gems-kernel/source/THIRDPARTY/xnu/bsd/dev/dtrace/scripts/darwin.d
2024-06-03 11:29:39 -05:00

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D

/*
* Copyright (c) 2005-2006 Apple Computer, Inc. All rights reserved.
*
* @APPLE_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 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.
*
* @APPLE_LICENSE_HEADER_END@
*/
inline int UT_VFORK = 0x02000000; /* thread has vfork children */
#pragma D binding "1.0" UT_VFORK
inline uthread_t uthread = (mach_kernel`uthread_t)(&curthread[1]); /* ` */
#pragma D binding "1.0" uthread
inline struct proc * curproc =
((struct proc *)(curthread->t_tro->tro_proc)) != NULL ? ((struct proc *)(curthread->t_tro->tro_proc)) :
mach_kernel`kernproc; /* ` */
#pragma D binding "1.0" curproc
/*
* curthread->thread_tag will have this set if the thread is the main thread
*/
inline uint32_t THREAD_TAG_MAINTHREAD = 0x1;
inline uint32_t THREAD_TAG_CALLOUT = 0x2;
inline uint32_t THREAD_TAG_IOWORKLOOP = 0x4;
/*
* mach thread scheduler state
*/
inline int TH_WAIT = 0x01;
#pragma D binding "1.0" TH_WAIT
inline int TH_SUSP = 0x02;
#pragma D binding "1.0" TH_SUSP
inline int TH_RUN = 0x04;
#pragma D binding "1.0" TH_RUN
inline int TH_UNINT = 0x08;
#pragma D binding "1.0" TH_UNINT
inline int TH_TERMINATE = 0x10;
#pragma D binding "1.0" TH_TERMINATE
inline int TH_TERMINATE2 = 0x20;
#pragma D binding "1.0" TH_TERMINATE2
inline int TH_IDLE = 0x80;
#pragma D binding "1.0" TH_IDLE
/*
* The following miscellaneous constants are used by the proc(4) translators
* defined below.
*/
inline char SIDL = 1;
#pragma D binding "1.0" SIDL
inline char SRUN = 2;
#pragma D binding "1.0" SRUN
inline char SSLEEP = 3;
#pragma D binding "1.0" SSLEEP
inline char SSTOP = 4;
#pragma D binding "1.0" SSTOP
inline char SZOMB = 5;
#pragma D binding "1.0" SZOMB
/*
* SONPROC defined here for compatability with ported scripts
*/
inline char SONPROC = 6;
#pragma D binding "1.0" SONPROC
inline char SOBJ_NONE = 0;
#pragma D binding "1.0" SOBJ_NONE
/*
* SOBJ_* defined here for compatability with ported scripts
*/
inline char SOBJ_MUTEX = 1;
#pragma D binding "1.0" SOBJ_MUTEX
inline char SOBJ_RWLOCK = 2;
#pragma D binding "1.0" SOBJ_RWLOCK
inline char SOBJ_CV = 3;
#pragma D binding "1.0" SOBJ_CV
inline char SOBJ_SEMA = 4;
#pragma D binding "1.0" SOBJ_SEMA
inline char SOBJ_USER = 5;
#pragma D binding "1.0" SOBJ_USER
inline char SOBJ_USER_PI = 6;
#pragma D binding "1.0" SOBJ_USER_PI
inline char SOBJ_SHUTTLE = 7;
#pragma D binding "1.0" SOBJ_SHUTTLE
inline char PR_MODEL_ILP32 = 1;
#pragma D binding "1.0" PR_MODEL_ILP32
inline char PR_MODEL_LP64 = 2;
#pragma D binding "1.0" PR_MODEL_LP64
/*
* PR_* defined here for compatability with ported scripts
*/
inline int PR_STOPPED = 0x00000001;
#pragma D binding "1.0" PR_STOPPED
inline int PR_ISTOP = 0x00000002;
#pragma D binding "1.0" PR_ISTOP
inline int PR_DSTOP = 0x00000004;
#pragma D binding "1.0" PR_DSTOP
inline int PR_STEP = 0x00000008;
#pragma D binding "1.0" PR_STEP
inline int PR_ASLEEP = 0x00000010;
#pragma D binding "1.0" PR_ASLEEP
inline int PR_PCINVAL = 0x00000020;
#pragma D binding "1.0" PR_PCINVAL
inline int PR_ASLWP = 0x00000040;
#pragma D binding "1.0" PR_ASLWP
inline int PR_AGENT = 0x00000080;
#pragma D binding "1.0" PR_AGENT
inline int PR_DETACH = 0x00000100;
#pragma D binding "1.0" PR_DETACH
inline int PR_DAEMON = 0x00000200;
#pragma D binding "1.0" PR_DAEMON
inline int PR_ISSYS = 0x00001000;
#pragma D binding "1.0" PR_ISSYS
