[tip:x86/headers] x86/headers: Use ABI types consistently in sigcontext*.h

From: tip-bot for Ingo Molnar
Date: Tue Sep 08 2015 - 10:27:36 EST

Commit-ID: 3f623a5b27c150451387e358774131780dbd2407
Gitweb: http://git.kernel.org/tip/3f623a5b27c150451387e358774131780dbd2407
Author: Ingo Molnar <mingo@xxxxxxxxxx>
AuthorDate: Sat, 5 Sep 2015 09:32:33 +0200
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Tue, 8 Sep 2015 10:03:56 +0200

x86/headers: Use ABI types consistently in sigcontext*.h

Use the __u16/32/64 types we standardized on in ABI definitions
- and which most of this header was already using.

This will allow us to more obviously unify the compat header
into the main header.

No change in functionality.

Acked-by: Mikko Rapeli <mikko.rapeli@xxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Brian Gerst <brgerst@xxxxxxxxx>
Cc: Denys Vlasenko <dvlasenk@xxxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Link: http://lkml.kernel.org/r/1441438363-9999-6-git-send-email-mingo@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/include/uapi/asm/sigcontext.h | 82 ++++++++++++++++----------------
arch/x86/include/uapi/asm/sigcontext32.h | 58 +++++++++++-----------
2 files changed, 70 insertions(+), 70 deletions(-)

diff --git a/arch/x86/include/uapi/asm/sigcontext.h b/arch/x86/include/uapi/asm/sigcontext.h
index 40d6cba..07b0e32 100644
--- a/arch/x86/include/uapi/asm/sigcontext.h
+++ b/arch/x86/include/uapi/asm/sigcontext.h
@@ -78,48 +78,48 @@ struct _fpx_sw_bytes {

/* 10-byte legacy floating point register: */
struct _fpreg {
- unsigned short significand[4];
- unsigned short exponent;
+ __u16 significand[4];
+ __u16 exponent;
};

/* 16-byte floating point register: */
struct _fpxreg {
- unsigned short significand[4];
- unsigned short exponent;
- unsigned short padding[3];
+ __u16 significand[4];
+ __u16 exponent;
+ __u16 padding[3];
};

/* 16-byte XMM register: */
struct _xmmreg {
- unsigned long element[4];
+ __u32 element[4];
};

#define X86_FXSR_MAGIC 0x0000

struct _fpstate {
/* Legacy FPU environment: */
- unsigned long cw;
- unsigned long sw;
- unsigned long tag;
- unsigned long ipoff;
- unsigned long cssel;
- unsigned long dataoff;
- unsigned long datasel;
+ __u32 cw;
+ __u32 sw;
+ __u32 tag;
+ __u32 ipoff;
+ __u32 cssel;
+ __u32 dataoff;
+ __u32 datasel;
struct _fpreg _st[8];
- unsigned short status;
- unsigned short magic; /* 0xffff: regular FPU data only */
+ __u16 status;
+ __u16 magic; /* 0xffff: regular FPU data only */
/* 0x0000: FXSR FPU data */

/* FXSR FPU environment */
- unsigned long _fxsr_env[6]; /* FXSR FPU env is ignored */
- unsigned long mxcsr;
- unsigned long reserved;
+ __u32 _fxsr_env[6]; /* FXSR FPU env is ignored */
+ __u32 mxcsr;
+ __u32 reserved;
struct _fpxreg _fxsr_st[8]; /* FXSR FPU reg data is ignored */
struct _xmmreg _xmm[8]; /* First 8 XMM registers */
- unsigned long padding1[44]; /* Second 8 XMM registers plus padding */
+ __u32 padding1[44]; /* Second 8 XMM registers plus padding */

