1/* 2 * Copyright (c) 2012 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29#ifdef KERNEL_PRIVATE 30 31#ifndef _PTHREAD_SHIMS_H_ 32#define _PTHREAD_SHIMS_H_ 33 34#ifndef ASSEMBLER 35 36#include <kern/clock.h> 37#include <kern/kern_types.h> 38#include <kern/locks.h> 39#include <sys/_types.h> 40#include <sys/_types/_sigset_t.h> 41#include <sys/kernel_types.h> 42#include <sys/proc_info.h> 43 44#ifndef PTHREAD_INTERNAL 45struct uthread; 46#define M_PROC 41 47#endif 48 49#ifdef NEEDS_SCHED_CALL_T 50typedef void (*sched_call_t)(int type, thread_t thread); 51#endif 52 53typedef struct pthread_functions_s { 54 int version; 55 56 /* internal calls, kernel core -> kext */ 57 void (*pthread_init)(void); 58 int (*fill_procworkqueue)(proc_t p, struct proc_workqueueinfo * pwqinfo); 59 void (*workqueue_init_lock)(proc_t p); 60 void (*workqueue_destroy_lock)(proc_t p); 61 void (*workqueue_exit)(struct proc *p); 62 void (*workqueue_mark_exiting)(struct proc *p); 63 void (*workqueue_thread_yielded)(void); 64 void (*pth_proc_hashinit)(proc_t p); 65 void (*pth_proc_hashdelete)(proc_t p); 66 67 /* syscall stubs */ 68 int (*bsdthread_create)(struct proc *p, user_addr_t user_func, user_addr_t user_funcarg, user_addr_t user_stack, user_addr_t user_pthread, uint32_t flags, user_addr_t *retval); 69 int (*bsdthread_register)(struct proc *p, user_addr_t threadstart, user_addr_t wqthread, int pthsize, user_addr_t dummy_value, user_addr_t targetconc_ptr, uint64_t dispatchqueue_offset, int32_t *retval); 70 int (*bsdthread_terminate)(struct proc *p, user_addr_t stackaddr, size_t size, uint32_t kthport, uint32_t sem, int32_t *retval); 71 int (*thread_selfid)(struct proc *p, uint64_t *retval); 72 int (*workq_kernreturn)(struct proc *p, int options, user_addr_t item, int affinity, int prio, int32_t *retval); 73 int (*workq_open)(struct proc *p, int32_t *retval); 74 75 /* psynch syscalls */ 76 int (*psynch_mutexwait)(proc_t p, user_addr_t mutex, uint32_t mgen, uint32_t ugen, uint64_t tid, uint32_t flags, uint32_t *retval); 77 int (*psynch_mutexdrop)(proc_t p, user_addr_t mutex, uint32_t mgen, uint32_t ugen, uint64_t tid, uint32_t flags, uint32_t *retval); 78 int (*psynch_cvbroad)(proc_t p, user_addr_t cv, uint64_t cvlsgen, uint64_t cvudgen, uint32_t flags, user_addr_t mutex, uint64_t mugen, uint64_t tid, uint32_t *retval); 79 int (*psynch_cvsignal)(proc_t p, user_addr_t cv, uint64_t cvlsgen, uint32_t cvugen, int thread_port, user_addr_t mutex, uint64_t mugen, uint64_t tid, uint32_t flags, uint32_t *retval); 80 int (*psynch_cvwait)(proc_t p, user_addr_t cv, uint64_t cvlsgen, uint32_t cvugen, user_addr_t mutex, uint64_t mugen, uint32_t flags, int64_t sec, uint32_t nsec, uint32_t * retval); 81 int (*psynch_cvclrprepost)(proc_t p, user_addr_t cv, uint32_t cvgen, uint32_t cvugen, uint32_t cvsgen, uint32_t prepocnt, uint32_t preposeq, uint32_t flags, int *retval); 82 int (*psynch_rw_longrdlock)(proc_t p, user_addr_t rwlock, uint32_t lgenval, uint32_t ugenval, uint32_t rw_wc, int