//===----------------------------------------------------------------------===//
#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::*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,
unsigned TAA = 0, unsigned ImplicitAlign = 0,
unsigned StubSize = 0);
// Call the base implementation.
this->MCAsmParserExtension::Initialize(Parser);
- Parser.AddDirectiveHandler(this, ".desc", MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseDirectiveDesc));
- Parser.AddDirectiveHandler(this, ".lsym", MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseDirectiveLsym));
- Parser.AddDirectiveHandler(this, ".subsections_via_symbols",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseDirectiveSubsectionsViaSymbols));
- Parser.AddDirectiveHandler(this, ".dump", MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseDirectiveDumpOrLoad));
- Parser.AddDirectiveHandler(this, ".load", MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseDirectiveDumpOrLoad));
- Parser.AddDirectiveHandler(this, ".section", MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseDirectiveSection));
- Parser.AddDirectiveHandler(this, ".secure_log_unique",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseDirectiveSecureLogUnique));
- Parser.AddDirectiveHandler(this, ".secure_log_reset",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseDirectiveSecureLogReset));
- Parser.AddDirectiveHandler(this, ".tbss",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseDirectiveTBSS));
- Parser.AddDirectiveHandler(this, ".zerofill",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseDirectiveZerofill));
+ 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::ParseDirectivePushSection>(
+ ".pushsection");
+ AddDirectiveHandler<&DarwinAsmParser::ParseDirectivePopSection>(
+ ".popsection");
+ AddDirectiveHandler<&DarwinAsmParser::ParseDirectivePrevious>(".previous");
+ AddDirectiveHandler<&DarwinAsmParser::ParseDirectiveSecureLogUnique>(
+ ".secure_log_unique");
+ AddDirectiveHandler<&DarwinAsmParser::ParseDirectiveSecureLogReset>(
+ ".secure_log_reset");
+ AddDirectiveHandler<&DarwinAsmParser::ParseDirectiveTBSS>(".tbss");
+ AddDirectiveHandler<&DarwinAsmParser::ParseDirectiveZerofill>(".zerofill");
+
+ AddDirectiveHandler<&DarwinAsmParser::ParseDirectiveDataRegion>(
+ ".data_region");
+ AddDirectiveHandler<&DarwinAsmParser::ParseDirectiveDataRegionEnd>(
+ ".end_data_region");
// Special section directives.
- Parser.AddDirectiveHandler(this, ".const",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveConst));
- Parser.AddDirectiveHandler(this, ".const_data",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveConstData));
- Parser.AddDirectiveHandler(this, ".constructor",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveConstructor));
- Parser.AddDirectiveHandler(this, ".cstring",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveCString));
- Parser.AddDirectiveHandler(this, ".data",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveData));
- Parser.AddDirectiveHandler(this, ".destructor",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveDestructor));
- Parser.AddDirectiveHandler(this, ".dyld",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveDyld));
- Parser.AddDirectiveHandler(this, ".fvmlib_init0",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveFVMLibInit0));
- Parser.AddDirectiveHandler(this, ".fvmlib_init1",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveFVMLibInit1));
- Parser.AddDirectiveHandler(this, ".lazy_symbol_pointer",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveLazySymbolPointers));
- Parser.AddDirectiveHandler(this, ".literal16",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveLiteral16));
- Parser.AddDirectiveHandler(this, ".literal4",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveLiteral4));
- Parser.AddDirectiveHandler(this, ".literal8",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveLiteral8));
- Parser.AddDirectiveHandler(this, ".mod_init_func",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveModInitFunc));
- Parser.AddDirectiveHandler(this, ".mod_term_func",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveModTermFunc));
- Parser.AddDirectiveHandler(this, ".non_lazy_symbol_pointer",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveNonLazySymbolPointers));
- Parser.AddDirectiveHandler(this, ".objc_cat_cls_meth",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveObjCCatClsMeth));
- Parser.AddDirectiveHandler(this, ".objc_cat_inst_meth",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveObjCCatInstMeth));
- Parser.AddDirectiveHandler(this, ".objc_category",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveObjCCategory));
- Parser.AddDirectiveHandler(this, ".objc_class",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveObjCClass));
- Parser.AddDirectiveHandler(this, ".objc_class_names",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveObjCClassNames));
- Parser.AddDirectiveHandler(this, ".objc_class_vars",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveObjCClassVars));
- Parser.AddDirectiveHandler(this, ".objc_cls_meth",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveObjCClsMeth));
- Parser.AddDirectiveHandler(this, ".objc_cls_refs",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveObjCClsRefs));
- Parser.AddDirectiveHandler(this, ".objc_inst_meth",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveObjCInstMeth));
