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Handle setjmp/longjmp explicitly.

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This commit is contained in:
Skyth 2024-09-24 14:48:15 +03:00
parent 4453d56df0
commit 954d11c65e
3 changed files with 25 additions and 5 deletions
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25
PowerRecomp/recompiler.cpp
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@ -35,17 +35,32 @@ bool Recompiler::Recompile(const Function& fn, uint32_t base, const ppc_insn& in
{
println("\t// {} {}", insn.opcode->name, insn.op_str);
bool printedJmpEnv = false;
auto printFunctionCall = [&](uint32_t ea)
{
auto targetSymbol = image.symbols.find(ea);
if (targetSymbol != image.symbols.end() && targetSymbol->address == ea && targetSymbol->type == Symbol_Function)
if (ea == longJmpAddress)
{
println("\t{}(ctx, base);", targetSymbol->name);
println("\tlongjmp(*reinterpret_cast<jmp_buf*>(base + ctx.r3.u32), ctx.r4.s32);");
}
else if (ea == setJmpAddress)
{
println("\tenv = ctx;");
println("\tctx.r3.s64 = setjmp(*reinterpret_cast<jmp_buf*>(base + ctx.r3.u32));");
println("\tif (ctx.r3.s64 != 0) ctx = env;");
}
else
{
println("\t// ERROR", ea);
auto targetSymbol = image.symbols.find(ea);
if (targetSymbol != image.symbols.end() && targetSymbol->address == ea && targetSymbol->type == Symbol_Function)
{
println("\t{}(ctx, base);", targetSymbol->name);
}
else
{
println("\t// ERROR", ea);
}
}
};

2
PowerRecomp/recompiler.h
View File

@ -15,6 +15,8 @@ struct Recompiler
std::string out;
size_t cppFileIndex = 0;
std::vector<uint8_t> temp;
uint32_t setJmpAddress = 0;
uint32_t longJmpAddress = 0;
void LoadSwitchTables(const char* filePath);
void LoadExecutable(const char* filePath);

3
PowerRecomp/swa_recompiler.cpp
View File

@ -191,4 +191,7 @@ void SWARecompiler::Analyse()
}
std::sort(functions.begin(), functions.end(), [](auto& lhs, auto& rhs) { return lhs.base < rhs.base; });
setJmpAddress = 0x831B6AB0;
longJmpAddress = 0x831B6790;
}