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Plumb through the PC value for syscalls, so we can get better diagnostics for unresolved ones.

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This commit is contained in:
Henrik Rydgård
2026-08-15 19:14:13 +02:00
parent ae14ebb6ac
commit 67ddf899ba
23 changed files with 208 additions and 89 deletions
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Core/MIPS/ARM64/Arm64IRCompSystem.cpp
+23 -6
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@@ -219,13 +219,20 @@ void Arm64JitBackend::CompIR_System(IRInst inst) {
// Skip the CallSyscall where possible.
{
MIPSOpcode op(inst.constant);
void *quickFunc = GetQuickSyscallFunc(op);
if (quickFunc) {
MOVP2R(X0, GetSyscallFuncPointer(op));
QuickCallFunction(SCRATCH2_64, (const u8 *)quickFunc);
const HLEFunction *func = GetSyscallFunctionData(op, 0);
if (func) {
void *quickFunc = GetQuickSyscallFunc(func, op);
if (quickFunc) {
MOVP2R(X0, func);
QuickCallFunction(SCRATCH2_64, (const u8 *)quickFunc);
} else {
MOVI2R(W0, inst.constant);
QuickCallFunction(SCRATCH2_64, &CallSyscall);
}
} else {
MOVI2R(W0, inst.constant);
QuickCallFunction(SCRATCH2_64, &CallSyscall);
// Shouldn't get here.
MOVI2R(W0, 0);
QuickCallFunction(SCRATCH2_64, &CallSyscallUnresolvedAtPC);
}
}
#endif
@@ -235,6 +242,16 @@ void Arm64JitBackend::CompIR_System(IRInst inst) {
// This is always followed by an ExitToPC, where we check coreState.
break;
case IROp::SyscallUnresolved:
FlushAll();
SaveStaticRegisters();
WriteDebugProfilerStatus(IRProfilerStatus::SYSCALL);
MOVI2R(W0, inst.constant);
QuickCallFunction(SCRATCH2_64, &CallSyscallUnresolvedAtPC);
WriteDebugProfilerStatus(IRProfilerStatus::IN_JIT);
LoadStaticRegisters();
break;
case IROp::CallReplacement:
FlushAll();
SaveStaticRegisters();