[kaffe] JVMPI status?
robilad at kaffe.org
Thu Mar 11 10:27:01 PST 2004
Jon Nall wrote:
> Dalibor Topic wrote:
>> yep, I get the same problem with jprofiler-1.1.1. It seems to be some
>> weird memory allocation issue. I haven;t tried tracking it down.
> i figured out why it's happening, though i'm not familiar enough with
> the project (yet) to suggest the proper fix. the issue is that in
> function argz_create_sep() at libltdl/ltdl.c:627 argz is LT_DLMALLOC'ed.
> and in foreach_dirinpath() at libltdl/ltdl.c:2705 is LT_DLFREE'ed.
> however, configure found argz_create_sep() on my system defined in
> /usr/include/argz.h and set the following in libltdl/config.h: #define
> HAVE_ARGZ_CREATE_SEP 1.
wow, that was quick. Thanks a lot for looking into it.
> this, i assume, causes the external argz_create_sep call which just uses
> plain old malloc(). send that to LT_DLFREE and chaos ensues.
> i hand-modified libltdl/config.h to say #undef HAVE_ARGZ_CREATE_SEP,
> recompiled and can now run ejp without error.
> i've tried both of the following successfully:
> 1. never use the external argz_create_sep() call
> 2. add an ifdef in foreach_dirinpath() that calls normal free() for argz.
> with either of these fixes, i still get a core dump:
> kaffe-bin: jvmpi_kaffe.c:55: jvmpiPostEvent: Assertion `ev->event_type <
> JVMPI_EVENT_COUNT' failed.
> if someone can tell me which of 1 or 2 above to pursue, i'll create a
> patch and get that assert debugged.
since there is no way to guarantee that the external argz_create_sep()
will use malloc/free (afaik), it may be better to do 1, in my opinion.
And since it's a bug in libtool, please send a bug report upstream to
the libtool developers, as well.
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