build/unix/elfhack/test-ctors.c
author Sylvestre Ledru <sledru@mozilla.com>
Fri, 30 Nov 2018 11:46:48 +0100
changeset 448947 6f3709b3878117466168c40affa7bca0b60cf75b
parent 101969 076954b3555eff506eab8ea9407eb8d38c4de0f7
permissions -rw-r--r--
Bug 1511181 - Reformat everything to the Google coding style r=ehsan a=clang-format # ignore-this-changeset

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "test.c"

/* Recent binutils would put .ctors content into a .init_array section */
__attribute__((section(".manual_ctors"), used)) static void (*ctors[])() = {
    (void (*)()) - 1, end_test, test, NULL};

__attribute__((section(".init"))) void _init() {
  void (**func)() = &ctors[sizeof(ctors) / sizeof(void (*)()) - 1];
  while (*(--func) != (void (*)()) - 1) {
    (*func)();
  }
}