--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/os/bsd/dtrace/generateJvmOffsets.cpp Thu Oct 13 09:35:42 2011 -0700
@@ -0,0 +1,294 @@
+/*
+ * Copyright (c) 2003, 2011, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/*
+ * This is to provide sanity check in jhelper.d which compares SCCS
+ * versions of generateJvmOffsets.cpp used to create and extract
+ * contents of __JvmOffsets[] table.
+ * The __JvmOffsets[] table is located in generated JvmOffsets.cpp.
+ *
+ * GENOFFS_SCCS_VER 34
+ */
+
+#include "generateJvmOffsets.h"
+
+/* A workaround for private and protected fields */
+#define private public
+#define protected public
+
+// not on macosx #include <proc_service.h>
+#include "code/codeBlob.hpp"
+#include "code/nmethod.hpp"
+#include "code/pcDesc.hpp"
+#include "gc_interface/collectedHeap.hpp"
+#include "memory/heap.hpp"
+#include "memory/memRegion.hpp"
+#include "memory/universe.hpp"
+#include "oops/constMethodOop.hpp"
+#include "oops/klass.hpp"
+#include "oops/methodOop.hpp"
+#include "oops/oop.hpp"
+#include "oops/symbol.hpp"
+#include "runtime/virtualspace.hpp"
+#include "runtime/vmStructs.hpp"
+#include "utilities/accessFlags.hpp"
+#include "utilities/globalDefinitions.hpp"
+
+// These are defined somewhere for Solaris
+#define PR_MODEL_ILP32 1
+#define PR_MODEL_LP64 2
+
+#ifdef COMPILER1
+#if defined(DEBUG) || defined(FASTDEBUG)
+
+/*
+ * To avoid the most part of potential link errors
+ * we link this program with -z nodefs .
+ *
+ * But for 'debug1' and 'fastdebug1' we still have to provide
+ * a particular workaround for the following symbols bellow.
+ * It will be good to find out a generic way in the future.
+ */
+
+#pragma weak tty
+#pragma weak CMSExpAvgFactor
+
+#if defined(i386) || defined(__i386) || defined(__amd64)
+#pragma weak noreg
+#endif /* i386 */
+
+LIR_Opr LIR_OprFact::illegalOpr = (LIR_Opr) 0;
+
+address StubRoutines::_call_stub_return_address = NULL;
+
+StubQueue* AbstractInterpreter::_code = NULL;
+
+#endif /* defined(DEBUG) || defined(FASTDEBUG) */
+#endif /* COMPILER1 */
+
+#define GEN_OFFS(Type,Name) \
+ switch(gen_variant) { \
+ case GEN_OFFSET: \
+ printf("#define OFFSET_%-33s %ld\n", \
+ #Type #Name, offset_of(Type, Name)); \
+ break; \
+ case GEN_INDEX: \
+ printf("#define IDX_OFFSET_%-33s %d\n", \
+ #Type #Name, index++); \
+ break; \
+ case GEN_TABLE: \
+ printf("\tOFFSET_%s,\n", #Type #Name); \
+ break; \
+ }
+
+#define GEN_SIZE(Type) \
+ switch(gen_variant) { \
+ case GEN_OFFSET: \
+ printf("#define SIZE_%-35s %ld\n", \
+ #Type, sizeof(Type)); \
+ break; \
+ case GEN_INDEX: \
+ printf("#define IDX_SIZE_%-35s %d\n", \
+ #Type, index++); \
+ break; \
+ case GEN_TABLE: \
+ printf("\tSIZE_%s,\n", #Type); \
+ break; \
+ }
+
+#define GEN_VALUE(String,Value) \
+ switch(gen_variant) { \
+ case GEN_OFFSET: \
+ printf("#define %-40s %d\n", #String, Value); \
+ break; \
+ case GEN_INDEX: \
+ printf("#define IDX_%-40s %d\n", #String, index++); \
+ break; \
+ case GEN_TABLE: \
+ printf("\t" #String ",\n"); \
+ break; \
+ }
+
+void gen_prologue(GEN_variant gen_variant) {
+ const char *suffix;
+
+ switch(gen_variant) {
+ case GEN_OFFSET: suffix = ".h"; break;
+ case GEN_INDEX: suffix = "Index.h"; break;
+ case GEN_TABLE: suffix = ".cpp"; break;
+ }
+
+ printf("/*\n");
+ printf(" * JvmOffsets%s !!!DO NOT EDIT!!! \n", suffix);
+ printf(" * The generateJvmOffsets program generates this file!\n");
+ printf(" */\n\n");
+ switch(gen_variant) {
+
+ case GEN_OFFSET:
+ case GEN_INDEX:
+ break;
+
+ case GEN_TABLE:
+ printf("#include \"JvmOffsets.h\"\n");
+ printf("\n");
+ printf("int __JvmOffsets[] = {\n");
+ break;
+ }
+}
+
+void gen_epilogue(GEN_variant gen_variant) {
+ if (gen_variant != GEN_TABLE) {
+ return;
+ }
+ printf("};\n\n");
+ return;
+}
+
+int generateJvmOffsets(GEN_variant gen_variant) {
+ int index = 0; /* It is used to generate JvmOffsetsIndex.h */
+ int pointer_size = sizeof(void *);
+ int data_model = (pointer_size == 4) ? PR_MODEL_ILP32 : PR_MODEL_LP64;
+
+ gen_prologue(gen_variant);
+
+ GEN_VALUE(DATA_MODEL, data_model);
+ GEN_VALUE(POINTER_SIZE, pointer_size);
+#if defined(TIERED)
+ GEN_VALUE(COMPILER, 3);
+#elif COMPILER1
+ GEN_VALUE(COMPILER, 1);
+#elif COMPILER2
+ GEN_VALUE(COMPILER, 2);
+#else
+ GEN_VALUE(COMPILER, 0);
+#endif // COMPILER1 && COMPILER2
+ printf("\n");
+
+ GEN_OFFS(CollectedHeap, _reserved);
+ GEN_OFFS(MemRegion, _start);
+ GEN_OFFS(MemRegion, _word_size);
+ GEN_SIZE(HeapWord);
+ printf("\n");
+
+ GEN_OFFS(VMStructEntry, typeName);
+ GEN_OFFS(VMStructEntry, fieldName);
+ GEN_OFFS(VMStructEntry, address);
+ GEN_SIZE(VMStructEntry);
+ printf("\n");
+
+ GEN_VALUE(MAX_METHOD_CODE_SIZE, max_method_code_size);
+#if defined(sparc) || defined(__sparc)
+ GEN_VALUE(OFFSET_interpreter_frame_method, 2 * pointer_size); /* L2 in saved window */
+ GEN_VALUE(OFFSET_interpreter_frame_sender_sp, 13 * pointer_size); /* I5 in saved window */
+ // Fake value for consistency. It is not going to be used.
