--- a/hotspot/src/cpu/zero/vm/cppInterpreter_zero.cpp Wed Nov 25 09:03:42 2009 -0500
+++ b/hotspot/src/cpu/zero/vm/cppInterpreter_zero.cpp Tue Dec 01 14:49:41 2009 -0800
@@ -204,6 +204,20 @@
goto unwind_and_return;
}
+ // Update the invocation counter
+ if ((UseCompiler || CountCompiledCalls) && !method->is_synchronized()) {
+ thread->set_do_not_unlock();
+ InvocationCounter *counter = method->invocation_counter();
+ counter->increment();
+ if (counter->reached_InvocationLimit()) {
+ CALL_VM_NOCHECK(
+ InterpreterRuntime::frequency_counter_overflow(thread, NULL));
+ if (HAS_PENDING_EXCEPTION)
+ goto unwind_and_return;
+ }
+ thread->clr_do_not_unlock();
+ }
+
// Lock if necessary
BasicObjectLock *monitor;
monitor = NULL;
--- a/hotspot/src/cpu/zero/vm/frame_zero.cpp Wed Nov 25 09:03:42 2009 -0500
+++ b/hotspot/src/cpu/zero/vm/frame_zero.cpp Tue Dec 01 14:49:41 2009 -0800
@@ -36,11 +36,8 @@
return zeroframe()->is_interpreter_frame();
}
-bool frame::is_fake_stub_frame() const {
- return zeroframe()->is_fake_stub_frame();
-}
-
frame frame::sender_for_entry_frame(RegisterMap *map) const {
+ assert(zeroframe()->is_entry_frame(), "wrong type of frame");
assert(map != NULL, "map must be set");
assert(!entry_frame_is_first(), "next Java fp must be non zero");
assert(entry_frame_call_wrapper()->anchor()->last_Java_sp() == sender_sp(),
@@ -50,15 +47,10 @@
return frame(sender_sp(), sp() + 1);
}
-frame frame::sender_for_interpreter_frame(RegisterMap *map) const {
- return frame(sender_sp(), sp() + 1);
-}
-
-frame frame::sender_for_compiled_frame(RegisterMap *map) const {
- return frame(sender_sp(), sp() + 1);
-}
-
-frame frame::sender_for_fake_stub_frame(RegisterMap *map) const {
+frame frame::sender_for_nonentry_frame(RegisterMap *map) const {
+ assert(zeroframe()->is_interpreter_frame() ||
+ zeroframe()->is_shark_frame() ||
+ zeroframe()->is_fake_stub_frame(), "wrong type of frame");
return frame(sender_sp(), sp() + 1);
}
@@ -69,17 +61,8 @@
if (is_entry_frame())
return sender_for_entry_frame(map);
-
- if (is_interpreted_frame())
- return sender_for_interpreter_frame(map);
-
- if (is_compiled_frame())
- return sender_for_compiled_frame(map);
-
- if (is_fake_stub_frame())
- return sender_for_fake_stub_frame(map);
-
- ShouldNotReachHere();
+ else
+ return sender_for_nonentry_frame(map);
}
#ifdef CC_INTERP
--- a/hotspot/src/cpu/zero/vm/frame_zero.hpp Wed Nov 25 09:03:42 2009 -0500
+++ b/hotspot/src/cpu/zero/vm/frame_zero.hpp Tue Dec 01 14:49:41 2009 -0800
@@ -65,10 +65,7 @@
}
public:
- bool is_fake_stub_frame() const;
-
- public:
- frame sender_for_fake_stub_frame(RegisterMap* map) const;
+ frame sender_for_nonentry_frame(RegisterMap* map) const;
public:
void zero_print_on_error(int index,
--- a/hotspot/src/cpu/zero/vm/globals_zero.hpp Wed Nov 25 09:03:42 2009 -0500
+++ b/hotspot/src/cpu/zero/vm/globals_zero.hpp Tue Dec 01 14:49:41 2009 -0800
@@ -36,7 +36,6 @@
define_pd_global(intx, CodeEntryAlignment, 32);
define_pd_global(intx, InlineFrequencyCount, 100);
-define_pd_global(intx, InlineSmallCode, 1000);
define_pd_global(intx, PreInflateSpin, 10);
define_pd_global(intx, StackYellowPages, 2);
--- a/hotspot/src/cpu/zero/vm/sharedRuntime_zero.cpp Wed Nov 25 09:03:42 2009 -0500
+++ b/hotspot/src/cpu/zero/vm/sharedRuntime_zero.cpp Tue Dec 01 14:49:41 2009 -0800
@@ -1,6 +1,6 @@
/*
* Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved.
- * Copyright 2007, 2008 Red Hat, Inc.
+ * Copyright 2007, 2008, 2009 Red Hat, Inc.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -61,7 +61,14 @@
BasicType *in_sig_bt,
VMRegPair *in_regs,
BasicType ret_type) {
+#ifdef SHARK
+ return SharkCompiler::compiler()->generate_native_wrapper(masm,
+ method,
+ in_sig_bt,
+ ret_type);
+#else
ShouldNotCallThis();
+#endif // SHARK
}
int Deoptimization::last_frame_adjust(int callee_parameters,
--- a/hotspot/src/cpu/zero/vm/sharkFrame_zero.hpp Wed Nov 25 09:03:42 2009 -0500
+++ b/hotspot/src/cpu/zero/vm/sharkFrame_zero.hpp Tue Dec 01 14:49:41 2009 -0800
@@ -1,6 +1,6 @@
/*
* Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved.
- * Copyright 2008 Red Hat, Inc.
