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src/jdk.internal.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotMethodDataAccessor.java

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 40     final HotSpotVMConfig config;
 41 
 42     protected HotSpotMethodDataAccessor(HotSpotMethodData.VMState state, int tag, int staticSize) {
 43         this.state = state;
 44         this.config = state.config;
 45         this.tag = tag;
 46         this.staticSize = staticSize;
 47     }
 48 
 49     /**
 50      * Returns the tag stored in the LayoutData header.
 51      *
 52      * @return tag stored in the LayoutData header
 53      */
 54     int getTag() {
 55         return tag;
 56     }
 57 
 58     static int readTag(HotSpotVMConfig config, HotSpotMethodData data, int position) {
 59         final int tag = data.readUnsignedByte(position, config.dataLayoutTagOffset);
 60         assert tag >= config.dataLayoutNoTag && tag <= config.dataLayoutSpeculativeTrapDataTag : "profile data tag out of bounds: " + tag;
 61         return tag;
 62     }
 63 
 64     /**
 65      * Returns the BCI stored in the LayoutData header.
 66      *
 67      * @return an integer between 0 and {@link Short#MAX_VALUE} inclusive, or -1 if not supported
 68      */
 69     int getBCI(HotSpotMethodData data, int position) {
 70         return data.readUnsignedShort(position, config.dataLayoutBCIOffset);
 71     }
 72 
 73     /**
 74      * Computes the size for the specific data at the given position.
 75      *
 76      * @return a value greater than 0
 77      */
 78     final int getSize(HotSpotMethodData data, int position) {
 79         int size = staticSize + getDynamicSize(data, position);
 80         // Sanity check against VM

 40     final HotSpotVMConfig config;
 41 
 42     protected HotSpotMethodDataAccessor(HotSpotMethodData.VMState state, int tag, int staticSize) {
 43         this.state = state;
 44         this.config = state.config;
 45         this.tag = tag;
 46         this.staticSize = staticSize;
 47     }
 48 
 49     /**
 50      * Returns the tag stored in the LayoutData header.
 51      *
 52      * @return tag stored in the LayoutData header
 53      */
 54     int getTag() {
 55         return tag;
 56     }
 57 
 58     static int readTag(HotSpotVMConfig config, HotSpotMethodData data, int position) {
 59         final int tag = data.readUnsignedByte(position, config.dataLayoutTagOffset);
 60         assert tag >= config.dataLayoutNoTag && tag <= config.dataLayoutACmpDataTag : "profile data tag out of bounds: " + tag;
 61         return tag;
 62     }
 63 
 64     /**
 65      * Returns the BCI stored in the LayoutData header.
 66      *
 67      * @return an integer between 0 and {@link Short#MAX_VALUE} inclusive, or -1 if not supported
 68      */
 69     int getBCI(HotSpotMethodData data, int position) {
 70         return data.readUnsignedShort(position, config.dataLayoutBCIOffset);
 71     }
 72 
 73     /**
 74      * Computes the size for the specific data at the given position.
 75      *
 76      * @return a value greater than 0
 77      */
 78     final int getSize(HotSpotMethodData data, int position) {
 79         int size = staticSize + getDynamicSize(data, position);
 80         // Sanity check against VM
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