* Copyright (c) 2011 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_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
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
- *
+ *
* 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,
* 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_OSREFERENCE_LICENSE_HEADER_END@
*/
#undef _mach_vm_user_
#include <mach/mach_vm_internal.h>
+#include "stack_logging_internal.h"
+
+malloc_logger_t *__syscall_logger = NULL; // This may get set by Libc's malloc stack logging initialization code.
+
kern_return_t
mach_vm_allocate(
- mach_port_name_t target,
- mach_vm_address_t *address,
- mach_vm_size_t size,
- int flags)
+ mach_port_name_t target,
+ mach_vm_address_t *address,
+ mach_vm_size_t size,
+ int flags)
{
kern_return_t rv;
rv = _kernelrpc_mach_vm_allocate_trap(target, address, size, flags);
- if (rv == MACH_SEND_INVALID_DEST)
+ if (rv == MACH_SEND_INVALID_DEST) {
rv = _kernelrpc_mach_vm_allocate(target, address, size, flags);
+ }
- return (rv);
+ int userTagFlags = flags & VM_FLAGS_ALIAS_MASK;
+ if (__syscall_logger && rv == KERN_SUCCESS && (userTagFlags != VM_MAKE_TAG(VM_MEMORY_STACK))) {
+ __syscall_logger(stack_logging_type_vm_allocate | userTagFlags, (uintptr_t)target, (uintptr_t)size, 0, (uintptr_t)*address, 0);
+ }
+
+ return rv;
}
kern_return_t
{
kern_return_t rv;
+ if (__syscall_logger) {
+ __syscall_logger(stack_logging_type_vm_deallocate, (uintptr_t)target, (uintptr_t)address, (uintptr_t)size, 0, 0);
+ }
+
rv = _kernelrpc_mach_vm_deallocate_trap(target, address, size);
- if (rv == MACH_SEND_INVALID_DEST)
+ if (rv == MACH_SEND_INVALID_DEST) {
rv = _kernelrpc_mach_vm_deallocate(target, address, size);
+ }
- return (rv);
+ return rv;
}
kern_return_t
kern_return_t rv;
rv = _kernelrpc_mach_vm_protect_trap(task, address, size, set_maximum,
- new_protection);
+ new_protection);
- if (rv == MACH_SEND_INVALID_DEST)
+ if (rv == MACH_SEND_INVALID_DEST) {
rv = _kernelrpc_mach_vm_protect(task, address, size,
- set_maximum, new_protection);
+ set_maximum, new_protection);
+ }
- return (rv);
+ return rv;
}
kern_return_t
*address = (vm_address_t)(mach_addr & ((vm_address_t)-1));
#endif
- return (rv);
+ return rv;
}
kern_return_t
rv = mach_vm_deallocate(task, address, size);
- return (rv);
+ return rv;
}
kern_return_t
rv = mach_vm_protect(task, address, size, set_maximum, new_protection);
- return (rv);
+ return rv;
+}
+
+kern_return_t
+mach_vm_map(
+ mach_port_name_t target,
+ mach_vm_address_t *address,
+ mach_vm_size_t size,
+ mach_vm_offset_t mask,
+ int flags,
+ mem_entry_name_port_t object,
+ memory_object_offset_t offset,
+ boolean_t copy,
+ vm_prot_t cur_protection,
+ vm_prot_t max_protection,
+ vm_inherit_t inheritance)
+{
+ kern_return_t rv = MACH_SEND_INVALID_DEST;
+
+ if (object == MEMORY_OBJECT_NULL && max_protection == VM_PROT_ALL &&
+ inheritance == VM_INHERIT_DEFAULT) {
+ rv = _kernelrpc_mach_vm_map_trap(target, address, size, mask, flags,
+ cur_protection);
+ }
+
+ if (rv == MACH_SEND_INVALID_DEST) {
+ rv = _kernelrpc_mach_vm_map(target, address, size, mask, flags, object,
+ offset, copy, cur_protection, max_protection, inheritance);
+ }
+
+ int userTagFlags = flags & VM_FLAGS_ALIAS_MASK;
+ if (__syscall_logger && rv == KERN_SUCCESS && (userTagFlags != VM_MAKE_TAG(VM_MEMORY_STACK))) {
+ int eventTypeFlags = stack_logging_type_vm_allocate | stack_logging_type_mapped_file_or_shared_mem;
+ __syscall_logger(eventTypeFlags | userTagFlags, (uintptr_t)target, (uintptr_t)size, 0, (uintptr_t)*address, 0);
+ }
+
+ return rv;
+}
+
+kern_return_t
+mach_vm_remap(
+ mach_port_name_t target,
+ mach_vm_address_t *address,
+ mach_vm_size_t size,
+ mach_vm_offset_t mask,
+ int flags,
+ mach_port_name_t src_task,
+ mach_vm_address_t src_address,
+ boolean_t copy,
+ vm_prot_t *cur_protection,
+ vm_prot_t *max_protection,
+ vm_inherit_t inheritance)
+{
+ kern_return_t rv;
+
+ rv = _kernelrpc_mach_vm_remap(target, address, size, mask, flags,
+ src_task, src_address, copy, cur_protection, max_protection,
+ inheritance);
+
+ if (__syscall_logger && rv == KERN_SUCCESS) {
+ int eventTypeFlags = stack_logging_type_vm_allocate | stack_logging_type_mapped_file_or_shared_mem;
+ int userTagFlags = flags & VM_FLAGS_ALIAS_MASK;
+ __syscall_logger(eventTypeFlags | userTagFlags, (uintptr_t)target, (uintptr_t)size, 0, (uintptr_t)*address, 0);
+ }
+
+ return rv;
+}
+
+kern_return_t
+mach_vm_read(
+ mach_port_name_t target,
+ mach_vm_address_t address,
+ mach_vm_size_t size,
+ vm_offset_t *data,
+ mach_msg_type_number_t *dataCnt)
+{
+ kern_return_t rv;
+
+ rv = _kernelrpc_mach_vm_read(target, address, size, data, dataCnt);
+
+ if (__syscall_logger && rv == KERN_SUCCESS) {
+ int eventTypeFlags = stack_logging_type_vm_allocate | stack_logging_type_mapped_file_or_shared_mem;
+ // The target argument is the remote task from which data is being read,
+ // so pass mach_task_self() as the destination task receiving the allocation.
