[Mips] TargetStreamer Support for .abicalls and .set pic0.
This patch adds .abicalls and .set pic0 support which
affects the ELF ABI and its flags. In addition the patch uses
a common interface for both the MipsTargetSteamer and
MipsObjectStreamer that both the integrated and standalone
assemblers will use for the output for these directives.
llvm-svn: 198646
diff --git a/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp b/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
index cae3999..8bbfcd9 100644
--- a/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
+++ b/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
@@ -196,6 +196,7 @@
bool parseDirectiveSet();
bool parseDirectiveMipsHackStocg();
bool parseDirectiveMipsHackELFFlags();
+ bool parseDirectiveOption();
bool parseSetAtDirective();
bool parseSetNoAtDirective();
@@ -2468,6 +2469,35 @@
return false;
}
+bool MipsAsmParser::parseDirectiveOption() {
+ // Get the option token.
+ AsmToken Tok = Parser.getTok();
+ // At the moment only identifiers are supported.
+ if (Tok.isNot(AsmToken::Identifier)) {
+ Error(Parser.getTok().getLoc(), "unexpected token in .option directive");
+ Parser.eatToEndOfStatement();
+ return false;
+ }
+
+ StringRef Option = Tok.getIdentifier();
+
+ if (Option == "pic0") {
+ getTargetStreamer().emitDirectiveOptionPic0();
+ Parser.Lex();
+ if (Parser.getTok().isNot(AsmToken::EndOfStatement)) {
+ Error(Parser.getTok().getLoc(),
+ "unexpected token in .option pic0 directive");
+ Parser.eatToEndOfStatement();
+ }
+ return false;
+ }
+
+ // Unknown option.
+ Warning(Parser.getTok().getLoc(), "unknown option in .option directive");
+ Parser.eatToEndOfStatement();
+ return false;
+}
+
bool MipsAsmParser::ParseDirective(AsmToken DirectiveID) {
StringRef IDVal = DirectiveID.getString();
@@ -2523,6 +2553,19 @@
if (IDVal == ".mips_hack_elf_flags")
return parseDirectiveMipsHackELFFlags();
+ if (IDVal == ".option")
+ return parseDirectiveOption();
+
+ if (IDVal == ".abicalls") {
+ getTargetStreamer().emitDirectiveAbiCalls();
+ if (Parser.getTok().isNot(AsmToken::EndOfStatement)) {
+ Error(Parser.getTok().getLoc(), "unexpected token in directive");
+ // Clear line
+ Parser.eatToEndOfStatement();
+ }
+ return false;
+ }
+
return true;
}