/* machine.h Copyright (C) 1990-1996 Codemist Ltd */
/* Signature: 7fb57894 24-Apr-1999 */
#ifndef header_machine_h
#define header_machine_h 1
/*
* Set characteristics of machine given type. This ought to be the only
* file that inspects macros predefined by your compiler, and on the basis
* of those it sets a further set of macros that identify features
* that characterise your computer. If you move CSL to a new computer
* you should expect to have to add a few lines to this file.
* Ideally all macros used with #ifdef should be mentioned in this file,
* as documentation about what is available. At any one time that will
* not be so as (for instance) short-term debugging control things will
* come and go...
* I will try to put comments about each symbol the first time it is
* mentioned here.
*/
#include <stdio.h> /* almost everybody needs this */
#include <stdlib.h>
#include <signal.h> /* needed for errorset & floating exceptions */
/*
* The macro COMMON decides if the code is being built to implement
* a Common Lisp or a Standard Lisp. If you want to build a Common
* Lisp you should arrange that your makefiles establish -DCOMMON as
* a command-line option for the C compiler. NB with the COMMON option
* you need a set of Lisp sources to build lots of higher level Common
* Lisp functions, and these are not provided when CSL is shipped for
* use with Reduce.
*/
/*
* I want COMMON Lisp mode systems to use 18-page bits even on small
* machines, so that image files can part between those and big systems.
* As of April 1995 I will do the same for Standard Lisp, so that image
* files are always cross-portable. If this puts too heavy a load on memory
* on the remaining systems that do not support virtual memory then I could
* go back down to using 16-bits, but that also limits the size of the largest
* supported vector, biggest bignum etc.
*/
#ifdef COMMON
# define SMALL_PAGE_BITS 18
#else
# define SMALL_PAGE_BITS 18
#endif
/*
* It is assumed that all addresses are 32-bits long (i.e. sizeof(void *)==4),
* and that the sign of (long int)malloc(...) is always the same. For
* some segmented machines, and possibly the transputer, malloc'd addresses
* may look negative and I am supposed to be able to cope with this.
* Also ANSI do not specify what happens when you go
* int p = ((int)q) >> n;
* with respect to sign-bit propagation. On many (most?) machines shifts
* on signed values will be arithmetic (i.e. propagate the sign bit)
* but I have tried to identify places where I rely on this and provide
* alternative code for use when signed shifts are logical.
*
* The case of 64-bit addresses is under investigation for the DEC Alpha;
* that case works provided all CSL memory can be put at addresses lower
* than 0x7fffffff. The DEC/OSF "-taso" linker option supports that.
* An extended and more genuine version for 64-bit arithmetic and addresses
* is also part of an experiment, but that will not be complete for
* some while [Sept 1997].
*/
#undef SIGNED_SHIFTS_ARE_LOGICAL /* I hope I never have to activate this */
#define MEGABYTE ((unsigned32)0x100000U)
/*
* I will define SOCKETS if a BSD-like socket library is available. Since
* this is so on most important targets I will make it the default and
* I will put an "#undef SOCKETS" where needbe
*/
#define SOCKETS 1
/*
* __WATCOMC__ is defined by Watcom C compilers.
*/
#ifdef __WATCOMC__
#ifndef __SW_3R
/*
* I really want this to have /3r or /5r calling conventions so that native
* code and imulwat.asm can interface properly.
*/
#error Watcom C to be used with register (default) calling conventions, /5r
#endif
#ifndef WINDOWS_NT
/*
* IMPNAME names the version of CSL that I am compiling. It is made
* available as a string as the initial value of a variable IMPNAME. Note
* that undue reliance upon this can make Lisp checkpoint images non-portable.
*/
# define IMPNAME "DOS-386"
/*
* NATIVE_CODE_TAG is used as an identification number that indicates
* what hard machine code conventions (this must include register conventions
* as well as base machine architecture) apply in this version. When
* any Lisp is compiled into real machine code the stored version of same
* is marked with the value of NATIVE_CODE_TAG. If the image file that
* results is loaded into a copy of CSL that uses the same tag then the
* compiled code will be used. Otherwise it must not be. The objective here
* is that a single image file *might* contain real machine code for
* several architectures and I need to avoid mixups. Note that one
* processor (eg Intel) may have different calling conventions (say
* DOS/386, Windows and Linux) and one operating system and compiler may exist
* on several different CPU architectures (eg Linux or generic UNix).
* If I do not set a specific value of NATIVE_CODE_TAG it will default
* to the value 0, which will be taken to mean "not available on this
* version", which is at least a fairly safe situation.
* I will also provide for a run-time computed extension to this tag
* so that I can cope with machines that are very similar indeed but where
* different optimisations are appropriate.
*/
# define NATIVE_CODE_TAG 1 /* DOS, Watcom, DOS4GW */
/*
* Identify operating system being used
*/
# define MS_DOS 1
# undef SOCKETS
/*
* Identify the C compiler that I will use
*/
# define WATCOM 1
# define IMULTIPLY 1
# define IDIVIDE 1
/*
* PAGE_BITS controls the size of page that CSL allocates memory in. For
* 16-bit DOS this MUST be at most 16. Making it smaller would limit the
* largest size of vectors and bignums in a bad way. For other systems it
* can be (modestly) increased. If not set in this file a sensible default
* applies. Keeping PAGE_BITS reasonably small makes some sense on machines
* that do not have virtual memory, in that it reduces wastage due to
* page granularity.
