//===----------------------------------------------------------------------===//
#include "llvm/MC/MCParser/MCAsmParserExtension.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/StringSwitch.h"
+#include "llvm/ADT/Triple.h"
+#include "llvm/ADT/Twine.h"
#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCObjectFileInfo.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/FileSystem.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,
+ bool parseSectionSwitch(const char *Segment, const char *Section,
unsigned TAA = 0, unsigned ImplicitAlign = 0,
unsigned StubSize = 0);
+ SMLoc LastVersionMinDirective;
+
public:
DarwinAsmParser() {}
- virtual void Initialize(MCAsmParser &Parser) {
+ void Initialize(MCAsmParser &Parser) override {
// 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::parseDirectiveIndirectSymbol>(
+ ".indirect_symbol");
+ 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");
- }
-
- bool ParseDirectiveDesc(StringRef, SMLoc);
- bool ParseDirectiveDumpOrLoad(StringRef, SMLoc);
- bool ParseDirectiveLsym(StringRef, SMLoc);
- bool ParseDirectiveSection(StringRef, SMLoc);
- bool ParseDirectiveSecureLogReset(StringRef, SMLoc);
- bool ParseDirectiveSecureLogUnique(StringRef, SMLoc);
- bool ParseDirectiveSubsectionsViaSymbols(StringRef, SMLoc);
- bool ParseDirectiveTBSS(StringRef, SMLoc);
- bool ParseDirectiveZerofill(StringRef, SMLoc);
+ addDirectiveHandler<&DarwinAsmParser::parseSectionDirectiveBss>(".bss");
+ 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");
+ addDirectiveHandler<&DarwinAsmParser::parseVersionMin>(
+ ".watchos_version_min");
+ addDirectiveHandler<&DarwinAsmParser::parseVersionMin>(".tvos_version_min");
+ addDirectiveHandler<&DarwinAsmParser::parseVersionMin>(".ios_version_min");
+ addDirectiveHandler<&DarwinAsmParser::parseVersionMin>(
+ ".macosx_version_min");
+
+ LastVersionMinDirective = SMLoc();
+ }
+
+ bool parseDirectiveDesc(StringRef, SMLoc);
+ bool parseDirectiveIndirectSymbol(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) {
- return ParseSectionSwitch("__TEXT", "__const");
+ bool parseSectionDirectiveBss(StringRef, SMLoc) {
+ return parseSectionSwitch("__DATA", "__bss");
}
- bool ParseSectionDirectiveStaticConst(StringRef, SMLoc) {
- return ParseSectionSwitch("__TEXT", "__static_const");
+
+ bool parseSectionDirectiveConst(StringRef, SMLoc) {
+ return parseSectionSwitch("__TEXT", "__const");
}
- bool ParseSectionDirectiveCString(StringRef, SMLoc) {
- return ParseSectionSwitch("__TEXT","__cstring",
- MCSectionMachO::S_CSTRING_LITERALS);
+ bool parseSectionDirectiveStaticConst(StringRef, SMLoc) {
+ return parseSectionSwitch("__TEXT", "__static_const");
}
- bool ParseSectionDirectiveLiteral4(StringRef, SMLoc) {
- return ParseSectionSwitch("__TEXT", "__literal4",
- MCSectionMachO::S_4BYTE_LITERALS, 4);
+ bool parseSectionDirectiveCString(StringRef, SMLoc) {
+ return parseSectionSwitch("__TEXT","__cstring",
+ MachO::S_CSTRING_LITERALS);
}
- bool ParseSectionDirectiveLiteral8(StringRef, SMLoc) {
- return ParseSectionSwitch("__TEXT", "__literal8",
- MCSectionMachO::S_8BYTE_LITERALS, 8);
+ bool parseSectionDirectiveLiteral4(StringRef, SMLoc) {
+ return parseSectionSwitch("__TEXT", "__literal4",
