diff options
Diffstat (limited to 'llvm/lib/MC/MCParser/AsmParser.cpp')
-rw-r--r-- | llvm/lib/MC/MCParser/AsmParser.cpp | 169 |
1 files changed, 125 insertions, 44 deletions
diff --git a/llvm/lib/MC/MCParser/AsmParser.cpp b/llvm/lib/MC/MCParser/AsmParser.cpp index 43c88c96860..a75818e99cd 100644 --- a/llvm/lib/MC/MCParser/AsmParser.cpp +++ b/llvm/lib/MC/MCParser/AsmParser.cpp @@ -378,6 +378,9 @@ private: bool parseRegisterOrRegisterNumber(int64_t &Register, SMLoc DirectiveLoc); + bool parseCVFunctionId(int64_t &FunctionId, StringRef DirectiveName); + bool parseCVFileId(int64_t &FileId, StringRef DirectiveName); + // Generic (target and platform independent) directive parsing. enum DirectiveKind { DK_NO_DIRECTIVE, // Placeholder @@ -397,8 +400,9 @@ private: DK_IFNB, DK_IFC, DK_IFEQS, DK_IFNC, DK_IFNES, DK_IFDEF, DK_IFNDEF, DK_IFNOTDEF, DK_ELSEIF, DK_ELSE, DK_ENDIF, DK_SPACE, DK_SKIP, DK_FILE, DK_LINE, DK_LOC, DK_STABS, - DK_CV_FILE, DK_CV_LOC, DK_CV_LINETABLE, DK_CV_INLINE_LINETABLE, - DK_CV_DEF_RANGE, DK_CV_STRINGTABLE, DK_CV_FILECHECKSUMS, + DK_CV_FILE, DK_CV_FUNC_ID, DK_CV_INLINE_SITE_ID, DK_CV_LOC, DK_CV_LINETABLE, + DK_CV_INLINE_LINETABLE, DK_CV_DEF_RANGE, DK_CV_STRINGTABLE, + DK_CV_FILECHECKSUMS, DK_CFI_SECTIONS, DK_CFI_STARTPROC, DK_CFI_ENDPROC, DK_CFI_DEF_CFA, DK_CFI_DEF_CFA_OFFSET, DK_CFI_ADJUST_CFA_OFFSET, DK_CFI_DEF_CFA_REGISTER, DK_CFI_OFFSET, DK_CFI_REL_OFFSET, DK_CFI_PERSONALITY, DK_CFI_LSDA, @@ -436,9 +440,11 @@ private: bool parseDirectiveLoc(); bool parseDirectiveStabs(); - // ".cv_file", ".cv_loc", ".cv_linetable", "cv_inline_linetable", - // ".cv_def_range" + // ".cv_file", ".cv_func_id", ".cv_inline_site_id", ".cv_loc", ".cv_linetable", + // ".cv_inline_linetable", ".cv_def_range" bool parseDirectiveCVFile(); + bool parseDirectiveCVFuncId(); + bool parseDirectiveCVInlineSiteId(); bool parseDirectiveCVLoc(); bool parseDirectiveCVLinetable(); bool parseDirectiveCVInlineLinetable(); @@ -1790,6 +1796,10 @@ bool AsmParser::parseStatement(ParseStatementInfo &Info, return parseDirectiveStabs(); case DK_CV_FILE: return parseDirectiveCVFile(); + case DK_CV_FUNC_ID: + return parseDirectiveCVFuncId(); + case DK_CV_INLINE_SITE_ID: + return parseDirectiveCVInlineSiteId(); case DK_CV_LOC: return parseDirectiveCVLoc(); case DK_CV_LINETABLE: @@ -3240,6 +3250,107 @@ bool AsmParser::parseDirectiveCVFile() { return false; } +bool AsmParser::parseCVFunctionId(int64_t &FunctionId, + StringRef DirectiveName) { + SMLoc Loc; + return parseTokenLoc(Loc) || + parseIntToken(FunctionId, "expected function id in '" + DirectiveName + + "' directive") || + check(FunctionId < 0 || FunctionId >= UINT_MAX, Loc, + "expected function id within range [0, UINT_MAX)"); +} + +bool AsmParser::parseCVFileId(int64_t &FileNumber, StringRef DirectiveName) { + SMLoc Loc; + return parseTokenLoc(Loc) || + parseIntToken(FileNumber, "expected integer in '" + DirectiveName + + "' directive") || + check(FileNumber < 1, Loc, "file number less than one in '" + + DirectiveName + "' directive") || + check(!getCVContext().isValidFileNumber(FileNumber), Loc, + "unassigned file number in '" + DirectiveName + "' directive"); +} + +/// parseDirectiveCVFuncId +/// ::= .cv_func_id FunctionId +/// +/// Introduces