1 #ifdef USE_PRAGMA_IDENT_HDR
2 #pragma ident "@(#)relocInfo.hpp 1.87 07/06/19 09:08:11 JVM"
3 #endif
4 /*
5 * Copyright 1997-2006 Sun Microsystems, Inc. All Rights Reserved.
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
7 *
8 * This code is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License version 2 only, as
10 * published by the Free Software Foundation.
11 *
12 * This code is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 * version 2 for more details (a copy is included in the LICENSE file that
16 * accompanied this code).
17 *
18 * You should have received a copy of the GNU General Public License version
19 * 2 along with this work; if not, write to the Free Software Foundation,
20 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
21 *
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
24 * have any questions.
25 *
1186
1187 section_word_Relocation(address target, int section) {
1188 assert(target != NULL, "must not be null");
1189 assert(section >= 0, "must be a valid section");
1190 _target = target;
1191 _section = section;
1192 }
1193
1194 //void pack_data_to -- inherited
1195 void unpack_data();
1196
1197 private:
1198 friend class RelocIterator;
1199 section_word_Relocation() { }
1200 };
1201
1202
1203 class poll_Relocation : public Relocation {
1204 bool is_data() { return true; }
1205 relocInfo::relocType type() { return relocInfo::poll_type; }
1206 };
1207
1208 class poll_return_Relocation : public Relocation {
1209 bool is_data() { return true; }
1210 relocInfo::relocType type() { return relocInfo::poll_return_type; }
1211 };
1212
1213
1214 class breakpoint_Relocation : public Relocation {
1215 relocInfo::relocType type() { return relocInfo::breakpoint_type; }
1216
1217 enum {
1218 // attributes which affect the interpretation of the data:
1219 removable_attr = 0x0010, // buffer [i...] allows for undoing the trap
1220 internal_attr = 0x0020, // the target is an internal addr (local stub)
1221 settable_attr = 0x0040, // the target is settable
1222
1223 // states which can change over time:
1224 enabled_state = 0x0100, // breakpoint must be active in running code
1225 active_state = 0x0200, // breakpoint instruction actually in code
1226
1227 kind_mask = 0x000F, // mask for extracting kind
1228 high_bit = 0x4000 // extra bit which is always set
1229 };
1230
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1 #ifdef USE_PRAGMA_IDENT_HDR
2 #pragma ident "@(#)relocInfo.hpp 1.87 07/06/19 09:08:11 JVM"
3 #endif
4 /*
5 * Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved.
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
7 *
8 * This code is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License version 2 only, as
10 * published by the Free Software Foundation.
11 *
12 * This code is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 * version 2 for more details (a copy is included in the LICENSE file that
16 * accompanied this code).
17 *
18 * You should have received a copy of the GNU General Public License version
19 * 2 along with this work; if not, write to the Free Software Foundation,
20 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
21 *
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
24 * have any questions.
25 *
1186
1187 section_word_Relocation(address target, int section) {
1188 assert(target != NULL, "must not be null");
1189 assert(section >= 0, "must be a valid section");
1190 _target = target;
1191 _section = section;
1192 }
1193
1194 //void pack_data_to -- inherited
1195 void unpack_data();
1196
1197 private:
1198 friend class RelocIterator;
1199 section_word_Relocation() { }
1200 };
1201
1202
1203 class poll_Relocation : public Relocation {
1204 bool is_data() { return true; }
1205 relocInfo::relocType type() { return relocInfo::poll_type; }
1206 void fix_relocation_after_move(const CodeBuffer* src, CodeBuffer* dest);
1207 };
1208
1209 class poll_return_Relocation : public Relocation {
1210 bool is_data() { return true; }
1211 relocInfo::relocType type() { return relocInfo::poll_return_type; }
1212 void fix_relocation_after_move(const CodeBuffer* src, CodeBuffer* dest);
1213 };
1214
1215
1216 class breakpoint_Relocation : public Relocation {
1217 relocInfo::relocType type() { return relocInfo::breakpoint_type; }
1218
1219 enum {
1220 // attributes which affect the interpretation of the data:
1221 removable_attr = 0x0010, // buffer [i...] allows for undoing the trap
1222 internal_attr = 0x0020, // the target is an internal addr (local stub)
1223 settable_attr = 0x0040, // the target is settable
1224
1225 // states which can change over time:
1226 enabled_state = 0x0100, // breakpoint must be active in running code
1227 active_state = 0x0200, // breakpoint instruction actually in code
1228
1229 kind_mask = 0x000F, // mask for extracting kind
1230 high_bit = 0x4000 // extra bit which is always set
1231 };
1232
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