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https://github.com/RPCS3/rpcs3.git
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Print disassembly to log
This commit is contained in:
S Gopal Rajagopal
parent
a029e70863
commit
ccc37b5dc5
2 changed files with 102 additions and 68 deletions
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@ -6,6 +6,7 @@
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#include "llvm/Support/Host.h"
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#include "llvm/Support/ManagedStatic.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/CodeGen/MachineCodeInfo.h"
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#include "llvm/ExecutionEngine/GenericValue.h"
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#include "llvm/IR/Intrinsics.h"
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#include "llvm/Support/Filesystem.h"
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@ -83,8 +84,27 @@ PPULLVMRecompiler::~PPULLVMRecompiler() {
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log_file << i->first << " = " << i->second << "\n";
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}
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log_file << "\nLLVM IR:\n";
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log_file << *m_module;
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std::set<std::pair<u64, u32>> sorted_block_info;
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for (auto i = m_address_to_compiled_block_map.begin(); i != m_address_to_compiled_block_map.end(); i++) {
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sorted_block_info.insert(std::make_pair(~i->second.request_count, i->first));
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}
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log_file << "\nBlock Information:\n";
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for (auto i = sorted_block_info.begin(); i != sorted_block_info.end(); i++) {
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auto j = m_address_to_compiled_block_map.find(i->second);
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log_file << fmt::Format("%s: Size = %u bytes, Times requested = %llu\n", j->second.llvm_function->getName().str().c_str(), j->second.size, j->second.request_count);
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log_file << "\nDisassembly:\n";
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for (size_t pc = 0; pc < j->second.size;) {
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char str[1024];
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auto size = LLVMDisasmInstruction(m_disassembler, (uint8_t *)j->second.block + pc, j->second.size - pc, (uint64_t)((uint8_t *)j->second.block + pc), str, sizeof(str));
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log_file << str << '\n';
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pc += size;
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}
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}
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log_file << "\nLLVM IR:\n" << *m_module;
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LLVMDisasmDispose(m_disassembler);
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delete m_execution_engine;
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@ -93,18 +113,20 @@ PPULLVMRecompiler::~PPULLVMRecompiler() {
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delete m_llvm_context;
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}
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PPULLVMRecompiler::CompiledBlock PPULLVMRecompiler::GetCompiledBlock(u64 address) {
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m_address_to_compiled_block_map_mutex.lock();
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auto i = m_address_to_compiled_block_map.find(address);
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m_address_to_compiled_block_map_mutex.unlock();
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if (i != m_address_to_compiled_block_map.end()) {
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return i->second;
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PPULLVMRecompiler::CompiledBlock PPULLVMRecompiler::GetCompiledBlock(u32 address) {
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{
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std::lock_guard<std::mutex> lock(m_address_to_compiled_block_map_mutex);
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auto i = m_address_to_compiled_block_map.find(address);
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if (i != m_address_to_compiled_block_map.end()) {
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i->second.request_count++;
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return i->second.block;
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}
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}
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m_pending_blocks_set_mutex.lock();
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m_pending_blocks_set.insert(address);
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m_pending_blocks_set_mutex.unlock();
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{
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std::lock_guard<std::mutex> lock(m_pending_blocks_set_mutex);
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m_pending_blocks_set.insert(address);
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}
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if (!IsAlive()) {
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Start();
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@ -121,17 +143,18 @@ void PPULLVMRecompiler::Task() {
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WaitForAnySignal();
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while (!TestDestroy() && !Emu.IsStopped()) {
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u64 address;
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u32 address;
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m_pending_blocks_set_mutex.lock();
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auto i = m_pending_blocks_set.begin();
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m_pending_blocks_set_mutex.unlock();
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{
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std::lock_guard<std::mutex> lock(m_pending_blocks_set_mutex);
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if (i != m_pending_blocks_set.end()) {
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address = *i;
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m_pending_blocks_set.erase(i);
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} else {
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break;
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auto i = m_pending_blocks_set.begin();
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if (i != m_pending_blocks_set.end()) {
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address = *i;
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m_pending_blocks_set.erase(i);
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} else {
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break;
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}
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}
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Compile(address);
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@ -140,6 +163,8 @@ void PPULLVMRecompiler::Task() {