*/
# define PAGE_BITS SMALL_PAGE_BITS
/*
* On computers with lots of registers I choose to keep many important
* variables where they can be addressed relative to one pointer, nil.
* On register-poor machines this is silly, and I use regular external
* variables instead. NILSEG_EXTERNS selects this option. The incantation
* -DNILSEG_REGISTER=1 when compiling can override this...
*/
#ifndef NILSEG_REGISTER
# define NILSEG_EXTERNS 1 /* externs.h */
#endif
/*
* See "tags.h" - these symbols control the size of memory that can
* be accomodated, and under MSDOS there is a limit at 16 Mbytes anyway,
* so allocating tables that could map more would be silly.
* It is valid to set MAX_HEAPSIZE up to 2048*MEGABYTE (probably!),
* but bit-packing for code-pointers (for bytecoded functions) means that
* MAX_BPSSIZE MUST be no larger than (64*MEGABYTE). Keeping these
* values realistically small will save (a modest amount of) space for
* tables of pages. If you do not set values in this header file some
* sensible default values will apply, so values are only set here for
* "small" machines where saving a few kilobytes may matter.
* The default values will be 1Gbyte of heap plus 64 Mbytes of compiled
* bytecode (and another 64 Mbytes of hard code, in any case where that
* option is supported).
*/
# define MAX_HEAPSIZE (2048*MEGABYTE)
# define MAX_BPSSIZE (64*MEGABYTE)
/*
* On this (and some other machines) a steady stream of clock
* ticks is available - I make these soft-interrupt CSL on a regular basis
* and can then poll a window manager, refresh the screen, check for ^C
* interrupts or whatever else needs doing.
* The details will tend to be rather system specific.
*/
# define TICK_STREAM 1
/*
* On some systems I will improve real speed or at the least arrange that
* the times I record are not polluted by slow physical IO by buffering
* screen updates. BUFFERED_STDOUT enables this. NEEDS_CARRIAGE_RETURN
* must be set if buffers written by fwrite() need to have '\r' as well as
* '\n' characters in them to mark line ends.
*/
# define BUFFERED_STDOUT 1
# define NEEDS_CARRIAGE_RETURN 1
/*
* If POLL_FOR_ATTN is defined than a function poll_for_attn will
* be called early in the handling of a clock tick, and the call
* can set interrupt_pending is a ^C (or similar event) has been
* requested by the user but not yet processed. This is done when
* detection of such events involves active interaction with the
* operating system. E.g. under MSDOS the ^C interrupt is not taken
* until a system call is made, so poll_for_attn() just does an otherwise
* fairly cheap and harmless system call.
*/
# define POLL_FOR_ATTN 1
/*
* HELP_SYSTEM is defined if (inside the Lisp) I allow for keeping a database
* of messages that get scanned by a function called "help". Actually these
* days the default is to include help support and NO_HELP_SYSTEM must be
* defined to disable it.
*/
# define HELP_SYSTEM 1
#endif /* end of DOS variant of Watcom */
#endif /* __WATCOMC__ */
#ifdef MS_DOS
/*
* OPSYS is used to set the operating system identification put in
* the "lispsystem*" variable
*/
# ifndef OPSYS
# define OPSYS "msdos"
# endif
#endif
/*
* The WINDOWS NT version is intended for all 32-bit windows worlds,
* that is Windows NT, Windows 95 and (as a temporary expedient) Win32s
* running on top of Windows 3.x. Eventually the support for win32s will
* be abandoned.
*/
#ifdef WINDOWS_NT
/*
* For very many purposes I will build a Windows NT version of this code
* using a (slightly separate) window management packaged called CWIN.
* But to provide flexibility for people who do not want to use this (for
* instance if they wish to build the code for embedded use and not give
* it any direct access to the user) I will not force this option here, but
* will require that in suitable cases the C compiler is invoked with the
* symbol CWIN predefined. This can make sense since the build sequences
* in such cases will need to compile and link in parts of the CWIN
* package too.
*/
#ifdef CWIN
# include "cwin.h"
/*
* SIMULATED_PIPES directs pipe access through code I write for myself.
*/
# define SIMULATED_PIPES 1
#endif
# define MS_DOS 1
# ifdef __WATCOMC__
# define NATIVE_CODE_TAG 2 /* Watcom, 32-bit Windows, register calling */
#else
/*
* MS_C is set if we are using Microsoft C, or some other C compiler that
* like __cdecl qualifiers in a load of places.
*/
# define MS_C 1
# define NATIVE_CODE_TAG 3 /* MS VC++ 5.0, Windows 95 & NT */
# endif
/*
* The next just provides more info about the target operating system
*/
# define USES_WIN32 1
#ifndef NILSEG_REGISTER
# define NILSEG_EXTERNS 1 /* externs.h */
#endif
# define MAX_HEAPSIZE (2048*MEGABYTE)
# define MAX_BPSSIZE (64*MEGABYTE)
/*
* IMULTIPLY and IDIVIDE get defined if you have assembly code versions
* of the primitive arithmetic routines that need 64-bit intermediate
* working.
