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author | Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> | 2008-12-17 18:50:32 -0800 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-12-18 11:28:54 +0100 |
commit | 41af86fad3c40646b9748279e3862781e937a5d2 (patch) | |
tree | 38b361f74c19b95a9cae9365742264a522dda294 /arch/x86/include/asm | |
parent | a5c56eb36f999ae0ecac278e51fd1cf8feb16c2f (diff) | |
download | op-kernel-dev-41af86fad3c40646b9748279e3862781e937a5d2.zip op-kernel-dev-41af86fad3c40646b9748279e3862781e937a5d2.tar.gz |
x86: signal: move sigframe.h to arch/x86/include/asm
Impact: cleanup, move header file
Move arch/x86/kernel/sigframe.h to arch/x86/include/asm/sigframe.h.
It will be used in arch/x86/ia32/ia32_signal.c.
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include/asm')
-rw-r--r-- | arch/x86/include/asm/sigframe.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/x86/include/asm/sigframe.h b/arch/x86/include/asm/sigframe.h new file mode 100644 index 0000000..6718ed0 --- /dev/null +++ b/arch/x86/include/asm/sigframe.h @@ -0,0 +1,43 @@ +#ifdef CONFIG_X86_32 +#define sigframe_ia32 sigframe +#define rt_sigframe_ia32 rt_sigframe +#define sigcontext_ia32 sigcontext +#define _fpstate_ia32 _fpstate +#define ucontext_ia32 ucontext + +struct sigframe_ia32 { + u32 pretcode; + int sig; + struct sigcontext_ia32 sc; + /* + * fpstate is unused. fpstate is moved/allocated after + * retcode[] below. This movement allows to have the FP state and the + * future state extensions (xsave) stay together. + * And at the same time retaining the unused fpstate, prevents changing + * the offset of extramask[] in the sigframe and thus prevent any + * legacy application accessing/modifying it. + */ + struct _fpstate_ia32 fpstate_unused; + unsigned long extramask[_NSIG_WORDS-1]; + char retcode[8]; + /* fp state follows here */ +}; + +struct rt_sigframe_ia32 { + u32 pretcode; + int sig; + u32 pinfo; + u32 puc; + struct siginfo info; + struct ucontext_ia32 uc; + char retcode[8]; + /* fp state follows here */ +}; +#else /* !CONFIG_X86_32 */ +struct rt_sigframe { + char __user *pretcode; + struct ucontext uc; + struct siginfo info; + /* fp state follows here */ +}; +#endif /* CONFIG_X86_32 */ |