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Prettier ppc disasm.

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This commit is contained in:
Ben Vanik
2013-12-22 13:06:15 -08:00
parent de6dc92663
commit d861ef8aab
11 changed files with 311 additions and 21 deletions
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80
src/alloy/frontend/ppc/ppc_translator.cc
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@@ -82,6 +82,10 @@ int PPCTranslator::Translate(
DumpSource(symbol_info, &string_buffer_);
debug_info->set_source_disasm(string_buffer_.ToString());
string_buffer_.Reset();
DumpSourceJson(symbol_info, &string_buffer_);
debug_info->set_source_json(string_buffer_.ToString());
string_buffer_.Reset();
}
// Emit function.
@@ -134,9 +138,12 @@ void PPCTranslator::DumpSource(
symbol_info->address(), symbol_info->end_address(),
"(symbol name)");
auto blocks = scanner_->FindBlocks(symbol_info);
uint64_t start_address = symbol_info->address();
uint64_t end_address = symbol_info->end_address();
InstrData i;
auto block_it = blocks.begin();
for (uint64_t address = start_address, offset = 0; address <= end_address;
address += 4, offset++) {
i.address = address;
@@ -144,7 +151,13 @@ void PPCTranslator::DumpSource(
// TODO(benvanik): find a way to avoid using the opcode tables.
i.type = GetInstrType(i.code);
// TODO(benvanik): labels and such
// Check labels.
if (block_it != blocks.end() &&
block_it->start_address == address) {
string_buffer->Append(
"%.8X loc_%.8X:\n", address, address);
++block_it;
}
if (!i.type) {
string_buffer->Append("%.8X %.8X ???", address, i.code);
@@ -160,3 +173,68 @@ void PPCTranslator::DumpSource(
string_buffer->Append("\n");
}
}
void PPCTranslator::DumpSourceJson(
runtime::FunctionInfo* symbol_info, StringBuffer* string_buffer) {
Memory* memory = frontend_->memory();
const uint8_t* p = memory->membase();
string_buffer->Append("{\n");
auto blocks = scanner_->FindBlocks(symbol_info);
string_buffer->Append("\"blocks\": [\n");
for (auto it = blocks.begin(); it != blocks.end(); ++it) {
string_buffer->Append("{ \"start\": %u, \"end\": %u }%c",
it->start_address, it->end_address,
(it + 1 != blocks.end()) ? ',' : ' ');
}
string_buffer->Append("],\n");
string_buffer->Append("\"lines\": [\n");
uint64_t start_address = symbol_info->address();
uint64_t end_address = symbol_info->end_address();
InstrData i;
auto block_it = blocks.begin();
for (uint64_t address = start_address, offset = 0; address <= end_address;
address += 4, offset++) {
i.address = address;
i.code = XEGETUINT32BE(p + address);
// TODO(benvanik): find a way to avoid using the opcode tables.
i.type = GetInstrType(i.code);
// Check labels.
if (block_it != blocks.end() &&
block_it->start_address == address) {
if (address != start_address) {
// Whitespace to pad blocks.
string_buffer->Append(
"[\"c\", %u, 0, \"\", \"\"],\n",
address);
}
string_buffer->Append(
"[\"l\", %u, 0, \"loc_%.8X:\", \"\"],\n",
address, address);
++block_it;
}
const char* disasm_str = "";
const char* comment_str = "";
std::string disasm;
if (!i.type) {
disasm_str = "?";
} else if (i.type->disassemble) {
ppc::InstrDisasm d;
i.type->disassemble(i, d);
d.Dump(disasm);
disasm_str = disasm.c_str();
} else {
disasm_str = i.type->name;
}
string_buffer->Append("[\"i\", %u, %u, \" %s\", \"%s\"]%c\n",
address, i.code, disasm_str, comment_str,
(address + 4 <= end_address) ? ',' : ' ');
}
string_buffer->Append("]\n");
string_buffer->Append("}\n");
}