| 1 | /// When the main program doesn't use .eh_frame, the slow unwinder does not work. |
| 2 | /// Test that we can fall back to the fast unwinder. |
| 3 | // RUN: %clangxx -O0 -g1 -fno-exceptions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer %s -o %t |
| 4 | // RUN: llvm-readelf -S %t | FileCheck %s --check-prefix=SEC |
| 5 | // RUN: %run %t 2>&1 | FileCheck %s |
| 6 | |
| 7 | // On android %t is a wrapper python script so llvm-readelf will fail. |
| 8 | // UNSUPPORTED: android |
| 9 | |
| 10 | /// Fast unwinder does not work with Thumb code |
| 11 | // UNSUPPORTED: target={{.*thumb.*}} |
| 12 | |
| 13 | /// No .eh_frame && -g => .debug_frame |
| 14 | // SEC: .debug_frame |
| 15 | |
| 16 | #include <sanitizer/common_interface_defs.h> |
| 17 | #include <vector> |
| 18 | |
| 19 | template <int N> |
| 20 | struct A { |
| 21 | template <class T> |
| 22 | void RecursiveTemplateFunction(const T &t); |
| 23 | }; |
| 24 | |
| 25 | template <int N> |
| 26 | template <class T> |
| 27 | __attribute__((noinline)) void A<N>::RecursiveTemplateFunction(const T &) { |
| 28 | std::vector<T> t; |
| 29 | return A<N - 1>().RecursiveTemplateFunction(t); |
| 30 | } |
| 31 | |
| 32 | template <> |
| 33 | template <class T> |
| 34 | __attribute__((noinline)) void A<0>::RecursiveTemplateFunction(const T &) { |
| 35 | __sanitizer_print_stack_trace(); |
| 36 | } |
| 37 | |
| 38 | int main() { |
| 39 | // CHECK: {{vector<.*vector<.*vector<.*vector<.*vector<}} |
| 40 | A<7>().RecursiveTemplateFunction(0); |
| 41 | } |
| 42 | |