--- /dev/null
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1995, 96, 97, 98, 99, 2000, 01, 02 by Ralf Baechle
+ * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
+ * Copyright (C) 2001 MIPS Technologies, Inc.
+ */
+#include <linux/errno.h>
+#include <asm/asm.h>
+#include <asm/asmmacro.h>
+#include <asm/irqflags.h>
+#include <asm/mipsregs.h>
+#include <asm/regdef.h>
+#include <asm/stackframe.h>
+#include <asm/asm-offsets.h>
+#include <asm/sysmips.h>
+#include <asm/thread_info.h>
+#include <asm/unistd.h>
+#include <asm/war.h>
+
+#ifndef CONFIG_BINFMT_ELF32
+/* Neither O32 nor N32, so define handle_sys here */
+#define handle_sys64 handle_sys
+#endif
+
+ .align 5
+NESTED(handle_sys64, PT_SIZE, sp)
+#if !defined(CONFIG_MIPS32_O32) && !defined(CONFIG_MIPS32_N32)
+ /*
+ * When 32-bit compatibility is configured scall_o32.S
+ * already did this.
+ */
+ .set noat
+ SAVE_SOME
+ TRACE_IRQS_ON_RELOAD
+ STI
+ .set at
+#endif
+
+ dsubu t0, v0, __NR_64_Linux # check syscall number
+ sltiu t0, t0, __NR_64_Linux_syscalls + 1
+#if !defined(CONFIG_MIPS32_O32) && !defined(CONFIG_MIPS32_N32)
+ ld t1, PT_EPC(sp) # skip syscall on return
+ daddiu t1, 4 # skip to next instruction
+ sd t1, PT_EPC(sp)
+#endif
+ beqz t0, illegal_syscall
+
+ dsll t0, v0, 3 # offset into table
+ ld t2, (sys_call_table - (__NR_64_Linux * 8))(t0)
+ # syscall routine
+
+ sd a3, PT_R26(sp) # save a3 for syscall restarting
+
+ li t1, _TIF_WORK_SYSCALL_ENTRY
+ LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
+ and t0, t1, t0
+ bnez t0, syscall_trace_entry
+
+ jalr t2 # Do The Real Thing (TM)
+
+ li t0, -EMAXERRNO - 1 # error?
+ sltu t0, t0, v0
+ sd t0, PT_R7(sp) # set error flag
+ beqz t0, 1f
+
+ ld t1, PT_R2(sp) # syscall number
+ dnegu v0 # error
+ sd t1, PT_R0(sp) # save it for syscall restarting
+1: sd v0, PT_R2(sp) # result
+
+n64_syscall_exit:
+ j syscall_exit_partial
+
+/* ------------------------------------------------------------------------ */
+
+syscall_trace_entry:
+ SAVE_STATIC
+ move s0, t2
+ move a0, sp
+ daddiu a1, v0, __NR_64_Linux
+ jal syscall_trace_enter
+
+ bltz v0, 2f # seccomp failed? Skip syscall
+
+ move t0, s0
+ RESTORE_STATIC
+ ld a0, PT_R4(sp) # Restore argument registers
+ ld a1, PT_R5(sp)
+ ld a2, PT_R6(sp)
+ ld a3, PT_R7(sp)
+ ld a4, PT_R8(sp)
+ ld a5, PT_R9(sp)
+ jalr t0
+
+ li t0, -EMAXERRNO - 1 # error?
