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fuzz_arm: Dump state when exception is thrown

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This commit is contained in:
MerryMage 2017-02-25 11:21:08 +00:00
parent 517fe0f18e
commit 2449468ede
1 changed files with 14 additions and 3 deletions
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17
tests/arm/fuzz_arm.cpp
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@ -239,9 +239,10 @@ void FuzzJitArm(const size_t instruction_count, const size_t instructions_to_exe
// Run interpreter // Run interpreter
write_records.clear(); write_records.clear();
std::vector<WriteRecord> interp_write_records;
interp.NumInstrsToExecute = static_cast<unsigned>(instructions_to_execute_count); interp.NumInstrsToExecute = static_cast<unsigned>(instructions_to_execute_count);
InterpreterMainLoop(&interp); InterpreterMainLoop(&interp);
auto interp_write_records = write_records; interp_write_records = write_records;
{ {
bool T = Dynarmic::Common::Bit<5>(interp.Cpsr); bool T = Dynarmic::Common::Bit<5>(interp.Cpsr);
interp.Reg[15] &= T ? 0xFFFFFFFE : 0xFFFFFFFC; interp.Reg[15] &= T ? 0xFFFFFFFE : 0xFFFFFFFC;
@ -249,13 +250,21 @@ void FuzzJitArm(const size_t instruction_count, const size_t instructions_to_exe
// Run jit // Run jit
write_records.clear(); write_records.clear();
jit.Run(static_cast<unsigned>(instructions_to_execute_count)); std::vector<WriteRecord> jit_write_records;
auto jit_write_records = write_records; try {
jit.Run(static_cast<unsigned>(instructions_to_execute_count));
jit_write_records = write_records;
} catch (...) {
printf("Caught something!\n");
goto dump_state;
}
// Compare // Compare
if (!DoesBehaviorMatch(interp, jit, interp_write_records, jit_write_records)) { if (!DoesBehaviorMatch(interp, jit, interp_write_records, jit_write_records)) {
printf("Failed at execution number %zu\n", run_number); printf("Failed at execution number %zu\n", run_number);
dump_state:
printf("\nInstruction Listing: \n"); printf("\nInstruction Listing: \n");
for (size_t i = 0; i < instruction_count; i++) { for (size_t i = 0; i < instruction_count; i++) {
printf("%x: %s\n", code_mem[i], Dynarmic::Arm::DisassembleArm(code_mem[i]).c_str()); printf("%x: %s\n", code_mem[i], Dynarmic::Arm::DisassembleArm(code_mem[i]).c_str());
@ -306,6 +315,8 @@ void FuzzJitArm(const size_t instruction_count, const size_t instructions_to_exe
num_insts += ir_block.CycleCount(); num_insts += ir_block.CycleCount();
} }
fflush(stdout);
#ifdef _MSC_VER #ifdef _MSC_VER
__debugbreak(); __debugbreak();
#endif #endif