fabi/Xenia-Canary
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Better handling of invalid/unimplemented instructions.

Browse Source
This commit is contained in:
Ben Vanik
2013-01-25 00:51:56 -08:00
parent dcb958de54
commit ebda245773
3 changed files with 38 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
src/cpu/exec_module.cc
View File

@@ -207,6 +207,11 @@ void XeIndirectBranch(xe_ppc_state_t* state, uint64_t target, uint64_t br_ia) {
XEASSERTALWAYS();
}
void XeInvalidInstruction(xe_ppc_state_t* state, uint32_t cia, uint32_t data) {
// TODO(benvanik): handle better
XELOGCPU("INVALID INSTRUCTION %.8X %.8X", cia, data);
}
void XeTraceKernelCall(xe_ppc_state_t* state, uint64_t cia, uint64_t call_ia) {
// TODO(benvanik): get names
XELOGCPU("TRACE: %.8X -> k.%.8X", (uint32_t)call_ia, (uint32_t)cia);
@@ -261,6 +266,18 @@ int ExecModule::InjectGlobals() {
"XeIndirectBranch");
engine_->addGlobalMapping(gv, (void*)&XeIndirectBranch);
// Debugging methods:
std::vector<Type*> invalidInstructionArgs;
invalidInstructionArgs.push_back(int8PtrTy);
invalidInstructionArgs.push_back(Type::getInt32Ty(context));
invalidInstructionArgs.push_back(Type::getInt32Ty(context));
FunctionType* invalidInstructionTy = FunctionType::get(
Type::getVoidTy(context), invalidInstructionArgs, false);
gv = new GlobalVariable(*gen_module_, invalidInstructionTy, true,
GlobalVariable::ExternalLinkage, 0,
"XeInvalidInstruction");
engine_->addGlobalMapping(gv, (void*)&XeInvalidInstruction);
// Tracing methods:
std::vector<Type*> traceCallArgs;
traceCallArgs.push_back(int8PtrTy);