| 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 | // XFAIL: msvc |
| 6 | |
| 7 | #ifdef TRACE_RT |
| 8 | int pc_count; |
| 9 | void *last_callee; |
| 10 | extern "C"void __sanitizer_cov_trace_pc() { |
| 11 | pc_count++; |
| 12 | } |
| 13 | extern "C"void __sanitizer_cov_trace_pc_indir(void *callee) { |
| 14 | last_callee = callee; |
| 15 | } |
| 16 | #else |
| 17 | # include "defines.h" |
| 18 | # include <assert.h> |
| 19 | # include <stdio.h> |
| 20 | extern int pc_count; |
| 21 | extern void *last_callee; |
| 22 | |
| 23 | ATTRIBUTE_NOINLINE void foo() { printf(format: "foo\n"); } |
| 24 | ATTRIBUTE_NOINLINE void bar() { printf(format: "bar\n"); } |
| 25 | |
| 26 | int main(int argc, char **argv) { |
| 27 | void (*f)(void) = argc ? foo : bar; |
| 28 | int c1 = pc_count; |
| 29 | f(); |
| 30 | int c2 = pc_count; |
| 31 | assert(c1 < c2); |
| 32 | assert(last_callee == foo); |
| 33 | } |
| 34 | #endif |
| 35 |