Contributors: 5
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Shaohua Li |
273 |
92.86% |
1 |
20.00% |
| Eric Paris |
14 |
4.76% |
1 |
20.00% |
| Dmitry V. Levin |
4 |
1.36% |
1 |
20.00% |
| Thomas Gleixner |
2 |
0.68% |
1 |
20.00% |
| Sergei Trofimovich |
1 |
0.34% |
1 |
20.00% |
| Total |
294 |
|
5 |
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Access to user system call parameters and results
*
* Copyright (C) 2008 Intel Corp. Shaohua Li <shaohua.li@intel.com>
*
* See asm-generic/syscall.h for descriptions of what we must do here.
*/
#ifndef _ASM_SYSCALL_H
#define _ASM_SYSCALL_H 1
#include <uapi/linux/audit.h>
#include <linux/sched.h>
#include <linux/err.h>
static inline long syscall_get_nr(struct task_struct *task,
struct pt_regs *regs)
{
if ((long)regs->cr_ifs < 0) /* Not a syscall */
return -1;
return regs->r15;
}
static inline void syscall_rollback(struct task_struct *task,
struct pt_regs *regs)
{
/* do nothing */
}
static inline long syscall_get_error(struct task_struct *task,
struct pt_regs *regs)
{
return regs->r10 == -1 ? -regs->r8:0;
}
static inline long syscall_get_return_value(struct task_struct *task,
struct pt_regs *regs)
{
return regs->r8;
}
static inline void syscall_set_return_value(struct task_struct *task,
struct pt_regs *regs,
int error, long val)
{
if (error) {
/* error < 0, but ia64 uses > 0 return value */
regs->r8 = -error;
regs->r10 = -1;
} else {
regs->r8 = val;
regs->r10 = 0;
}
}
extern void ia64_syscall_get_set_arguments(struct task_struct *task,
struct pt_regs *regs, unsigned long *args, int rw);
static inline void syscall_get_arguments(struct task_struct *task,
struct pt_regs *regs,
unsigned long *args)
{
ia64_syscall_get_set_arguments(task, regs, args, 0);
}
static inline void syscall_set_arguments(struct task_struct *task,
struct pt_regs *regs,
unsigned long *args)
{
ia64_syscall_get_set_arguments(task, regs, args, 1);
}
static inline int syscall_get_arch(struct task_struct *task)
{
return AUDIT_ARCH_IA64;
}
#endif /* _ASM_SYSCALL_H */