Differences

This shows you the differences between two versions of the page.

--- java [2020/09/26 16:29] – [GDB] ealmr
+++ java [2025/03/30 12:30] (current) – ealmr
@@ Line 1: / Line 1: @@
-<markdown>
+====== Build ======
-# Build
-```bash
+<code>
   hg clone http://hg.openjdk.java.net/jdk8u/jdk8u/
   cd jdk8u
   sh ./get_source.sh
   sh ./configure --with-debug-level=slowdebug --disable-zip-debug-info
-```
+</code>
-# Options
+====== Options ======
-- -XX:+UnlockExperimentalVMOptions
+  * - -XX:+UnlockExperimentalVMOptions
-- -Xprintflags
+  * - -Xprintflags
-- -XX+PrintFlagsWithComments
+  * - -XX+PrintFlagsWithComments
-- -XX:+PrintFlagsInitial
+  * - -XX:+PrintFlagsInitial
-- -XX:+PrintFlagsFinal
+  * - -XX:+PrintFlagsFinal
-- -XX:+CountBytecodes
+  * - -XX:+CountBytecodes
-- -XX:+PrintBytecodeHistogram
+  * - -XX:+PrintBytecodeHistogram
-- -XX:+Printinterpreter
+  * - -XX:+Printinterpreter
-- -XX:+TraceBytecodes
+  * - -XX:+TraceBytecodes
-- -XX:StopInterpreterAt=<num printed by -XX:+TraceBytecodes>
+  * - -XX:StopInterpreterAt=<num printed by -XX:+TraceBytecodes>
-  - set `b breakpoint` at GDB
+  *   - set `b breakpoint` at GDB
-- -XX:CompileCommand="break <className:method>"
+  * - -XX:CompileCommand="break <className:method>"
-- -XX:CompileCommand="print <className:method>"
+  * - -XX:CompileCommand="print <className:method>"
+====== Template Intepreter ======
-# Template Intepreter
 This requires hsdis:
-```bash
+<code>
   cd hotspot/src/share/tools/hsdis/
   wget http://ftp.gnu.org/gnu/binutils/binutils-2.33.1.tar.xz
@@ Line 37: / Line 37: @@
   cp build/linux-amd64/hsdis-amd64.so /same/path/to/libjvm.so
   ./java -XX:+PrintInterpreter Hello
-```
+</code>
-# GDB
+====== GDB ======
-- `call help()`
+  * - `call help()`
-- `call pns($sp, $rbp, $pc)`
+  * - `call pns($sp, $rbp, $pc)`
-# Reference
+====== Reference ======
 http://www.progdoc.de/papers/JavaOne2014/javaone2014_con3138.html
-</markdow
-n>