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
F4(DECL,f)40 F4(DECL, f)
41
42 int main(void) {
43 F4(CALL, f)
44 return 0;
45 }
46