lsmp.tproj/common.h

   1 /*
   2  * Copyright (c) 2002-2016 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22
  23
  24 #ifndef system_cmds_common_h
  25 #define system_cmds_common_h
  26
  27 #include <mach/mach.h>
  28 #include "json.h"
  29
  30 #define PROC_NAME_LEN 100
  31 #define BUFSTR_LEN 30
  32 #define VOUCHER_DETAIL_MAXLEN 1024
  33
  34 /* common struct to hold all configurations, static and args based */
  35 struct prog_configs {
  36     boolean_t show_all_tasks;
  37     boolean_t show_voucher_details;
  38     boolean_t verbose;
  39     int       voucher_detail_length;
  40     pid_t     pid; /* if user focusing only one pid */
  41     JSON_t    json_output;
  42 };
  43
  44 extern struct prog_configs lsmp_config;
  45
  46 /* exception port information */
  47 struct exc_port_info {
  48     mach_msg_type_number_t   count;
  49     mach_port_t      ports[EXC_TYPES_COUNT];
  50     exception_mask_t masks[EXC_TYPES_COUNT];
  51     exception_behavior_t behaviors[EXC_TYPES_COUNT];
  52     thread_state_flavor_t flavors[EXC_TYPES_COUNT];
  53 };
  54
  55 /* private structure to hold thread specific information */
  56 struct my_per_thread_info {
  57     mach_port_t thread;
  58     uint32_t th_kobject;
  59     uint64_t th_id;
  60     char * voucher_detail;
  61 };
  62
  63 /* kobject to name hash table declarations */
  64 #define K2N_TABLE_SIZE  256
  65
  66 struct k2n_table_node {
  67     natural_t kobject; /* kobject referred to by the name -- the key into the table */
  68     ipc_info_name_t *info_name; /* info about the name that refers to the key kobject -- value of the table */
  69     struct k2n_table_node *next;
  70 };
  71
  72 struct k2n_table_node *k2n_table_lookup_next(struct k2n_table_node *node, natural_t kobject);
  73 struct k2n_table_node *k2n_table_lookup(struct k2n_table_node **table, natural_t kobject);
  74
  75 /* private structure to wrap up per-task info */
  76 typedef struct my_per_task_info {
  77     task_t task;
  78     pid_t pid;
  79     vm_address_t task_kobject;
  80     ipc_info_space_t info;
  81     ipc_info_name_array_t table;
  82     mach_msg_type_number_t tableCount;
  83     ipc_info_tree_name_array_t tree;
  84     mach_msg_type_number_t treeCount;
  85     boolean_t valid; /* TRUE if all data is accurately collected */
  86     struct k2n_table_node *k2ntable[K2N_TABLE_SIZE];
  87     char processName[PROC_NAME_LEN];
  88     struct exc_port_info exceptionInfo;
  89     struct my_per_thread_info * threadInfos; /* dynamically allocated in collect_per_task_info */
  90     unsigned int threadCount;
  91     struct exc_port_info *threadExceptionInfos;  /* this is 2 dimensional array with threadCount X struct exc_port_info  of ports */
  92 } my_per_task_info_t;
  93
  94
  95 /*
  96  * WARNING - these types are copied from xnu/osfmk/kern/ipc_kobject.h
  97  * Need to stay in sync to print accurate results.
  98  */
  99 #define IKOT_NONE                  0
 100 #define IKOT_THREAD                1
 101 #define IKOT_TASK                  2
 102 #define IKOT_HOST                  3
 103 #define IKOT_HOST_PRIV             4
 104 #define IKOT_PROCESSOR             5
 105 #define IKOT_PSET                  6
 106 #define IKOT_PSET_NAME             7
 107 #define IKOT_TIMER                 8
 108 #define IKOT_PAGING_REQUEST        9
 109 #define IKOT_MIG                  10
 110 #define IKOT_MEMORY_OBJECT        11
 111 #define IKOT_XMM_PAGER            12
 112 #define IKOT_XMM_KERNEL           13
 113 #define IKOT_XMM_REPLY            14
 114 #define IKOT_UND_REPLY            15
 115 #define IKOT_HOST_NOTIFY          16
 116 #define IKOT_HOST_SECURITY        17
 117 #define IKOT_LEDGER               18
 118 #define IKOT_MASTER_DEVICE        19
 119 #define IKOT_TASK_NAME            20
 120 #define IKOT_SUBSYSTEM            21
 121 #define IKOT_IO_DONE_QUEUE        22
 122 #define IKOT_SEMAPHORE            23
 123 #define IKOT_LOCK_SET             24
