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author | dfr <dfr@FreeBSD.org> | 2000-10-14 16:38:08 +0000 |
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committer | dfr <dfr@FreeBSD.org> | 2000-10-14 16:38:08 +0000 |
commit | 2cd0661ce2f3ca080513c7f54c7e77b5209e23c9 (patch) | |
tree | 70d131e798e051e72a0af7b582b570844d6e9213 | |
parent | 1beb657e46e57fde773c6c9f5c36583729327bd1 (diff) | |
download | FreeBSD-src-2cd0661ce2f3ca080513c7f54c7e77b5209e23c9.zip FreeBSD-src-2cd0661ce2f3ca080513c7f54c7e77b5209e23c9.tar.gz |
CSU code for ia64.
-rw-r--r-- | lib/csu/ia64/crt1.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/lib/csu/ia64/crt1.c b/lib/csu/ia64/crt1.c new file mode 100644 index 0000000..8fa06ba --- /dev/null +++ b/lib/csu/ia64/crt1.c @@ -0,0 +1,115 @@ +/*- + * Copyright 1996-1998 John D. Polstra. + * All rights reserved. + * 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. + * + * $FreeBSD$ + */ + +#ifndef __GNUC__ +#error "GCC is needed to compile this file" +#endif + +#include <stdlib.h> + +struct Struct_Obj_Entry; +struct ps_strings; + +#pragma weak _DYNAMIC +extern int _DYNAMIC; + +extern void _init(void); +extern void _fini(void); +extern int main(int, char **, char **); + +#ifdef GCRT +extern void _mcleanup(void); +extern void monstartup(void *, void *); +extern int eprol; +extern int etext; +#endif + +char **environ; +char *__progname = ""; + +__asm (" + .text + .global _start + .proc _start +_start: + alloc r16=ar.pfs,0,0,3,0 ;; + mov out0=sp + mov out1=r14 + mov out2=r15 + movl gp=_GLOBAL_OFFSET_TABLE_ + br.call.sptk rp=_start2 + .endp _start"); + +/* The entry function. */ +void +_start2(char **ap, + struct ps_strings *ps_strings, + void (*cleanup)(void)) +{ + int argc; + char **argv; + char **env; + + argc = * (long *) ap; + argv = ap + 1; + env = ap + 2 + argc; + environ = env; + if(argc > 0 && argv[0] != NULL) { + char *s; + __progname = argv[0]; + for (s = __progname; *s != '\0'; s++) + if (*s == '/') + __progname = s + 1; + } + + if (&_DYNAMIC != NULL) + atexit(cleanup); + +#ifdef GCRT + atexit(_mcleanup); +#endif + atexit(_fini); +#ifdef GCRT + monstartup(&eprol, &etext); +#endif + _init(); + exit( main(argc, argv, env) ); +} + +#ifdef GCRT +__asm__(".text"); +__asm__("eprol:"); +__asm__(".previous"); +#endif |