< prev index next >

src/jdk.jdwp.agent/share/native/libjdwp/SDE.c

Print this page
rev 16214 : 8170663: Fix minor issues in corelib and servicabilty coding.
Reviewed-by: dsamersoff, dholmes
Contributed-by: David CARLIER <devnexen@gmail.com>, goetz.lindenmaier@sap.com
   1 /*
   2  * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


 232     }
 233 
 234     /**
 235      * Convert a line number table, as returned by the JVMTI
 236      * function GetLineNumberTable, to one for another stratum.
 237      * Conversion is by overwrite.
 238      * Actual line numbers are not returned - just a unique
 239      * number (file ID in top 16 bits, line number in
 240      * bottom 16 bits) - this is all stepping needs.
 241      */
 242     void
 243     convertLineNumberTable(JNIEnv *env, jclass clazz,
 244                            jint *entryCountPtr,
 245                            jvmtiLineNumberEntry **tablePtr) {
 246         jvmtiLineNumberEntry *fromEntry = *tablePtr;
 247         jvmtiLineNumberEntry *toEntry = *tablePtr;
 248         int cnt = *entryCountPtr;
 249         int lastLn = 0;
 250         int sti;
 251 



 252         loadDebugInfo(env, clazz);
 253         if (!isValid()) {
 254             return; /* no SDE or not SourceMap - return unchanged */
 255         }
 256         sti = stratumTableIndex(globalDefaultStratumId);
 257         if (sti == baseStratumIndex) {
 258             return; /* Java stratum - return unchanged */
 259         }
 260         LOG_MISC(("SDE is re-ordering the line table"));
 261         for (; cnt-->0; ++fromEntry) {
 262             int jplsLine = fromEntry->line_number;
 263             int lti = stiLineTableIndex(sti, jplsLine);
 264             if (lti >= 0) {
 265                 int fileId = lineTable[lti].fileId;
 266                 int ln = stiLineNumber(sti, lti, jplsLine);
 267                 ln += (fileId << 16); /* create line hash */
 268                 if (ln != lastLn) {
 269                     lastLn = ln;
 270                     toEntry->start_location = fromEntry->start_location;
 271                     toEntry->line_number = ln;
 272                     ++toEntry;
 273                 }
 274             }
 275         }
 276         /*LINTED*/
 277         *entryCountPtr = (int)(toEntry - *tablePtr);
 278     }
 279 
 280     /**
 281      * Set back-end wide default stratum ID .


   1 /*
   2  * Copyright (c) 2001, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any


 232     }
 233 
 234     /**
 235      * Convert a line number table, as returned by the JVMTI
 236      * function GetLineNumberTable, to one for another stratum.
 237      * Conversion is by overwrite.
 238      * Actual line numbers are not returned - just a unique
 239      * number (file ID in top 16 bits, line number in
 240      * bottom 16 bits) - this is all stepping needs.
 241      */
 242     void
 243     convertLineNumberTable(JNIEnv *env, jclass clazz,
 244                            jint *entryCountPtr,
 245                            jvmtiLineNumberEntry **tablePtr) {
 246         jvmtiLineNumberEntry *fromEntry = *tablePtr;
 247         jvmtiLineNumberEntry *toEntry = *tablePtr;
 248         int cnt = *entryCountPtr;
 249         int lastLn = 0;
 250         int sti;
 251 
 252         if (cnt < 0) {
 253             return;
 254         }
 255         loadDebugInfo(env, clazz);
 256         if (!isValid()) {
 257             return; /* no SDE or not SourceMap - return unchanged */
 258         }
 259         sti = stratumTableIndex(globalDefaultStratumId);
 260         if (sti == baseStratumIndex || sti < 0) {
 261             return; /* Java stratum - return unchanged */
 262         }
 263         LOG_MISC(("SDE is re-ordering the line table"));
 264         for (; cnt-- > 0; ++fromEntry) {
 265             int jplsLine = fromEntry->line_number;
 266             int lti = stiLineTableIndex(sti, jplsLine);
 267             if (lti >= 0) {
 268                 int fileId = lineTable[lti].fileId;
 269                 int ln = stiLineNumber(sti, lti, jplsLine);
 270                 ln += (fileId << 16); /* create line hash */
 271                 if (ln != lastLn) {
 272                     lastLn = ln;
 273                     toEntry->start_location = fromEntry->start_location;
 274                     toEntry->line_number = ln;
 275                     ++toEntry;
 276                 }
 277             }
 278         }
 279         /*LINTED*/
 280         *entryCountPtr = (int)(toEntry - *tablePtr);
 281     }
 282 
 283     /**
 284      * Set back-end wide default stratum ID .


< prev index next >