[RFA] "Rewrite" GetFrameCount

[Keith Seitz]

Hi,

The attach patch adds the new function _Jv_Frame::depth(), which returns 
the depth of the stack at this frame. It's a little hoaky, but it should 
be sufficient, since we end up getting the top of the stack from the 
thread anyway. No need to add more storage to save this info off.

It also contains changes to _Jv_JVMTI_GetFrame to use this function. 
This patch should effectively be a nop in functionality, except that I 
can now call _Jv_Frame::depth without having to call a JVMTI function, 
which I'm going to need when I submit patches related to single stepping.

Ok?

Keith

ChangeLog
2007-02-07  Keith Seitz  <keiths@redhat.com>

         * include/java-interp.h (_Jv_Frame::depth):
         New function.
         * jvmti.cc (_Jv_JVMTI_GetFrameCount): Use _Jv_Frame::depth.
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