[Emacs-diffs] Changes to emacs/src/ecrt0.c,v

[Dan Nicolaescu]

CVSROOT:        /cvsroot/emacs
Module name:    emacs
Changes by:     Dan Nicolaescu <dann>   08/07/17 13:57:13

Index: ecrt0.c
===================================================================
RCS file: /cvsroot/emacs/emacs/src/ecrt0.c,v
retrieving revision 1.16
retrieving revision 1.17
diff -u -b -r1.16 -r1.17
--- ecrt0.c     8 Jul 2008 07:03:07 -0000       1.16
+++ ecrt0.c     17 Jul 2008 13:57:12 -0000      1.17
@@ -39,13 +39,6 @@
         [next arg string]... 0 or more times
 */
 
-/* On the 16000, at least in the one 4.2 system I know about,
-  the initial data format is
-  sp ->  word containing argc
-         word containing argp
-         word pointing to first arg string, and so on as above
-*/
-
 #ifdef emacs
 #include <config.h>
 #endif
@@ -97,31 +90,12 @@
 asm("  start:          ");
 #endif /* NODOT_GLOBAL_START */
 
-#ifdef m68000
-
-/* GCC 2.1, when optimization is turned off, seems to want to push a
-   word of garbage on the stack, which screws up the CRT0_DUMMIES
-   hack.  So we hand-code _start in assembly language.  */
-asm(".text                     ");
-asm("  .even                   ");
-asm(".globl __start            ");
-asm("__start:                  ");
-asm("  link a6,#0              ");
-asm("  jbsr _start1            ");
-asm("  unlk a6                 ");
-asm("  rts                     ");
-
-#else /* not m68000 */
-
 _start ()
 {
 /* On vax, nothing is pushed here  */
-/* On sequent, bogus fp is pushed here  */
   start1 ();
 }
 
-#endif /* possibly m68000 */
-
 static
 start1 (CRT0_DUMMIES argc, xargv)
      int argc;
@@ -140,9 +114,7 @@
 }
 #else /* not CRT0_DUMMIES */
 
-/* "m68k" and "m68000" both stand for m68000 processors,
-   but with different program-entry conventions.
-   This is a kludge.  Now that the CRT0_DUMMIES mechanism above exists,
+/* This is a kludge.  Now that the CRT0_DUMMIES mechanism above exists,
    most of these machines could use the vax code above
    with some suitable definition of CRT0_DUMMIES.
    Then the symbol m68k could be flushed.
@@ -162,29 +134,10 @@
        asm ("  jsr     exit");
        asm ("  mov.l   &1,%d0");       /* d0 = 1 => exit */
        asm ("  trap    &0");
-#else /* m68000, not m68k */
-
-#ifdef m68000
 
-_start ()
-{
-#ifdef sun
-  finitfp_();
-#endif
-/* On 68000, _start pushes a6 onto stack  */
-  start1 ();
-}
-#endif /* m68000 */
-#endif /* m68k */
-
-#if defined(m68k) || defined(m68000)
 /* ignore takes care of skipping the a6 value pushed in start.  */
 static
-#if defined(m68k)
 start1 (argc, xargv)
-#else
-start1 (ignore, argc, xargv)
-#endif
      int argc;
      char *xargv;
 {
@@ -196,7 +149,7 @@
   exit (main (argc, argv, environ));
 }
 
-#endif /* m68k or m68000 */
+#endif /* m68k */
 
 #endif /* not CRT0_DUMMIES */