#pragma INTERRUPT(IRQ) is ignored on template method of template

Libor Votocek

Other Parts Discussed in Thread: TMS570LS1224

Hi,

I'm have TI ARM Compiler v5.2.6 (linux version), target device is TMS570LS1224 and found problem on C++ templates and #pragma INTERRUPT(IRQ).

In next example #pragma INTERRUPT(IRQ) is ignored and no warning is issued. Static method interruptHandler() is compiled as *normal* method.

//header file

template <typename InterruptDriver>
class Foo {
   template<std::size_t INT_CHANNEL>
   static void interruptHandler();
}

#pragma INTERRUPT(IRQ)
template <typename InterruptDriver>
template<std::size_t INT_CHANNEL>
static void interruptHandler()
{
   //some code
}

If merhod body is inlined into class (template) declaration like in next example, everything is OK. Method is compiled as IRQ handler.

//header file

template <typename InterruptDriver>
class Foo {

#pragma INTERRUPT(IRQ)
  template<std::size_t INT_CHANNEL>
  static void interruptHandler() {
     //some code
   }
}

I belive, that first example should work too, or am I wrong?

Thanks

Libor Votocek*

over 8 years ago

0 George Mock over 8 years ago

TI__Guru**** 232920 points

Try using the equivalent GCC attribute instead of the #pragma. It would look like this ...

static void interruptHandler()
__attribute__(( interrupt("IRQ") ))
{
   // some code
}

Thanks and regards,

-George

0 Libor Votocek over 8 years ago in reply to George Mock

Prodigy 20 points

OK, GCC attribute works as expected. I will update our rules to use this one instead of pragmas.

Many thanks.

Libor.

0 Archaeologist over 8 years ago

TI__Guru* 84225 points

FYI, you need to write the out-of-line definition like this:

template <typename InterruptDriver>
template <std::size_t INT_CHANNEL>
static void Foo<InterruptDriver>::interruptHandler()
{
  //some code
}

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#pragma INTERRUPT(IRQ) is ignored on template method of template