overhaul syscall interface

this commit shuffles around the location of syscall definitions so
that we can make a syscall() library function with both SYS_* and
__NR_* style syscall names available to user applications, provides
the syscall() library function, and optimizes the code that performs
the actual inline syscalls in the library itself.

previously on i386 when built as PIC (shared library), syscalls were
incurring bus lock (lock prefix) overhead at entry and exit, due to
the way the ebx register was being loaded (xchg instruction with a
memory operand). now the xchg takes place between two registers.

further cleanup to arch/$(ARCH)/syscall.h is planned.

1 files changed, 631 insertions, 0 deletions

diff --git a/arch/x86_64/bits/syscall.h b/arch/x86_64/bits/syscall.h
new file mode 100644
index 00000000..ca75019d
--- /dev/null
+++ b/arch/x86_64/bits/syscall.h
@@ -0,0 +1,631 @@
+#define __NR_read				0
+#define __NR_write				1
+#define __NR_open				2
+#define __NR_close				3
+#define __NR_stat				4
+#define __NR_fstat				5
+#define __NR_lstat				6
+#define __NR_poll				7
+#define __NR_lseek				8
+#define __NR_mmap				9
+#define __NR_mprotect			10
+#define __NR_munmap				11
+#define __NR_brk				12
+#define __NR_rt_sigaction		13
+#define __NR_rt_sigprocmask		14
+#define __NR_rt_sigreturn		15
+#define __NR_ioctl				16
+#define __NR_pread64			17
+#define __NR_pwrite64			18
+#define __NR_readv				19
+#define __NR_writev				20
+#define __NR_access				21
+#define __NR_pipe				22
+#define __NR_select				23
+#define __NR_sched_yield		24
+#define __NR_mremap				25
+#define __NR_msync				26
+#define __NR_mincore			27
+#define __NR_madvise			28
+#define __NR_shmget				29
+#define __NR_shmat				30
+#define __NR_shmctl				31
+#define __NR_dup				32
+#define __NR_dup2				33
+#define __NR_pause				34
+#define __NR_nanosleep			35
+#define __NR_getitimer			36
+#define __NR_alarm				37
+#define __NR_setitimer			38
+#define __NR_getpid				39
+#define __NR_sendfile			40
+#define __NR_socket				41
+#define __NR_connect			42
+#define __NR_accept				43
+#define __NR_sendto				44
+#define __NR_recvfrom			45
+#define __NR_sendmsg			46
+#define __NR_recvmsg			47
+#define __NR_shutdown			48
+#define __NR_bind				49
+#define __NR_listen				50
+#define __NR_getsockname		51
+#define __NR_getpeername		52
+#define __NR_socketpair			53
+#define __NR_setsockopt			54
+#define __NR_getsockopt			55
+#define __NR_clone				56
+#define __NR_fork				57
+#define __NR_vfork				58
+#define __NR_execve				59
+#define __NR_exit				60
+#define __NR_wait4				61
+#define __NR_kill				62
+#define __NR_uname				63
+#define __NR_semget				64
+#define __NR_semop				65
+#define __NR_semctl				66
+#define __NR_shmdt				67
+#define __NR_msgget				68
+#define __NR_msgsnd				69
+#define __NR_msgrcv				70
+#define __NR_msgctl				71
+#define __NR_fcntl				72
+#define __NR_flock				73
+#define __NR_fsync				74
+#define __NR_fdatasync			75
+#define __NR_truncate			76
+#define __NR_ftruncate			77
+#define __NR_getdents			78
+#define __NR_getcwd				79
+#define __NR_chdir				80
+#define __NR_fchdir				81
+#define __NR_rename				82
+#define __NR_mkdir				83
+#define __NR_rmdir				84