flags, uint32_t *retval); 83 int (*psynch_rw_rdlock)(proc_t p, user_addr_t rwlock, uint32_t lgenval, uint32_t ugenval, uint32_t rw_wc, int flags, uint32_t *retval); 84 int (*psynch_rw_unlock)(proc_t p, user_addr_t rwlock, uint32_t lgenval, uint32_t ugenval, uint32_t rw_wc, int flags, uint32_t *retval); 85 int (*psynch_rw_wrlock)(proc_t p, user_addr_t rwlock, uint32_t lgenval, uint32_t ugenval, uint32_t rw_wc, int flags, uint32_t *retval); 86 int (*psynch_rw_yieldwrlock)(proc_t p, user_addr_t rwlock, uint32_t lgenval, uint32_t ugenval, uint32_t rw_wc, int flags, uint32_t *retval); 87 88 sched_call_t (*workqueue_get_sched_callback)(void); 89 90 /* padding for future */ 91 void* _pad[99]; 92} *pthread_functions_t; 93 94typedef struct pthread_callbacks_s { 95 int version; 96 97 /* config information */ 98 uint32_t config_thread_max; 99 uint32_t (*get_task_threadmax)(void); 100 101 /* proc.h accessors */ 102 uint64_t (*proc_get_register)(struct proc *t); 103 void (*proc_set_register)(struct proc *t); 104 105 user_addr_t (*proc_get_threadstart)(struct proc *t); 106 void (*proc_set_threadstart)(struct proc *t, user_addr_t addr); 107 user_addr_t (*proc_get_wqthread)(struct proc *t); 108 void (*proc_set_wqthread)(struct proc *t, user_addr_t addr); 109 int (*proc_get_pthsize)(struct proc *t); 110 void (*proc_set_pthsize)(struct proc *t, int size); 111 user_addr_t (*proc_get_targconc)(struct proc *t); 112 void (*proc_set_targconc)(struct proc *t, user_addr_t addr); 113 uint64_t (*proc_get_dispatchqueue_offset)(struct proc *t); 114 void (*proc_set_dispatchqueue_offset)(struct proc *t, uint64_t offset); 115 lck_spin_t* (*proc_get_wqlockptr)(struct proc *t); 116 boolean_t* (*proc_get_wqinitingptr)(struct proc *t); 117 void* (*proc_get_wqptr)(struct proc *t); 118 void (*proc_set_wqptr)(struct proc *t, void* ptr); 119 int (*proc_get_wqsize)(struct proc *t); 120 void (*proc_set_wqsize)(struct proc *t, int sz); 121 void (*proc_lock)(struct proc *t); 122 void (*proc_unlock)(struct proc *t); 123 task_t (*proc_get_task)(struct proc *t); 124 void* (*proc_get_pthhash)(struct proc *t); 125 void (*proc_set_pthhash)(struct proc *t, void* ptr); 126 127 /* bsd/sys/user.h */ 128 void* (*uthread_get_threadlist)(struct uthread *t); 129 void (*uthread_set_threadlist)(struct uthread *t, void* threadlist); 130 sigset_t (*uthread_get_sigmask)(struct uthread *t); 131 void (*uthread_set_sigmask)(struct uthread *t, sigset_t s); 132 void* (*uthread_get_uukwe)(struct uthread *t); 133 int (*uthread_get_returnval)(struct uthread *t); 134 void (*uthread_set_returnval)(struct uthread *t, int val); 135 int (*uthread_is_cancelled)(struct uthread *t); 136 137 /* vm_protos.h calls */ 138 ipc_space_t (*task_get_ipcspace)(task_t t); 139 mach_port_name_t (*ipc_port_copyout_send)(ipc_port_t sright, ipc_space_t space); 140 141 /* osfmk/vm/vm_map.h */ 142 kern_return_t (*vm_map_page_info)(vm_map_t map, vm_map_offset_t offset, vm_page_info_flavor_t flavor, vm_page_info_t info, mach_msg_type_number_t *count); 143 