/*
- * Copyright (c) 2002,2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * 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. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * 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.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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 OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * 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@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
*
#ifndef _VM_SHARED_MEMORY_SERVER_H_
#define _VM_SHARED_MEMORY_SERVER_H_
-#include <sys/appleapiopts.h>
-
-#ifdef __APPLE_API_PRIVATE
+#ifdef KERNEL_PRIVATE
#include <mach/vm_prot.h>
#include <mach/mach_types.h>
#include <mach/shared_memory_server.h>
#include <kern/kern_types.h>
-
-extern mach_port_t shared_text_region_handle;
-extern mach_port_t shared_data_region_handle;
+#include <kern/macro_help.h>
+
+#if DEBUG
+extern int shared_region_debug;
+#define SHARED_REGION_DEBUG(args) \
+ MACRO_BEGIN \
+ if (shared_region_debug) { \
+ kprintf args; \
+ } \
+ MACRO_END
+#else /* DEBUG */
+#define SHARED_REGION_DEBUG(args)
+#endif /* DEBUG */
+
+extern int shared_region_trace_level;
+#define SHARED_REGION_TRACE_NONE 0 /* no trace */
+#define SHARED_REGION_TRACE_ERROR 1 /* trace abnormal events */
+#define SHARED_REGION_TRACE_CONFLICT 2 /* trace library conflicts */
+#define SHARED_REGION_TRACE_INFO 3 /* trace all events */
+#define SHARED_REGION_TRACE(level, args) \
+ MACRO_BEGIN \
+ if (level <= shared_region_trace_level) { \
+ printf args; \
+ } \
+ MACRO_END
struct shared_region_task_mappings {
mach_port_t text_region;
vm_offset_t client_base;
vm_offset_t alternate_base;
vm_offset_t alternate_next;
+ unsigned int fs_base;
+ unsigned int system;
int flags;
vm_offset_t self;
};
-#define SHARED_REGION_SYSTEM 0x1
-#define SHARED_REGION_FULL 0x2
+#define SHARED_REGION_SYSTEM 0x1 // Default env for system and fs_root
+#define SHARED_REGION_FULL 0x2 // Shared regions are full
+#define SHARED_REGION_STALE 0x4 // Indicates no longer in default list
+#define SHARED_REGION_STANDALONE 0x10 // Shared region is not shared !
+
+
+/* defines for default environment, and co-resident systems */
+
+#define ENV_DEFAULT_ROOT 0
typedef struct shared_region_task_mappings *shared_region_task_mappings_t;
typedef struct shared_region_mapping *shared_region_mapping_t;
-
#ifdef MACH_KERNEL_PRIVATE
#include <kern/queue.h>
vm_offset_t base_address;
int mapping_cnt;
loaded_mapping_t *mappings;
+ vm_offset_t file_offset; // start of file we mapped in
};
typedef struct load_struct load_struct_t;
/* address space shared region descriptor */
struct shared_region_mapping {
decl_mutex_data(, Lock) /* Synchronization */
- int ref_count;
+ unsigned int ref_count;
+ unsigned int fs_base;
+ unsigned int system;
mach_port_t text_region;
vm_size_t text_size;
mach_port_t data_region;
vm_offset_t alternate_next;
int flags;
int depth;
+ shared_region_mapping_t default_env_list;
shared_region_object_chain_t object_chain;
shared_region_mapping_t self;
shared_region_mapping_t next;
};
#define shared_region_mapping_lock_init(object) \
- mutex_init(&(object)->Lock, ETAP_VM_OBJ)
+ mutex_init(&(object)->Lock, 0)
#define shared_region_mapping_lock(object) mutex_lock(&(object)->Lock)
#define shared_region_mapping_unlock(object) mutex_unlock(&(object)->Lock)
#endif /* MACH_KERNEL_PRIVATE */
-extern kern_return_t copyin_shared_file(
- vm_offset_t mapped_file,
