1 | // Tests trace pc guard coverage collection. |
2 | // |
3 | // REQUIRES: x86_64-linux |
4 | // XFAIL: tsan |
5 | // |
6 | // RUN: DIR=%t_workdir |
7 | // RUN: rm -rf $DIR |
8 | // RUN: mkdir -p $DIR |
9 | // RUN: cd $DIR |
10 | /// In glibc 2.39+, fprintf has a nonnull attribute. Disable nonnull-attribute, |
11 | /// which would increase counters for ubsan. |
12 | // RUN: %clangxx -O0 -fsanitize-coverage=trace-pc-guard -fno-sanitize=nonnull-attribute %s -o %t |
13 | // RUN: %env_tool_opts=coverage=1 %t 2>&1 | FileCheck %s |
14 | // RUN: rm -rf $DIR |
15 | |
16 | #include <stdio.h> |
17 | |
18 | int foo() { |
19 | fprintf(stderr, format: "foo\n" ); |
20 | return 1; |
21 | } |
22 | |
23 | int main() { |
24 | fprintf(stderr, format: "main\n" ); |
25 | foo(); |
26 | foo(); |
27 | } |
28 | |
29 | // CHECK: main |
30 | // CHECK: SanitizerCoverage: ./sanitizer_coverage_symbolize.{{.*}}.sancov: 2 PCs written |
31 | |