ack/util/opt/alloc.h
1984-05-17 14:14:29 +00:00

56 lines
1.3 KiB
C

/* $Header$ */
extern line_p newline();
extern offset *newrom();
extern sym_p newsym();
extern num_p newnum();
extern arg_p newarg();
extern argb_p newargb();
extern reg_p newreg();
extern oldline();
extern oldloc();
extern oldreg();
/* #define USEMALLOC /* if defined malloc() and free() are used */
/* #define COREDEBUG /* keep records and print statistics */
/*
* The next define gives if defined the number of pseudo's outside
* procedures that are collected without processing.
* If undefined all pseudo's will be collected but that may
* give trouble on small machines, because of lack of room.
*/
#define PSEUBETWEEN 200
#ifndef USEMALLOC
/*
* Now the real bitsqueezing starts.
* When running on a machine where code and data live in
* separate address-spaces it is worth putting in some extra
* code to save on probably less data.
*/
#define SEPID /* code and data in separate spaces */
/*
* If the stack segment and the data are separate as on a PDP11 under UNIX
* it is worth squeezing some shorts out of the stack page.
*/
#ifndef EM_WSIZE
/*
* Compiled with 'standard' C compiler
*/
#define STACKROOM 3200 /* number of shorts space in stack */
#else
/*
* Compiled with pcc, has trouble with lots of variables
*/
#define STACKROOM 2000
#endif
#else
#define STACKROOM 1 /* 0 gives problems */
#endif /* USEMALLOC */