c5d71f39e0
* config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter with a prototype. * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress warning. From-SVN: r36260
124 lines
3.4 KiB
C
124 lines
3.4 KiB
C
/* Solaris PowerPC startfile. */
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/* Copyright (C) 1996, 2000 Free Software Foundation, Inc.
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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In addition to the permissions in the GNU General Public License, the
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Free Software Foundation gives you unlimited permission to link the
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compiled version of this file into combinations with other programs,
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and to distribute those combinations without any restriction coming
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from the use of this file. (The General Public License restrictions
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do apply in other respects; for example, they cover modification of
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the file, and distribution when not linked into a combine
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executable.)
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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extern char **_environ;
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extern int atexit (void (*__func) (void));
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extern void __init (void) __attribute__ ((__longcall__));
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extern void __fini (void) __attribute__ ((__longcall__));
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extern void _start(int argc, char *argv[], char *envp[], void *auxp,
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void (*termfunc)(void));
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extern void exit(int);
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extern int main (int argc, char *argv[], char *envp[], void *auxp);
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typedef void (*func_ptr) (void);
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int (*__atexit)(func_ptr) = atexit;
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/* Exception handling */
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struct ex_shared1 {
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void *prev;
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void *next;
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char *text_start;
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char *range_start;
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char *text_end;
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char *range_end;
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};
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struct ex_shared {
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void (*ex_register) (struct ex_shared1 *);
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void (*ex_deregister) (struct ex_shared1 *);
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struct ex_shared1 shared_info;
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};
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extern char _ex_text0[], _ex_text1[];
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extern char _ex_range0[], _ex_range1[];
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extern void _ex_register (struct ex_shared1 *);
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extern void _ex_deregister (struct ex_shared1 *);
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extern char _SDA_BASE_[];
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extern char _SDA2_BASE_[];
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struct ex_shared shared __attribute__((section(".ex_shared"))) = {
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_ex_register,
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_ex_deregister,
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{
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(void *)0,
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(void *)0,
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_ex_text0,
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_ex_range0,
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_ex_text1,
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_ex_range1
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}
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};
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static void
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deregister (void)
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{
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(* shared.ex_deregister) (&shared.shared_info);
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}
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/* Start function. */
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void
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_start(int argc, char *argv[], char *envp[], void *auxp,
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void (*termfunc)(void))
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{
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int ret;
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int dummy = 0;
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#if 0
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/* Disable this for now, it causes an impossible reload. */
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/* Load up r13/r2 before we do anything else. */
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__asm__ volatile ("mr %%r13,%0;mr %%r2,%1" : "=r" (dummy) : "r" (&_SDA_BASE_[0]), "r" (&_SDA2_BASE_[0]), "r" (dummy));
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#endif
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_environ = envp + dummy;
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/* Register loader termination function (the || dummy is to make sure the above asm
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is not optimized away). */
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if (termfunc)
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atexit (termfunc);
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/* Register exception handler if needed */
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if (shared.ex_register)
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(* shared.ex_register) (&shared.shared_info);
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if (shared.ex_deregister)
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atexit (deregister);
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/* Call any global constructors and destructors. */
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__init ();
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atexit (__fini);
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/* Call the main program now */
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ret = main (argc, argv, envp, auxp);
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/* Return to the os */
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exit (ret);
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}
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