* Makefile.in (ALLDEPFILES): Remove i387-nat.c.

(i387-nat.o): Delete dependency list.
(go32-nat.o): Change i387-nat.h to i387-tdep.h.
(x86-64-linux-nat.o): Likewise.
* i387-nat.c: Delete file, moving contents to...
* i387-tdep.c: ...here.
* i387-nat.h: Rename...
* i387-tdep.h: ...to this.
* go32-nat.c: Include i387-tdep.h instead of i387-nat.h.
* i386-linux-nat.c: Likewise.
* i386bsd-nat.c: Likewise.
* i386gnu-nat.c: Likewise.
* i386nbsd-nat.c: Likewise.
* i386v4-nat.c: Likewise.
* x86-64-linux-nat.c: Likewise.
* config/i386/fbsd.mh (NATDEPFILES): Remove i387-nat.o.
* config/i386/go32.mh (NATDEPFILES): Likewise.
* config/i386/i386gnu.mh (NATDEPFILES): Likewise.
* config/i386/i386sol2.mh (NATDEPFILES): Likewise.
* config/i386/i386v42mp.mh (NATDEPFILES): Likewise.
* config/i386/linux.mh (NATDEPFILES): Likewise.
* config/i386/nbsd.mh (NATDEPFILES): Likewise.
* config/i386/nbsdelf.mh (NATDEPFILES): Likewise.
* config/i386/obsd.mh (NATDEPFILES): Likewise.
* config/i386/x86-64linux.mh (NATDEPFILES): Likewise.

22 files changed, 360 insertions, 362 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index be0d4d98217..870cd2a509e 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,33 @@
 2002-05-11  Jason Thorpe  <thorpej@wasabisystems.com>
 
+	* Makefile.in (ALLDEPFILES): Remove i387-nat.c.
+	(i387-nat.o): Delete dependency list.
+	(go32-nat.o): Change i387-nat.h to i387-tdep.h.
+	(x86-64-linux-nat.o): Likewise.
+	* i387-nat.c: Delete file, moving contents to...
+	* i387-tdep.c: ...here.
+	* i387-nat.h: Rename...
+	* i387-tdep.h: ...to this.
+	* go32-nat.c: Include i387-tdep.h instead of i387-nat.h.
+	* i386-linux-nat.c: Likewise.
+	* i386bsd-nat.c: Likewise.
+	* i386gnu-nat.c: Likewise.
+	* i386nbsd-nat.c: Likewise.
+	* i386v4-nat.c: Likewise.
+	* x86-64-linux-nat.c: Likewise.
+	* config/i386/fbsd.mh (NATDEPFILES): Remove i387-nat.o.
+	* config/i386/go32.mh (NATDEPFILES): Likewise.
+	* config/i386/i386gnu.mh (NATDEPFILES): Likewise.
+	* config/i386/i386sol2.mh (NATDEPFILES): Likewise.
+	* config/i386/i386v42mp.mh (NATDEPFILES): Likewise.
+	* config/i386/linux.mh (NATDEPFILES): Likewise.
+	* config/i386/nbsd.mh (NATDEPFILES): Likewise.
+	* config/i386/nbsdelf.mh (NATDEPFILES): Likewise.
+	* config/i386/obsd.mh (NATDEPFILES): Likewise.
+	* config/i386/x86-64linux.mh (NATDEPFILES): Likewise.
+
+2002-05-11  Jason Thorpe  <thorpej@wasabisystems.com>
+
 	* Makefile.in (ALLDEPFILES): Add alphabsd-tdep.c.
 	(alphabsd-nat.o): Depend on alphabsd-tdep.h.
 	(alphanbsd-nat.o): Likewise.
diff --git a/gdb/Makefile.in b/gdb/Makefile.in
index 4ff310502e4..cb9efcff2d4 100644
--- a/gdb/Makefile.in
+++ b/gdb/Makefile.in
@@ -1192,7 +1192,7 @@ ALLDEPFILES = 29k-share/udi/udip2soc.c 29k-share/udi/udr.c \
 	i386-tdep.c i386b-nat.c i386mach-nat.c i386v-nat.c i386-linux-nat.c \
 	i386aix-nat.c i386m3-nat.c i386v4-nat.c i386ly-tdep.c \
 	i386bsd-nat.c i386bsd-tdep.c i386fbsd-nat.c \
-	i387-tdep.c i387-nat.c \
+	i387-tdep.c \
 	i386-linux-tdep.c i386-nat.c \
 	i960-tdep.c \
 	ia64-linux-nat.c ia64-linux-tdep.c ia64-tdep.c \
@@ -1557,7 +1557,7 @@ gdbtypes.o: gdbtypes.c $(bfd_h) $(complaints_h) $(defs_h) $(expression_h) \
 	$(target_h) $(value_h) $(gdb_string_h) $(wrapper_h) $(cp_abi_h)
 
 go32-nat.o: go32-nat.c $(defs_h) $(inferior_h) gdb_wait.h $(gdbcore_h) \
-	$(command_h) $(floatformat_h) $(target_h) i387-nat.h $(regcache_h)
+	$(command_h) $(floatformat_h) $(target_h) i387-tdep.h $(regcache_h)
 
 gnu-nat.o: process_reply_S.h exc_request_S.h notify_S.h msg_reply_S.h \
 	exc_request_U.h msg_U.h gnu-nat.h
@@ -1634,9 +1634,6 @@ i386v4-nat.o: i386v4-nat.c $(defs_h) $(regcache_h)
 i387-tdep.o: i387-tdep.c $(floatformat_h) $(defs_h) $(gdbcore_h) \
 	$(inferior_h) $(language_h) $(regcache_h) $(doublest_h) i386-tdep.h
 
