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Diffstat (limited to 'tests/stack_unwinding_test_impl.c')
-rw-r--r-- | tests/stack_unwinding_test_impl.c | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/tests/stack_unwinding_test_impl.c b/tests/stack_unwinding_test_impl.c deleted file mode 100644 index 7518a2c..0000000 --- a/tests/stack_unwinding_test_impl.c +++ /dev/null @@ -1,69 +0,0 @@ -/* - * Copyright (C) 2013 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/* - * Contributed by: Intel Corporation - */ - -#include <stdio.h> -#include <signal.h> -#include <stdlib.h> -#include <string.h> -#include <unwind.h> - -#define noinline __attribute__((__noinline__)) -#define unused __attribute__((__unused__)) - -static noinline _Unwind_Reason_Code stop_fn(int a unused, - _Unwind_Action action, - _Unwind_Exception_Class b unused, struct _Unwind_Exception* c unused, - struct _Unwind_Context* d unused, void* e unused) { - if ((action & _UA_END_OF_STACK) != 0) { - // We reached the end of the stack without executing foo_cleanup. Test failed. - abort(); - } - return _URC_NO_REASON; -} - -static void noinline foo_cleanup(char* param unused) { - exit(42); -} - -static void noinline do_crash() { - char* ptr = NULL; - *ptr = 0; // Deliberately cause a SIGSEGV. -} - -static void noinline foo() { - char c1 __attribute__((cleanup(foo_cleanup))) unused; - do_crash(); -} - -// It's SEGSEGV handler. We start forced stack unwinding here. -// If libgcc don't find dso for signal frame stack unwinding will be finished. -// libgcc pass to stop_fn _UA_END_OF_STACK flag. -// Test pass condition: stack unwinding through signal frame and foo1_handler execution. -static void noinline sigsegv_handler(int param unused) { - struct _Unwind_Exception* exception = (struct _Unwind_Exception*) malloc(sizeof(*exception)); - memset(&exception->exception_class, 0, sizeof(exception->exception_class)); - exception->exception_cleanup = 0; - _Unwind_ForcedUnwind(exception, stop_fn, 0); -} - -void do_test() { - signal(SIGSEGV, &sigsegv_handler); - foo(); -} |