1 files changed, 0 insertions, 165 deletions
diff --git a/libc/bionic/scudo/scudo.cpp b/libc/bionic/scudo/scudo.cpp
deleted file mode 100644
index 2cd36b1b0..000000000
--- a/libc/bionic/scudo/scudo.cpp
+++ /dev/null
@@ -1,165 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *  * Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *  * Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <errno.h>
-#include <malloc.h>
-#include <stdlib.h>
-#include <sys/mman.h>
-#include <sys/param.h>
-#include <sys/prctl.h>
-
-#include "platform/bionic/macros.h"
-
-#include "scudo.h"
-
-// Disable Scudo's mismatch allocation check, as it is being triggered
-// by some third party code.
-extern "C" const char *__scudo_default_options() {
-  return "DeallocationTypeMismatch=false";
-}
-
-static inline bool AllocTooBig(size_t bytes) {
-#if defined(__LP64__)
-  if (__predict_false(bytes > 0x10000000000ULL)) {
-#else
-  if (__predict_false(bytes > 0x80000000ULL)) {
-#endif
-    return true;
-  }
-  return false;
-}
-
-void* scudo_aligned_alloc(size_t alignment, size_t size) {
-  if (alignment == 0 || !powerof2(alignment) || (size % alignment) != 0) {
-    errno = EINVAL;
-    return nullptr;
-  }
-  if (AllocTooBig(size)) {
-    errno = ENOMEM;
-    return nullptr;
-  }
-
-  return aligned_alloc(alignment, size);
-}
-
-void* scudo_calloc(size_t item_count, size_t item_size) {
-  size_t total;
-  if (__builtin_mul_overflow(item_count, item_size, &total) || AllocTooBig(total)) {
-    errno = ENOMEM;
-    return nullptr;
-  }
-  return calloc(item_count, item_size);
-}
-
-void scudo_free(void* ptr) {
-  free(ptr);
-}
-
-extern "C" size_t __sanitizer_get_current_allocated_bytes();
-extern "C" size_t __sanitizer_get_heap_size();
-
-struct mallinfo scudo_mallinfo() {
-  struct mallinfo info {};
-  info.uordblks = __sanitizer_get_current_allocated_bytes();
-  info.hblkhd = __sanitizer_get_heap_size();
-  info.usmblks = info.hblkhd;
-  return info;
-}
-
-void* scudo_malloc(size_t byte_count) {
-  if (AllocTooBig(byte_count)) {
-    errno = ENOMEM;
-    return nullptr;
-  }
-  return malloc(byte_count);
-}
-
-size_t scudo_malloc_usable_size(const void* ptr) {
-  return malloc_usable_size(ptr);
-}
-
-void* scudo_memalign(size_t alignment, size_t byte_count) {
-  if (AllocTooBig(byte_count)) {
-    errno = ENOMEM;
-    return nullptr;
-  }
-  if (alignment != 0) {
-    if (!powerof2(alignment)) {
-      alignment = BIONIC_ROUND_UP_POWER_OF_2(alignment);
-    }
-  } else {
-    alignment = 1;
-  }
-  return memalign(alignment, byte_count);
-}
-
-void* scudo_realloc(void* ptr, size_t byte_count) {
-  if (AllocTooBig(byte_count)) {
-    errno = ENOMEM;
-    return nullptr;
-  }
-  return realloc(ptr, byte_count);
-}
-
-int scudo_posix_memalign(void** memptr, size_t alignment, size_t size) {
-  if (alignment < sizeof(void*) || !powerof2(alignment)) {
-    return EINVAL;
-  }
-  if (AllocTooBig(size)) {
-    return ENOMEM;
-  }
-  return posix_memalign(memptr, alignment, size);
-}
-
-#if defined(HAVE_DEPRECATED_MALLOC_FUNCS)
-extern "C" void* pvalloc(size_t);
-
-void* scudo_pvalloc(size_t size) {
-  if (AllocTooBig(size)) {
-    errno = ENOMEM;
-    return nullptr;
-  }
-  return pvalloc(size);
-}
-
-extern "C" void* valloc(size_t);
-
-void* scudo_valloc(size_t size) {
-  if (AllocTooBig(size)) {
-    errno = ENOMEM;
-    return nullptr;
-  }
-  return valloc(size);
-}
-#endif
-
-// Do not try and name the scudo maps by overriding __sanitizer::internal_mmap.
-// There is already a function called MmapNamed that names the maps.
-// Unfortunately, there is no easy way to override MmapNamed because
-// too much of the code is not compiled into functions available in the
-// library, and the code is complicated.