dynarmic/src/frontend/ir/basic_block.cpp

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/* This file is part of the dynarmic project.
* Copyright (c) 2016 MerryMage
* This software may be used and distributed according to the terms of the GNU
* General Public License version 2 or any later version.
*/
#include <map>
#include <string>
#include "common/string_util.h"
#include "frontend/ir/basic_block.h"
namespace Dynarmic {
namespace IR {
std::string DumpBlock(const IR::Block& block) {
std::string ret;
const auto loc_to_string = [](Arm::LocationDescriptor loc) -> std::string {
return Common::StringFromFormat("{%u,%s,%s,%u}",
loc.PC(),
loc.TFlag() ? "T" : "!T",
loc.EFlag() ? "E" : "!E",
loc.FPSCR());
};
ret += Common::StringFromFormat("Block: location=%s\n", loc_to_string(block.location).c_str());
ret += Common::StringFromFormat("cycles=%zu", block.cycle_count);
ret += Common::StringFromFormat(", entry_cond=%s", Arm::CondToString(block.cond, true));
if (block.cond != Arm::Cond::AL) {
ret += Common::StringFromFormat(", cond_fail=%s", loc_to_string(block.cond_failed.get()).c_str());
}
ret += "\n";
std::map<const IR::Inst*, size_t> inst_to_index;
size_t index = 0;
const auto arg_to_string = [&inst_to_index](const IR::Value& arg) -> std::string {
if (arg.IsEmpty()) {
return "<null>";
} else if (!arg.IsImmediate()) {
return Common::StringFromFormat("%%%zu", inst_to_index.at(arg.GetInst()));
}
switch (arg.GetType()) {
case Type::U1:
return Common::StringFromFormat("#%s", arg.GetU1() ? "1" : "0");
case Type::U8:
return Common::StringFromFormat("#%u", arg.GetU8());
case Type::U32:
return Common::StringFromFormat("#%#x", arg.GetU32());
case Type::RegRef:
return Arm::RegToString(arg.GetRegRef());
case Type::ExtRegRef:
return Arm::ExtRegToString(arg.GetExtRegRef());
default:
return "<unknown immediate type>";
}
};
for (auto inst = block.instructions.begin(); inst != block.instructions.end(); ++inst) {
const Opcode op = inst->GetOpcode();
if (GetTypeOf(op) != Type::Void) {
ret += Common::StringFromFormat("%%%-5zu = ", index);
} else {
ret += " "; // '%00000 = ' -> 1 + 5 + 3 = 9 spaces
}
ret += GetNameOf(op);
const size_t arg_count = GetNumArgsOf(op);
for (size_t arg_index = 0; arg_index < arg_count; arg_index++) {
ret += arg_index != 0 ? ", " : " ";
ret += arg_to_string(inst->GetArg(arg_index));
}
ret += "\n";
inst_to_index[&*inst] = index++;
}
return ret;
}
} // namespace IR
} // namespace Dynarmic