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Date: Sun, 19 Feb 2012 16:07:55 -0800
From: "H. Peter Anvin" <hpa@...or.com>
To: linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Cc: mingo@...nel.org, tglx@...utronix.de, hpa@...or.com,
torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
hjl.tools@...il.com
Subject: [PATCH 17/30] x32: Add x32 system calls to syscall/syscall_64.tbl
From: "H. Peter Anvin" <hpa@...or.com>
Split the 64-bit system calls into "64" (64-bit only) and "common"
(64-bit or x32) and add the x32 system call numbers.
Signed-off-by: H. Peter Anvin <hpa@...or.com>
---
arch/x86/kernel/asm-offsets_64.c | 2 +
arch/x86/kernel/syscall_64.c | 3 +
arch/x86/syscalls/Makefile | 2 +-
arch/x86/syscalls/syscall_64.tbl | 579 ++++++++++++++++++++------------------
arch/x86/um/sys_call_table_64.c | 3 +
arch/x86/um/user-offsets.c | 2 +
6 files changed, 317 insertions(+), 274 deletions(-)
diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c
index 834e897..c3354f7 100644
--- a/arch/x86/kernel/asm-offsets_64.c
+++ b/arch/x86/kernel/asm-offsets_64.c
@@ -1,6 +1,8 @@
#include <asm/ia32.h>
#define __SYSCALL_64(nr, sym, compat) [nr] = 1,
+#define __SYSCALL_COMMON(nr, sym, compat) [nr] = 1,
+#define __SYSCALL_X32(nr, sym, compat) /* Not yet */
static char syscalls_64[] = {
#include <asm/syscalls_64.h>
};
diff --git a/arch/x86/kernel/syscall_64.c b/arch/x86/kernel/syscall_64.c
index 7ac7943..26c4ca1 100644
--- a/arch/x86/kernel/syscall_64.c
+++ b/arch/x86/kernel/syscall_64.c
@@ -5,6 +5,9 @@
#include <linux/cache.h>
#include <asm/asm-offsets.h>
+#define __SYSCALL_COMMON(nr, sym, compat) __SYSCALL_64(nr, sym, compat)
+#define __SYSCALL_X32(nr, sym, compat) /* Not yet */
+
#define __SYSCALL_64(nr, sym, compat) extern asmlinkage void sym(void) ;
#include <asm/syscalls_64.h>
#undef __SYSCALL_64
diff --git a/arch/x86/syscalls/Makefile b/arch/x86/syscalls/Makefile
index 564b247..89dd958 100644
--- a/arch/x86/syscalls/Makefile
+++ b/arch/x86/syscalls/Makefile
@@ -24,7 +24,7 @@ syshdr_pfx_unistd_32_ia32 := ia32_
$(out)/unistd_32_ia32.h: $(syscall32) $(syshdr)
$(call if_changed,syshdr)
-syshdr_abi_unistd_64 := 64
+syshdr_abi_unistd_64 := common,64
$(out)/unistd_64.h: $(syscall64) $(syshdr)
$(call if_changed,syshdr)
diff --git a/arch/x86/syscalls/syscall_64.tbl b/arch/x86/syscalls/syscall_64.tbl
index b440a8f..4aecc7e 100644
--- a/arch/x86/syscalls/syscall_64.tbl
+++ b/arch/x86/syscalls/syscall_64.tbl
@@ -4,317 +4,350 @@
# The format is:
# <number> <abi> <name> <entry point>
#
-# The abi is always "64" for this file (for now.)
+# The abi is "common", "64" or "x32" for this file.
