1991/0522/port/sysproc.c (diff list | history)

1991/0522/sys/src/9/port/sysproc.c:152,158 – 1991/0523/sys/src/9/port/sysproc.c:152,158 (short | long | prev | next)
1990/0227		char **argv, **argp; char *a, *charp, *file; char *progarg[sizeof(Exec)/2+1], elem[NAMELEN];
1991/0522		ulong sbase, ssize, spage, nargs, nbytes, n, bssend;
1991/0523		ulong ssize, spage, nargs, nbytes, n, bssend;
1990/0227		ulong *sp; int indir; Exec exec;
1991/0522/sys/src/9/port/sysproc.c:239,254 – 1991/0523/sys/src/9/port/sysproc.c:239,253
1990/0227		} ssize = BY2WD*(nargs+1) + ((nbytes+(BY2WD-1)) & ~(BY2WD-1)); spage = (ssize+(BY2PG-1)) >> PGSHIFT;
1991/0522		sbase = TSTKTOP-(spage<<PGSHIFT);
1990/0227		/* * Build the stack segment, putting it in kernel virtual for the moment */
1991/0522		if(sbase <= USERADDR)
1991/0523		if(spage > TSTKSIZ)
1991/0522		errors("not enough argument stack space");
1990/0227		s = &p->seg[ESEG]; s->proc = p;
1991/0522		s->o = neworig(sbase, spage, OWRPERM, 0);
1991/0523		s->o = neworig(TSTKTOP-(spage<<PGSHIFT), spage, OWRPERM, 0);
1990/0227		s->minva = s->o->va; s->maxva = TSTKTOP;