From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/ia64/include/asm/syscall.h | 65 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 arch/ia64/include/asm/syscall.h (limited to 'arch/ia64/include/asm/syscall.h') diff --git a/arch/ia64/include/asm/syscall.h b/arch/ia64/include/asm/syscall.h new file mode 100644 index 000000000..2b02a3fb8 --- /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 + * + * See asm-generic/syscall.h for descriptions of what we must do here. + */ + +#ifndef _ASM_SYSCALL_H +#define _ASM_SYSCALL_H 1 + +#include +#include +#include + +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 */ -- cgit v1.2.3