#
-0 64 read sys_read
-1 64 write sys_write
-2 64 open sys_open
-3 64 close sys_close
-4 64 stat sys_newstat
-5 64 fstat sys_newfstat
-6 64 lstat sys_newlstat
-7 64 poll sys_poll
-8 64 lseek sys_lseek
-9 64 mmap sys_mmap
-10 64 mprotect sys_mprotect
-11 64 munmap sys_munmap
-12 64 brk sys_brk
+0 common read sys_read
+1 common write sys_write
+2 common open sys_open
+3 common close sys_close
+4 common stat sys_newstat
+5 common fstat sys_newfstat
+6 common lstat sys_newlstat
+7 common poll sys_poll
+8 common lseek sys_lseek
+9 common mmap sys_mmap
+10 common mprotect sys_mprotect
+11 common munmap sys_munmap
+12 common brk sys_brk
13 64 rt_sigaction sys_rt_sigaction
-14 64 rt_sigprocmask sys_rt_sigprocmask
+14 common rt_sigprocmask sys_rt_sigprocmask
15 64 rt_sigreturn stub_rt_sigreturn
16 64 ioctl sys_ioctl
-17 64 pread64 sys_pread64
-18 64 pwrite64 sys_pwrite64
+17 common pread64 sys_pread64
+18 common pwrite64 sys_pwrite64
19 64 readv sys_readv
20 64 writev sys_writev
-21 64 access sys_access
-22 64 pipe sys_pipe
-23 64 select sys_select
-24 64 sched_yield sys_sched_yield
-25 64 mremap sys_mremap
-26 64 msync sys_msync
-27 64 mincore sys_mincore
-28 64 madvise sys_madvise
-29 64 shmget sys_shmget
-30 64 shmat sys_shmat
-31 64 shmctl sys_shmctl
-32 64 dup sys_dup
-33 64 dup2 sys_dup2
-34 64 pause sys_pause
-35 64 nanosleep sys_nanosleep
-36 64 getitimer sys_getitimer
-37 64 alarm sys_alarm
-38 64 setitimer sys_setitimer
-39 64 getpid sys_getpid
-40 64 sendfile sys_sendfile64
-41 64 socket sys_socket
-42 64 connect sys_connect
-43 64 accept sys_accept
-44 64 sendto sys_sendto
+21 common access sys_access
+22 common pipe sys_pipe
+23 common select sys_select
+24 common sched_yield sys_sched_yield
+25 common mremap sys_mremap
+26 common msync sys_msync
+27 common mincore sys_mincore
+28 common madvise sys_madvise
+29 common shmget sys_shmget
+30 common shmat sys_shmat
+31 common shmctl sys_shmctl
+32 common dup sys_dup
+33 common dup2 sys_dup2
+34 common pause sys_pause
+35 common nanosleep sys_nanosleep
+36 common getitimer sys_getitimer
+37 common alarm sys_alarm
+38 common setitimer sys_setitimer
+39 common getpid sys_getpid
+40 common sendfile sys_sendfile64
+41 common socket sys_socket
+42 common connect sys_connect
+43 common accept sys_accept
+44 common sendto sys_sendto
45 64 recvfrom sys_recvfrom
46 64 sendmsg sys_sendmsg
47 64 recvmsg sys_recvmsg
-48 64 shutdown sys_shutdown
-49 64 bind sys_bind
-50 64 listen sys_listen
-51 64 getsockname sys_getsockname
-52 64 getpeername sys_getpeername
-53 64 socketpair sys_socketpair
-54 64 setsockopt sys_setsockopt
-55 64 getsockopt sys_getsockopt
-56 64 clone stub_clone
-57 64 fork stub_fork
-58 64 vfork stub_vfork
+48 common shutdown sys_shutdown
+49 common bind sys_bind
+50 common listen sys_listen
+51 common getsockname sys_getsockname
+52 common getpeername sys_getpeername
+53 common socketpair sys_socketpair
+54 common setsockopt sys_setsockopt
+55 common getsockopt sys_getsockopt
+56 common clone stub_clone
+57 common fork stub_fork
+58 common vfork stub_vfork
59 64 execve stub_execve
-60 64 exit sys_exit
-61 64 wait4 sys_wait4
