1// Test for direct coverage writing with lots of data.
2// Current implementation maps output file in chunks of 64K. This test overflows
3// 1 chunk.
4// RUN: %clangxx_asan -mllvm -asan-coverage=1 -O0 %s -o %t
5
6// RUN: rm -rf %T/coverage-direct-large
7
8// RUN: mkdir -p %T/coverage-direct-large/normal && cd %T/coverage-direct-large/normal
9// RUN: ASAN_OPTIONS=coverage=1:coverage_direct=0:verbosity=1 %run %t
10// RUN: %sancov print *.sancov >out.txt
11// RUN: cd ../..
12
13// RUN: mkdir -p %T/coverage-direct-large/direct && cd %T/coverage-direct-large/direct
14// RUN: ASAN_OPTIONS=coverage=1:coverage_direct=1:verbosity=1 %run %t
15// RUN: %sancov rawunpack *.sancov.raw
16// RUN: %sancov print *.sancov >out.txt
17// RUN: cd ../..
18
19// RUN: diff -u coverage-direct-large/normal/out.txt coverage-direct-large/direct/out.txt
20//
21// XFAIL: android
22
23#define F0(Q, x) Q(x)
24#define F1(Q, x)                                                          \
25  F0(Q, x##0) F0(Q, x##1) F0(Q, x##2) F0(Q, x##3) F0(Q, x##4) F0(Q, x##5) \
26      F0(Q, x##6) F0(Q, x##7) F0(Q, x##8) F0(Q, x##9)
27#define F2(Q, x)                                                          \
28  F1(Q, x##0) F1(Q, x##1) F1(Q, x##2) F1(Q, x##3) F1(Q, x##4) F1(Q, x##5) \
29      F1(Q, x##6) F1(Q, x##7) F1(Q, x##8) F1(Q, x##9)
30#define F3(Q, x)                                                          \
31  F2(Q, x##0) F2(Q, x##1) F2(Q, x##2) F2(Q, x##3) F2(Q, x##4) F2(Q, x##5) \
32      F2(Q, x##6) F2(Q, x##7) F2(Q, x##8) F2(Q, x##9)
33#define F4(Q, x)                                                          \
34  F3(Q, x##0) F3(Q, x##1) F3(Q, x##2) F3(Q, x##3) F3(Q, x##4) F3(Q, x##5) \
35      F3(Q, x##6) F3(Q, x##7) F3(Q, x##8) F3(Q, x##9)
36
37#define DECL(x) __attribute__((noinline)) void x() {}
38#define CALL(x) x();
39
40F4(DECL, f)
41
42int main(void) {
43  F4(CALL, f)
44  return 0;
45}
46