85804f7415
Not currently generating instructions, but most of the flow is right up to that point. A lot of work required to refactor the emitter, but wanted to get this checked in.
79 lines
1.8 KiB
C++
79 lines
1.8 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2013 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#include <xenia/cpu/llvmbe/llvm_backend.h>
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#include <llvm/ExecutionEngine/Interpreter.h>
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#include <llvm/ExecutionEngine/JIT.h>
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#include <llvm/IR/LLVMContext.h>
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#include <llvm/IR/Module.h>
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#include <llvm/Support/ManagedStatic.h>
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#include <llvm/Support/TargetSelect.h>
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#include <xenia/cpu/llvmbe/emit.h>
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#include <xenia/cpu/llvmbe/llvm_jit.h>
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using namespace llvm;
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using namespace xe;
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using namespace xe::cpu;
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using namespace xe::cpu::llvmbe;
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namespace {
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void InitializeIfNeeded();
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void CleanupOnShutdown();
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void InitializeIfNeeded() {
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static bool has_initialized = false;
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if (has_initialized) {
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return;
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}
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has_initialized = true;
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LLVMLinkInInterpreter();
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LLVMLinkInJIT();
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InitializeNativeTarget();
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llvm_start_multithreaded();
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llvmbe::RegisterEmitCategoryALU();
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llvmbe::RegisterEmitCategoryControl();
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llvmbe::RegisterEmitCategoryFPU();
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llvmbe::RegisterEmitCategoryMemory();
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atexit(CleanupOnShutdown);
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}
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void CleanupOnShutdown() {
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llvm_shutdown();
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}
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}
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LLVMBackend::LLVMBackend() :
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Backend() {
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InitializeIfNeeded();
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}
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LLVMBackend::~LLVMBackend() {
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}
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CodeUnitBuilder* LLVMBackend::CreateCodeUnitBuilder() {
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return NULL;
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}
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LibraryLoader* LLVMBackend::CreateLibraryLoader() {
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return NULL;
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}
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JIT* LLVMBackend::CreateJIT(xe_memory_ref memory, FunctionTable* fn_table) {
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return new LLVMJIT(memory, fn_table);
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}
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