--- /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 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/thread_info.h>
+#include <asm/unistd.h>
+
+#ifndef CONFIG_MIPS32_O32
+/* No O32, so define handle_sys here */
+#define handle_sysn32 handle_sys
+#endif
+
+ .align 5
+NESTED(handle_sysn32, PT_SIZE, sp)
+#ifndef CONFIG_MIPS32_O32
+ .set noat
+ SAVE_SOME
+ TRACE_IRQS_ON_RELOAD
+ STI
+ .set at
+#endif
+
+ dsubu t0, v0, __NR_N32_Linux # check syscall number
+ sltiu t0, t0, __NR_N32_Linux_syscalls + 1
+
+#ifndef CONFIG_MIPS32_O32
+ ld t1, PT_EPC(sp) # skip syscall on return
+ daddiu t1, 4 # skip to next instruction
+ sd t1, PT_EPC(sp)
+#endif
+ beqz t0, not_n32_scall
+
+ dsll t0, v0, 3 # offset into table
+ ld t2, (sysn32_call_table - (__NR_N32_Linux * 8))(t0)
+
+ 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, n32_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
+
+ j syscall_exit_partial
+
+/* ------------------------------------------------------------------------ */
+
+n32_syscall_trace_entry:
+ SAVE_STATIC
+ move s0, t2
+ move a0, sp
+ daddiu a1, v0, __NR_N32_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
+
+not_n32_scall:
+ /* This is not an n32 compatibility syscall, pass it on to
+ the n64 syscall handlers. */
+ j handle_sys64
+
+ END(handle_sysn32)
+
+ .type sysn32_call_table, @object
+EXPORT(sysn32_call_table)
+ PTR sys_read /* 6000 */
+ PTR sys_write
+ PTR sys_open
+ PTR sys_close
+ PTR sys_newstat
+ PTR sys_newfstat /* 6005 */
+ PTR sys_newlstat
+ PTR sys_poll
+ PTR sys_lseek
+ PTR sys_mips_mmap
+ PTR sys_mprotect /* 6010 */
+ PTR sys_munmap
+ PTR sys_brk
+ PTR compat_sys_rt_sigaction
+ PTR compat_sys_rt_sigprocmask
+ PTR compat_sys_ioctl /* 6015 */
+ PTR sys_pread64
+ PTR sys_pwrite64
+ PTR compat_sys_readv
+ PTR compat_sys_writev
+ PTR sys_access /* 6020 */
+ PTR sysm_pipe
+ PTR compat_sys_select
+ PTR sys_sched_yield
+ PTR sys_mremap
+ PTR sys_msync /* 6025 */
+ PTR sys_mincore
+ PTR sys_madvise
+ PTR sys_shmget
+ PTR sys_shmat
+ PTR compat_sys_shmctl /* 6030 */
+ PTR sys_dup
+ PTR sys_dup2
+ PTR sys_pause
+ PTR compat_sys_nanosleep
+ PTR compat_sys_getitimer /* 6035 */
+ PTR compat_sys_setitimer
+ PTR sys_alarm
+ PTR sys_getpid
+ PTR compat_sys_sendfile
+ PTR sys_socket /* 6040 */
+ PTR sys_connect
+ PTR sys_accept
+ PTR sys_sendto
+ PTR compat_sys_recvfrom
+ PTR compat_sys_sendmsg /* 6045 */
+ PTR compat_sys_recvmsg
+ PTR sys_shutdown
+ PTR sys_bind
+ PTR sys_listen
+ PTR sys_getsockname /* 6050 */
+ PTR sys_getpeername
+ PTR sys_socketpair
+ PTR compat_sys_setsockopt
+ PTR compat_sys_getsockopt
+ PTR __sys_clone /* 6055 */
+ PTR __sys_fork
+ PTR compat_sys_execve
+ PTR sys_exit
+ PTR compat_sys_wait4
+ PTR sys_kill /* 6060 */
+ PTR sys_newuname
+ PTR sys_semget
+ PTR sys_semop
+ PTR compat_sys_semctl
+ PTR sys_shmdt /* 6065 */
+ PTR sys_msgget
+ PTR compat_sys_msgsnd
+ PTR compat_sys_msgrcv
+ PTR compat_sys_msgctl
+ PTR compat_sys_fcntl /* 6070 */
+ PTR sys_flock
+ PTR sys_fsync
+ PTR sys_fdatasync
+ PTR sys_truncate
+ PTR sys_ftruncate /* 6075 */
+ PTR compat_sys_getdents
