| 1 | // Tests trace pc guard coverage collection. |
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| 2 | |
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| 3 | // REQUIRES: has_sancovcc |
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| 4 | // UNSUPPORTED: ubsan,target={{(powerpc64|s390x|thumb).*}} |
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| 5 | // XFAIL: tsan,darwin |
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| 6 | // XFAIL: android && asan |
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| 7 | |
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| 8 | // RUN: DIR=%t_workdir |
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| 9 | // RUN: CLANG_ARGS="-O0 -fsanitize-coverage=trace-pc-guard" |
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| 10 | // RUN: rm -rf $DIR |
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| 11 | // RUN: mkdir -p $DIR |
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| 12 | // RUN: cd $DIR |
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| 13 | // RUN: %clangxx -DSHARED1 $CLANG_ARGS -shared %s -o %t_1.so -fPIC |
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| 14 | // RUN: %clangxx -DSHARED2 $CLANG_ARGS -shared %s -o %t_2.so -fPIC |
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| 15 | // RUN: %clangxx -DMAIN $CLANG_ARGS %s -o %t %t_1.so %t_2.so |
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| 16 | // RUN: %env_tool_opts=coverage=1 %t 2>&1 | FileCheck %s |
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| 17 | // RUN: %sancovcc -covered-functions -strip_path_prefix=TestCases/ *.sancov \ |
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| 18 | // RUN: %t %t_1.so %t_2.so 2>&1 | \ |
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| 19 | // RUN: FileCheck --check-prefix=CHECK-SANCOV %s |
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| 20 | // RUN: rm -rf $DIR |
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| 21 | |
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| 22 | #include <stdio.h> |
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| 23 | |
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| 24 | extern "C" { |
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| 25 | int bar(); |
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| 26 | int baz(); |
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| 27 | } |
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| 28 | |
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| 29 | #ifdef MAIN |
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| 30 | |
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| 31 | int foo() { |
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| 32 | fprintf(stderr, "foo\n" ); |
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| 33 | return 1; |
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| 34 | } |
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| 35 | |
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| 36 | int main() { |
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| 37 | fprintf(stderr, "main\n" ); |
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| 38 | foo(); |
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| 39 | bar(); |
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| 40 | baz(); |
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| 41 | } |
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| 42 | |
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| 43 | #endif // MAIN |
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| 44 | |
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| 45 | extern "C" { |
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| 46 | |
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| 47 | #ifdef SHARED1 |
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| 48 | int bar() { |
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| 49 | fprintf(stderr, "bar\n" ); |
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| 50 | return 1; |
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| 51 | } |
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| 52 | #endif |
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| 53 | |
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| 54 | #ifdef SHARED2 |
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| 55 | int baz() { |
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| 56 | fprintf(stderr, "baz\n" ); |
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| 57 | return 1; |
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| 58 | } |
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| 59 | #endif |
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| 60 | |
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| 61 | } // extern "C" |
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| 62 | |
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| 63 | // CHECK: main |
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| 64 | // CHECK-NEXT: foo |
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| 65 | // CHECK-NEXT: bar |
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| 66 | // CHECK-NEXT: baz |
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| 67 | // CHECK-DAG: SanitizerCoverage: ./sanitizer_coverage_trace_pc_guard-dso.{{.*}}.sancov: 2 PCs written |
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| 68 | // CHECK-DAG: SanitizerCoverage: ./sanitizer_coverage_trace_pc_guard-dso.{{.*}}_2.so.{{.*}}.sancov: 1 PCs written |
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| 69 | // CHECK-DAG: SanitizerCoverage: ./sanitizer_coverage_trace_pc_guard-dso.{{.*}}_1.so.{{.*}}.sancov: 1 PCs written |
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| 70 | // |
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| 71 | // CHECK-SANCOV: Ignoring {{.*}}_1.so and its coverage because __sanitizer_cov* functions were not found. |
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| 72 | // CHECK-SANCOV: Ignoring {{.*}}_2.so and its coverage because __sanitizer_cov* functions were not found. |
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| 73 | // CHECK-SANCOV-NEXT: sanitizer_coverage_trace_pc_guard-dso.cpp:[[@LINE-42]] foo |
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| 74 | // CHECK-SANCOV-NEXT: sanitizer_coverage_trace_pc_guard-dso.cpp:[[@LINE-38]] main |
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| 75 | |
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