+ MachO::S_4BYTE_LITERALS, 4);
}
- bool ParseSectionDirectiveLiteral16(StringRef, SMLoc) {
- return ParseSectionSwitch("__TEXT","__literal16",
- MCSectionMachO::S_16BYTE_LITERALS, 16);
+ bool parseSectionDirectiveLiteral8(StringRef, SMLoc) {
+ return parseSectionSwitch("__TEXT", "__literal8",
+ MachO::S_8BYTE_LITERALS, 8);
}
- bool ParseSectionDirectiveConstructor(StringRef, SMLoc) {
- return ParseSectionSwitch("__TEXT","__constructor");
+ bool parseSectionDirectiveLiteral16(StringRef, SMLoc) {
+ return parseSectionSwitch("__TEXT","__literal16",
+ MachO::S_16BYTE_LITERALS, 16);
}
- bool ParseSectionDirectiveDestructor(StringRef, SMLoc) {
- return ParseSectionSwitch("__TEXT","__destructor");
+ bool parseSectionDirectiveConstructor(StringRef, SMLoc) {
+ return parseSectionSwitch("__TEXT","__constructor");
}
- bool ParseSectionDirectiveFVMLibInit0(StringRef, SMLoc) {
- return ParseSectionSwitch("__TEXT","__fvmlib_init0");
+ bool parseSectionDirectiveDestructor(StringRef, SMLoc) {
+ return parseSectionSwitch("__TEXT","__destructor");
}
- bool ParseSectionDirectiveFVMLibInit1(StringRef, SMLoc) {
- return ParseSectionSwitch("__TEXT","__fvmlib_init1");
+ bool parseSectionDirectiveFVMLibInit0(StringRef, SMLoc) {
+ return parseSectionSwitch("__TEXT","__fvmlib_init0");
}
- bool ParseSectionDirectiveSymbolStub(StringRef, SMLoc) {
- return ParseSectionSwitch("__TEXT","__symbol_stub",
- MCSectionMachO::S_SYMBOL_STUBS |
- MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS,
+ bool parseSectionDirectiveFVMLibInit1(StringRef, SMLoc) {
+ return parseSectionSwitch("__TEXT","__fvmlib_init1");
+ }
+ bool parseSectionDirectiveSymbolStub(StringRef, SMLoc) {
+ return parseSectionSwitch("__TEXT","__symbol_stub",
+ MachO::S_SYMBOL_STUBS |
+ MachO::S_ATTR_PURE_INSTRUCTIONS,
// FIXME: Different on PPC and ARM.
0, 16);
}
- bool ParseSectionDirectivePICSymbolStub(StringRef, SMLoc) {
- return ParseSectionSwitch("__TEXT","__picsymbol_stub",
- MCSectionMachO::S_SYMBOL_STUBS |
- MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS, 0, 26);
+ bool parseSectionDirectivePICSymbolStub(StringRef, SMLoc) {
+ return parseSectionSwitch("__TEXT","__picsymbol_stub",
+ MachO::S_SYMBOL_STUBS |
+ MachO::S_ATTR_PURE_INSTRUCTIONS, 0, 26);
}
- bool ParseSectionDirectiveData(StringRef, SMLoc) {
- return ParseSectionSwitch("__DATA", "__data");
+ bool parseSectionDirectiveData(StringRef, SMLoc) {
+ return parseSectionSwitch("__DATA", "__data");
}
- bool ParseSectionDirectiveStaticData(StringRef, SMLoc) {
- return ParseSectionSwitch("__DATA", "__static_data");
+ bool parseSectionDirectiveStaticData(StringRef, SMLoc) {
+ return parseSectionSwitch("__DATA", "__static_data");
}
- bool ParseSectionDirectiveNonLazySymbolPointers(StringRef, SMLoc) {
- return ParseSectionSwitch("__DATA", "__nl_symbol_ptr",
- MCSectionMachO::S_NON_LAZY_SYMBOL_POINTERS, 4);
+ bool parseSectionDirectiveNonLazySymbolPointers(StringRef, SMLoc) {
+ return parseSectionSwitch("__DATA", "__nl_symbol_ptr",
+ MachO::S_NON_LAZY_SYMBOL_POINTERS, 4);
}
- bool ParseSectionDirectiveLazySymbolPointers(StringRef, SMLoc) {
- return ParseSectionSwitch("__DATA", "__la_symbol_ptr",
- MCSectionMachO::S_LAZY_SYMBOL_POINTERS, 4);
