llvm-project/compiler-rt/test/asan/TestCases/Linux/coverage-direct-large.cc

66 lines
2.2 KiB
C++

// Test for direct coverage writing with lots of data.
// Current implementation maps output file in chunks of 64K. This test overflows
// 1 chunk.
// RUN: %clangxx_asan -fsanitize-coverage=1 -O0 -DSHARED %s -shared -o %T/libcoverage_direct_large_test_1.so -fPIC
// RUN: %clangxx_asan -fsanitize-coverage=1 -O0 -DSO_DIR=\"%T\" %s %libdl -o %t
// RUN: rm -rf %T/coverage-direct-large
// RUN: mkdir -p %T/coverage-direct-large/normal && cd %T/coverage-direct-large/normal
// RUN: ASAN_OPTIONS=coverage=1:coverage_direct=0:verbosity=1 %run %t
// RUN: %sancov print *.sancov >out.txt
// RUN: cd ../..
// RUN: mkdir -p %T/coverage-direct-large/direct && cd %T/coverage-direct-large/direct
// RUN: ASAN_OPTIONS=coverage=1:coverage_direct=1:verbosity=1 %run %t
// RUN: %sancov rawunpack *.sancov.raw
// RUN: %sancov print *.sancov >out.txt
// RUN: cd ../..
// RUN: diff -u coverage-direct-large/normal/out.txt coverage-direct-large/direct/out.txt
//
// XFAIL: android
#define F0(Q, x) Q(x)
#define F1(Q, x) \
F0(Q, x##0) F0(Q, x##1) F0(Q, x##2) F0(Q, x##3) F0(Q, x##4) F0(Q, x##5) \
F0(Q, x##6) F0(Q, x##7) F0(Q, x##8) F0(Q, x##9)
#define F2(Q, x) \
F1(Q, x##0) F1(Q, x##1) F1(Q, x##2) F1(Q, x##3) F1(Q, x##4) F1(Q, x##5) \
F1(Q, x##6) F1(Q, x##7) F1(Q, x##8) F1(Q, x##9)
#define F3(Q, x) \
F2(Q, x##0) F2(Q, x##1) F2(Q, x##2) F2(Q, x##3) F2(Q, x##4) F2(Q, x##5) \
F2(Q, x##6) F2(Q, x##7) F2(Q, x##8) F2(Q, x##9)
#define F4(Q, x) \
F3(Q, x##0) F3(Q, x##1) F3(Q, x##2) F3(Q, x##3) F3(Q, x##4) F3(Q, x##5) \
F3(Q, x##6) F3(Q, x##7) F3(Q, x##8) F3(Q, x##9)
#define DECL(x) __attribute__((noinline)) static void x() {}
#define CALL(x) x();
F4(DECL, f)
#ifdef SHARED
extern "C" void so_entry() {
F4(CALL, f)
}
#else
#include <assert.h>
#include <dlfcn.h>
int main(void) {
F4(CALL, f)
void *handle1 =
dlopen(SO_DIR "/libcoverage_direct_large_test_1.so", RTLD_LAZY);
assert(handle1);
void (*so_entry)() = (void (*)())dlsym(handle1, "so_entry");
assert(so_entry);
so_entry();
return 0;
}
#endif // SHARED