*/
# define IMULTIPLY 1
# define IDIVIDE 1
# define TICK_STREAM 1
/*
* I guard SOFTWARE_TICKS this way so that the user can force its value
* with -DSOFTWARE_TICKS=nnnn in CFLAGS, either to change the frequency of
* polling or to force software ticks on a version of the system that
* usually uses operating-system provided ones. The value 3000 chosen here
* as a default seems to lead to a tolerable frequency of polling on
* reasonably fast machines. Slow systems might like a smaller value to
* keep them more responsive to the user?
*/
#ifndef SOFTWARE_TICKS
# define SOFTWARE_TICKS software_ticks
#endif
/*
* If I define SOFTWARE_TICKS to be software_ticks and then ALSO
* define INITIAL_SOFTWARE_TICKS I will use a dynamic scheme that
* tries to adjust things to have about SOFTWARE_TICKS_PER_SECOND
* ticks per second.
*/
# define INITIAL_SOFTWARE_TICKS 3000
# define SOFTWARE_TICKS_PER_SECOND 40
/*
* COMMAND_LINE_VERSION builds an NT variant that does not use the Window
* susbsystem. It will be use a simple command-line interface.
*/
#ifdef COMMAND_LINE_VERSION
# define IMPNAME "DOS"
# define OPSYS "dos"
# define NO_HELP_SYSTEM 1
#else
# define IMPNAME "Windows"
# define OPSYS "win32"
/*
* The next flag indicate that a system can provide a windowed
* environment with support for graphics output. This arranges that
* calls that print to stdout are handled specially
*/
# define WINDOW_SYSTEM 1
/*
* Note that for Windows I will use the Microsoft HELP mechanism rather
* than anything built inside the Lisp. However I build in the Help system
* here in order to make debugging same easier.
*/
# define HELP_SYSTEM 1
#endif /* COMMAND_LINE_VERSION */
/*
* PIPES is set if the functions my_popen(command, dirn) and my_pclose() are
* available. I do not make this synomymous with UNIX since a strict ANSI
* C library will not provide these functions. Also I make the entries used
* go via a system-specific hook since not all operating systems have calls
* that are exactly like the Unix popen and pclose.
*/
# define PIPES 1
/*
* In the case of Win32 I will have pipes if I am under Win32, bit
* not Win32S - so I will have to have a run-time test to see if pipes are
* really available. Oh misery!
*/
# define PIPES_SOMETIMES 1
#ifndef __WATCOMC__
/*
* BUILDING_DLL puts a __decltype(dllexport) qualifier in a load of
* extern declarations. This may be useful if I want CSL/CCL to be a DLL
* for some reason. But I have not checked this with Watcom C, only
* with Microsoft, hence I do not enable it too generally.
*/
/* # define BUILDING_DLL 1 */
#endif
#endif
#ifdef THINK_C /* Development on a Mac with System 7 and Think C 5.0 */
# define IMPNAME "Macintosh"
# define OPSYS "finder"
/*
* Bits of the operating-system interface like to know they are on a Mac.
*/
# define MACINTOSH 1
/*
* See comment earlier on about default condition wrt socket support.
*/
/*
* SIXTEEN_BIT is set if I need to use "long int" to get a 32-bit value.
* This will hardly ever be true now days! I do not guarantee that it
* still works! Please avoid if at all possible.
*/
# define SIXTEEN_BIT 1 /* Check this out - harmless anyway */
# define PAGE_BITS SMALL_PAGE_BITS
/*
* OUT_OF_LINE being defined makes the code SLIGHTLY smaller and SLIGHTLY
* slower. It only has an effect on the file "bytes1.c" where you can see
* what it does.
*/
# define OUT_OF_LINE 1 /* bytes1.c close to size limit for Mac? */
# define ADDRESSES_HAVE_TOP_BIT_CLEAR 1
# define TICK_STREAM 1
# define MAX_HEAPSIZE (2048*MEGABYTE)
# define MAX_BPSSIZE (64*MEGABYTE)
# define WINDOW_SYSTEM 1
# undef SOCKETS
# define HELP_SYSTEM 1
/*
* If HOLD_BACK_MEMORY is defined it indicates a number of pages
* to release to the operating system so that I do not utterly run out ever...
* Most necessary if low level operating system routines in effect do
* malloc() in a way I can not control.
*
* HOLD_BACK_MEMORY is asserted here and MUST BE for all machines
* where sizeof(size_t) == 2, since in that case it will not be possible
* to allocate memory in one big hunk.
*/
# define HOLD_BACK_MEMORY 6
/*
* For the Macintosh I will use NewPtr rather than malloc - the main reason
* I do this is that once malloc has grabbed space (under Think C) free
* never hands it back to the operating system.
*/
#include <memory.h>
#undef nil /* Think C headers go "#define nil 0" which hurts me */
#define malloc(n) NewPtr(n)
#define free(p) DisposPtr((Ptr)(p))
#endif
#ifdef powerc /* Development on a PowerPC with System 7 and Symantecs */
# define IMPNAME "PowerPC"
# define OPSYS "finder"
/*
* Bits of the operating-system interface like to know they are on a Mac.
*/
# define MACINTOSH 1
/*
* OUT_OF_LINE being defined makes the code SLIGHTLY smaller and SLIGHTLY
* slower. It only has an effect on the file "bytes1.c" where you can see
* what it does.