+ * Copyright 2008, 2009 Red Hat, Inc.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -41,7 +41,7 @@
// | ... |
class SharkFrame : public ZeroFrame {
- friend class SharkFunction;
+ friend class SharkStack;
private:
SharkFrame() : ZeroFrame() {
--- a/hotspot/src/share/vm/interpreter/bytecodeInterpreter.cpp Wed Nov 25 09:03:42 2009 -0500
+++ b/hotspot/src/share/vm/interpreter/bytecodeInterpreter.cpp Tue Dec 01 14:49:41 2009 -0800
@@ -281,7 +281,7 @@
#define DO_BACKEDGE_CHECKS(skip, branch_pc) \
if ((skip) <= 0) { \
- if (UseCompiler && UseLoopCounter) { \
+ if (UseLoopCounter) { \
bool do_OSR = UseOnStackReplacement; \
BACKEDGE_COUNT->increment(); \
if (do_OSR) do_OSR = BACKEDGE_COUNT->reached_InvocationLimit(); \
@@ -289,16 +289,12 @@
nmethod* osr_nmethod; \
OSR_REQUEST(osr_nmethod, branch_pc); \
if (osr_nmethod != NULL && osr_nmethod->osr_entry_bci() != InvalidOSREntryBci) { \
- intptr_t* buf; \
- CALL_VM(buf=SharedRuntime::OSR_migration_begin(THREAD), handle_exception); \
+ intptr_t* buf = SharedRuntime::OSR_migration_begin(THREAD); \
istate->set_msg(do_osr); \
istate->set_osr_buf((address)buf); \
istate->set_osr_entry(osr_nmethod->osr_entry()); \
return; \
} \
- } else { \
- INCR_INVOCATION_COUNT; \
- SAFEPOINT; \
} \
} /* UseCompiler ... */ \
INCR_INVOCATION_COUNT; \
@@ -1281,12 +1277,7 @@
jfloat f;
jdouble r;
f = STACK_FLOAT(-1);
-#ifdef IA64
- // IA64 gcc bug
- r = ( f == 0.0f ) ? (jdouble) f : (jdouble) f + ia64_double_zero;
-#else
r = (jdouble) f;
-#endif
MORE_STACK(-1); // POP
SET_STACK_DOUBLE(r, 1);
UPDATE_PC_AND_TOS_AND_CONTINUE(1, 2);
--- a/hotspot/src/share/vm/prims/jni.cpp Wed Nov 25 09:03:42 2009 -0500
+++ b/hotspot/src/share/vm/prims/jni.cpp Tue Dec 01 14:49:41 2009 -0800
@@ -3231,6 +3231,21 @@
jint result = JNI_ERR;
DT_RETURN_MARK(CreateJavaVM, jint, (const jint&)result);
+ // We're about to use Atomic::xchg for synchronization. Some Zero
+ // platforms use the GCC builtin __sync_lock_test_and_set for this,
+ // but __sync_lock_test_and_set is not guaranteed to do what we want
+ // on all architectures. So we check it works before relying on it.
+#if defined(ZERO) && defined(ASSERT)
+ {
+ jint a = 0xcafebabe;
+ jint b = Atomic::xchg(0xdeadbeef, &a);
+ void *c = &a;
+ void *d = Atomic::xchg_ptr(&b, &c);
+ assert(a == 0xdeadbeef && b == (jint) 0xcafebabe, "Atomic::xchg() works");
+ assert(c == &b && d == &a, "Atomic::xchg_ptr() works");
+ }
+#endif // ZERO && ASSERT
+
// At the moment it's only possible to have one Java VM,
// since some of the runtime state is in global variables.
--- a/hotspot/src/share/vm/prims/jvmtiManageCapabilities.cpp Wed Nov 25 09:03:42 2009 -0500
+++ b/hotspot/src/share/vm/prims/jvmtiManageCapabilities.cpp Tue Dec 01 14:49:41 2009 -0800
@@ -115,8 +115,10 @@
jvmtiCapabilities jc;
memset(&jc, 0, sizeof(jc));
+#ifndef CC_INTERP
jc.can_pop_frame = 1;
jc.can_force_early_return = 1;
+#endif // !CC_INTERP
jc.can_get_source_debug_extension = 1;
jc.can_access_local_variables = 1;
jc.can_maintain_original_method_order = 1;
--- a/hotspot/src/share/vm/runtime/os.hpp Wed Nov 25 09:03:42 2009 -0500
+++ b/hotspot/src/share/vm/runtime/os.hpp Tue Dec 01 14:49:41 2009 -0800
@@ -294,19 +294,16 @@
}
static bool is_memory_serialize_page(JavaThread *thread, address addr) {
- address thr_addr;
if (UseMembar) return false;
- // Calculate thread specific address
+ // Previously this function calculated the exact address of this
+ // thread's serialize page, and checked if the faulting address
+ // was equal. However, some platforms mask off faulting addresses
+ // to the page size, so now we just check that the address is
+ // within the page. This makes the thread argument unnecessary,
+ // but we retain the NULL check to preserve existing behaviour.
if (thread == NULL) return false;
- // TODO-FIXME: some platforms mask off faulting addresses to the base pagesize.
- // Instead of using a test for equality we should probably use something
- // of the form:
- // return ((_mem_serialize_page ^ addr) & -pagesize) == 0
- //
- thr_addr = (address)(((uintptr_t)thread >>
- get_serialize_page_shift_count()) &
- get_serialize_page_mask()) + (uintptr_t)_mem_serialize_page;
- return (thr_addr == addr);
+ address page = (address) _mem_serialize_page;
+ return addr >= page && addr < (page + os::vm_page_size());
}
static void block_on_serialize_page_trap();