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 #ifndef SHARE_VM_COMPILER_COMPILEBROKER_HPP
26 #define SHARE_VM_COMPILER_COMPILEBROKER_HPP
27
28 #include "ci/compilerInterface.hpp"
29 #include "compiler/abstractCompiler.hpp"
30 #include "compiler/compileTask.hpp"
31 #include "runtime/perfData.hpp"
32
33 class nmethod;
34 class nmethodLocker;
35
36 // CompilerCounters
37 //
38 // Per Compiler Performance Counters.
39 //
40 class CompilerCounters : public CHeapObj<mtCompiler> {
41
42 public:
43 enum {
44 cmname_buffer_length = 160
45 };
46
47 private:
48
49 char _current_method[cmname_buffer_length];
50 PerfStringVariable* _perf_current_method;
51
121 void mark_on_stack();
122 void free_all();
123 void print_tty();
124 void print(outputStream* st = tty);
125
126 ~CompileQueue() {
127 assert (is_empty(), " Compile Queue must be empty");
128 }
129 };
130
131 // CompileTaskWrapper
132 //
133 // Assign this task to the current thread. Deallocate the task
134 // when the compilation is complete.
135 class CompileTaskWrapper : StackObj {
136 public:
137 CompileTaskWrapper(CompileTask* task);
138 ~CompileTaskWrapper();
139 };
140
141
142 // Compilation
143 //
144 // The broker for all compilation requests.
145 class CompileBroker: AllStatic {
146 friend class Threads;
147 friend class CompileTaskWrapper;
148
149 public:
150 enum {
151 name_buffer_length = 100
152 };
153
154 // Compile type Information for print_last_compile() and CompilerCounters
155 enum { no_compile, normal_compile, osr_compile, native_compile };
156 static int assign_compile_id (methodHandle method, int osr_bci);
157
158
159 private:
160 static bool _initialized;
161 static volatile bool _should_block;
229 static bool compilation_is_complete (methodHandle method, int osr_bci, int comp_level);
230 static bool compilation_is_prohibited(methodHandle method, int osr_bci, int comp_level);
231 static bool is_compile_blocking();
232 static void preload_classes (methodHandle method, TRAPS);
233
234 static CompileTask* create_compile_task(CompileQueue* queue,
235 int compile_id,
236 methodHandle method,
237 int osr_bci,
238 int comp_level,
239 methodHandle hot_method,
240 int hot_count,
241 const char* comment,
242 bool blocking);
243 static void wait_for_completion(CompileTask* task);
244
245 static void invoke_compiler_on_method(CompileTask* task);
246 static void set_last_compile(CompilerThread *thread, methodHandle method, bool is_osr, int comp_level);
247 static void push_jni_handle_block();
248 static void pop_jni_handle_block();
249 static bool check_break_at(methodHandle method, int compile_id, bool is_osr);
250 static void collect_statistics(CompilerThread* thread, elapsedTimer time, CompileTask* task);
251
252 static void compile_method_base(methodHandle method,
253 int osr_bci,
254 int comp_level,
255 methodHandle hot_method,
256 int hot_count,
257 const char* comment,
258 Thread* thread);
259
260 static CompileQueue* compile_queue(int comp_level);
261 static bool init_compiler_runtime();
262 static void shutdown_compiler_runtime(AbstractCompiler* comp, CompilerThread* thread);
263
264 public:
265 enum {
266 // The entry bci used for non-OSR compilations.
267 standard_entry_bci = InvocationEntryBci
268 };
269
270 static AbstractCompiler* compiler(int comp_level) {
271 if (is_c2_compile(comp_level)) return _compilers[1]; // C2
272 if (is_c1_compile(comp_level)) return _compilers[0]; // C1
273 return NULL;
274 }
275
276 static bool compilation_is_in_queue(methodHandle method);
277 static void print_compile_queues(outputStream* st);
278 static int queue_size(int comp_level) {
279 CompileQueue *q = compile_queue(comp_level);
280 return q != NULL ? q->size() : 0;
281 }
282 static void compilation_init();
283 static void init_compiler_thread_log();
284 static nmethod* compile_method(methodHandle method,
285 int osr_bci,
286 int comp_level,
287 methodHandle hot_method,
288 int hot_count,
289 const char* comment, Thread* thread);
290
291 static void compiler_thread_loop();
292 static uint get_compilation_id() { return _compilation_id; }
293
294 // Set _should_block.
295 // Call this from the VM, with Threads_lock held and a safepoint requested.
