Loading...
--- libmalloc/libmalloc-317.40.8/src/base.h
+++ /dev/null
@@ -1,156 +0,0 @@
-/*
- * Copyright (c) 2015 Apple Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-
-#ifndef __BASE_H
-#define __BASE_H
-
-#ifndef __has_extension
-#define __has_extension(x) 0
-#endif
-
-#if __has_extension(c_static_assert)
-#define MALLOC_STATIC_ASSERT(x, y) _Static_assert((x), y)
-#else
-#define MALLOC_STATIC_ASSERT(x, y)
-#endif
-
-#define MALLOC_ASSERT(e) ({ \
- if (__builtin_expect(!(e), 0)) { \
- __asm__ __volatile__ (""); \
- __builtin_trap(); \
- } \
-})
-
-#define MALLOC_FATAL_ERROR(cause, message) ({ \
- _os_set_crash_log_cause_and_message((cause), "FATAL ERROR - " message); \
- __asm__ __volatile__ (""); \
- __builtin_trap(); \
-})
-
-#define MALLOC_REPORT_FATAL_ERROR(cause, message) ({ \
- malloc_report(ASL_LEVEL_ERR, "*** FATAL ERROR - " message ".\n"); \
- MALLOC_FATAL_ERROR((cause), message); \
-})
-
-#if defined(__i386__) || defined(__x86_64__) || defined(__arm__) || defined(__arm64__)
-# define __APPLE_API_PRIVATE
-# include <machine/cpu_capabilities.h>
-# if defined(__i386__) || defined(__x86_64__)
-# define _COMM_PAGE_VERSION_REQD 9
-# else
-# define _COMM_PAGE_VERSION_REQD 3
-# endif
-# undef __APPLE_API_PRIVATE
-#else
-# include <sys/sysctl.h>
-#endif
-
-#if defined(__i386__) || defined(__x86_64__)
-// <rdar://problem/23495834> nano vs. magazine have different definitions
-// for this cache-line size.
-# define MALLOC_CACHE_LINE 128
-# define MALLOC_NANO_CACHE_LINE 64
-#elif defined(__arm__) || defined(__arm64__)
-# define MALLOC_CACHE_LINE 64
-# define MALLOC_NANO_CACHE_LINE 64
-#else
-# define MALLOC_CACHE_LINE 32
-# define MALLOC_NANO_CACHE_LINE 32
-#endif
-
-#define MALLOC_CACHE_ALIGN __attribute__ ((aligned (MALLOC_CACHE_LINE) ))
-#define MALLOC_NANO_CACHE_ALIGN __attribute__ ((aligned (MALLOC_NANO_CACHE_LINE) ))
-#define MALLOC_EXPORT extern __attribute__((visibility("default")))
-#define MALLOC_NOEXPORT __attribute__((visibility("hidden")))
-#define MALLOC_NOINLINE __attribute__((noinline))
-#define MALLOC_INLINE __inline__
-#define MALLOC_ALWAYS_INLINE __attribute__((always_inline))
-#define MALLOC_PACKED __attribute__((packed))
-#define MALLOC_USED __attribute__((used))
-#define MALLOC_UNUSED __attribute__((unused))
-#define CHECK_MAGAZINE_PTR_LOCKED(szone, mag_ptr, fun) {}
-
-#define SCRIBBLE_BYTE 0xaa /* allocated scribble */
-#define SCRABBLE_BYTE 0x55 /* free()'d scribble */
-#define SCRUBBLE_BYTE 0xdd /* madvise(..., MADV_FREE) scriblle */
-
-#define NDEBUG 1
-#define trunc_page_quanta(x) trunc_page((x))
-#define round_page_quanta(x) round_page((x))
-#define vm_page_quanta_size (vm_page_size)
-#define vm_page_quanta_shift (vm_page_shift)
-
-/*
- * Large rounds allocation sizes up to MAX(vm_kernel_page_size, page_size).
- * This provides better death row caching performance when vm_kernel_page_size > page_size.
- * The kernel allocates pages of vm_kernel_page_size to back our allocations,
- * so there is no additional physical page cost to doing this.
- * Guard pages are the same size to ensure the full vm allocation size is a multiple of MAX(vm_kernel_page_size, page_size).
- */
-#define large_vm_page_quanta_size (vm_kernel_page_size > vm_page_size ? vm_kernel_page_size : vm_page_size)
-#define large_vm_page_quanta_mask (vm_kernel_page_mask > vm_page_mask ? vm_kernel_page_mask : vm_page_mask)
-#define large_vm_page_quanta_shift (vm_kernel_page_shift > vm_page_shift ? vm_kernel_page_shift : vm_page_shift)
-
-#define trunc_large_page_quanta(x) ((x) & (~large_vm_page_quanta_mask))
-#define round_large_page_quanta(x) (trunc_large_page_quanta((x) + large_vm_page_quanta_mask))
-
-
-// add a guard page before each VM region to help debug
-#define MALLOC_ADD_PRELUDE_GUARD_PAGE (1 << 0)
-// add a guard page after each VM region to help debug
-#define MALLOC_ADD_POSTLUDE_GUARD_PAGE (1 << 1)
-// Mask both guard page flags
-#define MALLOC_ADD_GUARD_PAGE_FLAGS (MALLOC_ADD_PRELUDE_GUARD_PAGE|MALLOC_ADD_POSTLUDE_GUARD_PAGE)
-// apply guard pages to all regions
-#define MALLOC_GUARD_ALL (1 << 2)
-// Mask for guard page request flags
-#define MALLOC_ALL_GUARD_PAGE_FLAGS (MALLOC_ADD_GUARD_PAGE_FLAGS|MALLOC_GUARD_ALL)
-// do not protect prelude page
-#define MALLOC_DONT_PROTECT_PRELUDE (1 << 3)
-// do not protect postlude page
-#define MALLOC_DONT_PROTECT_POSTLUDE (1 << 4)
-// write 0x55 onto free blocks
-#define MALLOC_DO_SCRIBBLE (1 << 5)
-// call abort() on any malloc error, such as double free or out of memory.
-#define MALLOC_ABORT_ON_ERROR (1 << 6)
-// allocate objects such that they may be used with VM purgability APIs
-#define MALLOC_PURGEABLE (1 << 7)
-// call abort() on malloc errors, but not on out of memory.
-#define MALLOC_ABORT_ON_CORRUPTION (1 << 8)
-
-/*
- * msize - a type to refer to the number of quanta of a tiny or small
- * allocation. A tiny block with an msize of 3 would be 3 << SHIFT_TINY_QUANTUM
- * bytes in size.
- */
-typedef unsigned short msize_t;
-
-typedef unsigned int grain_t; // N.B. wide enough to index all free slots
-typedef struct large_entry_s large_entry_t;
-typedef struct szone_s szone_t;
-typedef struct rack_s rack_t;
-typedef struct magazine_s magazine_t;
-typedef int mag_index_t;
-typedef void *region_t;
-
-#endif // __BASE_H