--- a/hotspot/src/share/vm/ci/ciMethodData.cpp Fri Aug 31 16:39:35 2012 -0700
+++ b/hotspot/src/share/vm/ci/ciMethodData.cpp Sat Sep 01 13:25:18 2012 -0400
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -23,6 +23,7 @@
*/
#include "precompiled.hpp"
+#include "ci/ciMetadata.hpp"
#include "ci/ciMethodData.hpp"
#include "ci/ciUtilities.hpp"
#include "memory/allocation.inline.hpp"
@@ -35,8 +36,8 @@
// ------------------------------------------------------------------
// ciMethodData::ciMethodData
//
-ciMethodData::ciMethodData(methodDataHandle h_md) : ciObject(h_md) {
- assert(h_md() != NULL, "no null method data");
+ciMethodData::ciMethodData(MethodData* md) : ciMetadata(md) {
+ assert(md != NULL, "no null method data");
Copy::zero_to_words((HeapWord*) &_orig, sizeof(_orig) / sizeof(HeapWord));
_data = NULL;
_data_size = 0;
@@ -56,8 +57,8 @@
// ------------------------------------------------------------------
// ciMethodData::ciMethodData
//
-// No methodDataOop.
-ciMethodData::ciMethodData() : ciObject() {
+// No MethodData*.
+ciMethodData::ciMethodData() : ciMetadata(NULL) {
Copy::zero_to_words((HeapWord*) &_orig, sizeof(_orig) / sizeof(HeapWord));
_data = NULL;
_data_size = 0;
@@ -75,7 +76,7 @@
}
void ciMethodData::load_data() {
- methodDataOop mdo = get_methodDataOop();
+ MethodData* mdo = get_MethodData();
if (mdo == NULL) return;
// To do: don't copy the data if it is not "ripe" -- require a minimum #
@@ -84,11 +85,9 @@
// Snapshot the data -- actually, take an approximate snapshot of
// the data. Any concurrently executing threads may be changing the
// data as we copy it.
- int skip_header = oopDesc::header_size();
- Copy::disjoint_words((HeapWord*) mdo + skip_header,
- (HeapWord*) &_orig + skip_header,
- sizeof(_orig) / HeapWordSize - skip_header);
- DEBUG_ONLY(*_orig.adr_method() = NULL); // no dangling oops, please
+ Copy::disjoint_words((HeapWord*) mdo,
+ (HeapWord*) &_orig,
+ sizeof(_orig) / HeapWordSize);
Arena* arena = CURRENT_ENV->arena();
_data_size = mdo->data_size();
_extra_data_size = mdo->extra_data_size();
@@ -107,7 +106,7 @@
data = mdo->next_data(data);
}
// Note: Extra data are all BitData, and do not need translation.
- _current_mileage = methodDataOopDesc::mileage_of(mdo->method());
+ _current_mileage = MethodData::mileage_of(mdo->method());
_invocation_counter = mdo->invocation_count();
_backedge_counter = mdo->backedge_count();
_state = mdo->is_mature()? mature_state: immature_state;
@@ -120,9 +119,9 @@
void ciReceiverTypeData::translate_receiver_data_from(ProfileData* data) {
for (uint row = 0; row < row_limit(); row++) {
- klassOop k = data->as_ReceiverTypeData()->receiver(row);
+ Klass* k = data->as_ReceiverTypeData()->receiver(row);
if (k != NULL) {
- ciKlass* klass = CURRENT_ENV->get_object(k)->as_klass();
+ ciKlass* klass = CURRENT_ENV->get_klass(k);
set_receiver(row, klass);
}
}
@@ -184,7 +183,7 @@
// bci_to_extra_data(bci) ...
