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btxcsu.S
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btxcsu.S revision 199767f8919635c4928607450d9e0abb932109ce
#
#
Copyright
(c)
1998
Robert
Nordier
#
All
rights
reserved
.
#
#
Redistribution
and
use
in
source
and
binary
forms
are
freely
#
permitted
provided
that
the
above
copyright
notice
and
this
#
paragraph
and
the
following
disclaimer
are
duplicated
in
all
#
such
forms
.
#
#
This
software
is
provided
"AS IS"
and
without
any
express
or
#
implied
warranties
,
including
,
without
limitation
,
the
implied
#
warranties
of
merchantability
and
fitness
for
a
particular
#
purpose
.
#
# $
FreeBSD
$
#
include
<
bootargs.h
>
#
#
BTX
C
startup
code
(
ELF
).
#
#
#
Globals
.
#
.
global
_start
#
#
Client
entry
point
.
#
_start
:
cld
pushl
%
eax
movl
$
_edata
,%
edi
movl
$
_end
,%
ecx
subl
%
edi
, %
ecx
xorb
%
al
, %
al
rep
stosb
popl
__base
movl
%
esp
,%
eax
#
Set
addl
$
ARGADJ
,%
eax
#
argument
movl
%
eax
,
__args
#
pointer
call
main
#
Invoke
client
main
()
call
exit
#
Invoke
client
exit
()
#
#
Data
.
#
.
comm
__base
,
4
#
Client
base
address
.
comm
__args
,
4
#
Client
arguments