91 lines
2.5 KiB
C++
91 lines
2.5 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 <alloy/frontend/ppc/ppc_frontend.h>
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#include <alloy/frontend/ppc/ppc_context.h>
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#include <alloy/frontend/ppc/ppc_disasm.h>
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#include <alloy/frontend/ppc/ppc_emit.h>
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#include <alloy/frontend/ppc/ppc_translator.h>
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namespace alloy {
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namespace frontend {
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namespace ppc {
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using alloy::runtime::Function;
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using alloy::runtime::FunctionInfo;
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using alloy::runtime::Runtime;
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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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RegisterEmitCategoryAltivec();
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RegisterEmitCategoryALU();
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RegisterEmitCategoryControl();
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RegisterEmitCategoryFPU();
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RegisterEmitCategoryMemory();
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atexit(CleanupOnShutdown);
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}
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void CleanupOnShutdown() {}
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PPCFrontend::PPCFrontend(Runtime* runtime) : Frontend(runtime) {
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InitializeIfNeeded();
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std::unique_ptr<ContextInfo> context_info(
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new ContextInfo(sizeof(PPCContext), offsetof(PPCContext, thread_state)));
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// Add fields/etc.
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context_info_ = std::move(context_info);
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}
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PPCFrontend::~PPCFrontend() {
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// Force cleanup now before we deinit.
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translator_pool_.Reset();
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}
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int PPCFrontend::Initialize() {
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int result = Frontend::Initialize();
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if (result) {
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return result;
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}
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return result;
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}
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int PPCFrontend::DeclareFunction(FunctionInfo* symbol_info) {
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// Could scan or something here.
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// Could also check to see if it's a well-known function type and classify
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// for later.
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// Could also kick off a precompiler, since we know it's likely the function
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// will be demanded soon.
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return 0;
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}
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int PPCFrontend::DefineFunction(FunctionInfo* symbol_info,
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uint32_t debug_info_flags,
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Function** out_function) {
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PPCTranslator* translator = translator_pool_.Allocate(this);
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int result =
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translator->Translate(symbol_info, debug_info_flags, out_function);
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translator_pool_.Release(translator);
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return result;
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}
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} // namespace ppc
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} // namespace frontend
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} // namespace alloy
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