+#define __NR_creat				85
+#define __NR_link				86
+#define __NR_unlink				87
+#define __NR_symlink			88
+#define __NR_readlink			89
+#define __NR_chmod				90
+#define __NR_fchmod				91
+#define __NR_chown				92
+#define __NR_fchown				93
+#define __NR_lchown				94
+#define __NR_umask				95
+#define __NR_gettimeofday		96
+#define __NR_getrlimit			97
+#define __NR_getrusage			98
+#define __NR_sysinfo			99
+#define __NR_times				100
+#define __NR_ptrace				101
+#define __NR_getuid				102
+#define __NR_syslog				103
+#define __NR_getgid				104
+#define __NR_setuid				105
+#define __NR_setgid				106
+#define __NR_geteuid			107
+#define __NR_getegid			108
+#define __NR_setpgid			109
+#define __NR_getppid			110
+#define __NR_getpgrp			111
+#define __NR_setsid				112
+#define __NR_setreuid			113
+#define __NR_setregid			114
+#define __NR_getgroups			115
+#define __NR_setgroups			116
+#define __NR_setresuid			117
+#define __NR_getresuid			118
+#define __NR_setresgid			119
+#define __NR_getresgid			120
+#define __NR_getpgid			121
+#define __NR_setfsuid			122
+#define __NR_setfsgid			123
+#define __NR_getsid				124
+#define __NR_capget				125
+#define __NR_capset				126
+#define __NR_rt_sigpending		127
+#define __NR_rt_sigtimedwait	128
+#define __NR_rt_sigqueueinfo	129
+#define __NR_rt_sigsuspend		130
+#define __NR_sigaltstack		131
+#define __NR_utime				132
+#define __NR_mknod				133
+#define __NR_uselib				134
+#define __NR_personality		135
+#define __NR_ustat				136
+#define __NR_statfs				137
+#define __NR_fstatfs			138
+#define __NR_sysfs				139
+#define __NR_getpriority			140
+#define __NR_setpriority			141
+#define __NR_sched_setparam			142
+#define __NR_sched_getparam			143
+#define __NR_sched_setscheduler		144
+#define __NR_sched_getscheduler		145
+#define __NR_sched_get_priority_max	146
+#define __NR_sched_get_priority_min	147
+#define __NR_sched_rr_get_interval	148
+#define __NR_mlock					149
+#define __NR_munlock				150
+#define __NR_mlockall				151
+#define __NR_munlockall				152
+#define __NR_vhangup				153
+#define __NR_modify_ldt				154
+#define __NR_pivot_root				155
+#define __NR__sysctl				156
+#define __NR_prctl					157
+#define __NR_arch_prctl				158
+#define __NR_adjtimex				159
+#define __NR_setrlimit				160
+#define __NR_chroot					161
+#define __NR_sync					162
+#define __NR_acct					163
+#define __NR_settimeofday			164
+#define __NR_mount					165
+#define __NR_umount2				166
+#define __NR_swapon					167
+#define __NR_swapoff				168
+#define __NR_reboot					169
+#define __NR_sethostname			170
+#define __NR_setdomainname			171
+#define __NR_iopl					172
+#define __NR_ioperm					173
+#define __NR_create_module			174
+#define __NR_init_module			175
+#define __NR_delete_module			176
+#define __NR_get_kernel_syms		177
+#define __NR_query_module			178
+#define __NR_quotactl				179
+#define __NR_nfsservctl				180
+#define __NR_getpmsg				181
+#define __NR_putpmsg				182
+#define __NR_afs_syscall			183
+#define __NR_tuxcall				184
+#define __NR_security				185
+#define __NR_gettid					186
+#define __NR_readahead				187
+#define __NR_setxattr				188
+#define __NR_lsetxattr				189
+#define __NR_fsetxattr				190
+#define __NR_getxattr				191
