Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
x86: merge sigcontext_32/64.h
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
-2
include/asm-x86/Kbuild
-2
include/asm-x86/Kbuild
+137
-12
include/asm-x86/sigcontext.h
+137
-12
include/asm-x86/sigcontext.h
···
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#ifndef _ASM_X86_SIGCONTEXT_H
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#define _ASM_X86_SIGCONTEXT_H
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#include <linux/compiler.h>
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#include <asm/types.h>
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#ifdef __i386__
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/*
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* As documented in the iBCS2 standard..
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*
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* The first part of "struct _fpstate" is just the normal i387
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* hardware setup, the extra "status" word is used to save the
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* coprocessor status word before entering the handler.
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*
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* Pentium III FXSR, SSE support
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* Gareth Hughes <gareth@valinux.com>, May 2000
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*
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* The FPU state data structure has had to grow to accommodate the
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* extended FPU state required by the Streaming SIMD Extensions.
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* There is no documented standard to accomplish this at the moment.
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*/
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struct _fpreg {
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unsigned short significand[4];
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unsigned short exponent;
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};
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struct _fpxreg {
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unsigned short significand[4];
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unsigned short exponent;
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unsigned short padding[3];
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};
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struct _xmmreg {
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unsigned long element[4];
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};
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struct _fpstate {
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/* Regular FPU environment */
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unsigned long cw;
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unsigned long sw;
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unsigned long tag;
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unsigned long ipoff;
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unsigned long cssel;
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unsigned long dataoff;
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unsigned long datasel;
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struct _fpreg _st[8];
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unsigned short status;
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unsigned short magic; /* 0xffff = regular FPU data only */
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/* FXSR FPU environment */
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unsigned long _fxsr_env[6]; /* FXSR FPU env is ignored */
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unsigned long mxcsr;
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unsigned long reserved;
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struct _fpxreg _fxsr_st[8]; /* FXSR FPU reg data is ignored */
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struct _xmmreg _xmm[8];
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unsigned long padding[56];
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};
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#define X86_FXSR_MAGIC 0x0000
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struct sigcontext {
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unsigned short gs, __gsh;
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unsigned short fs, __fsh;
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unsigned short es, __esh;
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unsigned short ds, __dsh;
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unsigned long edi;
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unsigned long esi;
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unsigned long ebp;
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unsigned long esp;
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unsigned long ebx;
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unsigned long edx;
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unsigned long ecx;
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unsigned long eax;
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unsigned long trapno;
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unsigned long err;
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unsigned long eip;
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unsigned short cs, __csh;
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unsigned long eflags;
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unsigned long esp_at_signal;
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unsigned short ss, __ssh;
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struct _fpstate __user * fpstate;
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unsigned long oldmask;
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unsigned long cr2;
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};
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#else /* __i386__ */
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/* FXSAVE frame */
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/* Note: reserved1/2 may someday contain valuable data. Always save/restore
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them when you change signal frames. */
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struct _fpstate {
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__u16 cwd;
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__u16 swd;
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__u16 twd; /* Note this is not the same as the 32bit/x87/FSAVE twd */
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__u16 fop;
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__u64 rip;
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__u64 rdp;
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__u32 mxcsr;
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__u32 mxcsr_mask;
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__u32 st_space[32]; /* 8*16 bytes for each FP-reg */
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__u32 xmm_space[64]; /* 16*16 bytes for each XMM-reg */
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__u32 reserved2[24];
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};
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struct sigcontext {
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unsigned long r8;
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unsigned long r9;
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unsigned long r10;
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unsigned long r11;
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unsigned long r12;
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unsigned long r13;
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unsigned long r14;
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unsigned long r15;
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unsigned long rdi;
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unsigned long rsi;
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unsigned long rbp;
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unsigned long rbx;
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unsigned long rdx;
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unsigned long rax;
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unsigned long rcx;
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unsigned long rsp;
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unsigned long rip;
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unsigned long eflags; /* RFLAGS */
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unsigned short cs;
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unsigned short gs;
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unsigned short fs;
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unsigned short __pad0;
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unsigned long err;
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unsigned long trapno;
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unsigned long oldmask;
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unsigned long cr2;
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struct _fpstate __user *fpstate; /* zero when no FPU context */
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unsigned long reserved1[8];
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};
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#endif /* !__i386__ */
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#endif
-85
include/asm-x86/sigcontext_32.h
-85
include/asm-x86/sigcontext_32.h
···
1
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#ifndef _ASMi386_SIGCONTEXT_H
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#define _ASMi386_SIGCONTEXT_H
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#include <linux/compiler.h>
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/*
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* As documented in the iBCS2 standard..
