diff options
Diffstat (limited to 'llvm/lib/MC/MCParser/AsmParser.cpp')
| -rw-r--r-- | llvm/lib/MC/MCParser/AsmParser.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/llvm/lib/MC/MCParser/AsmParser.cpp b/llvm/lib/MC/MCParser/AsmParser.cpp index 76c309e0276..d8a166cc713 100644 --- a/llvm/lib/MC/MCParser/AsmParser.cpp +++ b/llvm/lib/MC/MCParser/AsmParser.cpp @@ -244,6 +244,8 @@ public: ".cfi_startproc"); AddDirectiveHandler<&GenericAsmParser::ParseDirectiveCFIEndProc>( ".cfi_endproc"); + AddDirectiveHandler<&GenericAsmParser::ParseDirectiveCFIDefCfa>( + ".cfi_def_cfa"); AddDirectiveHandler<&GenericAsmParser::ParseDirectiveCFIDefCfaOffset>( ".cfi_def_cfa_offset"); AddDirectiveHandler<&GenericAsmParser::ParseDirectiveCFIDefCfaRegister>( @@ -278,6 +280,7 @@ public: bool ParseDirectiveStabs(StringRef, SMLoc DirectiveLoc); bool ParseDirectiveCFIStartProc(StringRef, SMLoc DirectiveLoc); bool ParseDirectiveCFIEndProc(StringRef, SMLoc DirectiveLoc); + bool ParseDirectiveCFIDefCfa(StringRef, SMLoc DirectiveLoc); bool ParseDirectiveCFIDefCfaOffset(StringRef, SMLoc DirectiveLoc); bool ParseDirectiveCFIDefCfaRegister(StringRef, SMLoc DirectiveLoc); bool ParseDirectiveCFIOffset(StringRef, SMLoc DirectiveLoc); @@ -2172,6 +2175,25 @@ bool GenericAsmParser::ParseDirectiveCFIEndProc(StringRef, SMLoc DirectiveLoc) { return getStreamer().EmitCFIEndProc(); } +/// ParseDirectiveCFIDefCfa +/// ::= .cfi_def_cfa register, offset +bool GenericAsmParser::ParseDirectiveCFIDefCfa(StringRef, + SMLoc DirectiveLoc) { + int64_t Register = 0; + if (getParser().ParseAbsoluteExpression(Register)) + return true; + + if (getLexer().isNot(AsmToken::Comma)) + return TokError("unexpected token in directive"); + Lex(); + + int64_t Offset = 0; + if (getParser().ParseAbsoluteExpression(Offset)) + return true; + + return getStreamer().EmitCFIDefCfa(Register, Offset); +} + /// ParseDirectiveCFIDefCfaOffset /// ::= .cfi_def_cfa_offset offset bool GenericAsmParser::ParseDirectiveCFIDefCfaOffset(StringRef, |
