On 22 Sep 2015, at 12:47, H.J. Lu wrote:
>
> since __builtin_exception_error () is the same as
> __builtin_return_address (0) and __builtin_interrupt_data () is
> address of __builtin_exception_error () + size of register.
Except that they’re *not*. __builtin_return_address(0) is guaranteed to
On 22 Sep 2015, at 12:39, H.J. Lu via cfe-dev wrote:
>
> The center piece of my proposal is not to change how parameters
> are passed in compiler. As for user experience, the feedbacks on
> my proposal from our users are very positive.
Implementing the intrinsics for getting the current interru
On 21 Sep 2015, at 21:45, H.J. Lu via cfe-dev wrote:
>
> The main purpose of x86 interrupt attribute is to allow programmers
> to write x86 interrupt/exception handlers in C WITHOUT assembly
> stubs to avoid extra branch from assembly stubs to C functions. I
> want to keep the number of new intr