DataLayout* dp = data_layout_at(data_size());
DataLayout* end = data_layout_at(data_size() + extra_data_size());
- for (; dp < end; dp = methodDataOopDesc::next_extra(dp)) {
+ for (; dp < end; dp = MethodData::next_extra(dp)) {
if (dp->tag() == DataLayout::no_tag) {
_saw_free_extra_data = true; // observed an empty slot (common case)
return NULL;
@@ -236,7 +235,7 @@
void ciMethodData::clear_escape_info() {
VM_ENTRY_MARK;
- methodDataOop mdo = get_methodDataOop();
+ MethodData* mdo = get_MethodData();
if (mdo != NULL) {
mdo->clear_escape_info();
ArgInfoData *aid = arg_info();
@@ -248,10 +247,10 @@
_eflags = _arg_local = _arg_stack = _arg_returned = 0;
}
-// copy our escape info to the methodDataOop if it exists
+// copy our escape info to the MethodData* if it exists
void ciMethodData::update_escape_info() {
VM_ENTRY_MARK;
- methodDataOop mdo = get_methodDataOop();
+ MethodData* mdo = get_MethodData();
if ( mdo != NULL) {
mdo->set_eflags(_eflags);
mdo->set_arg_local(_arg_local);
@@ -266,7 +265,7 @@
void ciMethodData::set_compilation_stats(short loops, short blocks) {
VM_ENTRY_MARK;
- methodDataOop mdo = get_methodDataOop();
+ MethodData* mdo = get_MethodData();
if (mdo != NULL) {
mdo->set_num_loops(loops);
mdo->set_num_blocks(blocks);
@@ -275,25 +274,25 @@
void ciMethodData::set_would_profile(bool p) {
VM_ENTRY_MARK;
- methodDataOop mdo = get_methodDataOop();
+ MethodData* mdo = get_MethodData();
if (mdo != NULL) {
mdo->set_would_profile(p);
}
}
bool ciMethodData::has_escape_info() {
- return eflag_set(methodDataOopDesc::estimated);
+ return eflag_set(MethodData::estimated);
}
-void ciMethodData::set_eflag(methodDataOopDesc::EscapeFlag f) {
+void ciMethodData::set_eflag(MethodData::EscapeFlag f) {
set_bits(_eflags, f);
}
-void ciMethodData::clear_eflag(methodDataOopDesc::EscapeFlag f) {
+void ciMethodData::clear_eflag(MethodData::EscapeFlag f) {
clear_bits(_eflags, f);
}
-bool ciMethodData::eflag_set(methodDataOopDesc::EscapeFlag f) const {
+bool ciMethodData::eflag_set(MethodData::EscapeFlag f) const {
return mask_bits(_eflags, f) != 0;
}
@@ -338,8 +337,8 @@
}
ByteSize ciMethodData::offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data) {
- // Get offset within methodDataOop of the data array
- ByteSize data_offset = methodDataOopDesc::data_offset();
+ // Get offset within MethodData* of the data array
+ ByteSize data_offset = MethodData::data_offset();
// Get cell offset of the ProfileData within data array
int cell_offset = dp_to_di(data->dp());
@@ -354,7 +353,7 @@
// Should be last, have to skip all traps.
DataLayout* dp = data_layout_at(data_size());
DataLayout* end = data_layout_at(data_size() + extra_data_size());
- for (; dp < end; dp = methodDataOopDesc::next_extra(dp)) {
+ for (; dp < end; dp = MethodData::next_extra(dp)) {
if (dp->tag() == DataLayout::arg_info_data_tag)
return new ciArgInfoData(dp);
}
@@ -364,7 +363,7 @@
// Implementation of the print method.
void ciMethodData::print_impl(outputStream* st) {
- ciObject::print_impl(st);
+ ciMetadata::print_impl(st);
}
#ifndef PRODUCT
@@ -383,7 +382,7 @@
st->print_cr("--- Extra data:");
DataLayout* dp = data_layout_at(data_size());
DataLayout* end = data_layout_at(data_size() + extra_data_size());
- for (; dp < end; dp = methodDataOopDesc::next_extra(dp)) {
+ for (; dp < end; dp = MethodData::next_extra(dp)) {
if (dp->tag() == DataLayout::no_tag) continue;
if (dp->tag() == DataLayout::bit_data_tag) {
data = new BitData(dp);