help on starting point of hotspot jvm

[Christian Thalinger]

On 10/11/2010 05:27 AM, ddmetro wrote:
> 
> Thanks Christian.
> 
> 1. I added printf statements in the beginning of the main() function of
> java.c files in the following locations:
> /openjdk/hotspot/src/os/linux/launcher/java.c
> /openjdk/jdk/src/share/bin/java.c
> /openjdk-ecj/hotspot/src/os/linux/launcher/java.c
> /openjdk-ecj/jdk/src/share/bin/java.c
> 
> I then ran >make hotspot
>> source env.sh
>> ./gamma
> I expect the printfs to be seen, however they don't appear.

Well, it works for me:

$ hg di src/os/linux/launcher/java.c
diff --git a/src/os/linux/launcher/java.c b/src/os/linux/launcher/java.c
--- a/src/os/linux/launcher/java.c
+++ b/src/os/linux/launcher/java.c
@@ -190,6 +190,7 @@ static int noExitErrorMessage = 0;
 int
 main(int argc, char ** argv)
 {
+printf("foo\n");
     JavaVM *vm = 0;
     JNIEnv *env = 0;
     char *jarfile = 0;

$ . env.sh
$ ./gamma
foo
Usage: gamma [-options] class [args...]
<snip>

-- Christian