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