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