-i387-nat.o: i387-nat.c $(defs_h) $(inferior_h) $(value_h) $(regcache_h) \
-	i387-nat.h
-
 i960-tdep.o: i960-tdep.c $(floatformat_h) $(defs_h) $(expression_h) \
 	$(frame_h) $(gdbtypes_h) $(symtab_h) $(value_h) $(gdbcore_h) \
 	$(regcache_h)
@@ -2162,7 +2159,7 @@ x86-64-tdep.o : x86-64-tdep.c $(defs_h) $(inferior_h) $(gdbcore_h) $(gdbcmd_h) \
 	$(dwarf2cfi_h) gdb_assert.h
 
 x86-64-linux-nat.o : x86-64-linux-nat.c $(defs_h) $(inferior_h) \
-	$(gdbcore_h) $(regcache_h) i387-nat.h gdb_assert.h x86-64-tdep.h \
+	$(gdbcore_h) $(regcache_h) i387-tdep.h gdb_assert.h x86-64-tdep.h \
 	i386-tdep.h
 
 win32-nat.o: win32-nat.c $(gdbcmd_h) $(gdbcore_h) $(inferior_h) $(defs_h) \
diff --git a/gdb/config/i386/fbsd.mh b/gdb/config/i386/fbsd.mh
index 4509b9c283d..08d9e7db0c8 100644
--- a/gdb/config/i386/fbsd.mh
+++ b/gdb/config/i386/fbsd.mh
@@ -4,4 +4,4 @@ XM_FILE= xm-i386.h
 
 NAT_FILE= nm-fbsd.h
 # NOTE: Do not spread NATDEPFILES over several lines - it hurts BSD make.
-NATDEPFILES= fork-child.o infptrace.o inftarg.o solib.o solib-svr4.o solib-legacy.o corelow.o core-aout.o core-regset.o i386-nat.o i387-nat.o i386bsd-nat.o i386fbsd-nat.o gcore.o fbsd-proc.o
+NATDEPFILES= fork-child.o infptrace.o inftarg.o solib.o solib-svr4.o solib-legacy.o corelow.o core-aout.o core-regset.o i386-nat.o i386bsd-nat.o i386fbsd-nat.o gcore.o fbsd-proc.o
diff --git a/gdb/config/i386/go32.mh b/gdb/config/i386/go32.mh
index 3d3bdfd7511..94a7a9df24c 100644
--- a/gdb/config/i386/go32.mh
+++ b/gdb/config/i386/go32.mh
@@ -7,7 +7,7 @@ MMALLOC_CFLAGS=
 XM_FILE= xm-go32.h
 
 NAT_FILE= nm-go32.h
-NATDEPFILES= go32-nat.o i386-nat.o i387-nat.o
+NATDEPFILES= go32-nat.o i386-nat.o
 
 TERMCAP=
 HOST_IPC=
diff --git a/gdb/config/i386/i386gnu.mh b/gdb/config/i386/i386gnu.mh
index 13feba51fcc..da444a587b6 100644
--- a/gdb/config/i386/i386gnu.mh
+++ b/gdb/config/i386/i386gnu.mh
@@ -1,5 +1,5 @@
 # Host: Intel 386 running the GNU Hurd
-NATDEPFILES= i386gnu-nat.o i387-nat.o gnu-nat.o corelow.o core-regset.o \
+NATDEPFILES= i386gnu-nat.o gnu-nat.o corelow.o core-regset.o \
 	     fork-child.o solib.o solib-svr4.o solib-legacy.o \
 	     notify_S.o process_reply_S.o msg_reply_S.o \
 	     msg_U.o exc_request_U.o exc_request_S.o
diff --git a/gdb/config/i386/i386sol2.mh b/gdb/config/i386/i386sol2.mh
index ab7f474b178..ec93f4a75b9 100644
--- a/gdb/config/i386/i386sol2.mh
+++ b/gdb/config/i386/i386sol2.mh
@@ -4,5 +4,5 @@ XM_FILE= xm-i386v4.h
 XM_CLIBS= -lsocket -lnsl
 
 NAT_FILE= nm-i386sol2.h
-NATDEPFILES= core-regset.o fork-child.o i386v4-nat.o i387-nat.o corelow.o \
+NATDEPFILES= core-regset.o fork-child.o i386v4-nat.o corelow.o \
 	procfs.o proc-api.o proc-events.o proc-flags.o proc-why.o gcore.o
diff --git a/gdb/config/i386/i386v42mp.mh b/gdb/config/i386/i386v42mp.mh
index 6479be3290f..4aac5d97b84 100644
--- a/gdb/config/i386/i386v42mp.mh
+++ b/gdb/config/i386/i386v42mp.mh
@@ -14,7 +14,7 @@ NAT_FILE= nm-i386v42mp.h
 # continuation character (backslash) to extend a commented line.  As a
 # consequence, make considers subsequent tab-indented lines to be
 # some sort of error.
-NATDEPFILES= corelow.o core-regset.o fork-child.o i386v4-nat.o i387-nat.o \
+NATDEPFILES= corelow.o core-regset.o fork-child.o i386v4-nat.o \
 	gcore.o solib.o solib-svr4.o solib-legacy.o procfs.o proc-api.o \
 	proc-events.o proc-flags.o proc-why.o uw-thread.o
 
diff --git a/gdb/config/i386/linux.mh b/gdb/config/i386/linux.mh
index cc645e95bb2..494ccf1a4a4 100644
--- a/gdb/config/i386/linux.mh
+++ b/gdb/config/i386/linux.mh
@@ -4,7 +4,7 @@ XM_FILE= xm-i386.h
 
