Re: testsuite, simulators, and argv[0]

[Mark Mitchell <mark at codesourcery dot com>]

Andreas Schwab wrote:
> Mark Mitchell <mark@codesourcery.com> writes:
> 
>> However, I think an even better fix is just to hard-code the string and
>> make it volatile.  Presumably, the use of argv[0] here is just to keep
>> the compiler from optimizing the program away.  So, I suggest doing
>> something like:
>>
>>   volatile char *x = "pr36321.exe";
> 
> ITYM:
> 
>     char *volatile x = "pr36321.exe";

Either should work; in either case, the compiler cannot assume the
length of the string is computable at compile-time.  (For example, in
the case I gave, the "r" character could magically become "\0".)

But, yes, your version is probably clearer.  Or, we can put the volatile
in both places.

Thanks,

-- 
Mark Mitchell
CodeSourcery
mark@codesourcery.com
(650) 331-3385 x713