+ bool parseSectionDirectiveLazySymbolPointers(StringRef, SMLoc) {
+ return parseSectionSwitch("__DATA", "__la_symbol_ptr",
+ MachO::S_LAZY_SYMBOL_POINTERS, 4);
}
- bool ParseSectionDirectiveDyld(StringRef, SMLoc) {
- return ParseSectionSwitch("__DATA", "__dyld");
+ bool parseSectionDirectiveDyld(StringRef, SMLoc) {
+ return parseSectionSwitch("__DATA", "__dyld");
}
- bool ParseSectionDirectiveModInitFunc(StringRef, SMLoc) {
- return ParseSectionSwitch("__DATA", "__mod_init_func",
- MCSectionMachO::S_MOD_INIT_FUNC_POINTERS, 4);
+ bool parseSectionDirectiveModInitFunc(StringRef, SMLoc) {
+ return parseSectionSwitch("__DATA", "__mod_init_func",
+ MachO::S_MOD_INIT_FUNC_POINTERS, 4);
}
- bool ParseSectionDirectiveModTermFunc(StringRef, SMLoc) {
- return ParseSectionSwitch("__DATA", "__mod_term_func",
- MCSectionMachO::S_MOD_TERM_FUNC_POINTERS, 4);
+ bool parseSectionDirectiveModTermFunc(StringRef, SMLoc) {
+ return parseSectionSwitch("__DATA", "__mod_term_func",
+ MachO::S_MOD_TERM_FUNC_POINTERS, 4);
}
- bool ParseSectionDirectiveConstData(StringRef, SMLoc) {
- return ParseSectionSwitch("__DATA", "__const");
+ bool parseSectionDirectiveConstData(StringRef, SMLoc) {
+ return parseSectionSwitch("__DATA", "__const");
}
- bool ParseSectionDirectiveObjCClass(StringRef, SMLoc) {
- return ParseSectionSwitch("__OBJC", "__class",
- MCSectionMachO::S_ATTR_NO_DEAD_STRIP);
+ bool parseSectionDirectiveObjCClass(StringRef, SMLoc) {
+ return parseSectionSwitch("__OBJC", "__class",
+ MachO::S_ATTR_NO_DEAD_STRIP);
}
- bool ParseSectionDirectiveObjCMetaClass(StringRef, SMLoc) {
- return ParseSectionSwitch("__OBJC", "__meta_class",
- MCSectionMachO::S_ATTR_NO_DEAD_STRIP);
+ bool parseSectionDirectiveObjCMetaClass(StringRef, SMLoc) {
+ return parseSectionSwitch("__OBJC", "__meta_class",
+ MachO::S_ATTR_NO_DEAD_STRIP);
}
- bool ParseSectionDirectiveObjCCatClsMeth(StringRef, SMLoc) {
- return ParseSectionSwitch("__OBJC", "__cat_cls_meth",
- MCSectionMachO::S_ATTR_NO_DEAD_STRIP);
+ bool parseSectionDirectiveObjCCatClsMeth(StringRef, SMLoc) {
+ return parseSectionSwitch("__OBJC", "__cat_cls_meth",
+ MachO::S_ATTR_NO_DEAD_STRIP);
}
- bool ParseSectionDirectiveObjCCatInstMeth(StringRef, SMLoc) {
- return ParseSectionSwitch("__OBJC", "__cat_inst_meth",
- MCSectionMachO::S_ATTR_NO_DEAD_STRIP);
+ bool parseSectionDirectiveObjCCatInstMeth(StringRef, SMLoc) {
+ return parseSectionSwitch("__OBJC", "__cat_inst_meth",
+ MachO::S_ATTR_NO_DEAD_STRIP);
}
- bool ParseSectionDirectiveObjCProtocol(StringRef, SMLoc) {
- return ParseSectionSwitch("__OBJC", "__protocol",
- MCSectionMachO::S_ATTR_NO_DEAD_STRIP);
+ bool parseSectionDirectiveObjCProtocol(StringRef, SMLoc) {
+ return parseSectionSwitch("__OBJC", "__protocol",
+ MachO::S_ATTR_NO_DEAD_STRIP);
}
- bool ParseSectionDirectiveObjCStringObject(StringRef, SMLoc) {
- return ParseSectionSwitch("__OBJC", "__string_object",
- MCSectionMachO::S_ATTR_NO_DEAD_STRIP);
+ bool parseSectionDirectiveObjCStringObject(StringRef, SMLoc) {
+ return parseSectionSwitch("__OBJC", "__string_object",
+ MachO::S_ATTR_NO_DEAD_STRIP);
}
- bool ParseSectionDirectiveObjCClsMeth(StringRef, SMLoc) {
- return ParseSectionSwitch("__OBJC", "__cls_meth",
- MCSectionMachO::S_ATTR_NO_DEAD_STRIP);
