| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* |
| 3 | * x86 FPU signal frame handling methods: |
| 4 | */ |
| 5 | #ifndef _ASM_X86_FPU_SIGNAL_H |
| 6 | #define _ASM_X86_FPU_SIGNAL_H |
| 7 | |
| 8 | #ifdef CONFIG_X86_64 |
| 9 | # include <uapi/asm/sigcontext.h> |
| 10 | # include <asm/user32.h> |
| 11 | struct ksignal; |
| 12 | int ia32_setup_rt_frame(int sig, struct ksignal *ksig, |
| 13 | compat_sigset_t *set, struct pt_regs *regs); |
| 14 | int ia32_setup_frame(int sig, struct ksignal *ksig, |
| 15 | compat_sigset_t *set, struct pt_regs *regs); |
| 16 | #else |
| 17 | # define user_i387_ia32_struct user_i387_struct |
| 18 | # define user32_fxsr_struct user_fxsr_struct |
| 19 | # define ia32_setup_frame __setup_frame |
| 20 | # define ia32_setup_rt_frame __setup_rt_frame |
| 21 | #endif |
| 22 | |
| 23 | extern void convert_from_fxsr(struct user_i387_ia32_struct *env, |
| 24 | struct task_struct *tsk); |
| 25 | extern void convert_to_fxsr(struct fxregs_state *fxsave, |
| 26 | const struct user_i387_ia32_struct *env); |
| 27 | |
| 28 | unsigned long |
| 29 | fpu__alloc_mathframe(unsigned long sp, int ia32_frame, |
| 30 | unsigned long *buf_fx, unsigned long *size); |
| 31 | |
| 32 | extern void fpu__init_prepare_fx_sw_frame(void); |
| 33 | |
| 34 | #endif /* _ASM_X86_FPU_SIGNAL_H */ |