/* * Copyright (c) 2004 Apple Computer, 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@ */ #include <sys/cdefs.h> #if __DARWIN_UNIX03 #include <sys/mman.h> #include <mach/vm_param.h> #include <errno.h> #include <mach/mach_init.h> #include "stack_logging_internal.h" void *__mmap(void *addr, size_t len, int prot, int flags, int fildes, off_t off); /* * mmap stub, with preemptory failures due to extra parameter checking * mandated for conformance. * * This is for UNIX03 only. */ void * mmap(void *addr, size_t len, int prot, int flags, int fildes, off_t off) { /* * Preemptory failures: * * o off is not a multiple of the page size * o flags does not contain either MAP_PRIVATE or MAP_SHARED * o len is zero */ extern void cerror_nocancel(int); if ((off & PAGE_MASK) || (((flags & MAP_PRIVATE) != MAP_PRIVATE) && ((flags & MAP_SHARED) != MAP_SHARED)) || (len == 0)) { cerror_nocancel(EINVAL); return(MAP_FAILED); } void *ptr = __mmap(addr, len, prot, flags, fildes, off); if (__syscall_logger) { int stackLoggingFlags = stack_logging_type_vm_allocate; if (flags & MAP_ANON) { stackLoggingFlags |= (fildes & VM_FLAGS_ALIAS_MASK); } else { stackLoggingFlags |= stack_logging_type_mapped_file_or_shared_mem; } __syscall_logger(stackLoggingFlags, (uintptr_t)mach_task_self(), (uintptr_t)len, 0, (uintptr_t)ptr, 0); } return ptr; } #endif /* __DARWIN_UNIX03 */