+ bool parseSectionDirectiveObjCClsMeth(StringRef, SMLoc) {
+ return parseSectionSwitch("__OBJC", "__cls_meth",
+ MachO::S_ATTR_NO_DEAD_STRIP);
}
- bool ParseSectionDirectiveObjCInstMeth(StringRef, SMLoc) {
- return ParseSectionSwitch("__OBJC", "__inst_meth",
- MCSectionMachO::S_ATTR_NO_DEAD_STRIP);
+ bool parseSectionDirectiveObjCInstMeth(StringRef, SMLoc) {
+ return parseSectionSwitch("__OBJC", "__inst_meth",
+ MachO::S_ATTR_NO_DEAD_STRIP);
}
- bool ParseSectionDirectiveObjCClsRefs(StringRef, SMLoc) {
- return ParseSectionSwitch("__OBJC", "__cls_refs",
- MCSectionMachO::S_ATTR_NO_DEAD_STRIP |
- MCSectionMachO::S_LITERAL_POINTERS, 4);
+ bool parseSectionDirectiveObjCClsRefs(StringRef, SMLoc) {
+ return parseSectionSwitch("__OBJC", "__cls_refs",
+ MachO::S_ATTR_NO_DEAD_STRIP |
+ MachO::S_LITERAL_POINTERS, 4);
}
- bool ParseSectionDirectiveObjCMessageRefs(StringRef, SMLoc) {
- return ParseSectionSwitch("__OBJC", "__message_refs",
- MCSectionMachO::S_ATTR_NO_DEAD_STRIP |
- MCSectionMachO::S_LITERAL_POINTERS, 4);
+ bool parseSectionDirectiveObjCMessageRefs(StringRef, SMLoc) {
+ return parseSectionSwitch("__OBJC", "__message_refs",
+ MachO::S_ATTR_NO_DEAD_STRIP |
+ MachO::S_LITERAL_POINTERS, 4);
}
- bool ParseSectionDirectiveObjCSymbols(StringRef, SMLoc) {
- return ParseSectionSwitch("__OBJC", "__symbols",
- MCSectionMachO::S_ATTR_NO_DEAD_STRIP);
+ bool parseSectionDirectiveObjCSymbols(StringRef, SMLoc) {
+ return parseSectionSwitch("__OBJC", "__symbols",
+ MachO::S_ATTR_NO_DEAD_STRIP);
}
- bool ParseSectionDirectiveObjCCategory(StringRef, SMLoc) {
- return ParseSectionSwitch("__OBJC", "__category",
- MCSectionMachO::S_ATTR_NO_DEAD_STRIP);
+ bool parseSectionDirectiveObjCCategory(StringRef, SMLoc) {
+ return parseSectionSwitch("__OBJC", "__category",
+ MachO::S_ATTR_NO_DEAD_STRIP);
}
- bool ParseSectionDirectiveObjCClassVars(StringRef, SMLoc) {
- return ParseSectionSwitch("__OBJC", "__class_vars",
- MCSectionMachO::S_ATTR_NO_DEAD_STRIP);
+ bool parseSectionDirectiveObjCClassVars(StringRef, SMLoc) {
+ return parseSectionSwitch("__OBJC", "__class_vars",
+ MachO::S_ATTR_NO_DEAD_STRIP);
}
- bool ParseSectionDirectiveObjCInstanceVars(StringRef, SMLoc) {
- return ParseSectionSwitch("__OBJC", "__instance_vars",
- MCSectionMachO::S_ATTR_NO_DEAD_STRIP);
+ bool parseSectionDirectiveObjCInstanceVars(StringRef, SMLoc) {
+ return parseSectionSwitch("__OBJC", "__instance_vars",
+ MachO::S_ATTR_NO_DEAD_STRIP);
}
- bool ParseSectionDirectiveObjCModuleInfo(StringRef, SMLoc) {
- return ParseSectionSwitch("__OBJC", "__module_info",
- MCSectionMachO::S_ATTR_NO_DEAD_STRIP);
+ bool parseSectionDirectiveObjCModuleInfo(StringRef, SMLoc) {
+ return parseSectionSwitch("__OBJC", "__module_info",
+ MachO::S_ATTR_NO_DEAD_STRIP);
}
- bool ParseSectionDirectiveObjCClassNames(StringRef, SMLoc) {
- return ParseSectionSwitch("__TEXT", "__cstring",
- MCSectionMachO::S_CSTRING_LITERALS);
+ bool parseSectionDirectiveObjCClassNames(StringRef, SMLoc) {
+ return parseSectionSwitch("__TEXT", "__cstring",
+ MachO::S_CSTRING_LITERALS);
}
- bool ParseSectionDirectiveObjCMethVarTypes(StringRef, SMLoc) {
- return ParseSectionSwitch("__TEXT", "__cstring",
- MCSectionMachO::S_CSTRING_LITERALS);
+ bool parseSectionDirectiveObjCMethVarTypes(StringRef, SMLoc) {
