| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 | |
| 12 | static inline int |
| 13 | syscall_get_nr(struct task_struct *task, struct pt_regs *regs) |
| 14 | { |
| 15 | return regs->orig_er0; |
| 16 | } |
| 17 | |
| 18 | static inline void |
| 19 | syscall_get_arguments(struct task_struct *task, struct pt_regs *regs, |
| 20 | unsigned int i, unsigned int n, unsigned long *args) |
| 21 | { |
| 22 | BUG_ON(i + n > 6); |
| 23 | |
| 24 | while (n > 0) { |
| 25 | switch (i) { |
| 26 | case 0: |
| 27 | *args++ = regs->er1; |
| 28 | break; |
| 29 | case 1: |
| 30 | *args++ = regs->er2; |
| 31 | break; |
| 32 | case 2: |
| 33 | *args++ = regs->er3; |
| 34 | break; |
| 35 | case 3: |
| 36 | *args++ = regs->er4; |
| 37 | break; |
| 38 | case 4: |
| 39 | *args++ = regs->er5; |
| 40 | break; |
| 41 | case 5: |
| 42 | *args++ = regs->er6; |
| 43 | break; |
| 44 | } |
| 45 | i++; |
| 46 | n--; |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | |
| 51 | |
| 52 | /* Misc syscall related bits */ |
| 53 | asmlinkage long do_syscall_trace_enter(struct pt_regs *regs); |
| 54 | asmlinkage void do_syscall_trace_leave(struct pt_regs *regs); |
| 55 | |
| 56 | #endif /* __KERNEL__ */ |
| 57 | #endif /* __ASM_H8300_SYSCALLS_32_H */ |