[src/trunk]: src/lib/csu/x86_64 CSU for x86-64 port.

[fvdl <fvdl%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/806df8efdad1
branches:  trunk
changeset: 511392:806df8efdad1
user:      fvdl <fvdl%NetBSD.org@localhost>
date:      Tue Jun 19 00:49:06 2001 +0000

description:
CSU for x86-64 port.

diffstat:

 lib/csu/x86_64/Makefile |    3 +
 lib/csu/x86_64/crt0.c   |  104 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 107 insertions(+), 0 deletions(-)

diffs (115 lines):

diff -r 5cbea7b20806 -r 806df8efdad1 lib/csu/x86_64/Makefile
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/csu/x86_64/Makefile   Tue Jun 19 00:49:06 2001 +0000
@@ -0,0 +1,3 @@
+#      $NetBSD: Makefile,v 1.1 2001/06/19 00:49:06 fvdl Exp $
+
+.include "${.CURDIR}/../common_elf/Makefile.inc"
diff -r 5cbea7b20806 -r 806df8efdad1 lib/csu/x86_64/crt0.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/csu/x86_64/crt0.c     Tue Jun 19 00:49:06 2001 +0000
@@ -0,0 +1,104 @@
+/* $NetBSD: crt0.c,v 1.1 2001/06/19 00:49:06 fvdl Exp $ */
+
+/*
+ * Copyright (c) 1998 Christos Zoulas
+ * 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 for the
+ *          NetBSD Project.  See http://www.netbsd.org/ for
+ *          information about NetBSD.
+ * 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.
+ * 
+ * <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
+ */
+
+#include "common.h"
+
+void ___start __P((int, char **, char **, void (*cleanup) __P((void)),
+    const Obj_Entry *, struct ps_strings *));
+
+__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    $8,%rsp                                 ; \
+       jmp     ___start                                ; ");
+
+void
+___start(argc, argv, envp, cleanup, obj, ps_strings)
+       int argc;
+       char **argv;
+       char **envp;
+       void (*cleanup) __P((void));            /* from shared loader */
+       const Obj_Entry *obj;                   /* from shared loader */
+       struct ps_strings *ps_strings;
+{
+       environ = envp;
+
+       if ((__progname = argv[0]) != NULL) {   /* NULL ptr if argc = 0 */
+               if ((__progname = _strrchr(__progname, '/')) == NULL)
+                       __progname = argv[0];
+               else
+                       __progname++;
+       }
+
+       if (ps_strings != (struct ps_strings *)0)
+               __ps_strings = ps_strings;
+
+#ifdef DYNAMIC
+       if (&_DYNAMIC != NULL)
+               _rtld_setup(cleanup, obj);
+#endif
+
+#ifdef MCRT0
+       atexit(_mcleanup);
+       monstartup((u_long)&_eprol, (u_long)&_etext);
+#endif
+
+       atexit(_fini);
+       _init();
+
+       exit(main(argc, argv, environ));
+}
+
+/*
+ * NOTE: Leave the RCS ID _after_ __start(), in case it gets placed in .text.
+ */
+#if defined(LIBC_SCCS) && !defined(lint)
+__RCSID("$NetBSD: crt0.c,v 1.1 2001/06/19 00:49:06 fvdl Exp $");
+#endif /* LIBC_SCCS and not lint */
+
+#include "common.c"