Rename 32- and 64-bit Intel files from "i386" to "x86"

This commit renames nine files that contain code used by both 32- and
64-bit Intel ports such that their names are prefixed with "x86"
rather than "i386".  All types, functions and variables within these
files are likewise renamed such that their names are prefixed with
"x86" rather than "i386".  This makes GDB follow the convention used
by gdbserver such that 32-bit Intel code lives in files called
"i386-*", 64-bit Intel code lives in files called "amd64-*", and code
for both 32- and 64-bit Intel lives in files called "x86-*".

This commit only renames OS-independent files.  The Linux ports of
both GDB and gdbserver now follow the i386/amd64/x86 convention fully.
Some ports still use the old convention where "i386" in file/function/
type/variable names can mean "32-bit only" or "32- and 64-bit" but I
don't want to touch ports I can't fully test except where absolutely
necessary.

gdb/ChangeLog:

	* i386-nat.h: Renamed as...
	* x86-nat.h: New file.  All type, function and variable name
	prefixes changed from "i386_" to "x86_".  All references updated.
	* i386-nat.c: Renamed as...
	* x86-nat.c: New file.  All type, function and variable name
	prefixes changed from "i386_" to "x86_".  All references updated.
	* common/i386-xstate.h: Renamed as...
	* common/x86-xstate.h: New file.  All type, function and variable
	name prefixes changed from "i386_" to "x86_".  All references
	updated.
	* nat/i386-cpuid.h: Renamed as...
	* nat/x86-cpuid.h: New file.  All type, function and variable name
	prefixes changed from "i386_" to "x86_".  All references updated.
	* nat/i386-gcc-cpuid.h: Renamed as...
	* nat/x86-gcc-cpuid.h: New file.  All type, function and variable
	name prefixes changed from "i386_" to "x86_".  All references
	updated.
	* nat/i386-dregs.h: Renamed as...
	* nat/x86-dregs.h: New file.  All type, function and variable name
	prefixes changed from "i386_" to "x86_".  All references updated.
	* nat/i386-dregs.c: Renamed as...
	* nat/x86-dregs.c: New file.  All type, function and variable name
	prefixes changed from "i386_" to "x86_".  All references updated.

gdb/gdbserver/ChangeLog:

	* i386-low.h: Renamed as...
	* x86-low.h: New file.  All type, function and variable name
	prefixes changed from "i386_" to "x86_".  All references updated.
	* i386-low.c: Renamed as...
	* x86-low.c: New file.  All type, function and variable name
	prefixes changed from "i386_" to "x86_".  All references updated.

1 files changed, 13 insertions, 13 deletions

diff --git a/gdb/go32-nat.c b/gdb/go32-nat.c
index ed54247..8f59426 100644
--- a/gdb/go32-nat.c
+++ b/gdb/go32-nat.c
@@ -85,7 +85,7 @@
 
 #include <fcntl.h>
 
-#include "i386-nat.h"
+#include "x86-nat.h"
 #include "inferior.h"
 #include "infrun.h"
 #include "gdbthread.h"
@@ -97,7 +97,7 @@
 #include "buildsym.h"
 #include "i387-tdep.h"
 #include "i386-tdep.h"
-#include "nat/i386-cpuid.h"
+#include "nat/x86-cpuid.h"
 #include "value.h"
 #include "regcache.h"
 #include "top.h"
@@ -735,7 +735,7 @@ go32_mourn_inferior (struct target_ops *ops)
      be nice if GDB itself would take care to remove all breakpoints
      at all times, but it doesn't, probably under an assumption that
      the OS cleans up when the debuggee exits.  */
-  i386_cleanup_dregs ();
+  x86_cleanup_dregs ();
 
   ptid = inferior_ptid;
   inferior_ptid = null_ptid;
@@ -1083,12 +1083,12 @@ go32_sysinfo (char *arg, int from_tty)
     {
       /* CPUID with EAX = 0 returns the Vendor ID.  */
 #if 0
-      /* Ideally we would use i386_cpuid(), but it needs someone to run
+      /* Ideally we would use x86_cpuid(), but it needs someone to run
          native tests first to make sure things actually work.  They should.
          http://sourceware.org/ml/gdb-patches/2013-05/msg00164.html  */
       unsigned int eax, ebx, ecx, edx;
 
-      if (i386_cpuid (0, &eax, &ebx, &ecx, &edx))
+      if (x86_cpuid (0, &eax, &ebx, &ecx, &edx))
 	{
 	  cpuid_max = eax;
 	  memcpy (&vendor[0], &ebx, 4);
@@ -1141,7 +1141,7 @@ go32_sysinfo (char *arg, int from_tty)
 
 #if 0
       /* See comment above about cpuid usage.  */
-      i386_cpuid (1, &cpuid_eax, &cpuid_ebx, NULL, &cpuid_edx);
+      x86_cpuid (1, &cpuid_eax, &cpuid_ebx, NULL, &cpuid_edx);
 #else
       __asm__ __volatile__ ("movl   $1, %%eax;"
 			    "cpuid;"
@@ -2062,14 +2062,14 @@ _initialize_go32_nat (void)
 {
   struct target_ops *t = go32_target ();
 
-  i386_dr_low.set_control = go32_set_dr7;
-  i386_dr_low.set_addr = go32_set_dr;
-  i386_dr_low.get_status = go32_get_dr6;
-  i386_dr_low.get_control = go32_get_dr7;
-  i386_dr_low.get_addr = go32_get_dr;
-  i386_set_debug_register_length (4);
+  x86_dr_low.set_control = go32_set_dr7;
+  x86_dr_low.set_addr = go32_set_dr;
+  x86_dr_low.get_status = go32_get_dr6;
+  x86_dr_low.get_control = go32_get_dr7;
+  x86_dr_low.get_addr = go32_get_dr;
+  x86_set_debug_register_length (4);
 
-  i386_use_watchpoints (t);
+  x86_use_watchpoints (t);
   add_target (t);
 
   /* Initialize child's cwd as empty to be initialized when starting