diff options
Diffstat (limited to 'test/asan/TestCases/Posix/coverage-direct-large.cc')
-rw-r--r-- | test/asan/TestCases/Posix/coverage-direct-large.cc | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/test/asan/TestCases/Posix/coverage-direct-large.cc b/test/asan/TestCases/Posix/coverage-direct-large.cc new file mode 100644 index 000000000000..2769172c39ab --- /dev/null +++ b/test/asan/TestCases/Posix/coverage-direct-large.cc @@ -0,0 +1,65 @@ +// 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_OPTIONS=$ASAN_OPTIONS:coverage=1:coverage_direct=0:verbosity=1 %run %t %dynamiclib +// RUN: %sancov print *.sancov >out.txt +// RUN: cd ../.. + +// RUN: mkdir -p %T/coverage-direct-large/direct && cd %T/coverage-direct-large/direct +// RUN: env ASAN_OPTIONS=$ASAN_OPTIONS: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 |