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