*/
# define OUT_OF_LINE 1 /* bytes1.c close to size limit for Mac? */
# define ADDRESSES_HAVE_TOP_BIT_CLEAR 1
# define TICK_STREAM 1
# define MAX_HEAPSIZE (2048*MEGABYTE)
# define MAX_BPSSIZE (64*MEGABYTE)
# define WINDOW_SYSTEM 1
# define TICK_STREAM 1
# define SOFTWARE_TICKS software_ticks
# define INITIAL_SOFTWARE_TICKS 3000
# define SOFTWARE_TICKS_PER_SECOND 40
# define POLL_FOR_ATTN 1
# define NO_HELP_SYSTEM 1
# undef SOCKETS
# define HELP_SYSTEM 1
/*
* If HOLD_BACK_MEMORY is defined it indicates a number of pages
* to release to the operating system so that I do not utterly run out ever...
* Most necessary if low level operating system routines in effect do
* malloc() in a way I can not control.
*
* HOLD_BACK_MEMORY is asserted here and MUST BE for all machines
* where sizeof(size_t) == 2, since in that case it will not be possible
* to allocate memory in one big hunk.
*/
# define HOLD_BACK_MEMORY 6
#undef nil /* Think C headers go "#define nil 0" which hurts me */
#endif
#ifdef arm /* Old RISCIX compiler... */
# define __arm 1
#endif
#ifdef __arm
# define IMPNAME "Archimedes"
# undef SOCKETS
#ifdef __riscos
/* Note NOT automatically defined by release compiler: Use -D__riscos please */
/*
* A profile option is available to help record low-level execution
* profiles of CSL's performance. Intended for use by those involved in
* fine-tuning system performance.
*/
# define SHOW_COUNTS_AVAILABLE 1 /* gc1.c */
/*
* RISCOS is the operating system on an Acorn Archimedes
*/
# define RISCOS 1
# define OPSYS "riscos"
# define HOLD_BACK_MEMORY 1
# define PAGE_BITS SMALL_PAGE_BITS
# define OUT_OF_LINE 1 /* memory generally tight? */
# define ADDRESSES_HAVE_TOP_BIT_CLEAR 1
# define MAX_HEAPSIZE (2048*MEGABYTE)
# define MAX_BPSSIZE (64*MEGABYTE)
# define TICK_STREAM 1
/*
* USE_AUTOINDEX causes the code that pushes multiple values onto
* the Lisp stack to use the addressing idiom (*++sp) and *(sp--)
* repeatedly. Otherwise the data movement and stack adjustment are
* written out as separate steps so that all adjustment is done in
* a single operation. With sufficiently clever compilers this ought not
* to matter, but at present there are plenty of compilers around that
* are not that smart!
*/
# define USE_AUTOINDEX 1
#ifndef SOFTWARE_TICKS
# define SOFTWARE_TICKS 3000 /* Maybe this is more robust?? */
#endif
# define WINDOW_SYSTEM 1
# define HELP_SYSTEM 1
/*
* In the case of RiscOS I will support pipes ONLY to the extent that
* the gnuplot interface requires them. Indeed the apparently generic
* (popen ...) function will send messages via the window manager with
* destination gnuplot (tested with gnuplot 3.4) only. Beware!
*/
# define SIMULATED_PIPES 1
# define PIPES 1
#else /* __riscos : the converse is taken to be RISCIX (Unix) */
/*
* Where Unix is available I use times() to read the clock, and report
* user CPU time. The value given to UNIX_TIMES indicates the clock
* tick resolution used. If this is not set I use clock() instead, which
* tends to count system time as well as user time and hence make the
* reports suggest lower performance... Do you call this cheating?
*/
# define UNIX_TIMES 100
# define UNIX 1
# define PIPES 1
#endif /* __riscos */
#endif /* __arm */
#ifdef __alpha
# define IMPNAME "DEC Alpha"
# define UNIX 1
# define BSD_LIB 1
# define PIPES 1
# define UNIX_TIMES 60
/*
* SIXTY_FOUR_BIT can be set if I have a representation of 64-bit
* integers (efficiently) available. This gets mapped onto the
* typedef names int64 and unsigned64, and may be used to speed up
* bignum arithmetic. SIXTY_FOUR_BIT defined directly indicates that
* the data type "long int" is a 64 bit one. If "LONG_LONG_64" is set
* (instead) then the long integer type is taken to be "long long int",
* an option relevant for (eg) super-sparc.
*/
# define SIXTY_FOUR_BIT 1
/*
* ADDRESS_64 is set to activate the EXPERIMENT where all items in Lisp
* are stored as 64 rather than just 32 bits. Doing so doubles the
* size of data structures but allows teh use of truly huge amounts of
* memory. If may be NEEDED for some future computer architectures as
* backwards-comptibility modes whereby 64-bit macines can simulate
* 32 bit ones are gradually withdrawn.
*/
/* # define ADDRESS_64 1 ... EXPERIMENTAL */
# ifndef _CC_NORCROFT
/*
* MULDIV64 is set if "long" is a 64-bit type is to be used in Imultiply etc
* here (temporarily) I only use it if I am using the DEC C compiler.
*/
# define MULDIV64 1
# endif
#endif
#ifndef __sgi
#ifdef __mips
# ifndef __mips__
# define __mips__
# endif
#endif
#ifdef __mips__
# define IMPNAME "MIPS"
/*
* To my amazement on most machines an integer GCD function based on
* subtraction and shifting outperformed one based on division. Where
* really fast hardware division is available define this symbol to
* use the more obvious code.
