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Diffstat (limited to 'sysdeps/unix/bsd/Attic/osf1/alpha/start.S')
-rw-r--r--sysdeps/unix/bsd/Attic/osf1/alpha/start.S72
1 files changed, 72 insertions, 0 deletions
diff --git a/sysdeps/unix/bsd/Attic/osf1/alpha/start.S b/sysdeps/unix/bsd/Attic/osf1/alpha/start.S
new file mode 100644
index 0000000000..8b7109a512
--- /dev/null
+++ b/sysdeps/unix/bsd/Attic/osf1/alpha/start.S
@@ -0,0 +1,72 @@
+/* Copyright (C) 1993, 1995 Free Software Foundation, Inc.
+ Contributed by Brendan Kehoe (brendan@zen.org).
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <sysdep.h>
+
+#ifndef HAVE_WEAK_SYMBOLS
+#define __environ environ
+#else
+weak_alias (__environ, environ)
+#endif
+
+.comm __environ, 8
+.comm errno, 4
+
+!.sdata
+!.globl STARTFRM
+!STARTFRM = 0
+
+.text
+ENTRY(__start)
+ lda sp, -16(sp)
+ stq zero, 8(sp)
+
+ ! This branch puts the address of the current insn in t0.
+ br t0, 10f
+10:
+ ! We set the GP register by using the address of the ldgp
+ ! (what we just put into t0).
+ ldgp gp, 0(t0)
+
+ ! get argc
+ ldl a0, 16(sp)
+
+ ! get argv
+ lda a1, 24(sp)
+
+ ! move ahead to envp
+ s8addq a0, a1, a2
+ addq a2, 0x8, a2
+
+ ! Store in environ.
+ stq a2, environ
+
+ ! Clear out errno.
+! ldgp gp, 0(t12)
+ stl zero, errno
+
+ ! Call main.
+ jsr ra, main
+ ldgp gp, 0(ra)
+
+ mov v0, a0
+
+ jsr ra, exit
+ ldgp gp, 0(ra)
+
+ .end __start