+ sltu t0, t0, v0
+ sd t0, PT_R7(sp) # set error flag
+ beqz t0, 1f
+
+ ld t1, PT_R2(sp) # syscall number
+ dnegu v0 # error
+ sd t1, PT_R0(sp) # save it for syscall restarting
+1: sd v0, PT_R2(sp) # result
+
+2: j syscall_exit
+
+illegal_syscall:
+ /* This also isn't a 64-bit syscall, throw an error. */
+ li v0, ENOSYS # error
+ sd v0, PT_R2(sp)
+ li t0, 1 # set error flag
+ sd t0, PT_R7(sp)
+ j n64_syscall_exit
+ END(handle_sys64)
+
+ .align 3
+ .type sys_call_table, @object
+EXPORT(sys_call_table)
+ PTR sys_read /* 5000 */
+ PTR sys_write
+ PTR sys_open
+ PTR sys_close
+ PTR sys_newstat
+ PTR sys_newfstat /* 5005 */
+ PTR sys_newlstat
+ PTR sys_poll
+ PTR sys_lseek
+ PTR sys_mips_mmap
+ PTR sys_mprotect /* 5010 */
+ PTR sys_munmap
+ PTR sys_brk
+ PTR sys_rt_sigaction
+ PTR sys_rt_sigprocmask
+ PTR sys_ioctl /* 5015 */
+ PTR sys_pread64
+ PTR sys_pwrite64
+ PTR sys_readv
+ PTR sys_writev
+ PTR sys_access /* 5020 */
+ PTR sysm_pipe
+ PTR sys_select
+ PTR sys_sched_yield
+ PTR sys_mremap
+ PTR sys_msync /* 5025 */
+ PTR sys_mincore
+ PTR sys_madvise
+ PTR sys_shmget
+ PTR sys_shmat
+ PTR sys_shmctl /* 5030 */
+ PTR sys_dup
+ PTR sys_dup2
+ PTR sys_pause
+ PTR sys_nanosleep
+ PTR sys_getitimer /* 5035 */
+ PTR sys_setitimer
+ PTR sys_alarm
+ PTR sys_getpid
+ PTR sys_sendfile64
+ PTR sys_socket /* 5040 */
+ PTR sys_connect
+ PTR sys_accept
+ PTR sys_sendto
+ PTR sys_recvfrom
+ PTR sys_sendmsg /* 5045 */
+ PTR sys_recvmsg
+ PTR sys_shutdown
+ PTR sys_bind
+ PTR sys_listen
+ PTR sys_getsockname /* 5050 */
+ PTR sys_getpeername
+ PTR sys_socketpair
+ PTR sys_setsockopt
+ PTR sys_getsockopt
+ PTR __sys_clone /* 5055 */
+ PTR __sys_fork
+ PTR sys_execve
+ PTR sys_exit
+ PTR sys_wait4
+ PTR sys_kill /* 5060 */
+ PTR sys_newuname
+ PTR sys_semget
+ PTR sys_semop
+ PTR sys_semctl
+ PTR sys_shmdt /* 5065 */
+ PTR sys_msgget
+ PTR sys_msgsnd
+ PTR sys_msgrcv
+ PTR sys_msgctl
+ PTR sys_fcntl /* 5070 */
+ PTR sys_flock
+ PTR sys_fsync
+ PTR sys_fdatasync
+ PTR sys_truncate
+ PTR sys_ftruncate /* 5075 */
+ PTR sys_getdents
+ PTR sys_getcwd
+ PTR sys_chdir
+ PTR sys_fchdir
+ PTR sys_rename /* 5080 */
+ PTR sys_mkdir
+ PTR sys_rmdir
+ PTR sys_creat
+ PTR sys_link
+ PTR sys_unlink /* 5085 */
+ PTR sys_symlink
+ PTR sys_readlink
+ PTR sys_chmod
+ PTR sys_fchmod
+ PTR sys_chown /* 5090 */
+ PTR sys_fchown
+ PTR sys_lchown
+ PTR sys_umask
+ PTR sys_gettimeofday
+ PTR sys_getrlimit /* 5095 */
+ PTR sys_getrusage
+ PTR sys_sysinfo
+ PTR sys_times
+ PTR sys_ptrace
+ PTR sys_getuid /* 5100 */
+ PTR sys_syslog
+ PTR sys_getgid
+ PTR sys_setuid
+ PTR sys_setgid
+ PTR sys_geteuid /* 5105 */