+#define __NR_lgetxattr				192
+#define __NR_fgetxattr				193
+#define __NR_listxattr				194
+#define __NR_llistxattr				195
+#define __NR_flistxattr				196
+#define __NR_removexattr			197
+#define __NR_lremovexattr			198
+#define __NR_fremovexattr			199
+#define __NR_tkill					200
+#define __NR_time					201
+#define __NR_futex					202
+#define __NR_sched_setaffinity		203
+#define __NR_sched_getaffinity		204
+#define __NR_set_thread_area		205
+#define __NR_io_setup				206
+#define __NR_io_destroy				207
+#define __NR_io_getevents			208
+#define __NR_io_submit				209
+#define __NR_io_cancel				210
+#define __NR_get_thread_area		211
+#define __NR_lookup_dcookie			212
+#define __NR_epoll_create			213
+#define __NR_epoll_ctl_old			214
+#define __NR_epoll_wait_old			215
+#define __NR_remap_file_pages		216
+#define __NR_getdents64				217
+#define __NR_set_tid_address		218
+#define __NR_restart_syscall		219
+#define __NR_semtimedop				220
+#define __NR_fadvise64				221
+#define __NR_timer_create			222
+#define __NR_timer_settime			223
+#define __NR_timer_gettime			224
+#define __NR_timer_getoverrun		225
+#define __NR_timer_delete			226
+#define __NR_clock_settime			227
+#define __NR_clock_gettime			228
+#define __NR_clock_getres			229
+#define __NR_clock_nanosleep		230
+#define __NR_exit_group				231
+#define __NR_epoll_wait				232
+#define __NR_epoll_ctl				233
+#define __NR_tgkill					234
+#define __NR_utimes					235
+#define __NR_vserver				236
+#define __NR_mbind					237
+#define __NR_set_mempolicy			238
+#define __NR_get_mempolicy			239
+#define __NR_mq_open				240
+#define __NR_mq_unlink				241
+#define __NR_mq_timedsend			242
+#define __NR_mq_timedreceive		243
+#define __NR_mq_notify				244
+#define __NR_mq_getsetattr			245
+#define __NR_kexec_load				246
+#define __NR_waitid					247
+#define __NR_add_key				248
+#define __NR_request_key			249
+#define __NR_keyctl					250
+#define __NR_ioprio_set				251
+#define __NR_ioprio_get				252
+#define __NR_inotify_init			253
+#define __NR_inotify_add_watch		254
+#define __NR_inotify_rm_watch		255
+#define __NR_migrate_pages			256
+#define __NR_openat					257
+#define __NR_mkdirat				258
+#define __NR_mknodat				259
+#define __NR_fchownat				260
+#define __NR_futimesat				261
+#define __NR_newfstatat				262
+#define __NR_unlinkat				263
+#define __NR_renameat				264
+#define __NR_linkat					265
+#define __NR_symlinkat				266
+#define __NR_readlinkat				267
+#define __NR_fchmodat				268
+#define __NR_faccessat				269
+#define __NR_pselect6				270
+#define __NR_ppoll					271
+#define __NR_unshare				272
+#define __NR_set_robust_list		273
+#define __NR_get_robust_list		274
+#define __NR_splice					275
+#define __NR_tee					276
+#define __NR_sync_file_range		277
+#define __NR_vmsplice				278
+#define __NR_move_pages				279
+#define __NR_utimensat				280
+#define __NR_epoll_pwait			281
+#define __NR_signalfd				282
+#define __NR_timerfd_create			283
+#define __NR_eventfd				284
+#define __NR_fallocate				285
+#define __NR_timerfd_settime		286
+#define __NR_timerfd_gettime		287
+#define __NR_accept4				288
+#define __NR_signalfd4				289
+#define __NR_eventfd2				290
+#define __NR_epoll_create1			291
