| //===-- Implementation of __assert_fail -----------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "src/assert/__assert_fail.h" |
| #include "src/stdlib/abort.h" |
| |
| // These includes are temporary. |
| #include "config/linux/syscall.h" // For internal syscall function. |
| #include "include/sys/syscall.h" // For syscall numbers. |
| |
| namespace __llvm_libc { |
| |
| // This is just a temporary solution to make assert available to internal |
| // llvm libc code. In the future writeToStderr will not exist and __assert_fail |
| // will call fprintf(stderr, ...). |
| static void writeToStderr(const char *s) { |
| size_t length = 0; |
| for (const char *curr = s; *curr; ++curr, ++length); |
| __llvm_libc::syscall(SYS_write, 2, s, length); |
| } |
| |
| LLVM_LIBC_FUNCTION(void, __assert_fail, |
| (const char *assertion, const char *file, unsigned line, |
| const char *function)) { |
| writeToStderr(file); |
| writeToStderr(": Assertion failed: '"); |
| writeToStderr(assertion); |
| writeToStderr("' in function: '"); |
| writeToStderr(function); |
| writeToStderr("'\n"); |
| __llvm_libc::abort(); |
| } |
| |
| } // namespace __llvm_libc |