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On Mon, 16 Jun 2008, Gary Benson wrote: > When you genetate code on PowerPC you need to explicitly invalidate > the instruction cache to force the processor to reread it. In LLVM > there is code to do this for function stubs on Macintosh, but not > for other platforms and not for JITted code generally. Applied, thanks!

...#elif defined(__GNUC__) const size_t LineSize = 32; @@ -352,8 +349,6 @@ asm volatile("icbi 0, %0" : : "r"(Line)); asm volatile("isync"); #endif - -#endif } void *PPCJITInfo::emitFunctionStub(const Function* F, void *Fn, @@ -372,7 +367,7 @@ MCE.emitWordBE(0); MCE.emitWordBE(0); EmitBranchToAt(Addr, (intptr_t)Fn, false, is64Bit); - SyncICache((void*)Addr, 7*4); + InvalidateInstructionCache((void*)Addr, 7*4); return MCE.finishFunctionStub(F); } @@ -400,7 +395,7 @@ MCE.emitWordBE(0); MCE.emitWordBE(0); EmitBranchToAt...

Hi everyone, vmkit requires to know the size of a jitted method before emitting the method. This allows to allocate the correct size for the method. The attached patch creates this functionality when the flag SizedMemoryCode is on. In order to implement this functionality, i had to virtualize some MachineCodeEmitter functions. Is it OK to commit the patch? Thanks, Nicolas --------------

Hi all, When you genetate code on PowerPC you need to explicitly invalidate the instruction cache to force the processor to reread it. In LLVM there is code to do this for function stubs on Macintosh, but not for other platforms and not for JITted code generally. The attached patch adds support for GNU platforms, but I can't figure out a nice way to call it for all generated code. Can

...; } >> + virtual void addRelocation(const llvm::MachineRelocation&) { } >> + virtual void emitByte(unsigned char B) { >> + CurBufferPtr++; >> + } >> + virtual void emitWordLE(unsigned W) { >> + CurBufferPtr+=4; >> + } >> + virtual void emitWordBE(unsigned W) { >> + CurBufferPtr+=4; >> + } >> + virtual void emitInt32(int Value) { >> + CurBufferPtr += 4; >> + } >> + virtual void emitInt64(uint64_t Value) { >> + CurBufferPtr += 8; >> + } >> + virtual void emitAt(uintptr_t *A...

...ub(const Function *F) { return 0; } > + virtual void addRelocation(const llvm::MachineRelocation&) { } > + virtual void emitByte(unsigned char B) { > + CurBufferPtr++; > + } > + virtual void emitWordLE(unsigned W) { > + CurBufferPtr+=4; > + } > + virtual void emitWordBE(unsigned W) { > + CurBufferPtr+=4; > + } > + virtual void emitInt32(int Value) { > + CurBufferPtr += 4; > + } > + virtual void emitInt64(uint64_t Value) { > + CurBufferPtr += 8; > + } > + virtual void emitAt(uintptr_t *Addr, uintptr_t Value) { > + } &g...

...addRelocation(const llvm::MachineRelocation&) { } >>> + virtual void emitByte(unsigned char B) { >>> + CurBufferPtr++; >>> + } >>> + virtual void emitWordLE(unsigned W) { >>> + CurBufferPtr+=4; >>> + } >>> + virtual void emitWordBE(unsigned W) { >>> + CurBufferPtr+=4; >>> + } >>> + virtual void emitInt32(int Value) { >>> + CurBufferPtr += 4; >>> + } >>> + virtual void emitInt64(uint64_t Value) { >>> + CurBufferPtr += 8; >>> + } >>>...

...achineRelocation&) { } >>>> + virtual void emitByte(unsigned char B) { >>>> + CurBufferPtr++; >>>> + } >>>> + virtual void emitWordLE(unsigned W) { >>>> + CurBufferPtr+=4; >>>> + } >>>> + virtual void emitWordBE(unsigned W) { >>>> + CurBufferPtr+=4; >>>> + } >>>> + virtual void emitInt32(int Value) { >>>> + CurBufferPtr += 4; >>>> + } >>>> + virtual void emitInt64(uint64_t Value) { >>>> + CurBufferPtr += 8; &g...

...irtual void emitByte(unsigned char B) { >>>>>> + CurBufferPtr++; >>>>>> + } >>>>>> + virtual void emitWordLE(unsigned W) { >>>>>> + CurBufferPtr+=4; >>>>>> + } >>>>>> + virtual void emitWordBE(unsigned W) { >>>>>> + CurBufferPtr+=4; >>>>>> + } >>>>>> + virtual void emitInt32(int Value) { >>>>>> + CurBufferPtr += 4; >>>>>> + } >>>>>> + virtual void emitInt64(uint64_t Valu...

