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 | |