296 static void set_should_block();
297
|
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 #ifndef SHARE_VM_COMPILER_COMPILEBROKER_HPP
26 #define SHARE_VM_COMPILER_COMPILEBROKER_HPP
27
28 #include "ci/compilerInterface.hpp"
29 #include "compiler/abstractCompiler.hpp"
30 #include "compiler/compileTask.hpp"
31 #include "compiler/compilerDirectives.hpp"
32 #include "runtime/perfData.hpp"
33 #include "utilities/stack.hpp"
34
35 class nmethod;
36 class nmethodLocker;
37
38 // CompilerCounters
39 //
40 // Per Compiler Performance Counters.
41 //
42 class CompilerCounters : public CHeapObj<mtCompiler> {
43
44 public:
45 enum {
46 cmname_buffer_length = 160
47 };
48
49 private:
50
51 char _current_method[cmname_buffer_length];
52 PerfStringVariable* _perf_current_method;
53
123 void mark_on_stack();
124 void free_all();
125 void print_tty();
126 void print(outputStream* st = tty);
127
128 ~CompileQueue() {
129 assert (is_empty(), " Compile Queue must be empty");
130 }
131 };
132
133 // CompileTaskWrapper
134 //
135 // Assign this task to the current thread. Deallocate the task
136 // when the compilation is complete.
137 class CompileTaskWrapper : StackObj {
138 public:
139 CompileTaskWrapper(CompileTask* task);
140 ~CompileTaskWrapper();
141 };
142
143 // Compilation
144 //
145 // The broker for all compilation requests.
146 class CompileBroker: AllStatic {
147 friend class Threads;
148 friend class CompileTaskWrapper;
149
150 public:
151 enum {
152 name_buffer_length = 100
153 };
154
155 // Compile type Information for print_last_compile() and CompilerCounters
156 enum { no_compile, normal_compile, osr_compile, native_compile };
157 static int assign_compile_id (methodHandle method, int osr_bci);
158
159
160 private:
161 static bool _initialized;
162 static volatile bool _should_block;
230 static bool compilation_is_complete (methodHandle method, int osr_bci, int comp_level);
231 static bool compilation_is_prohibited(methodHandle method, int osr_bci, int comp_level);
232 static bool is_compile_blocking();
233 static void preload_classes (methodHandle method, TRAPS);
234
235 static CompileTask* create_compile_task(CompileQueue* queue,
236 int compile_id,
237 methodHandle method,
238 int osr_bci,
239 int comp_level,
240 methodHandle hot_method,
241 int hot_count,
242 const char* comment,
243 bool blocking);
244 static void wait_for_completion(CompileTask* task);
245
246 static void invoke_compiler_on_method(CompileTask* task);
247 static void set_last_compile(CompilerThread *thread, methodHandle method, bool is_osr, int comp_level);
248 static void push_jni_handle_block();
249 static void pop_jni_handle_block();
250 static void collect_statistics(CompilerThread* thread, elapsedTimer time, CompileTask* task);
251
252 static void compile_method_base(methodHandle method,
253 int osr_bci,
254 int comp_level,
255 methodHandle hot_method,
256 int hot_count,
257 const char* comment,
258 Thread* thread);
259
260 static CompileQueue* compile_queue(int comp_level);
261 static bool init_compiler_runtime();
262 static void shutdown_compiler_runtime(AbstractCompiler* comp, CompilerThread* thread);
263
264 public:
265
266 static DirectivesStack* dirstack();
267 static void set_dirstack(DirectivesStack* stack);
268
269 enum {
270 // The entry bci used for non-OSR compilations.
271 standard_entry_bci = InvocationEntryBci
272 };
273
274 static AbstractCompiler* compiler(int comp_level) {
275 if (is_c2_compile(comp_level)) return _compilers[1]; // C2
276 if (is_c1_compile(comp_level)) return _compilers[0]; // C1
277 return NULL;
278 }
279
280 static bool compilation_is_in_queue(methodHandle method);
281 static void print_compile_queues(outputStream* st);
282 static void print_directives(outputStream* st);
283 static int queue_size(int comp_level) {
284 CompileQueue *q = compile_queue(comp_level);
285 return q != NULL ? q->size() : 0;
286 }
287 static void compilation_init();
288 static void init_compiler_thread_log();
289 static nmethod* compile_method(methodHandle method,
290 int osr_bci,
291 int comp_level,
292 methodHandle hot_method,
293 int hot_count,
294 const char* comment, Thread* thread);
295
296 static void compiler_thread_loop();
297 static uint get_compilation_id() { return _compilation_id; }
298
299 // Set _should_block.
300 // Call this from the VM, with Threads_lock held and a safepoint requested.
301 static void set_should_block();
302
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