+ PTR sys_getegid
+ PTR sys_setpgid
+ PTR sys_getppid
+ PTR sys_getpgrp
+ PTR sys_setsid /* 5110 */
+ PTR sys_setreuid
+ PTR sys_setregid
+ PTR sys_getgroups
+ PTR sys_setgroups
+ PTR sys_setresuid /* 5115 */
+ PTR sys_getresuid
+ PTR sys_setresgid
+ PTR sys_getresgid
+ PTR sys_getpgid
+ PTR sys_setfsuid /* 5120 */
+ PTR sys_setfsgid
+ PTR sys_getsid
+ PTR sys_capget
+ PTR sys_capset
+ PTR sys_rt_sigpending /* 5125 */
+ PTR sys_rt_sigtimedwait
+ PTR sys_rt_sigqueueinfo
+ PTR sys_rt_sigsuspend
+ PTR sys_sigaltstack
+ PTR sys_utime /* 5130 */
+ PTR sys_mknod
+ PTR sys_personality
+ PTR sys_ustat
+ PTR sys_statfs
+ PTR sys_fstatfs /* 5135 */
+ PTR sys_sysfs
+ PTR sys_getpriority
+ PTR sys_setpriority
+ PTR sys_sched_setparam
+ PTR sys_sched_getparam /* 5140 */
+ PTR sys_sched_setscheduler
+ PTR sys_sched_getscheduler
+ PTR sys_sched_get_priority_max
+ PTR sys_sched_get_priority_min
+ PTR sys_sched_rr_get_interval /* 5145 */
+ PTR sys_mlock
+ PTR sys_munlock
+ PTR sys_mlockall
+ PTR sys_munlockall
+ PTR sys_vhangup /* 5150 */
+ PTR sys_pivot_root
+ PTR sys_sysctl
+ PTR sys_prctl
+ PTR sys_adjtimex
+ PTR sys_setrlimit /* 5155 */
+ PTR sys_chroot
+ PTR sys_sync
+ PTR sys_acct
+ PTR sys_settimeofday
+ PTR sys_mount /* 5160 */
+ PTR sys_umount
+ PTR sys_swapon
+ PTR sys_swapoff
+ PTR sys_reboot
+ PTR sys_sethostname /* 5165 */
+ PTR sys_setdomainname
+ PTR sys_ni_syscall /* was create_module */
+ PTR sys_init_module
+ PTR sys_delete_module
+ PTR sys_ni_syscall /* 5170, was get_kernel_syms */
+ PTR sys_ni_syscall /* was query_module */
+ PTR sys_quotactl
+ PTR sys_ni_syscall /* was nfsservctl */
+ PTR sys_ni_syscall /* res. for getpmsg */
+ PTR sys_ni_syscall /* 5175 for putpmsg */
+ PTR sys_ni_syscall /* res. for afs_syscall */
+ PTR sys_ni_syscall /* res. for security */
+ PTR sys_gettid
+ PTR sys_readahead
+ PTR sys_setxattr /* 5180 */
+ PTR sys_lsetxattr
+ PTR sys_fsetxattr
+ PTR sys_getxattr
+ PTR sys_lgetxattr
+ PTR sys_fgetxattr /* 5185 */
+ PTR sys_listxattr
+ PTR sys_llistxattr
+ PTR sys_flistxattr
+ PTR sys_removexattr
+ PTR sys_lremovexattr /* 5190 */
+ PTR sys_fremovexattr
+ PTR sys_tkill
+ PTR sys_ni_syscall
+ PTR sys_futex
+ PTR sys_sched_setaffinity /* 5195 */
+ PTR sys_sched_getaffinity
+ PTR sys_cacheflush
+ PTR sys_cachectl
+ PTR sys_sysmips
+ PTR sys_io_setup /* 5200 */
+ PTR sys_io_destroy
+ PTR sys_io_getevents
+ PTR sys_io_submit
+ PTR sys_io_cancel
+ PTR sys_exit_group /* 5205 */
+ PTR sys_lookup_dcookie
+ PTR sys_epoll_create
+ PTR sys_epoll_ctl
+ PTR sys_epoll_wait
+ PTR sys_remap_file_pages /* 5210 */
+ PTR sys_rt_sigreturn
