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[/] [or1k_soc_on_altera_embedded_dev_kit/] [trunk/] [linux-2.6/] [linux-2.6.24/] [arch/] [mips/] [kernel/] [scall64-n32.S] - Rev 3
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/** 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>/* This duplicates the definition from <linux/sched.h> */#define PT_TRACESYS 0x00000002 /* tracing system calls *//* This duplicates the definition from <asm/signal.h> */#define SIGILL 4 /* Illegal instruction (ANSI). */#ifndef CONFIG_MIPS32_O32/* No O32, so define handle_sys here */#define handle_sysn32 handle_sys#endif.align 5NESTED(handle_sysn32, PT_SIZE, sp)#ifndef CONFIG_MIPS32_O32.set noatSAVE_SOMETRACE_IRQS_ON_RELOADSTI.set at#endifdsubu t0, v0, __NR_N32_Linux # check syscall numbersltiu t0, t0, __NR_N32_Linux_syscalls + 1#ifndef CONFIG_MIPS32_O32ld t1, PT_EPC(sp) # skip syscall on returndaddiu t1, 4 # skip to next instructionsd t1, PT_EPC(sp)#endifbeqz t0, not_n32_scalldsll t0, v0, 3 # offset into tableld t2, (sysn32_call_table - (__NR_N32_Linux * 8))(t0)sd a3, PT_R26(sp) # save a3 for syscall restartingli t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDITLONG_L t0, TI_FLAGS($28) # syscall tracing enabled?and t0, t1, t0bnez t0, n32_syscall_trace_entryjalr t2 # Do The Real Thing (TM)li t0, -EMAXERRNO - 1 # error?sltu t0, t0, v0sd t0, PT_R7(sp) # set error flagbeqz t0, 1fdnegu v0 # errorsd v0, PT_R0(sp) # set flag for syscall restarting1: sd v0, PT_R2(sp) # resultlocal_irq_disable # make sure need_resched and# signals dont change between# sampling and returnLONG_L a2, TI_FLAGS($28) # current->workli t0, _TIF_ALLWORK_MASKand t0, a2, t0bnez t0, n32_syscall_exit_workj restore_partialn32_syscall_exit_work:j syscall_exit_work_partial/* ------------------------------------------------------------------------ */n32_syscall_trace_entry:SAVE_STATICmove s0, t2move a0, spli a1, 0jal do_syscall_tracemove t0, s0RESTORE_STATICld a0, PT_R4(sp) # Restore argument registersld 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 t0li t0, -EMAXERRNO - 1 # error?sltu t0, t0, v0sd t0, PT_R7(sp) # set error flagbeqz t0, 1fdnegu v0 # errorsd v0, PT_R0(sp) # set flag for syscall restarting1: sd v0, PT_R2(sp) # resultj syscall_exitnot_n32_scall:/* This is not an n32 compatibility syscall, pass it on tothe n64 syscall handlers. */j handle_sys64END(handle_sysn32)EXPORT(sysn32_call_table)PTR sys_read /* 6000 */PTR sys_writePTR sys_openPTR sys_closePTR sys_newstatPTR sys_newfstat /* 6005 */PTR sys_newlstatPTR sys_pollPTR sys_lseekPTR old_mmapPTR sys_mprotect /* 6010 */PTR sys_munmapPTR sys_brkPTR sys32_rt_sigactionPTR sys32_rt_sigprocmaskPTR compat_sys_ioctl /* 6015 */PTR sys_pread64PTR sys_pwrite64PTR compat_sys_readvPTR compat_sys_writevPTR sys_access /* 6020 */PTR sys_pipePTR compat_sys_selectPTR sys_sched_yieldPTR sys_mremapPTR sys_msync /* 6025 */PTR sys_mincorePTR sys_madvisePTR sys_shmgetPTR sys_shmatPTR compat_sys_shmctl /* 6030 */PTR sys_dupPTR sys_dup2PTR sys_pausePTR compat_sys_nanosleepPTR compat_sys_getitimer /* 6035 */PTR compat_sys_setitimerPTR sys_alarmPTR sys_getpidPTR sys32_sendfilePTR sys_socket /* 6040 */PTR sys_connectPTR sys_acceptPTR sys_sendtoPTR sys_recvfromPTR compat_sys_sendmsg /* 6045 */PTR compat_sys_recvmsgPTR sys_shutdownPTR sys_bindPTR sys_listenPTR sys_getsockname /* 6050 */PTR sys_getpeernamePTR sys_socketpairPTR compat_sys_setsockoptPTR sys_getsockoptPTR sys_clone /* 6055 */PTR sys_forkPTR sys32_execvePTR sys_exitPTR compat_sys_wait4PTR sys_kill /* 6060 */PTR sys32_newunamePTR sys_semgetPTR sys_semopPTR sysn32_semctlPTR sys_shmdt /* 6065 */PTR sys_msggetPTR sysn32_msgsndPTR sysn32_msgrcvPTR compat_sys_msgctlPTR compat_sys_fcntl /* 6070 */PTR sys_flockPTR sys_fsyncPTR sys_fdatasyncPTR sys_truncatePTR sys_ftruncate /* 6075 */PTR compat_sys_getdentsPTR sys_getcwdPTR sys_chdirPTR sys_fchdirPTR sys_rename /* 6080 */PTR sys_mkdirPTR sys_rmdirPTR sys_creatPTR sys_linkPTR sys_unlink /* 6085 */PTR sys_symlinkPTR sys_readlinkPTR sys_chmodPTR sys_fchmodPTR sys_chown /* 6090 */PTR sys_fchownPTR sys_lchownPTR sys_umaskPTR sys32_gettimeofdayPTR compat_sys_getrlimit /* 6095 */PTR compat_sys_getrusagePTR compat_sys_sysinfoPTR compat_sys_timesPTR sys32_ptracePTR sys_getuid /* 6100 */PTR sys_syslogPTR sys_getgidPTR sys_setuidPTR sys_setgidPTR sys_geteuid /* 6105 */PTR sys_getegidPTR sys_setpgidPTR sys_getppidPTR sys_getpgrpPTR sys_setsid /* 6110 */PTR sys_setreuidPTR sys_setregidPTR sys_getgroupsPTR sys_setgroupsPTR sys_setresuid /* 6115 */PTR sys_getresuidPTR sys_setresgidPTR sys_getresgidPTR sys_getpgidPTR sys_setfsuid /* 6120 */PTR sys_setfsgidPTR sys_getsidPTR sys_capgetPTR sys_capsetPTR sys32_rt_sigpending /* 6125 */PTR compat_sys_rt_sigtimedwaitPTR sys32_rt_sigqueueinfoPTR sysn32_rt_sigsuspendPTR sys32_sigaltstackPTR compat_sys_utime /* 6130 */PTR sys_mknodPTR sys32_personalityPTR sys32_ustatPTR compat_sys_statfsPTR compat_sys_fstatfs /* 6135 */PTR sys_sysfsPTR sys_getpriorityPTR sys_setpriorityPTR sys_sched_setparamPTR sys_sched_getparam /* 6140 */PTR sys_sched_setschedulerPTR sys_sched_getschedulerPTR sys_sched_get_priority_maxPTR sys_sched_get_priority_minPTR sys32_sched_rr_get_interval /* 6145 */PTR sys_mlockPTR sys_munlockPTR sys_mlockallPTR sys_munlockallPTR sys_vhangup /* 6150 */PTR sys_pivot_rootPTR sys32_sysctlPTR sys_prctlPTR compat_sys_adjtimexPTR compat_sys_setrlimit /* 6155 */PTR sys_chrootPTR sys_syncPTR sys_acctPTR sys32_settimeofdayPTR compat_sys_mount /* 6160 */PTR sys_umountPTR sys_swaponPTR sys_swapoffPTR sys_rebootPTR sys_sethostname /* 6165 */PTR