-62 64 kill sys_kill
-63 64 uname sys_newuname
-64 64 semget sys_semget
-65 64 semop sys_semop
-66 64 semctl sys_semctl
-67 64 shmdt sys_shmdt
-68 64 msgget sys_msgget
-69 64 msgsnd sys_msgsnd
-70 64 msgrcv sys_msgrcv
-71 64 msgctl sys_msgctl
-72 64 fcntl sys_fcntl
-73 64 flock sys_flock
-74 64 fsync sys_fsync
-75 64 fdatasync sys_fdatasync
-76 64 truncate sys_truncate
-77 64 ftruncate sys_ftruncate
-78 64 getdents sys_getdents
-79 64 getcwd sys_getcwd
-80 64 chdir sys_chdir
-81 64 fchdir sys_fchdir
-82 64 rename sys_rename
-83 64 mkdir sys_mkdir
-84 64 rmdir sys_rmdir
-85 64 creat sys_creat
-86 64 link sys_link
-87 64 unlink sys_unlink
-88 64 symlink sys_symlink
-89 64 readlink sys_readlink
-90 64 chmod sys_chmod
-91 64 fchmod sys_fchmod
-92 64 chown sys_chown
-93 64 fchown sys_fchown
-94 64 lchown sys_lchown
-95 64 umask sys_umask
-96 64 gettimeofday sys_gettimeofday
-97 64 getrlimit sys_getrlimit
-98 64 getrusage sys_getrusage
-99 64 sysinfo sys_sysinfo
+60 common exit sys_exit
+61 common wait4 sys_wait4
+62 common kill sys_kill
+63 common uname sys_newuname
+64 common semget sys_semget
+65 common semop sys_semop
+66 common semctl sys_semctl
+67 common shmdt sys_shmdt
+68 common msgget sys_msgget
+69 common msgsnd sys_msgsnd
+70 common msgrcv sys_msgrcv
+71 common msgctl sys_msgctl
+72 common fcntl sys_fcntl
+73 common flock sys_flock
+74 common fsync sys_fsync
+75 common fdatasync sys_fdatasync
+76 common truncate sys_truncate
+77 common ftruncate sys_ftruncate
+78 common getdents sys_getdents
+79 common getcwd sys_getcwd
+80 common chdir sys_chdir
+81 common fchdir sys_fchdir
+82 common rename sys_rename
+83 common mkdir sys_mkdir
+84 common rmdir sys_rmdir
+85 common creat sys_creat
+86 common link sys_link
+87 common unlink sys_unlink
+88 common symlink sys_symlink
+89 common readlink sys_readlink
+90 common chmod sys_chmod
+91 common fchmod sys_fchmod
+92 common chown sys_chown
+93 common fchown sys_fchown
+94 common lchown sys_lchown
+95 common umask sys_umask
+96 common gettimeofday sys_gettimeofday
+97 common getrlimit sys_getrlimit
+98 common getrusage sys_getrusage
+99 common sysinfo sys_sysinfo
100 64 times sys_times
-101 64 ptrace sys_ptrace
-102 64 getuid sys_getuid
-103 64 syslog sys_syslog
-104 64 getgid sys_getgid
-105 64 setuid sys_setuid
-106 64 setgid sys_setgid
-107 64 geteuid sys_geteuid
-108 64 getegid sys_getegid
-109 64 setpgid sys_setpgid
-110 64 getppid sys_getppid
-111 64 getpgrp sys_getpgrp
-112 64 setsid sys_setsid
-113 64 setreuid sys_setreuid
-114 64 setregid sys_setregid
-115 64 getgroups sys_getgroups
-116 64 setgroups sys_setgroups
-117 64 setresuid sys_setresuid
-118 64 getresuid sys_getresuid
-119 64 setresgid sys_setresgid
-120 64 getresgid sys_getresgid
-121 64 getpgid sys_getpgid
-122 64 setfsuid sys_setfsuid
-123 64 setfsgid sys_setfsgid
-124 64 getsid sys_getsid
-125 64 capget sys_capget
-126 64 capset sys_capset
+101 common ptrace sys_ptrace
+102 common getuid sys_getuid
+103 common syslog sys_syslog
+104 common getgid sys_getgid
+105 common setuid sys_setuid
+106 common setgid sys_setgid
+107 common geteuid sys_geteuid
+108 common getegid sys_getegid
+109 common setpgid sys_setpgid
+110 common getppid sys_getppid
+111 common getpgrp sys_getpgrp
+112 common setsid sys_setsid
+113 common setreuid sys_setreuid
+114 common setregid sys_setregid
+115 common getgroups sys_getgroups
+116 common setgroups sys_setgroups
+117 common setresuid sys_setresuid
+118 common getresuid sys_getresuid
+119 common setresgid sys_setresgid
+120 common getresgid sys_getresgid
+121 common getpgid sys_getpgid
+122 common setfsuid sys_setfsuid
+123 common setfsgid sys_setfsgid
+124 common getsid sys_getsid
+125 common capget sys_capget
+126 common capset sys_capset
127 64 rt_sigpending sys_rt_sigpending
128 64 rt_sigtimedwait sys_rt_sigtimedwait
129 64 rt_sigqueueinfo sys_rt_sigqueueinfo
-130 64 rt_sigsuspend sys_rt_sigsuspend
+130 common rt_sigsuspend sys_rt_sigsuspend
131 64 sigaltstack stub_sigaltstack
-132 64 utime sys_utime
-133 64 mknod sys_mknod
+132 common utime sys_utime
+133 common mknod sys_mknod
134 64 uselib
-135 64 personality sys_personality
-136 64 ustat sys_ustat
-137 64 statfs sys_statfs
-138 64 fstatfs sys_fstatfs
-139 64 sysfs sys_sysfs
-140 64 getpriority sys_getpriority
-141 64 setpriority sys_setpriority
-142 64 sched_setparam sys_sched_setparam
-143 64 sched_getparam sys_sched_getparam
-144 64 sched_setscheduler sys_sched_setscheduler
-145 64 sched_getscheduler sys_sched_getscheduler
-146 64 sched_get_priority_max sys_sched_get_priority_max
-147 64 sched_get_priority_min sys_sched_get_priority_min
-148 64 sched_rr_get_interval sys_sched_rr_get_interval
-149 64 mlock sys_mlock
-150 64 munlock sys_munlock
-151 64 mlockall sys_mlockall
-152 64 munlockall sys_munlockall
-153 64 vhangup sys_vhangup
-154 64 modify_ldt sys_modify_ldt
-155 64 pivot_root sys_pivot_root
+135 common personality sys_personality
+136 common ustat sys_ustat
+137 common statfs sys_statfs
+138 common fstatfs sys_fstatfs
+139 common sysfs sys_sysfs
+140 common getpriority sys_getpriority
+141 common setpriority sys_setpriority
+142 common sched_setparam sys_sched_setparam
+143 common sched_getparam sys_sched_getparam
+144 common sched_setscheduler sys_sched_setscheduler
+145 common sched_getscheduler sys_sched_getscheduler
+146 common sched_get_priority_max sys_sched_get_priority_max
+147 common sched_get_priority_min sys_sched_get_priority_min
+148 common sched_rr_get_interval sys_sched_rr_get_interval
+149 common mlock sys_mlock
+150 common munlock sys_munlock
+151 common mlockall sys_mlockall
+152 common munlockall sys_munlockall
+153 common vhangup sys_vhangup
+154 common modify_ldt sys_modify_ldt
+155 common pivot_root sys_pivot_root
156 64 _sysctl sys_sysctl
-157 64 prctl sys_prctl
-158 64 arch_prctl sys_arch_prctl
-159 64 adjtimex sys_adjtimex
-160 64 setrlimit sys_setrlimit
-161 64 chroot sys_chroot
-162 64 sync sys_sync
-163 64 acct sys_acct
-164 64 settimeofday sys_settimeofday
-165 64 mount sys_mount
-166 64 umount2 sys_umount
-167 64 swapon sys_swapon
-168 64 swapoff sys_swapoff
-169 64 reboot sys_reboot
-170 64 sethostname sys_sethostname
-171 64 setdomainname sys_setdomainname
-172 64 iopl stub_iopl
-173 64 ioperm sys_ioperm
+157 common prctl sys_prctl
+158 common arch_prctl sys_arch_prctl
+159 common adjtimex sys_adjtimex
+160 common setrlimit sys_setrlimit
+161 common chroot sys_chroot
+162 common sync sys_sync
+163 common acct sys_acct
+164 common settimeofday sys_settimeofday
+165 common mount sys_mount
+166 common umount2 sys_umount
+167 common swapon sys_swapon
+168 common swapoff sys_swapoff
+169 common reboot sys_reboot
+170 common sethostname sys_sethostname
+171 common setdomainname sys_setdomainname
+172 common iopl stub_iopl
+173 common ioperm sys_ioperm
174 64 create_module
-175 64 init_module sys_init_module
-176 64 delete_module sys_delete_module
+175 common init_module sys_init_module
+176 common delete_module sys_delete_module
177 64 get_kernel_syms
178 64 query_module
-179 64 quotactl sys_quotactl
+179 common quotactl sys_quotactl
180 64 nfsservctl
-181 64 getpmsg
-182 64 putpmsg
-183 64 afs_syscall
-184 64 tuxcall
-185 64 security
-186 64 gettid sys_gettid
-187 64 readahead sys_readahead
-188 64 setxattr sys_setxattr
-189 64 lsetxattr sys_lsetxattr
-190 64 fsetxattr sys_fsetxattr
-191 64 getxattr sys_getxattr
-192 64 lgetxattr sys_lgetxattr
-193 64 fgetxattr sys_fgetxattr
-194 64 listxattr sys_listxattr
-195 64 llistxattr sys_llistxattr
-196 64 flistxattr sys_flistxattr
-197 64 removexattr sys_removexattr
-198 64 lremovexattr sys_lremovexattr
-199 64 fremovexattr sys_fremovexattr
-200 64 tkill sys_tkill
-201 64 time sys_time
-202 64 futex sys_futex
-203 64 sched_setaffinity sys_sched_setaffinity
-204 64 sched_getaffinity sys_sched_getaffinity
+181 common getpmsg
+182 common putpmsg
+183 common afs_syscall
+184 common tuxcall
+185 common security
+186 common gettid sys_gettid
+187 common readahead sys_readahead
+188 common setxattr sys_setxattr
+189 common lsetxattr sys_lsetxattr
+190 common fsetxattr sys_fsetxattr
+191 common getxattr sys_getxattr
+192 common lgetxattr sys_lgetxattr
+193 common fgetxattr sys_fgetxattr
+194 common listxattr sys_listxattr
+195 common llistxattr sys_llistxattr
+196 common flistxattr sys_flistxattr
+197 common removexattr sys_removexattr
+198 common lremovexattr sys_lremovexattr
+199 common fremovexattr sys_fremovexattr
+200 common tkill sys_tkill
+201 common time sys_time
+202 common futex sys_futex
+203 common sched_setaffinity sys_sched_setaffinity
+204 common sched_getaffinity sys_sched_getaffinity
205 64 set_thread_area
-206 64 io_setup sys_io_setup
-207 64 io_destroy sys_io_destroy
-208 64 io_getevents sys_io_getevents
-209 64 io_submit sys_io_submit
-210 64 io_cancel sys_io_cancel
+206 common io_setup sys_io_setup
+207 common io_destroy sys_io_destroy
+208 common io_getevents sys_io_getevents
+209 common io_submit sys_io_submit
+210 common io_cancel sys_io_cancel
211 64 get_thread_area
-212 64 lookup_dcookie sys_lookup_dcookie
-213 64 epoll_create sys_epoll_create
+212 common lookup_dcookie sys_lookup_dcookie
+213 common epoll_create sys_epoll_create
214 64 epoll_ctl_old
215 64 epoll_wait_old
-216 64 remap_file_pages sys_remap_file_pages
-217 64 getdents64 sys_getdents64
-218 64 set_tid_address sys_set_tid_address
-219 64 restart_syscall sys_restart_syscall
-220 64 semtimedop sys_semtimedop
-221 64 fadvise64 sys_fadvise64
+216 common remap_file_pages sys_remap_file_pages
+217 common getdents64 sys_getdents64
+218 common set_tid_address sys_set_tid_address
+219 common restart_syscall sys_restart_syscall
+220 common semtimedop sys_semtimedop
+221 common fadvise64 sys_fadvise64
222 64 timer_create sys_timer_create
-223 64 timer_settime sys_timer_settime
-224 64 timer_gettime sys_timer_gettime
-225 64 timer_getoverrun sys_timer_getoverrun
-226 64 timer_delete sys_timer_delete
-227 64 clock_settime sys_clock_settime
-228 64 clock_gettime sys_clock_gettime
-229 64 clock_getres sys_clock_getres
-230 64 clock_nanosleep sys_clock_nanosleep
-231 64 exit_group sys_exit_group
-232 64 epoll_wait sys_epoll_wait
-233 64 epoll_ctl sys_epoll_ctl
-234 64 tgkill sys_tgkill
-235 64 utimes sys_utimes
+223 common timer_settime sys_timer_settime
+224 common timer_gettime sys_timer_gettime
+225 common timer_getoverrun sys_timer_getoverrun
+226 common timer_delete sys_timer_delete
+227 common clock_settime sys_clock_settime
+228 common clock_gettime sys_clock_gettime
+229 common clock_getres sys_clock_getres
+230 common clock_nanosleep sys_clock_nanosleep
+231 common exit_group sys_exit_group
+232 common epoll_wait sys_epoll_wait
+233 common epoll_ctl sys_epoll_ctl
+234 common tgkill sys_tgkill
+235 common utimes sys_utimes
236 64 vserver
-237 64 mbind sys_mbind
-238 64 set_mempolicy sys_set_mempolicy
-239 64 get_mempolicy sys_get_mempolicy
-240 64 mq_open sys_mq_open
-241 64 mq_unlink sys_mq_unlink
-242 64 mq_timedsend sys_mq_timedsend
-243 64 mq_timedreceive sys_mq_timedreceive
+237 common mbind sys_mbind
+238 common set_mempolicy sys_set_mempolicy
+239 common get_mempolicy sys_get_mempolicy
+240 common mq_open sys_mq_open
+241 common mq_unlink sys_mq_unlink
+242 common mq_timedsend sys_mq_timedsend
+243 common mq_timedreceive sys_mq_timedreceive
244 64 mq_notify sys_mq_notify
-245 64 mq_getsetattr sys_mq_getsetattr
+245 common mq_getsetattr sys_mq_getsetattr
246 64 kexec_load sys_kexec_load
247 64 waitid sys_waitid
-248 64 add_key sys_add_key
-249 64 request_key sys_request_key
-250 64 keyctl sys_keyctl
-251 64 ioprio_set sys_ioprio_set
-252 64 ioprio_get sys_ioprio_get
-253 64 inotify_init sys_inotify_init
-254 64 inotify_add_watch sys_inotify_add_watch
-255 64 inotify_rm_watch sys_inotify_rm_watch
-256 64 migrate_pages sys_migrate_pages
-257 64 openat sys_openat
-258 64 mkdirat sys_mkdirat
-259 64 mknodat sys_mknodat
-260 64 fchownat sys_fchownat
-261 64 futimesat sys_futimesat
-262 64 newfstatat sys_newfstatat
-263 64 unlinkat sys_unlinkat
-264 64 renameat sys_renameat
-265 64 linkat sys_linkat
-266 64 symlinkat sys_symlinkat
-267 64 readlinkat sys_readlinkat
-268 64 fchmodat sys_fchmodat
-269 64 faccessat sys_faccessat
-270 64 pselect6 sys_pselect6
-271 64 ppoll sys_ppoll
-272 64 unshare sys_unshare
+248 common add_key sys_add_key
+249 common request_key sys_request_key
+250 common keyctl sys_keyctl
+251 common ioprio_set sys_ioprio_set
+252 common ioprio_get sys_ioprio_get
+253 common inotify_init sys_inotify_init
+254 common inotify_add_watch sys_inotify_add_watch
+255 common inotify_rm_watch sys_inotify_rm_watch
+256 common migrate_pages sys_migrate_pages
+257 common openat sys_openat
+258 common mkdirat sys_mkdirat
+259 common mknodat sys_mknodat
+260 common fchownat sys_fchownat
+261 common futimesat sys_futimesat
+262 common newfstatat sys_newfstatat
+263 common unlinkat sys_unlinkat
+264 common renameat sys_renameat
+265 common linkat sys_linkat
+266 common symlinkat sys_symlinkat
+267 common readlinkat sys_readlinkat
+268 common fchmodat sys_fchmodat
+269 common faccessat sys_faccessat
+270 common pselect6 sys_pselect6
+271 common ppoll sys_ppoll
+272 common unshare sys_unshare
273 64 set_robust_list sys_set_robust_list
274 64 get_robust_list sys_get_robust_list
-275 64 splice sys_splice
-276 64 tee sys_tee
-277 64 sync_file_range sys_sync_file_range
+275 common splice sys_splice
+276 common tee sys_tee
+277 common sync_file_range sys_sync_file_range
278 64 vmsplice sys_vmsplice
279 64 move_pages sys_move_pages
-280 64 utimensat sys_utimensat
-281 64 epoll_pwait sys_epoll_pwait
-282 64 signalfd sys_signalfd
-283 64 timerfd_create sys_timerfd_create
-284 64 eventfd sys_eventfd
-285 64 fallocate sys_fallocate
-286 64 timerfd_settime sys_timerfd_settime
-287 64 timerfd_gettime sys_timerfd_gettime
-288 64 accept4 sys_accept4
-289 64 signalfd4 sys_signalfd4
-290 64 eventfd2 sys_eventfd2
-291 64 epoll_create1 sys_epoll_create1
-292 64 dup3 sys_dup3
-293 64 pipe2 sys_pipe2
-294 64 inotify_init1 sys_inotify_init1
+280 common utimensat sys_utimensat
+281 common epoll_pwait sys_epoll_pwait
+282 common signalfd sys_signalfd
+283 common timerfd_create sys_timerfd_create
+284 common eventfd sys_eventfd
+285 common fallocate sys_fallocate
+286 common timerfd_settime sys_timerfd_settime
+287 common timerfd_gettime sys_timerfd_gettime
+288 common accept4 sys_accept4
+289 common signalfd4 sys_signalfd4
+290 common eventfd2 sys_eventfd2
+291 common epoll_create1 sys_epoll_create1
+292 common dup3 sys_dup3
+293 common pipe2 sys_pipe2
+294 common inotify_init1 sys_inotify_init1
295 64 preadv sys_preadv
296 64 pwritev sys_pwritev
297 64 rt_tgsigqueueinfo sys_rt_tgsigqueueinfo
-298 64 perf_event_open sys_perf_event_open
+298 common perf_event_open sys_perf_event_open
299 64 recvmmsg sys_recvmmsg
-300 64 fanotify_init sys_fanotify_init
-301 64 fanotify_mark sys_fanotify_mark
-302 64 prlimit64 sys_prlimit64
-303 64 name_to_handle_at sys_name_to_handle_at
-304 64 open_by_handle_at sys_open_by_handle_at
-305 64 clock_adjtime sys_clock_adjtime
-306 64 syncfs sys_syncfs
+300 common fanotify_init sys_fanotify_init
+301 common fanotify_mark sys_fanotify_mark
+302 common prlimit64 sys_prlimit64
+303 common name_to_handle_at sys_name_to_handle_at
+304 common open_by_handle_at sys_open_by_handle_at
+305 common clock_adjtime sys_clock_adjtime
+306 common syncfs sys_syncfs
307 64 sendmmsg sys_sendmmsg
-308 64 setns sys_setns
-309 64 getcpu sys_getcpu
+308 common setns sys_setns
+309 common getcpu sys_getcpu
310 64 process_vm_readv sys_process_vm_readv
311 64 process_vm_writev sys_process_vm_writev
+#
+# x32-specific system call numbers start at 512 to avoid cache impact
+# for native 64-bit operation.
+#
+512 x32 rt_sigaction sys32_rt_sigaction
+513 x32 rt_sigreturn stub_x32_rt_sigreturn
+514 x32 ioctl compat_sys_ioctl
+515 x32 readv compat_sys_readv
+516 x32 writev compat_sys_writev
+517 x32 recvfrom compat_sys_recvfrom
+518 x32 sendmsg compat_sys_sendmsg
+519 x32 recvmsg compat_sys_recvmsg
+520 x32 execve stub_x32_execve
+521 x32 times compat_sys_times
+522 x32 rt_sigpending sys32_rt_sigpending
+523 x32 rt_sigtimedwait compat_sys_rt_sigtimedwait
+524 x32 rt_sigqueueinfo sys32_rt_sigqueueinfo
+525 x32 sigaltstack stub_x32_sigaltstack
+526 x32 timer_create compat_sys_timer_create
+527 x32 mq_notify compat_sys_mq_notify
+528 x32 kexec_load compat_sys_kexec_load
+529 x32 waitid compat_sys_waitid
+530 x32 set_robust_list compat_sys_set_robust_list
+531 x32 get_robust_list compat_sys_get_robust_list
+532 x32 vmsplice compat_sys_vmsplice
+533 x32 move_pages compat_sys_move_pages
+534 x32 preadv compat_sys_preadv64
+535 x32 pwritev compat_sys_pwritev64
+536 x32 rt_tgsigqueueinfo compat_sys_rt_tgsigqueueinfo
+537 x32 recvmmsg compat_sys_recvmmsg
+538 x32 sendmmsg compat_sys_sendmmsg
+539 x32 process_vm_readv compat_sys_process_vm_readv
+540 x32 process_vm_writev compat_sys_process_vm_writev
diff --git a/arch/x86/um/sys_call_table_64.c b/arch/x86/um/sys_call_table_64.c
index fe626c3..9924776 100644
--- a/arch/x86/um/sys_call_table_64.c
+++ b/arch/x86/um/sys_call_table_64.c
@@ -35,6 +35,9 @@
#define stub_sigaltstack sys_sigaltstack
#define stub_rt_sigreturn sys_rt_sigreturn
+#define __SYSCALL_COMMON(nr, sym, compat) __SYSCALL_64(nr, sym, compat)
+#define __SYSCALL_X32(nr, sym, compat) /* Not supported */
+
#define __SYSCALL_64(nr, sym, compat) extern asmlinkage void sym(void) ;
#include <asm/syscalls_64.h>
diff --git a/arch/x86/um/user-offsets.c b/arch/x86/um/user-offsets.c
index 5edf4f4..ce7e360 100644
--- a/arch/x86/um/user-offsets.c
+++ b/arch/x86/um/user-offsets.c
@@ -15,6 +15,8 @@ static char syscalls[] = {
};
#else
#define __SYSCALL_64(nr, sym, compat) [nr] = 1,
+#define __SYSCALL_COMMON(nr, sym, compat) [nr] = 1,
+#define __SYSCALL_X32(nr, sym, compat) /* Not supported */
static char syscalls[] = {
#include <asm/syscalls_64.h>
};
--
1.7.6.5
--
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