+ PTR sys_getcwd
+ PTR sys_chdir
+ PTR sys_fchdir
+ PTR sys_rename /* 6080 */
+ PTR sys_mkdir
+ PTR sys_rmdir
+ PTR sys_creat
+ PTR sys_link
+ PTR sys_unlink /* 6085 */
+ PTR sys_symlink
+ PTR sys_readlink
+ PTR sys_chmod
+ PTR sys_fchmod
+ PTR sys_chown /* 6090 */
+ PTR sys_fchown
+ PTR sys_lchown
+ PTR sys_umask
+ PTR compat_sys_gettimeofday
+ PTR compat_sys_getrlimit /* 6095 */
+ PTR compat_sys_getrusage
+ PTR compat_sys_sysinfo
+ PTR compat_sys_times
+ PTR compat_sys_ptrace
+ PTR sys_getuid /* 6100 */
+ PTR sys_syslog
+ PTR sys_getgid
+ PTR sys_setuid
+ PTR sys_setgid
+ PTR sys_geteuid /* 6105 */
+ PTR sys_getegid
+ PTR sys_setpgid
+ PTR sys_getppid
+ PTR sys_getpgrp
+ PTR sys_setsid /* 6110 */
+ PTR sys_setreuid
+ PTR sys_setregid
+ PTR sys_getgroups
+ PTR sys_setgroups
+ PTR sys_setresuid /* 6115 */
+ PTR sys_getresuid
+ PTR sys_setresgid
+ PTR sys_getresgid
+ PTR sys_getpgid
+ PTR sys_setfsuid /* 6120 */
+ PTR sys_setfsgid
+ PTR sys_getsid
+ PTR sys_capget
+ PTR sys_capset
+ PTR compat_sys_rt_sigpending /* 6125 */
+ PTR compat_sys_rt_sigtimedwait
+ PTR compat_sys_rt_sigqueueinfo
+ PTR compat_sys_rt_sigsuspend
+ PTR compat_sys_sigaltstack
+ PTR compat_sys_utime /* 6130 */
+ PTR sys_mknod
+ PTR sys_32_personality
+ PTR compat_sys_ustat
+ PTR compat_sys_statfs
+ PTR compat_sys_fstatfs /* 6135 */
+ PTR sys_sysfs
+ PTR sys_getpriority
+ PTR sys_setpriority
+ PTR sys_sched_setparam
+ PTR sys_sched_getparam /* 6140 */
+ PTR sys_sched_setscheduler
+ PTR sys_sched_getscheduler
+ PTR sys_sched_get_priority_max
+ PTR sys_sched_get_priority_min
+ PTR compat_sys_sched_rr_get_interval /* 6145 */
+ PTR sys_mlock
+ PTR sys_munlock
+ PTR sys_mlockall
+ PTR sys_munlockall
+ PTR sys_vhangup /* 6150 */
+ PTR sys_pivot_root
+ PTR compat_sys_sysctl
+ PTR sys_prctl
+ PTR compat_sys_adjtimex
+ PTR compat_sys_setrlimit /* 6155 */
+ PTR sys_chroot
+ PTR sys_sync
+ PTR sys_acct
+ PTR compat_sys_settimeofday
+ PTR compat_sys_mount /* 6160 */
+ PTR sys_umount
+ PTR sys_swapon
+ PTR sys_swapoff
+ PTR sys_reboot
+ PTR sys_sethostname /* 6165 */
+ PTR sys_setdomainname
+ PTR sys_ni_syscall /* was create_module */
+ PTR sys_init_module
+ PTR sys_delete_module
+ PTR sys_ni_syscall /* 6170, 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 /* 6175 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 /* 6180 */
+ PTR sys_lsetxattr
+ PTR sys_fsetxattr
+ PTR sys_getxattr
+ PTR sys_lgetxattr
+ PTR sys_fgetxattr /* 6185 */
+ PTR sys_listxattr
+ PTR sys_llistxattr
+ PTR sys_flistxattr
+ PTR sys_removexattr
+ PTR sys_lremovexattr /* 6190 */
+ PTR sys_fremovexattr
+ PTR sys_tkill
+ PTR sys_ni_syscall
+ PTR compat_sys_futex
+ PTR compat_sys_sched_setaffinity /* 6195 */
+ PTR compat_sys_sched_getaffinity
+ PTR sys_cacheflush
+ PTR sys_cachectl
+ PTR sys_sysmips
+ PTR compat_sys_io_setup /* 6200 */
+ PTR sys_io_destroy
+ PTR compat_sys_io_getevents
+ PTR compat_sys_io_submit
+ PTR sys_io_cancel
+ PTR sys_exit_group /* 6205 */
+ PTR sys_lookup_dcookie
+ PTR sys_epoll_create
+ PTR sys_epoll_ctl
+ PTR sys_epoll_wait
