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linux/arch/ia64/ia32/ia32_entry.S

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Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
#include <asm/asmmacro.h>
#include <asm/ia32.h>
kbuild: ia64 use generic asm-offsets.h support Delete obsolete stuff from arch Makefile Rename file to asm-offsets.h The trick used in the arch Makefile to circumvent the circular dependency is kept. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
2005-09-09 22:03:13 +02:00
#include <asm/asm-offsets.h>
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
#include <asm/signal.h>
#include <asm/thread_info.h>
#include "../kernel/minstate.h"
/*
* execve() is special because in case of success, we need to
* setup a null register window frame (in case an IA-32 process
* is exec'ing an IA-64 program).
*/
ENTRY(ia32_execve)
.prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(3)
alloc loc1=ar.pfs,3,2,4,0
mov loc0=rp
.body
zxt4 out0=in0 // filename
;; // stop bit between alloc and call
zxt4 out1=in1 // argv
zxt4 out2=in2 // envp
add out3=16,sp // regs
br.call.sptk.few rp=sys32_execve
1: cmp.ge p6,p0=r8,r0
mov ar.pfs=loc1 // restore ar.pfs
;;
(p6) mov ar.pfs=r0 // clear ar.pfs in case of success
sxt4 r8=r8 // return 64-bit result
mov rp=loc0
br.ret.sptk.few rp
END(ia32_execve)
ENTRY(ia32_clone)
.prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(5)
alloc r16=ar.pfs,5,2,6,0
DO_SAVE_SWITCH_STACK
mov loc0=rp
mov loc1=r16 // save ar.pfs across do_fork
.body
zxt4 out1=in1 // newsp
mov out3=16 // stacksize (compensates for 16-byte scratch area)
adds out2=IA64_SWITCH_STACK_SIZE+16,sp // out2 = &regs
mov out0=in0 // out0 = clone_flags
zxt4 out4=in2 // out4 = parent_tidptr
zxt4 out5=in4 // out5 = child_tidptr
br.call.sptk.many rp=do_fork
.ret0: .restore sp
adds sp=IA64_SWITCH_STACK_SIZE,sp // pop the switch stack
mov ar.pfs=loc1
mov rp=loc0
br.ret.sptk.many rp
END(ia32_clone)
GLOBAL_ENTRY(ia32_ret_from_clone)
PT_REGS_UNWIND_INFO(0)
{ /*
* Some versions of gas generate bad unwind info if the first instruction of a
* procedure doesn't go into the first slot of a bundle. This is a workaround.
*/
nop.m 0
nop.i 0
/*
* We need to call schedule_tail() to complete the scheduling process.
* Called by ia64_switch_to after do_fork()->copy_thread(). r8 contains the
* address of the previously executing task.
*/
br.call.sptk.many rp=ia64_invoke_schedule_tail
}
.ret1:
adds r2=TI_FLAGS+IA64_TASK_SIZE,r13
;;
ld4 r2=[r2]
;;
mov r8=0
and r2=_TIF_SYSCALL_TRACEAUDIT,r2
;;
cmp.ne p6,p0=r2,r0
(p6) br.cond.spnt .ia32_strace_check_retval
;; // prevent RAW on r8
END(ia32_ret_from_clone)
// fall thrugh
GLOBAL_ENTRY(ia32_ret_from_syscall)
PT_REGS_UNWIND_INFO(0)
cmp.ge p6,p7=r8,r0 // syscall executed successfully?
adds r2=IA64_PT_REGS_R8_OFFSET+16,sp // r2 = &pt_regs.r8
;;
alloc r3=ar.pfs,0,0,0,0 // drop the syscall argument frame
st8 [r2]=r8 // store return value in slot for r8
br.cond.sptk.many ia64_leave_kernel
END(ia32_ret_from_syscall)
//
// Invoke a system call, but do some tracing before and after the call.
// We MUST preserve the current register frame throughout this routine
// because some system calls (such as ia64_execve) directly
// manipulate ar.pfs.
