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Rename startFunctionStub to startGVStub since it's also used for GV non-lazy ptr.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58897 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2008-11-08 08:02:53 +00:00
parent 3cc8223a3c
commit ce4a70bd76
8 changed files with 39 additions and 42 deletions
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17
include/llvm/CodeGen/MachineCodeEmitter.h
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@ -75,19 +75,16 @@ public:
///
virtual bool finishFunction(MachineFunction &F) = 0;
/// startFunctionStub - This callback is invoked when the JIT needs the
/// address of a function that has not been code generated yet. The StubSize
/// specifies the total size required by the stub. Stubs are not allowed to
/// have constant pools, the can only use the other emitByte*/emitWord*
/// methods.
/// startGVStub - This callback is invoked when the JIT needs the
/// address of a GV (e.g. function) that has not been code generated yet.
/// The StubSize specifies the total size required by the stub.
///
virtual void startFunctionStub(const GlobalValue* F, unsigned StubSize,
unsigned Alignment = 1) = 0;
virtual void startGVStub(const GlobalValue* GV, unsigned StubSize,
unsigned Alignment = 1) = 0;
/// finishFunctionStub - This callback is invoked to terminate a function
/// stub.
/// finishGVStub - This callback is invoked to terminate a GV stub.
///
virtual void *finishFunctionStub(const GlobalValue* F) = 0;
virtual void *finishGVStub(const GlobalValue* F) = 0;
/// emitByte - This callback is invoked when a byte needs to be written to the
/// output stream.

6
lib/CodeGen/ELFWriter.cpp
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@ -115,12 +115,12 @@ namespace llvm {
/// JIT SPECIFIC FUNCTIONS - DO NOT IMPLEMENT THESE HERE!
void startFunctionStub(const GlobalValue* F, unsigned StubSize,
unsigned Alignment = 1) {
void startGVStub(const GlobalValue* F, unsigned StubSize,
unsigned Alignment = 1) {
assert(0 && "JIT specific function called!");
abort();
}
void *finishFunctionStub(const GlobalValue *F) {
void *finishGVStub(const GlobalValue *F) {
assert(0 && "JIT specific function called!");
abort();
return 0;

6
lib/CodeGen/MachOWriter.cpp
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@ -142,12 +142,12 @@ namespace llvm {
virtual void setModuleInfo(llvm::MachineModuleInfo* MMI) { }
/// JIT SPECIFIC FUNCTIONS - DO NOT IMPLEMENT THESE HERE!
virtual void startFunctionStub(const GlobalValue* F, unsigned StubSize,
unsigned Alignment = 1) {
virtual void startGVStub(const GlobalValue* F, unsigned StubSize,
unsigned Alignment = 1) {
assert(0 && "JIT specific function called!");
abort();
}
virtual void *finishFunctionStub(const GlobalValue* F) {
virtual void *finishGVStub(const GlobalValue* F) {
assert(0 && "JIT specific function called!");
abort();
return 0;

12
lib/ExecutionEngine/JIT/JITEmitter.cpp
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@ -517,9 +517,9 @@ namespace {
void initJumpTableInfo(MachineJumpTableInfo *MJTI);
void emitJumpTableInfo(MachineJumpTableInfo *MJTI);
virtual void startFunctionStub(const GlobalValue* F, unsigned StubSize,
virtual void startGVStub(const GlobalValue* GV, unsigned StubSize,
unsigned Alignment = 1);
virtual void* finishFunctionStub(const GlobalValue *F);
virtual void* finishGVStub(const GlobalValue *GV);
/// allocateSpace - Reserves space in the current block if any, or
/// allocate a new one of the given size.
@ -1121,17 +1121,17 @@ void JITEmitter::emitJumpTableInfo(MachineJumpTableInfo *MJTI) {
}
}
void JITEmitter::startFunctionStub(const GlobalValue* F, unsigned StubSize,
unsigned Alignment) {
void JITEmitter::startGVStub(const GlobalValue* GV, unsigned StubSize,
unsigned Alignment) {
SavedBufferBegin = BufferBegin;
SavedBufferEnd = BufferEnd;
SavedCurBufferPtr = CurBufferPtr;
BufferBegin = CurBufferPtr = MemMgr->allocateStub(F, StubSize, Alignment);
BufferBegin = CurBufferPtr = MemMgr->allocateStub(GV, StubSize, Alignment);
BufferEnd = BufferBegin+StubSize+1;
}
void *JITEmitter::finishFunctionStub(const GlobalValue* F) {
void *JITEmitter::finishGVStub(const GlobalValue* GV) {
NumBytes += getCurrentPCOffset();
// Invalidate the icache if necessary.