*/
# define FAST_DIVISION 1 /* arith09.c (gcd) */
# define UNIX 1
# define PIPES 1
/*
* Ultrix seems to object to fopen(xx, "rb"), and demand fopen(xx, "r")
* This is harmless of all UNIX systems, as all I/O is binary in Unix, but
* most other versions will at least accept "rb" and "wb", and if the C
* library is ANSI compatible they MUST do so.
*/
# define NO_BINARY_FOPEN 1
/* At present I can deal with two UNIX library types; BSD and NCC
* With BSD_LIB set then use will be made of isatty(2) and some other
* functions. With NCC_LIB (which is rather strict) private knowledge of the
* systems is used. But since NCC is the Codemist C compiler and library
* maybe we (Codemist) are entitled to exploit a bit of inside information
* from time to time?
*/
#ifdef SGICC
# undef __sgi
#endif
# ifdef __titan
# define NCC_LIB 1
# else
# ifdef __sgi
# define NCC_LIB 1
# else
# define BSD_LIB 1
# define WANT_POSIX 1
# define UNIX_TIMES CLK_TCK
# endif
# endif
#endif
#endif
#ifdef __sgi
# if __mips == 3
# define IMPNAME "SGI MIPS III"
# elif __mips == 1
# define IMPNAME "SGI MIPS I"
# else
# define IMPNAME "SGI"
# endif
# define WANT_POSIX 1
# define PIPES 1
# define UNIX_TIMES CLK_TCK
# define UNIX 1
# define BSD_LIB 1
#endif
#ifdef vax
# ifdef vms
/* this allows me to compile under VAX/VMS directly */
# define __vmsvax__
# endif
#endif
#ifdef __vax__
# define IMPNAME "VAX"
# define NO_BINARY_FOPEN 1
# define UNIX_TIMES 60
# define UNIX 1
# define BSD_LIB 1
# define PIPES 1
# define USE_AUTOINDEX 1
#endif
#ifdef __vmsvax__
# define IMPNAME "VAX/VMS"
# define OPSYS "vms"
# define VAXFLOAT 1
# define UNIX_TIMES 60 /* OK under VMS? */
# define HELP_SYSTEM 1
# define USE_AUTOINDEX 1
# undef SOCKETS
#endif
#ifdef NeXT
/*
* This is being tested on a Pentium Pro running NeXT, and may deserve
* adjustment for other variant targets.
*/
# define IMPNAME "NeXT"
# define UNIX 1 /* almost! */
# define OPSYS "unix" /* close enough! */
# define UNIX_TIMES 60
# define BSD_LIB 1
# define USE_DIRECT_H 1 /* use <direct.h> not <dirent.h> */
# define UTIME_TIME_T 1 /* Arg type for utime() function */
# define NO_GETCWD 1 /* Functionality unavailable? */
#endif
#ifdef _rs6000
# define IMPNAME "rs/6000"
# define UNIX 1
/*
* Magic to do with the need for symbols predefined before <stdio.h> etc
* get scanned on this machine.
*/
# define WANT_POSIX 1
# define PIPES 1
# define UNIX_TIMES 100
# define BSD_LIB 1
#endif
#ifdef SR2201
/*
* Experimental use of the Hitachi mpp based on HP-precision derived CPUs
*/
# define IMPNAME "SR2201"
# define UNIX 1
# define PIPES 1
# define UNIX_TIMES 100
# define BSD_LIB 1
/*
* USE_PVM guards extra capability for the Lisp so that it can use PVM
* to provide a parallel Lisp environment, at least in a crude way.
*/
# define USE_PVM 1
#endif
#ifdef __clipper
# define IMPNAME "Clipper"
# define UNIX 1
# define NCC_LIB 1
#endif
#ifdef __bsdos__
# define IMPNAME "BSD/OS 2.1"
# define UNIX 1
# define UNIX_TIMES 60
# define PIPES 1
# define BSD_LIB 1
# define IMULTIPLY 1
# define IDIVIDE 1
#endif
#ifdef __CYGWIN32__
# define IMPNAME "CygWin32"
# define OPSYS "cygwin32"
# define NATIVE_CODE_TAG 9
# define UNIX 1 /* Well not really, but close enough! */
# define PIPES 1
# define BSD_LIB 1
#endif
#ifdef __linux__
# define IMPNAME "Linux"
/*
* WARNING - I ought to filter the next line on Intel archirecture,
* since otherwise it will cause trouble on other variants on Linux!
*/
# define NATIVE_CODE_TAG 4 /* Linux, Intel, Pentium conventions */
# define UNIX 1
# define PIPES 1
# define BSD_LIB 1
#endif
#ifdef __hp9000s300
# define IMPNAME "HP/9000.300"
# define WANT_POSIX 1
/*
* HP Unix has a few features that I need to support in sysunix.c
*/
# define HP_UNIX 1
/*
* More (HP-specific) magic that arranges that the standard headers
* provide XOPEN support.
*/
# ifndef _INCLUDE_XOPEN_SOURCE
# define _INCLUDE_XOPEN_SOURCE 1
# endif
# define PIPES 1
# define UNIX_TIMES CLK_TCK
# define UNIX 1
# define BSD_LIB 1
#endif
#ifdef __hp9000s800
# define IMPNAME "HP/9000.800"
# define WANT_POSIX 1
# define HP_UNIX 1
# define _INCLUDE_XOPEN_SOURCE 1
# define PIPES 1
# define UNIX_TIMES CLK_TCK
# define UNIX 1
# define BSD_LIB 1
#endif
#ifdef __APOLLO__
# define IMPNAME "Apollo"
# define UNIX_TIMES 60
# define UNIX 1
# define BSD_LIB 1
# define PIPES 1
/*
* I define OUT_OF_LINE here to reduce stress on a C compiler that has in the
* past given some trouble.
