| \ lib.fs shared library support package 11may97py |
\ lib.fs shared library support package 11may97py |
| |
|
| \ Copyright (C) 1995-1997 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998,2000,2003,2005,2006,2007,2008 Free Software Foundation, Inc. |
| |
|
| \ This file is part of Gforth. |
\ This file is part of Gforth. |
| |
|
| \ Gforth is free software; you can redistribute it and/or |
\ Gforth is free software; you can redistribute it and/or |
| \ modify it under the terms of the GNU General Public License |
\ modify it under the terms of the GNU General Public License |
| \ as published by the Free Software Foundation; either version 2 |
\ as published by the Free Software Foundation, either version 3 |
| \ of the License, or (at your option) any later version. |
\ of the License, or (at your option) any later version. |
| |
|
| \ This program is distributed in the hope that it will be useful, |
\ This program is distributed in the hope that it will be useful, |
| \ GNU General Public License for more details. |
\ GNU General Public License for more details. |
| |
|
| \ You should have received a copy of the GNU General Public License |
\ You should have received a copy of the GNU General Public License |
| \ along with this program; if not, write to the Free Software |
\ along with this program. If not, see http://www.gnu.org/licenses/. |
| \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
|
| |
|
| Create icall-table |
libffi-present [if] |
| ] icall0 ;s icall1 ;s icall2 ;s icall3 ;s icall4 ;s icall5 ;s icall6 ;s |
require ./libffi.fs |
| NIL swap NIL swap NIL swap NIL swap NIL swap NIL swap NIL swap |
[else] |
| NIL swap NIL swap NIL swap NIL swap NIL swap NIL swap icall20 ;s [ |
ffcall-present [if] |
| Create fcall-table |
require ./fflib.fs |
| ] fcall0 ;s fcall1 ;s fcall2 ;s fcall3 ;s fcall4 ;s fcall5 ;s fcall6 ;s |
[else] |
| NIL swap NIL swap NIL swap NIL swap NIL swap NIL swap NIL swap |
.( Neither libffi nor ffcall are configured ) cr |
| NIL swap NIL swap NIL swap NIL swap NIL swap NIL swap fcall20 ;s [ |
.( If you have installed one of them, you can use libffi.fs or fflib.fs directly ) cr |
| |
.( Or you can just use the new, documented and better, but different, libcc.fs ) cr |
| Variable libs 0 libs ! |
abort |
| \G links between libraries |
[then] |
| |
[then] |
| : @lib ( lib -- ) |
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| \G obtains library handle |
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| cell+ dup 2 cells + count open-lib |
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| dup 0= abort" Library not found" swap ! ; |
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| |
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| : @proc ( lib addr -- ) |
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| \G obtains symbol address |
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| cell+ tuck 2 cells + count rot cell+ @ |
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| lib-sym dup 0= abort" Proc not found!" swap cell+ ! ; |
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| |
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| : proc, ( pars type lib addr -- ) |
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| \G allocates and initializes proc stub |
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| \G stub format: |
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| \G linked list in library |
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| \G address of proc |
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| \G offset in lcall1-table to call proc |
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| \G OS name of symbol as counted string |
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| here 2dup swap 2 cells + dup @ A, ! |
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| 2swap 1 and IF fcall-table ELSE icall-table THEN swap |
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| cells 2* + , 0 , bl parse-word string, @proc ; |
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| |
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| -1 Constant (addr) |
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| 0 Constant (int) |
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| 1 Constant (float) |
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| 2 Constant (void) |
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| 4 Constant (int...) |
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| 5 Constant (float...) |
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| 6 Constant (void...) |
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| : proc: ( pars type lib "name" "string" -- ) |
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| \G Creates a named proc stub |
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| Create proc, |
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| DOES> ( x1 .. xn -- r ) |
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| cell+ 2@ >r ; |
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| |
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| : vaproc: ( pars type lib "name" "string" -- ) |
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| \G Creates a named proc stub with variable arguments |
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| Create proc, |
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| DOES> ( x1 .. xn n -- r ) |
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| cell+ 2@ rot 2* cells + >r ; |
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| |
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| : (>void) >r ; |
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| : vproc: ( pars type lib "name" "string" -- ) |
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| \G Creates a named proc stub for void functions |
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| Create proc, |
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| DOES> ( x1 .. xn -- ) |
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| cell+ 2@ (>void) drop ; |
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| |
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| : vvaproc: ( pars type lib "name" "string" -- ) |
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| \G Creates a named proc stub with variable arguments, void return |
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| Create proc, |
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| DOES> ( x1 .. xn n -- ) |
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| cell+ 2@ rot 2* cells + (>void) drop ; |
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| |