+ PTR sys_set_tid_address
+ PTR sys_restart_syscall
+ PTR sys_semtimedop
+ PTR sys_fadvise64_64 /* 5215 */
+ PTR sys_timer_create
+ PTR sys_timer_settime
+ PTR sys_timer_gettime
+ PTR sys_timer_getoverrun
+ PTR sys_timer_delete /* 5220 */
+ PTR sys_clock_settime
+ PTR sys_clock_gettime
+ PTR sys_clock_getres
+ PTR sys_clock_nanosleep
+ PTR sys_tgkill /* 5225 */
+ PTR sys_utimes
+ PTR sys_mbind
+ PTR sys_get_mempolicy
+ PTR sys_set_mempolicy
+ PTR sys_mq_open /* 5230 */
+ PTR sys_mq_unlink
+ PTR sys_mq_timedsend
+ PTR sys_mq_timedreceive
+ PTR sys_mq_notify
+ PTR sys_mq_getsetattr /* 5235 */
+ PTR sys_ni_syscall /* sys_vserver */
+ PTR sys_waitid
+ PTR sys_ni_syscall /* available, was setaltroot */
+ PTR sys_add_key
+ PTR sys_request_key /* 5240 */
+ PTR sys_keyctl
+ PTR sys_set_thread_area
+ PTR sys_inotify_init
+ PTR sys_inotify_add_watch
+ PTR sys_inotify_rm_watch /* 5245 */
+ PTR sys_migrate_pages
+ PTR sys_openat
+ PTR sys_mkdirat
+ PTR sys_mknodat
+ PTR sys_fchownat /* 5250 */
+ PTR sys_futimesat
+ PTR sys_newfstatat
+ PTR sys_unlinkat
+ PTR sys_renameat
+ PTR sys_linkat /* 5255 */
+ PTR sys_symlinkat
+ PTR sys_readlinkat
+ PTR sys_fchmodat
+ PTR sys_faccessat
+ PTR sys_pselect6 /* 5260 */
+ PTR sys_ppoll
+ PTR sys_unshare
+ PTR sys_splice
+ PTR sys_sync_file_range
+ PTR sys_tee /* 5265 */
+ PTR sys_vmsplice
+ PTR sys_move_pages
+ PTR sys_set_robust_list
+ PTR sys_get_robust_list
+ PTR sys_kexec_load /* 5270 */
+ PTR sys_getcpu
+ PTR sys_epoll_pwait
+ PTR sys_ioprio_set
+ PTR sys_ioprio_get
+ PTR sys_utimensat /* 5275 */
+ PTR sys_signalfd
+ PTR sys_ni_syscall /* was timerfd */
+ PTR sys_eventfd
+ PTR sys_fallocate
+ PTR sys_timerfd_create /* 5280 */
+ PTR sys_timerfd_gettime
+ PTR sys_timerfd_settime
+ PTR sys_signalfd4
+ PTR sys_eventfd2
+ PTR sys_epoll_create1 /* 5285 */
+ PTR sys_dup3
+ PTR sys_pipe2
+ PTR sys_inotify_init1
+ PTR sys_preadv
+ PTR sys_pwritev /* 5290 */
+ PTR sys_rt_tgsigqueueinfo
+ PTR sys_perf_event_open
+ PTR sys_accept4
+ PTR sys_recvmmsg
+ PTR sys_fanotify_init /* 5295 */
+ PTR sys_fanotify_mark
+ PTR sys_prlimit64
+ PTR sys_name_to_handle_at
+ PTR sys_open_by_handle_at
+ PTR sys_clock_adjtime /* 5300 */
+ PTR sys_syncfs
+ PTR sys_sendmmsg
+ PTR sys_setns
+ PTR sys_process_vm_readv
+ PTR sys_process_vm_writev /* 5305 */
+ PTR sys_kcmp
+ PTR sys_finit_module
+ PTR sys_getdents64
+ PTR sys_sched_setattr
+ PTR sys_sched_getattr /* 5310 */
+ PTR sys_renameat2
+ PTR sys_seccomp
+ PTR sys_getrandom
+ PTR sys_memfd_create
+ PTR sys_bpf /* 5315 */
+ PTR sys_execveat
+ .size sys_call_table,.-sys_call_table
Code Review / kvmfornfv.git / blobdiff