Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!iuvax!cica!tut.cis.ohio-state.edu!GIBBS.PHYSICS.PURDUE.EDU!ray
From: ray@GIBBS.PHYSICS.PURDUE.EDU (Ray Moody)
Newsgroups: gnu.emacs.bug
Subject: crt0.c and gcc and ISI68K
Message-ID: <8907110340.AA16021@gibbs.physics.purdue.edu>
Date: 11 Jul 89 03:40:35 GMT
Sender: daemon@tut.cis.ohio-state.edu
Distribution: gnu
Organization: GNUs Not Usenet
Lines: 109


    Here are some patches to crt0.c so that emacs can be compiled on
an ISI68K with gcc.  Some asm() instructions made some improper
assumptions about the compiler and the assember.  I have rewritten the
ISI68K part in a more portable manner.

								Ray
-------------------------------------------------------------------------------
RCS file: /usr/src/new/gnu/emacs/src/RCS/crt0.c,v
retrieving revision 18.54
diff -c -r18.54 /usr/src/new/gnu/emacs/src/crt0.c
*** /tmp/,RCSt1015997	Mon Jul 10 22:39:13 1989
--- /usr/src/new/gnu/emacs/src/crt0.c	Sun Jul  2 21:56:32 1989
***************
*** 344,352
    
  #ifdef ISI68K
  /* Added by ESM Sun May 24 12:44:02 1987 to get new ISI library to work */
! #ifdef BSD4_3
! static foo () {
! #endif
  	asm ("	.globl  is68020");
  	asm ("is68020:");
  #ifndef BSD4_3

--- 344,351 -----
    
  #ifdef ISI68K
  /* Added by ESM Sun May 24 12:44:02 1987 to get new ISI library to work */
! /* Edited by Ray Mon May 15 15:59:56 EST 1989 so we can compile with gcc */
! _start () {
  	asm ("	.globl  is68020");
  	asm ("is68020:");
  #ifndef BSD4_3
***************
*** 355,362
  /* End of stuff added by ESM */
  #endif
  	asm ("	.text");
- 	asm ("	.globl	__start");
- 	asm ("__start:");
  	asm ("	.word 0");
  	asm ("	link	fp,#0");
  	asm ("	jbsr	_start1");

--- 354,359 -----
  /* End of stuff added by ESM */
  #endif
  	asm ("	.text");
  	asm ("	.word 0");
  	asm ("	link	a6,#0");
  	asm ("	jbsr	_start1");
***************
*** 358,364
  	asm ("	.globl	__start");
  	asm ("__start:");
  	asm ("	.word 0");
! 	asm ("	link	fp,#0");
  	asm ("	jbsr	_start1");
  	asm ("	unlk	fp");
  	asm ("	rts");

--- 355,361 -----
  #endif
  	asm ("	.text");
  	asm ("	.word 0");
! 	asm ("	link	a6,#0");
  	asm ("	jbsr	_start1");
  	asm ("	unlk	a6");
  	asm ("	rts");
***************
*** 360,366
  	asm ("	.word 0");
  	asm ("	link	fp,#0");
  	asm ("	jbsr	_start1");
! 	asm ("	unlk	fp");
  	asm ("	rts");
  #ifdef BSD4_3
        }

--- 357,363 -----
  	asm ("	.word 0");
  	asm ("	link	a6,#0");
  	asm ("	jbsr	_start1");
! 	asm ("	unlk	a6");
  	asm ("	rts");
  }
  /* End of stuff edited by Ray */
***************
*** 362,370
  	asm ("	jbsr	_start1");
  	asm ("	unlk	fp");
  	asm ("	rts");
! #ifdef BSD4_3
!       }
! #endif
  #else /* not ISI68K */
  
  _start ()

--- 359,366 -----
  	asm ("	jbsr	_start1");
  	asm ("	unlk	a6");
  	asm ("	rts");
! }
! /* End of stuff edited by Ray */
  #else /* not ISI68K */
  
  _start ()