/* * include/asm-v850/unistd.h -- System call numbers and invocation mechanism * * Copyright (C) 2001,02,03,04 NEC Electronics Corporation * Copyright (C) 2001,02,03,04 Miles Bader * * 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. * * Written by Miles Bader */ #ifndef __V850_UNISTD_H__ #define __V850_UNISTD_H__ #include #define __NR_restart_syscall 0 #define __NR_exit 1 #define __NR_fork 2 #define __NR_read 3 #define __NR_write 4 #define __NR_open 5 #define __NR_close 6 #define __NR_waitpid 7 #define __NR_creat 8 #define __NR_link 9 #define __NR_unlink 10 #define __NR_execve 11 #define __NR_chdir 12 #define __NR_time 13 #define __NR_mknod 14 #define __NR_chmod 15 #define __NR_chown 16 #define __NR_break 17 #define __NR_lseek 19 #define __NR_getpid 20 #define __NR_mount 21 #define __NR_umount 22 #define __NR_setuid 23 #define __NR_getuid 24 #define __NR_stime 25 #define __NR_ptrace 26 #define __NR_alarm 27 #define __NR_pause 29 #define __NR_utime 30 #define __NR_stty 31 #define __NR_gtty 32 #define __NR_access 33 #define __NR_nice 34 #define __NR_ftime 35 #define __NR_sync 36 #define __NR_kill 37 #define __NR_rename 38 #define __NR_mkdir 39 #define __NR_rmdir 40 #define __NR_dup 41 #define __NR_pipe 42 #define __NR_times 43 #define __NR_prof 44 #define __NR_brk 45 #define __NR_setgid 46 #define __NR_getgid 47 #define __NR_signal 48 #define __NR_geteuid 49 #define __NR_getegid 50 #define __NR_acct 51 #define __NR_umount2 52 #define __NR_lock 53 #define __NR_ioctl 54 #define __NR_fcntl 55 #define __NR_setpgid 57 #define __NR_umask 60 #define __NR_chroot 61 #define __NR_ustat 62 #define __NR_dup2 63 #define __NR_getppid 64 #define __NR_getpgrp 65 #define __NR_setsid 66 #define __NR_sigaction 67 #define __NR_sgetmask 68 #define __NR_ssetmask 69 #define __NR_setreuid 70 #define __NR_setregid 71 #define __NR_sigsuspend 72 #define __NR_sigpending 73 #define __NR_sethostname 74 #define __NR_setrlimit 75 #define __NR_ugetrlimit 76 #define __NR_getrusage 77 #define __NR_gettimeofday 78 #define __NR_settimeofday 79 #define __NR_getgroups 80 #define __NR_setgroups 81 #define __NR_select 82 #define __NR_symlink 83 #define __NR_readlink 85 #define __NR_uselib 86 #define __NR_swapon 87 #define __NR_reboot 88 #define __NR_readdir 89 #define __NR_mmap 90 #define __NR_munmap 91 #define __NR_truncate 92 #define __NR_ftruncate 93 #define __NR_fchmod 94 #define __NR_fchown 95 #define __NR_getpriority 96 #define __NR_setpriority 97 #define __NR_profil 98 #define __NR_statfs 99 #define __NR_fstatfs 100 #define __NR_socketcall 102 #define __NR_syslog 103 #define __NR_setitimer 104 #define __NR_getitimer 105 #define __NR_stat 106 #define __NR_lstat 107 #define __NR_fstat 108 #define __NR_vhangup 111 #define __NR_wait4 114 #define __NR_swapoff 115 #define __NR_sysinfo 116 #define __NR_ipc 117 #define __NR_fsync 118 #define __NR_sigreturn 119 #define __NR_clone 120 #define __NR_setdomainname 121 #define __NR_uname 122 #define __NR_cacheflush 123 #define __NR_adjtimex 124 #define __NR_mprotect 125 #define __NR_sigprocmask 126 #define __NR_create_module 127 #define __NR_init_module 128 #define __NR_delete_module 129 #define __NR_get_kernel_syms 130 #define __NR_quotactl 131 #define __NR_getpgid 132 #define __NR_fchdir 133 #define __NR_bdflush 134 #define __NR_sysfs 135 #define __NR_personality 136 #define __NR_afs_syscall 137 /* Syscall for Andrew File System */ #define __NR_setfsuid 