Harvey Harrison | 123a634 | 2008-02-08 12:10:00 -0800 | [diff] [blame] | 1 | #ifdef CONFIG_X86_32 |
Hiroshi Shimamoto | a5c56eb | 2008-12-17 18:49:55 -0800 | [diff] [blame] | 2 | #define sigframe_ia32 sigframe |
| 3 | #define rt_sigframe_ia32 rt_sigframe |
| 4 | #define sigcontext_ia32 sigcontext |
| 5 | #define _fpstate_ia32 _fpstate |
| 6 | #define ucontext_ia32 ucontext |
| 7 | |
| 8 | struct sigframe_ia32 { |
| 9 | u32 pretcode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | int sig; |
Hiroshi Shimamoto | a5c56eb | 2008-12-17 18:49:55 -0800 | [diff] [blame] | 11 | struct sigcontext_ia32 sc; |
Suresh Siddha | 3c1c7f1 | 2008-07-29 10:29:21 -0700 | [diff] [blame] | 12 | /* |
| 13 | * fpstate is unused. fpstate is moved/allocated after |
| 14 | * retcode[] below. This movement allows to have the FP state and the |
| 15 | * future state extensions (xsave) stay together. |
| 16 | * And at the same time retaining the unused fpstate, prevents changing |
| 17 | * the offset of extramask[] in the sigframe and thus prevent any |
| 18 | * legacy application accessing/modifying it. |
| 19 | */ |
Hiroshi Shimamoto | a5c56eb | 2008-12-17 18:49:55 -0800 | [diff] [blame] | 20 | struct _fpstate_ia32 fpstate_unused; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | unsigned long extramask[_NSIG_WORDS-1]; |
| 22 | char retcode[8]; |
Suresh Siddha | 3c1c7f1 | 2008-07-29 10:29:21 -0700 | [diff] [blame] | 23 | /* fp state follows here */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | }; |
| 25 | |
Hiroshi Shimamoto | a5c56eb | 2008-12-17 18:49:55 -0800 | [diff] [blame] | 26 | struct rt_sigframe_ia32 { |
| 27 | u32 pretcode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | int sig; |
Hiroshi Shimamoto | a5c56eb | 2008-12-17 18:49:55 -0800 | [diff] [blame] | 29 | u32 pinfo; |
| 30 | u32 puc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | struct siginfo info; |
Hiroshi Shimamoto | a5c56eb | 2008-12-17 18:49:55 -0800 | [diff] [blame] | 32 | struct ucontext_ia32 uc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | char retcode[8]; |
Suresh Siddha | 3c1c7f1 | 2008-07-29 10:29:21 -0700 | [diff] [blame] | 34 | /* fp state follows here */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | }; |
Hiroshi Shimamoto | a5c56eb | 2008-12-17 18:49:55 -0800 | [diff] [blame] | 36 | #else /* !CONFIG_X86_32 */ |
Harvey Harrison | 123a634 | 2008-02-08 12:10:00 -0800 | [diff] [blame] | 37 | struct rt_sigframe { |
| 38 | char __user *pretcode; |
| 39 | struct ucontext uc; |
| 40 | struct siginfo info; |
Suresh Siddha | 3c1c7f1 | 2008-07-29 10:29:21 -0700 | [diff] [blame] | 41 | /* fp state follows here */ |
Harvey Harrison | 123a634 | 2008-02-08 12:10:00 -0800 | [diff] [blame] | 42 | }; |
Hiroshi Shimamoto | a5c56eb | 2008-12-17 18:49:55 -0800 | [diff] [blame] | 43 | #endif /* CONFIG_X86_32 */ |