Re: [Valgrind-developers] Darwin asm vs Linux asm

[Bart V. A. <bar...@gm...>]

On Thu, Feb 26, 2009 at 3:47 AM, Nicholas Nethercote
<n.n...@gm...> wrote:
> On Wed, Feb 25, 2009 at 5:56 PM, Bart Van Assche
> <bar...@gm...> wrote:
>> On Wed, Feb 25, 2009 at 3:50 AM, Nicholas Nethercote
>> <n.n...@gm...> wrote:
>>> x86/Linux assembly code and x86/Darwin assembly code appear to be
>>> different dialects.  Some of the tests in none/tests/x86/ and
>>> memcheck/tests/x86/ compile on x86/Darwin, eg.
>>> memcheck/tests/bug152022.  But some don't, eg. pushfpopf, because
>>> x86/Darwin assembler doesn't accept the .type and .size options.
>>>
>>> The easiest thing to do is move the ones that don't compile on Darwin
>>> into an x86-linux/ directory.  Anyone have any strong opinons about
>>> this, or other insights?
>>
>> Which standards apply to x86 assembler syntax ?
>
> I'm not sure that there are any.  This seems to be the definitive
> documentation on Mac/x86 assembly:
>
> http://developer.apple.com/DOCUMENTATION/DeveloperTools/Reference/Assembler/index.html

Does this mean that gcc on Darwin does not use gas but another
assembler ? Is the gcc command-line option -mgas supported by gcc on
Darwin ?

Bart.