mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2025-01-16 15:36:16 +07:00
d770b25653
syscall_get_arch() is required to be implemented on all architectures in order to extend the generic ptrace API with PTRACE_GET_SYSCALL_INFO request. Cc: Guo Ren <guoren@kernel.org> Cc: Paul Moore <paul@paul-moore.com> Cc: Eric Paris <eparis@redhat.com> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Elvira Khabirova <lineprinter@altlinux.org> Cc: Eugene Syromyatnikov <esyr@redhat.com> Cc: linux-audit@redhat.com Signed-off-by: Dmitry V. Levin <ldv@altlinux.org> Signed-off-by: Guo Ren <guoren@kernel.org> arch/csky/include/asm/syscall.h | 7 +++++++ include/uapi/linux/audit.h | 1 + 2 files changed, 8 insertions(+)
79 lines
1.6 KiB
C
79 lines
1.6 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 int i, unsigned int n, unsigned long *args)
|
|
{
|
|
BUG_ON(i + n > 6);
|
|
if (i == 0) {
|
|
args[0] = regs->orig_a0;
|
|
args++;
|
|
i++;
|
|
n--;
|
|
}
|
|
memcpy(args, ®s->a1 + i * sizeof(regs->a1), n * sizeof(args[0]));
|
|
}
|
|
|
|
static inline void
|
|
syscall_set_arguments(struct task_struct *task, struct pt_regs *regs,
|
|
unsigned int i, unsigned int n, const unsigned long *args)
|
|
{
|
|
BUG_ON(i + n > 6);
|
|
if (i == 0) {
|
|
regs->orig_a0 = args[0];
|
|
args++;
|
|
i++;
|
|
n--;
|
|
}
|
|
memcpy(®s->a1 + i * sizeof(regs->a1), args, n * sizeof(regs->a0));
|
|
}
|
|
|
|
static inline int
|
|
syscall_get_arch(void)
|
|
{
|
|
return AUDIT_ARCH_CSKY;
|
|
}
|
|
|
|
#endif /* __ASM_SYSCALL_H */
|