Userland/Libraries/LibC/assert.cpp at master

jcs.org / serenity

fork atom

Serenity Operating System

fork atom

serenity / Userland / Libraries / LibC / assert.cpp

at master 36 lines 811 B view raw

wrap content

Liav A Kernel: Move process coredump metadata modification to the prctl syscall 3y ago

be1d7c32

 1/*
 2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
 3 *
 4 * SPDX-License-Identifier: BSD-2-Clause
 5 */
 6
 7#include <AK/Format.h>
 8#include <Kernel/API/prctl_numbers.h>
 9#include <assert.h>
10#include <stdio.h>
11#include <stdlib.h>
12#include <string.h>
13#include <sys/internals.h>
14#include <syscall.h>
15#include <unistd.h>
16
17extern "C" {
18
19extern bool __stdio_is_initialized;
20
21void __assertion_failed(char const* msg)
22{
23    if (__heap_is_stable) {
24        dbgln("ASSERTION FAILED: {}", msg);
25        if (__stdio_is_initialized)
26            warnln("ASSERTION FAILED: {}", msg);
27    }
28
29    Syscall::SC_set_coredump_metadata_params params {
30        { "assertion", strlen("assertion") },
31        { msg, strlen(msg) },
32    };
33    syscall(SC_prctl, PR_SET_COREDUMP_METADATA_VALUE, &params, nullptr);
34    abort();
35}
36}