mirror of
https://github.com/brain-hackers/linux-brain.git
synced 2024-06-09 23:36:23 +09:00
32d9258662
After removing the start and count arguments of syscall_get_arguments() it seems reasonable to remove them from syscall_set_arguments(). Note, as of today, there are no users of syscall_set_arguments(). But we are told that there will be soon. But for now, at least make it consistent with syscall_get_arguments(). Link: http://lkml.kernel.org/r/20190327222014.GA32540@altlinux.org Cc: Oleg Nesterov <oleg@redhat.com> Cc: Kees Cook <keescook@chromium.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Dominik Brodowski <linux@dominikbrodowski.net> Cc: Dave Martin <dave.martin@arm.com> Cc: "Dmitry V. Levin" <ldv@altlinux.org> Cc: x86@kernel.org Cc: linux-snps-arc@lists.infradead.org Cc: linux-kernel@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-c6x-dev@linux-c6x.org Cc: uclinux-h8-devel@lists.sourceforge.jp Cc: linux-hexagon@vger.kernel.org Cc: linux-ia64@vger.kernel.org Cc: linux-mips@vger.kernel.org Cc: nios2-dev@lists.rocketboards.org Cc: openrisc@lists.librecores.org Cc: linux-parisc@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-riscv@lists.infradead.org Cc: linux-s390@vger.kernel.org Cc: linux-sh@vger.kernel.org Cc: sparclinux@vger.kernel.org Cc: linux-um@lists.infradead.org Cc: linux-xtensa@linux-xtensa.org Cc: linux-arch@vger.kernel.org Acked-by: Max Filippov <jcmvbkbc@gmail.com> # For xtensa changes Acked-by: Will Deacon <will.deacon@arm.com> # For the arm64 bits Reviewed-by: Thomas Gleixner <tglx@linutronix.de> # for x86 Reviewed-by: Dmitry V. Levin <ldv@altlinux.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
69 lines
1.3 KiB
C
69 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
|
|
#ifndef __ASM_SYSCALL_H
|
|
#define __ASM_SYSCALL_H
|
|
|
|
#include <linux/sched.h>
|
|
#include <linux/err.h>
|
|
#include <abi/regdef.h>
|
|
#include <uapi/linux/audit.h>
|
|
|
|
static inline int
|
|
syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
|
|
{
|
|
return regs_syscallid(regs);
|
|
}
|
|
|
|
static inline void
|
|
syscall_rollback(struct task_struct *task, struct pt_regs *regs)
|
|
{
|
|
regs->a0 = regs->orig_a0;
|
|
}
|
|
|
|
static inline long
|
|
syscall_get_error(struct task_struct *task, struct pt_regs *regs)
|
|
{
|
|
unsigned long error = regs->a0;
|
|
|
|
return IS_ERR_VALUE(error) ? error : 0;
|
|
}
|
|
|
|
static inline long
|
|
syscall_get_return_value(struct task_struct *task, struct pt_regs *regs)
|
|
{
|
|
return regs->a0;
|
|
}
|
|
|
|
static inline void
|
|
syscall_set_return_value(struct task_struct *task, struct pt_regs *regs,
|
|
int error, long val)
|
|
{
|
|
regs->a0 = (long) error ?: val;
|
|
}
|
|
|
|
static inline void
|
|
syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,
|
|
unsigned long *args)
|
|
{
|
|
args[0] = regs->orig_a0;
|
|
args++;
|
|
memcpy(args, ®s->a1, 5 * sizeof(args[0]));
|
|
}
|
|
|
|
static inline void
|
|
syscall_set_arguments(struct task_struct *task, struct pt_regs *regs,
|
|
const unsigned long *args)
|
|
{
|
|
regs->orig_a0 = args[0];
|
|
args++;
|
|
memcpy(®s->a1, args, 5 * sizeof(regs->a1));
|
|
}
|
|
|
|
static inline int
|
|
syscall_get_arch(void)
|
|
{
|
|
return AUDIT_ARCH_CSKY;
|
|
}
|
|
|
|
#endif /* __ASM_SYSCALL_H */
|