projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 5c2628e8 HS |
1 | #ifndef _ASM_X86_SIGFRAME_H |
| 2 | #define _ASM_X86_SIGFRAME_H | |
| 3 | ||
| b2fa739c HS |
4 | #include <asm/sigcontext.h> |
| 5 | #include <asm/siginfo.h> | |
| 6 | #include <asm/ucontext.h> | |
| b829d1be | 7 | #include <linux/compat.h> |
| b2fa739c | 8 | |
| 123a6347 | 9 | #ifdef CONFIG_X86_32 |
| a5c56eb3 HS |
10 | #define sigframe_ia32 sigframe |
| 11 | #define rt_sigframe_ia32 rt_sigframe | |
| 12 | #define sigcontext_ia32 sigcontext | |
| 13 | #define _fpstate_ia32 _fpstate | |
| 14 | #define ucontext_ia32 ucontext | |
| c85c2ff8 HS |
15 | #else /* !CONFIG_X86_32 */ |
| 16 | ||
| 17 | #ifdef CONFIG_IA32_EMULATION | |
| 18 | #include <asm/ia32.h> | |
| 19 | #endif /* CONFIG_IA32_EMULATION */ | |
| 20 | ||
| 21 | #endif /* CONFIG_X86_32 */ | |
| a5c56eb3 | 22 | |
| c85c2ff8 | 23 | #if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION) |
| a5c56eb3 HS |
24 | struct sigframe_ia32 { |
| 25 | u32 pretcode; | |
| 1da177e4 | 26 | int sig; |
| a5c56eb3 | 27 | struct sigcontext_ia32 sc; |
| 3c1c7f10 SS |
28 | /* |
| 29 | * fpstate is unused. fpstate is moved/allocated after | |
| 30 | * retcode[] below. This movement allows to have the FP state and the | |
| 31 | * future state extensions (xsave) stay together. | |
| 32 | * And at the same time retaining the unused fpstate, prevents changing | |
| 33 | * the offset of extramask[] in the sigframe and thus prevent any | |
| 34 | * legacy application accessing/modifying it. | |
| 35 | */ | |
| a5c56eb3 | 36 | struct _fpstate_ia32 fpstate_unused; |
| c85c2ff8 HS |
37 | #ifdef CONFIG_IA32_EMULATION |
| 38 | unsigned int extramask[_COMPAT_NSIG_WORDS-1]; | |
| 39 | #else /* !CONFIG_IA32_EMULATION */ | |
| 1da177e4 | 40 | unsigned long extramask[_NSIG_WORDS-1]; |
| c85c2ff8 | 41 | #endif /* CONFIG_IA32_EMULATION */ |
| 1da177e4 | 42 | char retcode[8]; |
| 3c1c7f10 | 43 | /* fp state follows here */ |
| 1da177e4 LT |
44 | }; |
| 45 | ||
| a5c56eb3 HS |
46 | struct rt_sigframe_ia32 { |
| 47 | u32 pretcode; | |
| 1da177e4 | 48 | int sig; |
| a5c56eb3 HS |
49 | u32 pinfo; |
| 50 | u32 puc; | |
| c85c2ff8 HS |
51 | #ifdef CONFIG_IA32_EMULATION |
| 52 | compat_siginfo_t info; | |
| 53 | #else /* !CONFIG_IA32_EMULATION */ | |
| 1da177e4 | 54 | struct siginfo info; |
| c85c2ff8 | 55 | #endif /* CONFIG_IA32_EMULATION */ |
| a5c56eb3 | 56 | struct ucontext_ia32 uc; |
| 1da177e4 | 57 | char retcode[8]; |
| 3c1c7f10 | 58 | /* fp state follows here */ |
| 1da177e4 | 59 | }; |
| c85c2ff8 HS |
60 | #endif /* defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION) */ |
| 61 | ||
| 62 | #ifdef CONFIG_X86_64 | |
| 9d389763 | 63 | |
| 123a6347 HH |
64 | struct rt_sigframe { |
| 65 | char __user *pretcode; | |
| 66 | struct ucontext uc; | |
| 67 | struct siginfo info; | |
| 3c1c7f10 | 68 | /* fp state follows here */ |
| 123a6347 | 69 | }; |
| 9d389763 PA |
70 | |
| 71 | #ifdef CONFIG_X86_X32_ABI | |
| 72 | ||
| b829d1be BG |
73 | struct ucontext_x32 { |
| 74 | unsigned int uc_flags; | |
| 75 | unsigned int uc_link; | |
| 76 | compat_stack_t uc_stack; | |
| 77 | unsigned int uc__pad0; /* needed for alignment */ | |
| 78 | struct sigcontext uc_mcontext; /* the 64-bit sigcontext type */ | |
| 79 | compat_sigset_t uc_sigmask; /* mask last for extensibility */ | |
| 80 | }; | |
| 81 | ||
| 9d389763 PA |
82 | struct rt_sigframe_x32 { |
| 83 | u64 pretcode; | |
| 84 | struct ucontext_x32 uc; | |
| 85 | compat_siginfo_t info; | |
| 86 | /* fp state follows here */ | |
| 87 | }; | |
| 88 | ||
| 89 | #endif /* CONFIG_X86_X32_ABI */ | |
| 90 | ||
| c85c2ff8 | 91 | #endif /* CONFIG_X86_64 */ |
| 5c2628e8 HS |
92 | |
| 93 | #endif /* _ASM_X86_SIGFRAME_H */ |