+#define __NR_dup3					292
+#define __NR_pipe2					293
+#define __NR_inotify_init1			294
+#define __NR_preadv					295
+#define __NR_pwritev				296
+#define __NR_rt_tgsigqueueinfo		297
+#define __NR_perf_event_open		298
+#define __NR_recvmmsg				299
+#define __NR_fanotify_init			300
+#define __NR_fanotify_mark			301
+#define __NR_prlimit64				302
+
+#undef __NR_fstatat
+#undef __NR_pread
+#undef __NR_pwrite
+#undef __NR_getdents
+#define __NR_fstatat __NR_newfstatat
+#define __NR_pread __NR_pread64
+#define __NR_pwrite __NR_pwrite64
+#define __NR_getdents __NR_getdents64
+
+
+
+/* Repeat with SYS_ prefix */
+
+#define SYS_read				0
+#define SYS_write				1
+#define SYS_open				2
+#define SYS_close				3
+#define SYS_stat				4
+#define SYS_fstat				5
+#define SYS_lstat				6
+#define SYS_poll				7
+#define SYS_lseek				8
+#define SYS_mmap				9
+#define SYS_mprotect			10
+#define SYS_munmap				11
+#define SYS_brk				12
+#define SYS_rt_sigaction		13
+#define SYS_rt_sigprocmask		14
+#define SYS_rt_sigreturn		15
+#define SYS_ioctl				16
+#define SYS_pread64			17
+#define SYS_pwrite64			18
+#define SYS_readv				19
+#define SYS_writev				20
+#define SYS_access				21
+#define SYS_pipe				22
+#define SYS_select				23
+#define SYS_sched_yield		24
+#define SYS_mremap				25
+#define SYS_msync				26
+#define SYS_mincore			27
+#define SYS_madvise			28
+#define SYS_shmget				29
+#define SYS_shmat				30
+#define SYS_shmctl				31
+#define SYS_dup				32
+#define SYS_dup2				33
+#define SYS_pause				34
+#define SYS_nanosleep			35
+#define SYS_getitimer			36
+#define SYS_alarm				37
+#define SYS_setitimer			38
+#define SYS_getpid				39
+#define SYS_sendfile			40
+#define SYS_socket				41
+#define SYS_connect			42
+#define SYS_accept				43
+#define SYS_sendto				44
+#define SYS_recvfrom			45
+#define SYS_sendmsg			46
+#define SYS_recvmsg			47
+#define SYS_shutdown			48
+#define SYS_bind				49
+#define SYS_listen				50
+#define SYS_getsockname		51
+#define SYS_getpeername		52
+#define SYS_socketpair			53
+#define SYS_setsockopt			54
+#define SYS_getsockopt			55
+#define SYS_clone				56
+#define SYS_fork				57
+#define SYS_vfork				58
+#define SYS_execve				59
+#define SYS_exit				60
+#define SYS_wait4				61
+#define SYS_kill				62
+#define SYS_uname				63
+#define SYS_semget				64
+#define SYS_semop				65
+#define SYS_semctl				66
+#define SYS_shmdt				67
+#define SYS_msgget				68
+#define SYS_msgsnd				69
+#define SYS_msgrcv				70
+#define SYS_msgctl				71
+#define SYS_fcntl				72
+#define SYS_flock				73
+#define SYS_fsync				74
+#define SYS_fdatasync			75
+#define SYS_truncate			76
+#define SYS_ftruncate			77
+#define SYS_getdents			78
+#define SYS_getcwd				79
+#define SYS_chdir				80
+#define SYS_fchdir				81
+#define SYS_rename				82
+#define SYS_mkdir				83
+#define SYS_rmdir				84
+#define SYS_creat				85
+#define SYS_link				86
+#define SYS_unlink				87
+#define SYS_symlink			88
+#define SYS_readlink			89
+#define SYS_chmod				90
+#define SYS_fchmod				91
+#define SYS_chown				92
+#define SYS_fchown				93
+#define SYS_lchown				94
+#define SYS_umask				95
+#define SYS_gettimeofday		96
+#define SYS_getrlimit			97
+#define SYS_getrusage			98