*/
# define OUT_OF_LINE 1
#endif
#ifdef __ibm370
/*
* Note that I have not tested CSL on this target yet... and image files etc
* will not be compatible from ASCII to EBCDIC machines.
*/
# define IMPNAME "S/370"
# define OPSYS "mvs"
# define HELP_SYSTEM 1
# undef SOCKETS
#endif
#ifdef __m88k__
# define IMPNAME "mc88000"
# define UNIX_TIMES 60
# define UNIX 1
# define BSD_LIB 1
# define PIPES 1
#endif
/* GNU C defines __GNUC__ */
/* SPARCCompiler defines __SUNPRO_C */
#if defined(__sparc) || defined(__sparc__)
# if defined(__SUNPRO_C)
# define IMPNAME "SPARC-SUNPRO"
# define NATIVE_CODE_TAG 5
# elif defined(__GNUC__)
# define IMPNAME "SPARC-GCC"
/*
* It may be that SPARC and the 2 C compilers mentioned here both use
* identical code, so I could give them the same tag. But equally I might
* need to refine things to cope with the difference between the baseline
* sparc architecture and the ultra-sparc (etc) variants.
*/
# define NATIVE_CODE_TAG 6
# else
# define IMPNAME "SPARC"
# endif
# define UNIX 1
# define UNIX_TIMES CLK_TCK
# define BSD_LIB 1
# define PIPES 1
#else
/*
* This is the older version of SPARC options.
*/
#if defined __sparc__
# define IMPNAME "SPARC"
# ifdef sun /* For Sparcstation with sub-standard C library */
/* You may need to adjust this for your sun */
typedef char *VoidStar;
#endif
# include <sys/param.h>
# define UNIX_TIMES HZ
# define UNIX 1
# define BSD_LIB 1
# define PIPES 1
#endif
#ifdef __sparc
# define IMPNAME "SPARC"
# define UNIX 1
# define NO_BINARY_FOPEN 1 /* probably not needed */
# ifndef BSD_LIB
# define NCC_LIB 1
# endif
# define PIPES 1
#endif
#endif
#ifdef __kcm /* The ICL "Knowledge Crunching Machine */
# define IMPNAME "KCM"
# define OPSYS "kcm"
# define HELP_SYSTEM 1
# undef SOCKETS
#endif
#ifdef __BORLANDC__
/*
* An experimental build for 32-bit console mode using Borland C 4.0
*/
# define IMPNAME "Borland 4.0"
# define NATIVE_CODE_TAG 7
# define MS_DOS 1
# define OPSYS "msdos"
# define PAGE_BITS SMALL_PAGE_BITS
#ifndef NILSEG_REGISTER
# define NILSEG_EXTERNS 1 /* externs.h */
#endif
# define MAX_HEAPSIZE (2048*MEGABYTE)
# define MAX_BPSSIZE (64*MEGABYTE)
# define TICK_STREAM 1
# define SOFTWARE_TICKS software_ticks
# define INITIAL_SOFTWARE_TICKS 3000
# define SOFTWARE_TICKS_PER_SECOND 40
# define POLL_FOR_ATTN 1
# define NO_HELP_SYSTEM 1
# undef SOCKETS /* It may be that Borland have these */
#endif
#ifdef OLD_OPTIONS_NO_LONGER_SUPPORTED
# undef SOCKETS
/*
* I support MSDOS using Zortech C release 3.0
* This can be used in two modes - one for 80286 systems, and one for
* 386 and 486. When using this option ensure that you have collected
* all available patches and updates from Zortech... DOS16RM is set by
* Zortech C when in 16-bit extended mode.
* Note that the compiler referred to here as "Zortech" is now shipped
* by Symantec, and their current offering is not the one I use when
* building and testing my code. I have no reason to suppose that the
* Symantec C will give problems here, but it is very probable that some
* small changes to the makefile and code will be called for if you use it.
*/
#ifdef DOS16RM /* Intel 80286 family (16 bit mode) */
/* For use with Zortech Mode Z extender */
# define IMPNAME "MSDOS/286"
# define MS_DOS 1
# define ZORTECH_C 1
# define BUFFERED_STDOUT 1
# define NEEDS_CARRIAGE_RETURN 1
# define SIXTEEN_BIT 1
# define PAGE_BITS 16
#ifndef NILSEG_REGISTER
# define NILSEG_EXTERNS 1 /* externs.h */
#endif
# define MAX_HEAPSIZE (2048*MEGABYTE)
# define MAX_BPSSIZE (64*MEGABYTE)
# define OUT_OF_LINE 1
# define TICK_STREAM 1
# define POLL_FOR_ATTN 1
#ifndef SOFTWARE_TICKS
# define SOFTWARE_TICKS software_ticks
#endif
# define INITIAL_SOFTWARE_TICKS 3000
# define SOFTWARE_TICKS_PER_SECOND 40
# define HOLD_BACK_MEMORY 1
# define HELP_SYSTEM 1
#endif
/*
* DOS386 is predefined by Zortech in flat 32-bit mode. I use the
* Flashtek X-32VM DOS extender so that virtual memory is available
* to me, but you could rebuild without that and the code would still
* work.
