1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
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  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
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  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
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  24 
  25 #ifndef SHARE_VM_JVMCI_JVMCIGLOBALS_HPP
  26 #define SHARE_VM_JVMCI_JVMCIGLOBALS_HPP
  27 
  28 #include "runtime/globals.hpp"
  29 
  30 //
  31 // Defines all global flags used by the JVMCI compiler. Only flags that need
  32 // to be accessible to the JVMCI C++ code should be defined here.
  33 //
  34 #define JVMCI_FLAGS(develop, \
  35                     develop_pd, \
  36                     product, \
  37                     product_pd, \
  38                     diagnostic, \
  39                     diagnostic_pd, \
  40                     experimental, \
  41                     notproduct, \
  42                     range, \
  43                     constraint, \
  44                     writeable) \
  45                                                                             \
  46   experimental(bool, EnableJVMCI, false,                                    \
  47           "Enable JVMCI")                                                   \
  48                                                                             \
  49   experimental(bool, UseJVMCICompiler, false,                               \
  50           "Use JVMCI as the default compiler")                              \
  51                                                                             \
  52   experimental(bool, JVMCIPrintProperties, false,                           \
  53           "Prints properties used by the JVMCI compiler and exits")         \
  54                                                                             \
  55   experimental(bool, BootstrapJVMCI, false,                                 \
  56           "Bootstrap JVMCI before running Java main method")                \
  57                                                                             \
  58   experimental(bool, EagerJVMCI, false,                                     \
  59           "Force eager JVMCI initialization")                               \
  60                                                                             \
  61   experimental(bool, PrintBootstrap, true,                                  \
  62           "Print JVMCI bootstrap progress and summary")                     \
  63                                                                             \
  64   experimental(intx, JVMCIThreads, 1,                                       \
  65           "Force number of JVMCI compiler threads to use")                  \
  66           range(1, max_jint)                                                \
  67                                                                             \
  68   experimental(intx, JVMCIHostThreads, 1,                                   \
  69           "Force number of compiler threads for JVMCI host compiler")       \
  70           range(1, max_jint)                                                \
  71                                                                             \
  72   NOT_COMPILER2(product(intx, MaxVectorSize, 64,                            \
  73           "Max vector size in bytes, "                                      \
  74           "actual size could be less depending on elements type"))          \
  75                                                                             \
  76   NOT_COMPILER2(product(bool, ReduceInitialCardMarks, true,                 \
  77           "Defer write barriers of young objects"))                         \
  78                                                                             \
  79   experimental(intx, JVMCITraceLevel, 0,                                    \
  80           "Trace level for JVMCI: "                                         \
  81           "1 means emit a message for each CompilerToVM call,"              \
  82           "levels greater than 1 provide progressively greater detail")     \
  83                                                                             \
  84   experimental(intx, JVMCICounterSize, 0,                                   \
  85           "Reserved size for benchmark counters")                           \
  86           range(0, max_jint)                                                \
  87                                                                             \
  88   experimental(bool, JVMCICountersExcludeCompiler, true,                    \
  89           "Exclude JVMCI compiler threads from benchmark counters")         \
  90                                                                             \
  91   develop(bool, JVMCIUseFastLocking, true,                                  \
  92           "Use fast inlined locking code")                                  \
  93                                                                             \
  94   experimental(intx, JVMCINMethodSizeLimit, (80*K)*wordSize,                \
  95           "Maximum size of a compiled method.")                             \
  96                                                                             \
  97   experimental(intx, MethodProfileWidth, 0,                                 \
  98           "Number of methods to record in call profile")                    \
  99                                                                             \
 100   develop(bool, TraceUncollectedSpeculations, false,                        \
 101           "Print message when a failed speculation was not collected")
 102 
 103 
 104 // Read default values for JVMCI globals
 105 
 106 JVMCI_FLAGS(DECLARE_DEVELOPER_FLAG, \
 107             DECLARE_PD_DEVELOPER_FLAG, \
 108             DECLARE_PRODUCT_FLAG, \
 109             DECLARE_PD_PRODUCT_FLAG, \
 110             DECLARE_DIAGNOSTIC_FLAG, \
 111             DECLARE_PD_DIAGNOSTIC_FLAG, \
 112             DECLARE_EXPERIMENTAL_FLAG, \
 113             DECLARE_NOTPRODUCT_FLAG, \
 114             IGNORE_RANGE, \
 115             IGNORE_CONSTRAINT, \
 116             IGNORE_WRITEABLE)
 117 
 118 class JVMCIGlobals {
 119  public:
 120   // Return true if jvmci flags are consistent. If not consistent,
 121   // an error message describing the inconsistency is printed before
 122   // returning false.
 123   static bool check_jvmci_flags_are_consistent();
 124 };
 125 #endif // SHARE_VM_JVMCI_JVMCIGLOBALS_HPP
--- EOF ---