5ea2c1f20a
Also make backtrace_testlib.c C++. Bug: 34468756 Test: Ran new unit test on host x86, host x86_64, angler (32 bit, 64 bit), Test: fugu. Change-Id: Ia810f596c2df56cd56e8ab17e6c19be0c48d737f
86 lines
2.5 KiB
C++
86 lines
2.5 KiB
C++
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <libunwind.h>
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#include <signal.h>
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#include <stdio.h>
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#include "backtrace_testlib.h"
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void test_loop_forever() {
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while (1)
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;
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}
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void test_signal_handler(int) { test_loop_forever(); }
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void test_signal_action(int, siginfo_t*, void*) { test_loop_forever(); }
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int test_level_four(int one, int two, int three, int four, void (*callback_func)(void*),
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void* data) {
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if (callback_func != NULL) {
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callback_func(data);
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} else {
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while (1)
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;
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}
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return one + two + three + four;
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}
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int test_level_three(int one, int two, int three, int four, void (*callback_func)(void*),
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void* data) {
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return test_level_four(one + 3, two + 6, three + 9, four + 12, callback_func, data) + 3;
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}
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int test_level_two(int one, int two, int three, int four, void (*callback_func)(void*), void* data) {
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return test_level_three(one + 2, two + 4, three + 6, four + 8, callback_func, data) + 2;
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}
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int test_level_one(int one, int two, int three, int four, void (*callback_func)(void*), void* data) {
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return test_level_two(one + 1, two + 2, three + 3, four + 4, callback_func, data) + 1;
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}
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int test_recursive_call(int level, void (*callback_func)(void*), void* data) {
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if (level > 0) {
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return test_recursive_call(level - 1, callback_func, data) + level;
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} else if (callback_func != NULL) {
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callback_func(data);
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} else {
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while (1) {
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}
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}
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return 0;
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}
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typedef struct {
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unw_context_t* unw_context;
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volatile int* exit_flag;
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} GetContextArg;
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static void GetContextAndExit(void* data) {
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GetContextArg* arg = (GetContextArg*)data;
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unw_getcontext(arg->unw_context);
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// Don't touch the stack anymore.
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while (*arg->exit_flag == 0) {
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}
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}
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void test_get_context_and_wait(unw_context_t* unw_context, volatile int* exit_flag) {
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GetContextArg arg;
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arg.unw_context = unw_context;
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arg.exit_flag = exit_flag;
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test_level_one(1, 2, 3, 4, GetContextAndExit, &arg);
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}
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