Patches to the m68k ports.

[Kiyo Inaba]

Attached patch is to cleanup some unused or obsolete parts from
m68k ports.

Kiyo
---------------------------------------------------------------
diff -cr kaffe-snap/config/m68k/common.h kaffe-snap-0327/config/m68k/common.h
*** kaffe-snap/config/m68k/common.h	Fri Mar 26 03:06:25 1999
--- kaffe-snap-0327/config/m68k/common.h	Sun Mar 28 14:23:59 1999
***************
*** 2,18 ****
   * m68k/common.h
   * Common M68K configuration information.
   *
!  * Copyright (c) 1996, 1997, 1998
   *	Transvirtual Technologies, Inc.  All rights reserved.
   *
   * See the file "license.terms" for information on usage and redistribution 
   * of this file. 
   *
!  * Written by Kiyo Inaba <inaba at src.ricoh.co.jp>, 1998;
   * Based on the ports
   *      by Remi Perrot <r_perrot at mail.club-internet.fr> to m68k/linux
   * and
   *      by Alexandre Oliva <oliva at dcc.unicamp.br> to sparc
   */
  
  #ifndef __m68k_common_h
--- 2,21 ----
   * m68k/common.h
   * Common M68K configuration information.
   *
!  * Copyright (c) 1996, 1997, 1998, 1999
   *	Transvirtual Technologies, Inc.  All rights reserved.
   *
   * See the file "license.terms" for information on usage and redistribution 
   * of this file. 
   *
!  * Written by Kiyo Inaba <k-inaba at mxb.mesh.ne.jp>, 1998;
   * Based on the ports
   *      by Remi Perrot <r_perrot at mail.club-internet.fr> to m68k/linux
   * and
   *      by Alexandre Oliva <oliva at dcc.unicamp.br> to sparc
+  *
+  * Modified by Kiyo Inaba <k-inaba at mxb.mesh.ne.jp>, 1999 to support
+  *	both linux and netbsd1.
   */
  
  #ifndef __m68k_common_h
***************
*** 23,28 ****
--- 26,41 ----
   */
  #define ALIGNMENT_OF_SIZE(S)    (((S>1)?2:1))
  
+ /*
+  * sysdepCallMethod supports:
+  *
+  *	Calling sequences for linux and netbsd1 are same, except for
+  *	the place of return values. The float/double values are in
+  *	fp0 (linux) or d0/d1 (netbsd1).
+  *
+  *	Still I do not understand 'asm' statement well, and the
+  *	statement below is a 'because it works' version.
+  */
  #if defined(__linux__)
  #ifdef	USE_ASM		/* Old and obsolete... */
  #define	sysdepCallMethod(CALL)					       \
diff -cr kaffe-snap/config/m68k/jit.h kaffe-snap-0327/config/m68k/jit.h
*** kaffe-snap/config/m68k/jit.h	Fri Mar 26 03:06:25 1999
--- kaffe-snap-0327/config/m68k/jit.h	Sun Mar 28 14:26:59 1999
***************
*** 7,22 ****
   *
   * See the file "license.terms" for information on usage and redistribution 
   * of this file. 
   */
  
  #ifndef __m68k_jit_h
  #define __m68k_jit_h
- 
- /*
-  * NOTE: Kiyo Inaba <inaba at snoopy.src.ricoh.co.jp> says that this file is
-  * very specific to m68k/Linux, and moreover, that it's currently broken.
-  * It should not be considered a common file for m68k JITs at this point.
-  */
  
  /**/
  /* Exception handling information. */
--- 7,19 ----
   *
   * See the file "license.terms" for information on usage and redistribution 
   * of this file. 
+  *
+  * Modified by Kiyo Inaba <k-inaba at mxb.mesh.ne.jp>, 1999;
+  *	to support the trampoline mechanism.
   */
  
  #ifndef __m68k_jit_h
  #define __m68k_jit_h
  
  /**/
  /* Exception handling information. */
diff -cr kaffe-snap/config/m68k/linux/jit-md.h kaffe-snap-0327/config/m68k/linux/jit-md.h
*** kaffe-snap/config/m68k/linux/jit-md.h	Fri Mar 26 15:08:51 1999
--- kaffe-snap-0327/config/m68k/linux/jit-md.h	Sun Mar 28 14:30:51 1999
***************
*** 1,49 ****
  /*
-  * m68k/netbsd1/jit-md.h
-  * NetBSD m68k JIT configuration information.
-  *
-  * Copyright (c) 1996, 1997
-  *      Transvirtual Technologies, Inc.  All rights reserved.
-  *
-  * See the file "license.terms" for information on usage and redistribution
-  * of this file.
-  *
-  * Written by Marcello Balduccini <marcy at morgana.usr.dsi.unimi.it>, 1997.
-  * NOTE: this file is heavily based on m68k/a-ux/jit-md.h and
-  * m68k/openbsd2/jit-md.h, written by Richard Henderson <rth at tamu.edu>, 1997.
-  */
- 
- #ifndef __m68k_netbsd_jit_md_h
- #define __m68k_netbsd_jit_md_h
- 
- /**/
- /* Include common information. */
- /**/
- #include "m68k/jit.h"
- 
- /**/
- /* Define where addresses are returned.  */
- /**/
- 
- #define M68K_RETURN_REF		REG_d0	/* d0 */
- 
- /**/
- /* Extra exception handling information. */
- /**/
- #include <signal.h>
- 
- #define	EXCEPTIONPROTO							\
- 	int sig, int code, struct sigcontext *ctx
- 
- /* Get the first exception frame from a signal handler */
- #define	EXCEPTIONFRAME(f, c)						\
- 	do {								\
- 		(f).retfp = (uintp)__builtin_frame_address(1);		\
- 		(f).retpc = (uintp)(c)->sc_pc;				\
- 	} while (0)
- 
- #endif
- /*
   * m68k/linux/jit-md.h
   * Linux m68k JIT configuration information.
   *
--- 1,4 ----
diff -cr kaffe-snap/config/m68k/trampolines.c kaffe-snap-0327/config/m68k/trampolines.c
*** kaffe-snap/config/m68k/trampolines.c	Fri Mar 26 03:06:25 1999
--- kaffe-snap-0327/config/m68k/trampolines.c	Sun Mar 28 14:29:46 1999
***************
*** 8,14 ****
   * See the file "license.terms" for information on usage and redistribution 
   * of this file. 
   *
!  * Written by Kiyo Inaba (inaba at src.ricoh.co.jp) based on i386/trampolines.c
   */
  
  #if defined(TRAMPOLINE_FUNCTION)
--- 8,17 ----
   * See the file "license.terms" for information on usage and redistribution 
   * of this file. 
   *
!  * Written by Kiyo Inaba <k-inaba at mxb.mesh.ne.jp>, 1998;
!  *	based on i386/trampolines.c
!  * Modified by Kiyo Inaba <k-inaba at mxb.mesh.ne.jp>, 1999;
!  *	to use linux's assembler syntax to support both linux/netbsd.
   */
  
  #if defined(TRAMPOLINE_FUNCTION)