| Ingo Molnar | fcbc99c | 2015-04-30 08:45:02 +0200 | [diff] [blame] | 1 | /* |
| 2 | * x86 FPU signal frame handling methods: |
| 3 | */ |
| 4 | #ifndef _ASM_X86_FPU_SIGNAL_H |
| 5 | #define _ASM_X86_FPU_SIGNAL_H |
| 6 | |
| 7 | #ifdef CONFIG_X86_64 |
| Ingo Molnar | decb4c4 | 2015-09-05 09:32:43 +0200 | [diff] [blame] | 8 | # include <uapi/asm/sigcontext.h> |
| Ingo Molnar | fcbc99c | 2015-04-30 08:45:02 +0200 | [diff] [blame] | 9 | # include <asm/user32.h> |
| 10 | struct ksignal; |
| 11 | int ia32_setup_rt_frame(int sig, struct ksignal *ksig, |
| 12 | compat_sigset_t *set, struct pt_regs *regs); |
| 13 | int ia32_setup_frame(int sig, struct ksignal *ksig, |
| 14 | compat_sigset_t *set, struct pt_regs *regs); |
| 15 | #else |
| 16 | # define user_i387_ia32_struct user_i387_struct |
| 17 | # define user32_fxsr_struct user_fxsr_struct |
| 18 | # define ia32_setup_frame __setup_frame |
| 19 | # define ia32_setup_rt_frame __setup_rt_frame |
| 20 | #endif |
| 21 | |
| Dmitry Safonov | 6846351 | 2016-09-05 16:33:08 +0300 | [diff] [blame] | 22 | #ifdef CONFIG_COMPAT |
| 23 | int __copy_siginfo_to_user32(compat_siginfo_t __user *to, |
| 24 | const siginfo_t *from, bool x32_ABI); |
| 25 | #endif |
| 26 | |
| 27 | |
| Ingo Molnar | fcbc99c | 2015-04-30 08:45:02 +0200 | [diff] [blame] | 28 | extern void convert_from_fxsr(struct user_i387_ia32_struct *env, |
| 29 | struct task_struct *tsk); |
| 30 | extern void convert_to_fxsr(struct task_struct *tsk, |
| 31 | const struct user_i387_ia32_struct *env); |
| 32 | |
| 33 | unsigned long |
| 34 | fpu__alloc_mathframe(unsigned long sp, int ia32_frame, |
| 35 | unsigned long *buf_fx, unsigned long *size); |
| 36 | |
| Ingo Molnar | b992c66 | 2015-04-30 12:45:38 +0200 | [diff] [blame] | 37 | extern void fpu__init_prepare_fx_sw_frame(void); |
| 38 | |
| Ingo Molnar | fcbc99c | 2015-04-30 08:45:02 +0200 | [diff] [blame] | 39 | #endif /* _ASM_X86_FPU_SIGNAL_H */ |