10
lib/Target/ARM/ARMJITInfo.cpp
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@ -135,9 +135,9 @@ ARMJITInfo::getLazyResolverFunction(JITCompilerFn F) {
void *ARMJITInfo::emitGlobalValueNonLazyPtr(const GlobalValue *GV, void *Ptr,
MachineCodeEmitter &MCE) {
MCE.startFunctionStub(GV, 4, 4); // FIXME: Rename this.
MCE.startGVStub(GV, 4, 4);
MCE.emitWordLE((intptr_t)Ptr);
return MCE.finishFunctionStub(GV);
return MCE.finishGVStub(GV);
}
void *ARMJITInfo::emitFunctionStub(const Function* F, void *Fn,
@ -148,7 +148,7 @@ void *ARMJITInfo::emitFunctionStub(const Function* F, void *Fn,
if (Fn != (void*)(intptr_t)ARMCompilationCallback) {
// Branch to the corresponding function addr.
// The stub is 8-byte size and 4-aligned.
MCE.startFunctionStub(F, 8, 4);
MCE.startGVStub(F, 8, 4);
MCE.emitWordLE(0xe51ff004); // LDR PC, [PC,#-4]
MCE.emitWordLE(addr); // addr of function
} else {
@ -159,7 +159,7 @@ void *ARMJITInfo::emitFunctionStub(const Function* F, void *Fn,
//
// Branch and link to the compilation callback.
// The stub is 16-byte size and 4-byte aligned.
MCE.startFunctionStub(F, 16, 4);
MCE.startGVStub(F, 16, 4);
// Save LR so the callback can determine which stub called it.
// The compilation callback is responsible for popping this prior
// to returning.
@ -172,7 +172,7 @@ void *ARMJITInfo::emitFunctionStub(const Function* F, void *Fn,
MCE.emitWordLE((intptr_t)ARMCompilationCallback);
}
return MCE.finishFunctionStub(F);
return MCE.finishGVStub(F);
}
intptr_t ARMJITInfo::resolveRelocDestAddr(MachineRelocation *MR) const {

4
lib/Target/Alpha/AlphaJITInfo.cpp
View File

@ -195,13 +195,13 @@ void *AlphaJITInfo::emitFunctionStub(const Function* F, void *Fn,
MachineCodeEmitter &MCE) {
//assert(Fn == AlphaCompilationCallback && "Where are you going?\n");
//Do things in a stupid slow way!
MCE.startFunctionStub(F, 19*4);
MCE.startGVStub(F, 19*4);
void* Addr = (void*)(intptr_t)MCE.getCurrentPCValue();
for (int x = 0; x < 19; ++ x)
MCE.emitWordLE(0);
EmitBranchToAt(Addr, Fn);
DOUT << "Emitting Stub to " << Fn << " at [" << Addr << "]\n";
return MCE.finishFunctionStub(F);
return MCE.finishGVStub(F);
}
TargetJITInfo::LazyResolverFn

