diff options
| -rw-r--r-- | llvm/lib/ExecutionEngine/JIT/Emitter.cpp | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/llvm/lib/ExecutionEngine/JIT/Emitter.cpp b/llvm/lib/ExecutionEngine/JIT/Emitter.cpp index 506da118c59..e6dc706d55f 100644 --- a/llvm/lib/ExecutionEngine/JIT/Emitter.cpp +++ b/llvm/lib/ExecutionEngine/JIT/Emitter.cpp @@ -11,14 +11,13 @@ #include "llvm/CodeGen/MachineFunction.h" #include "llvm/CodeGen/MachineConstantPool.h" #include "llvm/Target/TargetData.h" -#include "llvm/Function.h" +#include "llvm/Module.h" #include "Support/Statistic.h" #include <stdio.h> -static VM *TheVM = 0; - namespace { Statistic<> NumBytes("jello", "Number of bytes of machine code compiled"); + VM *TheVM = 0; class Emitter : public MachineCodeEmitter { // CurBlock - The start of the current block of memory. CurByte - The @@ -186,3 +185,16 @@ uint64_t Emitter::forceCompilationOf(Function *F) { return (intptr_t)TheVM->getPointerToFunction(F); } +// getPointerToNamedFunction - This function is used as a global wrapper to +// VM::getPointerToNamedFunction for the purpose of resolving symbols when +// bugpoint is debugging the JIT. In that scenario, we are loading an .so and +// need to resolve function(s) that are being mis-codegenerated, so we need to +// resolve their addresses at runtime, and this is the way to do it. +extern "C" { + void *getPointerToNamedFunction(const char *Name) { + Module &M = TheVM->getModule(); + if (Function *F = M.getNamedFunction(Name)) + return TheVM->getPointerToFunction(F); + return TheVM->getPointerToNamedFunction(Name); + } +} |
