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2d88da2f06
freebsd-skq/sys/kern
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Konstantin Belousov 2d88da2f06 Move struct syscall_args syscall arguments parameters container into 
struct thread.

For all architectures, the syscall trap handlers have to allocate the
structure on the stack.  The structure takes 88 bytes on 64bit arches
which is not negligible.  Also, it cannot be easily found by other
code, which e.g. caused duplication of some members of the structure
to struct thread already.  The change removes td_dbg_sc_code and
td_dbg_sc_nargs which were directly copied from syscall_args.

The structure is put into the copied on fork part of the struct thread
to make the syscall arguments information correct in the child after
fork.

This move will also allow several more uses shortly.

Reviewed by:	jhb (previous version)
Sponsored by:	The FreeBSD Foundation
MFC after:	3 weeks
X-Differential revision:	https://reviews.freebsd.org/D11080
2017-06-12 21:03:23 +00:00
..
bus_if.m "Buses" is the preferred plural of "bus" 2017-01-15 17:54:01 +00:00
capabilities.conf Allow cpuset_{get,set}affinity in capabilities mode 2017-05-24 00:58:30 +00:00
clock_if.m
cpufreq_if.m
device_if.m Import the 'iflib' API library for network drivers. From the author: 2016-05-18 04:35:58 +00:00
genassym.sh Don't prefix zero with 0x in assym.s. 2017-04-13 15:43:44 +00:00
imgact_aout.c Implement vsyscall hack. Prior to 2.13 glibc uses vsyscall 2016-01-09 20:18:53 +00:00
imgact_binmisc.c tighten buffer bounds in imgact_binmisc_populate_interp 2017-03-21 18:02:14 +00:00
imgact_elf32.c
imgact_elf64.c
imgact_elf.c Add support for capturing 'struct ptrace_lwpinfo' for signals 2017-03-30 18:21:36 +00:00
imgact_gzip.c
imgact_shell.c
inflate.c Remove register keyword from sys/ and ANSIfy prototypes 2017-05-17 00:34:34 +00:00
init_main.c Move struct syscall_args syscall arguments parameters container into 2017-06-12 21:03:23 +00:00
init_sysent.c Followup to r318765 (capsicumize cpuset_*affinity) 2017-05-24 01:01:57 +00:00
kern_acct.c Commit the 64-bit inode project. 2017-05-23 09:29:05 +00:00
kern_alq.c Use SI_SUB_LAST instead of SI_SUB_SMP as the "catch-all" subsystem. 2016-03-11 23:18:06 +00:00
kern_clock.c Remove register keyword from sys/ and ANSIfy prototypes 2017-05-17 00:34:34 +00:00
kern_clocksource.c Remove cpu_deepest_sleep variable. 2017-02-24 16:11:55 +00:00
kern_condvar.c Introduce SCHEDULER_STOPPED_TD for use when the thread pointer was already read 2017-02-17 06:45:04 +00:00
kern_conf.c Undo r309891. Konstantin is right in that this condition normally 2016-12-12 19:11:04 +00:00
kern_cons.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
kern_context.c
kern_cpu.c Add an EARLY_AP_STARTUP option to start APs earlier during boot. 2016-05-14 18:22:52 +00:00
kern_cpuset.c Allow cpuset_{get,set}affinity in capabilities mode 2017-05-24 00:58:30 +00:00
kern_ctf.c Fix improper use of "its". 2016-11-08 23:59:41 +00:00
kern_descrip.c Add sysctl vfs.ino64_trunc_error controlling action on truncating 2017-06-05 11:40:30 +00:00
kern_dtrace.c
kern_dump.c Add support for encrypted kernel crash dumps. 2016-12-10 16:20:39 +00:00
kern_environment.c Create wrappers for uint64_t and int64_t for the tunables. While not 2016-04-15 03:09:55 +00:00
kern_et.c Add labels to sysctls related to clocks. 2016-12-14 12:56:58 +00:00
kern_event.c Use designated initializers for kevent_copyops. 2017-03-14 09:25:01 +00:00
kern_exec.c Remove register keyword from sys/ and ANSIfy prototypes 2017-05-17 00:34:34 +00:00
kern_exit.c Avoid reusing p_ksi while it is on queue. 2017-03-12 13:58:51 +00:00
