X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-v850%2Funistd.h;h=2241ed45ecfeb9a315253636cc12b52af8723f48;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=82460a7bb233fbc6f4354fafb903197ae7c0ca16;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/include/asm-v850/unistd.h b/include/asm-v850/unistd.h index 82460a7bb..2241ed45e 100644 --- a/include/asm-v850/unistd.h +++ b/include/asm-v850/unistd.h @@ -14,8 +14,6 @@ #ifndef __V850_UNISTD_H__ #define __V850_UNISTD_H__ -#include - #define __NR_restart_syscall 0 #define __NR_exit 1 #define __NR_fork 2 @@ -206,169 +204,8 @@ #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 @@ -389,58 +226,6 @@ type name (atype a, btype b, ctype c, dtype d, etype e, ftype f) \ #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 @@ -455,4 +240,5 @@ asmlinkage long sys_rt_sigaction(int sig, void name (void) __attribute__ ((weak, alias ("sys_ni_syscall"))); #endif +#endif /* __KERNEL__ */ #endif /* __V850_UNISTD_H__ */