138 #define __NR_setfsgid 139 #define __NR__llseek 140 #define __NR_getdents 141 #define __NR_flock 143 #define __NR_msync 144 #define __NR_readv 145 #define __NR_writev 146 #define __NR_getsid 147 #define __NR_fdatasync 148 #define __NR__sysctl 149 #define __NR_mlock 150 #define __NR_munlock 151 #define __NR_mlockall 152 #define __NR_munlockall 153 #define __NR_sched_setparam 154 #define __NR_sched_getparam 155 #define __NR_sched_setscheduler 156 #define __NR_sched_getscheduler 157 #define __NR_sched_yield 158 #define __NR_sched_get_priority_max 159 #define __NR_sched_get_priority_min 160 #define __NR_sched_rr_get_interval 161 #define __NR_nanosleep 162 #define __NR_mremap 163 #define __NR_setresuid 164 #define __NR_getresuid 165 #define __NR_query_module 167 #define __NR_poll 168 #define __NR_nfsservctl 169 #define __NR_setresgid 170 #define __NR_getresgid 171 #define __NR_prctl 172 #define __NR_rt_sigreturn 173 #define __NR_rt_sigaction 174 #define __NR_rt_sigprocmask 175 #define __NR_rt_sigpending 176 #define __NR_rt_sigtimedwait 177 #define __NR_rt_sigqueueinfo 178 #define __NR_rt_sigsuspend 179 #define __NR_pread 180 #define __NR_pwrite 181 #define __NR_lchown 182 #define __NR_getcwd 183 #define __NR_capget 184 #define __NR_capset 185 #define __NR_sigaltstack 186 #define __NR_sendfile 187 #define __NR_getpmsg 188 /* some people actually want streams */ #define __NR_putpmsg 189 /* some people actually want streams */ #define __NR_vfork 190 #define __NR_mmap2 192 #define __NR_truncate64 193 #define __NR_ftruncate64 194 #define __NR_stat64 195 #define __NR_lstat64 196 #define __NR_fstat64 197 #define __NR_fcntl64 198 #define __NR_getdents64 199 #define __NR_pivot_root 200 #define __NR_gettid 201 #define __NR_tkill 202 /* Syscall protocol: Syscall number in r12, args in r6-r9, r13-r14 Return value in r10 Trap 0 for `short' syscalls, where all the args can fit in function call argument registers, and trap 1 when there are additional args in r13-r14. */ #define SYSCALL_NUM "r12" #define SYSCALL_ARG0 "r6" #define SYSCALL_ARG1 "r7" #define SYSCALL_ARG2 "r8" #define SYSCALL_ARG3 "r9" #define SYSCALL_ARG4 "r13" #define SYSCALL_ARG5 "r14" #define SYSCALL_RET "r10" #define SYSCALL_SHORT_TRAP "0" #define SYSCALL_LONG_TRAP "1" /* Registers clobbered by any syscall. This _doesn't_ include the syscall number (r12) or the `extended arg' registers (r13, r14), even though they are actually clobbered too (this is because gcc's `asm' statement doesn't allow a clobber to be used as an input or output). */ #define SYSCALL_CLOBBERS "r1", "r5", "r11", "r15", "r16", \ "r17", "r18", "r19" /* Registers clobbered by a `short' syscall. This includes all clobbers except the syscall number (r12). */ #define SYSCALL_SHORT_CLOBBERS SYSCALL_CLOBBERS, "r13", "r14" /* User programs sometimes end up including this header file (indirectly, via uClibc header files), so I'm a bit nervous just including . */ #define __syscall_return(type, res) \ do { \ /* user-visible error numbers are in the range -1 - -124: \ see */ \ if (__builtin_expect ((unsigned long)(res) >= (unsigned long)(-125), 0)) { \ errno = -(res); \ res = -1; \ } \ return (type) (res); \ } while (0) #define _syscall0(type, name) \ type name (void) \ { \ register unsigned long __syscall __asm__ (SYSCALL_NUM) = __NR_##name; \ register unsigned long __ret __asm__ (SYSCALL_RET); \ __asm__ __volatile__ ("trap " SYSCALL_SHORT_TRAP \ : "=r" (__ret), "=r" (__syscall) \ : "1" (__syscall) \ : SYSCALL_SHORT_CLOBBERS); \ __syscall_return (type, __ret); \ } #define _syscall1(type, name, atype, a) \ type name (atype a) \ { \ register atype __a __asm__ (SYSCALL_ARG0) = a; \ register unsigned long __syscall __asm__ (SYSCALL_NUM) = __NR_##name; \ register unsigned long __ret __asm__ (SYSCALL_RET); \ __asm__ __volatile__ ("trap " SYSCALL_SHORT_TRAP \ : "=r" (__ret), "=r" (__syscall) \ : "1" (__syscall), "r" (__a) \ : SYSCALL_SHORT_CLOBBERS); \ __syscall_return (type, __ret); \ } #define _syscall2(type, name, atype, a, btype, b) \ type name (atype a, btype b) \ { \ register atype __a __asm__ (SYSCALL_ARG0) = a; \ register btype __b __asm__ (SYSCALL_ARG1) = b; \ register unsigned long __syscall __asm__ (SYSCALL_NUM) = __NR_##name; \ register unsigned long __ret __asm__ (SYSCALL_RET); \ __asm__ __volatile__ ("trap " SYSCALL_SHORT_TRAP \ : "=r" (__ret), "=r" (__syscall) \ : "1" (__syscall), "r" (__a), "r" (__b) \ : SYSCALL_SHORT_CLOBBERS); \ __syscall_return (type, __ret); \ } #define _syscall3(type, name, atype, a, btype, b, ctype, c) \ type name (atype a, btype b, ctype c) \ { \ register atype __a __asm__ (SYSCALL_ARG0) = a; \ register btype __b __asm__ (SYSCALL_ARG1) = b; \ register ctype __c __asm__ (SYSCALL_ARG2) = c; \ register unsigned long __syscall __asm__ (SYSCALL_NUM) = __NR_##name; \ register unsigned long __ret __asm__ (SYSCALL_RET); \ __asm__ __volatile__ ("trap " SYSCALL_SHORT_TRAP \ : "=r" (__ret), "=r" (__syscall) \ : "1" (__syscall), "r" (__a), "r" (__b), "r" (__c) \ : SYSCALL_SHORT_CLOBBERS); \ __syscall_return (type, __ret); \ } #define _syscall4(type, name, atype, a, btype, b, ctype, c, dtype, d) \ type name (atype a, btype b, ctype c, dtype d) \ { \ register atype __a __asm__ (SYSCALL_ARG0) = a; \ register btype __b __asm__ (SYSCALL_ARG1) = b; \ register ctype __c __asm__ (SYSCALL_ARG2) = c; \ register dtype __d __asm__ (SYSCALL_ARG3) = d; \ register unsigned long __syscall __asm__ (SYSCALL_NUM) = __NR_##name; \ register unsigned long __ret __asm__ (SYSCALL_RET); \ __asm__ __volatile__ ("trap " SYSCALL_SHORT_TRAP \ : "=r" (__ret), "=r" (__syscall) \ : "1" (__syscall), \ "r" (__a), "r" (__b), "r" (__c), "r" (__d) \ : SYSCALL_SHORT_CLOBBERS); \ __syscall_return (type, __ret); \ } #define _syscall5(type, name, atype, a, btype, b, ctype, c, dtype, d, etype,e)\ type name (atype a, btype b, ctype c, dtype d, etype e) \ { \ register atype __a __asm__ (SYSCALL_ARG0) = a; \ register btype __b __asm__ (SYSCALL_ARG1) = b; \ register ctype __c __asm__ (SYSCALL_ARG2) = c; \ register dtype __d __asm__ (SYSCALL_ARG3) = d; \ register etype __e __asm__ (SYSCALL_ARG4) = e; \ register unsigned long __syscall __asm__ (SYSCALL_NUM) = __NR_##name; \ register unsigned long __ret __asm__ (SYSCALL_RET); \ __asm__ __volatile__ ("trap " SYSCALL_LONG_TRAP \ : "=r" (__ret), "=r" (__syscall), "=r" (__e) \ : "1" (__syscall), \ "r" (__a), "r" (__b), "r" (__c), "r" (__d), "2" (__e) \ : SYSCALL_CLOBBERS); \ __syscall_return (type, __ret); \ } #define __SYSCALL6_TRAP(syscall, ret, a, b, c, d, e, f) \ __asm__ __volatile__ ("trap " SYSCALL_LONG_TRAP \ : "=r" (ret), "=r" (syscall), \ "=r" (e), "=r" (f) \ : "1" (syscall), \ "r" (a), "r" (b), "r" (c), "r" (d), \ "2" (e), "3" (f) \ : SYSCALL_CLOBBERS); #define _syscall6(type, name, atype, a, btype, b, ctype, c, dtype, d, etype, e, ftype, f) \ type name (atype a, btype b, ctype c, dtype