175,7 @@ private: bool ShowLine = true) const { SrcMgr.PrintMessage(Loc, Msg, Type, ShowLine); } + static void DiagHandler(const SMDiagnostic &Diag, void *Context); /// EnterIncludeFile - Enter the specified file. This returns true on failure. bool EnterIncludeFile(const std::string &Filename); @@ -338,11 +348,16 @@ extern MCAsmParserExtension *createCOFFAsmParser(); enum { DEFAULT_ADDRSPACE = 0 }; -AsmParser::AsmParser(const Target &T, SourceMgr &_SM, MCContext &_Ctx, +AsmParser::AsmParser(SourceMgr &_SM, MCContext &_Ctx, MCStreamer &_Out, const MCAsmInfo &_MAI) : Lexer(_MAI), Ctx(_Ctx), Out(_Out), MAI(_MAI), SrcMgr(_SM), GenericParser(new GenericAsmParser), PlatformParser(0), - CurBuffer(0), MacrosEnabled(true) { + CurBuffer(0), MacrosEnabled(true), CppHashLineNumber(0) { + // Save the old handler. + SavedDiagHandler = SrcMgr.getDiagHandler(); + SavedDiagContext = SrcMgr.getDiagContext(); + // Set our own handler which calls the saved handler. + SrcMgr.setDiagHandler(DiagHandler, this); Lexer.setBuffer(SrcMgr.getMemoryBuffer(CurBuffer)); // Initialize the generic parser. @@ -740,9 +755,12 @@ AsmParser::ApplyModifierToExpr(const MCExpr *E, /// ParseExpression - Parse an expression and return it. /// -/// expr ::= expr +,- expr -> lowest. -/// expr ::= expr |,^,&,! expr -> middle. -/// expr ::= expr *,/,%,<<,>> expr -> highest. +/// expr ::= expr &&,|| expr -> lowest. +/// expr ::= expr |,^,&,! expr +/// expr ::= expr ==,!=,<>,<,<=,>,>= expr +/// expr ::= expr <<,>> expr +/// expr ::= expr +,- expr +/// expr ::= expr *,/,% expr -> highest. /// expr ::= primaryexpr /// bool AsmParser::ParseExpression(const MCExpr *&Res, SMLoc &EndLoc) { @@ -809,7 +827,7 @@ static unsigned getBinOpPrecedence(AsmToken::TokenKind K, default: return 0; // not a binop. - // Lowest Precedence: &&, ||, @ + // Lowest Precedence: &&, || case AsmToken::AmpAmp: Kind = MCBinaryExpr::LAnd; return 1; @@ -852,30 +870,32 @@ static unsigned getBinOpPrecedence(AsmToken::TokenKind K, Kind = MCBinaryExpr::GTE; return 3; + // Intermediate Precedence: <<, >> + case AsmToken::LessLess: + Kind = MCBinaryExpr::Shl; + return 4; + case AsmToken::GreaterGreater: + Kind = MCBinaryExpr::Shr; + return 4; + // High Intermediate Precedence: +, - case AsmToken::Plus: Kind = MCBinaryExpr::Add; - return 4; + return 5; case AsmToken::Minus: Kind = MCBinaryExpr::Sub; - return 4; + return 5; - // Highest Precedence: *, /, %, <<, >> + // Highest Precedence: *, /, % case AsmToken::Star: Kind = MCBinaryExpr::Mul; - return 5; + return 6; case AsmToken::Slash: Kind = MCBinaryExpr::Div; - return 5; + return 6; case AsmToken::Percent: Kind = MCBinaryExpr::Mod; - return 5; - case AsmToken::LessLess: - Kind = MCBinaryExpr::Shl; - return 5; - case AsmToken::GreaterGreater: - Kind = MCBinaryExpr::Shr; - return 5; + return 6; } } @@ -932,10 +952,8 @@ bool AsmParser::ParseStatement() { StringRef IDVal; int64_t LocalLabelVal = -1; // A full line comment is a '#' as the first token. - if (Lexer.is(AsmToken::Hash)) { - EatToEndOfStatement(); - return false; - } + if (Lexer.is(AsmToken::Hash)) + return ParseCppHashLineFilenameComment(IDLoc); // Allow an integer followed by a ':' as a directional local label. if (Lexer.is(AsmToken::Integer)) { @@ -1117,15 +1135,8 @@ bool AsmParser::ParseStatement() { if (IDVal == ".globl" || IDVal == ".global") return ParseDirectiveSymbolAttribute(MCSA_Global); - // ELF only? Should it be here? - if (IDVal == ".local") - return ParseDirectiveSymbolAttribute(MCSA_Local); - if (IDVal == ".hidden") - return ParseDirectiveSymbolAttribute(MCSA_Hidden); if (IDVal == ".indirect_symbol") return ParseDirectiveSymbolAttribute(MCSA_IndirectSymbol); - if (IDVal == ".internal") - return ParseDirectiveSymbolAttribute(MCSA_Internal); if (IDVal == ".lazy_reference") return ParseDirectiveSymbolAttribute(MCSA_LazyReference); if (IDVal == ".no_dead_strip") @@ -1134,12 +1145,8 @@ bool AsmParser::ParseStatement() { return ParseDirectiveSymbolAttribute(MCSA_SymbolResolver); if (IDVal == ".private_extern") return ParseDirectiveSymbolAttribute(MCSA_PrivateExtern); - if (IDVal == ".protected") - return ParseDirectiveSymbolAttribute(MCSA_Protected); if (IDVal == ".reference") return ParseDirectiveSymbolAttribute(MCSA_Reference); - if (IDVal == ".weak") - return ParseDirectiveSymbolAttribute(MCSA_Weak); if (IDVal == ".weak_definition") return ParseDirectiveSymbolAttribute(MCSA_WeakDefinition); if (IDVal == ".weak_reference") @@ -1157,7 +1164,7 @@ bool AsmParser::ParseStatement() { if (IDVal == ".include") return ParseDirectiveInclude(); - if (IDVal == ".code16" || IDVal == ".code32" || IDVal == ".code64") + if (IDVal == ".code16") return TokError(Twine(IDVal) + " not supported yet"); // Look up the handler in the handler table. @@ -1215,6 +1222,108 @@ bool AsmParser::ParseStatement() { return false; } +/// EatToEndOfLine uses the Lexer to eat the characters to the end of the line +/// since they may not be able to be tokenized to get to the end of line token. +void AsmParser::EatToEndOfLine() { + if (!Lexer.is(AsmToken::EndOfStatement)) + Lexer.LexUntilEndOfLine(); + // Eat EOL. + Lex(); +} + +/// ParseCppHashLineFilenameComment as this: +/// ::= # number "filename" +/// or just as a full line comment if it doesn't have a number and a string. +bool AsmParser::ParseCppHashLineFilenameComment(const SMLoc &L) { + Lex(); // Eat the hash token. + + if (getLexer().isNot(AsmToken::Integer)) { + // Consume the line since in cases it is not a well-formed line directive, + // as if were simply a full line comment. + EatToEndOfLine(); + return false; + } + + int64_t LineNumber = getTok().getIntVal(); + Lex(); + + if (getLexer().isNot(AsmToken::String)) { + EatToEndOfLine(); + return false; + } + + StringRef Filename = getTok().getString(); + // Get rid of the enclosing quotes. + Filename = Filename.substr(1, Filename.size()-2); + + // Save the SMLoc, Filename and LineNumber for later use by diagnostics. + CppHashLoc = L; + CppHashFilename = Filename; + CppHashLineNumber = LineNumber; + + // Ignore any trailing characters, they're just comment. + EatToEndOfLine(); + return false; +} + +/// DiagHandler - will use the the last parsed cpp hash line filename comment +/// for the Filename and LineNo if any in the diagnostic. +void AsmParser::DiagHandler(const SMDiagnostic &Diag, void *Context) { + const AsmParser *Parser = static_cast<const AsmParser*>(Context); + raw_ostream &OS = errs(); + + const SourceMgr &DiagSrcMgr = *Diag.getSourceMgr(); + const SMLoc &DiagLoc = Diag.getLoc(); + int DiagBuf = DiagSrcMgr.FindBufferContainingLoc(DiagLoc); + int CppHashBuf = Parser->SrcMgr.FindBufferContainingLoc(Parser->CppHashLoc); + + // Like SourceMgr::PrintMessage() we need to print the include stack if any + // before printing the message. + int DiagCurBuffer = DiagSrcMgr.FindBufferContainingLoc(DiagLoc); + if (!Parser->SavedDiagHandler && DiagCurBuffer > 0) { + SMLoc ParentIncludeLoc = DiagSrcMgr.getParentIncludeLoc(DiagCurBuffer); + DiagSrcMgr.PrintIncludeStack(ParentIncludeLoc, OS); + } + + // If we have not parsed a cpp hash line filename comment or the source + // manager changed or buffer changed (like in a nested include) then just + // print the normal diagnostic using its Filename and LineNo. + if (!Parser->CppHashLineNumber || + &DiagSrcMgr != &Parser->SrcMgr || + DiagBuf != CppHashBuf) { + if (Parser->SavedDiagHandler) + Parser->SavedDiagHandler(Diag, Parser->SavedDiagContext); + else + Diag.Print(0, OS); + return; + } + + // Use the CppHashFilename and calculate a line number based on the + // CppHashLoc and CppHashLineNumber relative to this Diag's SMLoc for + // the diagnostic. + const std::string Filename = Parser->CppHashFilename; + + int DiagLocLineNo = DiagSrcMgr.FindLineNumber(DiagLoc, DiagBuf); + int CppHashLocLineNo = + Parser->SrcMgr.FindLineNumber(Parser->CppHashLoc, CppHashBuf); + int LineNo = Parser->CppHashLineNumber - 1 + + (DiagLocLineNo - CppHashLocLineNo); + + SMDiagnostic NewDiag(*Diag.getSourceMgr(), + Diag.getLoc(), + Filename, + LineNo, + Diag.getColumnNo(), + Diag.getMessage(), + Diag.getLineContents(), + Diag.getShowLine()); + + if (Parser->SavedDiagHandler) + Parser->SavedDiagHandler(NewDiag, Parser->SavedDiagContext); + else + NewDiag.Print(0, OS); +} + bool AsmParser::expandMacro(SmallString<256> &Buf, StringRef Body, const std::vector<StringRef> &Parameters, const std::vector<std::vector<AsmToken> > &A, @@ -1923,12 +2032,17 @@ bool AsmParser::ParseDirectiveSymbolAttribute(MCSymbolAttr Attr) { if (getLexer().isNot(AsmToken::EndOfStatement)) { for (;;) { StringRef Name; + SMLoc Loc = getTok().getLoc(); if (ParseIdentifier(Name)) - return TokError("expected identifier in directive"); + return Error(Loc, "expected identifier in directive"); MCSymbol *Sym = getContext().GetOrCreateSymbol(Name); + // Assembler local symbols don't make any sense here. Complain loudly. + if (Sym->isTemporary()) + return Error(Loc, "non-local symbol required in directive"); + getStreamer().EmitSymbolAttribute(Sym, Attr); if (getLexer().is(AsmToken::EndOfStatement)) @@ -2416,7 +2530,7 @@ bool GenericAsmParser::ParseRegisterOrRegisterNumber(int64_t &Register, if (getParser().getTargetParser().ParseRegister(RegNo, DirectiveLoc, DirectiveLoc)) return true; - Register = getContext().getTargetAsmInfo().getDwarfRegNum(RegNo, true); + Register = getContext().getRegisterInfo().getDwarfRegNum(RegNo, true); } else return getParser().ParseAbsoluteExpression(Register); @@ -2724,8 +2838,8 @@ bool GenericAsmParser::ParseDirectiveLEB128(StringRef DirName, SMLoc) { /// \brief Create an MCAsmParser instance. -MCAsmParser *llvm::createMCAsmParser(const