//===----------------------------------------------------------------------===//
#include "llvm/MC/MCParser/MCAsmParserExtension.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/StringSwitch.h"
+#include "llvm/ADT/Twine.h"
#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCParser/MCAsmLexer.h"
+#include "llvm/MC/MCParser/MCAsmParser.h"
#include "llvm/MC/MCSectionMachO.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
-#include "llvm/MC/MCParser/MCAsmLexer.h"
-#include "llvm/MC/MCParser/MCAsmParser.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/Twine.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/SourceMgr.h"
using namespace llvm;
/// \brief Implementation of directive handling which is shared across all
/// Darwin targets.
class DarwinAsmParser : public MCAsmParserExtension {
- template<bool (DarwinAsmParser::*Handler)(StringRef, SMLoc)>
- void AddDirectiveHandler(StringRef Directive) {
- getParser().AddDirectiveHandler(this, Directive,
- HandleDirective<DarwinAsmParser, Handler>);
+ template<bool (DarwinAsmParser::*HandlerMethod)(StringRef, SMLoc)>
+ void addDirectiveHandler(StringRef Directive) {
+ MCAsmParser::ExtensionDirectiveHandler Handler = std::make_pair(
+ this, HandleDirective<DarwinAsmParser, HandlerMethod>);
+ getParser().addDirectiveHandler(Directive, Handler);
}
bool ParseSectionSwitch(const char *Segment, const char *Section,
// Call the base implementation.
this->MCAsmParserExtension::Initialize(Parser);
- AddDirectiveHandler<&DarwinAsmParser::ParseDirectiveDesc>(".desc");
- AddDirectiveHandler<&DarwinAsmParser::ParseDirectiveLsym>(".lsym");
- AddDirectiveHandler<&DarwinAsmParser::ParseDirectiveSubsectionsViaSymbols>(
+ addDirectiveHandler<&DarwinAsmParser::ParseDirectiveDesc>(".desc");
+ addDirectiveHandler<&DarwinAsmParser::ParseDirectiveLsym>(".lsym");
+ addDirectiveHandler<&DarwinAsmParser::ParseDirectiveSubsectionsViaSymbols>(
".subsections_via_symbols");
- AddDirectiveHandler<&DarwinAsmParser::ParseDirectiveDumpOrLoad>(".dump");
- AddDirectiveHandler<&DarwinAsmParser::ParseDirectiveDumpOrLoad>(".load");
- AddDirectiveHandler<&DarwinAsmParser::ParseDirectiveSection>(".section");
- AddDirectiveHandler<&DarwinAsmParser::ParseDirectiveSecureLogUnique>(
+ addDirectiveHandler<&DarwinAsmParser::ParseDirectiveDumpOrLoad>(".dump");
+ addDirectiveHandler<&DarwinAsmParser::ParseDirectiveDumpOrLoad>(".load");
+ addDirectiveHandler<&DarwinAsmParser::ParseDirectiveSection>(".section");
+ addDirectiveHandler<&DarwinAsmParser::ParseDirectivePushSection>(
+ ".pushsection");
+ addDirectiveHandler<&DarwinAsmParser::ParseDirectivePopSection>(
+ ".popsection");
+ addDirectiveHandler<&DarwinAsmParser::ParseDirectivePrevious>(".previous");
+ addDirectiveHandler<&DarwinAsmParser::ParseDirectiveSecureLogUnique>(
".secure_log_unique");
- AddDirectiveHandler<&DarwinAsmParser::ParseDirectiveSecureLogReset>(
+ addDirectiveHandler<&DarwinAsmParser::ParseDirectiveSecureLogReset>(
".secure_log_reset");
- AddDirectiveHandler<&DarwinAsmParser::ParseDirectiveTBSS>(".tbss");
- AddDirectiveHandler<&DarwinAsmParser::ParseDirectiveZerofill>(".zerofill");
+ addDirectiveHandler<&DarwinAsmParser::ParseDirectiveTBSS>(".tbss");
+ addDirectiveHandler<&DarwinAsmParser::ParseDirectiveZerofill>(".zerofill");
+
+ addDirectiveHandler<&DarwinAsmParser::ParseDirectiveDataRegion>(
+ ".data_region");
+ addDirectiveHandler<&DarwinAsmParser::ParseDirectiveDataRegionEnd>(
+ ".end_data_region");
// Special section directives.