+ return parseSectionSwitch("__TEXT", "__cstring",
+ MachO::S_CSTRING_LITERALS);
}
- bool ParseSectionDirectiveObjCMethVarNames(StringRef, SMLoc) {
- return ParseSectionSwitch("__TEXT", "__cstring",
- MCSectionMachO::S_CSTRING_LITERALS);
+ bool parseSectionDirectiveObjCMethVarNames(StringRef, SMLoc) {
+ return parseSectionSwitch("__TEXT", "__cstring",
+ MachO::S_CSTRING_LITERALS);
}
- bool ParseSectionDirectiveObjCSelectorStrs(StringRef, SMLoc) {
- return ParseSectionSwitch("__OBJC", "__selector_strs",
- MCSectionMachO::S_CSTRING_LITERALS);
+ bool parseSectionDirectiveObjCSelectorStrs(StringRef, SMLoc) {
+ return parseSectionSwitch("__OBJC", "__selector_strs",
+ MachO::S_CSTRING_LITERALS);
}
- bool ParseSectionDirectiveTData(StringRef, SMLoc) {
- return ParseSectionSwitch("__DATA", "__thread_data",
- MCSectionMachO::S_THREAD_LOCAL_REGULAR);
+ bool parseSectionDirectiveTData(StringRef, SMLoc) {
+ return parseSectionSwitch("__DATA", "__thread_data",
+ MachO::S_THREAD_LOCAL_REGULAR);
}
- bool ParseSectionDirectiveText(StringRef, SMLoc) {
- return ParseSectionSwitch("__TEXT", "__text",
- MCSectionMachO::S_ATTR_PURE_INSTRUCTIONS);
+ bool parseSectionDirectiveText(StringRef, SMLoc) {
+ return parseSectionSwitch("__TEXT", "__text",
+ MachO::S_ATTR_PURE_INSTRUCTIONS);
}
- bool ParseSectionDirectiveTLV(StringRef, SMLoc) {
- return ParseSectionSwitch("__DATA", "__thread_vars",
- MCSectionMachO::S_THREAD_LOCAL_VARIABLES);
+ bool parseSectionDirectiveTLV(StringRef, SMLoc) {
+ return parseSectionSwitch("__DATA", "__thread_vars",
+ MachO::S_THREAD_LOCAL_VARIABLES);
}
- bool ParseSectionDirectiveIdent(StringRef, SMLoc) {
+ bool parseSectionDirectiveIdent(StringRef, SMLoc) {
// Darwin silently ignores the .ident directive.
- getParser().EatToEndOfStatement();
+ getParser().eatToEndOfStatement();
return false;
}
- bool ParseSectionDirectiveThreadInitFunc(StringRef, SMLoc) {
- return ParseSectionSwitch("__DATA", "__thread_init",
- MCSectionMachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS);
+ bool parseSectionDirectiveThreadInitFunc(StringRef, SMLoc) {
+ return parseSectionSwitch("__DATA", "__thread_init",
+ MachO::S_THREAD_LOCAL_INIT_FUNCTION_POINTERS);
}
+ bool parseVersionMin(StringRef, SMLoc);
};
-}
+} // end anonymous namespace
-bool DarwinAsmParser::ParseSectionSwitch(const char *Segment,
+bool DarwinAsmParser::parseSectionSwitch(const char *Segment,
const char *Section,
unsigned TAA, unsigned Align,
unsigned StubSize) {
Lex();
// FIXME: Arch specific.
- bool isText = StringRef(Segment) == "__TEXT"; // FIXME: Hack.
+ bool isText = TAA & MachO::S_ATTR_PURE_INSTRUCTIONS;
getStreamer().SwitchSection(getContext().getMachOSection(
Segment, Section, TAA, StubSize,
isText ? SectionKind::getText()
// is no good reason for someone to intentionally emit incorrectly sized
// values into the implicitly aligned sections.
if (Align)
- getStreamer().EmitValueToAlignment(Align, 0, 1, 0);
+ getStreamer().EmitValueToAlignment(Align);
return false;
}
-/// ParseDirectiveDesc
+/// parseDirectiveDesc
/// ::= .desc identifier , expression
-bool DarwinAsmParser::ParseDirectiveDesc(StringRef, SMLoc) {
+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.