+#define SYS_sysinfo			99
+#define SYS_times				100
+#define SYS_ptrace				101
+#define SYS_getuid				102
+#define SYS_syslog				103
+#define SYS_getgid				104
+#define SYS_setuid				105
+#define SYS_setgid				106
+#define SYS_geteuid			107
+#define SYS_getegid			108
+#define SYS_setpgid			109
+#define SYS_getppid			110
+#define SYS_getpgrp			111
+#define SYS_setsid				112
+#define SYS_setreuid			113
+#define SYS_setregid			114
+#define SYS_getgroups			115
+#define SYS_setgroups			116
+#define SYS_setresuid			117
+#define SYS_getresuid			118
+#define SYS_setresgid			119
+#define SYS_getresgid			120
+#define SYS_getpgid			121
+#define SYS_setfsuid			122
+#define SYS_setfsgid			123
+#define SYS_getsid				124
+#define SYS_capget				125
+#define SYS_capset				126
+#define SYS_rt_sigpending		127
+#define SYS_rt_sigtimedwait	128
+#define SYS_rt_sigqueueinfo	129
+#define SYS_rt_sigsuspend		130
+#define SYS_sigaltstack		131
+#define SYS_utime				132
+#define SYS_mknod				133
+#define SYS_uselib				134
+#define SYS_personality		135
+#define SYS_ustat				136
+#define SYS_statfs				137
+#define SYS_fstatfs			138
+#define SYS_sysfs				139
+#define SYS_getpriority			140
+#define SYS_setpriority			141
+#define SYS_sched_setparam			142
+#define SYS_sched_getparam			143
+#define SYS_sched_setscheduler		144
+#define SYS_sched_getscheduler		145
+#define SYS_sched_get_priority_max	146
+#define SYS_sched_get_priority_min	147
+#define SYS_sched_rr_get_interval	148
+#define SYS_mlock					149
+#define SYS_munlock				150
+#define SYS_mlockall				151
+#define SYS_munlockall				152
+#define SYS_vhangup				153
+#define SYS_modify_ldt				154
+#define SYS_pivot_root				155
+#define SYS__sysctl				156
+#define SYS_prctl					157
+#define SYS_arch_prctl				158
+#define SYS_adjtimex				159
+#define SYS_setrlimit				160
+#define SYS_chroot					161
+#define SYS_sync					162
+#define SYS_acct					163
+#define SYS_settimeofday			164
+#define SYS_mount					165
+#define SYS_umount2				166
+#define SYS_swapon					167
+#define SYS_swapoff				168
+#define SYS_reboot					169
+#define SYS_sethostname			170
+#define SYS_setdomainname			171
+#define SYS_iopl					172
+#define SYS_ioperm					173
+#define SYS_create_module			174
+#define SYS_init_module			175
+#define SYS_delete_module			176
+#define SYS_get_kernel_syms		177
+#define SYS_query_module			178
+#define SYS_quotactl				179
+#define SYS_nfsservctl				180
+#define SYS_getpmsg				181
+#define SYS_putpmsg				182
+#define SYS_afs_syscall			183
+#define SYS_tuxcall				184
+#define SYS_security				185
+#define SYS_gettid					186
+#define SYS_readahead				187
+#define SYS_setxattr				188
+#define SYS_lsetxattr				189
+#define SYS_fsetxattr				190
+#define SYS_getxattr				191
+#define SYS_lgetxattr				192
+#define SYS_fgetxattr				193
+#define SYS_listxattr				194
+#define SYS_llistxattr				195
+#define SYS_flistxattr				196
+#define SYS_removexattr			197
+#define SYS_lremovexattr			198
+#define SYS_fremovexattr			199
+#define SYS_tkill					200
+#define SYS_time					201
+#define SYS_futex					202
+#define SYS_sched_setaffinity		203
+#define SYS_sched_getaffinity		204
+#define SYS_set_thread_area		205
+#define SYS_io_setup				206
