1 /******************************** -*- C -*- **************************** 2 * 3 * Translator to native code declarations. 4 * 5 * 6 ***********************************************************************/ 7 8 /*********************************************************************** 9 * 10 * Copyright 2001, 2002, 2006 Free Software Foundation, Inc. 11 * Written by Paolo Bonzini. 12 * 13 * This file is part of GNU Smalltalk. 14 * 15 * GNU Smalltalk is free software; you can redistribute it and/or modify it 16 * under the terms of the GNU General Public License as published by the Free 17 * Software Foundation; either version 2, or (at your option) any later 18 * version. 19 * 20 * Linking GNU Smalltalk statically or dynamically with other modules is 21 * making a combined work based on GNU Smalltalk. Thus, the terms and 22 * conditions of the GNU General Public License cover the whole 23 * combination. 24 * 25 * In addition, as a special exception, the Free Software Foundation 26 * give you permission to combine GNU Smalltalk with free software 27 * programs or libraries that are released under the GNU LGPL and with 28 * independent programs running under the GNU Smalltalk virtual machine. 29 * 30 * You may copy and distribute such a system following the terms of the 31 * GNU GPL for GNU Smalltalk and the licenses of the other code 32 * concerned, provided that you include the source code of that other 33 * code when and as the GNU GPL requires distribution of source code. 34 * 35 * Note that people who make modified versions of GNU Smalltalk are not 36 * obligated to grant this special exception for their modified 37 * versions; it is their choice whether to do so. The GNU General 38 * Public License gives permission to release a modified version without 39 * this exception; this exception also makes it possible to release a 40 * modified version which carries forward this exception. 41 * 42 * GNU Smalltalk is distributed in the hope that it will be useful, but WITHOUT 43 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 44 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 45 * more details. 46 * 47 * You should have received a copy of the GNU General Public License along with 48 * GNU Smalltalk; see the file COPYING. If not, write to the Free Software 49 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 50 * 51 ***********************************************************************/ 52 53 #ifndef GST_XLAT_H 54 #define GST_XLAT_H 55 56 57 #ifdef ENABLE_JIT_TRANSLATION 58 59 struct inline_cache; 60 struct ip_map; 61 typedef struct method_entry 62 { 63 struct method_entry *next; 64 OOP methodOOP; 65 OOP receiverClass; 66 struct inline_cache *inlineCaches; 67 struct ip_map *ipMap; 68 int nativeCode[1]; /* type chosen randomly */ 69 } 70 method_entry; 71 72 extern void _gst_reset_inline_caches () 73 ATTRIBUTE_HIDDEN; 74 75 extern PTR _gst_get_native_code (OOP methodOOP, 76 OOP receiverClass) 77 ATTRIBUTE_HIDDEN; 78 79 extern PTR _gst_map_virtual_ip (OOP methodOOP, 80 OOP receiverClass, 81 int ip) 82 ATTRIBUTE_HIDDEN; 83 84 extern void _gst_free_released_native_code (void) 85 ATTRIBUTE_HIDDEN; 86 extern void _gst_release_native_code (OOP methodOOP) 87 ATTRIBUTE_HIDDEN; 88 extern void _gst_discard_native_code (OOP methodOOP) 89 ATTRIBUTE_HIDDEN; 90 extern void _gst_init_translator (void) 91 ATTRIBUTE_HIDDEN; 92 93 extern PTR (*_gst_run_native_code) () 94 ATTRIBUTE_HIDDEN; 95 96 extern PTR (*_gst_return_from_native_code) () 97 ATTRIBUTE_HIDDEN; 98 99 #define GET_METHOD_ENTRY(nativeCodeStart) ((method_entry *) ( \ 100 ((char *) nativeCodeStart) - (sizeof(method_entry) - sizeof(int)) )) 101 102 #define IS_VALID_IP(nativeCodeStart) \ 103 ((nativeCodeStart) && GET_METHOD_ENTRY((nativeCodeStart))->receiverClass) 104 105 #endif /* ENABLE_JIT_TRANSLATION */ 106 107 #endif /* GST_XLAT_H */ 108