kern_fail.c Avoid open-coding PRI_UNCHANGED. 2017-05-18 18:24:11 +00:00
kern_ffclock.c kernel: use our nitems() macro when it is available through param.h. 2016-04-19 23:48:27 +00:00
kern_fork.c Move struct syscall_args syscall arguments parameters container into 2017-06-12 21:03:23 +00:00
kern_gzio.c
kern_hhook.c Get closer to a VIMAGE network stack teardown from top to bottom rather 2016-06-21 13:48:49 +00:00
kern_idle.c
kern_intr.c Extend cpuset_get/setaffinity() APIs 2017-05-03 18:41:08 +00:00
kern_jail.c Jails: Optionally prevent jailed root from binding to privileged ports 2017-06-06 02:15:00 +00:00
kern_khelp.c
kern_kthread.c Re-schedule signals after kthread exits, since apparently there are 2016-08-10 13:47:12 +00:00
kern_ktr.c Fix the logic in the ddb command 'show ktr /a'. Prior to r118269 it would 2016-01-31 17:32:20 +00:00
kern_ktrace.c Ktracing kevent(2) calls with unusual arguments might leads to an 2017-03-12 13:48:24 +00:00
kern_linker.c In linker_load_file() print name of a file that failed to load. 2017-03-09 00:56:07 +00:00
kern_lock.c lockmgr: implement fast path 2017-02-12 09:49:44 +00:00
kern_lockf.c put very expensive sanity checks of advisory locks under DIAGNOSTIC 2017-01-30 15:20:13 +00:00
kern_lockstat.c mtx: microoptimize lockstat handling in __mtx_lock_sleep 2017-02-17 14:55:59 +00:00
kern_loginclass.c Speed up rctl operation with large rulesets, by holding the lock 2015-11-15 12:10:51 +00:00
kern_malloc.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
kern_mbuf.c Import the 'iflib' API library for network drivers. From the author: 2016-05-18 04:35:58 +00:00
kern_mib.c All these files need sys/vmmeter.h, but now they got it implicitly 2017-04-17 17:07:00 +00:00
kern_module.c Provide better debug message on kernel module name clash. 2015-10-10 09:21:55 +00:00
kern_mtxpool.c sys/kern: spelling fixes in comments. 2016-04-29 22:15:33 +00:00
kern_mutex.c mtx: fix whitespace damage in _mtx_trylock_flags_ 2017-05-30 02:25:47 +00:00
kern_ntptime.c ANSIfy kern_ntptime.c 2017-01-25 20:22:32 +00:00
kern_numa.c Remove unneeded include of vm_phys.h. 2017-04-17 16:51:04 +00:00
kern_osd.c osd(9): Change array pointer to array pointer type from void* 2016-04-26 19:57:35 +00:00
kern_physio.c Add four new RCTL resources - readbps, readiops, writebps and writeiops, 2016-04-07 04:23:25 +00:00
kern_pmc.c Cast values to (int) before comparing them to the range of the 2017-02-24 01:39:12 +00:00
kern_poll.c
kern_priv.c
kern_proc.c Ensure that cached struct thread does not keep spurious td_su 2017-06-03 14:12:17 +00:00
kern_procctl.c reaper: Make REAPER_KILL_SUBTREE actually work. 2016-12-14 22:49:20 +00:00
kern_prot.c Add security.bsd.see_jail_proc 2017-05-23 16:59:24 +00:00
kern_racct.c try to fix RACCT_RSS accounting 2017-02-14 13:54:05 +00:00
kern_rangelock.c
kern_rctl.c sys/kern: spelling fixes in comments. 2016-04-29 22:15:33 +00:00
kern_resource.c Remove register keyword from sys/ and ANSIfy prototypes 2017-05-17 00:34:34 +00:00
kern_rmlock.c Corrected misspelled versions of rendezvous. 2017-04-09 02:00:03 +00:00
kern_rwlock.c locks: ensure proper barriers are used with atomic ops when necessary 2017-03-01 05:06:21 +00:00
kern_sdt.c
kern_sema.c
kern_sendfile.c The data type returned by vmoff() is too narrow in its range. This could 2017-06-03 16:19:33 +00:00
kern_sharedpage.c Split kerne timekeep ABI structure vdso_sv_tk out of the struct 2015-11-23 07:09:35 +00:00
kern_shutdown.c Fix compilation of r314784 on 32 bit. 2017-03-06 22:32:56 +00:00
kern_sig.c Remove register keyword from sys/ and ANSIfy prototypes 2017-05-17 00:34:34 +00:00
kern_switch.c Add comments explaining unobvious td_critnest adjustments in 2017-01-22 19:41:42 +00:00
