diff options
Diffstat (limited to 'sysdeps/unix/bsd/Attic/osf1/alpha/start.S')
-rw-r--r-- | sysdeps/unix/bsd/Attic/osf1/alpha/start.S | 72 |
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 |