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveConst>(".const");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveConstData>(".const_data");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveConstructor>(".constructor");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveCString>(".cstring");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveData>(".data");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveDestructor>(".destructor");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveDyld>(".dyld");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveFVMLibInit0>(".fvmlib_init0");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveFVMLibInit1>(".fvmlib_init1");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveLazySymbolPointers>(".lazy_symbol_pointer");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveLiteral16>(".literal16");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveLiteral4>(".literal4");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveLiteral8>(".literal8");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveModInitFunc>(".mod_init_func");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveModTermFunc>(".mod_term_func");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveNonLazySymbolPointers>(".non_lazy_symbol_pointer");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCCatClsMeth>(".objc_cat_cls_meth");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCCatInstMeth>(".objc_cat_inst_meth");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCCategory>(".objc_category");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCClass>(".objc_class");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCClassNames>(".objc_class_names");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCClassVars>(".objc_class_vars");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCClsMeth>(".objc_cls_meth");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCClsRefs>(".objc_cls_refs");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCInstMeth>(".objc_inst_meth");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCInstanceVars>(".objc_instance_vars");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCMessageRefs>(".objc_message_refs");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCMetaClass>(".objc_meta_class");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCMethVarNames>(".objc_meth_var_names");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCMethVarTypes>(".objc_meth_var_types");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCModuleInfo>(".objc_module_info");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCProtocol>(".objc_protocol");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCSelectorStrs>(".objc_selector_strs");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCStringObject>(".objc_string_object");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCSymbols>(".objc_symbols");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectivePICSymbolStub>(".picsymbol_stub");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveStaticConst>(".static_const");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveStaticData>(".static_data");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveSymbolStub>(".symbol_stub");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveTData>(".tdata");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveText>(".text");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveThreadInitFunc>(".thread_init_func");
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveTLV>(".tlv");
-
- AddDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveIdent>(".ident");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveConst>(".const");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveConstData>(
+ ".const_data");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveConstructor>(
+ ".constructor");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveCString>(
+ ".cstring");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveData>(".data");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveDestructor>(
+ ".destructor");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveDyld>(".dyld");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveFVMLibInit0>(
+ ".fvmlib_init0");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveFVMLibInit1>(
+ ".fvmlib_init1");
+ addDirectiveHandler<
+ &DarwinAsmParser::ParseSectionDirectiveLazySymbolPointers>(
+ ".lazy_symbol_pointer");
+ addDirectiveHandler<&DarwinAsmParser::ParseDirectiveLinkerOption>(
+ ".linker_option");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveLiteral16>(
+ ".literal16");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveLiteral4>(
