diff options
Diffstat (limited to 'lib/csu/x86_64/crt0.c')
| -rw-r--r-- | lib/csu/x86_64/crt0.c | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/lib/csu/x86_64/crt0.c b/lib/csu/x86_64/crt0.c deleted file mode 100644 index b948fe048de..00000000000 --- a/lib/csu/x86_64/crt0.c +++ /dev/null @@ -1,128 +0,0 @@ -/* $OpenBSD: crt0.c,v 1.1 2004/01/28 01:46:17 mickey Exp $ */ -/* - * Copyright (c) 1995 Christopher G. Demetriou - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Christopher G. Demetriou - * for the NetBSD Project. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#if defined(LIBC_SCCS) && !defined(lint) -static char rcsid[] = "$OpenBSD: crt0.c,v 1.1 2004/01/28 01:46:17 mickey Exp $"; -#endif /* LIBC_SCCS and not lint */ - -#include <sys/param.h> -#include <stdlib.h> - -static char *_strrchr(char *, char); - -char **environ; -char *__progname = ""; - -char __progname_storage[NAME_MAX+1]; - -#ifdef MCRT0 -extern void monstartup(u_long, u_long); -extern void _mcleanup(void); -extern unsigned char _etext, _eprol; -#endif /* MCRT0 */ - -__asm(" .text ;\ - .align 8 ;\ - .globl __start ;\ - .globl _start ;\ -_start: ;\ -__start: ;\ - movq %rbx,%r9 ;\ - movq %rcx,%r8 ;\ - movq %rdx,%rcx ;\ - movq (%rsp),%rdi ;\ - leaq 16(%rsp,%rdi,8),%rdx ;\ - leaq 8(%rsp),%rsi ;\ - subq $8,%rsp ;\ - andq $~15,%rsp ;\ - addq $8,%rsp ;\ - jmp ___start ;\ -"); - -void -___start(argc, argv, envp, cleanup, obj, ps_strings) - int argc; - char **argv; - char ** envp; - void (*cleanup)(void); /* from shared loader */ - const void *obj; /* from shared loader */ - struct ps_strings *ps_strings; -{ - char *namep; - register struct kframe *kfp; - char *s; - - environ = envp; - - if ((namep = argv[0]) != NULL) { /* NULL ptr if argc = 0 */ - if ((__progname = _strrchr(namep, '/')) == NULL) - __progname = namep; - else - ++__progname; - for (s = __progname_storage; *__progname && - s < &__progname_storage[sizeof __progname_storage - 1]; ) - *s++ = *__progname++; - *s = '\0'; - __progname = __progname_storage; - } - -#ifdef MCRT0 - atexit(_mcleanup); - monstartup((u_long)&_eprol, (u_long)&_etext); -#endif - - __init(); - - exit(main(argc, argv, environ)); -} - - -static char * -_strrchr(p, ch) -register char *p, ch; -{ - register char *save; - - for (save = NULL;; ++p) { - if (*p == ch) - save = (char *)p; - if (!*p) - return(save); - } -/* NOTREACHED */ -} - -#ifdef MCRT0 -asm (" .text"); -asm ("_eprol:"); -#endif - |