arch/h8300/include/asm/syscall.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __ASM_H8300_SYSCALLS_32_H
   3 #define __ASM_H8300_SYSCALLS_32_H
   4
   5 #ifdef __KERNEL__
   6
   7 #include <linux/compiler.h>
   8 #include <linux/linkage.h>
   9 #include <linux/types.h>
  10 #include <linux/ptrace.h>
  11 #include <uapi/linux/audit.h>
  12
  13 static inline int
  14 syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
  15 {
  16         return regs->orig_er0;
  17 }
  18
  19 static inline void
  20 syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,
  21                       unsigned int i, unsigned int n, unsigned long *args)
  22 {
  23         BUG_ON(i + n > 6);
  24
  25         while (n > 0) {
  26                 switch (i) {
  27                 case 0:
  28                         *args++ = regs->er1;
  29                         break;
  30                 case 1:
  31                         *args++ = regs->er2;
  32                         break;
  33                 case 2:
  34                         *args++ = regs->er3;
  35                         break;
  36                 case 3:
  37                         *args++ = regs->er4;
  38                         break;
  39                 case 4:
  40                         *args++ = regs->er5;
  41                         break;
  42                 case 5:
  43                         *args++ = regs->er6;
  44                         break;
  45                 }
  46                 i++;
  47                 n--;
  48         }
  49 }
  50
  51 static inline int
  52 syscall_get_arch(struct task_struct *task)
  53 {
  54         return AUDIT_ARCH_H8300;
  55 }
  56
  57
  58 /* Misc syscall related bits */
  59 asmlinkage long do_syscall_trace_enter(struct pt_regs *regs);
  60 asmlinkage void do_syscall_trace_leave(struct pt_regs *regs);
  61
  62 #endif /* __KERNEL__ */
  63 #endif /* __ASM_H8300_SYSCALLS_32_H */