Add AsmParser support for the ELF .previous directive. Patch by Roman Divacky.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112849 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCParser/ELFAsmParser.cpp b/lib/MC/MCParser/ELFAsmParser.cpp
index b0bc5c6..f982fda 100644
--- a/lib/MC/MCParser/ELFAsmParser.cpp
+++ b/lib/MC/MCParser/ELFAsmParser.cpp
@@ -50,6 +50,7 @@
AddDirectiveHandler<&ELFAsmParser::ParseDirectiveSize>(".size");
AddDirectiveHandler<&ELFAsmParser::ParseDirectiveLEB128>(".sleb128");
AddDirectiveHandler<&ELFAsmParser::ParseDirectiveLEB128>(".uleb128");
+ AddDirectiveHandler<&ELFAsmParser::ParseDirectivePrevious>(".previous");
}
bool ParseSectionDirectiveData(StringRef, SMLoc) {
@@ -111,6 +112,7 @@
bool ParseDirectiveLEB128(StringRef, SMLoc);
bool ParseDirectiveSection(StringRef, SMLoc);
bool ParseDirectiveSize(StringRef, SMLoc);
+ bool ParseDirectivePrevious(StringRef, SMLoc);
};
}
@@ -272,6 +274,14 @@
return TokError("LEB128 not supported yet");
}
+bool ELFAsmParser::ParseDirectivePrevious(StringRef DirName, SMLoc) {
+ const MCSection *PreviousSection = getStreamer().getPreviousSection();
+ if (PreviousSection != NULL)
+ getStreamer().SwitchSection(PreviousSection);
+
+ return false;
+}
+
namespace llvm {
MCAsmParserExtension *createELFAsmParser() {