 NAT_FILE= nm-linux.h
 NATDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o linux-proc.o \
-	core-aout.o i386-nat.o i386-linux-nat.o i387-nat.o \
+	core-aout.o i386-nat.o i386-linux-nat.o \
 	proc-service.o thread-db.o lin-lwp.o linux-proc.o gcore.o
 
 # The dynamically loaded libthread_db needs access to symbols in the
diff --git a/gdb/config/i386/nbsd.mh b/gdb/config/i386/nbsd.mh
index 66f4561b437..fdab53cd739 100644
--- a/gdb/config/i386/nbsd.mh
+++ b/gdb/config/i386/nbsd.mh
@@ -6,7 +6,7 @@
 # continuation character (backslash) to extend a commented line.  As a
 # consequence, BSD make considers subsequent tab-indented lines to be
 # "unassociated shell commands".
-NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o i387-nat.o i386bsd-nat.o i386nbsd-nat.o solib.o solib-sunos.o
+NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o i386bsd-nat.o i386nbsd-nat.o solib.o solib-sunos.o
 
 XM_FILE= xm-nbsd.h
 NAT_FILE= nm-nbsd.h
diff --git a/gdb/config/i386/nbsdelf.mh b/gdb/config/i386/nbsdelf.mh
index f25a4069ae6..0dda7d65b54 100644
--- a/gdb/config/i386/nbsdelf.mh
+++ b/gdb/config/i386/nbsdelf.mh
@@ -1,4 +1,4 @@
 # Host: Intel 386 running NetBSD
-NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o i387-nat.o i386bsd-nat.o i386nbsd-nat.o solib.o solib-svr4.o solib-legacy.o
+NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o i386bsd-nat.o i386nbsd-nat.o solib.o solib-svr4.o solib-legacy.o
 XM_FILE= xm-nbsd.h
 NAT_FILE= nm-nbsdelf.h
diff --git a/gdb/config/i386/obsd.mh b/gdb/config/i386/obsd.mh
index 2bfd732b608..d9593ceb846 100644
--- a/gdb/config/i386/obsd.mh
+++ b/gdb/config/i386/obsd.mh
@@ -4,4 +4,4 @@ XM_FILE= xm-i386.h
 
 NAT_FILE= nm-obsd.h
 # NOTE: Do not spread NATDEPFILES over several lines - it hurts BSD make.
-NATDEPFILES= fork-child.o infptrace.o inftarg.o solib.o solib-sunos.o corelow.o core-aout.o i386-nat.o i387-nat.o i386bsd-nat.o
+NATDEPFILES= fork-child.o infptrace.o inftarg.o solib.o solib-sunos.o corelow.o core-aout.o i386-nat.o i386bsd-nat.o
diff --git a/gdb/config/i386/x86-64linux.mh b/gdb/config/i386/x86-64linux.mh
index a0a192c2bd6..bc79f3f235c 100644
--- a/gdb/config/i386/x86-64linux.mh
+++ b/gdb/config/i386/x86-64linux.mh
@@ -5,7 +5,7 @@ XM_FILE= xm-i386.h
 NAT_FILE= nm-x86-64.h
 NATDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o \
 	core-aout.o i386-nat.o x86-64-linux-nat.o \
-	i387-nat.o proc-service.o thread-db.o lin-lwp.o \
+	proc-service.o thread-db.o lin-lwp.o \
 	linux-proc.o gcore.o 
 
 LOADLIBES = -ldl -rdynamic
diff --git a/gdb/go32-nat.c b/gdb/go32-nat.c
index 7b64b17406e..a16b1b37295 100644
--- a/gdb/go32-nat.c
+++ b/gdb/go32-nat.c
@@ -29,7 +29,7 @@
 #include "gdbcmd.h"
 #include "floatformat.h"
 #include "buildsym.h"
-#include "i387-nat.h"
+#include "i387-tdep.h"
 #include "i386-tdep.h"
 #include "value.h"
 #include "regcache.h"
diff --git a/gdb/i386-linux-nat.c b/gdb/i386-linux-nat.c
index a0d19e73438..e20e894113e 100644
--- a/gdb/i386-linux-nat.c
+++ b/gdb/i386-linux-nat.c
@@ -57,7 +57,7 @@
 #include "gregset.h"
 
 /* Prototypes for i387_supply_fsave etc.  */
-#include "i387-nat.h"
+#include "i387-tdep.h"
 
 /* Defines for XMM0_REGNUM etc. */
 #include "i386-tdep.h"
diff --git a/gdb/i386bsd-nat.c b/gdb/i386bsd-nat.c
index 5d3583041b6..ad5a3013f34 100644
--- a/gdb/i386bsd-nat.c
+++ b/gdb/i386bsd-nat.c
@@ -148,7 +148,7 @@ fill_gregset (gregset_t *gregsetp, int regno)
       regcache_collect (i, REG_ADDR (gregsetp, i));
 }
 
