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Diffstat (limited to 'include/asm-v850/unistd.h')
| -rw-r--r-- | include/asm-v850/unistd.h | 477 |
1 files changed, 477 insertions, 0 deletions
diff --git a/include/asm-v850/unistd.h b/include/asm-v850/unistd.h new file mode 100644 index 000000000000..3b552096c0e8 --- /dev/null +++ b/include/asm-v850/unistd.h @@ -0,0 +1,477 @@ +/* + * 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>. */ +#if !defined(__builtin_expect) && __GNUC__ == 2 && __GNUC_MINOR__ < 96 +#define __builtin_expect(x, expected_value) (x) +#endif + +#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); \ +} + +#if __GNUC__ < 3 +/* In older versions of gcc, `asm' statements with more than 10 + input/output arguments produce a fatal error. To work around this + problem, we use two versions, one for gcc-3.x and one for earlier + versions of gcc (the `earlier gcc' version doesn't work with gcc-3.x + because gcc-3.x doesn't allow clobbers to also be input arguments). */ +#define __SYSCALL6_TRAP(syscall, ret, a, b, c, d, e, f) \ + __asm__ __volatile__ ("trap " SYSCALL_LONG_TRAP \ + : "=r" (ret), "=r" (syscall) \ + : "1" (syscall), \ + "r" (a), "r" (b), "r" (c), "r" (d), \ + "r" (e), "r" (f) \ + : SYSCALL_CLOBBERS, SYSCALL_ARG4, SYSCALL_ARG5); +#else /* __GNUC__ >= 3 */ +#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); +#endif + +#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); +int sys_ptrace(long request, long pid, long addr, long data); +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__ */ |