inline int PR_VFORKP = 0x00002000;
#pragma D binding "1.0" PR_VFORKP
inline int PR_ORPHAN = 0x00004000;
#pragma D binding "1.0" PR_ORPHAN
inline int PR_FORK = 0x00100000;
#pragma D binding "1.0" PR_FORK
inline int PR_RLC = 0x00200000;
#pragma D binding "1.0" PR_RLC
inline int PR_KLC = 0x00400000;
#pragma D binding "1.0" PR_KLC
inline int PR_ASYNC = 0x00800000;
#pragma D binding "1.0" PR_ASYNC
inline int PR_MSACCT = 0x01000000;
#pragma D binding "1.0" PR_MSACCT
inline int PR_BPTADJ = 0x02000000;
#pragma D binding "1.0" PR_BPTADJ
inline int PR_PTRACE = 0x04000000;
#pragma D binding "1.0" PR_PTRACE
inline int PR_MSFORK = 0x08000000;
#pragma D binding "1.0" PR_MSFORK
inline int PR_IDLE = 0x10000000;
#pragma D binding "1.0" PR_IDLE
/*
* Translate from the kernel's proc_t structure to a proc(4) psinfo_t struct.
* We do not provide support for pr_size, pr_rssize, pr_pctcpu, and pr_pctmem.
* We also do not fill in pr_lwp (the lwpsinfo_t for the representative LWP)
* because we do not have the ability to select and stop any representative.
* Also, for the moment, pr_wstat, pr_time, and pr_ctime are not supported,
* but these could be supported by DTrace in the future using subroutines.
* Note that any member added to this translator should also be added to the
* kthread_t-to-psinfo_t translator, below.
*/
typedef int taskid_t;
typedef int projid_t;
typedef int poolid_t;
typedef struct timespec timestruc_t; /* (SECONDS, NANOSECONDS) */
typedef struct psinfo {
int pr_nlwp; /* number of active lwps in the process */
pid_t pr_pid; /* unique process id */
pid_t pr_ppid; /* process id of parent */
pid_t pr_pgid; /* pid of process group leader */
pid_t pr_sid; /* session id */
uid_t pr_uid; /* real user id */
uid_t pr_euid; /* effective user id */
gid_t pr_gid; /* real group id */
gid_t pr_egid; /* effective group id */
uintptr_t pr_addr; /* address of process */
dev_t pr_ttydev; /* controlling tty device (or PRNODEV) */
timestruc_t pr_start;/* process start time, DEPRECATED, see pr_start_tv below */
char pr_fname[16]; /* name of execed file */
char pr_psargs[80]; /* initial characters of arg list */
int pr_argc; /* initial argument count */
user_addr_t pr_argv; /* address of initial argument vector */
user_addr_t pr_envp; /* address of initial environment vector */
char pr_dmodel; /* data model of the process */
taskid_t pr_taskid; /* task id */
projid_t pr_projid; /* project id */
poolid_t pr_poolid; /* pool id */
zoneid_t pr_zoneid; /* zone id */
struct timeval pr_start_tv; /* process start time, from the epoch (SECONDS, MICROSECONDS) */
} psinfo_t;
inline int P_LP64 = 0x00000004; /* Process is LP64 */
#pragma D binding "1.0" P_LP64
#pragma D binding "1.0" translator
translator psinfo_t < struct proc * P > {
pr_nlwp = ((struct task *)(P->p_proc_ro->pr_task))->thread_count;
pr_pid = P->p_pid;
pr_ppid = P->p_ppid;
pr_pgid = P->p_pgrp.__smr_ptr->pg_id;
pr_sid = P->p_pgrp.__smr_ptr->pg_session->s_sid;
pr_uid = P->p_proc_ro->p_ucred.__smr_ptr->cr_posix.cr_ruid;
pr_euid = P->p_proc_ro->p_ucred.__smr_ptr->cr_posix.cr_uid;
pr_gid = P->p_proc_ro->p_ucred.__smr_ptr->cr_posix.cr_rgid;
pr_egid = P->p_proc_ro->p_ucred.__smr_ptr->cr_posix.cr_groups[0];
pr_addr = (uintptr_t)P;
pr_ttydev = (P->p_pgrp.__smr_ptr->pg_session->s_ttyvp == NULL) ? (dev_t)-1 :
P->p_pgrp.__smr_ptr->pg_session->s_ttyp->t_dev;
/*
* timestruct_t (SECONDS, NANOSECONDS) is not available directly nor can a further translation
* be specified here. Zero the structure. Use pr_start_tv instead.