//
// Input:
// r8 = syscall number
// b6 = syscall entry point
//
GLOBAL_ENTRY(ia32_trace_syscall)
PT_REGS_UNWIND_INFO(0)
mov r3=-38
adds r2=IA64_PT_REGS_R8_OFFSET+16,sp
;;
st8 [r2]=r3 // initialize return code to -ENOSYS
br.call.sptk.few rp=syscall_trace_enter // give parent a chance to catch syscall args
.ret2: // Need to reload arguments (they may be changed by the tracing process)
adds r2=IA64_PT_REGS_R1_OFFSET+16,sp // r2 = &pt_regs.r1
adds r3=IA64_PT_REGS_R13_OFFSET+16,sp // r3 = &pt_regs.r13
mov r15=IA32_NR_syscalls
;;
ld4 r8=[r2],IA64_PT_REGS_R9_OFFSET-IA64_PT_REGS_R1_OFFSET
movl r16=ia32_syscall_table
;;
ld4 r33=[r2],8 // r9 == ecx
ld4 r37=[r3],16 // r13 == ebp
cmp.ltu.unc p6,p7=r8,r15
;;
ld4 r34=[r2],8 // r10 == edx
ld4 r36=[r3],8 // r15 == edi
(p6) shladd r16=r8,3,r16 // force ni_syscall if not valid syscall number
;;
ld8 r16=[r16]
;;
ld4 r32=[r2],8 // r11 == ebx
mov b6=r16
ld4 r35=[r3],8 // r14 == esi
br.call.sptk.few rp=b6 // do the syscall
.ia32_strace_check_retval:
cmp.lt p6,p0=r8,r0 // syscall failed?
adds r2=IA64_PT_REGS_R8_OFFSET+16,sp // r2 = &pt_regs.r8
;;
st8.spill [r2]=r8 // store return value in slot for r8
br.call.sptk.few rp=syscall_trace_leave // give parent a chance to catch return value
.ret4: alloc r2=ar.pfs,0,0,0,0 // drop the syscall argument frame
br.cond.sptk.many ia64_leave_kernel
END(ia32_trace_syscall)
GLOBAL_ENTRY(sys32_vfork)
alloc r16=ar.pfs,2,2,4,0;;
mov out0=IA64_CLONE_VFORK|IA64_CLONE_VM|SIGCHLD // out0 = clone_flags
br.cond.sptk.few .fork1 // do the work
END(sys32_vfork)
GLOBAL_ENTRY(sys32_fork)
.prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(2)
alloc r16=ar.pfs,2,2,4,0
mov out0=SIGCHLD // out0 = clone_flags
;;
.fork1:
mov loc0=rp
mov loc1=r16 // save ar.pfs across do_fork
DO_SAVE_SWITCH_STACK
.body
mov out1=0
mov out3=0
adds out2=IA64_SWITCH_STACK_SIZE+16,sp // out2 = &regs
br.call.sptk.few rp=do_fork
.ret5: .restore sp
adds sp=IA64_SWITCH_STACK_SIZE,sp // pop the switch stack
mov ar.pfs=loc1
mov rp=loc0
br.ret.sptk.many rp
END(sys32_fork)
.rodata
.align 8
.globl ia32_syscall_table
ia32_syscall_table:
data8 sys_ni_syscall /* 0 - old "setup(" system call*/
data8 sys_exit
data8 sys32_fork
data8 sys_read
data8 sys_write
[PATCH] remove duplicated sys_open32() code from 64bit archs 64 bit architectures all implement their own compatibility sys_open(), when in fact the difference is simply not forcing the O_LARGEFILE flag. So use the a common function instead. Signed-off-by: Miklos Szeredi <miklos@szeredi.hu> Cc: <viro@parcelfarce.linux.theplanet.co.uk> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-06 15:18:25 -07:00
data8 compat_sys_open /* 5 */
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
data8 sys_close
data8 sys32_waitpid
data8 sys_creat
data8 sys_link
data8 sys_unlink /* 10 */
data8 ia32_execve
data8 sys_chdir
data8 compat_sys_time
data8 sys_mknod
data8 sys_chmod /* 15 */
data8 sys_lchown /* 16-bit version */
data8 sys_ni_syscall /* old break syscall holder */
data8 sys_ni_syscall
data8 sys32_lseek
data8 sys_getpid /* 20 */
data8 compat_sys_mount
data8 sys_oldumount
data8 sys_setuid /* 16-bit version */
data8 sys_getuid /* 16-bit version */
data8 compat_sys_stime /* 25 */
data8 sys32_ptrace
data8 sys32_alarm
data8 sys_ni_syscall
data8 sys32_pause
data8 compat_sys_utime /* 30 */
