Re: [Qemu-devel] X86_64 (AMD64) build segfaults

[address@hidden]

Hello Jonas, here is the output of the command you gave me for this function, 
does this help ?


0000000000001ab0 <op_bsfw_T0_cc>:
    1ab0:       89 d8                   mov    %ebx,%eax
    1ab2:       25 ff ff 00 00          and    $0xffff,%eax
    1ab7:       75 27                   jne    1ae0 <op_bsfw_T0_cc+0x30>
    1ab9:       eb 19                   jmp    1ad4 <op_bsfw_T0_cc+0x24>
    1abb:       31 d2                   xor    %edx,%edx
    1abd:       66                      data16
    1abe:       66                      data16
    1abf:       90                      nop
    1ac0:       d1 f8                   sar    %eax
    1ac2:       ff c2                   inc    %edx
    1ac4:       a8 01                   test   $0x1,%al
    1ac6:       74 f8                   je     1ac0 <op_bsfw_T0_cc+0x10>
    1ac8:       41 89 d4                mov    %edx,%r12d
    1acb:       c7 45 2c 01 00 00 00    movl   $0x1,0x2c(%rbp)
    1ad2:       eb 07                   jmp    1adb <op_bsfw_T0_cc+0x2b>
    1ad4:       c7 45 2c 00 00 00 00    movl   $0x0,0x2c(%rbp)
    1adb:       c3                      retq
    1adc:       66                      data16
    1add:       66                      data16
    1ade:       66                      data16
    1adf:       90                      nop
    1ae0:       31 d2                   xor    %edx,%edx
    1ae2:       a8 01                   test   $0x1,%al
    1ae4:       75 e2                   jne    1ac8 <op_bsfw_T0_cc+0x18>
    1ae6:       eb d3                   jmp    1abb <op_bsfw_T0_cc+0xb>
    1ae8:       66                      data16
    1ae9:       66                      data16
    1aea:       66                      data16
    1aeb:       90                      nop
    1aec:       66                      data16
    1aed:       66                      data16
    1aee:       66                      data16
    1aef:       90                      nop










On Fri, 22 Apr 2005 17:01:27 +0200
Jonas Maebe <address@hidden> wrote:

> 
> On 22 apr 2005, at 16:50, address@hidden wrote:
> 
> > dyngen: ret or jmp expected at the end of op_bsfw_T0_cc
> >
> > any ideas for that ? :)
> 
> gcc 4.0 apparently performs some sort of optimization which is 
> incompatible with qemu's object parser. Post the code of that routine 
> to have people see what the problem is. To get it, do
> 
> objdump -d target-i386/op.o |less
> 
> search for op_bsfw_T0_cc and post the code of that routine.
> 
> 
> Jonas
> 
> 
> 
> _______________________________________________
> Qemu-devel mailing list
> address@hidden
> http://lists.nongnu.org/mailman/listinfo/qemu-devel