a function ID that can be used with .cv_loc. +bool AsmParser::parseDirectiveCVFuncId() { + SMLoc FunctionIdLoc = getTok().getLoc(); + int64_t FunctionId; + + if (parseCVFunctionId(FunctionId, ".cv_func_id") || + parseToken(AsmToken::EndOfStatement, + "unexpected token in '.cv_func_id' directive")) + return true; + + if (!getStreamer().EmitCVFuncIdDirective(FunctionId)) + Error(FunctionIdLoc, "function id already allocated"); + + return false; +} + +/// parseDirectiveCVInlineSiteId +/// ::= .cv_inline_site_id FunctionId +/// "within" IAFunc +/// "inlined_at" IAFile IALine [IACol] +/// +/// Introduces a function ID that can be used with .cv_loc. Includes "inlined +/// at" source location information for use in the line table of the caller, +/// whether the caller is a real function or another inlined call site. +bool AsmParser::parseDirectiveCVInlineSiteId() { + SMLoc FunctionIdLoc = getTok().getLoc(); + int64_t FunctionId; + int64_t IAFunc; + int64_t IAFile; + int64_t IALine; + int64_t IACol = 0; + + // FunctionId + if (parseCVFunctionId(FunctionId, ".cv_inline_site_id")) + return true; + + // "within" + if (check((getLexer().isNot(AsmToken::Identifier) || + getTok().getIdentifier() != "within"), + "expected 'within' identifier in '.cv_inline_site_id' directive")) + return true; + Lex(); + + // IAFunc + if (parseCVFunctionId(IAFunc, ".cv_inline_site_id")) + return true; + + // "inlined_at" + if (check((getLexer().isNot(AsmToken::Identifier) || + getTok().getIdentifier() != "inlined_at"), + "expected 'inlined_at' identifier in '.cv_inline_site_id' " + "directive") ) + return true; + Lex(); + + // IAFile IALine + if (parseCVFileId(IAFile, ".cv_inline_site_id") || + parseIntToken(IALine, "expected line number after 'inlined_at'")) + return true; + + // [IACol] + if (getLexer().is(AsmToken::Integer)) { + IACol = getTok().getIntVal(); + Lex(); + } + + if (parseToken(AsmToken::EndOfStatement, + "unexpected token in '.cv_inline_site_id' directive")) + return true; + + if (!getStreamer().EmitCVInlineSiteIdDirective(FunctionId, IAFunc, IAFile, + IALine, IACol, FunctionIdLoc)) + Error(FunctionIdLoc, "function id already allocated"); + + return false; +} + /// parseDirectiveCVLoc /// ::= .cv_loc FunctionId FileNumber [LineNumber] [ColumnPos] [prologue_end] /// [is_stmt VALUE] @@ -3248,18 +3359,11 @@ bool AsmParser::parseDirectiveCVFile() { /// third number is a column position (zero if not specified). The remaining /// optional items are .loc sub-directives. bool AsmParser::parseDirectiveCVLoc() { + SMLoc DirectiveLoc = getTok().getLoc(); SMLoc Loc; int64_t FunctionId, FileNumber; - if (parseTokenLoc(Loc) || - parseIntToken(FunctionId, "unexpected token in '.cv_loc' directive") || - check(FunctionId < 0, Loc, - "function id less than zero in '.cv_loc' directive") || - parseTokenLoc(Loc) || - parseIntToken(FileNumber, "expected integer in '.cv_loc' directive") || - check(FileNumber < 1, Loc, - "file number less than one in '.cv_loc' directive") || - check(!getCVContext().isValidFileNumber(FileNumber), Loc, - "unassigned file number in '.cv_loc' directive")) + if (parseCVFunctionId(FunctionId, ".cv_loc") || + parseCVFileId(FileNumber, ".cv_loc")) return true; int64_t LineNumber = 