*/
#ifdef DOS386 /* Zortech 32-bit mode 386 */
# define IMPNAME "MSDOS/386"
# define MS_DOS 1
# define ZORTECH_C 1
# define IMULTIPLY 1
# define IDIVIDE 1
# define PAGE_BITS SMALL_PAGE_BITS
/*
* Selecting the NILSEG_EXTERNS option gives a (roughly 4%) speed-up
* for the 386. Really it is a toss-up whether to use it or not.
*/
#ifndef NILSEG_REGISTER
# define NILSEG_EXTERNS 1 /* externs.h */
#endif
# define MAX_HEAPSIZE (2048*MEGABYTE)
# define MAX_BPSSIZE (64*MEGABYTE)
# define TICK_STREAM 1
# define BUFFERED_STDOUT 1
# define NEEDS_CARRIAGE_RETURN 1
/*
* define OLD_ZORTECH_DOS_EXTENDER if you need to use software ticks.
*/
#ifdef OLD_ZORTECH_DOS_EXTENDER
/*
* If fully asynchronous clock interrupts are too hard or too dangerous
* (and in Zortech 'X' mode they are in January 1992 - pending a bug-fix
* release of the DOS extender) I can provide second best with sem-
* regular polling done totally from within the CSL software. There will
* be both performance loss and a loss of responsiveness - the value that
* the macro SOFTWARE_TICKS is given will allow some control over
* this trade-off, with small values giving better response but lower
* overall speed. The latest Zortech extender I have tried is 3.0r4, which
* needs SOFTWARE_TICKS, but if I use the Flashtek extender I seem to be
* OK. See comments above whereby in recent versions of CSL I can make
* the count here dynamic to tune the rate of clicks a to deliver a
* measure of the number of ticks per second rather than the ration of
* elemental operatiomns within CSL to these clicks.
*/
#ifndef SOFTWARE_TICKS
# define SOFTWARE_TICKS 3000
#endif
#endif
# define POLL_FOR_ATTN 1
# define HELP_SYSTEM 1
#endif
#ifdef GCC386 /* GNU C for DOS */
# define IMPNAME "GCC/386"
# define NATIVE_CODE_TAG 8
# define MS_DOS 1
# define PAGE_BITS SMALL_PAGE_BITS
/*
* Selecting the NILSEG_EXTERNS option gives a (roughly 4%) speed-up
* for the 386. Really it is a toss-up whether to use it or not.
*/
#ifndef NILSEG_REGISTER
# define NILSEG_EXTERNS 1 /* externs.h */
#endif
# define MAX_HEAPSIZE (2048*MEGABYTE)
# define MAX_BPSSIZE (64*MEGABYTE)
# define TICK_STREAM 1
# define BUFFERED_STDOUT 1
# define NEEDS_CARRIAGE_RETURN 1
#ifndef SOFTWARE_TICKS
# define SOFTWARE_TICKS software_ticks
#endif
# define INITIAL_SOFTWARE_TICKS 3000
# define SOFTWARE_TICKS_PER_SECOND 40
# define POLL_FOR_ATTN 1
# define HELP_SYSTEM 1
# define IMULTIPLY 1
# define IDIVIDE 1
# define HUGE_VAL 1.7976931348623167e+308 /* deficient headers */
#endif
#ifdef ATARI /* Lattice C for all STs */
# define IMPNAME "ATARI"
# define OPSYS "atari"
/*
* Identify the C compiler I will use; well I actually use Lattice and Norcroft
*/
# define LATTICE_C 1
# define SIXTEEN_BIT 1 /* Certainly not needed with NCC. Lattice? */
# define HOLD_BACK_MEMORY 1
# define PAGE_BITS SMALL_PAGE_BITS
#ifndef NILSEG_REGISTER
# define NILSEG_EXTERNS 1 /* externs.h */
#endif
# define MAX_HEAPSIZE (2048*MEGABYTE)
# define MAX_BPSSIZE (64*MEGABYTE)
# define TICK_STREAM 1
# define NO_COPYING_GC 1
# define POLL_FOR_ATTN 1
# define HELP_SYSTEM 1
/*
* If I know that addresses returned by malloc() will always have their top
* bit either set or clear I assert ADDRESSES_HAVE_TOP_BIT_SET or _CLEAR.
* Otherwise CSL will discover for itself at run time. I can set _UNKNOWN
* to stress that dynamic discovery is needed.
*/
# define ADDRESSES_HAVE_TOP_BIT_CLEAR 1
#define sqrt(x) atari_sqrt(x)
#define exp(x) atari_exp(x)
#define sin(x) atari_sin(x)
#define cos(x) atari_cos(x)
#define tan(x) atari_tan(x)
#define atan(x) atari_atan(x)
#define asin(x) atari_asin(x)
#define acos(x) atari_acos(x)
#define sinh(x) atari_sinh(x)
#define cosh(x) atari_cosh(x)
#define tanh(x) atari_tanh(x)
#define log(x) atari_log(x)
#define pow(x,y) atari_pow(x,y)
#define frexp(x,y) atari_frexp(x,y)
#define ldexp(x,y) atari_ldexp(x,y)
extern double atari_sqrt(double);
extern double atari_exp(double);
extern double atari_sin(double);
extern double atari_cos(double);
extern double atari_tan(double);
extern double atari_atan(double);
extern double atari_asin(double);
extern double atari_acos(double);
extern double atari_sinh(double);
extern double atari_cosh(double);
extern double atari_tanh(double);
extern double atari_log(double);
extern double atari_pow(double,double);
extern double atari_frexp(double, int*);
extern double atari_ldexp(double,int);
#endif
#else
/*
* But having withdrawn support I will arrange that if anybody tries to use
* the old code they get a diagnostic. There remains a reasonable chance that
* by altering this file and making a modest number of system-specific
* patches elsewhere (notably in sysxxx.c and its associates) the system
* could be revived. And if there is substantial demand I may try that
* myself, provided I can gain access to a suitable computer.