+ ".literal4");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveLiteral8>(
+ ".literal8");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveModInitFunc>(
+ ".mod_init_func");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveModTermFunc>(
+ ".mod_term_func");
+ addDirectiveHandler<
+ &DarwinAsmParser::ParseSectionDirectiveNonLazySymbolPointers>(
+ ".non_lazy_symbol_pointer");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCCatClsMeth>(
+ ".objc_cat_cls_meth");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCCatInstMeth>(
+ ".objc_cat_inst_meth");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCCategory>(
+ ".objc_category");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCClass>(
+ ".objc_class");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCClassNames>(
+ ".objc_class_names");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCClassVars>(
+ ".objc_class_vars");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCClsMeth>(
+ ".objc_cls_meth");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCClsRefs>(
+ ".objc_cls_refs");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCInstMeth>(
+ ".objc_inst_meth");
+ addDirectiveHandler<
+ &DarwinAsmParser::ParseSectionDirectiveObjCInstanceVars>(
+ ".objc_instance_vars");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCMessageRefs>(
+ ".objc_message_refs");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCMetaClass>(
+ ".objc_meta_class");
+ addDirectiveHandler<
+ &DarwinAsmParser::ParseSectionDirectiveObjCMethVarNames>(
+ ".objc_meth_var_names");
+ addDirectiveHandler<
+ &DarwinAsmParser::ParseSectionDirectiveObjCMethVarTypes>(
+ ".objc_meth_var_types");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCModuleInfo>(
+ ".objc_module_info");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCProtocol>(
+ ".objc_protocol");
+ addDirectiveHandler<
+ &DarwinAsmParser::ParseSectionDirectiveObjCSelectorStrs>(
+ ".objc_selector_strs");
+ addDirectiveHandler<
+ &DarwinAsmParser::ParseSectionDirectiveObjCStringObject>(
+ ".objc_string_object");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveObjCSymbols>(
+ ".objc_symbols");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectivePICSymbolStub>(
+ ".picsymbol_stub");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveStaticConst>(
+ ".static_const");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveStaticData>(
+ ".static_data");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveSymbolStub>(
+ ".symbol_stub");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveTData>(".tdata");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveText>(".text");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveThreadInitFunc>(
+ ".thread_init_func");
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveTLV>(".tlv");
+
+ addDirectiveHandler<&DarwinAsmParser::ParseSectionDirectiveIdent>(".ident");
}
bool ParseDirectiveDesc(StringRef, SMLoc);
bool ParseDirectiveDumpOrLoad(StringRef, SMLoc);
bool ParseDirectiveLsym(StringRef, SMLoc);
+ bool ParseDirectiveLinkerOption(StringRef, SMLoc);
bool ParseDirectiveSection(StringRef, SMLoc);
+ bool ParseDirectivePushSection(StringRef, SMLoc);
+ bool ParseDirectivePopSection(StringRef, SMLoc);
+ bool ParseDirectivePrevious(StringRef, SMLoc);
bool ParseDirectiveSecureLogReset(StringRef, SMLoc);
bool ParseDirectiveSecureLogUnique(StringRef, SMLoc);
bool ParseDirectiveSubsectionsViaSymbols(StringRef, SMLoc);
bool ParseDirectiveTBSS(StringRef, SMLoc);
bool ParseDirectiveZerofill(StringRef, SMLoc);
+ bool ParseDirectiveDataRegion(StringRef, SMLoc);
+ bool ParseDirectiveDataRegionEnd(StringRef, SMLoc);
// Named Section Directive
bool ParseSectionDirectiveConst(StringRef, SMLoc) {
}
bool ParseSectionDirectiveIdent(StringRef, SMLoc) {
// Darwin silently ignores the .ident directive.
- getParser().EatToEndOfStatement();
+ getParser().eatToEndOfStatement();
return false;
}
bool ParseSectionDirectiveThreadInitFunc(StringRef, SMLoc) {
};
-}
+} // end anonymous namespace
bool DarwinAsmParser::ParseSectionSwitch(const char *Segment,
const char *Section,
Lex();
// FIXME: Arch specific.
- bool isText = StringRef(Segment) == "__TEXT"; // FIXME: Hack.
+ bool isText = TAA & MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS;
getStreamer().SwitchSection(getContext().getMachOSection(
Segment, Section, TAA, StubSize,
isText ? SectionKind::getText()
/// ::= .desc identifier , expression
bool DarwinAsmParser::ParseDirectiveDesc(StringRef, SMLoc) {
StringRef Name;
- if (getParser().ParseIdentifier(Name))
+ if (getParser().parseIdentifier(Name))
return TokError("expected identifier in directive");
// Handle the identifier as the key symbol.
