#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/TargetSelect.h"
#include "llvm/Support/system_error.h"
-#include "llvm/Target/Mangler.h"
#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCParser/MCAsmParser.h"
return isTargetMatch(buffer, triplePrefix);
}
-
bool LTOModule::isBitcodeFileForTarget(const char *path,
const char *triplePrefix) {
OwningPtr<MemoryBuffer> buffer;
bool LTOModule::isTargetMatch(MemoryBuffer *buffer, const char *triplePrefix) {
std::string Triple = getBitcodeTargetTriple(buffer, getGlobalContext());
delete buffer;
- return (strncmp(Triple.c_str(), triplePrefix,
- strlen(triplePrefix)) == 0);
+ return strncmp(Triple.c_str(), triplePrefix, strlen(triplePrefix)) == 0;
}
LTOModule::LTOModule(Module *m, TargetMachine *t)
- : _module(m), _target(t)
+ : _module(m), _target(t),
+ _context(*_target->getMCAsmInfo(), *_target->getRegisterInfo(), NULL),
+ _mangler(_context, *_target->getTargetData())
{
}
}
LTOModule *LTOModule::makeLTOModule(int fd, const char *path,
- size_t size,
- std::string &errMsg) {
+ size_t size, std::string &errMsg) {
return makeLTOModule(fd, path, size, size, 0, errMsg);
}
return MemoryBuffer::getMemBuffer(StringRef(startPtr, length), "", false);
}
-
LTOModule *LTOModule::makeLTOModule(const void *mem, size_t length,
std::string &errMsg) {
OwningPtr<MemoryBuffer> buffer(makeBuffer(mem, length));
std::string Triple = m->getTargetTriple();
if (Triple.empty())
- Triple = sys::getHostTriple();
+ Triple = sys::getDefaultTargetTriple();
// find machine architecture for this module
const Target *march = TargetRegistry::lookupTarget(Triple, errMsg);
Features.getDefaultSubtargetFeatures(llvm::Triple(Triple));
std::string FeatureStr = Features.getString();
std::string CPU;
- TargetMachine *target = march->createTargetMachine(Triple, CPU, FeatureStr);
+ TargetOptions Options;
+ TargetMachine *target = march->createTargetMachine(Triple, CPU, FeatureStr,
+ Options);
LTOModule *Ret = new LTOModule(m.take(), target);
- bool Err = Ret->ParseSymbols(errMsg);
- if (Err) {
+ if (Ret->ParseSymbols(errMsg)) {
delete Ret;
return NULL;
}
+
return Ret;
}
-
const char *LTOModule::getTargetTriple() {
return _module->getTargetTriple().c_str();
}
_module->setTargetTriple(triple);
}
-void LTOModule::addDefinedFunctionSymbol(Function *f, Mangler &mangler) {
+void LTOModule::addDefinedFunctionSymbol(Function *f) {
// add to list of defined symbols
- addDefinedSymbol(f, mangler, true);
+ addDefinedSymbol(f, true);
}
// Get string that data pointer points to.
// Parse i386/ppc ObjC class data structure.
void LTOModule::addObjCClass(GlobalVariable *clgv) {
- if (ConstantStruct *c = dyn_cast<ConstantStruct>(clgv->getInitializer())) {
- // second slot in __OBJC,__class is pointer to superclass name
- std::string superclassName;
- if (objcClassNameFromExpression(c->getOperand(1), superclassName)) {
- NameAndAttributes info;
- StringMap<NameAndAttributes>::value_type &entry =
- _undefines.GetOrCreateValue(superclassName);
- if (!entry.getValue().name) {
- const char *symbolName = entry.getKey().data();
- info.name = symbolName;
- info.attributes = LTO_SYMBOL_DEFINITION_UNDEFINED;
- entry.setValue(info);
- }
- }
- // third slot in __OBJC,__class is pointer to class name
- std::string className;
- if (objcClassNameFromExpression(c->getOperand(2), className)) {
- StringSet::value_type &entry =
- _defines.GetOrCreateValue(className);
- entry.setValue(1);
- NameAndAttributes info;
- info.name = entry.getKey().data();
- info.attributes = (lto_symbol_attributes)
- (LTO_SYMBOL_PERMISSIONS_DATA |
- LTO_SYMBOL_DEFINITION_REGULAR |
- LTO_SYMBOL_SCOPE_DEFAULT);
- _symbols.push_back(info);
+ ConstantStruct *c = dyn_cast<ConstantStruct>(clgv->getInitializer());
+ if (!c) return;
+
+ // second slot in __OBJC,__class is pointer to superclass name
+ std::string superclassName;
+ if (objcClassNameFromExpression(c->getOperand(1), superclassName)) {
+ NameAndAttributes info;
+ StringMap<NameAndAttributes>::value_type &entry =
+ _undefines.GetOrCreateValue(superclassName);
+ if (!entry.getValue().name) {
+ const char *symbolName = entry.getKey().data();
+ info.name = symbolName;
+ info.attributes = LTO_SYMBOL_DEFINITION_UNDEFINED;
+ entry.setValue(info);
}
}
+
+ // third slot in __OBJC,__class is pointer to class name
+ std::string className;
+ if (objcClassNameFromExpression(c->getOperand(2), className)) {
+ StringSet::value_type &entry = _defines.GetOrCreateValue(className);
+ entry.setValue(1);
+ NameAndAttributes info;
+ info.name = entry.getKey().data();
+ info.attributes = lto_symbol_attributes(LTO_SYMBOL_PERMISSIONS_DATA |
+ LTO_SYMBOL_DEFINITION_REGULAR |
+ LTO_SYMBOL_SCOPE_DEFAULT);
+ _symbols.push_back(info);
+ }
}
// Parse i386/ppc ObjC category data structure.