kern_sx.c locks: ensure proper barriers are used with atomic ops when necessary 2017-03-01 05:06:21 +00:00
kern_synch.c - Remove 'struct vmmeter' from 'struct pcpu', leaving only global vmmeter 2017-04-17 17:34:47 +00:00
kern_syscalls.c
kern_sysctl.c Print out name of non-dynamic sysctl in sysctl_remove_oid_locked 2017-03-22 05:27:20 +00:00
kern_tc.c Add missing pieces of r315280 2017-03-14 22:02:02 +00:00
kern_thr.c Defer ptracestop() signals that cannot be delivered immediately 2017-02-20 15:53:16 +00:00
kern_thread.c Move struct syscall_args syscall arguments parameters container into 2017-06-12 21:03:23 +00:00
kern_time.c Add clock_nanosleep() 2017-03-19 00:51:12 +00:00
kern_timeout.c Remove register keyword from sys/ and ANSIfy prototypes 2017-05-17 00:34:34 +00:00
kern_umtx.c When the RTC is adjusted, reevaluate absolute sleep times based on the RTC 2017-03-14 19:06:44 +00:00
kern_uuid.c Add a helper function for comparing struct uuids. 2017-06-12 20:14:44 +00:00
kern_xxx.c Remove register keyword from sys/ and ANSIfy prototypes 2017-05-17 00:34:34 +00:00
ksched.c Use P1B_PRIO_MAX to designate max posix priority for the RR/FIFO 2015-08-30 18:02:57 +00:00
link_elf_obj.c Reduce stack usage in link_elf_load_file(), allocating struct nameidata. 2017-03-09 00:45:15 +00:00
link_elf.c kern: for pointers replace 0 with NULL. 2016-04-15 16:10:11 +00:00
linker_if.m sys/kern: spelling fixes in comments. 2016-04-29 22:15:33 +00:00
Make.tags.inc Bring the tags and links entries for amd64 up to date. 2015-10-27 22:59:24 +00:00
Makefile Don't create pointless backups of generated files in "make sysent". 2016-07-28 21:29:04 +00:00
makesyscalls.sh Commit the 64-bit inode project. 2017-05-23 09:29:05 +00:00
md4c.c crypto routines: Hint minimum buffer sizes to the compiler 2016-05-26 19:29:29 +00:00
md5c.c crypto routines: Hint minimum buffer sizes to the compiler 2016-05-26 19:29:29 +00:00
msi_if.m Introduce MSI and MSI-X support to intrng. This adds a new msi device 2016-05-16 09:11:40 +00:00
p1003_1b.c
pic_if.m INTRNG: Rework handling with resources. Partially revert r301453. 2016-08-19 10:52:39 +00:00
posix4_mib.c posix4_mib: Don't overrun facility_initialized array 2016-04-27 00:10:32 +00:00
sched_4bsd.c Remove register keyword from sys/ and ANSIfy prototypes 2017-05-17 00:34:34 +00:00
sched_ule.c move thread switch tracing from mi_switch to sched_switch 2017-03-23 08:57:04 +00:00
serdev_if.m
stack_protector.c
subr_acl_nfs4.c Expose an interface to determine if an ACE is inherited. 2015-09-04 00:14:20 +00:00
subr_acl_posix1e.c
subr_autoconf.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
subr_blist.c Remove an unnecessary field from struct blist. (The comment describing 2017-06-10 16:11:39 +00:00
subr_bufring.c
subr_bus_dma.c Fix a bug introduced in r291716: 2016-01-11 20:38:39 +00:00
subr_bus.c "Buses" is the preferred plural of "bus" 2017-01-15 17:54:01 +00:00
subr_busdma_bufalloc.c Fix printf format to allow for bus_size_t not being u_long on all platforms. 2015-10-20 03:25:17 +00:00
subr_capability.c capsicum: plug spurious memset in __cap_rights_init 2015-12-01 02:48:42 +00:00
subr_clock.c Use time_t for intermediate values to avoid overflow in clock_ts_to_ct 2017-01-24 18:05:29 +00:00
subr_counter.c Zero return value when counter_rate() switches over to next second and 2016-12-13 20:11:45 +00:00
subr_devmap.c Include machine/acle-compat.h in cdefs.h on arm if the compiler doesn't 2016-05-25 19:44:26 +00:00
subr_devstat.c Add support for managing Shingled Magnetic Recording (SMR) drives. 2016-05-19 14:08:36 +00:00
subr_disk.c
subr_dummy_vdso_tc.c
