94 lines
1.8 KiB
ArmAsm
94 lines
1.8 KiB
ArmAsm
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/* Copyright (C) 1993, 1995, 1996 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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.comm errno, 4
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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) /* terminate frame chain */
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br t0, 1f
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1: ldgp gp, 0(t0)
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mov zero, a0 /* establish __fpu_control w/kernel */
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jsr ra, __setfpucw
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ldgp gp, 0(ra)
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/* clear out errno. */
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lda t0, errno
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stl zero, 0(t0)
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ldl a0, 16(sp) /* get argc */
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lda a1, 24(sp) /* get argv */
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/* initialize environ: */
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lda t0, environ
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s8addq a0, a1, a2
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addq a2, 0x8, a2
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stq a2, 0(t0)
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#ifndef HAVE_INITFINI
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mov a0, s0
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mov a1, s1
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mov a2, s2
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jsr ra, __libc_init
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ldgp gp, 0(ra)
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mov s0, a0
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mov s1, a1
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mov s2, a2
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/* initialize constructors: */
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jsr ra, __main
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ldgp gp, 0(ra)
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mov s0, a0
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mov s1, a1
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mov s2, a2
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#endif
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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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lda pv, exit
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jsr ra, (pv), 1
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ldgp gp, 0(ra)
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/* in case exit returns: */
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1: ldi v0, __NR_exit
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call_pal PAL_callsys
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br 1b
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.end __start
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/* Define a symbol for the first piece of initialized data. */
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.data
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.globl __data_start
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__data_start:
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.long 0
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weak_alias(__data_start, data_start)
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