Lex();
int64_t DescValue;
- if (getParser().ParseAbsoluteExpression(DescValue))
+ if (getParser().parseAbsoluteExpression(DescValue))
return true;
if (getLexer().isNot(AsmToken::EndOfStatement))
// FIXME: If/when .dump and .load are implemented they will be done in the
// the assembly parser and not have any need for an MCStreamer API.
if (IsDump)
- Warning(IDLoc, "ignoring directive .dump for now");
+ return Warning(IDLoc, "ignoring directive .dump for now");
else
- Warning(IDLoc, "ignoring directive .load for now");
+ return Warning(IDLoc, "ignoring directive .load for now");
+}
+
+/// ParseDirectiveLinkerOption
+/// ::= .linker_option "string" ( , "string" )*
+bool DarwinAsmParser::ParseDirectiveLinkerOption(StringRef IDVal, SMLoc) {
+ SmallVector<std::string, 4> Args;
+ for (;;) {
+ if (getLexer().isNot(AsmToken::String))
+ return TokError("expected string in '" + Twine(IDVal) + "' directive");
+ std::string Data;
+ if (getParser().parseEscapedString(Data))
+ return true;
+
+ Args.push_back(Data);
+
+ Lex();
+ if (getLexer().is(AsmToken::EndOfStatement))
+ break;
+
+ if (getLexer().isNot(AsmToken::Comma))
+ return TokError("unexpected token in '" + Twine(IDVal) + "' directive");
+ Lex();
+ }
+
+ getStreamer().EmitLinkerOptions(Args);
return false;
}
/// ::= .lsym identifier , expression
bool DarwinAsmParser::ParseDirectiveLsym(StringRef, SMLoc) {
StringRef Name;
- if (getParser().ParseIdentifier(Name))
+ if (getParser().parseIdentifier(Name))
return TokError("expected identifier in directive");
// Handle the identifier as the key symbol.
Lex();
const MCExpr *Value;
- if (getParser().ParseExpression(Value))
+ if (getParser().parseExpression(Value))
return true;
if (getLexer().isNot(AsmToken::EndOfStatement))
SMLoc Loc = getLexer().getLoc();
StringRef SectionName;
- if (getParser().ParseIdentifier(SectionName))
+ if (getParser().parseIdentifier(SectionName))
return Error(Loc, "expected identifier after '.section' directive");
// Verify there is a following comma.
StringRef Segment, Section;
unsigned StubSize;
- unsigned TAA = 0;
+ unsigned TAA;
+ bool TAAParsed;
std::string ErrorStr =
MCSectionMachO::ParseSectionSpecifier(SectionSpec, Segment, Section,
- TAA, StubSize);
+ TAA, TAAParsed, StubSize);
if (!ErrorStr.empty())
return Error(Loc, ErrorStr.c_str());
return false;
}
+/// ParseDirectivePushSection:
+/// ::= .pushsection identifier (',' identifier)*
+bool DarwinAsmParser::ParseDirectivePushSection(StringRef S, SMLoc Loc) {
+ getStreamer().PushSection();
+
+ if (ParseDirectiveSection(S, Loc)) {
+ getStreamer().PopSection();
+ return true;
+ }
+
+ return false;
+}
+
+/// ParseDirectivePopSection:
+/// ::= .popsection
+bool DarwinAsmParser::ParseDirectivePopSection(StringRef, SMLoc) {
+ if (!getStreamer().PopSection())
+ return TokError(".popsection without corresponding .pushsection");
+ return false;
+}
+
+/// ParseDirectivePrevious:
+/// ::= .previous
+bool DarwinAsmParser::ParseDirectivePrevious(StringRef DirName, SMLoc) {
+ const MCSection *PreviousSection = getStreamer().getPreviousSection();
+ if (PreviousSection == NULL)
+ return TokError(".previous without corresponding .section");
+ getStreamer().SwitchSection(PreviousSection);
+ return false;
+}
+
/// ParseDirectiveSecureLogUnique
/// ::= .secure_log_unique ... message ...
bool DarwinAsmParser::ParseDirectiveSecureLogUnique(StringRef, SMLoc IDLoc) {
- StringRef LogMessage = getParser().ParseStringToEndOfStatement();
+ StringRef LogMessage = getParser().parseStringToEndOfStatement();
if (getLexer().isNot(AsmToken::EndOfStatement))
return TokError("unexpected token in '.secure_log_unique' directive");
bool DarwinAsmParser::ParseDirectiveTBSS(StringRef, SMLoc) {
SMLoc IDLoc = getLexer().getLoc();
StringRef Name;
- if (getParser().ParseIdentifier(Name))
+ if (getParser().parseIdentifier(Name))
return TokError("expected identifier in directive");
// Handle the identifier as the key symbol.