+ GEN_VALUE(OFFSET_interpreter_frame_bcx_offset, 0xFFFF);
+#elif defined(i386) || defined(__i386) || defined(__amd64)
+ GEN_VALUE(OFFSET_interpreter_frame_sender_sp, -1 * pointer_size);
+ GEN_VALUE(OFFSET_interpreter_frame_method, -3 * pointer_size);
+ GEN_VALUE(OFFSET_interpreter_frame_bcx_offset, -7 * pointer_size);
+#endif
+
+ GEN_OFFS(Klass, _name);
+ GEN_OFFS(constantPoolOopDesc, _pool_holder);
+ printf("\n");
+
+ GEN_VALUE(OFFSET_HeapBlockHeader_used, (int) offset_of(HeapBlock::Header, _used));
+ GEN_OFFS(oopDesc, _metadata);
+ printf("\n");
+
+ GEN_VALUE(AccessFlags_NATIVE, JVM_ACC_NATIVE);
+ GEN_VALUE(constMethodOopDesc_has_linenumber_table, constMethodOopDesc::_has_linenumber_table);
+ GEN_OFFS(AccessFlags, _flags);
+ GEN_OFFS(Symbol, _length);
+ GEN_OFFS(Symbol, _body);
+ printf("\n");
+
+ GEN_OFFS(methodOopDesc, _constMethod);
+ GEN_OFFS(methodOopDesc, _constants);
+ GEN_OFFS(methodOopDesc, _access_flags);
+ printf("\n");
+
+ GEN_OFFS(constMethodOopDesc, _flags);
+ GEN_OFFS(constMethodOopDesc, _code_size);
+ GEN_OFFS(constMethodOopDesc, _name_index);
+ GEN_OFFS(constMethodOopDesc, _signature_index);
+ printf("\n");
+
+ GEN_OFFS(CodeHeap, _memory);
+ GEN_OFFS(CodeHeap, _segmap);
+ GEN_OFFS(CodeHeap, _log2_segment_size);
+ printf("\n");
+
+ GEN_OFFS(VirtualSpace, _low_boundary);
+ GEN_OFFS(VirtualSpace, _high_boundary);
+ GEN_OFFS(VirtualSpace, _low);
+ GEN_OFFS(VirtualSpace, _high);
+ printf("\n");
+
+ GEN_OFFS(CodeBlob, _name);
+ GEN_OFFS(CodeBlob, _header_size);
+ GEN_OFFS(CodeBlob, _content_offset);
+ GEN_OFFS(CodeBlob, _code_offset);
+ GEN_OFFS(CodeBlob, _data_offset);
+ GEN_OFFS(CodeBlob, _frame_size);
+ printf("\n");
+
+ GEN_OFFS(nmethod, _method);
+ GEN_OFFS(nmethod, _oops_offset);
+ GEN_OFFS(nmethod, _scopes_data_offset);
+ GEN_OFFS(nmethod, _scopes_pcs_offset);
+ GEN_OFFS(nmethod, _handler_table_offset);
+ GEN_OFFS(nmethod, _deoptimize_offset);
+ GEN_OFFS(nmethod, _orig_pc_offset);
+
+ GEN_OFFS(PcDesc, _pc_offset);
+ GEN_OFFS(PcDesc, _scope_decode_offset);
+
+ printf("\n");
+
+ GEN_OFFS(NarrowOopStruct, _base);
+ GEN_OFFS(NarrowOopStruct, _shift);
+ printf("\n");
+
+ GEN_VALUE(SIZE_HeapBlockHeader, (int) sizeof(HeapBlock::Header));
+ GEN_SIZE(oopDesc);
+ GEN_SIZE(constantPoolOopDesc);
+ printf("\n");
+
+ GEN_SIZE(PcDesc);
+ GEN_SIZE(methodOopDesc);
+ GEN_SIZE(constMethodOopDesc);
+ GEN_SIZE(nmethod);
+ GEN_SIZE(CodeBlob);
+ GEN_SIZE(BufferBlob);
+ GEN_SIZE(SingletonBlob);
+ GEN_SIZE(RuntimeStub);
+ GEN_SIZE(SafepointBlob);
+
+ gen_epilogue(gen_variant);
+ printf("\n");
+
+ fflush(stdout);
+ return 0;
+}