void CJitWindow::Compare(u32 em_address)
{
u8 *xDis = new u8[1<<18];
memset(xDis, 0, 1<<18);
disassembler x64disasm;
x64disasm.set_syntax_intel();
int block_num = jit->GetBlockCache()->GetBlockNumberFromStartAddress(em_address);
if (block_num < 0)
{
for (int i = 0; i < 500; i++)
{
block_num = jit->GetBlockCache()->GetBlockNumberFromStartAddress(em_address - 4 * i);
if (block_num >= 0)
break;
}
if (block_num >= 0)
{
JitBlock *block = jit->GetBlockCache()->GetBlock(block_num);
if (!(block->originalAddress <= em_address &&
block->originalSize + block->originalAddress >= em_address))
block_num = -1;
}
// Do not merge this "if" with the above - block_num changes inside it.
if (block_num < 0)
{
ppc_box->SetValue(_(StringFromFormat("(non-code address: %08x)", em_address)));
x86_box->SetValue(_("(no translation)"));
delete[] xDis;
return;
}
}
JitBlock *block = jit->GetBlockCache()->GetBlock(block_num);
// 800031f0
// == Fill in x86 box
const u8 *code = (const u8 *)jit->GetBlockCache()->GetCompiledCodeFromBlock(block_num);
u64 disasmPtr = (u64)code;
const u8 *end = code + block->codeSize;
char *sptr = (char*)xDis;
int num_x86_instructions = 0;
while ((u8*)disasmPtr < end)
{
disasmPtr += x64disasm.disasm64(disasmPtr, disasmPtr, (u8*)disasmPtr, sptr);
sptr += strlen(sptr);
*sptr++ = 13;
*sptr++ = 10;
num_x86_instructions++;
}
x86_box->SetValue(StrToWxStr((char*)xDis));
// == Fill in ppc box
u32 ppc_addr = block->originalAddress;
PPCAnalyst::CodeBuffer code_buffer(32000);
PPCAnalyst::BlockStats st;
PPCAnalyst::BlockRegStats gpa;
PPCAnalyst::BlockRegStats fpa;
PPCAnalyst::CodeBlock code_block;
PPCAnalyst::PPCAnalyzer analyzer;
code_block.m_stats = &st;
code_block.m_gpa = &gpa;
code_block.m_fpa = &fpa;
if (analyzer.Analyze(ppc_addr, &code_block, &code_buffer, block->codeSize) != 0xFFFFFFFF)
{
sptr = (char*)xDis;
for (u32 i = 0; i < code_block.m_num_instructions; i++)
{
const PPCAnalyst::CodeOp &op = code_buffer.codebuffer[i];
std::string temp = GekkoDisassembler::Disassemble(op.inst.hex, op.address);
sptr += sprintf(sptr, "%08x %s\n", op.address, temp.c_str());
}
// Add stats to the end of the ppc box since it's generally the shortest.
sptr += sprintf(sptr, "\n");
// Add some generic analysis
if (st.isFirstBlockOfFunction)
sptr += sprintf(sptr, "(first block of function)\n");
if (st.isLastBlockOfFunction)
sptr += sprintf(sptr, "(last block of function)\n");
sptr += sprintf(sptr, "%i estimated cycles\n", st.numCycles);
sptr += sprintf(sptr, "Num instr: PPC: %i x86: %i (blowup: %i%%)\n",
code_block.m_num_instructions, num_x86_instructions, 100 * num_x86_instructions / code_block.m_num_instructions - 100);
sptr += sprintf(sptr, "Num bytes: PPC: %i x86: %i (blowup: %i%%)\n",
code_block.m_num_instructions * 4, block->codeSize, 100 * block->codeSize / (4 * code_block.m_num_instructions) - 100);
ppc_box->SetValue(StrToWxStr((char*)xDis));
}
else
{
ppc_box->SetValue(StrToWxStr(StringFromFormat(
"(non-code address: %08x)", em_address)));
x86_box->SetValue("---");
}
delete[] xDis;
}
void CJitWindow::Compare(u32 em_address)
{
// Get host side code disassembly
u32 host_instructions_count = 0;
u32 host_code_size = 0;
std::string host_instructions_disasm;
host_instructions_disasm = DisassembleBlock(m_disassembler.get(), &em_address,
&host_instructions_count, &host_code_size);
x86_box->SetValue(host_instructions_disasm);
// == Fill in ppc box
u32 ppc_addr = em_address;
PPCAnalyst::CodeBuffer code_buffer(32000);
PPCAnalyst::BlockStats st;
PPCAnalyst::BlockRegStats gpa;
PPCAnalyst::BlockRegStats fpa;
PPCAnalyst::CodeBlock code_block;
PPCAnalyst::PPCAnalyzer analyzer;
analyzer.SetOption(PPCAnalyst::PPCAnalyzer::OPTION_CONDITIONAL_CONTINUE);
code_block.m_stats = &st;
code_block.m_gpa = &gpa;
code_block.m_fpa = &fpa;
if (analyzer.Analyze(ppc_addr, &code_block, &code_buffer, 32000) != 0xFFFFFFFF)
{
std::ostringstream ppc_disasm;
for (u32 i = 0; i < code_block.m_num_instructions; i++)
{
const PPCAnalyst::CodeOp& op = code_buffer.codebuffer[i];
std::string opcode = GekkoDisassembler::Disassemble(op.inst.hex, op.address);
ppc_disasm << std::setfill('0') << std::setw(8) << std::hex << op.address;
ppc_disasm << " " << opcode << std::endl;
}
// Add stats to the end of the ppc box since it's generally the shortest.
ppc_disasm << std::dec << std::endl;
// Add some generic analysis
if (st.isFirstBlockOfFunction)
ppc_disasm << "(first block of function)" << std::endl;
if (st.isLastBlockOfFunction)
ppc_disasm << "(last block of function)" << std::endl;
ppc_disasm << st.numCycles << " estimated cycles" << std::endl;
ppc_disasm << "Num instr: PPC: " << code_block.m_num_instructions
<< " x86: " << host_instructions_count << " (blowup: "
<< 100 * host_instructions_count / code_block.m_num_instructions - 100 << "%)"
<< std::endl;
ppc_disasm << "Num bytes: PPC: " << code_block.m_num_instructions * 4
<< " x86: " << host_code_size
<< " (blowup: " << 100 * host_code_size / (4 * code_block.m_num_instructions) - 100
<< "%)" << std::endl;
ppc_box->SetValue(ppc_disasm.str());
}
else
{
ppc_box->SetValue(StringFromFormat("(non-code address: %08x)", em_address));
x86_box->SetValue("---");
}
}