version 1.6, 2003/03/09 15:16:50
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version 1.29, 2008/07/29 15:55:26
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\ lib.fs shared library support package 11may97py |
\ lib.fs shared library support package 11may97py |
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\ Copyright (C) 1995,1996,1997,1998,2000 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998,2000,2003,2005,2006,2007,2008 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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\ 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. |
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\ This program is distributed in the hope that it will be useful, |
\ This program is distributed in the hope that it will be useful, |
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\ GNU General Public License for more details. |
\ GNU General Public License for more details. |
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\ 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., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
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Create icall-table |
s" libffi.so" open-lib [if] |
] icall0 ;s icall1 ;s icall2 ;s icall3 ;s icall4 ;s icall5 ;s icall6 ;s |
.( including libffi.fs ) |
NIL swap NIL swap NIL swap NIL swap NIL swap NIL swap NIL swap |
include libffi.fs |
NIL swap NIL swap NIL swap NIL swap NIL swap NIL swap icall20 ;s [ |
[ELSE] |
Create fcall-table |
s" libavcall.so" open-lib 0<> |
] fcall0 ;s fcall1 ;s fcall2 ;s fcall3 ;s fcall4 ;s fcall5 ;s fcall6 ;s |
s" libcallback.so" open-lib 0<> and [if] |
NIL swap NIL swap NIL swap NIL swap NIL swap NIL swap NIL swap |
.( including fflib.fs [ffcall] ) |
NIL swap NIL swap NIL swap NIL swap NIL swap NIL swap fcall20 ;s [ |
include fflib.fs |
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[ELSE] |
Variable libs 0 libs ! |
.( Neither libffi nor ffcall are available ) cr |
\G links between libraries |
abort |
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.( Using oldlib.fs; incompatible with fflib.fs and libffi.fs) cr |
: @lib ( lib -- ) |
include oldlib.fs |
\G obtains library handle |
[THEN] |
cell+ dup 2 cells + count open-lib |
[THEN] |
dup 0= abort" Library not found" swap ! ; |
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\ testing stuff |
: @proc ( lib addr -- ) |
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\G obtains symbol address |
[IFUNDEF] libc |
cell+ tuck 2 cells + count rot cell+ @ |
s" os-type" environment? [IF] |
lib-sym dup 0= abort" Proc not found!" swap cell+ ! ; |
2dup s" linux-gnu" str= [IF] 2drop |
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cell 8 = [IF] |
: proc, ( pars type lib addr -- ) |
library libc /lib64/libc.so.6 |
\G allocates and initializes proc stub |
[ELSE] |
\G stub format: |
library libc /lib/libc.so.6 |
\G linked list in library |
[THEN] |
\G address of proc |
[ELSE] 2dup s" cygwin" str= [IF] 2drop |
\G offset in lcall1-table to call proc |
library libc cygwin1.dll |
\G OS name of symbol as counted string |
[ELSE] 2dup s" bsd" search nip nip [IF] 2drop |
here 2dup swap 2 cells + dup @ A, ! |
library libc libc.so |
2swap 1 and IF fcall-table ELSE icall-table THEN swap |
[ELSE] 2dup s" darwin" string-prefix? [IF] 2drop |
cells 2* + , 0 , bl sword string, @proc ; |
library libc libc.dylib |
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[ELSE] 2drop \ or add your stuff here |
-1 Constant (addr) |
[THEN] |
0 Constant (int) |
[THEN] |
1 Constant (float) |
[THEN] |
2 Constant (void) |
[THEN] |
4 Constant (int...) |
[THEN] |
5 Constant (float...) |
[THEN] |
6 Constant (void...) |
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[ifdef] testing |
: proc: ( pars type lib "name" "string" -- ) |
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\G Creates a named proc stub |
library libc libc.so.6 |
Create proc, |
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DOES> ( x1 .. xn -- r ) |
libc sleep int (int) sleep |
cell+ 2@ >r ; |
libc open ptr int int (int) open |
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libc lseek int llong int (llong) lseek64 |
: vaproc: ( pars type lib "name" "string" -- ) |
libc read int ptr int (int) read |
\G Creates a named proc stub with variable arguments |
libc close int (int) close |
Create proc, |
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DOES> ( x1 .. xn n -- r ) |
library libm libm.so.6 |
cell+ 2@ rot 2* cells + >r ; |
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libm fmodf sf sf (sf) fmodf |
: (>void) >r ; |
libm fmod df df (fp) fmod |
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: vproc: ( pars type lib "name" "string" -- ) |
\ example for a windows callback |
\G Creates a named proc stub for void functions |
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Create proc, |
callback wincall (int) int int int int callback; |
DOES> ( x1 .. xn -- ) |
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cell+ 2@ (>void) drop ; |
:noname ( a b c d -- e ) 2drop 2drop 0 ; wincall do_timer |
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: vvaproc: ( pars type lib "name" "string" -- ) |
\ test a callback |
\G Creates a named proc stub with variable arguments, void return |
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Create proc, |
callback 2:1 (int) int int callback; |
DOES> ( x1 .. xn n -- ) |
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cell+ 2@ rot 2* cells + (>void) drop ; |
: cb-test ( a b -- c ) |
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cr ." Testing callback" |
: label: ( type lib "name" "string" -- ) |
cr ." arguments: " .s |
\G Creates a named label stub |
cr ." result " + .s cr ; |
-1 -rot Create proc, |
' cb-test 2:1 c_plus |
DOES> ( -- addr ) |
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[ 2 cells ] Literal + @ ; |
fptr 2:1call int int (int) |
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: library ( "name" "file" -- ) |
: test c_plus 2:1call ; |
\G loads library "file" and creates a proc defining word "name" |
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\G library format: |
\ 3 4 test |
\G linked list of libraries |
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\G library handle |
\ bigFORTH legacy library test |
\G linked list of library's procs |
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\G OS name of library as counted string |
library libX11 libX11.so.6 |
Create here libs @ A, dup libs ! |
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0 , 0 A, bl sword 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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: init-shared-libs ( -- ) |
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defers 'cold libs |
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0 libs BEGIN @ dup WHILE dup REPEAT drop |
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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 rdrop |
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REPEAT drop ; |
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' init-shared-libs IS 'cold |
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] |