- MCSymbol *Sym = getContext().GetOrCreateSymbol(Name);
+ MCSymbol *Sym = getContext().getOrCreateSymbol(Name);
if (getLexer().isNot(AsmToken::Comma))
return TokError("unexpected token in '.desc' directive");
Lex();
int64_t DescValue;
- if (getParser().ParseAbsoluteExpression(DescValue))
+ if (getParser().parseAbsoluteExpression(DescValue))
return true;
if (getLexer().isNot(AsmToken::EndOfStatement))
return false;
}
-/// ParseDirectiveDumpOrLoad
+/// parseDirectiveIndirectSymbol
+/// ::= .indirect_symbol identifier
+bool DarwinAsmParser::parseDirectiveIndirectSymbol(StringRef, SMLoc Loc) {
+ const MCSectionMachO *Current = static_cast<const MCSectionMachO*>(
+ getStreamer().getCurrentSection().first);
+ MachO::SectionType SectionType = Current->getType();
+ if (SectionType != MachO::S_NON_LAZY_SYMBOL_POINTERS &&
+ SectionType != MachO::S_LAZY_SYMBOL_POINTERS &&
+ SectionType != MachO::S_SYMBOL_STUBS)
+ return Error(Loc, "indirect symbol not in a symbol pointer or stub "
+ "section");
+
+ StringRef Name;
+ if (getParser().parseIdentifier(Name))
+ return TokError("expected identifier in .indirect_symbol directive");
+
+ MCSymbol *Sym = getContext().getOrCreateSymbol(Name);
+
+ // Assembler local symbols don't make any sense here. Complain loudly.
+ if (Sym->isTemporary())
+ return TokError("non-local symbol required in directive");
+
+ if (!getStreamer().EmitSymbolAttribute(Sym, MCSA_IndirectSymbol))
+ return TokError("unable to emit indirect symbol attribute for: " + Name);
+
+ if (getLexer().isNot(AsmToken::EndOfStatement))
+ return TokError("unexpected token in '.indirect_symbol' directive");
+
+ Lex();
+
+ return false;
+}
+
+/// parseDirectiveDumpOrLoad
/// ::= ( .dump | .load ) "filename"
-bool DarwinAsmParser::ParseDirectiveDumpOrLoad(StringRef Directive,
+bool DarwinAsmParser::parseDirectiveDumpOrLoad(StringRef Directive,
SMLoc IDLoc) {
bool IsDump = Directive == ".dump";
if (getLexer().isNot(AsmToken::String))
// 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;
}
-/// ParseDirectiveLsym
+/// parseDirectiveLsym
/// ::= .lsym identifier , expression
-bool DarwinAsmParser::ParseDirectiveLsym(StringRef, SMLoc) {
+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.
- MCSymbol *Sym = getContext().GetOrCreateSymbol(Name);
+ MCSymbol *Sym = getContext().getOrCreateSymbol(Name);
if (getLexer().isNot(AsmToken::Comma))
return TokError("unexpected token in '.lsym' directive");
Lex();
const MCExpr *Value;
- if (getParser().ParseExpression(Value))
+ if (getParser().parseExpression(Value))
return true;
if (getLexer().isNot(AsmToken::EndOfStatement))
return TokError("directive '.lsym' is unsupported");
}
-/// ParseDirectiveSection:
+/// parseDirectiveSection:
/// ::= .section identifier (',' identifier)*
-bool DarwinAsmParser::ParseDirectiveSection(StringRef, SMLoc) {
+bool DarwinAsmParser::parseDirectiveSection(StringRef, SMLoc) {
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.
if (!ErrorStr.empty())
return Error(Loc, ErrorStr.c_str());
+ // Issue a warning if the target is not powerpc and Section is a *coal* section.
