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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128086 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach 2011-03-22 15:21:58 +00:00
parent 026a42b170
commit 8bf0ecdbf6
5 changed files with 46 additions and 46 deletions
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12
lib/ExecutionEngine/JIT/Intercept.cpp
View File

@ -52,8 +52,8 @@ static void runAtExitHandlers() {
#include <sys/stat.h>
#endif
#include <fcntl.h>
/* stat functions are redirecting to __xstat with a version number. On x86-64
* linking with libc_nonshared.a and -Wl,--export-dynamic doesn't make 'stat'
/* stat functions are redirecting to __xstat with a version number. On x86-64
* linking with libc_nonshared.a and -Wl,--export-dynamic doesn't make 'stat'
* available as an exported symbol, so we have to add it explicitly.
*/
namespace {
@ -119,18 +119,18 @@ void *JIT::getPointerToNamedFunction(const std::string &Name,
const char *NameStr = Name.c_str();
// If this is an asm specifier, skip the sentinal.
if (NameStr[0] == 1) ++NameStr;
// If it's an external function, look it up in the process image...
void *Ptr = sys::DynamicLibrary::SearchForAddressOfSymbol(NameStr);
if (Ptr) return Ptr;
// If it wasn't found and if it starts with an underscore ('_') character,
// and has an asm specifier, try again without the underscore.
if (Name[0] == 1 && NameStr[0] == '_') {
Ptr = sys::DynamicLibrary::SearchForAddressOfSymbol(NameStr+1);
if (Ptr) return Ptr;
}
// Darwin/PPC adds $LDBLStub suffixes to various symbols like printf. These
// are references to hidden visibility symbols that dlsym cannot resolve.
// If we have one of these, strip off $LDBLStub and try again.
@ -147,7 +147,7 @@ void *JIT::getPointerToNamedFunction(const std::string &Name,
}
#endif
}
/// If a LazyFunctionCreator is installed, use it to get/create the function.
if (LazyFunctionCreator)
if (void *RP = LazyFunctionCreator(Name))