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| : label: ( type lib "name" "string" -- ) |
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| \G Creates a named label stub |
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| -1 -rot Create proc, |
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| DOES> ( -- addr ) |
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| [ 2 cells ] Literal + @ ; |
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| : lib: ( "name" "file" -- ) |
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| \G loads library "file" and creates a proc defining word "name" |
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| \G library format: |
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| \G linked list of libraries |
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| \G library handle |
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| \G linked list of library's procs |
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| \G OS name of library as counted string |
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| Create here libs @ A, dup libs ! |
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| 0 , 0 A, bl parse-word string, @lib |
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| DOES> ( pars/ type -- ) |
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| over -1 = IF label: |
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| ELSE |
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| over 4 and IF |
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| over 2 and IF vvaproc: ELSE vaproc: THEN |
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| ELSE |
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| over 2 and IF vproc: ELSE proc: THEN |
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| THEN |
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| THEN ; |
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| |
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| : init-shared-libs ( -- ) |
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| defers 'cold libs |
|
| BEGIN @ dup WHILE >r |
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| r@ @lib |
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| r@ 2 cells + BEGIN @ dup WHILE r@ over @proc REPEAT |
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| drop r> |
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| REPEAT drop ; |
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|
| ' init-shared-libs IS 'cold |
\ testing stuff |
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\ [IFUNDEF] libc |
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\ s" os-type" environment? [IF] |
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\ 2dup s" linux-gnu" str= [IF] 2drop |
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\ cell 8 = [IF] |
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\ library libc /lib64/libc.so.6 |
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\ [ELSE] |
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\ library libc /lib/libc.so.6 |
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\ [THEN] |
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\ [ELSE] 2dup s" cygwin" str= [IF] 2drop |
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\ library libc cygwin1.dll |
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\ [ELSE] 2dup s" bsd" search nip nip [IF] 2drop |
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\ library libc libc.so |
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\ [ELSE] 2dup s" darwin" string-prefix? [IF] 2drop |
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\ library libc libc.dylib |
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\ [ELSE] 2drop \ or add your stuff here |
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\ [THEN] |
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\ [THEN] |
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\ [THEN] |
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\ [THEN] |
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\ [THEN] |
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\ [THEN] |
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0 [if] |
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library libc libc.so.6 |
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libc sleep int (int) sleep |
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libc open ptr int int (int) open |
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libc lseek int llong int (llong) lseek64 |
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libc read int ptr int (int) read |
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libc close int (int) close |
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library libm libm.so.6 |
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libm fmodf sf sf (sf) fmodf |
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libm fmod df df (fp) fmod |
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\ example for a windows callback |
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callback wincall (int) int int int int callback; |
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:noname ( a b c d -- e ) 2drop 2drop 0 ; wincall do_timer |
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\ test a callback |
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callback 2:1 (int) int int callback; |
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: cb-test ( a b -- c ) |
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cr ." Testing callback" |
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cr ." arguments: " .s |
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cr ." result " + .s cr ; |
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' cb-test 2:1 c_plus |
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fptr 2:1call int int (int) |
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: test c_plus 2:1call ; |
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\ 3 4 test |
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\ bigFORTH legacy library test |
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library libX11 libX11.so.6 |
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legacy on |
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1 libX11 XOpenDisplay XOpenDisplay ( name -- dpy ) |
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5 libX11 XInternAtoms XInternAtoms ( atoms flag count names dpy -- status ) |
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legacy off |
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[then] |
