Add support for parsing .size directives for ELF.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108606 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCParser/ELFAsmParser.cpp b/lib/MC/MCParser/ELFAsmParser.cpp
index 7a54dd3..f870318 100644
--- a/lib/MC/MCParser/ELFAsmParser.cpp
+++ b/lib/MC/MCParser/ELFAsmParser.cpp
@@ -31,6 +31,8 @@
&ELFAsmParser::ParseSectionDirectiveData));
Parser.AddDirectiveHandler(this, ".text", MCAsmParser::DirectiveHandler(
&ELFAsmParser::ParseSectionDirectiveText));
+ Parser.AddDirectiveHandler(this, ".size", MCAsmParser::DirectiveHandler(
+ &ELFAsmParser::ParseSizeDirective));
}
bool ParseSectionDirectiveData(StringRef, SMLoc) {
@@ -43,6 +45,7 @@
MCSectionELF::SHF_EXECINSTR |
MCSectionELF::SHF_ALLOC, SectionKind::getText());
}
+ bool ParseSizeDirective(StringRef, SMLoc);
};
}
@@ -59,6 +62,27 @@
return false;
}
+bool ELFAsmParser::ParseSizeDirective(StringRef, SMLoc) {
+ StringRef Name;
+ if (getParser().ParseIdentifier(Name))
+ return TokError("expected identifier in directive");
+ MCSymbol *Sym = getContext().GetOrCreateSymbol(Name);;
+
+ if (getLexer().isNot(AsmToken::Comma))
+ return TokError("unexpected token in directive");
+ Lex();
+
+ const MCExpr *Expr;
+ if (getParser().ParseExpression(Expr))
+ return true;
+
+ if (getLexer().isNot(AsmToken::EndOfStatement))
+ return TokError("unexpected token in directive");
+
+ getStreamer().EmitELFSize(Sym, Expr);
+ return false;
+}
+
namespace llvm {
MCAsmParserExtension *createELFAsmParser() {