git://gcc.gnu.org / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| ad8445f4 RK |
1 | /* The start module crt0.s for the SysV68 Motorola 3300 Delta Series. |
| 2 | Copyright (C) 1996 Free Software Foundation, Inc. | |
| 3 | Contributed by Manfred Hollstein (manfred@lts.sel.alcatel.de). | |
| 4 | ||
| 5 | This file is part of GNU CC. | |
| 6 | ||
| 7 | GNU CC is free software; you can redistribute it and/or modify | |
| 8 | it under the terms of the GNU General Public License as published by | |
| 9 | the Free Software Foundation; either version 2, or (at your option) | |
| 10 | any later version. | |
| 11 | ||
| 12 | GNU CC is distributed in the hope that it will be useful, | |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | GNU General Public License for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License | |
| 18 | along with GNU CC; see the file COPYING. If not, write to | |
| 19 | the Free Software Foundation, 59 Temple Place - Suite 330, | |
| 20 | Boston, MA 02111-1307, USA. */ | |
| 21 | ||
| 22 | #ifdef MOTOROLA | |
| 23 | # define COMM comm | |
| 24 | # define DATA data | |
| 25 | # define EVEN even | |
| 26 | # define FILE(n) file n | |
| 27 | # define GLOBAL_SYM(s) global s | |
| 28 | # define LOCAL_LABEL(l) L%##l | |
| 29 | # define SECTION(n) section n | |
| 30 | # define TEXT text | |
| 31 | #else /* Assume we are using GNU as. */ | |
| 32 | # define COMM .comm | |
| 33 | # define DATA .data | |
| 34 | # define EVEN .even | |
| 35 | # define FILE(name) .file name | |
| 36 | # define GLOBAL_SYM(s) .globl s | |
| 37 | # define LOCAL_LABEL(l) .L.##l | |
| 38 | # define SECTION(n) .section n | |
| 39 | # define STRING(s) .asciz s | |
| 40 | # define TEXT .text | |
| 41 | #endif | |
| 42 | ||
| 43 | FILE ("crt0.s") | |
| 44 | TEXT | |
| 45 | GLOBAL_SYM (_start) | |
| 46 | _start: mov.l %d0,splimit% | |
| 47 | subq.w &8,%sp | |
| 48 | mov.l 8(%sp),(%sp) | |
| 49 | lea 12(%sp),%a0 | |
| 50 | mov.l %a0,4(%sp) | |
| 51 | mov.l %a0,%a1 | |
| 52 | LOCAL_LABEL(0): | |
| 53 | tst.l (%a0)+ | |
| 54 | bne.b LOCAL_LABEL(0) | |
| 55 | #ifdef SGS_CMP_ORDER | |
| 56 | cmpa.l %a0,(%a1) | |
| 57 | #else | |
| 58 | cmpa.l (%a1),%a0 | |
| 59 | #endif | |
| 60 | blt.b LOCAL_LABEL(1) | |
| 61 | subq.w &4,%a0 | |
| 62 | LOCAL_LABEL(1): | |
| 63 | mov.l %a0,8(%sp) | |
| 64 | mov.l %a0,environ | |
| 65 | jsr initfpu | |
| 66 | ||
| 67 | subq.w &8,%sp | |
| 68 | clr.l %d0 /* if (! isatty (fileno (stderr))) */ | |
| 69 | mov.b _iob+27,%d0 | |
| 70 | mov.l %d0,-(%sp) | |
| 71 | jsr isatty | |
| 72 | addq.w &4,%sp | |
| 73 | tst.l %d0 | |
| 74 | bne.b LOCAL_LABEL(isatty) | |
| 75 | clr.l -(%sp) /* setbuf (stderr, NULL) */ | |
| 76 | pea _iob+28 | |
| 77 | jsr setbuf | |
| 78 | addq.w &8,%sp | |
| 79 | LOCAL_LABEL(isatty): | |
| 80 | addq.w &8,%sp | |
| 81 | ||
| 82 | jsr main | |
| 83 | mov.l %d0,(%sp) | |
| 84 | jsr exit | |
| 85 | moveq.l &1,%d0 | |
| 86 | trap &0 | |
| 87 | nop | |
| 88 | ||
| 89 | EVEN | |
| 90 | ||
| 91 | COMM splimit%,4 | |
| 92 | COMM environ,4 | |
| 93 | ||
| 94 | COMM mcount,4 | |
| 95 | COMM mcount%,4 | |
| 96 | COMM monitor,4 | |
| 97 | ||
| 98 | #ifdef STRING | |
| 99 | SECTION (.comment) | |
| 861bb6c1 | 100 | STRING ("$Id: mot3300-crt0.S,v 1.1 1997/08/11 15:57:32 law Exp $\n") |
| ad8445f4 RK |
101 | STRING ("Contributed by manfred@lts.sel.alcatel.de (Manfred Hollstein, Germany)\n") |
| 102 | #else | |
| 103 | byte 'C,'o,'n,'t,'r,'i,'b,'u,'t,'e,'d,' ,'b,'y | |
| 104 | byte ' ,'m,'a,'n,'f,'r,'e,'d,'@,'l,'t,'s,'.,'s | |
| 105 | byte 'e,'l,'.,'a,'l,'c,'a,'t,'e,'l,'.,'d,'e,' | |
| 106 | byte '(,'M,'a,'n,'f,'r,'e,'d,' ,'H,'o,'l,'l,'s | |
| 107 | byte 't,'e,'i,'n,',,' ,'G,'e,'r,'m,'a,'n,'y,') | |
| 108 | byte 10,0 | |
| 109 | #endif |