0; @@ -3307,7 +3411,8 @@ bool AsmParser::parseDirectiveCVLoc() { Lex(); getStreamer().EmitCVLocDirective(FunctionId, FileNumber, LineNumber, - ColumnPos, PrologueEnd, IsStmt, StringRef()); + ColumnPos, PrologueEnd, IsStmt, StringRef(), + DirectiveLoc); return false; } @@ -3317,10 +3422,7 @@ bool AsmParser::parseDirectiveCVLinetable() { int64_t FunctionId; StringRef FnStartName, FnEndName; SMLoc Loc = getTok().getLoc(); - if (parseIntToken(FunctionId, - "expected Integer in '.cv_linetable' directive") || - check(FunctionId < 0, Loc, - "function id less than zero in '.cv_linetable' directive") || + if (parseCVFunctionId(FunctionId, ".cv_linetable") || parseToken(AsmToken::Comma, "unexpected token in '.cv_linetable' directive") || parseTokenLoc(Loc) || check(parseIdentifier(FnStartName), Loc, @@ -3340,16 +3442,11 @@ bool AsmParser::parseDirectiveCVLinetable() { /// parseDirectiveCVInlineLinetable /// ::= .cv_inline_linetable PrimaryFunctionId FileId LineNum FnStart FnEnd -/// ("contains" SecondaryFunctionId+)? bool AsmParser::parseDirectiveCVInlineLinetable() { int64_t PrimaryFunctionId, SourceFileId, SourceLineNum; StringRef FnStartName, FnEndName; SMLoc Loc = getTok().getLoc(); - if (parseIntToken( - PrimaryFunctionId, - "expected PrimaryFunctionId in '.cv_inline_linetable' directive") || - check(PrimaryFunctionId < 0, Loc, - "function id less than zero in '.cv_inline_linetable' directive") || + if (parseCVFunctionId(PrimaryFunctionId, ".cv_inline_linetable") || parseTokenLoc(Loc) || parseIntToken( SourceFileId, @@ -3368,24 +3465,6 @@ bool AsmParser::parseDirectiveCVInlineLinetable() { "expected identifier in directive")) return true; - SmallVector<unsigned, 8> SecondaryFunctionIds; - if (getLexer().is(AsmToken::Identifier)) { - if (getTok().getIdentifier() != "contains") - return TokError( - "unexpected identifier in '.cv_inline_linetable' directive"); - Lex(); - - while (getLexer().isNot(AsmToken::EndOfStatement)) { - int64_t SecondaryFunctionId = getTok().getIntVal(); - if (SecondaryFunctionId < 0) - return TokError( - "function id less than zero in '.cv_inline_linetable' directive"); - Lex(); - - SecondaryFunctionIds.push_back(SecondaryFunctionId); - } - } - if (parseToken(AsmToken::EndOfStatement, "Expected End of Statement")) return true; @@ -3393,7 +3472,7 @@ bool AsmParser::parseDirectiveCVInlineLinetable() { MCSymbol *FnEndSym = getContext().getOrCreateSymbol(FnEndName); getStreamer().EmitCVInlineLinetableDirective(PrimaryFunctionId, SourceFileId, SourceLineNum, FnStartSym, - FnEndSym, SecondaryFunctionIds); + FnEndSym); return false; } @@ -4701,9 +4780,11 @@ void AsmParser::initializeDirectiveKindMap() { DirectiveKindMap[".loc"] = DK_LOC; DirectiveKindMap[".stabs"] = DK_STABS; DirectiveKindMap[".cv_file"] = DK_CV_FILE; + DirectiveKindMap[".cv_func_id"] = DK_CV_FUNC_ID; DirectiveKindMap[".cv_loc"] = DK_CV_LOC; DirectiveKindMap[".cv_linetable"] = DK_CV_LINETABLE; DirectiveKindMap[".cv_inline_linetable"] = DK_CV_INLINE_LINETABLE; + DirectiveKindMap[".cv_inline_site_id"] = DK_CV_INLINE_SITE_ID; DirectiveKindMap[".cv_def_range"] = DK_CV_DEF_RANGE; DirectiveKindMap[".cv_stringtable"] = DK_CV_STRINGTABLE; DirectiveKindMap[".cv_filechecksums"] = DK_CV_FILECHECKSUMS; |