8
lib/Target/PowerPC/PPCJITInfo.cpp
View File

@ -335,7 +335,7 @@ void *PPCJITInfo::emitFunctionStub(const Function* F, void *Fn,
// call. The code is the same except for one bit of the last instruction.
if (Fn != (void*)(intptr_t)PPC32CompilationCallback &&
Fn != (void*)(intptr_t)PPC64CompilationCallback) {
MCE.startFunctionStub(F, 7*4);
MCE.startGVStub(F, 7*4);
intptr_t Addr = (intptr_t)MCE.getCurrentPCValue();
MCE.emitWordBE(0);
MCE.emitWordBE(0);
@ -346,10 +346,10 @@ void *PPCJITInfo::emitFunctionStub(const Function* F, void *Fn,
MCE.emitWordBE(0);
EmitBranchToAt(Addr, (intptr_t)Fn, false, is64Bit);
sys::Memory::InvalidateInstructionCache((void*)Addr, 7*4);
return MCE.finishFunctionStub(F);
return MCE.finishGVStub(F);
}
MCE.startFunctionStub(F, 10*4);
MCE.startGVStub(F, 10*4);
intptr_t Addr = (intptr_t)MCE.getCurrentPCValue();
if (is64Bit) {
MCE.emitWordBE(0xf821ffb1); // stdu r1,-80(r1)
@ -374,7 +374,7 @@ void *PPCJITInfo::emitFunctionStub(const Function* F, void *Fn,
MCE.emitWordBE(0);
EmitBranchToAt(BranchAddr, (intptr_t)Fn, true, is64Bit);
sys::Memory::InvalidateInstructionCache((void*)Addr, 10*4);
return MCE.finishFunctionStub(F);
return MCE.finishGVStub(F);
}

18
lib/Target/X86/X86JITInfo.cpp
View File

@ -416,14 +416,14 @@ X86JITInfo::getLazyResolverFunction(JITCompilerFn F) {
void *X86JITInfo::emitGlobalValueNonLazyPtr(const GlobalValue* GV, void *ptr,
MachineCodeEmitter &MCE) {
#if defined (X86_64_JIT)
MCE.startFunctionStub(GV, 8, 8);
MCE.startGVStub(GV, 8, 8);
MCE.emitWordLE((unsigned)(intptr_t)ptr);
MCE.emitWordLE((unsigned)(((intptr_t)ptr) >> 32));
#else
MCE.startFunctionStub(GV, 4, 4);
MCE.startGVStub(GV, 4, 4);
MCE.emitWordLE((intptr_t)ptr);
#endif
return MCE.finishFunctionStub(GV);
return MCE.finishGVStub(GV);
}
void *X86JITInfo::emitFunctionStub(const Function* F, void *Fn,
@ -438,7 +438,7 @@ void *X86JITInfo::emitFunctionStub(const Function* F, void *Fn,
#endif
if (NotCC) {
#if defined (X86_64_JIT)
MCE.startFunctionStub(F, 13, 4);
MCE.startGVStub(F, 13, 4);
MCE.emitByte(0x49); // REX prefix
MCE.emitByte(0xB8+2); // movabsq r10
MCE.emitWordLE((unsigned)(intptr_t)Fn);
@ -447,15 +447,15 @@ void *X86JITInfo::emitFunctionStub(const Function* F, void *Fn,
MCE.emitByte(0xFF); // jmpq *r10
MCE.emitByte(2 | (4 << 3) | (3 << 6));
#else
MCE.startFunctionStub(F, 5, 4);
MCE.startGVStub(F, 5, 4);
MCE.emitByte(0xE9);
MCE.emitWordLE((intptr_t)Fn-MCE.getCurrentPCValue()-4);
#endif
return MCE.finishFunctionStub(F);
return MCE.finishGVStub(F);
}
#if defined (X86_64_JIT)
MCE.startFunctionStub(F, 14, 4);
MCE.startGVStub(F, 14, 4);
MCE.emitByte(0x49); // REX prefix
MCE.emitByte(0xB8+2); // movabsq r10
MCE.emitWordLE((unsigned)(intptr_t)Fn);
@ -464,14 +464,14 @@ void *X86JITInfo::emitFunctionStub(const Function* F, void *Fn,
MCE.emitByte(0xFF); // callq *r10
MCE.emitByte(2 | (2 << 3) | (3 << 6));
#else
MCE.startFunctionStub(F, 6, 4);
MCE.startGVStub(F, 6, 4);
MCE.emitByte(0xE8); // Call with 32 bit pc-rel destination...
MCE.emitWordLE((intptr_t)Fn-MCE.getCurrentPCValue()-4);
#endif
MCE.emitByte(0xCD); // Interrupt - Just a marker identifying the stub!
return MCE.finishFunctionStub(F);
return MCE.finishGVStub(F);
}
/// getPICJumpTableEntry - Returns the value of the jumptable entry for the