hotspot/src/os/solaris/dtrace/generateJvmOffsets.cpp
changeset 1 489c9b5090e2
child 360 21d113ecbf6a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/os/solaris/dtrace/generateJvmOffsets.cpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,272 @@
+/*
+ * Copyright 2003-2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.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
+
+#include <proc_service.h>
+#include "incls/_precompiled.incl"
+#include "incls/_vmStructs.cpp.incl"
+
+#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 %d\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 %d\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, offset_of(HeapBlock::Header, _used));
+  GEN_OFFS(oopDesc, _klass);
+  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(symbolOopDesc, _length);
+  GEN_OFFS(symbolOopDesc, _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, _instructions_offset);
+  GEN_OFFS(CodeBlob, _data_offset);
+  GEN_OFFS(CodeBlob, _oops_offset);
+  GEN_OFFS(CodeBlob, _oops_length);
+  GEN_OFFS(CodeBlob, _frame_size);
+  printf("\n");
+
+  GEN_OFFS(nmethod, _method);
+  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_VALUE(SIZE_HeapBlockHeader, 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;
+}