-#include "i387-nat.h"
+#include "i387-tdep.h"
 
 /* Fill GDB's register array with the floating-point register values
    in *FPREGSETP.  */
diff --git a/gdb/i386gnu-nat.c b/gdb/i386gnu-nat.c
index e82fe0d9786..329ef2fd17a 100644
--- a/gdb/i386gnu-nat.c
+++ b/gdb/i386gnu-nat.c
@@ -36,7 +36,7 @@
 #include "i386-tdep.h"
 
 #include "gnu-nat.h"
-#include "i387-nat.h"
+#include "i387-tdep.h"
 
 #ifdef HAVE_SYS_PROCFS_H
 # include <sys/procfs.h>
diff --git a/gdb/i386nbsd-nat.c b/gdb/i386nbsd-nat.c
index 32a3d7803fe..f8934cc24a7 100644
--- a/gdb/i386nbsd-nat.c
+++ b/gdb/i386nbsd-nat.c
@@ -39,7 +39,7 @@ typedef struct fpreg fpregset_t;
 #include "gregset.h"
 
 /* Prototypes for i387_supply_fsave etc.  */
-#include "i387-nat.h"  
+#include "i387-tdep.h"  
 
 struct md_core
 {
diff --git a/gdb/i386v4-nat.c b/gdb/i386v4-nat.c
index 33dbde89ac6..c67f1fb2f44 100644
--- a/gdb/i386v4-nat.c
+++ b/gdb/i386v4-nat.c
@@ -27,7 +27,7 @@
 #ifdef HAVE_SYS_REG_H
 #include <sys/reg.h>
 #endif
-#include "i387-nat.h"
+#include "i387-tdep.h"
 
