instrument_cov.c File Reference

Go to the source code of this file.

Functions
void	__sanitizer_cov_trace_pc_guard (uint32_t *guard)
void	__sanitizer_cov_trace_pc_guard_init (uint32_t *start, uint32_t *stop)

Function Documentation

__sanitizer_cov_trace_pc_guard()

void __sanitizer_cov_trace_pc_guard

(

uint32_t *

guard

)

Definition at line 9 of file instrument_cov.c.

                                                     {
  if (guard == NULL || *guard == 0U) {
    return;
  }
 
  asciichat_instr_log_pc((uintptr_t)__builtin_return_address(0));
}

References asciichat_instr_log_pc().

__sanitizer_cov_trace_pc_guard_init()

void __sanitizer_cov_trace_pc_guard_init	(	uint32_t *	start,
		uint32_t *	stop
	)

Definition at line 17 of file instrument_cov.c.

                                                                          {
  if (start == NULL || stop == NULL || start == stop) {
    return;
  }
 
  if (*start != 0U) {
    return;
  }
 
  uint32_t counter = 1U;
  for (uint32_t *it = start; it < stop; ++it) {
    if (*it == 0U) {
      *it = counter++;
    }
  }
}