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102 lines
4.1 KiB
C++
102 lines
4.1 KiB
C++
//===- RecordingMemoryManager.cpp - Recording memory manager --------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This memory manager allocates local storage and keeps a record of each
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// allocation. Iterators are provided for all data and code allocations.
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//
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//===----------------------------------------------------------------------===//
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#include "RecordingMemoryManager.h"
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using namespace llvm;
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uint8_t *RecordingMemoryManager::
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allocateCodeSection(uintptr_t Size, unsigned Alignment, unsigned SectionID) {
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// The recording memory manager is just a local copy of the remote target.
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// The alignment requirement is just stored here for later use. Regular
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// heap storage is sufficient here.
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void *Addr = malloc(Size);
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assert(Addr && "malloc() failure!");
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sys::MemoryBlock Block(Addr, Size);
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AllocatedCodeMem.push_back(Allocation(Block, Alignment));
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return (uint8_t*)Addr;
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}
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uint8_t *RecordingMemoryManager::
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allocateDataSection(uintptr_t Size, unsigned Alignment,
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unsigned SectionID, bool IsReadOnly) {
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// The recording memory manager is just a local copy of the remote target.
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// The alignment requirement is just stored here for later use. Regular
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// heap storage is sufficient here.
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void *Addr = malloc(Size);
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assert(Addr && "malloc() failure!");
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sys::MemoryBlock Block(Addr, Size);
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AllocatedDataMem.push_back(Allocation(Block, Alignment));
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return (uint8_t*)Addr;
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}
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void RecordingMemoryManager::setMemoryWritable() { llvm_unreachable("Unexpected!"); }
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void RecordingMemoryManager::setMemoryExecutable() { llvm_unreachable("Unexpected!"); }
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void RecordingMemoryManager::setPoisonMemory(bool poison) { llvm_unreachable("Unexpected!"); }
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void RecordingMemoryManager::AllocateGOT() { llvm_unreachable("Unexpected!"); }
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uint8_t *RecordingMemoryManager::getGOTBase() const {
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llvm_unreachable("Unexpected!");
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return 0;
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}
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uint8_t *RecordingMemoryManager::startFunctionBody(const Function *F, uintptr_t &ActualSize){
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llvm_unreachable("Unexpected!");
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return 0;
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}
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uint8_t *RecordingMemoryManager::allocateStub(const GlobalValue* F, unsigned StubSize,
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unsigned Alignment) {
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llvm_unreachable("Unexpected!");
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return 0;
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}
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void RecordingMemoryManager::endFunctionBody(const Function *F, uint8_t *FunctionStart,
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uint8_t *FunctionEnd) {
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llvm_unreachable("Unexpected!");
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}
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uint8_t *RecordingMemoryManager::allocateSpace(intptr_t Size, unsigned Alignment) {
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llvm_unreachable("Unexpected!");
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return 0;
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}
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uint8_t *RecordingMemoryManager::allocateGlobal(uintptr_t Size, unsigned Alignment) {
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llvm_unreachable("Unexpected!");
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return 0;
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}
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void RecordingMemoryManager::deallocateFunctionBody(void *Body) {
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llvm_unreachable("Unexpected!");
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}
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uint8_t* RecordingMemoryManager::startExceptionTable(const Function* F, uintptr_t &ActualSize) {
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llvm_unreachable("Unexpected!");
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return 0;
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}
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void RecordingMemoryManager::endExceptionTable(const Function *F, uint8_t *TableStart,
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uint8_t *TableEnd, uint8_t* FrameRegister) {
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llvm_unreachable("Unexpected!");
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}
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void RecordingMemoryManager::deallocateExceptionTable(void *ET) {
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llvm_unreachable("Unexpected!");
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}
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static int jit_noop() {
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return 0;
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}
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void *RecordingMemoryManager::getPointerToNamedFunction(const std::string &Name,
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bool AbortOnFailure) {
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// We should not invoke parent's ctors/dtors from generated main()!
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// On Mingw and Cygwin, the symbol __main is resolved to
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// callee's(eg. tools/lli) one, to invoke wrong duplicated ctors
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// (and register wrong callee's dtors with atexit(3)).
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// We expect ExecutionEngine::runStaticConstructorsDestructors()
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// is called before ExecutionEngine::runFunctionAsMain() is called.
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if (Name == "__main") return (void*)(intptr_t)&jit_noop;
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return NULL;
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}
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