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 5 // RUN: %clangxx_asan -fsanitize-coverage=func -O0 -DSHARED %s -shared -o %dynamiclib -fPIC 6 // RUN: %clangxx_asan -fsanitize-coverage=func -O0 %s %libdl -o %t 7 8 // RUN: rm -rf %T/coverage-direct-large 9 10 // RUN: mkdir -p %T/coverage-direct-large/normal && cd %T/coverage-direct-large/normal 11 // RUN: %env_asan_opts=coverage=1:coverage_direct=0:verbosity=1 %run %t %dynamiclib 12 // RUN: %sancov print *.sancov >out.txt 13 // RUN: cd ../.. 14 15 // RUN: mkdir -p %T/coverage-direct-large/direct && cd %T/coverage-direct-large/direct 16 // RUN: %env_asan_opts=coverage=1:coverage_direct=1:verbosity=1 %run %t %dynamiclib 17 // RUN: %sancov rawunpack *.sancov.raw 18 // RUN: %sancov print *.sancov >out.txt 19 // RUN: cd ../.. 20 21 // RUN: diff -u coverage-direct-large/normal/out.txt coverage-direct-large/direct/out.txt 22 // 23 // XFAIL: android 24 25 #define F0(Q, x) Q(x) 26 #define F1(Q, x) \ 27 F0(Q, x##0) F0(Q, x##1) F0(Q, x##2) F0(Q, x##3) F0(Q, x##4) F0(Q, x##5) \ 28 F0(Q, x##6) F0(Q, x##7) F0(Q, x##8) F0(Q, x##9) 29 #define F2(Q, x) \ 30 F1(Q, x##0) F1(Q, x##1) F1(Q, x##2) F1(Q, x##3) F1(Q, x##4) F1(Q, x##5) \ 31 F1(Q, x##6) F1(Q, x##7) F1(Q, x##8) F1(Q, x##9) 32 #define F3(Q, x) \ 33 F2(Q, x##0) F2(Q, x##1) F2(Q, x##2) F2(Q, x##3) F2(Q, x##4) F2(Q, x##5) \ 34 F2(Q, x##6) F2(Q, x##7) F2(Q, x##8) F2(Q, x##9) 35 #define F4(Q, x) \ 36 F3(Q, x##0) F3(Q, x##1) F3(Q, x##2) F3(Q, x##3) F3(Q, x##4) F3(Q, x##5) \ 37 F3(Q, x##6) F3(Q, x##7) F3(Q, x##8) F3(Q, x##9) 38 39 #define DECL(x) __attribute__((noinline)) static void x() {} 40 #define CALL(x) x(); 41 42 F4(DECL, f) 43 44 #ifdef SHARED 45 extern "C" void so_entry() { 46 F4(CALL, f) 47 } 48 #else 49 50 #include <assert.h> 51 #include <dlfcn.h> 52 #include <stdio.h> 53 int main(int argc, char **argv) { 54 F4(CALL, f) 55 assert(argc > 1); 56 void *handle1 = dlopen(argv[1], RTLD_LAZY); // %dynamiclib 57 assert(handle1); 58 void (*so_entry)() = (void (*)())dlsym(handle1, "so_entry"); 59 assert(so_entry); 60 so_entry(); 61 62 return 0; 63 } 64 65 #endif // SHARED 66