 
 #ifdef HAVE_SYS_PROCFS_H
diff --git a/gdb/i387-nat.c b/gdb/i387-nat.c
deleted file mode 100644
index 7cb42baa99b..00000000000
--- a/gdb/i387-nat.c
+++ /dev/null
@@ -1,335 +0,0 @@
-/* Native-dependent code for the i387.
-   Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
-
-   This file is part of GDB.
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
-   (at your option) any later version.
-
-   This program 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 General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#include "defs.h"
-#include "inferior.h"
-#include "value.h"
-#include "regcache.h"
-
-#include "i387-nat.h"
-#include "i386-tdep.h"
-
-/* FIXME: kettenis/2000-05-21: Right now more than a few i386 targets
-   define their own routines to manage the floating-point registers in
-   GDB's register array.  Most (if not all) of these targets use the
-   format used by the "fsave" instruction in their communication with
-   the OS.  They should all be converted to use the routines below.  */
-
-/* At fsave_offset[REGNUM] you'll find the offset to the location in
-   the data structure used by the "fsave" instruction where GDB
-   register REGNUM is stored.  */
-
-static int fsave_offset[] =
-{
-  28 + 0 * FPU_REG_RAW_SIZE,	/* FP0_REGNUM through ...  */
-  28 + 1 * FPU_REG_RAW_SIZE,  
-  28 + 2 * FPU_REG_RAW_SIZE,  
-  28 + 3 * FPU_REG_RAW_SIZE,  
-  28 + 4 * FPU_REG_RAW_SIZE,  
-  28 + 5 * FPU_REG_RAW_SIZE,  
-  28 + 6 * FPU_REG_RAW_SIZE,  
-  28 + 7 * FPU_REG_RAW_SIZE,	/* ... FP7_REGNUM.  */
-  0,				/* FCTRL_REGNUM (16 bits).  */
-  4,				/* FSTAT_REGNUM (16 bits).  */
-  8,				/* FTAG_REGNUM (16 bits).  */
-  16,				/* FISEG_REGNUM (16 bits).  */
-  12,				/* FIOFF_REGNUM.  */
-  24,				/* FOSEG_REGNUM.  */
-  20,				/* FOOFF_REGNUM.  */
-  18				/* FOP_REGNUM (bottom 11 bits).  */
-};
-
-#define FSAVE_ADDR(fsave, regnum) (fsave + fsave_offset[regnum - FP0_REGNUM])
-
-
-/* Fill register REGNUM in GDB's register array with the appropriate
-   value from *FSAVE.  This function masks off any of the reserved
-   bits in *FSAVE.  */
-
-void
-i387_supply_register (int regnum, char *fsave)
-{
-  /* Most of the FPU control registers occupy only 16 bits in
-     the fsave area.  Give those a special treatment.  */
-  if (regnum >= FPC_REGNUM
-      && regnum != FIOFF_REGNUM && regnum != FOOFF_REGNUM)
-    {
-      unsigned char val[4];
-
-      memcpy (val, FSAVE_ADDR (fsave, regnum), 2);
-      val[2] = val[3] = 0;
-      if (regnum == FOP_REGNUM)
-	val[1] &= ((1 << 3) - 1);
-      supply_register (regnum, val);
-    }
-  else
-    supply_register (regnum, FSAVE_ADDR (fsave, regnum));
-}
-
-/* Fill GDB's register array with the floating-point register values
-   in *FSAVE.  This function masks off any of the reserved
-   bits in *FSAVE.  */
-
-void
-i387_supply_fsave (char *fsave)
-{
-  int i;
-
-  for (i = FP0_REGNUM; i < XMM0_REGNUM; i++)
-    i387_supply_register (i, fsave);
-}
-
-/* Fill register REGNUM (if it is a floating-point register) in *FSAVE
-   with the value in GDB's register array.  If REGNUM is -1, do this
-   for all registers.  This function doesn't touch any of the reserved
-   bits in *FSAVE.  */
-
-void
-i387_fill_fsave (char *fsave, int regnum)
-{
-  int i;
-
-  for (i = FP0_REGNUM; i < XMM0_REGNUM; i++)
-    if (regnum == -1 || regnum == i)
-      {
-	/* Most of the FPU control registers occupy only 16 bits in
-           the fsave area.  Give those a special treatment.  */
-	if (i >= FPC_REGNUM
-	    && i != FIOFF_REGNUM && i != FOOFF_REGNUM)
-	  {
-	    unsigned char buf[4];
-
-	    regcache_collect (i, buf);
-
-	    if (i == FOP_REGNUM)
-	      {
-		/* The opcode occupies only 11 bits.  Make sure we
-                   don't touch the other bits.  */
-		buf[1] &= ((1 << 3) - 1);
-		buf[1] |= ((FSAVE_ADDR (fsave, i))[1] & ~((1 << 3) - 1));
-	      }
-	    memcpy (FSAVE_ADDR (fsave, i), buf, 2);
-	  }
-	else
-	  regcache_collect (i, FSAVE_ADDR (fsave, i));
-      }
-}
-
-
-/* At fxsave_offset[REGNUM] you'll find the offset to the location in
-   the data structure used by the "fxsave" instruction where GDB
-   register REGNUM is stored.  */
-
-static int fxsave_offset[] =
-{
-  32,				/* FP0_REGNUM through ...  */
-  48,
-  64,
-  80,
-  96,
-  112,
-  128,
-  144,				/* ... FP7_REGNUM (80 bits each).  */
-  0,				/* FCTRL_REGNUM (16 bits).  */
-  2,				/* FSTAT_REGNUM (16 bits).  */
-  4,				/* FTAG_REGNUM (16 bits).  */
-  12,				/* FISEG_REGNUM (16 bits).  */
-  8,				/* FIOFF_REGNUM.  */
-  20,				/* FOSEG_REGNUM (16 bits).  */
-  16,				/* FOOFF_REGNUM.  */
