compiler-rt/lib/gwp_asan/platform_specific/utilities_posix.cpp

   1 //===-- utilities_posix.cpp -------------------------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include <alloca.h>
  10 #include <features.h> // IWYU pragma: keep (for __BIONIC__ macro)
  11 #include <inttypes.h>
  12 #include <stdint.h>
  13 #include <string.h>
  14
  15 #ifdef __BIONIC__
  16 #include "gwp_asan/definitions.h"
  17 #include <stdlib.h>
  18 extern "C" GWP_ASAN_WEAK void android_set_abort_message(const char *);
  19 #else // __BIONIC__
  20 #include <stdio.h>
  21 #endif
  22
  23 namespace gwp_asan {
  24 void die(const char *Message) {
  25 #ifdef __BIONIC__
  26   if (&android_set_abort_message != nullptr)
  27     android_set_abort_message(Message);
  28   abort();
  29 #else  // __BIONIC__
  30   fprintf(stderr, "%s", Message);
  31   __builtin_trap();
  32 #endif // __BIONIC__
  33 }
  34
  35 void dieWithErrorCode(const char *Message, int64_t ErrorCode) {
  36 #ifdef __BIONIC__
  37   if (&android_set_abort_message == nullptr)
  38     abort();
  39
  40   size_t buffer_size = strlen(Message) + 48;
  41   char *buffer = static_cast<char *>(alloca(buffer_size));
  42   snprintf(buffer, buffer_size, "%s (Error Code: %" PRId64 ")", Message,
  43            ErrorCode);
  44   android_set_abort_message(buffer);
  45   abort();
  46 #else  // __BIONIC__
  47   fprintf(stderr, "%s (Error Code: %" PRId64 ")", Message, ErrorCode);
  48   __builtin_trap();
  49 #endif // __BIONIC__
  50 }
  51 } // namespace gwp_asan