ack/mach/powerpc/top
George Koehler 04ac91889c Only lower "addi sp, sp, X" if X > 0.
If X < 0, then lowering the addi might cause the code to use the stack
space before allocating it.  This is a bug because an asynchronous
signal handler can overwrite the unallocated stack space.
2018-02-01 12:20:31 -05:00
..
table Only lower "addi sp, sp, X" if X > 0. 2018-02-01 12:20:31 -05:00