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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2011-12-29 21:43:03 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2011-12-29 21:43:03 +0000 |
| commit | 4ea99816eff6e2799ab20eec17630c4ac534db5f (patch) | |
| tree | 402cef02dc9b6b368585089028048ef5d6b2afd8 /llvm/lib/MC/MCParser/AsmParser.cpp | |
| parent | 6b751dc2c680cf79db16bc2a3a5bfc10d910ee22 (diff) | |
| download | bcm5719-llvm-4ea99816eff6e2799ab20eec17630c4ac534db5f.tar.gz bcm5719-llvm-4ea99816eff6e2799ab20eec17630c4ac534db5f.zip | |
Implement cfi_restore. Patch by Brian Anderson!
llvm-svn: 147356
Diffstat (limited to 'llvm/lib/MC/MCParser/AsmParser.cpp')
| -rw-r--r-- | llvm/lib/MC/MCParser/AsmParser.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/llvm/lib/MC/MCParser/AsmParser.cpp b/llvm/lib/MC/MCParser/AsmParser.cpp index 2ccea786c79..5a69bea2fe3 100644 --- a/llvm/lib/MC/MCParser/AsmParser.cpp +++ b/llvm/lib/MC/MCParser/AsmParser.cpp @@ -302,6 +302,8 @@ public: AddDirectiveHandler< &GenericAsmParser::ParseDirectiveCFISameValue>(".cfi_same_value"); AddDirectiveHandler< + &GenericAsmParser::ParseDirectiveCFIRestore>(".cfi_restore"); + AddDirectiveHandler< &GenericAsmParser::ParseDirectiveCFIEscape>(".cfi_escape"); // Macro directives. @@ -336,6 +338,7 @@ public: bool ParseDirectiveCFIRememberState(StringRef, SMLoc DirectiveLoc); bool ParseDirectiveCFIRestoreState(StringRef, SMLoc DirectiveLoc); bool ParseDirectiveCFISameValue(StringRef, SMLoc DirectiveLoc); + bool ParseDirectiveCFIRestore(StringRef, SMLoc DirectiveLoc); bool ParseDirectiveCFIEscape(StringRef, SMLoc DirectiveLoc); bool ParseDirectiveMacrosOnOff(StringRef, SMLoc DirectiveLoc); @@ -2815,6 +2818,19 @@ bool GenericAsmParser::ParseDirectiveCFISameValue(StringRef IDVal, return false; } +/// ParseDirectiveCFIRestore +/// ::= .cfi_restore register +bool GenericAsmParser::ParseDirectiveCFIRestore(StringRef IDVal, + SMLoc DirectiveLoc) { + int64_t Register = 0; + if (ParseRegisterOrRegisterNumber(Register, DirectiveLoc)) + return true; + + getStreamer().EmitCFIRestore(Register); + + return false; +} + /// ParseDirectiveCFIEscape /// ::= .cfi_escape expression[,...] bool GenericAsmParser::ParseDirectiveCFIEscape(StringRef IDVal, |