+ __syscall_logger(eventTypeFlags, (uintptr_t)mach_task_self(), (uintptr_t)*dataCnt, 0, *data, 0);
+ }
+
+ return rv;
+}
+
+kern_return_t
+vm_map(
+ mach_port_name_t target,
+ vm_address_t *address,
+ vm_size_t size,
+ vm_offset_t mask,
+ int flags,
+ mem_entry_name_port_t object,
+ vm_offset_t offset,
+ boolean_t copy,
+ vm_prot_t cur_protection,
+ vm_prot_t max_protection,
+ vm_inherit_t inheritance)
+{
+ kern_return_t rv;
+
+ rv = _kernelrpc_vm_map(target, address, size, mask, flags, object,
+ offset, copy, cur_protection, max_protection, inheritance);
+
+ if (__syscall_logger && rv == KERN_SUCCESS) {
+ int eventTypeFlags = stack_logging_type_vm_allocate | stack_logging_type_mapped_file_or_shared_mem;
+ int userTagFlags = flags & VM_FLAGS_ALIAS_MASK;
+ __syscall_logger(eventTypeFlags | userTagFlags, (uintptr_t)target, (uintptr_t)size, 0, (uintptr_t)*address, 0);
+ }
+
+ return rv;
+}
+
+kern_return_t
+vm_remap(
+ mach_port_name_t target,
+ vm_address_t *address,
+ vm_size_t size,
+ vm_offset_t mask,
+ int flags,
+ mach_port_name_t src_task,
+ vm_address_t src_address,
+ boolean_t copy,
+ vm_prot_t *cur_protection,
+ vm_prot_t *max_protection,
+ vm_inherit_t inheritance)
+{
+ kern_return_t rv;
+
+ rv = _kernelrpc_vm_remap(target, address, size, mask, flags,
+ src_task, src_address, copy, cur_protection, max_protection,
+ inheritance);
+
+ if (__syscall_logger) {
+ int eventTypeFlags = stack_logging_type_vm_allocate | stack_logging_type_mapped_file_or_shared_mem;
+ int userTagFlags = flags & VM_FLAGS_ALIAS_MASK;
+ __syscall_logger(eventTypeFlags | userTagFlags, (uintptr_t)target, (uintptr_t)size, 0, (uintptr_t)*address, 0);
+ }
+
+ return rv;
+}
+
+kern_return_t
+vm_read(
+ mach_port_name_t target,
+ vm_address_t address,
+ vm_size_t size,
+ vm_offset_t *data,
+ mach_msg_type_number_t *dataCnt)
+{
+ kern_return_t rv;
+
+ rv = _kernelrpc_vm_read(target, address, size, data, dataCnt);
+
+ if (__syscall_logger && rv == KERN_SUCCESS) {
+ int eventTypeFlags = stack_logging_type_vm_allocate | stack_logging_type_mapped_file_or_shared_mem;
+ // The target argument is the remote task from which data is being read,
+ // so pass mach_task_self() as the destination task receiving the allocation.
+ __syscall_logger(eventTypeFlags, (uintptr_t)mach_task_self(), (uintptr_t)*dataCnt, 0, *data, 0);
+ }
+
+ return rv;
+}
+
+kern_return_t
+mach_vm_purgable_control(
+ mach_port_name_t target,
+ mach_vm_offset_t address,
+ vm_purgable_t control,
+ int *state)
+{
+ kern_return_t rv;
+
+ rv = _kernelrpc_mach_vm_purgable_control_trap(target, address, control, state);
+
+ if (rv == MACH_SEND_INVALID_DEST) {
+ rv = _kernelrpc_mach_vm_purgable_control(target, address, control, state);
+ }
+
+ return rv;
+}
+
+kern_return_t
+vm_purgable_control(
+ mach_port_name_t task,
+ vm_offset_t address,
+ vm_purgable_t control,
+ int *state)
+{
+ return mach_vm_purgable_control(task,
+ (mach_vm_offset_t) address,
+ control,
+ state);
}
projects / apple / xnu.git / blobdiff