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) 23 struct 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 45 struct 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 63 struct 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 72 struct 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