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std::chrono::high_resolution_clock::time_point end = std::chrono::high_resolution_clock::now();
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m_idling_time = std::chrono::duration_cast<std::chrono::duration<double>>(end - start - m_compilation_time);
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LOG_NOTICE(PPU, "Compilation thread exiting.");
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}
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void PPULLVMRecompiler::Decode(const u32 code) {
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@ -2966,18 +2991,10 @@ void PPULLVMRecompiler::UNK(const u32 code, const u32 opcode, const u32 gcode) {
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//InterpreterCall("UNK", &PPUInterpreter::UNK, code, opcode, gcode);
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}
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void PPULLVMRecompiler::Compile(const u64 address) {
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m_address_to_compiled_block_map_mutex.lock();
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auto i = m_address_to_compiled_block_map.find(address);
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m_address_to_compiled_block_map_mutex.unlock();
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if (i != m_address_to_compiled_block_map.end()) {
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return;
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}
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void PPULLVMRecompiler::Compile(u32 address) {
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std::chrono::high_resolution_clock::time_point compilation_start = std::chrono::high_resolution_clock::now();
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auto function_name = fmt::Format("fn_0x%llX", address);
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auto function_name = fmt::Format("fn_0x%X", address);
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m_function = m_module->getFunction(function_name);
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if (!m_function) {
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@ -2994,24 +3011,32 @@ void PPULLVMRecompiler::Compile(const u64 address) {
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auto block = BasicBlock::Create(*m_llvm_context, "start", m_function);
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m_ir_builder->SetInsertPoint(block);
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u64 offset = 0;
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u32 offset = 0;
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m_hit_branch_instruction = false;
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while (!m_hit_branch_instruction) {
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u32 instr = Memory.Read32(address + offset);
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u32 instr = vm::read32(address + offset);
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Decode(instr);
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offset += 4;
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SetPc(m_ir_builder->getInt64(address + offset));
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SetPc(m_ir_builder->getInt32(address + offset));
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}
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m_ir_builder->CreateRetVoid();
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m_fpm->run(*m_function);
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}
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CompiledBlock block = (CompiledBlock)m_execution_engine->getPointerToFunction(m_function);
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m_address_to_compiled_block_map_mutex.lock();
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m_address_to_compiled_block_map[address] = block;
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m_address_to_compiled_block_map_mutex.unlock();
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MachineCodeInfo mci;
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m_execution_engine->runJITOnFunction(m_function, &mci);
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CompiledBlockInfo block_info;
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block_info.block = (CompiledBlock)mci.address();
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block_info.request_count = 0;
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block_info.size = mci.size();
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block_info.llvm_function = m_function;
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{
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std::lock_guard<std::mutex> lock(m_address_to_compiled_block_map_mutex);
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m_address_to_compiled_block_map[address] = block_info;
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}
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}
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std::chrono::high_resolution_clock::time_point compilation_end = std::chrono::high_resolution_clock::now();
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m_compilation_time += std::chrono::duration_cast<std::chrono::duration<double>>(compilation_end - compilation_start);
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@ -3140,14 +3165,14 @@ Value * PPULLVMRecompiler::SetNibble(Value * val, u32 n, Value * b0, Value * b1,
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Value * PPULLVMRecompiler::GetPc() {
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auto pc_i8_ptr = m_ir_builder->CreateConstGEP1_32(GetPPUState(), (unsigned int)offsetof(PPUThread, PC));
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auto pc_i64_ptr = m_ir_builder->CreateBitCast(pc_i8_ptr, m_ir_builder->getInt64Ty()->getPointerTo());
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return m_ir_builder->CreateLoad(pc_i64_ptr);
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auto pc_i32_ptr = m_ir_builder->CreateBitCast(pc_i8_ptr, m_ir_builder->getInt32Ty()->getPointerTo());
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return m_ir_builder->CreateLoad(pc_i32_ptr);
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}
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void PPULLVMRecompiler::SetPc(Value * val_i64) {
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void PPULLVMRecompiler::SetPc(Value * val_i32) {
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auto pc_i8_ptr = m_ir_builder->CreateConstGEP1_32(GetPPUState(), (unsigned int)offsetof(PPUThread, PC));
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auto pc_i64_ptr = m_ir_builder->CreateBitCast(pc_i8_ptr, m_ir_builder->getInt64Ty()->getPointerTo());
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m_ir_builder->CreateStore(val_i64, pc_i64_ptr);
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auto pc_i32_ptr = m_ir_builder->CreateBitCast(pc_i8_ptr, m_ir_builder->getInt32Ty()->getPointerTo());
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m_ir_builder->CreateStore(val_i32, pc_i32_ptr);
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}
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Value * PPULLVMRecompiler::GetGpr(u32 r, u32 num_bits) {
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@ -3386,9 +3411,7 @@ Value * PPULLVMRecompiler::ReadMemory(Value * addr_i64, u32 bits, bool bswap) {
