/*
- * Copyright (c) 2002,2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
#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 <kern/kern_types.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 mach_port_t shared_text_region_handle;
extern mach_port_t shared_data_region_handle;
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;
struct shared_region_mapping {
decl_mutex_data(, Lock) /* Synchronization */
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 */
+#define load_file_hash(file_object, size) \
+ ((((natural_t)file_object) & 0xffffff) % size)
+
extern kern_return_t copyin_shared_file(
vm_offset_t mapped_file,
vm_size_t mapped_file_size,
shared_region_task_mappings_t shared_region,
int *flags);
+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,
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,
shared_region_mapping_t *next);
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);
+
+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 kern_return_t shared_region_mapping_set_alt_next(
+ shared_region_mapping_t shared_region,
+ vm_offset_t alt_next);
+
+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);
-#endif /* __APPLE_API_PRIVATE */
+#endif /* KERNEL_PRIVATE */
-#endif /* _VM_SHARED_MEMORY_SERVER_H_ */
+#endif /* _VM_SHARED_MEMORY_SERVER_H_ */
projects / apple / xnu.git / blobdiff