| 1 | // -*- C++ -*- |
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| 2 | //===----------------------------------------------------------------------===// |
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| 3 | // |
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| 4 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 5 | // See https://llvm.org/LICENSE.txt for license information. |
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| 6 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 7 | // |
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| 8 | //===----------------------------------------------------------------------===// |
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| 9 | |
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| 10 | // Ensure that functions marked as signal frames are reported as such. |
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| 11 | |
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| 12 | // TODO: Investigate this failure on Apple |
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| 13 | // XFAIL: target={{.+}}-apple-{{.+}} |
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| 14 | |
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| 15 | // TODO: Figure out why this fails with Memory Sanitizer. |
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| 16 | // XFAIL: msan |
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| 17 | |
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| 18 | // UNSUPPORTED: libunwind-arm-ehabi |
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| 19 | |
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| 20 | // The AIX assembler does not support CFI directives, which |
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| 21 | // are necessary to run this test. |
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| 22 | // UNSUPPORTED: target={{.*}}-aix{{.*}} |
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| 23 | |
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| 24 | // Windows doesn't generally use CFI directives. However, i686 |
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| 25 | // mingw targets do use DWARF (where CFI directives are supported). |
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| 26 | // UNSUPPORTED: target={{x86_64|arm.*|aarch64}}-{{.*}}-windows-{{.*}} |
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| 27 | |
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| 28 | #undef NDEBUG |
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| 29 | #include <assert.h> |
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| 30 | #include <stdlib.h> |
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| 31 | #include <libunwind.h> |
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| 32 | |
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| 33 | void test() { |
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| 34 | asm(".cfi_signal_frame" ); |
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| 35 | unw_cursor_t cursor; |
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| 36 | unw_context_t uc; |
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| 37 | unw_getcontext(&uc); |
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| 38 | unw_init_local(&cursor, &uc); |
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| 39 | assert(unw_step(&cursor) > 0); |
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| 40 | assert(unw_is_signal_frame(&cursor)); |
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| 41 | } |
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| 42 | |
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| 43 | int main(int, char**) { |
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| 44 | test(); |
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| 45 | return 0; |
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| 46 | } |
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| 47 | |
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