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b829d1be20
ia32.h should only contain the code for 32-bit compatability. Signed-off-by: Brian Gerst <brgerst@gmail.com> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@alien8.de> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1434974121-32575-4-git-send-email-brgerst@gmail.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
#ifndef _ASM_X86_SIGFRAME_H
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#define _ASM_X86_SIGFRAME_H
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#include <asm/sigcontext.h>
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#include <asm/siginfo.h>
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#include <asm/ucontext.h>
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#include <linux/compat.h>
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#ifdef CONFIG_X86_32
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#define sigframe_ia32 sigframe
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#define rt_sigframe_ia32 rt_sigframe
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#define sigcontext_ia32 sigcontext
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#define _fpstate_ia32 _fpstate
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#define ucontext_ia32 ucontext
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#else /* !CONFIG_X86_32 */
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#ifdef CONFIG_IA32_EMULATION
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#include <asm/ia32.h>
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#endif /* CONFIG_IA32_EMULATION */
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#endif /* CONFIG_X86_32 */
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#if defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION)
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struct sigframe_ia32 {
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u32 pretcode;
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int sig;
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struct sigcontext_ia32 sc;
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/*
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* fpstate is unused. fpstate is moved/allocated after
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* retcode[] below. This movement allows to have the FP state and the
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* future state extensions (xsave) stay together.
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* And at the same time retaining the unused fpstate, prevents changing
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* the offset of extramask[] in the sigframe and thus prevent any
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* legacy application accessing/modifying it.
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*/
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struct _fpstate_ia32 fpstate_unused;
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#ifdef CONFIG_IA32_EMULATION
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unsigned int extramask[_COMPAT_NSIG_WORDS-1];
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#else /* !CONFIG_IA32_EMULATION */
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unsigned long extramask[_NSIG_WORDS-1];
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#endif /* CONFIG_IA32_EMULATION */
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char retcode[8];
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/* fp state follows here */
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};
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struct rt_sigframe_ia32 {
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u32 pretcode;
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int sig;
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u32 pinfo;
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u32 puc;
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#ifdef CONFIG_IA32_EMULATION
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compat_siginfo_t info;
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#else /* !CONFIG_IA32_EMULATION */
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struct siginfo info;
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#endif /* CONFIG_IA32_EMULATION */
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struct ucontext_ia32 uc;
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char retcode[8];
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/* fp state follows here */
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};
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#endif /* defined(CONFIG_X86_32) || defined(CONFIG_IA32_EMULATION) */
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#ifdef CONFIG_X86_64
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struct rt_sigframe {
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char __user *pretcode;
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struct ucontext uc;
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struct siginfo info;
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/* fp state follows here */
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};
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#ifdef CONFIG_X86_X32_ABI
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struct ucontext_x32 {
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unsigned int uc_flags;
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unsigned int uc_link;
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compat_stack_t uc_stack;
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unsigned int uc__pad0; /* needed for alignment */
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struct sigcontext uc_mcontext; /* the 64-bit sigcontext type */
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compat_sigset_t uc_sigmask; /* mask last for extensibility */
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};
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struct rt_sigframe_x32 {
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u64 pretcode;
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struct ucontext_x32 uc;
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compat_siginfo_t info;
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/* fp state follows here */
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};
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#endif /* CONFIG_X86_X32_ABI */
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#endif /* CONFIG_X86_64 */
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#endif /* _ASM_X86_SIGFRAME_H */
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