-  6,				/* FOP_REGNUM (bottom 11 bits).  */
-  160,				/* XMM0_REGNUM through ...  */
-  176,
-  192,
-  208,
-  224,
-  240,
-  256,
-  272,				/* ... XMM7_REGNUM (128 bits each).  */
-  24,				/* MXCSR_REGNUM.  */
-};
-
-#define FXSAVE_ADDR(fxsave, regnum) \
-  (fxsave + fxsave_offset[regnum - FP0_REGNUM])
-
-static int i387_tag (unsigned char *raw);
-
-
-/* Fill GDB's register array with the floating-point and SSE register
-   values in *FXSAVE.  This function masks off any of the reserved
-   bits in *FXSAVE.  */
-
-void
-i387_supply_fxsave (char *fxsave)
-{
-  int i;
-
-  for (i = FP0_REGNUM; i <= MXCSR_REGNUM; i++)
-    {
-      /* Most of the FPU control registers occupy only 16 bits in
-	 the fxsave area.  Give those a special treatment.  */
-      if (i >= FPC_REGNUM && i < XMM0_REGNUM
-	  && i != FIOFF_REGNUM && i != FOOFF_REGNUM)
-	{
-	  unsigned char val[4];
-
-	  memcpy (val, FXSAVE_ADDR (fxsave, i), 2);
-	  val[2] = val[3] = 0;
-	  if (i == FOP_REGNUM)
-	    val[1] &= ((1 << 3) - 1);
-	  else if (i== FTAG_REGNUM)
-	    {
-	      /* The fxsave area contains a simplified version of the
-                 tag word.  We have to look at the actual 80-bit FP
-                 data to recreate the traditional i387 tag word.  */
-
-	      unsigned long ftag = 0;
-	      int fpreg;
-	      int top;
-
-	      top = (((FXSAVE_ADDR (fxsave, FSTAT_REGNUM))[1] >> 3) & 0x7);
-
-	      for (fpreg = 7; fpreg >= 0; fpreg--)
-		{
-		  int tag;
-
-		  if (val[0] & (1 << fpreg))
-		    {
-		      int regnum = (fpreg + 8 - top) % 8 + FP0_REGNUM;
-		      tag = i387_tag (FXSAVE_ADDR (fxsave, regnum));
-		    }
-		  else
-		    tag = 3;		/* Empty */
-
-		  ftag |= tag << (2 * fpreg);
-		}
-	      val[0] = ftag & 0xff;
-	      val[1] = (ftag >> 8) & 0xff;
-	    }
-	  supply_register (i, val);
-	}
-      else
-	supply_register (i, FXSAVE_ADDR (fxsave, i));
-    }
-}
-
-/* Fill register REGNUM (if it is a floating-point or SSE register) in
-   *FXSAVE with the value in GDB's register array.  If REGNUM is -1, do
-   this for all registers.  This function doesn't touch any of the
-   reserved bits in *FXSAVE.  */
-
-void
-i387_fill_fxsave (char *fxsave, int regnum)
-{
-  int i;
-
-  for (i = FP0_REGNUM; i <= MXCSR_REGNUM; i++)
-    if (regnum == -1 || regnum == i)
-      {
-	/* Most of the FPU control registers occupy only 16 bits in
-           the fxsave area.  Give those a special treatment.  */
-	if (i >= FPC_REGNUM && i < XMM0_REGNUM
-	    && i != FIOFF_REGNUM && i != FDOFF_REGNUM)
-	  {
-	    unsigned char buf[4];
-
-	    regcache_collect (i, buf);
-
-	    if (i == FOP_REGNUM)
-	      {
-		/* The opcode occupies only 11 bits.  Make sure we
-                   don't touch the other bits.  */
-		buf[1] &= ((1 << 3) - 1);
-		buf[1] |= ((FXSAVE_ADDR (fxsave, i))[1] & ~((1 << 3) - 1));
-	      }
-	    else if (i == FTAG_REGNUM)
-	      {
-		/* Converting back is much easier.  */
-
-		unsigned short ftag;
-		int fpreg;
-
-		ftag = (buf[1] << 8) | buf[0];
-		buf[0] = 0;
-		buf[1] = 0;
-
-		for (fpreg = 7; fpreg >= 0; fpreg--)
-		  {
-		    int tag = (ftag >> (fpreg * 2)) & 3;
-
-		    if (tag != 3)
-		      buf[0] |= (1 << fpreg);
-		  }
-	      }
-	    memcpy (FXSAVE_ADDR (fxsave, i), buf, 2);
-	  }
-	else
-	  regcache_collect (i, FXSAVE_ADDR (fxsave, i));
-      }
-}
-
-/* Recreate the FTW (tag word) valid bits from the 80-bit FP data in
-   *RAW.  */
-
-static int
-i387_tag (unsigned char *raw)
-{
-  int integer;
-  unsigned int exponent;
-  unsigned long fraction[2];
-
-  integer = raw[7] & 0x80;
-  exponent = (((raw[9] & 0x7f) << 8) | raw[8]);
-  fraction[0] = ((raw[3] << 24) | (raw[2] << 16) | (raw[1] << 8) | raw[0]);
-  fraction[1] = (((raw[7] & 0x7f) << 24) | (raw[6] << 16)
-		 | (raw[5] << 8) | raw[4]);
-
-  if (exponent == 0x7fff)
-    {
-      /* Special.  */
-      return (2);
-    }
-  else if (exponent == 0x0000)
-    {
-      if (fraction[0] == 0x0000 && fraction[1] == 0x0000 && !integer)
-	{
-	  /* Zero.  */
-	  return (1);
-	}
-      else
-	{
-	  /* Special.  */
-	  return (2);
-	}
-    }
-  else
-    {
-      if (integer)
-	{
-	  /* Valid.  */
-	  return (0);
-	}
-      else
-	{
-	  /* Special.  */
-	  return (2);
-	}
-    }
-}
diff --git a/gdb/i387-tdep.c b/gdb/i387-tdep.c
index 2a6f77ce42d..000264f8a75 100644
--- a/gdb/i387-tdep.c
+++ b/gdb/i387-tdep.c
@@ -388,3 +388,311 @@ i387_float_info (void)
   printf_filtered ("Opcode:              %s\n",
 		   local_hex_string_custom (fop ? (fop | 0xd800) : 0, "04"));
 }
+
+/* FIXME: kettenis/2000-05-21: Right now more than a few i386 targets
