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comparison src/cpu/zero/vm/stack_zero.cpp @ 1505:0c5b3cf3c1f5

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6939182: Zero JNI handles fix Summary: Zero will exit with an error when invoked with -Xcheck:jni. Reviewed-by: twisti, kamg Contributed-by: Gary Benson <gbenson@redhat.com>
author twisti
date Fri, 30 Apr 2010 04:27:25 -0700
parents aa9c266de52a
children 348346af6676
comparison
equal deleted inserted replaced
1504:ae8f909e5fc7 1505:0c5b3cf3c1f5
30 JavaThread *thread = (JavaThread *) THREAD; 30 JavaThread *thread = (JavaThread *) THREAD;
31 31
32 // Set up the frame anchor if it isn't already 32 // Set up the frame anchor if it isn't already
33 bool has_last_Java_frame = thread->has_last_Java_frame(); 33 bool has_last_Java_frame = thread->has_last_Java_frame();
34 if (!has_last_Java_frame) { 34 if (!has_last_Java_frame) {
35 intptr_t *sp = thread->zero_stack()->sp();
35 ZeroFrame *frame = thread->top_zero_frame(); 36 ZeroFrame *frame = thread->top_zero_frame();
36 while (frame) { 37 while (frame) {
37 if (frame->is_shark_frame()) 38 if (frame->is_shark_frame())
38 break; 39 break;
39 40
42 frame->as_interpreter_frame()->interpreter_state(); 43 frame->as_interpreter_frame()->interpreter_state();
43 if (istate->self_link() == istate) 44 if (istate->self_link() == istate)
44 break; 45 break;
45 } 46 }
46 47
48 sp = ((intptr_t *) frame) + 1;
47 frame = frame->next(); 49 frame = frame->next();
48 } 50 }
49 51
50 if (frame == NULL) 52 if (frame == NULL)
51 fatal("unrecoverable stack overflow"); 53 fatal("unrecoverable stack overflow");
52 54
53 thread->set_last_Java_frame(frame); 55 thread->set_last_Java_frame(frame, sp);
54 } 56 }
55 57
56 // Throw the exception 58 // Throw the exception
57 switch (thread->thread_state()) { 59 switch (thread->thread_state()) {
58 case _thread_in_Java: 60 case _thread_in_Java:
69 71
70 // Reset the frame anchor if necessary 72 // Reset the frame anchor if necessary
71 if (!has_last_Java_frame) 73 if (!has_last_Java_frame)
72 thread->reset_last_Java_frame(); 74 thread->reset_last_Java_frame();
73 } 75 }
76
77 #ifndef PRODUCT
78 void ZeroStack::zap(int c) {
79 memset(_base, c, available_words() * wordSize);
80 }
81 #endif // PRODUCT