2012. november 5., hétfő 19:58:08 UTC+1 időpontban adamdi...@gmail.com a
következőt írta:
> I'm trying to get NS_InitXPCOM2 to work . I have linked against xulrunner
> SDK's 10, 12, 13, 16 and 17. We also have other programs using
> XRE_InitEmbedding2, but the point of failure is the same.
>
>
>
> #include <stdio.h>
>
> #include "nsIServiceManager.h"
>
> #include "nsXPCOM.h"
>
> #include "nsCOMPtr.h"
>
>
>
> int main(int argc, char **argv)
>
> {
>
> nsresult rv;
>
>
>
> nsCOMPtr<nsIServiceManager> servMan;
>
> #if MOZ_MAJOR > 16
>
> rv = NS_InitXPCOM2(getter_AddRefs(servMan), nullptr, nullptr);
>
> #else
>
> rv = NS_InitXPCOM2(getter_AddRefs(servMan), nsnull, nsnull);
>
> #endif
>
> if (NS_FAILED(rv))
>
> {
>
> printf("NS_InitXPCOM2 failed . rv=%08x", (int) rv);
>
> return 1;
>
> }
>
> return 0;
>
> }
>
>
>
>
>
> adam@curry:~/proj/cf/engine/src$ gdb ./embed_test
>
> GNU gdb (GDB) 7.0.1-debian
>
> Copyright (C) 2009 Free Software Foundation, Inc.
>
> License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
>
> This is free software: you are free to change and redistribute it.
>
> There is NO WARRANTY, to the extent permitted by law. Type "show copying"
>
> and "show warranty" for details.
>
> This GDB was configured as "x86_64-linux-gnu".
>
> For bug reporting instructions, please see:
>
> <http://www.gnu.org/software/gdb/bugs/>...
>
> Reading symbols from /home/adam/proj/cf/engine/src/embed_test...done.
>
> (gdb) run
>
> Starting program: /home/adam/proj/cf/engine/src/embed_test
>
> [Thread debugging using libthread_db enabled]
>
> [New Thread 0x7fffeb690700 (LWP 11054)]
>
> [New Thread 0x7fffeae8f700 (LWP 11055)]
>
>
>
> Program received signal SIGSEGV, Segmentation fault.
>
> 0x0000000000000000 in ?? ()
>
> (gdb) bt
>
> #0 0x0000000000000000 in ?? ()
>
> #1 0x00007ffff322f613 in PL_DHashTableOperate (table=0x62bcd8,
>
> key=0x7ffff3a9ccb0, op=PL_DHASH_LOOKUP)
>
> at
> /builds/slave/rel-m-beta-xr-lnx64-bld/build/obj-firefox/xpcom/build/pldhash.cpp:576
>
> #2 0x00007ffff32555df in nsTHashtable<nsBaseHashtableET<nsIDHashKey,
> nsFactoryEntry*> >::GetEntry (this=<value optimized out>, aKey=<value
> optimized out>)
>
> at ../../dist/include/nsTHashtable.h:148
>
> #3 0x00007ffff32555f9 in nsBaseHashtable<nsIDHashKey, nsFactoryEntry*,
> nsFactoryEntry*>::Get (this=<value optimized out>, aKey=<value optimized out>)
>
> at ../../dist/include/nsBaseHashtable.h:126
>
> #4 0x00007ffff3256cf7 in nsComponentManagerImpl::RegisterCIDEntry (
>
> this=0x62bc70, aEntry=0x7ffff47ad0e0, aModule=0x656200)
>
> at
> /builds/slave/rel-m-beta-xr-lnx64-bld/build/xpcom/components/nsComponentManager.cpp:423
>
> #5 0x00007ffff3257b62 in nsComponentManagerImpl::RegisterModule (
>
> this=0x62bc70, aModule=0x7ffff45638f0, aFile=0x0)
>
> at
> /builds/slave/rel-m-beta-xr-lnx64-bld/build/xpcom/components/nsComponentManager.cpp:397
>
> #6 0x00007ffff3257ed9 in nsComponentManagerImpl::Init (this=0x62bc70)
>
> at
> /builds/slave/rel-m-beta-xr-lnx64-bld/build/xpcom/components/nsComponentManager.cpp:347
>
> #7 0x00007ffff32327f5 in NS_InitXPCOM2_P (result=0x7fffffffe260,
>
> binDirectory=<value optimized out>, appFileLocationProvider=0x0)
>
> at
> /builds/slave/rel-m-beta-xr-lnx64-bld/build/xpcom/build/nsXPComInit.cpp:466
>
> #8 0x0000000000400a80 in main (argc=1, argv=0x7fffffffe378)
>
> at embed_test.cpp:13
Just link with:
`pkg-config --libs libxul` -Wl,--whole-archive -lmozglue -lmemory
-Wl,--no-whole-archive
This solved the problem for me recently.
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