46
lib/ExecutionEngine/JIT/JITDwarfEmitter.cpp
View File

@ -34,7 +34,7 @@ using namespace llvm;
JITDwarfEmitter::JITDwarfEmitter(JIT& theJit) : MMI(0), Jit(theJit) {}
unsigned char* JITDwarfEmitter::EmitDwarfTable(MachineFunction& F,
unsigned char* JITDwarfEmitter::EmitDwarfTable(MachineFunction& F,
JITCodeEmitter& jce,
unsigned char* StartFunction,
unsigned char* EndFunction,
@ -47,10 +47,10 @@ unsigned char* JITDwarfEmitter::EmitDwarfTable(MachineFunction& F,
RI = TM.getRegisterInfo();
TFI = TM.getFrameLowering();
JCE = &jce;
unsigned char* ExceptionTable = EmitExceptionTable(&F, StartFunction,
EndFunction);
unsigned char* Result = 0;
const std::vector<const Function *> Personalities = MMI->getPersonalities();
@ -63,7 +63,7 @@ unsigned char* JITDwarfEmitter::EmitDwarfTable(MachineFunction& F,
}
void
void
JITDwarfEmitter::EmitFrameMoves(intptr_t BaseLabelPtr,
const std::vector<MachineMove> &Moves) const {
unsigned PointerSize = TD->getPointerSize();
@ -74,26 +74,26 @@ JITDwarfEmitter::EmitFrameMoves(intptr_t BaseLabelPtr,
for (unsigned i = 0, N = Moves.size(); i < N; ++i) {
const MachineMove &Move = Moves[i];
MCSymbol *Label = Move.getLabel();
// Throw out move if the label is invalid.
if (Label && (*JCE->getLabelLocations())[Label] == 0)
continue;
intptr_t LabelPtr = 0;
if (Label) LabelPtr = JCE->getLabelAddress(Label);
const MachineLocation &Dst = Move.getDestination();
const MachineLocation &Src = Move.getSource();
// Advance row if new location.
if (BaseLabelPtr && Label && BaseLabel != Label) {
JCE->emitByte(dwarf::DW_CFA_advance_loc4);
JCE->emitInt32(LabelPtr - BaseLabelPtr);
BaseLabel = Label;
BaseLabel = Label;
BaseLabelPtr = LabelPtr;
}
// If advancing cfa.
if (Dst.isReg() && Dst.getReg() == MachineLocation::VirtualFP) {
if (!Src.isReg()) {
@ -103,7 +103,7 @@ JITDwarfEmitter::EmitFrameMoves(intptr_t BaseLabelPtr,
JCE->emitByte(dwarf::DW_CFA_def_cfa);
JCE->emitULEB128Bytes(RI->getDwarfRegNum(Src.getReg(), true));
}
JCE->emitULEB128Bytes(-Src.getOffset());
} else {
llvm_unreachable("Machine move not supported yet.");
@ -119,7 +119,7 @@ JITDwarfEmitter::EmitFrameMoves(intptr_t BaseLabelPtr,
} else {
unsigned Reg = RI->getDwarfRegNum(Src.getReg(), true);
int Offset = Dst.getOffset() / stackGrowth;
if (Offset < 0) {
JCE->emitByte(dwarf::DW_CFA_offset_extended_sf);
JCE->emitULEB128Bytes(Reg);
@ -382,7 +382,7 @@ unsigned char* JITDwarfEmitter::EmitExceptionTable(MachineFunction* MF,
unsigned TypeOffset = sizeof(int8_t) + // Call site format
// Call-site table length
MCAsmInfo::getULEB128Size(SizeSites) +
MCAsmInfo::getULEB128Size(SizeSites) +
SizeSites + SizeActions + SizeTypes;
// Begin the exception table.
@ -452,7 +452,7 @@ unsigned char* JITDwarfEmitter::EmitExceptionTable(MachineFunction* MF,
// Emit the type ids.
for (unsigned M = TypeInfos.size(); M; --M) {
const GlobalVariable *GV = TypeInfos[M - 1];
if (GV) {
if (TD->getPointerSize() == sizeof(int32_t))
JCE->emitInt32((intptr_t)Jit.getOrEmitGlobalVariable(GV));
@ -484,7 +484,7 @@ JITDwarfEmitter::EmitCommonEHFrame(const Function* Personality) const {
unsigned PointerSize = TD->getPointerSize();
int stackGrowth = stackGrowthDirection == TargetFrameLowering::StackGrowsUp ?
PointerSize : -PointerSize;
unsigned char* StartCommonPtr = (unsigned char*)JCE->getCurrentPCValue();
// EH Common Frame header
JCE->allocateSpace(4, 0);
@ -499,13 +499,13 @@ JITDwarfEmitter::EmitCommonEHFrame(const Function* Personality) const {
if (Personality) {
// Augmentation Size: 3 small ULEBs of one byte each, and the personality
// function which size is PointerSize.
JCE->emitULEB128Bytes(3 + PointerSize);
JCE->emitULEB128Bytes(3 + PointerSize);
// We set the encoding of the personality as direct encoding because we use
// the function pointer. The encoding is not relative because the current
// PC value may be bigger than the personality function pointer.
if (PointerSize == 4) {
JCE->emitByte(dwarf::DW_EH_PE_sdata4);
JCE->emitByte(dwarf::DW_EH_PE_sdata4);
JCE->emitInt32(((intptr_t)Jit.getPointerToGlobal(Personality)));
} else {
JCE->emitByte(dwarf::DW_EH_PE_sdata8);
@ -540,11 +540,11 @@ JITDwarfEmitter::EmitCommonEHFrame(const Function* Personality) const {
unsigned char*
JITDwarfEmitter::EmitEHFrame(const Function* Personality,
unsigned char* StartCommonPtr,
unsigned char* StartFunction,
unsigned char* StartFunction,
unsigned char* EndFunction,
unsigned char* ExceptionTable) const {
unsigned PointerSize = TD->getPointerSize();
// EH frame header.
unsigned char* StartEHPtr = (unsigned char*)JCE->getCurrentPCValue();
JCE->allocateSpace(4, 0);
@ -558,7 +558,7 @@ JITDwarfEmitter::EmitEHFrame(const Function* Personality,
// specific data area in the exception table.
if (Personality) {
JCE->emitULEB128Bytes(PointerSize == 4 ? 4 : 8);
if (PointerSize == 4) {
if (!MMI->getLandingPads().empty())
JCE->emitInt32(ExceptionTable-(unsigned char*)JCE->getCurrentPCValue());
@ -573,7 +573,7 @@ JITDwarfEmitter::EmitEHFrame(const Function* Personality,
} else {
JCE->emitULEB128Bytes(0);
}
// Indicate locations of function specific callee saved registers in
// frame.
EmitFrameMoves((intptr_t)StartFunction, MMI->getFrameMoves());
@ -593,6 +593,6 @@ JITDwarfEmitter::EmitEHFrame(const Function* Personality,
JCE->emitInt32(0);
JCE->emitInt32(0);
}
return StartEHPtr;
}

