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TheRock/compiler/amd-llvm/compiler-rt/test/asan/TestCases/Posix/coverage.cpp
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

76 lines
2.9 KiB
C++

// RUN:rm -rf %t.dir && mkdir -p %t.dir && cd %t.dir
// RUN: %clangxx_asan -fsanitize-coverage=func,trace-pc-guard -DSHARED %s -shared -o %dynamiclib -fPIC %ld_flags_rpath_so
// RUN: %clangxx_asan -fsanitize-coverage=func,trace-pc-guard %s %ld_flags_rpath_exe -o %t.dir/exe
// RUN: %env_asan_opts=coverage=1:verbosity=1 %run %t.dir/exe 2>&1 | FileCheck %s --check-prefix=CHECK-main
// RUN: %sancov print exe.*sancov 2>&1 | FileCheck %s --check-prefix=CHECK-SANCOV1
// RUN: %env_asan_opts=coverage=1:verbosity=1 %run %t.dir/exe foo 2>&1 | FileCheck %s --check-prefix=CHECK-foo
// RUN: %sancov print exe.*sancov 2>&1 | FileCheck %s --check-prefix=CHECK-SANCOV2
// RUN: %env_asan_opts=coverage=1:verbosity=1 %run %t.dir/exe bar 2>&1 | FileCheck %s --check-prefix=CHECK-bar
// RUN: %sancov print exe.*sancov 2>&1 | FileCheck %s --check-prefix=CHECK-SANCOV2
// RUN: %env_asan_opts=coverage=1:verbosity=1 %run %t.dir/exe foo bar 2>&1 | FileCheck %s --check-prefix=CHECK-foo-bar
// RUN: %sancov print exe.*sancov 2>&1 | FileCheck %s --check-prefix=CHECK-SANCOV2
// RUN: %sancov print libcoverage.*sancov 2>&1 | FileCheck %s --check-prefix=CHECK-SANCOV1
// RUN: %sancov merge exe.*sancov > merged-cov
// RUN: %sancov print merged-cov 2>&1 | FileCheck %s --check-prefix=CHECK-SANCOV2
// RUN: %env_asan_opts=coverage=1:verbosity=1 not %run %t.dir/exe foo bar 4 2>&1 | FileCheck %s --check-prefix=CHECK-report
// RUN: %env_asan_opts=coverage=1:verbosity=1 not %run %t.dir/exe foo bar 4 5 2>&1 | FileCheck %s --check-prefix=CHECK-segv
//
// https://code.google.com/p/address-sanitizer/issues/detail?id=263
// XFAIL: android
// UNSUPPORTED: darwin-remote
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#ifdef SHARED
void bar() { printf("bar\n"); }
#else
__attribute__((noinline))
void foo() { printf("foo\n"); }
extern void bar();
int G[4];
int main(int argc, char **argv) {
fprintf(stderr, "PID: %d\n", getpid());
for (int i = 1; i < argc; i++) {
if (!strcmp(argv[i], "foo"))
foo();
if (!strcmp(argv[i], "bar"))
bar();
}
if (argc == 5) {
static volatile char *zero = 0;
*zero = 0; // SEGV if argc == 5.
}
return G[argc]; // Buffer overflow if argc >= 4.
}
#endif
// CHECK-main: PID: [[PID:[0-9]+]]
// CHECK-main: [[PID]].sancov: 1 PCs written
// CHECK-main-NOT: .so.[[PID]]
//
// CHECK-foo: PID: [[PID:[0-9]+]]
// CHECK-foo: [[PID]].sancov: 2 PCs written
// CHECK-foo-NOT: .so.[[PID]]
//
// CHECK-bar: PID: [[PID:[0-9]+]]
// CHECK-bar-DAG: .so.[[PID]].sancov: 1 PCs written
// CHECK-bar-DAG: [[PID]].sancov: 1 PCs written
//
// CHECK-foo-bar: PID: [[PID:[0-9]+]]
// CHECK-foo-bar-DAG: so.[[PID]].sancov: 1 PCs written
// CHECK-foo-bar-DAG: [[PID]].sancov: 2 PCs written
//
// CHECK-report: AddressSanitizer: global-buffer-overflow
// CHECK-report: PCs written
//
// CHECK-segv: AddressSanitizer: SEGV
// CHECK-segv: PCs written
//
// CHECK-SANCOV1: 1 PCs total
// CHECK-SANCOV2: 2 PCs total