+ Triple TT = getParser().getContext().getObjectFileInfo()->getTargetTriple();
+ Triple::ArchType ArchTy = TT.getArch();
+
+ if (ArchTy != Triple::ppc && ArchTy != Triple::ppc64) {
+ StringRef NonCoalSection = StringSwitch<StringRef>(Section)
+ .Case("__textcoal_nt", "__text")
+ .Case("__const_coal", "__const")
+ .Case("__datacoal_nt", "__data")
+ .Default(Section);
+
+ if (!Section.equals(NonCoalSection)) {
+ StringRef SectionVal(Loc.getPointer());
+ size_t B = SectionVal.find(',') + 1, E = SectionVal.find(',', B);
+ SMLoc BLoc = SMLoc::getFromPointer(SectionVal.data() + B);
+ SMLoc ELoc = SMLoc::getFromPointer(SectionVal.data() + E);
+ getParser().Warning(Loc, "section \"" + Section + "\" is deprecated",
+ SMRange(BLoc, ELoc));
+ getParser().Note(Loc, "change section name to \"" + NonCoalSection +
+ "\"", SMRange(BLoc, ELoc));
+ }
+ }
+
// FIXME: Arch specific.
bool isText = Segment == "__TEXT"; // FIXME: Hack.
getStreamer().SwitchSection(getContext().getMachOSection(
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) {
+ MCSectionSubPair PreviousSection = getStreamer().getPreviousSection();
+ if (!PreviousSection.first)
+ return TokError(".previous without corresponding .section");
+ getStreamer().SwitchSection(PreviousSection.first, PreviousSection.second);
+ return false;
+}
+
/// ParseDirectiveSecureLogUnique
/// ::= .secure_log_unique ... message ...
-bool DarwinAsmParser::ParseDirectiveSecureLogUnique(StringRef, SMLoc IDLoc) {
- StringRef LogMessage = getParser().ParseStringToEndOfStatement();
+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)
+ if (getContext().getSecureLogUsed())
return Error(IDLoc, ".secure_log_unique specified multiple times");
// Get the secure log path.
const char *SecureLogFile = getContext().getSecureLogFile();
- if (SecureLogFile == NULL)
+ if (!SecureLogFile)
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;
- OS = new raw_fd_ostream(SecureLogFile, Err, raw_fd_ostream::F_Append);
- if (!Err.empty()) {
+ if (!OS) {
+ std::error_code EC;
+ OS = new raw_fd_ostream(SecureLogFile, EC,
+ sys::fs::F_Append | sys::fs::F_Text);
+ if (EC) {
delete OS;
return Error(IDLoc, Twine("can't open secure log file: ") +
- SecureLogFile + " (" + Err + ")");
+ SecureLogFile + " (" + EC.message() + ")");
}
getContext().setSecureLog(OS);
}
// Write the message.
- int CurBuf = getSourceManager().FindBufferContainingLoc(IDLoc);
+ unsigned CurBuf = getSourceManager().FindBufferContainingLoc(IDLoc);
*OS << getSourceManager().getBufferInfo(CurBuf).Buffer->getBufferIdentifier()
<< ":" << getSourceManager().FindLineNumber(IDLoc, CurBuf) << ":"
<< LogMessage + "\n";
/// ParseDirectiveSecureLogReset
/// ::= .secure_log_reset
-bool DarwinAsmParser::ParseDirectiveSecureLogReset(StringRef, SMLoc IDLoc) {
+bool DarwinAsmParser::parseDirectiveSecureLogReset(StringRef, SMLoc IDLoc) {
if (getLexer().isNot(AsmToken::EndOfStatement))
return TokError("unexpected token in '.secure_log_reset' directive");
return false;
}
-/// ParseDirectiveSubsectionsViaSymbols
+/// parseDirectiveSubsectionsViaSymbols
/// ::= .subsections_via_symbols
-bool DarwinAsmParser::ParseDirectiveSubsectionsViaSymbols(StringRef, SMLoc) {
+bool DarwinAsmParser::parseDirectiveSubsectionsViaSymbols(StringRef, SMLoc) {
if (getLexer().isNot(AsmToken::EndOfStatement))
return TokError("unexpected token in '.subsections_via_symbols' directive");
/// ParseDirectiveTBSS
/// ::= .tbss identifier, size, align
-bool DarwinAsmParser::ParseDirectiveTBSS(StringRef, SMLoc) {
+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.
- MCSymbol *Sym = getContext().GetOrCreateSymbol(Name);
+ MCSymbol *Sym = getContext().getOrCreateSymbol(Name);
if (getLexer().isNot(AsmToken::Comma))
return TokError("unexpected token in directive");
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;
}
getStreamer().EmitTBSSSymbol(getContext().getMachOSection(
"__DATA", "__thread_bss",
- MCSectionMachO::S_THREAD_LOCAL_ZEROFILL,
+ MachO::S_THREAD_LOCAL_ZEROFILL,
0, SectionKind::getThreadBSS()),
Sym, Size, 1 << Pow2Alignment);
/// ParseDirectiveZerofill
/// ::= .zerofill segname , sectname [, identifier , size_expression [
/// , align_expression ]]
-bool DarwinAsmParser::ParseDirectiveZerofill(StringRef, SMLoc) {
+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");
if (getLexer().is(AsmToken::EndOfStatement)) {
// Create the zerofill section but no symbol
getStreamer().EmitZerofill(getContext().getMachOSection(
- Segment, Section, MCSectionMachO::S_ZEROFILL,
+ Segment, Section, MachO::S_ZEROFILL,
0, SectionKind::getBSS()));
return false;
}
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.