Target &T, SourceMgr &SM, +MCAsmParser *llvm::createMCAsmParser(SourceMgr &SM, MCContext &C, MCStreamer &Out, const MCAsmInfo &MAI) { - return new AsmParser(T, SM, C, Out, MAI); + return new AsmParser(SM, C, Out, MAI); } diff --git a/contrib/llvm/lib/MC/MCParser/COFFAsmParser.cpp b/contrib/llvm/lib/MC/MCParser/COFFAsmParser.cpp index 66ad384..185b516 100644 --- a/contrib/llvm/lib/MC/MCParser/COFFAsmParser.cpp +++ b/contrib/llvm/lib/MC/MCParser/COFFAsmParser.cpp @@ -8,15 +8,16 @@ //===----------------------------------------------------------------------===// #include "llvm/MC/MCParser/MCAsmParserExtension.h" +#include "llvm/ADT/StringSwitch.h" #include "llvm/ADT/Twine.h" #include "llvm/MC/MCAsmInfo.h" #include "llvm/MC/MCContext.h" #include "llvm/MC/MCParser/MCAsmLexer.h" +#include "llvm/MC/MCRegisterInfo.h" #include "llvm/MC/MCSectionCOFF.h" #include "llvm/MC/MCStreamer.h" #include "llvm/MC/MCExpr.h" -#include "llvm/Target/TargetAsmInfo.h" -#include "llvm/Target/TargetAsmParser.h" +#include "llvm/MC/MCTargetAsmParser.h" #include "llvm/Support/COFF.h" using namespace llvm; @@ -72,6 +73,7 @@ class COFFAsmParser : public MCAsmParserExtension { ".seh_pushframe"); AddDirectiveHandler<&COFFAsmParser::ParseSEHDirectiveEndProlog>( ".seh_endprologue"); + AddDirectiveHandler<&COFFAsmParser::ParseDirectiveSymbolAttribute>(".weak"); } bool ParseSectionDirectiveText(StringRef, SMLoc) { @@ -118,12 +120,44 @@ class COFFAsmParser : public MCAsmParserExtension { bool ParseAtUnwindOrAtExcept(bool &unwind, bool &except); bool ParseSEHRegisterNumber(unsigned &RegNo); + bool ParseDirectiveSymbolAttribute(StringRef Directive, SMLoc); public: COFFAsmParser() {} }; } // end annonomous namespace. +/// ParseDirectiveSymbolAttribute +/// ::= { ".weak", ... } [ identifier ( , identifier )* ] +bool COFFAsmParser::ParseDirectiveSymbolAttribute(StringRef Directive, SMLoc) { + MCSymbolAttr Attr = StringSwitch<MCSymbolAttr>(Directive) + .Case(".weak", MCSA_Weak) + .Default(MCSA_Invalid); + assert(Attr != MCSA_Invalid && "unexpected symbol attribute directive!"); + if (getLexer().isNot(AsmToken::EndOfStatement)) { + for (;;) { + StringRef Name; + + if (getParser().ParseIdentifier(Name)) + return TokError("expected identifier in directive"); + + MCSymbol *Sym = getContext().GetOrCreateSymbol(Name); + + getStreamer().EmitSymbolAttribute(Sym, Attr); + + if (getLexer().is(AsmToken::EndOfStatement)) + break; + + if (getLexer().isNot(AsmToken::Comma)) + return TokError("unexpected token in directive"); + Lex(); + } + } + + Lex(); + return false; +} + bool COFFAsmParser::ParseSectionSwitch(StringRef Section, unsigned Characteristics, SectionKind Kind) { @@ -401,12 +435,16 @@ bool COFFAsmParser::ParseAtUnwindOrAtExcept(bool &unwind, bool &except) { bool COFFAsmParser::ParseSEHRegisterNumber(unsigned &RegNo) { SMLoc startLoc = getLexer().getLoc(); if (getLexer().is(AsmToken::Percent)) { - const TargetAsmInfo &TAI = getContext().getTargetAsmInfo(); + const MCRegisterInfo &MRI = getContext().getRegisterInfo(); SMLoc endLoc; unsigned LLVMRegNo; if (getParser().getTargetParser().ParseRegister(LLVMRegNo,startLoc,endLoc)) return true; +#if 0 + // FIXME: TargetAsmInfo::getCalleeSavedRegs() commits