// Get step current tracing options
// Returns combination of ST_... constants
long get_step_trace_options();
// Set step current tracing options.
// options - combination of ST_... constants
void set_step_trace_options(long options);
#define ST_OVER_DEBUG_SEG 0x01 // step tracing will be disabled when IP is in a debugger segment
#define ST_OVER_LIB_FUNC 0x02 // step tracing will be disabled when IP is in a library function
#define ST_ALREADY_LOGGED 0x04 // step tracing will be disabled when IP is already logged
#define ST_SKIP_LOOPS 0x08 // step tracing will try to skip loops already recorded
#define ST_DIFFERENTIAL 0x10 // tracing: log only new instructions