1 // Tests the default implementation of callbacks for
2 // -fsanitize-coverage=inline-8bit-counters,pc-table
3
4 // REQUIRES: has_sancovcc,stable-runtime,linux,x86_64-target-arch
5
6 /// In glibc 2.39+, fprintf has a nonnull attribute. Disable nonnull-attribute,
7 /// which would increase counters for ubsan.
8 // RUN: %clangxx -O0 %s -fsanitize-coverage=inline-8bit-counters,pc-table -fno-sanitize=nonnull-attribute -o %t
9 // RUN: rm -f %t-counters %t-pcs
10 // RUN: env %tool_options="cov_8bit_counters_out=%t-counters cov_pcs_out=%t-pcs verbosity=1" %run %t 2>&1 | FileCheck %s
11
12 // Check the file sizes
13 // RUN: wc -c %t-counters | grep "^2 "
14 // RUN: wc -c %t-pcs | grep "^32 "
15
16 #include <stdio.h>
17
foo()18 __attribute__((noinline)) void foo() {}
main()19 int main() {
20 foo();
21 foo();
22 fprintf(stderr, "PASS\n");
23 // CHECK: PASS
24 // CHECK: cov_8bit_counters_out: written {{.*}} bytes to {{.*}}-counter
25 // CHECK: cov_pcs_out: written {{.*}} bytes to {{.*}}-pcs
26 }
27