src/hotspot/share/jvmci/jvmci_globals.hpp
changeset 47216 71c04702a3d5
parent 42026 b909beeb863f
child 49191 13378aa8527e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/jvmci/jvmci_globals.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,122 @@
+/*
+ * Copyright (c) 2000, 2016, 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.
+ *
+ */
+
+#ifndef SHARE_VM_JVMCI_JVMCIGLOBALS_HPP
+#define SHARE_VM_JVMCI_JVMCIGLOBALS_HPP
+
+#include "runtime/globals.hpp"
+
+//
+// Defines all global flags used by the JVMCI compiler. Only flags that need
+// to be accessible to the JVMCI C++ code should be defined here.
+//
+#define JVMCI_FLAGS(develop, \
+                    develop_pd, \
+                    product, \
+                    product_pd, \
+                    diagnostic, \
+                    diagnostic_pd, \
+                    experimental, \
+                    notproduct, \
+                    range, \
+                    constraint, \
+                    writeable) \
+                                                                            \
+  experimental(bool, EnableJVMCI, false,                                    \
+          "Enable JVMCI")                                                   \
+                                                                            \
+  experimental(bool, UseJVMCICompiler, false,                               \
+          "Use JVMCI as the default compiler")                              \
+                                                                            \
+  experimental(bool, JVMCIPrintProperties, false,                           \
+          "Prints properties used by the JVMCI compiler and exits")         \
+                                                                            \
+  experimental(bool, BootstrapJVMCI, false,                                 \
+          "Bootstrap JVMCI before running Java main method")                \
+                                                                            \
+  experimental(bool, PrintBootstrap, true,                                  \
+          "Print JVMCI bootstrap progress and summary")                     \
+                                                                            \
+  experimental(intx, JVMCIThreads, 1,                                       \
+          "Force number of JVMCI compiler threads to use")                  \
+          range(1, max_jint)                                                \
+                                                                            \
+  experimental(intx, JVMCIHostThreads, 1,                                   \
+          "Force number of compiler threads for JVMCI host compiler")       \
+          range(1, max_jint)                                                \
+                                                                            \
+  NOT_COMPILER2(product(intx, MaxVectorSize, 64,                            \
+          "Max vector size in bytes, "                                      \
+          "actual size could be less depending on elements type"))          \
+                                                                            \
+  NOT_COMPILER2(product(bool, ReduceInitialCardMarks, true,                 \
+          "Defer write barriers of young objects"))                         \
+                                                                            \
+  experimental(intx, JVMCITraceLevel, 0,                                    \
+          "Trace level for JVMCI: "                                         \
+          "1 means emit a message for each CompilerToVM call,"              \
+          "levels greater than 1 provide progressively greater detail")     \
+                                                                            \
+  experimental(intx, JVMCICounterSize, 0,                                   \
+          "Reserved size for benchmark counters")                           \
+          range(0, max_jint)                                                \
+                                                                            \
+  experimental(bool, JVMCICountersExcludeCompiler, true,                    \
+          "Exclude JVMCI compiler threads from benchmark counters")         \
+                                                                            \
+  develop(bool, JVMCIUseFastLocking, true,                                  \
+          "Use fast inlined locking code")                                  \
+                                                                            \
+  experimental(intx, JVMCINMethodSizeLimit, (80*K)*wordSize,                \
+          "Maximum size of a compiled method.")                             \
+                                                                            \
+  experimental(intx, MethodProfileWidth, 0,                                 \
+          "Number of methods to record in call profile")                    \
+                                                                            \
+  develop(bool, TraceUncollectedSpeculations, false,                        \
+          "Print message when a failed speculation was not collected")
+
+
+// Read default values for JVMCI globals
+
+JVMCI_FLAGS(DECLARE_DEVELOPER_FLAG, \
+            DECLARE_PD_DEVELOPER_FLAG, \
+            DECLARE_PRODUCT_FLAG, \
+            DECLARE_PD_PRODUCT_FLAG, \
+            DECLARE_DIAGNOSTIC_FLAG, \
+            DECLARE_PD_DIAGNOSTIC_FLAG, \
+            DECLARE_EXPERIMENTAL_FLAG, \
+            DECLARE_NOTPRODUCT_FLAG, \
+            IGNORE_RANGE, \
+            IGNORE_CONSTRAINT, \
+            IGNORE_WRITEABLE)
+
+class JVMCIGlobals {
+ public:
+  // Return true if jvmci flags are consistent. If not consistent,
+  // an error message describing the inconsistency is printed before
+  // returning false.
+  static bool check_jvmci_flags_are_consistent();
+};
+#endif // SHARE_VM_JVMCI_JVMCIGLOBALS_HPP