+   define their own routines to manage the floating-point registers in
+   GDB's register array.  Most (if not all) of these targets use the
+   format used by the "fsave" instruction in their communication with
+   the OS.  They should all be converted to use the routines below.  */
+
+/* At fsave_offset[REGNUM] you'll find the offset to the location in
+   the data structure used by the "fsave" instruction where GDB
+   register REGNUM is stored.  */
+
+static int fsave_offset[] =
+{
+  28 + 0 * FPU_REG_RAW_SIZE,	/* FP0_REGNUM through ...  */
+  28 + 1 * FPU_REG_RAW_SIZE,  
+  28 + 2 * FPU_REG_RAW_SIZE,  
+  28 + 3 * FPU_REG_RAW_SIZE,  
+  28 + 4 * FPU_REG_RAW_SIZE,  
+  28 + 5 * FPU_REG_RAW_SIZE,  
+  28 + 6 * FPU_REG_RAW_SIZE,  
+  28 + 7 * FPU_REG_RAW_SIZE,	/* ... FP7_REGNUM.  */
+  0,				/* FCTRL_REGNUM (16 bits).  */
+  4,				/* FSTAT_REGNUM (16 bits).  */
+  8,				/* FTAG_REGNUM (16 bits).  */
+  16,				/* FISEG_REGNUM (16 bits).  */
+  12,				/* FIOFF_REGNUM.  */
+  24,				/* FOSEG_REGNUM.  */
+  20,				/* FOOFF_REGNUM.  */
+  18				/* FOP_REGNUM (bottom 11 bits).  */
+};
+
+#define FSAVE_ADDR(fsave, regnum) (fsave + fsave_offset[regnum - FP0_REGNUM])
+
+
+/* Fill register REGNUM in GDB's register array with the appropriate
+   value from *FSAVE.  This function masks off any of the reserved
+   bits in *FSAVE.  */
+
+void
+i387_supply_register (int regnum, char *fsave)
+{
+  /* Most of the FPU control registers occupy only 16 bits in
+     the fsave area.  Give those a special treatment.  */
+  if (regnum >= FPC_REGNUM
+      && regnum != FIOFF_REGNUM && regnum != FOOFF_REGNUM)
+    {
+      unsigned char val[4];
+
+      memcpy (val, FSAVE_ADDR (fsave, regnum), 2);
+      val[2] = val[3] = 0;
+      if (regnum == FOP_REGNUM)
+	val[1] &= ((1 << 3) - 1);
+      supply_register (regnum, val);
+    }
+  else
+    supply_register (regnum, FSAVE_ADDR (fsave, regnum));
+}
+
+/* Fill GDB's register array with the floating-point register values
+   in *FSAVE.  This function masks off any of the reserved
+   bits in *FSAVE.  */
+
+void
+i387_supply_fsave (char *fsave)
+{
+  int i;
+
+  for (i = FP0_REGNUM; i < XMM0_REGNUM; i++)
+    i387_supply_register (i, fsave);
+}
+
+/* Fill register REGNUM (if it is a floating-point register) in *FSAVE
+   with the value in GDB's register array.  If REGNUM is -1, do this
+   for all registers.  This function doesn't touch any of the reserved
+   bits in *FSAVE.  */
+
+void
+i387_fill_fsave (char *fsave, int regnum)
+{
+  int i;
+
+  for (i = FP0_REGNUM; i < XMM0_REGNUM; i++)
+    if (regnum == -1 || regnum == i)
+      {
+	/* Most of the FPU control registers occupy only 16 bits in
+           the fsave area.  Give those a special treatment.  */
+	if (i >= FPC_REGNUM
+	    && i != FIOFF_REGNUM && i != FOOFF_REGNUM)
+	  {
+	    unsigned char buf[4];
+
+	    regcache_collect (i, buf);
+
+	    if (i == FOP_REGNUM)
+	      {
+		/* The opcode occupies only 11 bits.  Make sure we
+                   don't touch the other bits.  */
+		buf[1] &= ((1 << 3) - 1);
+		buf[1] |= ((FSAVE_ADDR (fsave, i))[1] & ~((1 << 3) - 1));
+	      }
+	    memcpy (FSAVE_ADDR (fsave, i), buf, 2);
+	  }
+	else
+	  regcache_collect (i, FSAVE_ADDR (fsave, i));
+      }
+}
+
+
+/* At fxsave_offset[REGNUM] you'll find the offset to the location in
+   the data structure used by the "fxsave" instruction where GDB
+   register REGNUM is stored.  */
+
+static int fxsave_offset[] =
+{
+  32,				/* FP0_REGNUM through ...  */
+  48,
+  64,
+  80,
+  96,
+  112,
+  128,
+  144,				/* ... FP7_REGNUM (80 bits each).  */
+  0,				/* FCTRL_REGNUM (16 bits).  */
+  2,				/* FSTAT_REGNUM (16 bits).  */
+  4,				/* FTAG_REGNUM (16 bits).  */
+  12,				/* FISEG_REGNUM (16 bits).  */
+  8,				/* FIOFF_REGNUM.  */
+  20,				/* FOSEG_REGNUM (16 bits).  */
+  16,				/* FOOFF_REGNUM.  */
+  6,				/* FOP_REGNUM (bottom 11 bits).  */
+  160,				/* XMM0_REGNUM through ...  */
+  176,
+  192,
+  208,
+  224,
+  240,
+  256,
+  272,				/* ... XMM7_REGNUM (128 bits each).  */
+  24,				/* MXCSR_REGNUM.  */
+};
+
+#define FXSAVE_ADDR(fxsave, regnum) \
+  (fxsave + fxsave_offset[regnum - FP0_REGNUM])
+
+static int i387_tag (unsigned char *raw);
+
+
+/* Fill GDB's register array with the floating-point and SSE register
+   values in *FXSAVE.  This function masks off any of the reserved
+   bits in *FXSAVE.  */
+
+void
+i387_supply_fxsave (char *fxsave)
+{
+  int i;
+
+  for (i = FP0_REGNUM; i <= MXCSR_REGNUM; i++)
+    {
+      /* Most of the FPU control registers occupy only 16 bits in
+	 the fxsave area.  Give those a special treatment.  */
