1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * x86 FPU signal frame handling methods: 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun #ifndef _ASM_X86_FPU_SIGNAL_H 6*4882a593Smuzhiyun #define _ASM_X86_FPU_SIGNAL_H 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifdef CONFIG_X86_64 9*4882a593Smuzhiyun # include <uapi/asm/sigcontext.h> 10*4882a593Smuzhiyun # include <asm/user32.h> 11*4882a593Smuzhiyun struct ksignal; 12*4882a593Smuzhiyun int ia32_setup_rt_frame(int sig, struct ksignal *ksig, 13*4882a593Smuzhiyun compat_sigset_t *set, struct pt_regs *regs); 14*4882a593Smuzhiyun int ia32_setup_frame(int sig, struct ksignal *ksig, 15*4882a593Smuzhiyun compat_sigset_t *set, struct pt_regs *regs); 16*4882a593Smuzhiyun #else 17*4882a593Smuzhiyun # define user_i387_ia32_struct user_i387_struct 18*4882a593Smuzhiyun # define user32_fxsr_struct user_fxsr_struct 19*4882a593Smuzhiyun # define ia32_setup_frame __setup_frame 20*4882a593Smuzhiyun # define ia32_setup_rt_frame __setup_rt_frame 21*4882a593Smuzhiyun #endif 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun extern void convert_from_fxsr(struct user_i387_ia32_struct *env, 24*4882a593Smuzhiyun struct task_struct *tsk); 25*4882a593Smuzhiyun extern void convert_to_fxsr(struct fxregs_state *fxsave, 26*4882a593Smuzhiyun const struct user_i387_ia32_struct *env); 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun unsigned long 29*4882a593Smuzhiyun fpu__alloc_mathframe(unsigned long sp, int ia32_frame, 30*4882a593Smuzhiyun unsigned long *buf_fx, unsigned long *size); 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun extern void fpu__init_prepare_fx_sw_frame(void); 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun #endif /* _ASM_X86_FPU_SIGNAL_H */ 35