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-rw-r--r--arch/ia64/include/asm/syscall.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/syscall.h b/arch/ia64/include/asm/syscall.h
new file mode 100644
index 0000000000..2b02a3fb86
--- /dev/null
+++ b/arch/ia64/include/asm/syscall.h
@@ -0,0 +1,65 @@
+/* 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 syscall_get_arguments(struct task_struct *task,
+ struct pt_regs *regs, unsigned long *args);
+
+static inline int syscall_get_arch(struct task_struct *task)
+{
+ return AUDIT_ARCH_IA64;
+}
+#endif /* _ASM_SYSCALL_H */