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[Qemu-devel] [ARM on x86 user mode] segfault during call to gethostbynam
From: |
Karel Gardas |
Subject: |
[Qemu-devel] [ARM on x86 user mode] segfault during call to gethostbyname |
Date: |
Wed, 18 Feb 2004 09:09:16 +0100 (CET) |
Hello,
during my attempt to debug qemu issues on ARM user emulation running MICO
binaries, I have found that the last function which we call before crash
is gethostbyname (I have used -d to found it out, great option btw :-))
So I have written as simple as possible testcase which looks:
----
#include <netdb.h>
int
main()
{
struct hostent *hent = gethostbyname ("localhost");
return 0;
}
----
compiled with arm-unknown-linux-gnu-gcc -static -o arm-gethostbyname
gethostbyname.c it produces static binary which is able to duplicate this
issue.
thinkpad:/tmp$ arm.sh -d ./arm-gethostbyname
qemu: uncaught target signal 11 (Segmentation fault) - exiting
thinkpad:/tmp$
I can also provide you with full binary on request.
Stupid question: is there any way how to debug QEMU better? i.e. how to
where is the problem?
Thanks,
Karel
--
Karel Gardas address@hidden
ObjectSecurity Ltd. http://www.objectsecurity.com
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