a serious layering + // violation so this validation code is disabled. + // Check that this is a non-volatile register. const unsigned *NVRegs = TAI.getCalleeSavedRegs(); unsigned i; @@ -415,8 +453,9 @@ bool COFFAsmParser::ParseSEHRegisterNumber(unsigned &RegNo) { break; if (NVRegs[i] == 0) return Error(startLoc, "expected non-volatile register"); +#endif - int SEHRegNo = TAI.getSEHRegNum(LLVMRegNo); + int SEHRegNo = MRI.getSEHRegNum(LLVMRegNo); if (SEHRegNo < 0) return Error(startLoc,"register can't be represented in SEH unwind info"); RegNo = SEHRegNo; diff --git a/contrib/llvm/lib/MC/MCParser/ELFAsmParser.cpp b/contrib/llvm/lib/MC/MCParser/ELFAsmParser.cpp index dcf689a..d891126 100644 --- a/contrib/llvm/lib/MC/MCParser/ELFAsmParser.cpp +++ b/contrib/llvm/lib/MC/MCParser/ELFAsmParser.cpp @@ -47,12 +47,17 @@ public: AddDirectiveHandler<&ELFAsmParser::ParseSectionDirectiveRoData>(".rodata"); AddDirectiveHandler<&ELFAsmParser::ParseSectionDirectiveTData>(".tdata"); AddDirectiveHandler<&ELFAsmParser::ParseSectionDirectiveTBSS>(".tbss"); - AddDirectiveHandler<&ELFAsmParser::ParseSectionDirectiveDataRel>(".data.rel"); - AddDirectiveHandler<&ELFAsmParser::ParseSectionDirectiveDataRelRo>(".data.rel.ro"); - AddDirectiveHandler<&ELFAsmParser::ParseSectionDirectiveDataRelRoLocal>(".data.rel.ro.local"); - AddDirectiveHandler<&ELFAsmParser::ParseSectionDirectiveEhFrame>(".eh_frame"); + AddDirectiveHandler< + &ELFAsmParser::ParseSectionDirectiveDataRel>(".data.rel"); + AddDirectiveHandler< + &ELFAsmParser::ParseSectionDirectiveDataRelRo>(".data.rel.ro"); + AddDirectiveHandler< + &ELFAsmParser::ParseSectionDirectiveDataRelRoLocal>(".data.rel.ro.local"); + AddDirectiveHandler< + &ELFAsmParser::ParseSectionDirectiveEhFrame>(".eh_frame"); AddDirectiveHandler<&ELFAsmParser::ParseDirectiveSection>(".section"); - AddDirectiveHandler<&ELFAsmParser::ParseDirectivePushSection>(".pushsection"); + AddDirectiveHandler< + &ELFAsmParser::ParseDirectivePushSection>(".pushsection"); AddDirectiveHandler<&ELFAsmParser::ParseDirectivePopSection>(".popsection"); AddDirectiveHandler<&ELFAsmParser::ParseDirectiveSize>(".size"); AddDirectiveHandler<&ELFAsmParser::ParseDirectivePrevious>(".previous"); @@ -60,6 +65,14 @@ public: AddDirectiveHandler<&ELFAsmParser::ParseDirectiveIdent>(".ident"); AddDirectiveHandler<&ELFAsmParser::ParseDirectiveSymver>(".symver"); AddDirectiveHandler<&ELFAsmParser::ParseDirectiveWeakref>(".weakref"); + AddDirectiveHandler<&ELFAsmParser::ParseDirectiveSymbolAttribute>(".weak"); + AddDirectiveHandler<&ELFAsmParser::ParseDirectiveSymbolAttribute>(".local"); + AddDirectiveHandler< + &ELFAsmParser::ParseDirectiveSymbolAttribute>(".protected"); + AddDirectiveHandler< + &ELFAsmParser::ParseDirectiveSymbolAttribute>(".internal"); + AddDirectiveHandler< + &ELFAsmParser::ParseDirectiveSymbolAttribute>(".hidden"); } // FIXME: Part of this logic is duplicated in the MCELFStreamer. What is @@ -129,6 +142,7 @@ public: bool ParseDirectiveIdent(StringRef, SMLoc); bool ParseDirectiveSymver(StringRef, SMLoc); bool ParseDirectiveWeakref(StringRef, SMLoc); + bool ParseDirectiveSymbolAttribute(StringRef, SMLoc); private: bool ParseSectionName(StringRef &SectionName); @@ -136,6 +150,41 @@ private: } +/// ParseDirectiveSymbolAttribute +/// ::= { ".local", ".weak", ... } [ identifier ( , identifier )* ] +bool ELFAsmParser::ParseDirectiveSymbolAttribute(StringRef Directive, SMLoc) { + MCSymbolAttr Attr = StringSwitch<MCSymbolAttr>(Directive) + .Case(".weak", MCSA_Weak) + .Case(".local", MCSA_Local) + .Case(".hidden", MCSA_Hidden) + .Case(".internal", MCSA_Internal) + .Case(".protected", MCSA_Protected) + .Default(MCSA_Invalid); + assert(Attr != MCSA_Invalid && "unexpected symbol attribute directive!"); + if (getLexer().isNot(AsmToken::EndOfStatement)) { + for (;;) { + StringRef Name; + + if (getParser().ParseIdentifier(Name)) + return TokError("expected identifier in directive"); + + MCSymbol *Sym = getContext().GetOrCreateSymbol(Name); + + getStreamer().EmitSymbolAttribute(Sym, Attr); + + if (getLexer().is(AsmToken::EndOfStatement)) + break; + + if (getLexer().isNot(AsmToken::Comma)) + return TokError("unexpected token in directive"); + Lex(); + } + } + + Lex(); + return false; +} + bool ELFAsmParser::ParseSectionSwitch(StringRef Section, unsigned Type, unsigned Flags, SectionKind Kind) { if (getLexer().isNot(AsmToken::EndOfStatement)) diff --git a/contrib/llvm/lib/MC/MCParser/MCAsmParser.cpp b/contrib/llvm/lib/MC/MCParser/MCAsmParser.cpp index 4030e41..5239ec7 100644 --- a/contrib/llvm/lib/MC/MCParser/MCAsmParser.cpp +++ b/contrib/llvm/lib/MC/MCParser/MCAsmParser.cpp @@ -8,13 +8,13 @@ //===----------------------------------------------------------------------===// #include "llvm/MC/MCParser/MCAsmParser.h" -#include "llvm/ADT/Twine.h" #include "llvm/MC/MCParser/MCAsmLexer.h" #include "llvm/MC/MCParser/MCParsedAsmOperand.h" +#include "llvm/MC/MCTargetAsmParser.h" #include "llvm/Support/SourceMgr.h" #include "llvm/Support/raw_ostream.h" #include "llvm/Support/Debug.h" -#include "llvm/Target/TargetAsmParser.h" +#include "llvm/ADT/Twine.h" using namespace llvm; MCAsmParser::MCAsmParser() : TargetParser(0), ShowParsedOperands(0) { @@ -23,7 +23,7 @@ MCAsmParser::MCAsmParser() : TargetParser(0), ShowParsedOperands(0) { MCAsmParser::~MCAsmParser() { } -void MCAsmParser::setTargetParser(TargetAsmParser &P) { +void MCAsmParser::setTargetParser(MCTargetAsmParser &P) { assert(!TargetParser && "Target parser is already initialized!"); TargetParser = &P; TargetParser->Initialize(*this); diff --git a/contrib/llvm/lib/MC/MCParser/TargetAsmParser.cpp b/contrib/llvm/lib/MC/MCParser/MCTargetAsmParser.cpp index 512f6b0..6fb1ba4 100644 --- a/contrib/llvm/lib/MC/MCParser/TargetAsmParser.cpp +++ b/contrib/llvm/lib/MC/MCParser/MCTargetAsmParser.cpp @@ -1,4 +1,4 @@ -//===-- TargetAsmParser.cpp - Target Assembly Parser -----------------------==// +//===-- MCTargetAsmParser.cpp - Target Assembly Parser ---------------------==// // // The LLVM Compiler Infrastructure // @@ -7,13 +7,13 @@ // //===----------------------------------------------------------------------===// -#include "llvm/Target/TargetAsmParser.h" +#include "llvm/MC/MCTargetAsmParser.h" using namespace llvm; -TargetAsmParser::TargetAsmParser() +MCTargetAsmParser::MCTargetAsmParser() : AvailableFeatures(0) { } -TargetAsmParser::~TargetAsmParser() { +MCTargetAsmParser::~MCTargetAsmParser() { } |