blob: 367a5667a711ff0fa6f7d8b987ce84feb4f0054b [file] [log] [blame]
// 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=func -O0 -DSHARED %s -shared -o %dynamiclib -fPIC
// RUN: %clangxx_asan -fsanitize-coverage=func -O0 %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: %env_asan_opts=coverage=1:coverage_direct=0:verbosity=1 %run %t %dynamiclib
// RUN: %sancov print *.sancov >out.txt
// RUN: cd ../..
// RUN: mkdir -p %T/coverage-direct-large/direct && cd %T/coverage-direct-large/direct
// RUN: %env_asan_opts=coverage=1:coverage_direct=1:verbosity=1 %run %t %dynamiclib
// 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>
#include <stdio.h>
int main(int argc, char **argv) {
F4(CALL, f)
assert(argc > 1);
void *handle1 = dlopen(argv[1], RTLD_LAZY); // %dynamiclib
assert(handle1);
void (*so_entry)() = (void (*)())dlsym(handle1, "so_entry");
assert(so_entry);
so_entry();
return 0;
}
#endif // SHARED