diff options
Diffstat (limited to 'arch/xtensa/include/asm/syscall.h')
| -rw-r--r-- | arch/xtensa/include/asm/syscall.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/xtensa/include/asm/syscall.h b/arch/xtensa/include/asm/syscall.h index 5ee974bf8330..7db3b489c8ad 100644 --- a/arch/xtensa/include/asm/syscall.h +++ b/arch/xtensa/include/asm/syscall.h @@ -28,6 +28,13 @@ static inline long syscall_get_nr(struct task_struct *task, return regs->syscall; } +static inline void syscall_set_nr(struct task_struct *task, + struct pt_regs *regs, + int nr) +{ + regs->syscall = nr; +} + static inline void syscall_rollback(struct task_struct *task, struct pt_regs *regs) { @@ -68,6 +75,17 @@ static inline void syscall_get_arguments(struct task_struct *task, args[i] = regs->areg[reg[i]]; } +static inline void syscall_set_arguments(struct task_struct *task, + struct pt_regs *regs, + const unsigned long *args) +{ + static const unsigned int reg[] = XTENSA_SYSCALL_ARGUMENT_REGS; + unsigned int i; + + for (i = 0; i < 6; ++i) + regs->areg[reg[i]] = args[i]; +} + asmlinkage long xtensa_rt_sigreturn(void); asmlinkage long xtensa_shmat(int, char __user *, int); asmlinkage long xtensa_fadvise64_64(int, int, |