Date: Mon, 9 Sep 2002 21:00:44 -0400 (EDT) From: Andrew Gallatin <gallatin@cs.duke.edu> To: Joe Marcus Clarke <marcus@marcuscom.com> Cc: obrien@FreeBSD.ORG, alpha@FreeBSD.ORG Subject: Re: getting closer (was Re: mozilla failure on 4.6.2) Message-ID: <15741.17468.701009.998323@grasshopper.cs.duke.edu> In-Reply-To: <1031605410.351.90.camel@gyros.marcuscom.com> References: <20020906040641.GA61111@xor.obsecurity.org> <1031287598.361.2.camel@gyros.marcuscom.com> <15736.40749.986834.818558@grasshopper.cs.duke.edu> <1031329151.342.9.camel@gyros.marcuscom.com> <20020906194732.GA2244@dragon.nuxi.com> <15737.2550.488154.4401@grasshopper.cs.duke.edu> <20020907000825.GA4091@dragon.nuxi.com> <15739.43883.152090.936327@grasshopper.cs.duke.edu> <15741.2822.526047.253409@grasshopper.cs.duke.edu> <1031605410.351.90.camel@gyros.marcuscom.com>
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No beer yet. It still segv's like this:
(gdb) where
#0 0x1602a25c4 in PLDHashTableEnumeratorImpl::GetNext ()
from /home/gallatin/ports/www/mozilla-devel/work/mozilla/dist/bin/libxpcom.so
#1 0x1602aaff8 in nsComponentManagerImpl::RegisterFactoryLocation ()
from /home/gallatin/ports/www/mozilla-devel/work/mozilla/dist/bin/libxpcom.so
#2 0x1602e1d78 in XPTC_InvokeByIndex ()
from /home/gallatin/ports/www/mozilla-devel/work/mozilla/dist/bin/libxpcom.so
warning: Hit heuristic-fence-post without finding
warning: enclosing function for address 0x120151910
The interesting thing is the "mutliple inheritance test" seems to be
failing, now that I look closely at it:
Calling Bar...
direct calls:
FooBarImpl2::BarMethod1 called with i == 1, local value = 12345678
FooBarImpl2::BarMethod2 called with i == 2, local value = 12345678
invoke calls:
FooBarImpl2::BarMethod1 called with i == 1, local value = 0
FooBarImpl2::BarMethod2 called with i == 2, local value = 0
(gdb) break FooBarImpl2::BarMethod1
Breakpoint 2 at 0x120002c50: file TestXPTCInvoke.cpp, line 977.
(gdb) r
Starting program: /home/gallatin/ports/www/mozilla-devel/work/mozilla/xpcom/reflect/xptcall/tests/./TestXPTCInvoke
<...>
Breakpoint 2, FooBarImpl2::BarMethod1 (this=0x12001c080, i=1) at TestXPTCInvoke.cpp:977
977 i, value);
(gdb)
Continuing.
FooBarImpl2::BarMethod1 called with i == 1, local value = 12345678
FooBarImpl2::BarMethod2 called with i == 2, local value = 12345678
invoke calls:
Breakpoint 2, FooBarImpl2::BarMethod1 (this=0x12001c088, i=1) at TestXPTCInvoke.cpp:977
977 i, value);
(gdb)
Continuing.
FooBarImpl2::BarMethod1 called with i == 1, local value = 0
FooBarImpl2::BarMethod2 called with i == 2, local value = 0
Notice how "this" has been incremented by 8 bytes? I have no clue
where that's coming from. If I look at *(FooBarImpl2 *)0x12001c080,
it looks correct.
Help is welcome..
Drew
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