+ PTR sys_remap_file_pages /* 6210 */
+ PTR sysn32_rt_sigreturn
+ PTR compat_sys_fcntl64
+ PTR sys_set_tid_address
+ PTR sys_restart_syscall
+ PTR compat_sys_semtimedop /* 6215 */
+ PTR sys_fadvise64_64
+ PTR compat_sys_statfs64
+ PTR compat_sys_fstatfs64
+ PTR sys_sendfile64
+ PTR compat_sys_timer_create /* 6220 */
+ PTR compat_sys_timer_settime
+ PTR compat_sys_timer_gettime
+ PTR sys_timer_getoverrun
+ PTR sys_timer_delete
+ PTR compat_sys_clock_settime /* 6225 */
+ PTR compat_sys_clock_gettime
+ PTR compat_sys_clock_getres
+ PTR compat_sys_clock_nanosleep
+ PTR sys_tgkill
+ PTR compat_sys_utimes /* 6230 */
+ PTR compat_sys_mbind
+ PTR compat_sys_get_mempolicy
+ PTR compat_sys_set_mempolicy
+ PTR compat_sys_mq_open
+ PTR sys_mq_unlink /* 6235 */
+ PTR compat_sys_mq_timedsend
+ PTR compat_sys_mq_timedreceive
+ PTR compat_sys_mq_notify
+ PTR compat_sys_mq_getsetattr
+ PTR sys_ni_syscall /* 6240, sys_vserver */
+ PTR compat_sys_waitid
+ PTR sys_ni_syscall /* available, was setaltroot */
+ PTR sys_add_key
+ PTR sys_request_key
+ PTR sys_keyctl /* 6245 */
+ PTR sys_set_thread_area
+ PTR sys_inotify_init
+ PTR sys_inotify_add_watch
+ PTR sys_inotify_rm_watch
+ PTR compat_sys_migrate_pages /* 6250 */
+ PTR sys_openat
+ PTR sys_mkdirat
+ PTR sys_mknodat
+ PTR sys_fchownat
+ PTR compat_sys_futimesat /* 6255 */
+ PTR sys_newfstatat
+ PTR sys_unlinkat
+ PTR sys_renameat
+ PTR sys_linkat
+ PTR sys_symlinkat /* 6260 */
+ PTR sys_readlinkat
+ PTR sys_fchmodat
+ PTR sys_faccessat
+ PTR compat_sys_pselect6
+ PTR compat_sys_ppoll /* 6265 */
+ PTR sys_unshare
+ PTR sys_splice
+ PTR sys_sync_file_range
+ PTR sys_tee
+ PTR compat_sys_vmsplice /* 6270 */
+ PTR compat_sys_move_pages
+ PTR compat_sys_set_robust_list
+ PTR compat_sys_get_robust_list
+ PTR compat_sys_kexec_load
+ PTR sys_getcpu /* 6275 */
+ PTR compat_sys_epoll_pwait
+ PTR sys_ioprio_set
+ PTR sys_ioprio_get
+ PTR compat_sys_utimensat
+ PTR compat_sys_signalfd /* 6280 */
+ PTR sys_ni_syscall /* was timerfd */
+ PTR sys_eventfd
+ PTR sys_fallocate
+ PTR sys_timerfd_create
+ PTR compat_sys_timerfd_gettime /* 6285 */
+ PTR compat_sys_timerfd_settime
+ PTR compat_sys_signalfd4
+ PTR sys_eventfd2
+ PTR sys_epoll_create1
+ PTR sys_dup3 /* 6290 */
+ PTR sys_pipe2
+ PTR sys_inotify_init1
+ PTR compat_sys_preadv
+ PTR compat_sys_pwritev
+ PTR compat_sys_rt_tgsigqueueinfo /* 6295 */
+ PTR sys_perf_event_open
+ PTR sys_accept4
+ PTR compat_sys_recvmmsg
+ PTR sys_getdents64
+ PTR sys_fanotify_init /* 6300 */
+ PTR sys_fanotify_mark
+ PTR sys_prlimit64
+ PTR sys_name_to_handle_at
+ PTR sys_open_by_handle_at
+ PTR compat_sys_clock_adjtime /* 6305 */
+ PTR sys_syncfs
+ PTR compat_sys_sendmmsg
+ PTR sys_setns
+ PTR compat_sys_process_vm_readv
+ PTR compat_sys_process_vm_writev /* 6310 */
+ PTR sys_kcmp
+ PTR sys_finit_module
+ PTR sys_sched_setattr
+ PTR sys_sched_getattr
+ PTR sys_renameat2 /* 6315 */
+ PTR sys_seccomp
+ PTR sys_getrandom
+ PTR sys_memfd_create
+ PTR sys_bpf
+ PTR compat_sys_execveat /* 6320 */
+ .size sysn32_call_table,.-sysn32_call_table
Code Review / kvmfornfv.git / blobdiff