*/
pr_start = *((timestruc_t *)`dtrace_zero); /* ` */
pr_fname = P->p_comm;
pr_psargs = P->p_comm; /* XXX omits command line arguments XXX */
pr_argc = P->p_argc;
pr_argv = P->p_dtrace_argv;
pr_envp = P->p_dtrace_envp;
pr_dmodel = (P->p_flag & P_LP64) ? PR_MODEL_LP64 : PR_MODEL_ILP32;
pr_taskid = 0;
pr_projid = 0;
pr_poolid = 0;
pr_zoneid = 0;
/*
* pstats->pstart is a struct timeval: (SECONDS, MICROSECONDS).
*/
pr_start_tv = P->p_start;
};
/*
* Translate from the kernel's kthread_t structure to a proc(4) psinfo_t
* struct. Lacking a facility to define one translator only in terms of
* another, we explicitly define each member by using the proc_t-to-psinfo_t
* translator, above; any members added to that translator should also be
* added here. (The only exception to this is pr_start, which -- due to it
* being a structure -- cannot be defined in terms of a translator at all.)
*/
#pragma D binding "1.0" translator
translator psinfo_t < thread_t T > {
pr_nlwp = xlate <psinfo_t> (T->t_tro->tro_proc).pr_nlwp;
pr_pid = xlate <psinfo_t> (T->t_tro->tro_proc).pr_pid;
pr_ppid = xlate <psinfo_t> (T->t_tro->tro_proc).pr_ppid;
pr_pgid = xlate <psinfo_t> (T->t_tro->tro_proc).pr_pgid;
pr_sid = xlate <psinfo_t> (T->t_tro->tro_proc).pr_sid;
pr_uid = xlate <psinfo_t> (T->t_tro->tro_proc).pr_uid;
pr_euid = xlate <psinfo_t> (T->t_tro->tro_proc).pr_euid;
pr_gid = xlate <psinfo_t> (T->t_tro->tro_proc).pr_gid;
pr_egid = xlate <psinfo_t> (T->t_tro->tro_proc).pr_egid;
pr_addr = xlate <psinfo_t> (T->t_tro->tro_proc).pr_addr;
pr_ttydev = xlate <psinfo_t> (T->t_tro->tro_proc).pr_ttydev;
pr_start = xlate <psinfo_t> (T->t_tro->tro_proc).pr_start;
pr_fname = xlate <psinfo_t> (T->t_tro->tro_proc).pr_fname;
pr_psargs = xlate <psinfo_t> (T->t_tro->tro_proc).pr_psargs; /* XXX omits command line arguments XXX */
pr_argc = xlate <psinfo_t> (T->t_tro->tro_proc).pr_argc;
pr_argv = xlate <psinfo_t> (T->t_tro->tro_proc).pr_argv;
pr_envp = xlate <psinfo_t> (T->t_tro->tro_proc).pr_envp;
pr_dmodel = xlate <psinfo_t> (T->t_tro->tro_proc).pr_dmodel;
pr_taskid = xlate <psinfo_t> (T->t_tro->tro_proc).pr_taskid;
pr_projid = xlate <psinfo_t> (T->t_tro->tro_proc).pr_projid;
pr_poolid = xlate <psinfo_t> (T->t_tro->tro_proc).pr_poolid;
pr_zoneid = xlate <psinfo_t> (T->t_tro->tro_proc).pr_zoneid;
pr_start_tv = xlate <psinfo_t> (T->t_tro->tro_proc).pr_start_tv;
};
/*
* Translate from the kernel's kthread_t structure to a proc(4) lwpsinfo_t.