sys_setdomainnamePTR sys_ni_syscall /* was create_module */PTR sys_init_modulePTR sys_delete_modulePTR sys_ni_syscall /* 6170, was get_kernel_syms */PTR sys_ni_syscall /* was query_module */PTR sys_quotactlPTR compat_sys_nfsservctlPTR 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_gettidPTR sys_readaheadPTR sys_setxattr /* 6180 */PTR sys_lsetxattrPTR sys_fsetxattrPTR sys_getxattrPTR sys_lgetxattrPTR sys_fgetxattr /* 6185 */PTR sys_listxattrPTR sys_llistxattrPTR sys_flistxattrPTR sys_removexattrPTR sys_lremovexattr /* 6190 */PTR sys_fremovexattrPTR sys_tkillPTR sys_ni_syscallPTR compat_sys_futexPTR compat_sys_sched_setaffinity /* 6195 */PTR compat_sys_sched_getaffinityPTR sys_cacheflushPTR sys_cachectlPTR sys_sysmipsPTR sys_io_setup /* 6200 */PTR sys_io_destroyPTR sys_io_geteventsPTR sys_io_submitPTR sys_io_cancelPTR sys_exit_group /* 6205 */PTR sys_lookup_dcookiePTR sys_epoll_createPTR sys_epoll_ctlPTR sys_epoll_waitPTR sys_remap_file_pages /* 6210 */PTR sysn32_rt_sigreturnPTR compat_sys_fcntl64PTR sys_set_tid_addressPTR sys_restart_syscallPTR compat_sys_semtimedop /* 6215 */PTR sys_fadvise64_64PTR compat_sys_statfs64PTR compat_sys_fstatfs64PTR sys_sendfile64PTR compat_sys_timer_create /* 6220 */PTR compat_sys_timer_settimePTR compat_sys_timer_gettimePTR sys_timer_getoverrunPTR sys_timer_deletePTR compat_sys_clock_settime /* 6225 */PTR compat_sys_clock_gettimePTR compat_sys_clock_getresPTR compat_sys_clock_nanosleepPTR sys_tgkillPTR compat_sys_utimes /* 6230 */PTR sys_ni_syscall /* sys_mbind */PTR sys_ni_syscall /* sys_get_mempolicy */PTR sys_ni_syscall /* sys_set_mempolicy */PTR compat_sys_mq_openPTR sys_mq_unlink /* 6235 */PTR compat_sys_mq_timedsendPTR compat_sys_mq_timedreceivePTR compat_sys_mq_notifyPTR compat_sys_mq_getsetattrPTR sys_ni_syscall /* 6240, sys_vserver */PTR compat_sys_waitidPTR sys_ni_syscall /* available, was setaltroot */PTR sys_add_keyPTR sys_request_keyPTR sys_keyctl /* 6245 */PTR sys_set_thread_areaPTR sys_inotify_initPTR sys_inotify_add_watchPTR sys_inotify_rm_watchPTR sys_migrate_pages /* 6250 */PTR sys_openatPTR sys_mkdiratPTR sys_mknodatPTR sys_fchownatPTR compat_sys_futimesat /* 6255 */PTR sys_newfstatatPTR sys_unlinkatPTR sys_renameatPTR sys_linkatPTR sys_symlinkat /* 6260 */PTR sys_readlinkatPTR sys_fchmodatPTR sys_faccessatPTR compat_sys_pselect6PTR sys_ppoll /* 6265 */PTR sys_unsharePTR sys_splicePTR sys_sync_file_rangePTR sys_teePTR sys_vmsplice /* 6270 */PTR sys_move_pagesPTR compat_sys_set_robust_listPTR compat_sys_get_robust_listPTR compat_sys_kexec_loadPTR sys_getcpu /* 6275 */PTR compat_sys_epoll_pwaitPTR sys_ioprio_setPTR sys_ioprio_getPTR compat_sys_utimensatPTR compat_sys_signalfd /* 5280 */PTR compat_sys_timerfdPTR sys_eventfdPTR sys_fallocate.size sysn32_call_table,.-sysn32_call_table