saulteafarmer/XenonRecomp
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Resort to function calls in switch statements if necessary & print errors for unresolved symbols.

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This commit is contained in:
Skyth 2024-09-18 12:07:50 +03:00
parent e0cb6c7903
commit 618cc75198
1 changed files with 31 additions and 7 deletions
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38
PowerRecomp/main.cpp
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@ -103,7 +103,7 @@ int main()
} }
auto fnSymbol = image.symbols.find(base); auto fnSymbol = image.symbols.find(base);
if (fnSymbol != image.symbols.end() && fnSymbol->type == Symbol_Function) if (fnSymbol != image.symbols.end() && fnSymbol->address == base && fnSymbol->type == Symbol_Function)
{ {
assert(fnSymbol->address == base); assert(fnSymbol->address == base);
@ -183,23 +183,23 @@ int main()
++data; ++data;
if (insn.opcode == nullptr) if (insn.opcode == nullptr)
{ {
println("\t// {:x} {}", base - 4, insn.op_str); println("\t// {}", insn.op_str);
} }
else else
{ {
println("\t// {:x} {} {}", base - 4, insn.opcode->name, insn.op_str); println("\t// {} {}", insn.opcode->name, insn.op_str);
auto printFunctionCall = [&](uint32_t ea) auto printFunctionCall = [&](uint32_t ea)
{ {
auto targetSymbol = image.symbols.find(ea); auto targetSymbol = image.symbols.find(ea);
if (targetSymbol != image.symbols.end() && targetSymbol->type == Symbol_Function) if (targetSymbol != image.symbols.end() && targetSymbol->address == ea && targetSymbol->type == Symbol_Function)
{ {
println("\t{}(ctx, base);", targetSymbol->name); println("\t{}(ctx, base);", targetSymbol->name);
} }
else else
{ {
println("\tctx.fn[0x{:X}](ctx, base);", ea / 4); println("\t// ERROR", ea);
} }
}; };
@ -299,9 +299,33 @@ int main()
println("\tswitch (ctx.r{}.u64) {{", switchTable->second.r); println("\tswitch (ctx.r{}.u64) {{", switchTable->second.r);
for (size_t i = 0; i < switchTable->second.labels.size(); i++) for (size_t i = 0; i < switchTable->second.labels.size(); i++)
println("\t\tcase {}: goto loc_{:X};", i, switchTable->second.labels[i]); {
println("\tcase {}:", i);
auto label = switchTable->second.labels[i];
if (label < fn.base || label >= fn.base + fn.size)
{
auto targetSymbol = image.symbols.find(label);
println("\t\tdefault: __unreachable();"); if (targetSymbol != image.symbols.end() && targetSymbol->address == label && targetSymbol->type == Symbol_Function)
{
println("\t\t{}(ctx, base);", targetSymbol->name);
}
else
{
println("\t\t// ERROR: 0x{:X}", label);
std::println("ERROR: Switch case at {:X} calling a function that has no defined symbol: {:X}", base - 4, label);
}
println("\t\treturn;");
}
else
{
println("\t\tgoto loc_{:X};", label);
}
}
println("\tdefault:");
println("\t\t__unreachable();");
println("\t}}"); println("\t}}");
switchTable = switchTables.end(); switchTable = switchTables.end();