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Diffstat (limited to 'gcc/config/m68k/aux-crt1.c')
| -rw-r--r-- | gcc/config/m68k/aux-crt1.c | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/gcc/config/m68k/aux-crt1.c b/gcc/config/m68k/aux-crt1.c deleted file mode 100644 index 9ee529b053d..00000000000 --- a/gcc/config/m68k/aux-crt1.c +++ /dev/null @@ -1,134 +0,0 @@ -/* Startup code for A/UX - Copyright (C) 1996 Free Software Foundation, Inc. - -This file 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, or (at your option) any -later version. - -In addition to the permissions in the GNU General Public License, the -Free Software Foundation gives you unlimited permission to link the -compiled version of this file with other programs, and to distribute -those programs without any restriction coming from the use of this -file. (The General Public License restrictions do apply in other -respects; for example, they cover modification of the file, and -distribution when not linked into another program.) - -This file 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; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -/* As a special exception, if you link this library with files - compiled with GCC to produce an executable, this does not cause - the resulting executable to be covered by the GNU General Public License. - This exception does not however invalidate any other reasons why - the executable file might be covered by the GNU General Public License. */ - -/* This file is compiled three times to produce crt1.o, mcrt1.o, and - maccrt1.o. The final two are created by defining MCRT1 and MACCRT1 - respectively. */ - -#include <stdlib.h> -#ifdef MCRT1 -#include <unistd.h> -#include <mon.h> -#endif - -/* Extern function declarations */ - -extern void initfpu(void); -extern void __istart(void); -extern void __compatmode(void); -extern void _cleanup(void); -extern int main(int, char **, char **); -extern void exit(int) __attribute__((noreturn)); -extern void _exit(int) __attribute__((noreturn)); - -#ifdef MACCRT1 -extern void InitMac(void); -#endif -#ifdef MCRT1 -static void monitor_start(void); -#endif - -/* Global variables */ - -char **environ; -char *__splimit; /* address of top of stack */ - - -/* Initialize system and run */ - -void _start() __attribute__((noreturn)); -void _start() -{ - register int *fp __asm__("%a6"); - register char *d0 __asm__("%d0"); - char **argv; - int argc; - - __splimit = d0; - argc = fp[1]; - argv = (char **)&fp[2]; - environ = &argv[argc+1]; - - initfpu(); - __istart(); - __compatmode(); - - atexit(_cleanup); -#ifdef MCRT1 - monitor_start(); -#endif -#ifdef MACCRT1 - InitMac(); -#endif - - exit(main(argc, argv, environ)); -} - - -#ifdef MCRT1 -/* Start/Stop program monitor */ - -extern void monitor(void *, void *, WORD *, int, int); - -static WORD *monitor_buffer; - -static void monitor_cleanup(void) -{ - monitor(NULL, NULL, NULL, 0, 0); - free(monitor_buffer); -} - -static void monitor_start(void) -{ - extern int etext; - extern int stext __asm__(".text"); - - /* Choice of buffer size should be "no more than a few times - smaller than the program size" -- I don't believe that there - are any (useful) functions smaller than two insns (4 bytes) - so that is the scale factor used here */ - int len = (&etext - &stext + 1) / 4; - - monitor_buffer = (WORD *)calloc(len, sizeof(WORD)); - if (monitor_buffer == NULL) - { - static const char msg[] = "mcrt1: could not allocate monitor buffer\n"; - write(2, msg, sizeof(msg)-1); - _exit(-1); - } - - /* I'm not sure why the count cap at 600 -- but that is what A/UX does */ - monitor(&stext, &etext, monitor_buffer, len, 600); - - atexit(monitor_cleanup); -} -#endif /* MCRT1 */ |