union {
- unsigned long padding2[12];
+ __u32 padding2[12];
struct _fpx_sw_bytes sw_reserved; /* Potential extended state is encoded here */
};
};
@@ -191,28 +191,28 @@ struct _xstate {
#ifndef __KERNEL__
# ifdef __i386__
struct sigcontext {
- unsigned short gs, __gsh;
- unsigned short fs, __fsh;
- unsigned short es, __esh;
- unsigned short ds, __dsh;
- unsigned long edi;
- unsigned long esi;
- unsigned long ebp;
- unsigned long esp;
- unsigned long ebx;
- unsigned long edx;
- unsigned long ecx;
- unsigned long eax;
- unsigned long trapno;
- unsigned long err;
- unsigned long eip;
- unsigned short cs, __csh;
- unsigned long eflags;
- unsigned long esp_at_signal;
- unsigned short ss, __ssh;
+ __u16 gs, __gsh;
+ __u16 fs, __fsh;
+ __u16 es, __esh;
+ __u16 ds, __dsh;
+ __u32 edi;
+ __u32 esi;
+ __u32 ebp;
+ __u32 esp;
+ __u32 ebx;
+ __u32 edx;
+ __u32 ecx;
+ __u32 eax;
+ __u32 trapno;
+ __u32 err;
+ __u32 eip;
+ __u16 cs, __csh;
+ __u32 eflags;
+ __u32 esp_at_signal;
+ __u16 ss, __ssh;
struct _fpstate __user *fpstate;
- unsigned long oldmask;
- unsigned long cr2;
+ __u32 oldmask;
+ __u32 cr2;
};
# else /* __x86_64__: */
struct sigcontext {
diff --git a/arch/x86/include/uapi/asm/sigcontext32.h b/arch/x86/include/uapi/asm/sigcontext32.h
index 6ff4fba..939a848 100644
--- a/arch/x86/include/uapi/asm/sigcontext32.h
+++ b/arch/x86/include/uapi/asm/sigcontext32.h
@@ -9,15 +9,15 @@

/* 10-byte legacy floating point register: */
struct _fpreg {
- unsigned short significand[4];
- unsigned short exponent;
+ __u16 significand[4];
+ __u16 exponent;
};

/* 16-byte floating point register: */
struct _fpxreg {
- unsigned short significand[4];
- unsigned short exponent;
- unsigned short padding[3];
+ __u16 significand[4];
+ __u16 exponent;
+ __u16 padding[3];
};

/* 16-byte XMM vector register: */
@@ -38,8 +38,8 @@ struct _fpstate_ia32 {
__u32 dataoff;
__u32 datasel;
struct _fpreg _st[8];
- unsigned short status;
- unsigned short magic; /* 0xffff: regular FPU data only */
+ __u16 status;
+ __u16 magic; /* 0xffff: regular FPU data only */
/* 0x0000: FXSR data */

/* Extended FXSR FPU environment: */
@@ -58,28 +58,28 @@ struct _fpstate_ia32 {

/* 32-bit compat sigcontext: */
struct sigcontext_ia32 {
- unsigned short gs, __gsh;
- unsigned short fs, __fsh;
- unsigned short es, __esh;
- unsigned short ds, __dsh;
- unsigned int di;
- unsigned int si;
- unsigned int bp;
- unsigned int sp;
- unsigned int bx;
- unsigned int dx;
- unsigned int cx;
- unsigned int ax;
- unsigned int trapno;
- unsigned int err;
- unsigned int ip;
- unsigned short cs, __csh;
- unsigned int flags;
- unsigned int sp_at_signal;
- unsigned short ss, __ssh;
- unsigned int fpstate; /* Pointer to 'struct _fpstate_ia32' */
- unsigned int oldmask;
- unsigned int cr2;
+ __u16 gs, __gsh;
+ __u16 fs, __fsh;
+ __u16 es, __esh;
+ __u16 ds, __dsh;
+ __u32 di;
+ __u32 si;
+ __u32 bp;
+ __u32 sp;
+ __u32 bx;
+ __u32 dx;
+ __u32 cx;
+ __u32 ax;
+ __u32 trapno;
+ __u32 err;
+ __u32 ip;
+ __u16 cs, __csh;
+ __u32 flags;
+ __u32 sp_at_signal;
+ __u16 ss, __ssh;
+ __u32 fpstate; /* Pointer to 'struct _fpstate_ia32' */
+ __u32 oldmask;
+ __u32 cr2;
};

#endif /* _ASM_X86_SIGCONTEXT32_H */
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