data8 sys_ni_syscall /* old stty syscall holder */
data8 sys_ni_syscall /* old gtty syscall holder */
data8 sys_access
data8 sys_nice
data8 sys_ni_syscall /* 35 */ /* old ftime syscall holder */
data8 sys_sync
data8 sys_kill
data8 sys_rename
data8 sys_mkdir
data8 sys_rmdir /* 40 */
data8 sys_dup
data8 sys32_pipe
data8 compat_sys_times
data8 sys_ni_syscall /* old prof syscall holder */
data8 sys32_brk /* 45 */
data8 sys_setgid /* 16-bit version */
data8 sys_getgid /* 16-bit version */
data8 sys32_signal
data8 sys_geteuid /* 16-bit version */
data8 sys_getegid /* 16-bit version */ /* 50 */
data8 sys_acct
data8 sys_umount /* recycled never used phys( */
data8 sys_ni_syscall /* old lock syscall holder */
data8 compat_sys_ioctl
data8 compat_sys_fcntl /* 55 */
data8 sys_ni_syscall /* old mpx syscall holder */
data8 sys_setpgid
data8 sys_ni_syscall /* old ulimit syscall holder */
data8 sys_ni_syscall
data8 sys_umask /* 60 */
data8 sys_chroot
data8 sys_ustat
data8 sys_dup2
data8 sys_getppid
data8 sys_getpgrp /* 65 */
data8 sys_setsid
data8 sys32_sigaction
data8 sys_ni_syscall
data8 sys_ni_syscall
data8 sys_setreuid /* 16-bit version */ /* 70 */
data8 sys_setregid /* 16-bit version */
data8 sys32_sigsuspend
data8 compat_sys_sigpending
data8 sys_sethostname
data8 compat_sys_setrlimit /* 75 */
data8 compat_sys_old_getrlimit
data8 compat_sys_getrusage
data8 sys32_gettimeofday
data8 sys32_settimeofday
data8 sys32_getgroups16 /* 80 */
data8 sys32_setgroups16
data8 sys32_old_select
data8 sys_symlink
data8 sys_ni_syscall
data8 sys_readlink /* 85 */
data8 sys_uselib
data8 sys_swapon
data8 sys_reboot
data8 sys32_readdir
data8 sys32_mmap /* 90 */
data8 sys32_munmap
data8 sys_truncate
data8 sys_ftruncate
data8 sys_fchmod
data8 sys_fchown /* 16-bit version */ /* 95 */
data8 sys_getpriority
data8 sys_setpriority
data8 sys_ni_syscall /* old profil syscall holder */
data8 compat_sys_statfs
data8 compat_sys_fstatfs /* 100 */
data8 sys_ni_syscall /* ioperm */
data8 compat_sys_socketcall
data8 sys_syslog
data8 compat_sys_setitimer
data8 compat_sys_getitimer /* 105 */
data8 compat_sys_newstat
data8 compat_sys_newlstat
data8 compat_sys_newfstat
data8 sys_ni_syscall
data8 sys_ni_syscall /* iopl */ /* 110 */
data8 sys_vhangup
data8 sys_ni_syscall /* used to be sys_idle */
data8 sys_ni_syscall
data8 compat_sys_wait4
data8 sys_swapoff /* 115 */
[PATCH] Common compat_sys_sysinfo I noticed that almost all architectures implemented exactly the same sys32_sysinfo... except parisc, where a bug was to be found in handling of the uptime. So let's remove a whole whack of code for fun and profit. Cribbed compat_sys_sysinfo from x86_64's implementation, since I figured it would be the best tested. This patch incorporates Arnd's suggestion of not using set_fs/get_fs, but instead extracting out the common code from sys_sysinfo. Cc: Christoph Hellwig <hch@infradead.org> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-10 01:46:00 -08:00
data8 compat_sys_sysinfo
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
data8 sys32_ipc
data8 sys_fsync
data8 sys32_sigreturn
data8 ia32_clone /* 120 */
data8 sys_setdomainname
data8 sys32_newuname
data8 sys32_modify_ldt
[IA64] wire up compat_sys_adjtimex() Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
2006-04-18 21:14:22 -07:00