void LTOModule::addObjCCategory(GlobalVariable *clgv) {
- if (ConstantStruct *c = dyn_cast<ConstantStruct>(clgv->getInitializer())) {
- // second slot in __OBJC,__category is pointer to target class name
- std::string targetclassName;
- if (objcClassNameFromExpression(c->getOperand(1), targetclassName)) {
- NameAndAttributes info;
+ ConstantStruct *c = dyn_cast<ConstantStruct>(clgv->getInitializer());
+ if (!c) return;
- StringMap<NameAndAttributes>::value_type &entry =
- _undefines.GetOrCreateValue(targetclassName);
+ // second slot in __OBJC,__category is pointer to target class name
+ std::string targetclassName;
+ if (!objcClassNameFromExpression(c->getOperand(1), targetclassName))
+ return;
- if (entry.getValue().name)
- return;
+ NameAndAttributes info;
+ StringMap<NameAndAttributes>::value_type &entry =
+ _undefines.GetOrCreateValue(targetclassName);
- const char *symbolName = entry.getKey().data();
- info.name = symbolName;
- info.attributes = LTO_SYMBOL_DEFINITION_UNDEFINED;
- entry.setValue(info);
- }
- }
+ if (entry.getValue().name)
+ return;
+
+ const char *symbolName = entry.getKey().data();
+ info.name = symbolName;
+ info.attributes = LTO_SYMBOL_DEFINITION_UNDEFINED;
+ entry.setValue(info);
}
// Parse i386/ppc ObjC class list data structure.
void LTOModule::addObjCClassRef(GlobalVariable *clgv) {
std::string targetclassName;
- if (objcClassNameFromExpression(clgv->getInitializer(), targetclassName)) {
- NameAndAttributes info;
+ if (!objcClassNameFromExpression(clgv->getInitializer(), targetclassName))
+ return;
- StringMap<NameAndAttributes>::value_type &entry =
- _undefines.GetOrCreateValue(targetclassName);
- if (entry.getValue().name)
- return;
+ NameAndAttributes info;
+ StringMap<NameAndAttributes>::value_type &entry =
+ _undefines.GetOrCreateValue(targetclassName);
+ if (entry.getValue().name)
+ return;
- const char *symbolName = entry.getKey().data();
- info.name = symbolName;
- info.attributes = LTO_SYMBOL_DEFINITION_UNDEFINED;
- entry.setValue(info);
- }
+ const char *symbolName = entry.getKey().data();
+ info.name = symbolName;
+ info.attributes = LTO_SYMBOL_DEFINITION_UNDEFINED;
+ entry.setValue(info);
}
-void LTOModule::addDefinedDataSymbol(GlobalValue *v, Mangler &mangler) {
+void LTOModule::addDefinedDataSymbol(GlobalValue *v) {
// Add to list of defined symbols.
