| /* |
| * 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 <miles@gnu.org> |
| * |
| * 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 <miles@gnu.org> |
| */ |
| |
| #ifndef __V850_UNISTD_H__ |
| #define __V850_UNISTD_H__ |
| |
| #include <asm/clinkage.h> |
| |
| #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 <linux/compiler.h>. */ |
| |
| #define __syscall_return(type, res) \ |
| do { \ |
| /* user-visible error numbers are in the range -1 - -124: \ |
| see <asm-v850/errno.h> */ \ |
| 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 <linux/compiler.h> |
| #include <linux/types.h> |
| |
| /* |
| * 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__ */ |