| 1 | // RUN: %clangxx_hwasan -O0 %s -o %t && %run %t |
| 2 | |
| 3 | #include <assert.h> |
| 4 | #include <memory> |
| 5 | #include <sanitizer/hwasan_interface.h> |
| 6 | #include <set> |
| 7 | #include <stdio.h> |
| 8 | |
| 9 | int main() { |
| 10 | auto p = std::make_unique<char>(); |
| 11 | std::set<void *> ptrs; |
| 12 | for (unsigned i = 0;; ++i) { |
| 13 | void *ptr = __hwasan_tag_pointer(p.get(), i); |
| 14 | if (!ptrs.insert(ptr).second) |
| 15 | break; |
| 16 | fprintf(stderr, "%p, %u, %u\n" , ptr, i, __hwasan_get_tag_from_pointer(ptr)); |
| 17 | assert(__hwasan_get_tag_from_pointer(ptr) == i); |
| 18 | } |
| 19 | #ifdef __x86_64__ |
| 20 | assert(ptrs.size() == 8 || ptrs.size() == 64); |
| 21 | #else |
| 22 | assert(ptrs.size() == 256); |
| 23 | #endif |
| 24 | } |
| 25 | |