void MemoryTracer::onCustomInstruction(S2EExecutionState* state, uint64_t opcode)
{
if (!OPCODE_CHECK(opcode, MEMORY_TRACER_OPCODE)) {
return;
}
//XXX: remove this mess. Should have a function for extracting
//info from opcodes.
opcode >>= 16;
uint8_t op = opcode & 0xFF;
opcode >>= 8;
MemoryTracerOpcodes opc = (MemoryTracerOpcodes)op;
switch(opc) {
case Enable:
enableTracing();
break;
case Disable:
disableTracing();
break;
default:
s2e()->getWarningsStream() << "MemoryTracer: unsupported opcode " << hexval(opc) << '\n';
break;
}
}
XDEBUG_NOTIMPLEMENTED
static Variant HHVM_FUNCTION(xdebug_stop_trace) {
if (!XDEBUG_GLOBAL(ProfilerAttached)) {
return false;
}
auto profiler = xdebug_profiler();
if (!profiler->isTracing()) {
return false;
}
// End with xdebug_stop_trace()
profiler->endFrame(init_null().asTypedValue(), nullptr, false);
auto filename = profiler->getTracingFilename();
profiler->disableTracing();
detach_xdebug_profiler_if_needed();
return filename;
}
void MemoryTracer::onCustomInstruction(S2EExecutionState* state, uint64_t opcode)
{
if (!OPCODE_CHECK(opcode, MEMORY_TRACER_OPCODE)) {
return;
}
uint64_t subfunction = OPCODE_GETSUBFUNCTION(opcode);
MemoryTracerOpcodes opc = (MemoryTracerOpcodes)subfunction;
switch(opc) {
case Enable:
enableTracing();
break;
case Disable:
disableTracing();
break;
default:
s2e()->getWarningsStream() << "MemoryTracer: unsupported opcode " << hexval(opc) << '\n';
break;
}
}