23 *
24 */
25
26 #include "precompiled.hpp"
27 #include "runtime/atomic.inline.hpp"
28 #include "runtime/biasedLocking.hpp"
29 #include "runtime/deoptimization.hpp"
30 #include "runtime/thread.hpp"
31 #include "shark/llvmHeaders.hpp"
32 #include "shark/sharkRuntime.hpp"
33 #ifdef TARGET_ARCH_zero
34 # include "stack_zero.inline.hpp"
35 #endif
36
37 using namespace llvm;
38
39 JRT_ENTRY(int, SharkRuntime::find_exception_handler(JavaThread* thread,
40 int* indexes,
41 int num_indexes))
42 constantPoolHandle pool(thread, method(thread)->constants());
43 KlassHandle exc_klass(thread, ((oop) tos_at(thread, 0))->klass());
44
45 for (int i = 0; i < num_indexes; i++) {
46 Klass* tmp = pool->klass_at(indexes[i], CHECK_0);
47 KlassHandle chk_klass(thread, tmp);
48
49 if (exc_klass() == chk_klass())
50 return i;
51
52 if (exc_klass()->is_subtype_of(chk_klass()))
53 return i;
54 }
55
56 return -1;
57 JRT_END
58
59 JRT_ENTRY(void, SharkRuntime::monitorenter(JavaThread* thread,
60 BasicObjectLock* lock))
61 if (PrintBiasedLockingStatistics)
62 Atomic::inc(BiasedLocking::slow_path_entry_count_addr());
63
168 int line))
169 Exceptions::_throw_msg(
170 thread, file, line,
171 vmSymbols::java_lang_ClassCastException(),
172 "");
173 JRT_END
174
175 JRT_ENTRY(void, SharkRuntime::throw_NullPointerException(JavaThread* thread,
176 const char* file,
177 int line))
178 Exceptions::_throw_msg(
179 thread, file, line,
180 vmSymbols::java_lang_NullPointerException(),
181 "");
182 JRT_END
183
184 // Non-VM calls
185 // Nothing in these must ever GC!
186
187 void SharkRuntime::dump(const char *name, intptr_t value) {
188 oop valueOop = (oop) value;
189 tty->print("%s = ", name);
190 if (valueOop->is_oop(true))
191 valueOop->print_on(tty);
192 else if (value >= ' ' && value <= '~')
193 tty->print("'%c' (%d)", value, value);
194 else
195 tty->print("%p", value);
196 tty->print_cr("");
197 }
198
199 bool SharkRuntime::is_subtype_of(Klass* check_klass, Klass* object_klass) {
200 return object_klass->is_subtype_of(check_klass);
201 }
202
203 int SharkRuntime::uncommon_trap(JavaThread* thread, int trap_request) {
204 Thread *THREAD = thread;
205
206 // In C2, uncommon_trap_blob creates a frame, so all the various
207 // deoptimization functions expect to find the frame of the method
208 // being deopted one frame down on the stack. We create a dummy
|
23 *
24 */
25
26 #include "precompiled.hpp"
27 #include "runtime/atomic.inline.hpp"
28 #include "runtime/biasedLocking.hpp"
29 #include "runtime/deoptimization.hpp"
30 #include "runtime/thread.hpp"
31 #include "shark/llvmHeaders.hpp"
32 #include "shark/sharkRuntime.hpp"
33 #ifdef TARGET_ARCH_zero
34 # include "stack_zero.inline.hpp"
35 #endif
36
37 using namespace llvm;
38
39 JRT_ENTRY(int, SharkRuntime::find_exception_handler(JavaThread* thread,
40 int* indexes,
41 int num_indexes))
42 constantPoolHandle pool(thread, method(thread)->constants());
43 KlassHandle exc_klass(thread, (oop((void*) tos_at(thread, 0)))->klass());
44
45 for (int i = 0; i < num_indexes; i++) {
46 Klass* tmp = pool->klass_at(indexes[i], CHECK_0);
47 KlassHandle chk_klass(thread, tmp);
48
49 if (exc_klass() == chk_klass())
50 return i;
51
52 if (exc_klass()->is_subtype_of(chk_klass()))
53 return i;
54 }
55
56 return -1;
57 JRT_END
58
59 JRT_ENTRY(void, SharkRuntime::monitorenter(JavaThread* thread,
60 BasicObjectLock* lock))
61 if (PrintBiasedLockingStatistics)
62 Atomic::inc(BiasedLocking::slow_path_entry_count_addr());
63
168 int line))
169 Exceptions::_throw_msg(
170 thread, file, line,
171 vmSymbols::java_lang_ClassCastException(),
172 "");
173 JRT_END
174
175 JRT_ENTRY(void, SharkRuntime::throw_NullPointerException(JavaThread* thread,
176 const char* file,
177 int line))
178 Exceptions::_throw_msg(
179 thread, file, line,
180 vmSymbols::java_lang_NullPointerException(),
181 "");
182 JRT_END
183
184 // Non-VM calls
185 // Nothing in these must ever GC!
186
187 void SharkRuntime::dump(const char *name, intptr_t value) {
188 oop valueOop = oop((void*) value);
189 tty->print("%s = ", name);
190 if (valueOop->is_oop(true))
191 valueOop->print_on(tty);
192 else if (value >= ' ' && value <= '~')
193 tty->print("'%c' (%d)", value, value);
194 else
195 tty->print("%p", value);
196 tty->print_cr("");
197 }
198
199 bool SharkRuntime::is_subtype_of(Klass* check_klass, Klass* object_klass) {
200 return object_klass->is_subtype_of(check_klass);
201 }
202
203 int SharkRuntime::uncommon_trap(JavaThread* thread, int trap_request) {
204 Thread *THREAD = thread;
205
206 // In C2, uncommon_trap_blob creates a frame, so all the various
207 // deoptimization functions expect to find the frame of the method
208 // being deopted one frame down on the stack. We create a dummy
|