subr_eventhandler.c
subr_fattime.c
subr_firmware.c Fix improper use of "its". 2016-11-08 23:59:41 +00:00
subr_gtaskqueue.c Extend cpuset_get/setaffinity() APIs 2017-05-03 18:41:08 +00:00
subr_hash.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
subr_hints.c
subr_intr.c - Remove 'struct vmmeter' from 'struct pcpu', leaving only global vmmeter 2017-04-17 17:34:47 +00:00
subr_kdb.c
subr_kobj.c - Also outside of the KOBJOPLOOKUP macro - which in turn is used by 2017-05-08 21:08:39 +00:00
subr_lock.c locks: follow up r313386 2017-02-07 16:01:07 +00:00
subr_log.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
subr_mbpool.c sys/kern: spelling fixes in comments. 2016-04-29 22:15:33 +00:00
subr_mchain.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
subr_module.c preload_search_info: make sure mod is set 2015-08-21 15:57:57 +00:00
subr_msgbuf.c sys/kern: spelling fixes in comments. 2016-04-29 22:15:33 +00:00
subr_param.c Allow sysctl kern.vm_guest to return bhyve when running under bhyve. 2017-06-08 04:02:14 +00:00
subr_pcpu.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
subr_pctrie.c sys: extend use of the howmany() macro when available. 2016-04-26 15:38:17 +00:00
subr_power.c
subr_prf.c Provide a comment on why stdio.h needs to be included. 2017-02-28 21:27:51 +00:00
subr_prof.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
subr_rman.c Add new bus methods for mapping resources. 2016-05-20 17:57:47 +00:00
subr_rtc.c Make resettodr_lock accessible outside subr_rtc.c. Protect 2016-09-21 10:15:08 +00:00
subr_sbuf.c Fail the sbuf if vsnprintf(3) fails. 2015-10-02 09:23:14 +00:00
subr_scanf.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
subr_sfbuf.c subr_sfbus.c need sys/proc.h for struct thread definition. 2017-02-07 17:31:24 +00:00
subr_sglist.c Add sglist_append_sglist(). 2017-05-16 23:31:52 +00:00
subr_sleepqueue.c Add missing pieces of r315280 2017-03-14 22:02:02 +00:00
subr_smp.c Corrected misspelled versions of rendezvous. 2017-04-09 02:00:03 +00:00
subr_stack.c Add support for a configurable output channel to witness(4). 2015-11-19 05:56:59 +00:00
subr_syscall.c Move struct syscall_args syscall arguments parameters container into 2017-06-12 21:03:23 +00:00
subr_taskqueue.c Implement taskqueue_poll_is_busy() for use by the LinuxKPI. 2017-03-02 12:20:23 +00:00
subr_terminal.c Oops, my fix for bright colors broke bright black some more (in cases 2017-03-27 10:48:28 +00:00
subr_trap.c - Remove 'struct vmmeter' from 'struct pcpu', leaving only global vmmeter 2017-04-17 17:34:47 +00:00
subr_turnstile.c ddb(4): Add sleepchains to "show allchains" 2016-10-22 18:02:20 +00:00
subr_uio.c Switch copyout_map() to use vm_mmap_object() instead of vm_mmap(). 2017-02-12 20:54:31 +00:00
subr_unit.c Clean up trailing whitespace 2017-01-14 04:16:13 +00:00
subr_vmem.c subr_vmem: Fix double-free in error case of vmem_create 2016-05-11 23:16:11 +00:00
subr_witness.c Make witness_warn() always print to the console. 2017-02-05 02:27:04 +00:00
sys_capability.c capsicum: perform copyout without the fildesc lock held in sys_cap_ioctls_get 2016-10-21 16:12:23 +00:00
sys_generic.c Fix NULL pointer dereference and panic with shm file pread/pwrite. 2017-03-10 10:09:44 +00:00
sys_pipe.c Generate syscall tables and update pipe() implementation after r302094. 2016-06-22 21:18:19 +00:00
sys_procdesc.c Hide the boottime and bootimebin globals, provide the getboottime(9) 2016-07-27 11:08:59 +00:00
sys_process.c Move struct syscall_args syscall arguments parameters container into 2017-06-12 21:03:23 +00:00
sys_socket.c Fix stat(2) on a listening socket. 2017-06-09 15:54:48 +00:00
syscalls.c Regen. 2017-05-23 09:30:42 +00:00
