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- /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1991, 1992 Linus Torvalds
- * Copyright (C) 1994 - 2000 Ralf Baechle
- * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
- */
- #ifndef __SIGNAL_COMMON_H
- #define __SIGNAL_COMMON_H
- /* #define DEBUG_SIG */
- #ifdef DEBUG_SIG
- # define DEBUGP(fmt, args...) printk("%s: " fmt, __func__, ##args)
- #else
- # define DEBUGP(fmt, args...)
- #endif
- /*
- * Determine which stack to use..
- */
- extern void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs,
- size_t frame_size);
- /* Check and clear pending FPU exceptions in saved CSR */
- extern int fpcsr_pending(unsigned int __user *fpcsr);
- /* Make sure we will not lose FPU ownership */
- #define lock_fpu_owner() ({ preempt_disable(); pagefault_disable(); })
- #define unlock_fpu_owner() ({ pagefault_enable(); preempt_enable(); })
- /* Assembly functions to move context to/from the FPU */
- extern asmlinkage int
- _save_fp_context(void __user *fpregs, void __user *csr);
- extern asmlinkage int
- _restore_fp_context(void __user *fpregs, void __user *csr);
- extern asmlinkage int _save_msa_all_upper(void __user *buf);
- extern asmlinkage int _restore_msa_all_upper(void __user *buf);
- #endif /* __SIGNAL_COMMON_H */
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