eb04ed506f
Used by CFI, so broke cfi_test#early_init@x86, but I've added a specific test for this (and a similar test for getauxval from preinit, which this patch does not fix). Bug: http://b/35885875 Test: ran tests Change-Id: I43885bedfb88c0a26b4474bd3c27a87dec7bbc97
40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
/*
|
|
* Copyright (C) 2017 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.
|
|
*/
|
|
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <sys/auxv.h>
|
|
|
|
#include "libs_utils.h"
|
|
|
|
static ssize_t g_result;
|
|
static int g_errno;
|
|
|
|
static void preinit_ctor() {
|
|
// Can we make a system call?
|
|
g_result = write(-1, "", 1);
|
|
g_errno = errno;
|
|
}
|
|
|
|
__attribute__((section(".preinit_array"), used)) void (*preinit_ctor_p)(void) = preinit_ctor;
|
|
|
|
int main() {
|
|
// Did we get the expected failure?
|
|
CHECK(g_result == -1);
|
|
CHECK(g_errno == EBADF);
|
|
return 0;
|
|
}
|