1#ifndef _ASM_X86_SIGFRAME_H 2#define _ASM_X86_SIGFRAME_H 3 4#include <asm/sigcontext.h> 5#include <asm/siginfo.h> 6#include <asm/ucontext.h> 7 8#ifdef CONFIG_X86_32 9#define sigframe_ia32 sigframe 10#define rt_sigframe_ia32 rt_sigframe 11#define sigcontext_ia32 sigcontext 12#define _fpstate_ia32 _fpstate 13#define ucontext_ia32 ucontext 14#else /* !CONFIG_X86_32 */ 15 16#ifdef CONFIG_IA32_EMULATION 17#include <asm/ia32.h> 18#endif /* CONFIG_IA32_EMULATION */ 19 20#endif /* CONFIG_X86_32 */ 21 22#if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION) 23struct sigframe_ia32 { 24 u32 pretcode; 25 int sig; 26 struct sigcontext_ia32 sc; 27 /* 28 * fpstate is unused. fpstate is moved/allocated after 29 * retcode[] below. This movement allows to have the FP state and the 30 * future state extensions (xsave) stay together. 31 * And at the same time retaining the unused fpstate, prevents changing 32 * the offset of extramask[] in the sigframe and thus prevent any 33 * legacy application accessing/modifying it. 34 */ 35 struct _fpstate_ia32 fpstate_unused; 36#ifdef CONFIG_IA32_EMULATION 37 unsigned int extramask[_COMPAT_NSIG_WORDS-1]; 38#else /* !CONFIG_IA32_EMULATION */ 39 unsigned long extramask[_NSIG_WORDS-1]; 40#endif /* CONFIG_IA32_EMULATION */ 41 char retcode[8]; 42 /* fp state follows here */ 43}; 44 45struct rt_sigframe_ia32 { 46 u32 pretcode; 47 int sig; 48 u32 pinfo; 49 u32 puc; 50#ifdef CONFIG_IA32_EMULATION 51 compat_siginfo_t info; 52#else /* !CONFIG_IA32_EMULATION */ 53 struct siginfo info; 54#endif /* CONFIG_IA32_EMULATION */ 55 struct ucontext_ia32 uc; 56 char retcode[8]; 57 /* fp state follows here */ 58}; 59#endif /* defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION) */ 60 61#ifdef CONFIG_X86_64 62 63struct rt_sigframe { 64 char __user *pretcode; 65 struct ucontext uc; 66 struct siginfo info; 67 /* fp state follows here */ 68}; 69 70#ifdef CONFIG_X86_X32_ABI 71 72struct rt_sigframe_x32 { 73 u64 pretcode; 74 struct ucontext_x32 uc; 75 compat_siginfo_t info; 76 /* fp state follows here */ 77}; 78 79#endif /* CONFIG_X86_X32_ABI */ 80 81#endif /* CONFIG_X86_64 */ 82 83#endif /* _ASM_X86_SIGFRAME_H */ 84