int64_t Size;
SMLoc SizeLoc = getLexer().getLoc();
- if (getParser().ParseAbsoluteExpression(Size))
+ if (getParser().parseAbsoluteExpression(Size))
return true;
int64_t Pow2Alignment = 0;
if (getLexer().is(AsmToken::Comma)) {
Lex();
Pow2AlignmentLoc = getLexer().getLoc();
- if (getParser().ParseAbsoluteExpression(Pow2Alignment))
+ if (getParser().parseAbsoluteExpression(Pow2Alignment))
return true;
}
/// , align_expression ]]
bool DarwinAsmParser::ParseDirectiveZerofill(StringRef, SMLoc) {
StringRef Segment;
- if (getParser().ParseIdentifier(Segment))
+ if (getParser().parseIdentifier(Segment))
return TokError("expected segment name after '.zerofill' directive");
if (getLexer().isNot(AsmToken::Comma))
Lex();
StringRef Section;
- if (getParser().ParseIdentifier(Section))
+ if (getParser().parseIdentifier(Section))
return TokError("expected section name after comma in '.zerofill' "
"directive");
SMLoc IDLoc = getLexer().getLoc();
StringRef IDStr;
- if (getParser().ParseIdentifier(IDStr))
+ if (getParser().parseIdentifier(IDStr))
return TokError("expected identifier in directive");
// handle the identifier as the key symbol.
int64_t Size;
SMLoc SizeLoc = getLexer().getLoc();
- if (getParser().ParseAbsoluteExpression(Size))
+ if (getParser().parseAbsoluteExpression(Size))
return true;
int64_t Pow2Alignment = 0;
if (getLexer().is(AsmToken::Comma)) {
Lex();
Pow2AlignmentLoc = getLexer().getLoc();
- if (getParser().ParseAbsoluteExpression(Pow2Alignment))
+ if (getParser().parseAbsoluteExpression(Pow2Alignment))
return true;
}
return false;
}
+/// ParseDirectiveDataRegion
+/// ::= .data_region [ ( jt8 | jt16 | jt32 ) ]
+bool DarwinAsmParser::ParseDirectiveDataRegion(StringRef, SMLoc) {
+ if (getLexer().is(AsmToken::EndOfStatement)) {
+ Lex();
+ getStreamer().EmitDataRegion(MCDR_DataRegion);
+ return false;
+ }
+ StringRef RegionType;
+ SMLoc Loc = getParser().getTok().getLoc();
+ if (getParser().parseIdentifier(RegionType))
+ return TokError("expected region type after '.data_region' directive");
+ int Kind = StringSwitch<int>(RegionType)
+ .Case("jt8", MCDR_DataRegionJT8)
+ .Case("jt16", MCDR_DataRegionJT16)
+ .Case("jt32", MCDR_DataRegionJT32)
+ .Default(-1);
+ if (Kind == -1)
+ return Error(Loc, "unknown region type in '.data_region' directive");
+ Lex();
+
+ getStreamer().EmitDataRegion((MCDataRegionType)Kind);
+ return false;
+}
+
+/// ParseDirectiveDataRegionEnd
+/// ::= .end_data_region
+bool DarwinAsmParser::ParseDirectiveDataRegionEnd(StringRef, SMLoc) {
+ if (getLexer().isNot(AsmToken::EndOfStatement))
+ return TokError("unexpected token in '.end_data_region' directive");
+
+ Lex();
+ getStreamer().EmitDataRegion(MCDR_DataRegionEnd);
+ return false;
+}
+
namespace llvm {
MCAsmParserExtension *createDarwinAsmParser() {
return new DarwinAsmParser;
}
-}
+} // end llvm namespace
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