From: Blue Swirl <blauwirbel@gmail.com>
To: Jan Kiszka <jan.kiszka@siemens.com>, qemu-devel <qemu-devel@nongnu.org>
Cc: TeLeMan <geleman@gmail.com>
Subject: Re: [Qemu-devel] "cpu-exec.c: avoid AREG0 use" breaks x86 emulation on x86-64
Date: Fri, 1 Jul 2011 23:15:58 +0300 [thread overview]
Message-ID: <BANLkTimW27g3rE4a30vr1T10XccQEAi+sA@mail.gmail.com> (raw)
In-Reply-To: <BANLkTi=Unfpkty5TYVUvJEBp1hzbN4du=g@mail.gmail.com>
On Fri, Jul 1, 2011 at 4:44 AM, TeLeMan <geleman@gmail.com> wrote:
> On Fri, Jul 1, 2011 at 00:47, Jan Kiszka <jan.kiszka@siemens.com> wrote:
>> Hi Blue,
>>
>> commit cea5f9a28f breaks here, just starting qemu without any
>> parameters:
>>
>> Starting program: qemu-system-x86_64
>> [Thread debugging using libthread_db enabled]
>>
>> Program received signal SIGSEGV, Segmentation fault.
>> 0x00007ffff39ac770 in __sigsetjmp () from /lib64/libc.so.6
>> (gdb) bt
>> #0 0x00007ffff39ac770 in __sigsetjmp () from /lib64/libc.so.6
>> #1 0x00000000004eb96c in cpu_x86_exec (env=0x11d09a0) at cpu-exec.c:233
>> #2 0x000000000040f056 in tcg_cpu_exec (env=0x11d09a0) at cpus.c:1059
>> #3 cpu_exec_all () at cpus.c:1100
>> #4 0x000000000058cfcb in main_loop () at vl.c:1380
>> #5 main (argc=<value optimized out>, argv=<value optimized out>, envp=<value optimized out>) at vl.c:3318
>>
>> Please have a look.
>>
>> Jan
>>
>> --
>> Siemens AG, Corporate Technology, CT T DE IT 1
>> Corporate Competence Center Embedded Linux
>>
>>
> It works on gcc 4.4.5 x64. Which version is your gcc?
Works for me too. The change added a second argument to
tcg_qemu_tb_exec() and in tcg/i386/* we assume that the second
register is %rsi. Isn't that so also with your gcc?
next prev parent reply other threads:[~2011-07-01 20:16 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-30 16:47 [Qemu-devel] "cpu-exec.c: avoid AREG0 use" breaks x86 emulation on x86-64 Jan Kiszka
2011-06-30 21:17 ` Stefan Weil
2011-07-01 1:44 ` TeLeMan
2011-07-01 20:15 ` Blue Swirl [this message]
2011-07-02 7:50 ` [Qemu-devel] [PATCH] tcg: Reload local variables after return from longjmp Jan Kiszka
2011-07-02 9:08 ` Blue Swirl
2011-07-02 9:43 ` Jan Kiszka
2011-07-03 14:09 ` Paolo Bonzini
2011-07-12 20:56 ` Blue Swirl
2011-08-11 11:30 ` Peter Maydell
2011-08-11 12:16 ` Paolo Bonzini
2011-08-11 12:40 ` Peter Maydell
2011-08-11 13:13 ` Paolo Bonzini
2011-08-11 13:31 ` Peter Maydell
2011-08-11 14:10 ` Paolo Bonzini
2011-08-11 14:12 ` David Gilbert
2011-08-11 14:24 ` Peter Maydell
2011-08-11 14:32 ` Paolo Bonzini
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