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-rw-r--r--arch/parisc/include/asm/syscall.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/syscall.h b/arch/parisc/include/asm/syscall.h
new file mode 100644
index 0000000000..00b127a5e0
--- /dev/null
+++ b/arch/parisc/include/asm/syscall.h
@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* syscall.h */
+
+#ifndef _ASM_PARISC_SYSCALL_H_
+#define _ASM_PARISC_SYSCALL_H_
+
+#include <uapi/linux/audit.h>
+#include <linux/compat.h>
+#include <linux/err.h>
+#include <asm/ptrace.h>
+
+#define NR_syscalls (__NR_Linux_syscalls)
+
+static inline long syscall_get_nr(struct task_struct *tsk,
+ struct pt_regs *regs)
+{
+ return regs->gr[20];
+}
+
+static inline void syscall_get_arguments(struct task_struct *tsk,
+ struct pt_regs *regs,
+ unsigned long *args)
+{
+ args[5] = regs->gr[21];
+ args[4] = regs->gr[22];
+ args[3] = regs->gr[23];
+ args[2] = regs->gr[24];
+ args[1] = regs->gr[25];
+ args[0] = regs->gr[26];
+}
+
+static inline long syscall_get_error(struct task_struct *task,
+ struct pt_regs *regs)
+{
+ unsigned long error = regs->gr[28];
+ return IS_ERR_VALUE(error) ? error : 0;
+}
+
+static inline long syscall_get_return_value(struct task_struct *task,
+ struct pt_regs *regs)
+{
+ return regs->gr[28];
+}
+
+static inline void syscall_set_return_value(struct task_struct *task,
+ struct pt_regs *regs,
+ int error, long val)
+{
+ regs->gr[28] = error ? error : val;
+}
+
+static inline void syscall_rollback(struct task_struct *task,
+ struct pt_regs *regs)
+{
+ /* do nothing */
+}
+
+static inline int syscall_get_arch(struct task_struct *task)
+{
+ int arch = AUDIT_ARCH_PARISC;
+#ifdef CONFIG_64BIT
+ if (!__is_compat_task(task))
+ arch = AUDIT_ARCH_PARISC64;
+#endif
+ return arch;
+}
+#endif /*_ASM_PARISC_SYSCALL_H_*/