- vm_size_t mapped_file_size,
- vm_offset_t *base_address,
- int map_cnt,
- sf_mapping_t *mappings,
- memory_object_control_t file_control,
- shared_region_task_mappings_t shared_region,
- int *flags);
+#define load_file_hash(file_object, size) \
+ ((((natural_t)file_object) & 0xffffff) % size)
+
+extern kern_return_t map_shared_file(
+ int map_cnt,
+ struct shared_file_mapping_np *mappings,
+ memory_object_control_t file_control,
+ memory_object_size_t file_size,
+ shared_region_task_mappings_t sm_info,
+ mach_vm_offset_t base_offset,
+ mach_vm_offset_t *slide_p);
+
+extern kern_return_t shared_region_cleanup(
+ unsigned int range_count,
+ struct shared_region_range_np *ranges,
+ shared_region_task_mappings_t sm_info);
extern kern_return_t shared_region_mapping_info(
shared_region_mapping_t shared_region,
vm_offset_t *client_base,
vm_offset_t *alternate_base,
vm_offset_t *alternate_next,
+ unsigned int *fs_base,
+ unsigned int *system,
int *flags,
shared_region_mapping_t *next);
vm_offset_t client_base,
shared_region_mapping_t *shared_region,
vm_offset_t alt_base,
- vm_offset_t alt_next);
+ vm_offset_t alt_next,
+ int fs_base,
+ int system);
extern kern_return_t shared_region_mapping_ref(
shared_region_mapping_t shared_region);
shared_region_mapping_t target_region,
shared_region_mapping_t object_chain);
+extern void shared_region_object_chain_detached(
+ shared_region_mapping_t target_region);
+
extern kern_return_t vm_get_shared_region(
task_t task,
shared_region_mapping_t *shared_region);
task_t task,
shared_region_mapping_t shared_region);
-extern unsigned int lsf_mapping_pool_gauge();
+extern shared_region_mapping_t update_default_shared_region(
+ shared_region_mapping_t new_system_region);
+
+extern shared_region_mapping_t lookup_default_shared_region(
+ unsigned int fs_base,
+ unsigned int system);
+
+extern void remove_default_shared_region(
+ shared_region_mapping_t system_region);
+
+__private_extern__ void remove_default_shared_region_lock(
+ shared_region_mapping_t system_region,
+ int need_sfh_lock,
+ int need_drl_lock);
+
+__private_extern__ struct load_struct *lsf_remove_regions_mappings_lock(
+ shared_region_mapping_t region,
+ shared_region_task_mappings_t sm_info,
+ int need_lock);
+
+extern unsigned int lsf_mapping_pool_gauge(void);
+
+extern kern_return_t shared_file_create_system_region(
+ shared_region_mapping_t *shared_region,
+ int fs_base,
+ int system);
+
+extern void remove_all_shared_regions(void);
+
+extern void shared_file_boot_time_init(
+ unsigned int fs_base,
+ unsigned int system);
+
+extern struct load_struct *lsf_remove_regions_mappings(
+ shared_region_mapping_t region,
+ shared_region_task_mappings_t sm_info);
+
+extern void mach_memory_entry_port_release(ipc_port_t port);
+extern void mach_destroy_memory_entry(ipc_port_t port);
+
+extern kern_return_t mach_memory_entry_purgable_control(
+ ipc_port_t entry_port,
+ vm_purgable_t control,
+ int *state);
+
+extern kern_return_t mach_memory_entry_page_op(
+ ipc_port_t entry_port,
+ vm_object_offset_t offset,
+ int ops,
+ ppnum_t *phys_entry,
+ int *flags);
+
+extern kern_return_t mach_memory_entry_range_op(
+ ipc_port_t entry_port,
+ vm_object_offset_t offset_beg,
+ vm_object_offset_t offset_end,
+ int ops,
+ int *range);
-#endif /* __APPLE_API_PRIVATE */
+#endif /* KERNEL_PRIVATE */
-#endif /* _VM_SHARED_MEMORY_SERVER_H_ */
+#endif /* _VM_SHARED_MEMORY_SERVER_H_ */
projects / apple / xnu.git / blobdiff