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// Tests trace pc guard coverage collection.
// REQUIRES: has_sancovcc,stable-runtime
// UNSUPPORTED: ubsan
// XFAIL: tsan,darwin,powerpc64,s390x,mips
// XFAIL: android && asan
// RUN: DIR=%t_workdir
// RUN: CLANG_ARGS="-O0 -fsanitize-coverage=trace-pc-guard"
// RUN: rm -rf $DIR
// RUN: mkdir -p $DIR
// RUN: cd $DIR
// RUN: %clangxx -DSHARED1 $CLANG_ARGS -shared %s -o %t_1.so -fPIC
// RUN: %clangxx -DSHARED2 $CLANG_ARGS -shared %s -o %t_2.so -fPIC
// RUN: %clangxx -DMAIN $CLANG_ARGS %s -o %t %t_1.so %t_2.so
// RUN: %env_tool_opts=coverage=1 %t 2>&1 | FileCheck %s
// RUN: %sancovcc -covered-functions -strip_path_prefix=TestCases/ *.sancov \
// RUN: %t %t_1.so %t_2.so 2>&1 | \
// RUN: FileCheck --check-prefix=CHECK-SANCOV %s
// RUN: rm -rf $DIR
#include <stdio.h>
extern "C" {
int bar();
int baz();
}
#ifdef MAIN
int foo() {
fprintf(stderr, "foo\n");
return 1;
}
int main() {
fprintf(stderr, "main\n");
foo();
bar();
baz();
}
#endif // MAIN
extern "C" {
#ifdef SHARED1
int bar() {
fprintf(stderr, "bar\n");
return 1;
}
#endif
#ifdef SHARED2
int baz() {
fprintf(stderr, "baz\n");
return 1;
}
#endif
} // extern "C"
// CHECK: main
// CHECK-NEXT: foo
// CHECK-NEXT: bar
// CHECK-NEXT: baz
// CHECK-DAG: SanitizerCoverage: ./sanitizer_coverage_trace_pc_guard-dso.{{.*}}.sancov: 2 PCs written
// CHECK-DAG: SanitizerCoverage: ./sanitizer_coverage_trace_pc_guard-dso.{{.*}}_2.so.{{.*}}.sancov: 1 PCs written
// CHECK-DAG: SanitizerCoverage: ./sanitizer_coverage_trace_pc_guard-dso.{{.*}}_1.so.{{.*}}.sancov: 1 PCs written
//
// CHECK-SANCOV: Ignoring {{.*}}_1.so and its coverage because __sanitizer_cov* functions were not found.
// CHECK-SANCOV: Ignoring {{.*}}_2.so and its coverage because __sanitizer_cov* functions were not found.
// CHECK-SANCOV-NEXT: sanitizer_coverage_trace_pc_guard-dso.cc:[[@LINE-42]] foo
// CHECK-SANCOV-NEXT: sanitizer_coverage_trace_pc_guard-dso.cc:[[@LINE-38]] main
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