 124 #define IKOT_CLOCK                25
 125 #define IKOT_CLOCK_CTRL           26
 126 #define IKOT_IOKIT_IDENT          27
 127 #define IKOT_NAMED_ENTRY          28
 128 #define IKOT_IOKIT_CONNECT        29
 129 #define IKOT_IOKIT_OBJECT         30
 130 #define IKOT_UPL                  31
 131 #define IKOT_MEM_OBJ_CONTROL      32
 132 #define IKOT_AU_SESSIONPORT       33
 133 #define IKOT_FILEPORT             34
 134 #define IKOT_LABELH               35
 135 #define IKOT_TASK_RESUME          36
 136 #define IKOT_VOUCHER              37
 137 #define IKOT_VOUCHER_ATTR_CONTROL 38
 138 #define IKOT_WORK_INTERVAL              39
 139 #define IKOT_UX_HANDLER                 40
 140 #define IKOT_UEXT_OBJECT                41
 141 #define IKOT_ARCADE_REG                 42
 142
 143 #define IKOT_UNKNOWN              43    /* magic catchall       */
 144 #define IKOT_MAX_TYPE             (IKOT_UNKNOWN+1)      /* # of IKOT_ types     */
 145
 146
 147 #define PORT_FLAG_TO_INDEX(flag) ( __builtin_ctz(flag) ) /* count trailing zeros */
 148 #define INDEX_TO_PORT_FLAG(idx) ( 1 << idx )
 149 typedef struct port_status_flag_info {
 150     natural_t flag; /* MACH_PORT_STATUS_FLAG_* */
 151     const char *compact_name; /* Single character name for compact representation */
 152     const char *name; /* human readable long name */
 153 } port_status_flag_info_t;
 154
 155 /*
 156  * list of names for possible MACH_PORT_STATUS_FLAG_*
 157  * indexed by PORT_FLAG_TO_INDEX(MACH_PORT_STATUS_FLAG_*)
 158  */
 159 extern const port_status_flag_info_t port_status_flags[];
 160
 161 #define _SHOW_PORT_STATUS_FLAG(flags, flag) \
 162   (flags & flag) ? port_status_flags[PORT_FLAG_TO_INDEX(flag)].compact_name : "-"
 163 #define SHOW_PORT_STATUS_FLAGS(flags) \
 164   _SHOW_PORT_STATUS_FLAG(flags, MACH_PORT_STATUS_FLAG_TEMPOWNER), \
 165   _SHOW_PORT_STATUS_FLAG(flags, MACH_PORT_STATUS_FLAG_GUARDED), \
 166   _SHOW_PORT_STATUS_FLAG(flags, MACH_PORT_STATUS_FLAG_STRICT_GUARD), \
 167   _SHOW_PORT_STATUS_FLAG(flags, MACH_PORT_STATUS_FLAG_IMP_DONATION), \
 168   _SHOW_PORT_STATUS_FLAG(flags, MACH_PORT_STATUS_FLAG_REVIVE), \
 169   _SHOW_PORT_STATUS_FLAG(flags, MACH_PORT_STATUS_FLAG_TASKPTR)
 170
 171
 172 uint32_t show_recipe_detail(mach_voucher_attr_recipe_t recipe, char * voucher_outstr, uint32_t maxlen, JSON_t json);
 173 char *copy_voucher_detail(mach_port_t task, mach_port_name_t voucher, JSON_t json);
 174
 175 /* mach port related functions */
 176 const char * kobject_name(natural_t kotype);
 177 void get_receive_port_context(task_t taskp, mach_port_name_t portname, mach_port_context_t *context);
 178 int get_recieve_port_status(task_t taskp, mach_port_name_t portname, mach_port_info_ext_t *info);
 179 void show_task_mach_ports(my_per_task_info_t *taskinfo, uint32_t taskCount, my_per_task_info_t *allTaskInfos, JSON_t json);
 180
 181 /* task and thread related helper functions */
 182 kern_return_t collect_per_task_info(my_per_task_info_t *taskinfo, task_t target_task);
 183 my_per_task_info_t * allocate_taskinfo_memory(uint32_t taskCount);
 184 void deallocate_taskinfo_memory(my_per_task_info_t *data);
 185 kern_return_t print_task_exception_info(my_per_task_info_t *taskinfo, JSON_t json);
 186 kern_return_t print_task_threads_special_ports(my_per_task_info_t *taskinfo, JSON_t json);
 187 my_per_task_info_t * get_taskinfo_by_kobject(natural_t kobj);
 188
 189 void get_exc_behavior_string(exception_behavior_t b, char *out_string, size_t len);
 190 void get_exc_mask_string(exception_mask_t m, char *out_string, size_t len);
 191 kern_return_t get_taskinfo_of_receiver_by_send_right(ipc_info_name_t *sendright, my_per_task_info_t **out_taskinfo, mach_port_name_t *out_recv_info);
 192 kern_return_t get_ipc_info_from_lsmp_spaceinfo(mach_port_t port_name, ipc_info_name_t *out_sendright);
 193
 194 /* basic util functions */
 195 uint32_t print_hex_data(char *outstr, uint32_t maxlen, char *prefix, char *desc, void *addr, int len);
 196
 197 #endif