syscalls.master Commit the 64-bit inode project. 2017-05-23 09:29:05 +00:00
systrace_args.c Regen. 2017-05-23 09:30:42 +00:00
sysv_ipc.c
sysv_msg.c Remove register keyword from sys/ and ANSIfy prototypes 2017-05-17 00:34:34 +00:00
sysv_sem.c Audit arguments to System V IPC system calls implementing sempahores, 2017-03-30 22:26:15 +00:00
sysv_shm.c Audit arguments to System V IPC system calls implementing sempahores, 2017-03-30 22:26:15 +00:00
tty_compat.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
tty_info.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
tty_inq.c Check tty_gone() after allocating IO buffers. The tty lock has to be 2017-01-13 16:37:38 +00:00
tty_outq.c Check tty_gone() after allocating IO buffers. The tty lock has to be 2017-01-13 16:37:38 +00:00
tty_pts.c Commit the 64-bit inode project. 2017-05-23 09:29:05 +00:00
tty_tty.c
tty_ttydisc.c Don't clear the software flow control flag before draining for last 2016-01-26 14:46:39 +00:00
tty.c Commit the 64-bit inode project. 2017-05-23 09:29:05 +00:00
uipc_accf.c Listening sockets improvements. 2017-06-08 21:30:34 +00:00
uipc_debug.c Listening sockets improvements. 2017-06-08 21:30:34 +00:00
uipc_domain.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
uipc_mbuf2.c Remove writability requirement for single-mbuf, contiguous-range 2017-01-12 06:38:03 +00:00
uipc_mbuf.c m_mbuftouio() doesn't modify the mbuf. 2017-03-07 19:00:50 +00:00
uipc_mbufhash.c
uipc_mqueue.c Audit arguments to POSIX message queues, semaphores, and shared memory. 2017-03-31 13:43:00 +00:00
uipc_sem.c Audit arguments to POSIX message queues, semaphores, and shared memory. 2017-03-31 13:43:00 +00:00
uipc_shm.c Audit arguments to POSIX message queues, semaphores, and shared memory. 2017-03-31 13:43:00 +00:00
uipc_sockbuf.c Listening sockets improvements. 2017-06-08 21:30:34 +00:00
uipc_socket.c Listening sockets improvements. 2017-06-08 21:30:34 +00:00
uipc_syscalls.c Listening sockets improvements. 2017-06-08 21:30:34 +00:00
uipc_usrreq.c Listening sockets improvements. 2017-06-08 21:30:34 +00:00
vfs_acl.c Add system-call argument auditing for ACL-related system calls. 2017-03-30 22:00:58 +00:00
vfs_aio.c Rework r313352. 2017-02-13 09:04:38 +00:00
vfs_bio.c Make it possible to terminate "show lockedbufs" by pressing "q". 2017-04-23 22:20:25 +00:00
vfs_cache.c cache: stop holding the ncneg_hot lock across purging 2017-05-04 03:11:59 +00:00
vfs_cluster.c Move bogus_page declaration to vm_page.h and initialization to vm_page.c. 2017-01-04 22:27:19 +00:00
vfs_default.c For UNIX sockets make vnode point not to the socket, but to the UNIX PCB, 2017-06-02 17:31:25 +00:00
vfs_export.c Remove register keyword from sys/ and ANSIfy prototypes 2017-05-17 00:34:34 +00:00
vfs_extattr.c
vfs_hash.c Add vfs_hash_ref(9) function, which finds a vnode by the hash value 2016-05-11 06:32:22 +00:00
vfs_init.c Renumber license clauses in sys/kern to avoid skipping #3 2016-09-15 13:16:20 +00:00
vfs_lookup.c Use UMA_ALIGN_PTR instead of sizeof(void *) for zone alignment. 2017-03-15 18:23:32 +00:00
vfs_mount.c Remove register keyword from sys/ and ANSIfy prototypes 2017-05-17 00:34:34 +00:00
vfs_mountroot.c Make root_mount_hold() work after boot. This is important for two 2017-02-06 20:44:34 +00:00
vfs_subr.c For UNIX sockets make vnode point not to the socket, but to the UNIX PCB, 2017-06-02 17:31:25 +00:00
vfs_syscalls.c Enhance vfs.ino64_trunc_error sysctl. 2017-06-09 11:17:08 +00:00
vfs_vnops.c Use whole mnt_stat.f_fsid bits for st_dev. 2017-05-27 17:00:30 +00:00
vnode_if.src For UNIX sockets make vnode point not to the socket, but to the UNIX PCB, 2017-06-02 17:31:25 +00:00