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.
52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
//===-- utilities_posix.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 <alloca.h>
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#include <features.h> // IWYU pragma: keep (for __BIONIC__ macro)
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#include <inttypes.h>
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#include <stdint.h>
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#include <string.h>
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#ifdef __BIONIC__
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#include "gwp_asan/definitions.h"
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#include <stdlib.h>
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extern "C" GWP_ASAN_WEAK void android_set_abort_message(const char *);
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#else // __BIONIC__
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#include <stdio.h>
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#endif
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namespace gwp_asan {
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void die(const char *Message) {
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#ifdef __BIONIC__
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if (&android_set_abort_message != nullptr)
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android_set_abort_message(Message);
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abort();
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#else // __BIONIC__
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fprintf(stderr, "%s", Message);
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__builtin_trap();
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#endif // __BIONIC__
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}
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void dieWithErrorCode(const char *Message, int64_t ErrorCode) {
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#ifdef __BIONIC__
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if (&android_set_abort_message == nullptr)
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abort();
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size_t buffer_size = strlen(Message) + 48;
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char *buffer = static_cast<char *>(alloca(buffer_size));
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snprintf(buffer, buffer_size, "%s (Error Code: %" PRId64 ")", Message,
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ErrorCode);
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android_set_abort_message(buffer);
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abort();
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#else // __BIONIC__
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fprintf(stderr, "%s (Error Code: %" PRId64 ")", Message, ErrorCode);
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__builtin_trap();
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#endif // __BIONIC__
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}
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} // namespace gwp_asan
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