d, etype e, ftype f) \ { \ register atype __a __asm__ (SYSCALL_ARG0) = a; \ register btype __b __asm__ (SYSCALL_ARG1) = b; \ register ctype __c __asm__ (SYSCALL_ARG2) = c; \ register dtype __d __asm__ (SYSCALL_ARG3) = d; \ register etype __e __asm__ (SYSCALL_ARG4) = e; \ register etype __f __asm__ (SYSCALL_ARG5) = f; \ register unsigned long __syscall __asm__ (SYSCALL_NUM) = __NR_##name; \ register unsigned long __ret __asm__ (SYSCALL_RET); \ __SYSCALL6_TRAP(__syscall, __ret, __a, __b, __c, __d, __e, __f); \ __syscall_return (type, __ret); \ } #ifdef __KERNEL__ #define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_STAT64 #define __ARCH_WANT_SYS_ALARM #define __ARCH_WANT_SYS_GETHOSTNAME #define __ARCH_WANT_SYS_PAUSE #define __ARCH_WANT_SYS_SGETMASK #define __ARCH_WANT_SYS_SIGNAL #define __ARCH_WANT_SYS_TIME #define __ARCH_WANT_SYS_UTIME #define __ARCH_WANT_SYS_WAITPID #define __ARCH_WANT_SYS_SOCKETCALL #define __ARCH_WANT_SYS_FADVISE64 #define __ARCH_WANT_SYS_GETPGRP #define __ARCH_WANT_SYS_LLSEEK #define __ARCH_WANT_SYS_NICE #define __ARCH_WANT_SYS_OLDUMOUNT #define __ARCH_WANT_SYS_SIGPENDING #define __ARCH_WANT_SYS_SIGPROCMASK #define __ARCH_WANT_SYS_RT_SIGACTION #endif #ifdef __KERNEL_SYSCALLS__ #include #include /* * we need this inline - forking from kernel space will result * in NO COPY ON WRITE (!!!), until an execve is executed. This * is no problem, but for the stack. This is handled by not letting * main() use the stack at all after fork(). Thus, no function * calls - which means inline code for fork too, as otherwise we * would use the stack upon exit from 'fork()'. * * Actually only pause and fork are needed inline, so that there * won't be any messing with the stack from main(), but we define * some others too. */ #define __NR__exit __NR_exit extern inline _syscall0(pid_t,setsid) extern inline _syscall3(int,write,int,fd,const char *,buf,off_t,count) extern inline _syscall3(int,read,int,fd,char *,buf,off_t,count) extern inline _syscall3(off_t,lseek,int,fd,off_t,offset,int,count) extern inline _syscall1(int,dup,int,fd) extern inline _syscall3(int,execve,const char *,file,char **,argv,char **,envp) extern inline _syscall3(int,open,const char *,file,int,flag,int,mode) extern inline _syscall1(int,close,int,fd) extern inline _syscall1(int,_exit,int,exitcode) extern inline _syscall3(pid_t,waitpid,pid_t,pid,int *,wait_stat,int,options) extern inline pid_t wait(int * wait_stat) { return waitpid (-1, wait_stat, 0); } unsigned long sys_mmap(unsigned long addr, size_t len, unsigned long prot, unsigned long flags, unsigned long fd, off_t offset); unsigned long sys_mmap2(unsigned long addr, size_t len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long pgoff); struct pt_regs; int sys_execve (char *name, char **argv, char **envp, struct pt_regs *regs); int sys_pipe (int *fildes); struct sigaction; asmlinkage long sys_rt_sigaction(int sig, const struct sigaction __user *act, struct sigaction __user *oact, size_t sigsetsize); #endif /* * "Conditional" syscalls */ #define cond_syscall(name) \ asm (".weak\t" C_SYMBOL_STRING(name) ";" \ ".set\t" C_SYMBOL_STRING(name) "," C_SYMBOL_STRING(sys_ni_syscall)) #if 0 /* This doesn't work if there's a function prototype for NAME visible, because the argument types probably won't match. */ #define cond_syscall(name) \ void name (void) __attribute__ ((weak, alias ("sys_ni_syscall"))); #endif #endif /* __V850_UNISTD_H__ */