8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "asm/macroAssembler.inline.hpp"
27 #include "code/icBuffer.hpp"
28 #include "gc_interface/collectedHeap.inline.hpp"
29 #include "interpreter/bytecodes.hpp"
30 #include "memory/resourceArea.hpp"
31 #include "nativeInst_sparc.hpp"
32 #include "oops/oop.inline.hpp"
33
34 int InlineCacheBuffer::ic_stub_code_size() {
35 #ifdef _LP64
36 if (TraceJumps) return 600 * wordSize;
37 return (NativeMovConstReg::instruction_size + // sethi;add
38 NativeJump::instruction_size + // sethi; jmp; delay slot
39 (1*BytesPerInstWord) + 1); // flush + 1 extra byte
40 #else
41 if (TraceJumps) return 300 * wordSize;
42 return (2+2+ 1) * wordSize + 1; // set/jump_to/nop + 1 byte so that code_end can be set in CodeBuffer
43 #endif
44 }
45
46 void InlineCacheBuffer::assemble_ic_buffer_code(address code_begin, void* cached_value, address entry_point) {
47 ResourceMark rm;
48 CodeBuffer code(code_begin, ic_stub_code_size());
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8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "asm/macroAssembler.inline.hpp"
27 #include "code/icBuffer.hpp"
28 #include "gc/shared/collectedHeap.inline.hpp"
29 #include "interpreter/bytecodes.hpp"
30 #include "memory/resourceArea.hpp"
31 #include "nativeInst_sparc.hpp"
32 #include "oops/oop.inline.hpp"
33
34 int InlineCacheBuffer::ic_stub_code_size() {
35 #ifdef _LP64
36 if (TraceJumps) return 600 * wordSize;
37 return (NativeMovConstReg::instruction_size + // sethi;add
38 NativeJump::instruction_size + // sethi; jmp; delay slot
39 (1*BytesPerInstWord) + 1); // flush + 1 extra byte
40 #else
41 if (TraceJumps) return 300 * wordSize;
42 return (2+2+ 1) * wordSize + 1; // set/jump_to/nop + 1 byte so that code_end can be set in CodeBuffer
43 #endif
44 }
45
46 void InlineCacheBuffer::assemble_ic_buffer_code(address code_begin, void* cached_value, address entry_point) {
47 ResourceMark rm;
48 CodeBuffer code(code_begin, ic_stub_code_size());
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