1: \ ASSEMBLER, CODE etc.
2:
3: \ Copyright (C) 1995,1996,1997,1999,2003 Free Software Foundation, Inc.
4:
5: \ This file is part of Gforth.
6:
7: \ Gforth is free software; you can redistribute it and/or
8: \ modify it under the terms of the GNU General Public License
9: \ as published by the Free Software Foundation; either version 2
10: \ of the License, or (at your option) any later version.
11:
12: \ This program is distributed in the hope that it will be useful,
13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: \ GNU General Public License for more details.
16:
17: \ You should have received a copy of the GNU General Public License
18: \ along with this program; if not, write to the Free Software
19: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
20:
21: \ does not include the actual assembler (which is machine-dependent),
22: \ only words like CODE that are implementation-dependent, but can be
23: \ defined for all machines.
24:
25: vocabulary assembler ( -- ) \ tools-ext
26:
27: : init-asm ( -- ) \ gforth
28: also assembler ;
29:
30: : code ( "name" -- colon-sys ) \ tools-ext
31: \ start a native code definition
32: header
33: here >body cfa,
34: defstart init-asm ;
35:
36: : (;code) ( -- ) \ gforth
37: \ execution semantics of @code{;code}
38: r> latestxt code-address! ;
39:
40: :noname ( -- colon-sys )
41: align here latestxt code-address!
42: defstart init-asm ;
43: :noname ( colon-sys1 -- colon-sys2 ) \ tools-ext semicolon-code
44: ( create the [;code] part of a low level defining word )
45: ;-hook postpone (;code) basic-block-end finish-code ?struc postpone [
46: defstart init-asm ;
47: interpret/compile: ;code ( compilation. colon-sys1 -- colon-sys2 ) \ tools-ext semicolon-code
48:
49: : end-code ( colon-sys -- ) \ gforth end_code
50: ( end a code definition )
51: latestxt here over - flush-icache
52: previous ?struc reveal ;
53:
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