* We do not provide support for pr_nice, pr_oldpri, pr_cpu, or pr_pctcpu.
* Also, for the moment, pr_start and pr_time are not supported, but these
* could be supported by DTrace in the future using subroutines.
*/
inline processor_t PROCESSOR_NULL = ((processor_t) 0);
#pragma D binding "1.0" PROCESSOR_NULL
typedef int psetid_t;
typedef struct lwpsinfo {
int pr_flag; /* lwp flags (DEPRECATED; do not use) */
id_t pr_lwpid; /* lwp id */
uintptr_t pr_addr; /* internal address of lwp */
uintptr_t pr_wchan; /* wait addr for sleeping lwp */
char pr_stype; /* synchronization event type */
char pr_state; /* numeric lwp state */
char pr_sname; /* printable character for pr_state */
short pr_syscall; /* system call number (if in syscall) */
int pr_pri; /* priority, high value is high priority */
char pr_clname[8]; /* scheduling class name */
int pr_thstate; /* mach thread scheduler state */
processorid_t pr_onpro; /* processor which last ran this lwp */
processorid_t pr_bindpro; /* processor to which lwp is bound */
psetid_t pr_bindpset; /* processor set to which lwp is bound */
} lwpsinfo_t;
#pragma D binding "1.0" translator
translator lwpsinfo_t < thread_t T > {
pr_flag = 0; /* lwp flags (DEPRECATED; do not use) */
pr_lwpid = (id_t)T->thread_id;
pr_addr = (uintptr_t)T;
pr_wchan = (uintptr_t)(((uthread_t)&T[1])->uu_wchan);
pr_stype = SOBJ_NONE; /* XXX Undefined synch object (or none) XXX */
pr_state = curproc->p_stat;
pr_sname = (curproc->p_stat == SIDL) ? 'I' :
(curproc->p_stat == SRUN) ? 'R' :
(curproc->p_stat == SSLEEP) ? 'S' :
(curproc->p_stat == SSTOP) ? 'T' :
(curproc->p_stat == SZOMB) ? 'Z' : '?';
pr_syscall = ((uthread_t)&T[1])->uu_code;
pr_pri = T->sched_pri;
pr_clname = (T->sched_mode & 0x0001) ? "RT" :
(T->sched_mode & 0x0002) ? "TS" : "SYS";
pr_onpro = (T->last_processor == PROCESSOR_NULL) ? -1 : T->last_processor->cpu_id;
pr_bindpro = -1; /* Darwin does not bind threads to processors. */
pr_bindpset = -1; /* Darwin does not partition processors. */
pr_thstate = T->state;
};
inline psinfo_t *curpsinfo = xlate <psinfo_t *> (curproc);
#pragma D attributes Stable/Stable/Common curpsinfo
#pragma D binding "1.0" curpsinfo
inline lwpsinfo_t *curlwpsinfo = xlate <lwpsinfo_t *> (curthread);
#pragma D attributes Stable/Stable/Common curlwpsinfo
#pragma D binding "1.0" curlwpsinfo
/* XXX Really want vn_getpath(curproc->p_fd.fd_cdir, , ) but that takes namecache_rw_lock XXX */
inline string cwd = curproc->p_fd.fd_cdir->v_name == NULL ?
"<unknown>" : stringof(curproc->p_fd.fd_cdir->v_name);
#pragma D attributes Stable/Stable/Common cwd
#pragma D binding "1.0" cwd
/* XXX Really want vn_getpath(curproc->p_fd.fd_rdir, , ) but that takes namecache_rw_lock XXX */
inline string root = curproc->p_fd.fd_rdir == NULL ? "/" :
curproc->p_fd.fd_rdir->v_name == NULL ? "<unknown>" :
stringof(curproc->p_fd.fd_rdir->v_name);
#pragma D attributes Stable/Stable/Common root
#pragma D binding "1.0" root
/* Used with livedump. */
inline unsigned DT_HV = 0;
#pragma D binding "1.19" DT_HV