[Issue 1829] Inline assembler cannot get label addresses

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=1829





------- Comment #3 from burton-radons at shaw.ca  2008-03-10 14:45 -------
That's a bizarre workaround. If I needed to get the address of a block of code
(such as an exception handler) I'd have to do something like this:

  call grab_exception_handler_address; // Grab the exception handler and put it
in EAX.
  ...

grab_exception_handler_address:
  // Try to make it as thread-safe as possible to tell the exception handler
we're pulling an address.
  mov EAX, 0xDEADBEEF;
  mov ECX, 0xBEEFDEAD;
  mov EDX, 0x12345678;
  call exception_handler;
  mov EAX, [ESP];
  ret;

exception_handler:
  test EAX, 0xDEADBEEF;
  jne exception_handler_body;
  test ECX, 0xBEEFDEAD;
  jne exception_handler_body;
  test EDX, 0x12345678;
  jne exception_handler_body;
  // Pulling an address, do nothing.
  ret;
exception_handler_body:
  // Actually calling the exception.

I don't know that I'd call that "straightforward", but I understand you being
limited by your code.


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