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m_ir_builder->GetInsertBlock()->getParent()->getBasicBlockList().push_back(else_bb);
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m_ir_builder->SetInsertPoint(else_bb);
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auto this_ptr = (Value *)m_ir_builder->getInt64((u64)&Memory);
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this_ptr = m_ir_builder->CreateIntToPtr(this_ptr, this_ptr->getType()->getPointerTo());
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auto val_else_i32 = Call("Read32", &MemoryBase::Read32<u64>, this_ptr, addr_i64);
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auto val_else_i32 = Call<u32>("vm_read32", (u32(*)(u64))vm::read32, addr_i64);
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if (!bswap) {
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val_else_i32 = m_ir_builder->CreateCall(Intrinsic::getDeclaration(m_module, Intrinsic::bswap, {m_ir_builder->getInt32Ty()}), val_else_i32);
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}
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@ -3404,6 +3427,7 @@ Value * PPULLVMRecompiler::ReadMemory(Value * addr_i64, u32 bits, bool bswap) {
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}
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void PPULLVMRecompiler::WriteMemory(Value * addr_i64, Value * val_ix, bool bswap) {
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addr_i64 = m_ir_builder->CreateAnd(addr_i64, 0xFFFFFFFF);
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if (val_ix->getType()->getIntegerBitWidth() != 32) {
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if (val_ix->getType()->getIntegerBitWidth() > 8 && bswap) {
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val_ix = m_ir_builder->CreateCall(Intrinsic::getDeclaration(m_module, Intrinsic::bswap, {val_ix->getType()}), val_ix);
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@ -3420,26 +3444,24 @@ void PPULLVMRecompiler::WriteMemory(Value * addr_i64, Value * val_ix, bool bswap
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m_ir_builder->CreateCondBr(cmp_i1, then_bb, else_bb);
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m_ir_builder->SetInsertPoint(then_bb);
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Value * val_then_ix = val_ix;
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Value * val_then_i32 = val_ix;
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if (bswap) {
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val_then_ix = m_ir_builder->CreateCall(Intrinsic::getDeclaration(m_module, Intrinsic::bswap, {m_ir_builder->getInt32Ty()}), val_then_ix);
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val_then_i32 = m_ir_builder->CreateCall(Intrinsic::getDeclaration(m_module, Intrinsic::bswap, {m_ir_builder->getInt32Ty()}), val_then_i32);
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}
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auto eaddr_i64 = m_ir_builder->CreateAdd(addr_i64, GetBaseAddress());
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auto eaddr_i32_ptr = m_ir_builder->CreateIntToPtr(eaddr_i64, m_ir_builder->getInt32Ty()->getPointerTo());
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m_ir_builder->CreateStore(val_then_ix, eaddr_i32_ptr);
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m_ir_builder->CreateStore(val_then_i32, eaddr_i32_ptr);
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m_ir_builder->CreateBr(merge_bb);
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m_ir_builder->GetInsertBlock()->getParent()->getBasicBlockList().push_back(else_bb);
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m_ir_builder->SetInsertPoint(else_bb);
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Value * val_else_ix = val_ix;
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Value * val_else_i32 = val_ix;
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if (!bswap) {
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val_else_ix = m_ir_builder->CreateCall(Intrinsic::getDeclaration(m_module, Intrinsic::bswap, {m_ir_builder->getInt32Ty()}), val_else_ix);
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val_else_i32 = m_ir_builder->CreateCall(Intrinsic::getDeclaration(m_module, Intrinsic::bswap, {m_ir_builder->getInt32Ty()}), val_else_i32);
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}
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auto this_ptr = (Value *)m_ir_builder->getInt64((u64)&Memory);
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this_ptr = m_ir_builder->CreateIntToPtr(this_ptr, this_ptr->getType()->getPointerTo());
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Call("Write32", &MemoryBase::Write32<u64>, this_ptr, addr_i64, val_else_ix);
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Call<void>("vm_write32", (void(*)(u64, u32))vm::write32, addr_i64, val_else_i32);
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m_ir_builder->CreateBr(merge_bb);
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m_ir_builder->GetInsertBlock()->getParent()->getBasicBlockList().push_back(merge_bb);
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@ -3456,7 +3478,7 @@ Value * PPULLVMRecompiler::InterpreterCall(const char * name, Func function, Arg
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i->second++;
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return Call(name, function, GetInterpreter(), m_ir_builder->getInt32(args)...);
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return Call<void>(name, function, GetInterpreter(), m_ir_builder->getInt32(args)...);
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}
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template<class T>
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@ -3484,10 +3506,8 @@ Type * PPULLVMRecompiler::CppToLlvmType() {
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return nullptr;
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}
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template<class Func, class... Args>
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template<class ReturnType, class Func, class... Args>
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Value * PPULLVMRecompiler::Call(const char * name, Func function, Args... args) {
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typedef std::result_of<Func(Args...)>::type ReturnType;
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auto fn = m_module->getFunction(name);
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if (!fn) {
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std::vector<Type *> fn_args_type = {args->getType()...};
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@ -3537,8 +3557,8 @@ PPULLVMEmulator::~PPULLVMEmulator() {
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}
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}
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u8 PPULLVMEmulator::DecodeMemory(const u64 address) {
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static u64 last_instr_address = 0;
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u8 PPULLVMEmulator::DecodeMemory(const u32 address) {
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static u32 last_instr_address = 0;
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PPULLVMRecompiler::CompiledBlock compiled_block = nullptr;
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if (address != (last_instr_address + 4)) {
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