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/* Copyright (C) 1993, 1995, 1996 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>
.comm errno, 4
#ifdef __ELF__
.type errno, @object
#endif
.text
LEAF(__start, 16)
lda sp, -16(sp)
.prologue 0
stq zero, 8(sp) /* terminate frame chain */
br t0, 1f
1: ldgp gp, 0(t0)
mov zero, a0 /* establish __fpu_control w/kernel */
jsr ra, __setfpucw
ldgp gp, 0(ra)
/* clear out errno. */
stl zero, (errno)
ldl a0, 16(sp) /* get argc */
lda a1, 24(sp) /* get argv */
/* initialize environ: */
lda t0, environ
s8addq a0, a1, a2
addq a2, 0x8, a2
stq a2, 0(t0)
mov a0, s0
mov a1, s1
mov a2, s2
#ifdef HAVE_INITFINI
/* register the _fini sections to ensure destructors get run: */
lda a0, _fini
jsr ra, atexit
ldgp gp, 0(ra)
/* Now run the _init section of the program itself. The _init
sections of shared libraries will be run by the dynamic linker. */
jsr ra, _init
ldgp gp, 0(ra)
/* initialize constructors: */
jsr ra, __main
ldgp gp, 0(ra)
#else
jsr ra, __libc_init
ldgp gp, 0(ra)
#endif
mov s0, a0
mov s1, a1
mov s2, a2
jsr ra, main
ldgp gp, 0(ra)
mov v0, a0
lda pv, exit
jsr ra, (pv), 1
ldgp gp, 0(ra)
/* in case exit returns: */
1: ldi v0, __NR_exit
call_pal PAL_callsys
br 1b
.end __start
/* Define a symbol for the first piece of initialized data. */
.data
.globl __data_start
__data_start:
.long 0
#ifdef __ELF__
.size __data_start, 4
.type __data_start, @object
#endif
weak_alias(__data_start, data_start)
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