data8 compat_sys_adjtimex
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
data8 sys32_mprotect /* 125 */
data8 compat_sys_sigprocmask
data8 sys_ni_syscall /* create_module */
data8 sys_ni_syscall /* init_module */
data8 sys_ni_syscall /* delete_module */
data8 sys_ni_syscall /* get_kernel_syms */ /* 130 */
diskquota: 32bit quota tools on 64bit architectures OpenVZ Linux kernel team has discovered the problem with 32bit quota tools working on 64bit architectures. In 2.6.10 kernel sys32_quotactl() function was replaced by sys_quotactl() with the comment "sys_quotactl seems to be 32/64bit clean, enable it for 32bit" However this isn't right. Look at if_dqblk structure: struct if_dqblk { __u64 dqb_bhardlimit; __u64 dqb_bsoftlimit; __u64 dqb_curspace; __u64 dqb_ihardlimit; __u64 dqb_isoftlimit; __u64 dqb_curinodes; __u64 dqb_btime; __u64 dqb_itime; __u32 dqb_valid; }; For 32 bit quota tools sizeof(if_dqblk) == 0x44. But for 64 bit kernel its size is 0x48, 'cause of alignment! Thus we got a problem. Attached patch reintroduce sys32_quotactl() function, that handles this and related situations. [michal.k.k.piotrowski@gmail.com: build fix] [akpm@linux-foundation.org: Make it link with CONFIG_QUOTA=n] Signed-off-by: Vasily Tarasov <vtaras@openvz.org> Cc: Andi Kleen <ak@suse.de> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Jan Kara <jack@ucw.cz> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-15 23:41:12 -07:00
data8 sys32_quotactl
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
data8 sys_getpgid
data8 sys_fchdir
data8 sys_ni_syscall /* sys_bdflush */
data8 sys_sysfs /* 135 */
data8 sys32_personality
data8 sys_ni_syscall /* for afs_syscall */
data8 sys_setfsuid /* 16-bit version */
data8 sys_setfsgid /* 16-bit version */
data8 sys_llseek /* 140 */
data8 compat_sys_getdents
data8 compat_sys_select
data8 sys_flock
data8 sys32_msync
data8 compat_sys_readv /* 145 */
data8 compat_sys_writev
data8 sys_getsid
data8 sys_fdatasync
data8 sys32_sysctl
data8 sys_mlock /* 150 */
data8 sys_munlock
data8 sys_mlockall
data8 sys_munlockall
data8 sys_sched_setparam
data8 sys_sched_getparam /* 155 */
data8 sys_sched_setscheduler
data8 sys_sched_getscheduler
data8 sys_sched_yield
data8 sys_sched_get_priority_max
data8 sys_sched_get_priority_min /* 160 */
data8 sys32_sched_rr_get_interval
data8 compat_sys_nanosleep
data8 sys32_mremap
data8 sys_setresuid /* 16-bit version */
data8 sys32_getresuid16 /* 16-bit version */ /* 165 */
data8 sys_ni_syscall /* vm86 */
data8 sys_ni_syscall /* sys_query_module */
data8 sys_poll
data8 sys_ni_syscall /* nfsservctl */
data8 sys_setresgid /* 170 */
data8 sys32_getresgid16
data8 sys_prctl
data8 sys32_rt_sigreturn
data8 sys32_rt_sigaction
data8 sys32_rt_sigprocmask /* 175 */
data8 sys_rt_sigpending
data8 compat_sys_rt_sigtimedwait
data8 sys32_rt_sigqueueinfo
[IA64] Add TIF_RESTORE_SIGMASK Preparation for pselect and ppoll. ia32 compat code not tested. :-( Signed-off-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Signed-off-by: Alexey Dobriyan <adobriyan@openvz.org> Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-01-23 19:03:17 +03:00
data8 compat_sys_rt_sigsuspend
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
data8 sys32_pread /* 180 */
data8 sys32_pwrite
data8 sys_chown /* 16-bit version */
data8 sys_getcwd
