65 lines · cpp
1//===-- Loader test to test init and fini array iteration -----------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "test/IntegrationTest/test.h"10 11#include <stddef.h>12 13int global_destroyed = false;14 15class A {16private:17 int val[1024];18 19public:20 A(int i, int a) {21 for (int k = 0; k < 1024; ++k)22 val[k] = 0;23 val[i] = a;24 }25 26 ~A() { global_destroyed = true; }27 28 int get(int i) const { return val[i]; }29};30 31int GLOBAL_INDEX = 512;32int INITVAL_INITIALIZER = 0x600D;33 34A global(GLOBAL_INDEX, INITVAL_INITIALIZER);35 36int initval = 0;37int preinitval = 0;38 39__attribute__((constructor)) void set_initval() {40 initval = INITVAL_INITIALIZER;41}42__attribute__((destructor(1))) void reset_initval() {43 ASSERT_TRUE(global_destroyed);44 ASSERT_EQ(preinitval, 0);45 initval = 0;46}47 48void set_preinitval() { preinitval = INITVAL_INITIALIZER; }49__attribute__((destructor(2))) void reset_preinitval() {50 ASSERT_TRUE(global_destroyed);51 ASSERT_EQ(initval, INITVAL_INITIALIZER);52 preinitval = 0;53}54 55using PreInitFunc = void();56__attribute__((section(".preinit_array"))) PreInitFunc *preinit_func_ptr =57 &set_preinitval;58 59TEST_MAIN() {60 ASSERT_EQ(global.get(GLOBAL_INDEX), INITVAL_INITIALIZER);61 ASSERT_EQ(initval, INITVAL_INITIALIZER);62 ASSERT_EQ(preinitval, INITVAL_INITIALIZER);63 return 0;64}65