- addDefinedSymbol(v, mangler, false);
+ addDefinedSymbol(v, false);
// Special case i386/ppc ObjC data structures in magic sections:
// The issue is that the old ObjC object format did some strange
}
}
-
-void LTOModule::addDefinedSymbol(GlobalValue *def, Mangler &mangler,
- bool isFunction) {
+void LTOModule::addDefinedSymbol(GlobalValue *def, bool isFunction) {
// ignore all llvm.* symbols
if (def->getName().startswith("llvm."))
return;
// string is owned by _defines
SmallString<64> Buffer;
- mangler.getNameWithPrefix(Buffer, def, false);
+ _mangler.getNameWithPrefix(Buffer, def, false);
// set alignment part log2() can have rounding errors
uint32_t align = def->getAlignment();
entry.setValue(info);
}
-void LTOModule::addPotentialUndefinedSymbol(GlobalValue *decl,
- Mangler &mangler) {
+void LTOModule::addPotentialUndefinedSymbol(GlobalValue *decl) {
// ignore all llvm.* symbols
if (decl->getName().startswith("llvm."))
return;
return;
SmallString<64> name;
- mangler.getNameWithPrefix(name, decl, false);
+ _mangler.getNameWithPrefix(name, decl, false);
StringMap<NameAndAttributes>::value_type &entry =
_undefines.GetOrCreateValue(name);
entry.setValue(info);
}
-
namespace {
class RecordStreamer : public MCStreamer {
public:
unsigned MaxBytesToEmit) {}
virtual void EmitCodeAlignment(unsigned ByteAlignment,
unsigned MaxBytesToEmit) {}
- virtual void EmitValueToOffset(const MCExpr *Offset,
- unsigned char Value ) {}
+ virtual bool EmitValueToOffset(const MCExpr *Offset,
+ unsigned char Value ) { return false; }
virtual void EmitFileDirective(StringRef Filename) {}
virtual void EmitDwarfAdvanceLineAddr(int64_t LineDelta,
const MCSymbol *LastLabel,
if (Inst.getOperand(i).isExpr())
AddValueSymbols(Inst.getOperand(i).getExpr());
}
- virtual void Finish() {}
+ virtual void FinishImpl() {}
};
}
-bool LTOModule::addAsmGlobalSymbols(MCContext &Context, std::string &errMsg) {
+bool LTOModule::addAsmGlobalSymbols(std::string &errMsg) {
const std::string &inlineAsm = _module->getModuleInlineAsm();
+ if (inlineAsm.empty())
+ return false;
- OwningPtr<RecordStreamer> Streamer(new RecordStreamer(Context));
+ OwningPtr<RecordStreamer> Streamer(new RecordStreamer(_context));
MemoryBuffer *Buffer = MemoryBuffer::getMemBuffer(inlineAsm);
SourceMgr SrcMgr;
SrcMgr.AddNewSourceBuffer(Buffer, SMLoc());
OwningPtr<MCAsmParser> Parser(createMCAsmParser(SrcMgr,
- Context, *Streamer,
+ _context, *Streamer,
*_target->getMCAsmInfo()));
OwningPtr<MCSubtargetInfo> STI(_target->getTarget().
createMCSubtargetInfo(_target->getTargetTriple(),
}
bool LTOModule::ParseSymbols(std::string &errMsg) {
- // Use mangler to add GlobalPrefix to names to match linker names.
- MCContext Context(*_target->getMCAsmInfo(), *_target->getRegisterInfo(),NULL);
- Mangler mangler(Context, *_target->getTargetData());
-
// add functions
for (Module::iterator f = _module->begin(); f != _module->end(); ++f) {
if (isDeclaration(*f))
- addPotentialUndefinedSymbol(f, mangler);
+ addPotentialUndefinedSymbol(f);
else
- addDefinedFunctionSymbol(f, mangler);
+ addDefinedFunctionSymbol(f);
}
// add data
for (Module::global_iterator v = _module->global_begin(),
e = _module->global_end(); v != e; ++v) {
if (isDeclaration(*v))
- addPotentialUndefinedSymbol(v, mangler);
+ addPotentialUndefinedSymbol(v);
else
- addDefinedDataSymbol(v, mangler);
+ addDefinedDataSymbol(v);
}
// add asm globals
- if (addAsmGlobalSymbols(Context, errMsg))
+ if (addAsmGlobalSymbols(errMsg))
return true;
// add aliases
for (Module::alias_iterator i = _module->alias_begin(),
e = _module->alias_end(); i != e; ++i) {
if (isAliasToDeclaration(*i))
- addPotentialUndefinedSymbol(i, mangler);
+ addPotentialUndefinedSymbol(i);
else
- addDefinedDataSymbol(i, mangler);
+ addDefinedDataSymbol(i);
}
// make symbols for all undefines
return false;
}
-
uint32_t LTOModule::getSymbolCount() {
return _symbols.size();
}
-
lto_symbol_attributes LTOModule::getSymbolAttributes(uint32_t index) {
if (index < _symbols.size())
return _symbols[index].attributes;
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