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comparison src/share/vm/runtime/javaCalls.cpp @ 1407:09e7826ecf01

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Can now call to Java code from the VM. Need to specify a JAR file with the classes from the Maxine subprojects C1X, CRI, and HotSpotVM in the bootclasspath. See HotSpotVM/README.txt in the Maxine sources for details.
author Thomas Wuerthinger <thomas.wuerthinger@gmail.com>
date Tue, 11 May 2010 19:24:14 +0200
parents b9fba36710f2
children 6223633ce7dd
comparison
equal deleted inserted replaced
1406:35069ca331f2 1407:09e7826ecf01
32 JavaThread* thread = (JavaThread *)THREAD; 32 JavaThread* thread = (JavaThread *)THREAD;
33 bool clear_pending_exception = true; 33 bool clear_pending_exception = true;
34 34
35 guarantee(thread->is_Java_thread(), "crucial check - the VM thread cannot and must not escape to Java code"); 35 guarantee(thread->is_Java_thread(), "crucial check - the VM thread cannot and must not escape to Java code");
36 assert(!thread->owns_locks(), "must release all locks when leaving VM"); 36 assert(!thread->owns_locks(), "must release all locks when leaving VM");
37 guarantee(!thread->is_Compiler_thread(), "cannot make java calls from the compiler"); 37 // (tw) may we do this?
38 // guarantee(!thread->is_Compiler_thread(), "cannot make java calls from the compiler");
38 _result = result; 39 _result = result;
39 40
40 // Allocate handle block for Java code. This must be done before we change thread_state to _thread_in_Java_or_stub, 41 // Allocate handle block for Java code. This must be done before we change thread_state to _thread_in_Java_or_stub,
41 // since it can potentially block. 42 // since it can potentially block.
42 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread); 43 JNIHandleBlock* new_handles = JNIHandleBlock::allocate_block(thread);
326 assert(instanceKlass::cast(holder)->is_linked(), "rewritting must have taken place"); 327 assert(instanceKlass::cast(holder)->is_linked(), "rewritting must have taken place");
327 } 328 }
328 #endif 329 #endif
329 330
330 331
331 assert(!thread->is_Compiler_thread(), "cannot compile from the compiler"); 332 // (tw) may we do this?
333 //assert(!thread->is_Compiler_thread(), "cannot compile from the compiler");
332 if (CompilationPolicy::mustBeCompiled(method)) { 334 if (CompilationPolicy::mustBeCompiled(method)) {
333 CompileBroker::compile_method(method, InvocationEntryBci, 335 CompileBroker::compile_method(method, InvocationEntryBci,
334 methodHandle(), 0, "mustBeCompiled", CHECK); 336 methodHandle(), 0, "mustBeCompiled", CHECK);
335 } 337 }
336 338