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.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  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  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package jdk.vm.ci.hotspot;
  24 
  25 import java.lang.reflect.Field;
  26 
  27 import jdk.vm.ci.code.BailoutException;
  28 import jdk.vm.ci.code.BytecodeFrame;
  29 import jdk.vm.ci.code.CodeCacheProvider;
  30 import jdk.vm.ci.code.CompiledCode;
  31 import jdk.vm.ci.code.InstalledCode;
  32 import jdk.vm.ci.code.RegisterConfig;
  33 import jdk.vm.ci.code.TargetDescription;
  34 import jdk.vm.ci.code.site.Call;
  35 import jdk.vm.ci.code.site.Mark;
  36 import jdk.vm.ci.meta.ResolvedJavaMethod;
  37 import jdk.vm.ci.meta.SpeculationLog;
  38 
  39 /**
  40  * HotSpot implementation of {@link CodeCacheProvider}.
  41  */
  42 public class HotSpotCodeCacheProvider implements CodeCacheProvider {
  43 
  44     protected final HotSpotJVMCIRuntimeProvider runtime;
  45     protected final HotSpotVMConfig config;
  46     protected final TargetDescription target;
  47     protected final RegisterConfig regConfig;
  48 
  49     public HotSpotCodeCacheProvider(HotSpotJVMCIRuntimeProvider runtime, HotSpotVMConfig config, TargetDescription target, RegisterConfig regConfig) {
  50         this.runtime = runtime;
  51         this.config = config;
  52         this.target = target;
  53         this.regConfig = regConfig;
  54     }
  55 
  56     @Override
  57     public String getMarkName(Mark mark) {
  58         int markId = (int) mark.id;
  59         Field[] fields = runtime.getConfig().getClass().getDeclaredFields();
  60         for (Field f : fields) {
  61             if (f.getName().startsWith("MARKID_")) {
  62                 f.setAccessible(true);
  63                 try {
  64                     if (f.getInt(runtime.getConfig()) == markId) {
  65                         return f.getName();
  66                     }
  67                 } catch (Exception e) {
  68                 }
  69             }
  70         }
  71         return CodeCacheProvider.super.getMarkName(mark);
  72     }
  73 
  74     /**
  75      * Decodes a call target to a mnemonic if possible.
  76      */
  77     @Override
  78     public String getTargetName(Call call) {
  79         Field[] fields = runtime.getConfig().getClass().getDeclaredFields();
  80         for (Field f : fields) {
  81             if (f.getName().endsWith("Stub")) {
  82                 f.setAccessible(true);
  83                 Object address;
  84                 try {
  85                     address = f.get(runtime.getConfig());
  86                     if (address.equals(call.target)) {
  87                         return f.getName() + ":0x" + Long.toHexString((Long) address);
  88                     }
  89                 } catch (IllegalArgumentException | IllegalAccessException e) {
  90                 }
  91             }
  92         }
  93         return CodeCacheProvider.super.getTargetName(call);
  94     }
  95 
  96     @Override
  97     public RegisterConfig getRegisterConfig() {
  98         return regConfig;
  99     }
 100 
 101     @Override
 102     public int getMinimumOutgoingSize() {
 103         return runtime.getConfig().runtimeCallStackSize;
 104     }
 105 
 106     private InstalledCode logOrDump(InstalledCode installedCode, CompiledCode compiledCode) {
 107         ((HotSpotJVMCIRuntime) runtime).notifyInstall(this, installedCode, compiledCode);
 108         return installedCode;
 109     }

   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.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  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  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package jdk.vm.ci.hotspot;
  24 
  25 import java.util.Map;
  26 
  27 import jdk.vm.ci.code.BailoutException;
  28 import jdk.vm.ci.code.BytecodeFrame;
  29 import jdk.vm.ci.code.CodeCacheProvider;
  30 import jdk.vm.ci.code.CompiledCode;
  31 import jdk.vm.ci.code.InstalledCode;
  32 import jdk.vm.ci.code.RegisterConfig;
  33 import jdk.vm.ci.code.TargetDescription;
  34 import jdk.vm.ci.code.site.Call;
  35 import jdk.vm.ci.code.site.Mark;
  36 import jdk.vm.ci.meta.ResolvedJavaMethod;
  37 import jdk.vm.ci.meta.SpeculationLog;
  38 
  39 /**
  40  * HotSpot implementation of {@link CodeCacheProvider}.
  41  */
  42 public class HotSpotCodeCacheProvider implements CodeCacheProvider {
  43 
  44     protected final HotSpotJVMCIRuntimeProvider runtime;
  45     protected final HotSpotVMConfig config;
  46     protected final TargetDescription target;
  47     protected final RegisterConfig regConfig;
  48 
  49     public HotSpotCodeCacheProvider(HotSpotJVMCIRuntimeProvider runtime, HotSpotVMConfig config, TargetDescription target, RegisterConfig regConfig) {
  50         this.runtime = runtime;
  51         this.config = config;
  52         this.target = target;
  53         this.regConfig = regConfig;
  54     }
  55 
  56     @Override
  57     public String getMarkName(Mark mark) {
  58         int markId = (int) mark.id;
  59         HotSpotVMConfigStore store = runtime.getConfigStore();
  60         for (Map.Entry<String, Long> e : store.getConstants().entrySet()) {
  61             String name = e.getKey();
  62             if (name.startsWith("MARKID_") && e.getValue() == markId) {
  63                 return name;





  64             }
  65         }
  66         return CodeCacheProvider.super.getMarkName(mark);
  67     }
  68 
  69     /**
  70      * Decodes a call target to a mnemonic if possible.
  71      */
  72     @Override
  73     public String getTargetName(Call call) {
  74         if (call.target instanceof HotSpotForeignCallTarget) {
  75             long address = ((HotSpotForeignCallTarget) call.target).address;
  76             HotSpotVMConfigStore store = runtime.getConfigStore();
  77             for (Map.Entry<String, VMField> e : store.getFields().entrySet()) {
  78                 VMField field = e.getValue();
  79                 if (field.isStatic() && field.value == address) {
  80                     return e.getValue() + ":0x" + Long.toHexString(address);




  81                 }
  82             }
  83         }
  84         return CodeCacheProvider.super.getTargetName(call);
  85     }
  86 
  87     @Override
  88     public RegisterConfig getRegisterConfig() {
  89         return regConfig;
  90     }
  91 
  92     @Override
  93     public int getMinimumOutgoingSize() {
  94         return runtime.getConfig().runtimeCallStackSize;
  95     }
  96 
  97     private InstalledCode logOrDump(InstalledCode installedCode, CompiledCode compiledCode) {
  98         ((HotSpotJVMCIRuntime) runtime).notifyInstall(this, installedCode, compiledCode);
  99         return installedCode;
 100     }