1 // Test -fsanitize-coverage=edge,indirect-call,trace-pc 2 // RUN: %clangxx_asan -O0 -DTRACE_RT %s -o %t-rt.o -c 3 // RUN: %clangxx_asan -O0 -fsanitize-coverage=edge,trace-pc,indirect-calls %s -o %t %t-rt.o 4 // RUN: %run %t 5 #ifdef TRACE_RT 6 int pc_count; 7 void *last_callee; 8 extern "C" void __sanitizer_cov_trace_pc() { 9 pc_count++; 10 } 11 extern "C" void __sanitizer_cov_trace_pc_indir(void *callee) { 12 last_callee = callee; 13 } 14 #else 15 #include <stdio.h> 16 #include <assert.h> 17 extern int pc_count; 18 extern void *last_callee; 19 20 __attribute__((noinline)) void foo() { printf("foo\n"); } 21 __attribute__((noinline)) void bar() { printf("bar\n"); } 22 23 int main(int argc, char **argv) { 24 void (*f)(void) = argc ? foo : bar; 25 int c1 = pc_count; 26 f(); 27 int c2 = pc_count; 28 assert(c1 < c2); 29 assert(last_callee == foo); 30 } 31 #endif 32