...igned char B) { >>>>>>> + CurBufferPtr++; >>>>>>> + } >>>>>>> + virtual void emitWordLE(unsigned W) { >>>>>>> + CurBufferPtr+=4; >>>>>>> + } >>>>>>> + virtual void emitWordBE(unsigned W) { >>>>>>> + CurBufferPtr+=4; >>>>>>> + } >>>>>>> + virtual void emitInt32(int Value) { >>>>>>> + CurBufferPtr += 4; >>>>>>> + } >>>>>>> + virtual void...

...gt;>>>> + virtual void emitByte(unsigned char B) { >>>>> + CurBufferPtr++; >>>>> + } >>>>> + virtual void emitWordLE(unsigned W) { >>>>> + CurBufferPtr+=4; >>>>> + } >>>>> + virtual void emitWordBE(unsigned W) { >>>>> + CurBufferPtr+=4; >>>>> + } >>>>> + virtual void emitInt32(int Value) { >>>>> + CurBufferPtr += 4; >>>>> + } >>>>> + virtual void emitInt64(uint64_t Value) { >>>>&gt...

...>>>>>> + CurBufferPtr++; >>>>>>>> + } >>>>>>>> + virtual void emitWordLE(unsigned W) { >>>>>>>> + CurBufferPtr+=4; >>>>>>>> + } >>>>>>>> + virtual void emitWordBE(unsigned W) { >>>>>>>> + CurBufferPtr+=4; >>>>>>>> + } >>>>>>>> + virtual void emitInt32(int Value) { >>>>>>>> + CurBufferPtr += 4; >>>>>>>> + } >>>>>>...

...> + CurBufferPtr++; >>>>>>>>> + } >>>>>>>>> + virtual void emitWordLE(unsigned W) { >>>>>>>>> + CurBufferPtr+=4; >>>>>>>>> + } >>>>>>>>> + virtual void emitWordBE(unsigned W) { >>>>>>>>> + CurBufferPtr+=4; >>>>>>>>> + } >>>>>>>>> + virtual void emitInt32(int Value) { >>>>>>>>> + CurBufferPtr += 4; >>>>>>>>> + } >...

...gt; "JIT relocation model must be set to static or default!"); > + > + MCE.setModuleInfo(&getAnalysis<MachineModuleInfo>()); > do { > MovePCtoLROffset = 0; > MCE.startFunction(MF); > @@ -101,6 +108,9 @@ > default: > MCE.emitWordBE(getBinaryCodeForInstr(*I)); > break; > + case TargetInstrInfo::LABEL: > + MCE.EmitLabel(MI.getOperand(0).getImm()); > + break; > case PPC::IMPLICIT_DEF_GPRC: > case PPC::IMPLICIT_DEF_G8RC: > case PPC::IMPLICIT_DEF_F8: > Index: lib/Target/X...

...on model must be set to static or default!"); >> + >> + MCE.setModuleInfo(&getAnalysis<MachineModuleInfo>()); >> do { >> MovePCtoLROffset = 0; >> MCE.startFunction(MF); >> @@ -101,6 +108,9 @@ >> default: >> MCE.emitWordBE(getBinaryCodeForInstr(*I)); >> break; >> + case TargetInstrInfo::LABEL: >> + MCE.EmitLabel(MI.getOperand(0).getImm()); >> + break; >> case PPC::IMPLICIT_DEF_GPRC: >> case PPC::IMPLICIT_DEF_G8RC: >> case PPC::IMPLICIT_DEF_...

Hi everyone, Here's a patch that enables exception handling when jitting. I've copy/pasted _many_code from lib/Codegen/DwarfWriter.cpp, so we may need to factorize it, but the functionality is there and I'm very happy with it :) lli should now be able to execute the output from llvm-gcc when using exceptions (the UnwindInst instruction is not involved in this patch). Just add the

...amp; > "JIT relocation model must be set to static or default!"); > + > + MCE.setModuleInfo(&getAnalysis<MachineModuleInfo>()); > do { > MovePCtoLROffset = 0; > MCE.startFunction(MF); > @@ -101,6 +109,9 @@ > default: > MCE.emitWordBE(getBinaryCodeForInstr(*I)); > break; > + case TargetInstrInfo::LABEL: > + MCE.emitLabel(MI.getOperand(0).getImm()); > + break; > case PPC::IMPLICIT_DEF_GPRC: > case PPC::IMPLICIT_DEF_G8RC: > case PPC::IMPLICIT_DEF_F8: > Index: lib/Target/X86/X...

Dear all, Here's a new patch with Evan's comments (thx Evan!) and some cleanups. Now the (duplicated) exception handling code is in a new file: lib/ExecutionEngine/JIT/JITDwarfEmitter. This patch should work on linux/x86 and linux/ppc (tested). Nicolas -------------- next part -------------- An embedded and charset-unspecified text was scrubbed... Name: jit-exceptions.patch URL: