[PATCH] x86-64: use kernel/syscall_table_32.S in ia32/ia32entry.S
From: Jan Beulich
Date: Mon Dec 06 2010 - 11:52:57 EST
Rather than duplicating the full syscall table, just re-#define the
items that actually need overriding, and use 32-bit's instantiation.
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>
---
arch/x86/ia32/ia32entry.S | 493 ++++++++++++----------------------------------
1 file changed, 133 insertions(+), 360 deletions(-)
--- linux-2.6.37-rc4/arch/x86/ia32/ia32entry.S
+++ 2.6.37-rc4-x86_64-ia32entry-syscall-table-32/arch/x86/ia32/ia32entry.S
@@ -459,30 +459,25 @@ ia32_badsys:
movq $0,ORIG_RAX-ARGOFFSET(%rsp)
movq $-ENOSYS,%rax
jmp ia32_sysret
-
-quiet_ni_syscall:
- movq $-ENOSYS,%rax
- ret
CFI_ENDPROC
- .macro PTREGSCALL label, func, arg
- .globl \label
-\label:
- leaq \func(%rip),%rax
- leaq -ARGOFFSET+8(%rsp),\arg /* 8 for return address */
+ .macro PTREGSCALL name, pfx, arg
+ptregs_\name:
+ leaq \pfx\name(%rip),%rax
+ leaq -ARGOFFSET+8(%rsp),%r\arg /* 8 for return address */
jmp ia32_ptregs_common
.endm
CFI_STARTPROC32
- PTREGSCALL stub32_rt_sigreturn, sys32_rt_sigreturn, %rdi
- PTREGSCALL stub32_sigreturn, sys32_sigreturn, %rdi
- PTREGSCALL stub32_sigaltstack, sys32_sigaltstack, %rdx
- PTREGSCALL stub32_execve, sys32_execve, %rcx
- PTREGSCALL stub32_fork, sys_fork, %rdi
- PTREGSCALL stub32_clone, sys32_clone, %rdx
- PTREGSCALL stub32_vfork, sys_vfork, %rdi
- PTREGSCALL stub32_iopl, sys_iopl, %rsi
+ PTREGSCALL rt_sigreturn, sys32_, di
+ PTREGSCALL sigreturn, sys32_, di
+ PTREGSCALL sigaltstack, sys32_, dx
+ PTREGSCALL execve, sys32_, cx
+ PTREGSCALL fork, sys_, di
+ PTREGSCALL clone, sys32_, dx
+ PTREGSCALL vfork, sys_, di
+ PTREGSCALL iopl, sys_, si
ENTRY(ia32_ptregs_common)
popq %r11
@@ -508,347 +503,125 @@ ENTRY(ia32_ptregs_common)
END(ia32_ptregs_common)
.section .rodata,"a"
- .align 8
-ia32_sys_call_table:
- .quad sys_restart_syscall
- .quad sys_exit
- .quad stub32_fork
- .quad sys_read
- .quad sys_write
- .quad compat_sys_open /* 5 */
- .quad sys_close
- .quad sys32_waitpid
- .quad sys_creat
- .quad sys_link
- .quad sys_unlink /* 10 */
- .quad stub32_execve
- .quad sys_chdir
- .quad compat_sys_time
- .quad sys_mknod
- .quad sys_chmod /* 15 */
- .quad sys_lchown16
- .quad quiet_ni_syscall /* old break syscall holder */
- .quad sys_stat
- .quad sys32_lseek
- .quad sys_getpid /* 20 */
- .quad compat_sys_mount /* mount */
- .quad sys_oldumount /* old_umount */
- .quad sys_setuid16
- .quad sys_getuid16
- .quad compat_sys_stime /* stime */ /* 25 */
- .quad compat_sys_ptrace /* ptrace */
- .quad sys_alarm
- .quad sys_fstat /* (old)fstat */
- .quad sys_pause
- .quad compat_sys_utime /* 30 */
- .quad quiet_ni_syscall /* old stty syscall holder */
- .quad quiet_ni_syscall /* old gtty syscall holder */
- .quad sys_access
- .quad sys_nice
- .quad quiet_ni_syscall /* 35 */ /* old ftime syscall holder */
- .quad sys_sync
- .quad sys32_kill
- .quad sys_rename
- .quad sys_mkdir
- .quad sys_rmdir /* 40 */
- .quad sys_dup
- .quad sys_pipe
- .quad compat_sys_times
- .quad quiet_ni_syscall /* old prof syscall holder */
- .quad sys_brk /* 45 */
- .quad sys_setgid16
- .quad sys_getgid16
- .quad sys_signal
- .quad sys_geteuid16
- .quad sys_getegid16 /* 50 */
- .quad sys_acct
- .quad sys_umount /* new_umount */
- .quad quiet_ni_syscall /* old lock syscall holder */
- .quad compat_sys_ioctl
- .quad compat_sys_fcntl64 /* 55 */
- .quad quiet_ni_syscall /* old mpx syscall holder */
- .quad sys_setpgid
- .quad quiet_ni_syscall /* old ulimit syscall holder */
- .quad sys_olduname
- .quad sys_umask /* 60 */
- .quad sys_chroot
- .quad compat_sys_ustat
- .quad sys_dup2
- .quad sys_getppid
- .quad sys_getpgrp /* 65 */
- .quad sys_setsid
- .quad sys32_sigaction
- .quad sys_sgetmask
- .quad sys_ssetmask
- .quad sys_setreuid16 /* 70 */
- .quad sys_setregid16
- .quad sys32_sigsuspend
- .quad compat_sys_sigpending
- .quad sys_sethostname
- .quad compat_sys_setrlimit /* 75 */
- .quad compat_sys_old_getrlimit /* old_getrlimit */
- .quad compat_sys_getrusage
- .quad compat_sys_gettimeofday
- .quad compat_sys_settimeofday
- .quad sys_getgroups16 /* 80 */
- .quad sys_setgroups16
- .quad compat_sys_old_select
- .quad sys_symlink
- .quad sys_lstat
- .quad sys_readlink /* 85 */
- .quad sys_uselib
- .quad sys_swapon
- .quad sys_reboot
- .quad compat_sys_old_readdir
- .quad sys32_mmap /* 90 */
- .quad sys_munmap
- .quad sys_truncate
- .quad sys_ftruncate
- .quad sys_fchmod
- .quad sys_fchown16 /* 95 */
- .quad sys_getpriority
- .quad sys_setpriority
- .quad quiet_ni_syscall /* old profil syscall holder */
- .quad compat_sys_statfs
- .quad compat_sys_fstatfs /* 100 */
- .quad sys_ioperm
- .quad compat_sys_socketcall
- .quad sys_syslog
- .quad compat_sys_setitimer
- .quad compat_sys_getitimer /* 105 */
- .quad compat_sys_newstat
- .quad compat_sys_newlstat
- .quad compat_sys_newfstat
- .quad sys_uname
- .quad stub32_iopl /* 110 */
- .quad sys_vhangup
- .quad quiet_ni_syscall /* old "idle" system call */
- .quad sys32_vm86_warning /* vm86old */
- .quad compat_sys_wait4
- .quad sys_swapoff /* 115 */
- .quad compat_sys_sysinfo
- .quad sys32_ipc
- .quad sys_fsync
- .quad stub32_sigreturn
- .quad stub32_clone /* 120 */
- .quad sys_setdomainname
- .quad sys_newuname
- .quad sys_modify_ldt
- .quad compat_sys_adjtimex
- .quad sys32_mprotect /* 125 */
- .quad compat_sys_sigprocmask
- .quad quiet_ni_syscall /* create_module */
- .quad sys_init_module
- .quad sys_delete_module
- .quad quiet_ni_syscall /* 130 get_kernel_syms */
- .quad sys32_quotactl
- .quad sys_getpgid
- .quad sys_fchdir
- .quad quiet_ni_syscall /* bdflush */
- .quad sys_sysfs /* 135 */
- .quad sys_personality
- .quad quiet_ni_syscall /* for afs_syscall */
- .quad sys_setfsuid16
- .quad sys_setfsgid16
- .quad sys_llseek /* 140 */
- .quad compat_sys_getdents
- .quad compat_sys_select
- .quad sys_flock
- .quad sys_msync
- .quad compat_sys_readv /* 145 */
- .quad compat_sys_writev
- .quad sys_getsid
- .quad sys_fdatasync
- .quad compat_sys_sysctl /* sysctl */
- .quad sys_mlock /* 150 */
- .quad sys_munlock
- .quad sys_mlockall
- .quad sys_munlockall
- .quad sys_sched_setparam
- .quad sys_sched_getparam /* 155 */
- .quad sys_sched_setscheduler
- .quad sys_sched_getscheduler
- .quad sys_sched_yield
- .quad sys_sched_get_priority_max
- .quad sys_sched_get_priority_min /* 160 */
- .quad sys32_sched_rr_get_interval
- .quad compat_sys_nanosleep
- .quad sys_mremap
- .quad sys_setresuid16
- .quad sys_getresuid16 /* 165 */
- .quad sys32_vm86_warning /* vm86 */
- .quad quiet_ni_syscall /* query_module */
- .quad sys_poll
- .quad compat_sys_nfsservctl
- .quad sys_setresgid16 /* 170 */
- .quad sys_getresgid16
- .quad sys_prctl
- .quad stub32_rt_sigreturn
- .quad sys32_rt_sigaction
- .quad sys32_rt_sigprocmask /* 175 */
- .quad sys32_rt_sigpending
- .quad compat_sys_rt_sigtimedwait
- .quad sys32_rt_sigqueueinfo
- .quad sys_rt_sigsuspend
- .quad sys32_pread /* 180 */
- .quad sys32_pwrite
- .quad sys_chown16
- .quad sys_getcwd
- .quad sys_capget
- .quad sys_capset
- .quad stub32_sigaltstack
- .quad sys32_sendfile
- .quad quiet_ni_syscall /* streams1 */
- .quad quiet_ni_syscall /* streams2 */
- .quad stub32_vfork /* 190 */
- .quad compat_sys_getrlimit
- .quad sys_mmap_pgoff
- .quad sys32_truncate64
- .quad sys32_ftruncate64
- .quad sys32_stat64 /* 195 */
- .quad sys32_lstat64
- .quad sys32_fstat64
- .quad sys_lchown
- .quad sys_getuid
- .quad sys_getgid /* 200 */
- .quad sys_geteuid
- .quad sys_getegid
- .quad sys_setreuid
- .quad sys_setregid
- .quad sys_getgroups /* 205 */
- .quad sys_setgroups
- .quad sys_fchown
- .quad sys_setresuid
- .quad sys_getresuid
- .quad sys_setresgid /* 210 */
- .quad sys_getresgid
- .quad sys_chown
- .quad sys_setuid
- .quad sys_setgid
- .quad sys_setfsuid /* 215 */
- .quad sys_setfsgid
- .quad sys_pivot_root
- .quad sys_mincore
- .quad sys_madvise
- .quad compat_sys_getdents64 /* 220 getdents64 */
- .quad compat_sys_fcntl64
- .quad quiet_ni_syscall /* tux */
- .quad quiet_ni_syscall /* security */
- .quad sys_gettid
- .quad sys32_readahead /* 225 */
- .quad sys_setxattr
- .quad sys_lsetxattr
- .quad sys_fsetxattr
- .quad sys_getxattr
- .quad sys_lgetxattr /* 230 */
- .quad sys_fgetxattr
- .quad sys_listxattr
- .quad sys_llistxattr
- .quad sys_flistxattr
- .quad sys_removexattr /* 235 */
- .quad sys_lremovexattr
- .quad sys_fremovexattr
- .quad sys_tkill
- .quad sys_sendfile64
- .quad compat_sys_futex /* 240 */
- .quad compat_sys_sched_setaffinity
- .quad compat_sys_sched_getaffinity
- .quad sys_set_thread_area
- .quad sys_get_thread_area
- .quad compat_sys_io_setup /* 245 */
- .quad sys_io_destroy
- .quad compat_sys_io_getevents
- .quad compat_sys_io_submit
- .quad sys_io_cancel
- .quad sys32_fadvise64 /* 250 */
- .quad quiet_ni_syscall /* free_huge_pages */
- .quad sys_exit_group
- .quad sys32_lookup_dcookie
- .quad sys_epoll_create
- .quad sys_epoll_ctl /* 255 */
- .quad sys_epoll_wait
- .quad sys_remap_file_pages
- .quad sys_set_tid_address
- .quad compat_sys_timer_create
- .quad compat_sys_timer_settime /* 260 */
- .quad compat_sys_timer_gettime
- .quad sys_timer_getoverrun
- .quad sys_timer_delete
- .quad compat_sys_clock_settime
- .quad compat_sys_clock_gettime /* 265 */
- .quad compat_sys_clock_getres
- .quad compat_sys_clock_nanosleep
- .quad compat_sys_statfs64
- .quad compat_sys_fstatfs64
- .quad sys_tgkill /* 270 */
- .quad compat_sys_utimes
- .quad sys32_fadvise64_64
- .quad quiet_ni_syscall /* sys_vserver */
- .quad sys_mbind
- .quad compat_sys_get_mempolicy /* 275 */
- .quad sys_set_mempolicy
- .quad compat_sys_mq_open
- .quad sys_mq_unlink
- .quad compat_sys_mq_timedsend
- .quad compat_sys_mq_timedreceive /* 280 */
- .quad compat_sys_mq_notify
- .quad compat_sys_mq_getsetattr
- .quad compat_sys_kexec_load /* reserved for kexec */
- .quad compat_sys_waitid
- .quad quiet_ni_syscall /* 285: sys_altroot */
- .quad sys_add_key
- .quad sys_request_key
- .quad sys_keyctl
- .quad sys_ioprio_set
- .quad sys_ioprio_get /* 290 */
- .quad sys_inotify_init
- .quad sys_inotify_add_watch
- .quad sys_inotify_rm_watch
- .quad sys_migrate_pages
- .quad compat_sys_openat /* 295 */
- .quad sys_mkdirat
- .quad sys_mknodat
- .quad sys_fchownat
- .quad compat_sys_futimesat
- .quad sys32_fstatat /* 300 */
- .quad sys_unlinkat
- .quad sys_renameat
- .quad sys_linkat
- .quad sys_symlinkat
- .quad sys_readlinkat /* 305 */
- .quad sys_fchmodat
- .quad sys_faccessat
- .quad compat_sys_pselect6
- .quad compat_sys_ppoll
- .quad sys_unshare /* 310 */
- .quad compat_sys_set_robust_list
- .quad compat_sys_get_robust_list
- .quad sys_splice
- .quad sys32_sync_file_range
- .quad sys_tee /* 315 */
- .quad compat_sys_vmsplice
- .quad compat_sys_move_pages
- .quad sys_getcpu
- .quad sys_epoll_pwait
- .quad compat_sys_utimensat /* 320 */
- .quad compat_sys_signalfd
- .quad sys_timerfd_create
- .quad sys_eventfd
- .quad sys32_fallocate
- .quad compat_sys_timerfd_settime /* 325 */
- .quad compat_sys_timerfd_gettime
- .quad compat_sys_signalfd4
- .quad sys_eventfd2
- .quad sys_epoll_create1
- .quad sys_dup3 /* 330 */
- .quad sys_pipe2
- .quad sys_inotify_init1
- .quad compat_sys_preadv
- .quad compat_sys_pwritev
- .quad compat_sys_rt_tgsigqueueinfo /* 335 */
- .quad sys_perf_event_open
- .quad compat_sys_recvmmsg
- .quad sys_fanotify_init
- .quad sys32_fanotify_mark
- .quad sys_prlimit64 /* 340 */
+#define sys_call_table ia32_sys_call_table
+#define long quad
+
+#define ptregs_vm86 sys32_vm86_warning
+#define ptregs_vm86old sys32_vm86_warning
+#define sys_adjtimex compat_sys_adjtimex
+#define sys_bdflush sys_ni_syscall
+#define sys_call_table ia32_sys_call_table
+#define sys_clock_getres compat_sys_clock_getres
+#define sys_clock_gettime compat_sys_clock_gettime
+#define sys_clock_nanosleep compat_sys_clock_nanosleep
+#define sys_clock_settime compat_sys_clock_settime
+#define sys_fadvise64 sys32_fadvise64
+#define sys_fadvise64_64 sys32_fadvise64_64
+#define sys_fallocate sys32_fallocate
+#define sys_fanotify_mark sys32_fanotify_mark
+#define sys_fcntl compat_sys_fcntl64
+#define sys_fcntl64 compat_sys_fcntl64
+#define sys_fstat64 sys32_fstat64
+#define sys_fstatat64 sys32_fstatat
+#define sys_fstatfs compat_sys_fstatfs
+#define sys_fstatfs64 compat_sys_fstatfs64
+#define sys_ftruncate64 sys32_ftruncate64
+#define sys_futex compat_sys_futex
+#define sys_futimesat compat_sys_futimesat
+#define sys_getdents64 compat_sys_getdents64
+#define sys_getdents compat_sys_getdents
+#define sys_getitimer compat_sys_getitimer
+#define sys_get_mempolicy compat_sys_get_mempolicy
+#define sys_getrlimit compat_sys_getrlimit
+#define sys_get_robust_list compat_sys_get_robust_list
+#define sys_getrusage compat_sys_getrusage
+#define sys_gettimeofday compat_sys_gettimeofday
+#define sys_ioctl compat_sys_ioctl
+#define sys_io_getevents compat_sys_io_getevents
+#define sys_io_setup compat_sys_io_setup
+#define sys_io_submit compat_sys_io_submit
+#define sys_ipc sys32_ipc
+#define sys_kexec_load compat_sys_kexec_load
+#define sys_kill sys32_kill
+#define sys_lookup_dcookie sys32_lookup_dcookie
+#define sys_lseek sys32_lseek
+#define sys_lstat64 sys32_lstat64
+#define sys_mount compat_sys_mount
+#define sys_move_pages compat_sys_move_pages
+#define sys_mprotect sys32_mprotect
+#define sys_mq_getsetattr compat_sys_mq_getsetattr
+#define sys_mq_notify compat_sys_mq_notify
+#define sys_mq_open compat_sys_mq_open
+#define sys_mq_timedreceive compat_sys_mq_timedreceive
+#define sys_mq_timedsend compat_sys_mq_timedsend
+#define sys_nanosleep compat_sys_nanosleep
+#define sys_newfstat compat_sys_newfstat
+#define sys_newlstat compat_sys_newlstat
+#define sys_newstat compat_sys_newstat
+#define sys_nfsservctl compat_sys_nfsservctl
+#define sys_old_mmap sys32_mmap
+#define sys_old_getrlimit compat_sys_old_getrlimit
+#define sys_old_readdir compat_sys_old_readdir
+#define sys_old_select compat_sys_old_select
+#define sys_openat compat_sys_openat
+#define sys_open compat_sys_open
+#define sys_ppoll compat_sys_ppoll
+#define sys_pread64 sys32_pread
+#define sys_preadv compat_sys_preadv
+#define sys_pselect6 compat_sys_pselect6
+#define sys_ptrace compat_sys_ptrace
+#define sys_pwrite64 sys32_pwrite
+#define sys_pwritev compat_sys_pwritev
+#define sys_quotactl sys32_quotactl
+#define sys_readahead sys32_readahead
+#define sys_readv compat_sys_readv
+#define sys_recvmmsg compat_sys_recvmmsg
+#define sys_rt_sigaction sys32_rt_sigaction
+#define sys_rt_sigpending sys32_rt_sigpending
+#define sys_rt_sigprocmask sys32_rt_sigprocmask
+#define sys_rt_sigqueueinfo sys32_rt_sigqueueinfo
+#define sys_rt_sigtimedwait compat_sys_rt_sigtimedwait
+#define sys_rt_tgsigqueueinfo compat_sys_rt_tgsigqueueinfo
+#define sys_sched_getaffinity compat_sys_sched_getaffinity
+#define sys_sched_rr_get_interval sys32_sched_rr_get_interval
+#define sys_sched_setaffinity compat_sys_sched_setaffinity
+#define sys_select compat_sys_select
+#define sys_sendfile sys32_sendfile
+#define sys_setitimer compat_sys_setitimer
+#define sys_setrlimit compat_sys_setrlimit
+#define sys_set_robust_list compat_sys_set_robust_list
+#define sys_settimeofday compat_sys_settimeofday
+#define sys_sigaction sys32_sigaction
+#define sys_signalfd4 compat_sys_signalfd4
+#define sys_signalfd compat_sys_signalfd
+#define sys_sigpending compat_sys_sigpending
+#define sys_sigprocmask compat_sys_sigprocmask
+#define sys_sigsuspend sys32_sigsuspend
+#define sys_socketcall compat_sys_socketcall
+#define sys_stat64 sys32_stat64
+#define sys_statfs compat_sys_statfs
+#define sys_statfs64 compat_sys_statfs64
+#define sys_stime compat_sys_stime
+#define sys_sync_file_range sys32_sync_file_range
+#define sys_sysctl compat_sys_sysctl
+#define sys_sysinfo compat_sys_sysinfo
+#define sys_time compat_sys_time
+#define sys_timer_create compat_sys_timer_create
+#define sys_timerfd_gettime compat_sys_timerfd_gettime
+#define sys_timerfd_settime compat_sys_timerfd_settime
+#define sys_timer_gettime compat_sys_timer_gettime
+#define sys_timer_settime compat_sys_timer_settime
+#define sys_times compat_sys_times
+#define sys_truncate64 sys32_truncate64
+#define sys_ustat compat_sys_ustat
+#define sys_utime compat_sys_utime
+#define sys_utimensat compat_sys_utimensat
+#define sys_utimes compat_sys_utimes
+#define sys_vmsplice compat_sys_vmsplice
+#define sys_wait4 compat_sys_wait4
+#define sys_waitid compat_sys_waitid
+#define sys_waitpid sys32_waitpid
+#define sys_writev compat_sys_writev
+
+#include "../kernel/syscall_table_32.S"
ia32_syscall_end:
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