Re: gdb with gcj

[Andrew Haley <aph at redhat dot com>]

Vladimir Leven writes:
 > >Vladimir Leven writes:
 > > > (gdb) run
 > > > Starting program: /home/levinv/dev/GcjDebugTest/a.out
 > > > [New Thread 16384 (LWP 2154)]
 > > > [New Thread 32769 (LWP 2155)]
 > > > [New Thread 16386 (LWP 2156)]
 > > > [Switching to Thread 16384 (LWP 2154)]
 > > > 
 > > > Breakpoint 1, test.main(java.lang.String[]) (args=@1003bfe8) at test.java:3
 > > > 3               test runme = new test();
 > > > Current language:  auto; currently java
 > > > (gdb) step
 > < > 0x30024f60 in __cache_line_size () from /lib/ld.so.1
 > > > [As you can see, I cannot even step through the program without it 
 > > > leaving Java mode. On Friday I was able to do that (not sure why), but 
 > > > no luck today. ]
 > >
 > > You're stepping into the shared library loader to fixup a PLT entry
 > > There's nothing weird or unexpected about this.
 > > 
 > > When you leave the shared library loader, you should get back to the
 > > main context.
 >
 > After the last "step" command in the listing below, the debugger
 > waits for a long time and eventually just executes the rest of the
 > program without stoppping anywhere else along the way. Is there
 > something I should be doing to get it to go to the next line of
 > Java code?

Usually, you can just use "finish" in the fixup handler.  But I
wouldn't attempt any of this without up-to-date versions of gcj and
gdb.

Andrew.