8
-
*
9
-
* The first part of "struct _fpstate" is just the normal i387
10
-
* hardware setup, the extra "status" word is used to save the
11
-
* coprocessor status word before entering the handler.
12
-
*
13
-
* Pentium III FXSR, SSE support
14
-
* Gareth Hughes <gareth@valinux.com>, May 2000
15
-
*
16
-
* The FPU state data structure has had to grow to accommodate the
17
-
* extended FPU state required by the Streaming SIMD Extensions.
18
-
* There is no documented standard to accomplish this at the moment.
19
-
*/
20
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struct _fpreg {
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unsigned short significand[4];
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unsigned short exponent;
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};
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struct _fpxreg {
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unsigned short significand[4];
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unsigned short exponent;
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unsigned short padding[3];
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};
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-
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struct _xmmreg {
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unsigned long element[4];
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};
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-
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struct _fpstate {
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/* Regular FPU environment */
37
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unsigned long cw;
38
-
unsigned long sw;
39
-
unsigned long tag;
40
-
unsigned long ipoff;
41
-
unsigned long cssel;
42
-
unsigned long dataoff;
43
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unsigned long datasel;
44
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struct _fpreg _st[8];
45
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unsigned short status;
46
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unsigned short magic; /* 0xffff = regular FPU data only */
47
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48
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/* FXSR FPU environment */
49
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unsigned long _fxsr_env[6]; /* FXSR FPU env is ignored */
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unsigned long mxcsr;
51
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unsigned long reserved;
52
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struct _fpxreg _fxsr_st[8]; /* FXSR FPU reg data is ignored */
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struct _xmmreg _xmm[8];
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unsigned long padding[56];
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};
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#define X86_FXSR_MAGIC 0x0000
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struct sigcontext {
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unsigned short gs, __gsh;
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unsigned short fs, __fsh;
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unsigned short es, __esh;
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unsigned short ds, __dsh;
64
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unsigned long edi;
65
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unsigned long esi;
66
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unsigned long ebp;
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unsigned long esp;
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unsigned long ebx;
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unsigned long edx;
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unsigned long ecx;
71
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unsigned long eax;
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unsigned long trapno;
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unsigned long err;
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unsigned long eip;
75
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unsigned short cs, __csh;
76
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unsigned long eflags;
77
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unsigned long esp_at_signal;
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unsigned short ss, __ssh;
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struct _fpstate __user * fpstate;
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unsigned long oldmask;
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unsigned long cr2;
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};
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#endif
···
-55
include/asm-x86/sigcontext_64.h
-55
include/asm-x86/sigcontext_64.h
···
1
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#ifndef _ASM_X86_64_SIGCONTEXT_H
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#define _ASM_X86_64_SIGCONTEXT_H
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4
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#include <asm/types.h>
5
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#include <linux/compiler.h>
6
-
7
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/* FXSAVE frame */
8
-
/* Note: reserved1/2 may someday contain valuable data. Always save/restore
9
-
them when you change signal frames. */
10
-
struct _fpstate {
11
-
__u16 cwd;
12
-
__u16 swd;
13
-
__u16 twd; /* Note this is not the same as the 32bit/x87/FSAVE twd */
14
-
__u16 fop;
15
-
__u64 rip;
16
-
__u64 rdp;
17
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__u32 mxcsr;
18
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__u32 mxcsr_mask;
19
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__u32 st_space[32]; /* 8*16 bytes for each FP-reg */
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__u32 xmm_space[64]; /* 16*16 bytes for each XMM-reg */
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__u32 reserved2[24];
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};
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struct sigcontext {
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unsigned long r8;
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unsigned long r9;
27
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unsigned long r10;
28
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unsigned long r11;
29
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unsigned long r12;
30
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unsigned long r13;
31
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unsigned long r14;
32
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unsigned long r15;
33
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unsigned long rdi;
34
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unsigned long rsi;
35
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unsigned long rbp;
36
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unsigned long rbx;
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unsigned long rdx;
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unsigned long rax;
39
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unsigned long rcx;
40
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unsigned long rsp;
41
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unsigned long rip;
42
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unsigned long eflags; /* RFLAGS */
43
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unsigned short cs;
44
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unsigned short gs;
45
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unsigned short fs;
46
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unsigned short __pad0;
47
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unsigned long err;
48
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unsigned long trapno;
49
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unsigned long oldmask;
50
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unsigned long cr2;
51
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struct _fpstate __user *fpstate; /* zero when no FPU context */
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unsigned long reserved1[8];
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};
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#endif
···