>>> On 15.01.15 at 17:27, <[email protected]> wrote:
> On 15/01/15 15:25, Jan Beulich wrote:
>> Now that we have two cases where patches against hvmloader got
>> submitted needing to include the hypervisor's errno.h (for the host's
>> system header not necessarily reflecting the correct numbers), take
>> this as a strong sign that we need to make the error return values part
>> of the hypervisor ABI (which de-fact they've always been).
>>
>> Signed-off-by: Jan Beulich <[email protected]>
>
> How do the non XEN_ prefixed E$FOO get generated with this? All
> "#define XEN_ERRNO(...)" tokenise XEN_## onto the name.
No:
>> --- a/xen/include/xen/errno.h
>> +++ b/xen/include/xen/errno.h
>> [...]
>> +#ifndef __ASSEMBLY__
>>
>> -#define ENOMEDIUM 123 /* No medium found */
>> -#define EMEDIUMTYPE 124 /* Wrong medium type */
>> +#define XEN_ERRNO(name, value) name = XEN_##name,
The XEN_## one is on the right side here ...
>> +enum {
>> +#include <public/errno.h>
>> +};
>>
>> -/* ` } */
>> +#else /* !__ASSEMBLY__ */
>>
>> -#endif
>> +#define XEN_ERRNO(name, value) .equ name, XEN_##name
... and here.
Jan
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