*/
#ifdef DOS16RM /* Intel 80286 family (16 bit mode) */
#error This compiler/computer is not lonnger supported by CSL
#endif
#ifdef DOS386 /* Zortech 32-bit mode 386 */
#error This compiler/computer is not lonnger supported by CSL
#endif
#ifdef GCC386 /* GNU C for DOS */
#error This compiler/computer is not lonnger supported by CSL
#endif
#ifdef ATARI /* Lattice C for all STs */
#error This compiler/computer is not lonnger supported by CSL
#endif
#endif /* OLD_OPTIONS_NO_LONGER_SUPPORTED */
/*
* Now to make things easier for experimentation I will set some defaults
* for the name of the implementation and the style of operating system
* in use.
*/
#ifndef IMPNAME
# define IMPNAME "Generic"
#endif
#ifndef OPSYS
# define UNIX 1
#endif
#ifdef UNIX
# ifndef OPSYS
# define OPSYS "unix"
# endif
# ifndef HELP_SYSTEM
# define HELP_SYSTEM 1
# endif
# ifndef ADDRESS_SIGN_UNKNOWN
# ifndef ADDRESSES_HAVE_TOP_BIT_SET
# define ADDRESSES_HAVE_TOP_BIT_CLEAR 1
# endif
# endif
#endif
/*----------------------------------------------------------------------*/
#ifdef WANT_POSIX
# ifndef _POSIX_SOURCE
# define _POSIX_SOURCE 1
# define _INCLUDE_POSIX_SOURCE 1
# endif
#endif
#ifdef WINDOW_SYSTEM
# ifndef BUFFERED_STDOUT
# define BUFFERED_STDOUT 1
# endif
#endif
#ifndef NATIVE_CODE_TAG
# define NATIVE_CODE_TAG 0 /* Native code not available */
#endif
#ifndef _cplusplus
/*
* If I am compiling with a C++ compiler then setjmp is a BAD thing to
* use, but there are "better" exception handling facilities. If you are
* going to link the code here with any C++ class libraries (say that
* look after graphical user interfaces) it might make sense to compile
* everything in C++ mode just to be on the safe side. With some C++
* compilers the conflict between setjmp and try/catch seems to be
* pretty extreme. In some cases it may even extend to the whole
* application failing to link.
*/
#include <setjmp.h>
#endif
#include <time.h> /* so I can declare base_time etc as clock_t */
#ifdef MS_C
/*
* If I use something other than __cdecl as the default calling convention
* with Microsoft C I need to stick in a qualifier for some of my functions
* where the standard calling model is needed. Eg signal handler fns. For
* compilers other than the Microsoft one I do not need qualifiers at all.
*/
# define MS_CDECL __cdecl
#else
# define MS_CDECL
#endif
/*
* When building for use with Windows (Win32 or Win32s) I will make most
* entrypoints available if the whole package is linked as a DLL. At least
* I do that if building with Microsoft C - with Watcom I need to do more
* work first to understand how to make that option work.
*/
#ifdef BUILDING_DLL
#define DLLexport __declspec(dllexport)
#else
#define DLLexport
#endif
/*
* Several C compilers that I have come across follow an ANSI draft that
* called the clock quantum CLK_TCK, while in the final standard it
* is CLOCKS_PER_SEC. Attempt to patch things up. If even CLK_TCK is not
* defined I would rather you gave me a value using -DCLOCKS_PER_SEC, or
* maybe in a machine-specific #ifdef... but I still try at least SOMETHING.
*
* In similar style, some sets of supposedly standard header files fail to
* define EXIT_SUCCESS, EXIT_FAILURE or SEEK_SET. I attempt to patch things
* up here, but really it would be better to get the host C compiler mended.
*/
#ifndef CLK_TCK
# define CLK_TCK 60 /* Utterly spurious value - I know no better */
#endif
#ifndef CLOCKS_PER_SEC
# define CLOCKS_PER_SEC (CLK_TCK)
#endif
#ifndef EXIT_SUCCESS
# define EXIT_SUCCESS 0
#endif
#ifndef EXIT_FAILURE
# define EXIT_FAILURE 1
#endif
# ifndef SEEK_SET
# define SEEK_SET 0
# endif
# ifndef SEEK_END
# define SEEK_END 2
# endif
#ifdef INITIAL_SOFTWARE_TICKS
# ifndef SOFTWARE_TICKE_PER_SECOND
# define SOFTWARE_TICKS_PER_SECOND 40
# endif
#endif
#ifdef SOFTWARE_TICKS_PER_SECOND
# ifndef INITIAL_SOFTWARE_TICKS
# define INITIAL_SOFTWARE_TICKS 3000
# endif
#endif
#endif /* header_machine_h */
/* end machine.h */