ack/plat/pdpv7/descr
George Koehler 5de5611c24 Use 2-byte alignment in pdpv7 to prevent SIGBUS.
Change the alignment in C structs (wa, pa, sa, and so on) from 1 to 2
bytes.  This prevents the SIGBUS when PDP-11 Unix V7 catches the
misalignment.  This fixes hilo_p.pdpv7 in simh-pdp11.

Change ALIGN to document that sections have 2-byte alignment.  This
change should have no effect, because the sections only contain 2-byte
values.
2018-06-15 00:17:12 -04:00

84 lines
1.5 KiB
Plaintext

# $Revision$
var w=2
var wa=2
var p=2
var pa=2
var s=2
var sa=2
var l=4
var la=2
var f=4
var fa=2
var d=8
var da=2
var x=8
var xa=2
var ARCH=pdp
var PLATFORM=pdpv7
var PLATFORMDIR={EM}/share/ack/{PLATFORM}
var CPP_F=-D__unix
var ALIGN=-a0:2 -a1:2 -a2:2 -a3:2
var C_INCLUDES=-I{PLATFORMDIR}/include -I{EM}/share/ack/include/ansi
name be
from .m.g
to .s
program {EM}/lib/ack/{PLATFORM}/cg
args <
stdout
need .e
end
name asopt
from .s
to .so
program {EM}/lib/ack/{PLATFORM}/top
args
optimizer
stdin
stdout
prep cond
end
name as
from .s.so
to .o
program {EM}/lib/ack/{PLATFORM}/as
args - -o > <
prep cond
end
name led
from .o.a
to .out
program {EM}/lib/ack/em_led
mapflag -l* LNAME={PLATFORMDIR}/lib*
mapflag -i SEPID=-b1:0
mapflag -n ALIGN=-a0:1 -a1:0x2000 -a2:1 -a3:1
mapflag -nr ALIGN=-a0:1 -a1:1 -a2:0x2000 -a3:1
args {ALIGN} {SEPID?} \
({RTS}:.b=-u _i_main) \
(.e:{HEAD}={PLATFORMDIR}/boot.o) \
({RTS}:.ocm.bas.b={PLATFORMDIR}/c-ansi.o) \
({RTS}:.c={PLATFORMDIR}/c-ansi.o) \
({RTS}:.mod={PLATFORMDIR}/modula2.o) \
({RTS}:.p={PLATFORMDIR}/pascal.o) \
-o > < \
(.p:{TAIL}={PLATFORMDIR}/libpascal.a) \
(.b:{TAIL}={PLATFORMDIR}/libb.a) \
(.bas:{TAIL}={PLATFORMDIR}/libbasic.a) \
(.mod:{TAIL}={PLATFORMDIR}/libmodula2.a) \
(.ocm:{TAIL}={PLATFORMDIR}/liboccam.a) \
(.ocm.bas.mod.b.c.p:{TAIL}={PLATFORMDIR}/libc.a) \
(.e:{TAIL}={PLATFORMDIR}/libem.a \
{PLATFORMDIR}/libsys.a \
{PLATFORMDIR}/libend.a)
linker
end
name cv
from .out
to .cv
program {EM}/lib/ack/{PLATFORM}/cv
args < >
outfile a.out
end