0a94511aec
A feature requested by Android, we should log errno (or the corresponding fuchsia error status) as part of the message when mmap/mprotect/etc. fails.
33 lines
1.1 KiB
C++
33 lines
1.1 KiB
C++
//===-- utilities_fuchsia.cpp -----------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "gwp_asan/utilities.h"
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#include <alloca.h>
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#include <stdio.h>
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#include <string.h>
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#include <zircon/sanitizer.h>
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#include <zircon/status.h>
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namespace gwp_asan {
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void die(const char *Message) {
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__sanitizer_log_write(Message, strlen(Message));
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__builtin_trap();
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}
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void dieWithErrorCode(const char *Message, int64_t ErrorCode) {
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const char *error_str =
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_zx_status_get_string(static_cast<zx_status_t>(ErrorCode));
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size_t buffer_size = strlen(Message) + 32 + strlen(error_str);
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char *buffer = static_cast<char *>(alloca(buffer_size));
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snprintf(buffer, buffer_size, "%s (Error Code: %s)", Message, error_str);
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__sanitizer_log_write(buffer, strlen(buffer));
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__builtin_trap();
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}
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} // namespace gwp_asan
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