arch/h8300/include/asm/syscall.h

   1 #ifndef __ASM_H8300_SYSCALLS_32_H
   2 #define __ASM_H8300_SYSCALLS_32_H
   3
   4 #ifdef __KERNEL__
   5
   6 #include <linux/compiler.h>
   7 #include <linux/linkage.h>
   8 #include <linux/types.h>
   9 #include <linux/ptrace.h>
  10
  11 static inline int
  12 syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
  13 {
  14         return regs->orig_er0;
  15 }
  16
  17 static inline void
  18 syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,
  19                       unsigned int i, unsigned int n, unsigned long *args)
  20 {
  21         BUG_ON(i + n > 6);
  22
  23         while (n > 0) {
  24                 switch (i) {
  25                 case 0:
  26                         *args++ = regs->er1;
  27                         break;
  28                 case 1:
  29                         *args++ = regs->er2;
  30                         break;
  31                 case 2:
  32                         *args++ = regs->er3;
  33                         break;
  34                 case 3:
  35                         *args++ = regs->er4;
  36                         break;
  37                 case 4:
  38                         *args++ = regs->er5;
  39                         break;
  40                 case 5:
  41                         *args++ = regs->er6;
  42                         break;
  43                 }
  44                 i++;
  45                 n--;
  46         }
  47 }
  48
  49
  50
  51 /* Misc syscall related bits */
  52 asmlinkage long do_syscall_trace_enter(struct pt_regs *regs);
  53 asmlinkage void do_syscall_trace_leave(struct pt_regs *regs);
  54
  55 #endif /* __KERNEL__ */
  56 #endif /* __ASM_H8300_SYSCALLS_32_H */