24
lib/ExecutionEngine/JIT/JITDwarfEmitter.h
View File

@ -35,33 +35,33 @@ class JITDwarfEmitter {
MachineModuleInfo* MMI;
JIT& Jit;
bool stackGrowthDirection;
unsigned char* EmitExceptionTable(MachineFunction* MF,
unsigned char* StartFunction,
unsigned char* StartFunction,
unsigned char* EndFunction) const;
void EmitFrameMoves(intptr_t BaseLabelPtr,
void EmitFrameMoves(intptr_t BaseLabelPtr,
const std::vector<MachineMove> &Moves) const;
unsigned char* EmitCommonEHFrame(const Function* Personality) const;
unsigned char* EmitEHFrame(const Function* Personality,
unsigned char* EmitEHFrame(const Function* Personality,
unsigned char* StartBufferPtr,
unsigned char* StartFunction,
unsigned char* StartFunction,
unsigned char* EndFunction,
unsigned char* ExceptionTable) const;
public:
JITDwarfEmitter(JIT& jit);
unsigned char* EmitDwarfTable(MachineFunction& F,
unsigned char* EmitDwarfTable(MachineFunction& F,
JITCodeEmitter& JCE,
unsigned char* StartFunction,
unsigned char* EndFunction,
unsigned char* &EHFramePtr);
void setModuleInfo(MachineModuleInfo* Info) {
MMI = Info;
}

8
lib/ExecutionEngine/JIT/OProfileJITEventListener.cpp
View File

@ -108,8 +108,8 @@ void OProfileJITEventListener::NotifyFunctionEmitted(
if (op_write_native_code(Agent, F.getName().data(),
reinterpret_cast<uint64_t>(FnStart),
FnStart, FnSize) == -1) {
DEBUG(dbgs() << "Failed to tell OProfile about native function "
<< F.getName() << " at ["
DEBUG(dbgs() << "Failed to tell OProfile about native function "
<< F.getName() << " at ["
<< FnStart << "-" << ((char*)FnStart + FnSize) << "]\n");
return;
}
@ -153,9 +153,9 @@ void OProfileJITEventListener::NotifyFunctionEmitted(
if (op_write_debug_line_info(Agent, FnStart,
LineInfo.size(), &*LineInfo.begin()) == -1) {
DEBUG(dbgs()
DEBUG(dbgs()
<< "Failed to tell OProfile about line numbers for native function "
<< F.getName() << " at ["
<< F.getName() << " at ["
<< FnStart << "-" << ((char*)FnStart + FnSize) << "]\n");
}
}

2
lib/ExecutionEngine/JIT/TargetSelect.cpp
View File

@ -84,7 +84,7 @@ TargetMachine *JIT::selectTarget(Module *Mod,
}
// Allocate a target...
TargetMachine *Target =
TargetMachine *Target =
TheTarget->createTargetMachine(TheTriple.getTriple(), FeaturesStr);
assert(Target && "Could not allocate target machine!");
return Target;