+      if (i >= FPC_REGNUM && i < XMM0_REGNUM
+	  && i != FIOFF_REGNUM && i != FOOFF_REGNUM)
+	{
+	  unsigned char val[4];
+
+	  memcpy (val, FXSAVE_ADDR (fxsave, i), 2);
+	  val[2] = val[3] = 0;
+	  if (i == FOP_REGNUM)
+	    val[1] &= ((1 << 3) - 1);
+	  else if (i== FTAG_REGNUM)
+	    {
+	      /* The fxsave area contains a simplified version of the
+                 tag word.  We have to look at the actual 80-bit FP
+                 data to recreate the traditional i387 tag word.  */
+
+	      unsigned long ftag = 0;
+	      int fpreg;
+	      int top;
+
+	      top = (((FXSAVE_ADDR (fxsave, FSTAT_REGNUM))[1] >> 3) & 0x7);
+
+	      for (fpreg = 7; fpreg >= 0; fpreg--)
+		{
+		  int tag;
+
+		  if (val[0] & (1 << fpreg))
+		    {
+		      int regnum = (fpreg + 8 - top) % 8 + FP0_REGNUM;
+		      tag = i387_tag (FXSAVE_ADDR (fxsave, regnum));
+		    }
+		  else
+		    tag = 3;		/* Empty */
+
+		  ftag |= tag << (2 * fpreg);
+		}
+	      val[0] = ftag & 0xff;
+	      val[1] = (ftag >> 8) & 0xff;
+	    }
+	  supply_register (i, val);
+	}
+      else
+	supply_register (i, FXSAVE_ADDR (fxsave, i));
+    }
+}
+
+/* Fill register REGNUM (if it is a floating-point or SSE register) in
+   *FXSAVE with the value in GDB's register array.  If REGNUM is -1, do
+   this for all registers.  This function doesn't touch any of the
+   reserved bits in *FXSAVE.  */
+
+void
+i387_fill_fxsave (char *fxsave, int regnum)
+{
+  int i;
+
+  for (i = FP0_REGNUM; i <= MXCSR_REGNUM; i++)
+    if (regnum == -1 || regnum == i)
+      {
+	/* Most of the FPU control registers occupy only 16 bits in
+           the fxsave area.  Give those a special treatment.  */
+	if (i >= FPC_REGNUM && i < XMM0_REGNUM
+	    && i != FIOFF_REGNUM && i != FDOFF_REGNUM)
+	  {
+	    unsigned char buf[4];
+
+	    regcache_collect (i, buf);
+
+	    if (i == FOP_REGNUM)
+	      {
+		/* The opcode occupies only 11 bits.  Make sure we
+                   don't touch the other bits.  */
+		buf[1] &= ((1 << 3) - 1);
+		buf[1] |= ((FXSAVE_ADDR (fxsave, i))[1] & ~((1 << 3) - 1));
+	      }
+	    else if (i == FTAG_REGNUM)
+	      {
+		/* Converting back is much easier.  */
+
+		unsigned short ftag;
+		int fpreg;
+
+		ftag = (buf[1] << 8) | buf[0];
+		buf[0] = 0;
+		buf[1] = 0;
+
+		for (fpreg = 7; fpreg >= 0; fpreg--)
+		  {
+		    int tag = (ftag >> (fpreg * 2)) & 3;
+
+		    if (tag != 3)
+		      buf[0] |= (1 << fpreg);
+		  }
+	      }
+	    memcpy (FXSAVE_ADDR (fxsave, i), buf, 2);
+	  }
+	else
+	  regcache_collect (i, FXSAVE_ADDR (fxsave, i));
+      }
+}
+
+/* Recreate the FTW (tag word) valid bits from the 80-bit FP data in
+   *RAW.  */
+
+static int
+i387_tag (unsigned char *raw)
+{
+  int integer;
+  unsigned int exponent;
+  unsigned long fraction[2];
+
+  integer = raw[7] & 0x80;
+  exponent = (((raw[9] & 0x7f) << 8) | raw[8]);
+  fraction[0] = ((raw[3] << 24) | (raw[2] << 16) | (raw[1] << 8) | raw[0]);
+  fraction[1] = (((raw[7] & 0x7f) << 24) | (raw[6] << 16)
+		 | (raw[5] << 8) | raw[4]);
+
+  if (exponent == 0x7fff)
+    {
+      /* Special.  */
+      return (2);
+    }
+  else if (exponent == 0x0000)
+    {
+      if (fraction[0] == 0x0000 && fraction[1] == 0x0000 && !integer)
+	{
+	  /* Zero.  */
+	  return (1);
+	}
+      else
+	{
+	  /* Special.  */
+	  return (2);
+	}
+    }
+  else
+    {
+      if (integer)
+	{
+	  /* Valid.  */
+	  return (0);
+	}
+      else
+	{
+	  /* Special.  */
+	  return (2);
+	}
+    }
+}
diff --git a/gdb/i387-nat.h b/gdb/i387-tdep.h
index 1637e9b8ec4..5bfd06eb710 100644
--- a/gdb/i387-nat.h
+++ b/gdb/i387-tdep.h
@@ -1,4 +1,4 @@
-/* Native-dependent code for the i387.
+/* Target-dependent code for the i387.
    Copyright 2000, 2001 Free Software Foundation, Inc.
 
    This file is part of GDB.
@@ -18,8 +18,8 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#ifndef I387_NAT_H
-#define I387_NAT_H
+#ifndef I387_TDEP_H
+#define I387_TDEP_H
 
 /* Fill register REGNUM in GDB's register array with the appropriate
    value from *FSAVE.  This function masks off any of the reserved
@@ -53,4 +53,4 @@ extern void i387_supply_fxsave (char *fxsave);
 
 extern void i387_fill_fxsave (char *fxsave, int regnum);
 
-#endif /* i387-nat.h */
+#endif /* i387-tdep.h */
diff --git a/gdb/x86-64-linux-nat.c b/gdb/x86-64-linux-nat.c
index 329532712d8..f57a5f27675 100644
--- a/gdb/x86-64-linux-nat.c
+++ b/gdb/x86-64-linux-nat.c
@@ -25,7 +25,7 @@
 #include "inferior.h"
 #include "gdbcore.h"
 #include "regcache.h"
-#include "i387-nat.h"
+#include "i387-tdep.h"
 #include "gdb_assert.h"
 #include "x86-64-tdep.h"