projects / thirdparty / kernel / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| fcbc99c4 IM |
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 | |
| decb4c41 | 9 | # include <uapi/asm/sigcontext.h> |
| fcbc99c4 IM |
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 | ||
| 68463510 DS |
23 | #ifdef CONFIG_COMPAT |
| 24 | int __copy_siginfo_to_user32(compat_siginfo_t __user *to, | |
| 25 | const siginfo_t *from, bool x32_ABI); | |
| 26 | #endif | |
| 27 | ||
| 28 | ||
| fcbc99c4 IM |
29 | extern void convert_from_fxsr(struct user_i387_ia32_struct *env, |
| 30 | struct task_struct *tsk); | |
| 31 | extern void convert_to_fxsr(struct task_struct *tsk, | |
| 32 | const struct user_i387_ia32_struct *env); | |
| 33 | ||
| 34 | unsigned long | |
| 35 | fpu__alloc_mathframe(unsigned long sp, int ia32_frame, | |
| 36 | unsigned long *buf_fx, unsigned long *size); | |
| 37 | ||
| b992c660 IM |
38 | extern void fpu__init_prepare_fx_sw_frame(void); |
| 39 | ||
| fcbc99c4 | 40 | #endif /* _ASM_X86_FPU_SIGNAL_H */ |