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Implement cfi_restore. Patch by Brian Anderson!

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147356 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2011-12-29 21:43:03 +00:00
parent c25680f728
commit ed23bdb65f
6 changed files with 80 additions and 2 deletions
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16
lib/MC/MCParser/AsmParser.cpp
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@@ -301,6 +301,8 @@ public:
&GenericAsmParser::ParseDirectiveCFIRestoreState>(".cfi_restore_state");
AddDirectiveHandler<
&GenericAsmParser::ParseDirectiveCFISameValue>(".cfi_same_value");
AddDirectiveHandler<
&GenericAsmParser::ParseDirectiveCFIRestore>(".cfi_restore");
AddDirectiveHandler<
&GenericAsmParser::ParseDirectiveCFIEscape>(".cfi_escape");
@@ -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,