vm_map_t (*vm_map_switch)(vm_map_t map); 144 145 /* wq functions */ 146 kern_return_t (*thread_set_wq_state32)(thread_t thread, thread_state_t state); 147 kern_return_t (*thread_set_wq_state64)(thread_t thread, thread_state_t state); 148 149 /* sched_prim.h */ 150 void (*thread_exception_return)(); 151 void (*thread_bootstrap_return)(); 152 153 /* kern/clock.h */ 154 void (*absolutetime_to_microtime)(uint64_t abstime, clock_sec_t *secs, clock_usec_t *microsecs); 155 156 /* osfmk/kern/task.h */ 157 int (*proc_restore_workq_bgthreadpolicy)(thread_t t); 158 int (*proc_apply_workq_bgthreadpolicy)(thread_t t); 159 160 /* osfmk/kern/thread.h */ 161 struct uthread* (*get_bsdthread_info)(thread_t th); 162 void (*thread_sched_call)(thread_t t, sched_call_t call); 163 void (*thread_static_param)(thread_t t, boolean_t state); 164 kern_return_t (*thread_create_workq)(task_t t, thread_continue_t c, thread_t *new_t); 165 kern_return_t (*thread_policy_set_internal)(thread_t t, thread_policy_flavor_t flavour, thread_policy_t info, mach_msg_type_number_t count); 166 167 /* osfmk/kern/affinity.h */ 168 kern_return_t (*thread_affinity_set)(thread_t thread, uint32_t tag); 169 170 /* bsd/sys/systm.h */ 171 void (*unix_syscall_return)(int error); 172 173 /* osfmk/kern/zalloc.h */ 174 void* (*zalloc)(zone_t zone); 175 void (*zfree)(zone_t zone, void* ptr); 176 zone_t (*zinit)(vm_size_t, vm_size_t maxmem, vm_size_t alloc, const char *name); 177 178 /* bsd/kerb/kern_sig.c */ 179 void (*__pthread_testcancel)(int); 180 181 /* calls without portfolio */ 182 kern_return_t (*mach_port_deallocate)(ipc_space_t space, mach_port_name_t name); 183 kern_return_t (*semaphore_signal_internal_trap)(mach_port_name_t sema_name); 184 vm_map_t (*current_map)(void); 185 186 /* osfmk/kern/thread.h */ 187 ipc_port_t (*convert_thread_to_port)(thread_t th); 188 189 /* mach/task.h */ 190 kern_return_t (*thread_create)(task_t parent_task, thread_act_t *child_act); 191 192 /* mach/thread_act.h */ 193 kern_return_t (*thread_resume)(thread_act_t target_act); 194 195 /* osfmk/<arch>/machine_routines.h */ 196 int (*ml_get_max_cpus)(void); 197 198 199 /* <rdar://problem/12809089> xnu: struct proc p_dispatchqueue_serialno_offset additions */ 200 uint64_t (*proc_get_dispatchqueue_serialno_offset)(struct proc *p); 201 void (*proc_set_dispatchqueue_serialno_offset)(struct proc *p, uint64_t offset); 202 203 /* padding for future */ 204 void* _pad[98]; 205 206} *pthread_callbacks_t; 207 208void 209pthread_kext_register(pthread_functions_t fns, pthread_callbacks_t *callbacks); 210 211#ifdef BSD_KERNEL_PRIVATE 212void workqueue_mark_exiting(struct proc *); 213void workqueue_exit(struct proc *); 214void workqueue_thread_yielded(void); 215sched_call_t workqueue_get_sched_callback(void); 216void pthread_init(void); 217 218extern pthread_callbacks_t pthread_kern; 219extern pthread_functions_t pthread_functions; 220#endif 221 222#endif /* ASSEMBLER */ 223#endif /* _PTHREAD_SHIMS_H_ */ 224#endif /* KERNEL_PRIVATE */ 225