data8 sys_capget
data8 sys_capset /* 185 */
data8 sys32_sigaltstack
data8 sys32_sendfile
data8 sys_ni_syscall /* streams1 */
data8 sys_ni_syscall /* streams2 */
data8 sys32_vfork /* 190 */
data8 compat_sys_getrlimit
data8 sys32_mmap2
data8 sys32_truncate64
data8 sys32_ftruncate64
data8 sys32_stat64 /* 195 */
data8 sys32_lstat64
data8 sys32_fstat64
data8 sys_lchown
data8 sys_getuid
data8 sys_getgid /* 200 */
data8 sys_geteuid
data8 sys_getegid
data8 sys_setreuid
data8 sys_setregid
data8 sys_getgroups /* 205 */
data8 sys_setgroups
data8 sys_fchown
data8 sys_setresuid
data8 sys_getresuid
data8 sys_setresgid /* 210 */
data8 sys_getresgid
data8 sys_chown
data8 sys_setuid
data8 sys_setgid
data8 sys_setfsuid /* 215 */
data8 sys_setfsgid
data8 sys_pivot_root
data8 sys_mincore
data8 sys_madvise
data8 compat_sys_getdents64 /* 220 */
data8 compat_sys_fcntl64
data8 sys_ni_syscall /* reserved for TUX */
data8 sys_ni_syscall /* reserved for Security */
data8 sys_gettid
data8 sys_readahead /* 225 */
data8 sys_setxattr
data8 sys_lsetxattr
data8 sys_fsetxattr
data8 sys_getxattr
data8 sys_lgetxattr /* 230 */
data8 sys_fgetxattr
data8 sys_listxattr
data8 sys_llistxattr
data8 sys_flistxattr
data8 sys_removexattr /* 235 */
data8 sys_lremovexattr
data8 sys_fremovexattr
data8 sys_tkill
data8 sys_sendfile64
data8 compat_sys_futex /* 240 */
data8 compat_sys_sched_setaffinity
data8 compat_sys_sched_getaffinity
data8 sys32_set_thread_area
data8 sys32_get_thread_area
data8 compat_sys_io_setup /* 245 */
data8 sys_io_destroy
data8 compat_sys_io_getevents
data8 compat_sys_io_submit
data8 sys_io_cancel
data8 sys_fadvise64 /* 250 */
data8 sys_ni_syscall
data8 sys_exit_group
data8 sys_lookup_dcookie
data8 sys_epoll_create
data8 sys32_epoll_ctl /* 255 */
data8 sys32_epoll_wait
data8 sys_remap_file_pages
data8 sys_set_tid_address
[PATCH] common compat_sys_timer_create The comment in compat.c is wrong, every architecture provides a get_compat_sigevent() for the IPC compat code already. This basically moves the x86_64 version to common code and removes all the others. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Paul Mackerras <paulus@samba.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: "David S. Miller" <davem@davemloft.net> Acked-by: Andi Kleen <ak@muc.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-09 20:52:08 -08:00
data8 compat_sys_timer_create
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
data8 compat_sys_timer_settime /* 260 */
data8 compat_sys_timer_gettime
data8 sys_timer_getoverrun
data8 sys_timer_delete
data8 compat_sys_clock_settime
data8 compat_sys_clock_gettime /* 265 */
data8 compat_sys_clock_getres
data8 compat_sys_clock_nanosleep
data8 compat_sys_statfs64
data8 compat_sys_fstatfs64
data8 sys_tgkill /* 270 */
data8 compat_sys_utimes
data8 sys32_fadvise64_64
data8 sys_ni_syscall
data8 sys_ni_syscall
data8 sys_ni_syscall /* 275 */
data8 sys_ni_syscall
data8 compat_sys_mq_open
data8 sys_mq_unlink
data8 compat_sys_mq_timedsend
data8 compat_sys_mq_timedreceive /* 280 */
data8 compat_sys_mq_notify
data8 compat_sys_mq_getsetattr
data8 sys_ni_syscall /* reserved for kexec */
data8 compat_sys_waitid
// guard against failures to increase IA32_NR_syscalls
.org ia32_syscall_table + 8*IA32_NR_syscalls
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