+#define SYS_io_destroy				207
+#define SYS_io_getevents			208
+#define SYS_io_submit				209
+#define SYS_io_cancel				210
+#define SYS_get_thread_area		211
+#define SYS_lookup_dcookie			212
+#define SYS_epoll_create			213
+#define SYS_epoll_ctl_old			214
+#define SYS_epoll_wait_old			215
+#define SYS_remap_file_pages		216
+#define SYS_getdents64				217
+#define SYS_set_tid_address		218
+#define SYS_restart_syscall		219
+#define SYS_semtimedop				220
+#define SYS_fadvise64				221
+#define SYS_timer_create			222
+#define SYS_timer_settime			223
+#define SYS_timer_gettime			224
+#define SYS_timer_getoverrun		225
+#define SYS_timer_delete			226
+#define SYS_clock_settime			227
+#define SYS_clock_gettime			228
+#define SYS_clock_getres			229
+#define SYS_clock_nanosleep		230
+#define SYS_exit_group				231
+#define SYS_epoll_wait				232
+#define SYS_epoll_ctl				233
+#define SYS_tgkill					234
+#define SYS_utimes					235
+#define SYS_vserver				236
+#define SYS_mbind					237
+#define SYS_set_mempolicy			238
+#define SYS_get_mempolicy			239
+#define SYS_mq_open				240
+#define SYS_mq_unlink				241
+#define SYS_mq_timedsend			242
+#define SYS_mq_timedreceive		243
+#define SYS_mq_notify				244
+#define SYS_mq_getsetattr			245
+#define SYS_kexec_load				246
+#define SYS_waitid					247
+#define SYS_add_key				248
+#define SYS_request_key			249
+#define SYS_keyctl					250
+#define SYS_ioprio_set				251
+#define SYS_ioprio_get				252
+#define SYS_inotify_init			253
+#define SYS_inotify_add_watch		254
+#define SYS_inotify_rm_watch		255
+#define SYS_migrate_pages			256
+#define SYS_openat					257
+#define SYS_mkdirat				258
+#define SYS_mknodat				259
+#define SYS_fchownat				260
+#define SYS_futimesat				261
+#define SYS_newfstatat				262
+#define SYS_unlinkat				263
+#define SYS_renameat				264
+#define SYS_linkat					265
+#define SYS_symlinkat				266
+#define SYS_readlinkat				267
+#define SYS_fchmodat				268
+#define SYS_faccessat				269
+#define SYS_pselect6				270
+#define SYS_ppoll					271
+#define SYS_unshare				272
+#define SYS_set_robust_list		273
+#define SYS_get_robust_list		274
+#define SYS_splice					275
+#define SYS_tee					276
+#define SYS_sync_file_range		277
+#define SYS_vmsplice				278
+#define SYS_move_pages				279
+#define SYS_utimensat				280
+#define SYS_epoll_pwait			281
+#define SYS_signalfd				282
+#define SYS_timerfd_create			283
+#define SYS_eventfd				284
+#define SYS_fallocate				285
+#define SYS_timerfd_settime		286
+#define SYS_timerfd_gettime		287
+#define SYS_accept4				288
+#define SYS_signalfd4				289
+#define SYS_eventfd2				290
+#define SYS_epoll_create1			291
+#define SYS_dup3					292
+#define SYS_pipe2					293
+#define SYS_inotify_init1			294
+#define SYS_preadv					295
+#define SYS_pwritev				296
+#define SYS_rt_tgsigqueueinfo		297
+#define SYS_perf_event_open		298
+#define SYS_recvmmsg				299
+#define SYS_fanotify_init			300
+#define SYS_fanotify_mark			301
+#define SYS_prlimit64				302
+
+#undef SYS_fstatat
+#undef SYS_pread
+#undef SYS_pwrite
+#undef SYS_getdents
+#define SYS_fstatat SYS_newfstatat
+#define SYS_pread SYS_pread64
+#define SYS_pwrite SYS_pwrite64
+#define SYS_getdents SYS_getdents64
+
+