[Issue 9931] Bus error interfacing with C function returning structs with floats

Wed Apr 17 00:04:54 PDT 2013

http://d.puremagic.com/issues/show_bug.cgi?id=9931

John Colvin <john.loughran.colvin at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |john.loughran.colvin at gmail.
                   |                            |com

--- Comment #9 from John Colvin <john.loughran.colvin at gmail.com> 2013-04-17 08:04:52 BST ---
(In reply to comment #7)
> 0x0000267c <D4test3barFZS4test3Foo+20>: call   0x26a0 <foo>
> 0x00002681 <D4test3barFZS4test3Foo+25>: add    $0xc,%esp
> 0x00002684 <D4test3barFZS4test3Foo+28>: mov    %eax,%esi // <- EAX is trashed
> 0x00002686 <D4test3barFZS4test3Foo+30>: mov    -0x4(%ebp),%edi
> 0x00002689 <D4test3barFZS4test3Foo+33>: movsl  %ds:(%esi),%es:(%edi)
> 0x0000268a <D4test3barFZS4test3Foo+34>: movsl  %ds:(%esi),%es:(%edi)
> 0x0000268b <D4test3barFZS4test3Foo+35>: movsl  %ds:(%esi),%es:(%edi)

You're reading it the wrong way around, at&t is src,des

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