- Parser.AddDirectiveHandler(this, ".objc_instance_vars",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveObjCInstanceVars));
- Parser.AddDirectiveHandler(this, ".objc_message_refs",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveObjCMessageRefs));
- Parser.AddDirectiveHandler(this, ".objc_meta_class",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveObjCMetaClass));
- Parser.AddDirectiveHandler(this, ".objc_meth_var_names",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveObjCMethVarNames));
- Parser.AddDirectiveHandler(this, ".objc_meth_var_types",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveObjCMethVarTypes));
- Parser.AddDirectiveHandler(this, ".objc_module_info",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveObjCModuleInfo));
- Parser.AddDirectiveHandler(this, ".objc_protocol",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveObjCProtocol));
- Parser.AddDirectiveHandler(this, ".objc_selector_strs",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveObjCSelectorStrs));
- Parser.AddDirectiveHandler(this, ".objc_string_object",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveObjCStringObject));
- Parser.AddDirectiveHandler(this, ".objc_symbols",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveObjCSymbols));
- Parser.AddDirectiveHandler(this, ".picsymbol_stub",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectivePICSymbolStub));
- Parser.AddDirectiveHandler(this, ".static_const",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveStaticConst));
- Parser.AddDirectiveHandler(this, ".static_data",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveStaticData));
- Parser.AddDirectiveHandler(this, ".symbol_stub",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveSymbolStub));
- Parser.AddDirectiveHandler(this, ".tdata",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveTData));
- Parser.AddDirectiveHandler(this, ".text",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveText));
- Parser.AddDirectiveHandler(this, ".thread_init_func",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveThreadInitFunc));
- Parser.AddDirectiveHandler(this, ".tlv",
- MCAsmParser::DirectiveHandler(
- &DarwinAsmParser::ParseSectionDirectiveTLV));
+ 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 ParseDirectiveSection();
+ 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) {
return ParseSectionSwitch("__DATA", "__thread_vars",
MCSectionMachO::S_THREAD_LOCAL_VARIABLES);
}
+ bool ParseSectionDirectiveIdent(StringRef, SMLoc) {
+ // Darwin silently ignores the .ident directive.
+ getParser().EatToEndOfStatement();
+ return false;
+ }
bool ParseSectionDirectiveThreadInitFunc(StringRef, SMLoc) {
return ParseSectionSwitch("__DATA", "__thread_init",
MCSectionMachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS);
};
-}
+} // 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()
//
// FIXME: This isn't really what 'as' does; I think it just uses the implicit
// alignment on the section (e.g., if one manually inserts bytes into the
- // section, then just issueing the section switch directive will not realign
+ // section, then just issuing the section switch directive will not realign
// the section. However, this is arguably more reasonable behavior, and there
// is no good reason for someone to intentionally emit incorrectly sized
// values into the implicitly aligned sections.
// 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;
}
/// ParseDirectiveSection:
/// ::= .section identifier (',' identifier)*
-bool DarwinAsmParser::ParseDirectiveSection() {
+bool DarwinAsmParser::ParseDirectiveSection(StringRef, SMLoc) {
SMLoc Loc = getLexer().getLoc();
StringRef SectionName;
StringRef Segment, Section;
- unsigned TAA, StubSize;
+ unsigned StubSize;
+ 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;
}
-/// ParseDirectiveSecureLogUnique
-/// ::= .secure_log_unique "log message"
-bool DarwinAsmParser::ParseDirectiveSecureLogUnique(StringRef, SMLoc IDLoc) {
- std::string LogMessage;
+/// ParseDirectivePushSection:
+/// ::= .pushsection identifier (',' identifier)*
+bool DarwinAsmParser::ParseDirectivePushSection(StringRef S, SMLoc Loc) {
+ getStreamer().PushSection();
- if (getLexer().isNot(AsmToken::String))
- LogMessage = "";
- else{
- LogMessage = getTok().getString();
- Lex();
+ 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();
if (getLexer().isNot(AsmToken::EndOfStatement))
return TokError("unexpected token in '.secure_log_unique' directive");
if (getContext().getSecureLogUsed() != false)
return Error(IDLoc, ".secure_log_unique specified multiple times");
- char *SecureLogFile = getContext().getSecureLogFile();
+ // Get the secure log path.
+ const char *SecureLogFile = getContext().getSecureLogFile();
if (SecureLogFile == NULL)
return Error(IDLoc, ".secure_log_unique used but AS_SECURE_LOG_FILE "
"environment variable unset.");
+ // Open the secure log file if we haven't already.
raw_ostream *OS = getContext().getSecureLog();
if (OS == NULL) {
std::string Err;
getContext().setSecureLog(OS);
}
+ // Write the message.
int CurBuf = getSourceManager().FindBufferContainingLoc(IDLoc);
*OS << getSourceManager().getBufferInfo(CurBuf).Buffer->getBufferIdentifier()
<< ":" << getSourceManager().FindLineNumber(IDLoc, CurBuf) << ":"
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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