Powerpc assembly instruction bl SYM

Question

What is the meaning of "SYM" in the following powerpc assembly code branch instruction?

bl SYM (_subroutine)

score 0 · Answer 1 · answered Sep 22 '16 at 20:40

0

SYM is a macro defined in asm.h

#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)

answered Sep 22 '16 at 20:40

Brad A.

And __USER_LABEL_PREFIX__ is generally "", so it essentially does nothing. – mpe Nov 18 '16 at 10:52

1 Answers1