- MCSymbol *Sym = getContext().GetOrCreateSymbol(IDStr);
+ MCSymbol *Sym = getContext().getOrCreateSymbol(IDStr);
if (getLexer().isNot(AsmToken::Comma))
return TokError("unexpected token in directive");
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;
}
//
// FIXME: Arch specific.
getStreamer().EmitZerofill(getContext().getMachOSection(
- Segment, Section, MCSectionMachO::S_ZEROFILL,
+ Segment, Section, MachO::S_ZEROFILL,
0, SectionKind::getBSS()),
Sym, Size, 1 << Pow2Alignment);
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;
+}
+
+/// parseVersionMin
+/// ::= .ios_version_min major,minor[,update]
+/// ::= .macosx_version_min major,minor[,update]
+bool DarwinAsmParser::parseVersionMin(StringRef Directive, SMLoc Loc) {
+ int64_t Major = 0, Minor = 0, Update = 0;
+ int Kind = StringSwitch<int>(Directive)
+ .Case(".watchos_version_min", MCVM_WatchOSVersionMin)
+ .Case(".tvos_version_min", MCVM_TvOSVersionMin)
+ .Case(".ios_version_min", MCVM_IOSVersionMin)
+ .Case(".macosx_version_min", MCVM_OSXVersionMin);
+ // Get the major version number.
+ if (getLexer().isNot(AsmToken::Integer))
+ return TokError("invalid OS major version number");
+ Major = getLexer().getTok().getIntVal();
+ if (Major > 65535 || Major <= 0)
+ return TokError("invalid OS major version number");
+ Lex();
+ if (getLexer().isNot(AsmToken::Comma))
+ return TokError("minor OS version number required, comma expected");
+ Lex();
+ // Get the minor version number.
+ if (getLexer().isNot(AsmToken::Integer))
+ return TokError("invalid OS minor version number");
+ Minor = getLexer().getTok().getIntVal();
+ if (Minor > 255 || Minor < 0)
+ return TokError("invalid OS minor version number");
+ Lex();
+ // Get the update level, if specified
+ if (getLexer().isNot(AsmToken::EndOfStatement)) {
+ if (getLexer().isNot(AsmToken::Comma))
+ return TokError("invalid update specifier, comma expected");
+ Lex();
+ if (getLexer().isNot(AsmToken::Integer))
+ return TokError("invalid OS update number");
+ Update = getLexer().getTok().getIntVal();
+ if (Update > 255 || Update < 0)
+ return TokError("invalid OS update number");
+ Lex();
+ }
+
+ const Triple &T = getContext().getObjectFileInfo()->getTargetTriple();
+ Triple::OSType ExpectedOS = Triple::UnknownOS;
+ switch ((MCVersionMinType)Kind) {
+ case MCVM_WatchOSVersionMin: ExpectedOS = Triple::WatchOS; break;
+ case MCVM_TvOSVersionMin: ExpectedOS = Triple::TvOS; break;
+ case MCVM_IOSVersionMin: ExpectedOS = Triple::IOS; break;
+ case MCVM_OSXVersionMin: ExpectedOS = Triple::MacOSX; break;
+ }
+ if (T.getOS() != ExpectedOS)
+ Warning(Loc, Directive + " should only be used for " +
+ Triple::getOSTypeName(ExpectedOS) + " targets");
+
+ if (LastVersionMinDirective.isValid()) {
+ Warning(Loc, "overriding previous version_min directive");
+ Note(LastVersionMinDirective, "previous definition is here");
+ }
+ LastVersionMinDirective = Loc;
+
+ // We've parsed a correct version specifier, so send it to the streamer.
+ getStreamer().EmitVersionMin((MCVersionMinType)Kind, Major, Minor, Update);
+
+ return false;
+}
+
namespace llvm {
MCAsmParserExtension *createDarwinAsmParser() {
return new DarwinAsmParser;
}
-}
+} // end llvm namespace
projects / oota-llvm.git / blobdiff