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authordfr <dfr@FreeBSD.org>2000-10-14 16:38:08 +0000
committerdfr <dfr@FreeBSD.org>2000-10-14 16:38:08 +0000
commit2cd0661ce2f3ca080513c7f54c7e77b5209e23c9 (patch)
tree70d131e798e051e72a0af7b582b570844d6e9213 /lib/csu/ia64
parent1beb657e46e57fde773c6c9f5c36583729327bd1 (diff)
downloadFreeBSD-src-2cd0661ce2f3ca080513c7f54c7e77b5209e23c9.zip
FreeBSD-src-2cd0661ce2f3ca080513c7f54c7e77b5209e23c9.tar.gz
CSU code for ia64.
Diffstat (limited to 'lib/csu/ia64')
-rw-r--r--lib/csu/ia64/crt1.c115
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
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