| 1 | // Ensure that operator new/delete are still replaceable using static-libsan. |
|---|
| 2 | |
|---|
| 3 | // FIXME: Weak symbols aren't supported on Windows, although some code in |
|---|
| 4 | // compiler-rt already exists to solve this problem. We should probably define |
|---|
| 5 | // the new/delete interceptors as "weak" using those workarounds as well. |
|---|
| 6 | // UNSUPPORTED: target={{.*windows.*}} |
|---|
| 7 | |
|---|
| 8 | // darwin only supports `shared-libsan`. |
|---|
| 9 | // REQUIRES: asan-static-runtime |
|---|
| 10 | |
|---|
| 11 | // RUN: %clangxx %s -o %t -fsanitize=address -static-libsan && not %run %t 2>&1 | FileCheck %s |
|---|
| 12 | |
|---|
| 13 | #include <cstdio> |
|---|
| 14 | #include <cstdlib> |
|---|
| 15 | #include <new> |
|---|
| 16 | |
|---|
| 17 | void *operator new[](size_t size) { |
|---|
| 18 | fprintf(stderr, "replaced new\n" ); |
|---|
| 19 | return malloc(size); |
|---|
| 20 | } |
|---|
| 21 | |
|---|
| 22 | void operator delete[](void *ptr) noexcept { |
|---|
| 23 | fprintf(stderr, "replaced delete\n" ); |
|---|
| 24 | return free(ptr); |
|---|
| 25 | } |
|---|
| 26 | |
|---|
| 27 | int main(int argc, char **argv) { |
|---|
| 28 | // CHECK: replaced new |
|---|
| 29 | char *x = new char[5]; |
|---|
| 30 | // CHECK: replaced delete |
|---|
| 31 | delete[] x; |
|---|
| 32 | // CHECK: ERROR: AddressSanitizer |
|---|
| 33 | *x = 13; |
|---|
| 34 | return 0; |
|---|
| 35 | } |
|---|
| 36 | |
|---|
