PATCH: Use x86_64 bits/{debugreg,reg}.h for i386 and x86-64

["H.J. Lu" <hongjiu dot lu at intel dot com>]

Hi,

This patch uses x86_64 bits/{debugreg,reg}.h for i386 and x86-64.  OK
to install?

Thanks.

H.J.
---
	* sysdeps/unix/sysv/linux/i386/bits/debugreg.h: Removed.
	* sysdeps/unix/sysv/linux/x86_64/bits/debugreg.h: Renamed to ...
	* sysdeps/unix/sysv/linux/x86/bits/debugreg.h: This.
	* sysdeps/unix/sysv/linux/i386/bits/reg.h: Removed.
	* sysdeps/unix/sysv/linux/x86_64/bits/reg.h: Renamed to ...
	* sysdeps/unix/sysv/linux/x86/bits/reg.h: This.

diff --git a/sysdeps/unix/sysv/linux/i386/sys/debugreg.h b/sysdeps/unix/sysv/linux/i386/sys/debugreg.h
deleted file mode 100644
index ac1926b..0000000
--- a/sysdeps/unix/sysv/linux/i386/sys/debugreg.h
+++ /dev/null
@@ -1,90 +0,0 @@
-/* Copyright (C) 1998, 2000 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _SYS_DEBUGREG_H
-#define _SYS_DEBUGREG_H	1
-
-/* Indicate the register numbers for a number of the specific
-   debug registers.  Registers 0-3 contain the addresses we wish to trap on */
-#define DR_FIRSTADDR 0        /* u_debugreg[DR_FIRSTADDR] */
-#define DR_LASTADDR 3         /* u_debugreg[DR_LASTADDR]  */
-
-#define DR_STATUS 6           /* u_debugreg[DR_STATUS]     */
-#define DR_CONTROL 7          /* u_debugreg[DR_CONTROL] */
-
-/* Define a few things for the status register.  We can use this to determine
-   which debugging register was responsible for the trap.  The other bits
-   are either reserved or not of interest to us. */
-
-#define DR_TRAP0	(0x1)		/* db0 */
-#define DR_TRAP1	(0x2)		/* db1 */
-#define DR_TRAP2	(0x4)		/* db2 */
-#define DR_TRAP3	(0x8)		/* db3 */
-
-#define DR_STEP		(0x4000)	/* single-step */
-#define DR_SWITCH	(0x8000)	/* task switch */
-
-/* Now define a bunch of things for manipulating the control register.
-   The top two bytes of the control register consist of 4 fields of 4
-   bits - each field corresponds to one of the four debug registers,
-   and indicates what types of access we trap on, and how large the data
-   field is that we are looking at */
-
-#define DR_CONTROL_SHIFT 16   /* Skip this many bits in ctl register */
-#define DR_CONTROL_SIZE  4    /* 4 control bits per register */
-
-#define DR_RW_EXECUTE	(0x0) /* Settings for the access types to trap on */
-#define DR_RW_WRITE	(0x1)
-#define DR_RW_READ	(0x3)
-
-#define DR_LEN_1 (0x0)	      /* Settings for data length to trap on */
-#define DR_LEN_2 (0x4)
-#define DR_LEN_4 (0xC)
-
-/* The low byte to the control register determine which registers are
-   enabled.  There are 4 fields of two bits.  One bit is "local", meaning
-   that the processor will reset the bit after a task switch and the other
-   is global meaning that we have to explicitly reset the bit.  With linux,
-   you can use either one, since we explicitly zero the register when we enter
-   kernel mode. */
-
-#define DR_LOCAL_ENABLE_SHIFT  0   /* Extra shift to the local enable bit */
-#define DR_GLOBAL_ENABLE_SHIFT 1   /* Extra shift to the global enable bit */
-#define DR_ENABLE_SIZE	       2   /* 2 enable bits per register */
-
-#define DR_LOCAL_ENABLE_MASK  (0x55) /* Set  local bits for all 4 regs */
-#define DR_GLOBAL_ENABLE_MASK (0xAA) /* Set global bits for all 4 regs */
-
-/* The second byte to the control register has a few special things.
-
-    On the i386, you should set the DR_LOCAL_SLOWDOWN or
-    DR_GLOBAL_SLOWDOWN bits if you want to know exactly which
-    instruction triggered the watchpoint.  Setting these bits causes
-    the processor to run more slowly, but leaving them clear makes it
-    treat watchpoint hits as imprecise exceptions, so you can't
-    reliably determine which instruction caused the hit.
-
-    The i486 and all later IA-32 processors ignore DR_LOCAL_SLOWDOWN
-    and DR_GLOBAL_SLOWDOWN.  They always report the exception
-    precisely, except in some rare cases, which the user can't do
-    anything about.  */
-
-#define DR_CONTROL_RESERVED (0xFC00) /* Reserved by Intel */
-#define DR_LOCAL_SLOWDOWN   (0x100)  /* Local slow the pipeline */
-#define DR_GLOBAL_SLOWDOWN  (0x200)  /* Global slow the pipeline */
-
-#endif	/* sys/debugreg.h */
diff --git a/sysdeps/unix/sysv/linux/i386/sys/reg.h b/sysdeps/unix/sysv/linux/i386/sys/reg.h
deleted file mode 100644
index b993f99..0000000
--- a/sysdeps/unix/sysv/linux/i386/sys/reg.h
+++ /dev/null
@@ -1,42 +0,0 @@
-/* Copyright (C) 1998 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
-
-#ifndef _SYS_REG_H
-#define _SYS_REG_H	1
-
-/* Index into an array of 4 byte integers returned from ptrace for
- * location of the users' stored general purpose registers. */
-
-#define EBX 0
-#define ECX 1
-#define EDX 2
-#define ESI 3
-#define EDI 4
-#define EBP 5
-#define EAX 6
-#define DS 7
-#define ES 8
-#define FS 9
-#define GS 10
-#define ORIG_EAX 11
-#define EIP 12
-#define CS  13
-#define EFL 14
-#define UESP 15
-#define SS   16
-
-#endif	/* _SYS_REG_H */
diff --git a/sysdeps/unix/sysv/linux/x86_64/sys/debugreg.h b/sysdeps/unix/sysv/linux/x86/sys/debugreg.h
similarity index 100%
rename from sysdeps/unix/sysv/linux/x86_64/sys/debugreg.h
rename to sysdeps/unix/sysv/linux/x86/sys/debugreg.h
diff --git a/sysdeps/unix/sysv/linux/x86_64/sys/reg.h b/sysdeps/unix/sysv/linux/x86/sys/reg.h
similarity index 100%
rename from sysdeps/unix/sysv/linux/x86_64/sys/reg.h
rename to sysdeps/unix/sysv/linux/x86/sys/reg.h