LINUX教学:Ubuntu 16.04下OpenJDK8编译和Debug

Linux ddy-Aspire-V5-573G 4.4.0-21-generic #37-Ubuntu SMP Mon Apr 18 18:33:37 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

java version "1.6.0_45"
Java(TM) SE Runtime Environment (build 1.6.0_45-b06)
Java HotSpot(TM) 64-Bit Server VM (build 20.45-b01, mixed mode)

cd openjdk  
bash ./configure --with-target-bits=64 --with-boot-jdk=/usr/java/jdk1.7.0_80/ --with-debug-level=slowdebug --enable-debug-symbols ZIP_DEBUGINFO_FILES=0  
make all ZIP_DEBUGINFO_FILES=0  

ddy@ddy-Aspire-V5-573G ~/openjdk-compile/openjdk-8u40-src-b25-10_feb_2015/openjdk/build/linux-x86_64-normal-server-slowdebug/jdk/bin $ ./java -version
openjdk version "1.8.0-internal-debug"
OpenJDK Runtime Environment (build 1.8.0-internal-debug-ddy_2017_06_11_23_26-b00)
OpenJDK 64-Bit Server VM (build 25.40-b25-debug, mixed mode)
ddy@ddy-Aspire-V5-573G ~/openjdk-compile/openjdk-8u40-src-b25-10_feb_2015/openjdk/build/linux-x86_64-normal-server-slowdebug/jdk/bin $ export CLASSPATH=.:/home/
ddy/java_src
ddy@ddy-Aspire-V5-573G ~/openjdk-compile/openjdk-8u40-src-b25-10_feb_2015/openjdk/build/linux-x86_64-normal-server-slowdebug/jdk/bin $ gdb --args java FileChann
elTest
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Reading symbols from java...done.
(gdb) break init.cpp:95
No source file named init.cpp.
Make breakpoint pending on future shared library load? (y or [n]) y
Breakpoint 1 (init.cpp:95) pending.
(gdb) run
Starting program: /home/ddy/openjdk-compile/openjdk-8u40-src-b25-10_feb_2015/openjdk/build/linux-x86_64-normal-server-slowdebug/jdk/bin/java FileChannelTest
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7ffff7fc8700 (LWP 9311)]
[Switching to Thread 0x7ffff7fc8700 (LWP 9311)]
Thread 2 "java" hit Breakpoint 1, init_globals ()
    at /home/ddy/openjdk-compile/openjdk-8u40-src-b25-10_feb_2015/openjdk/hotspot/src/share/vm/runtime/init.cpp:95
95  jint init_globals() {
(gdb) l
90    chunkpool_init();
91    perfMemory_init();
92  }
93  
94  
95  jint init_globals() {
96    HandleMark hm;
97    management_init();
98    bytecodes_init();
99    classLoader_init();
(gdb) quit
A debugging session is active.
    Inferior 1 [process 9307] will be killed.
Quit anyway? (y or n) y
ddy@ddy-Aspire-V5-573G ~/openjdk-compile/openjdk-8u40-src-b25-10_feb_2015/openjdk/build/linux-x86_64-normal-server-slowdebug/jdk/bin $