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26 #include <mach/vm_param.h>
29 .private_extern __a2a3_tramphead
30 .private_extern __a2a3_firsttramp
31 .private_extern __a2a3_nexttramp
32 .private_extern __a2a3_trampend
37 andl $0xFFFFFFF8, %eax
38 subl $ PAGE_SIZE, %eax
39 movl 8(%esp), %ecx // self -> ecx
40 movl %ecx, 12(%esp) // ecx -> _cmd
41 movl (%eax), %ecx // blockPtr -> ecx
42 movl %ecx, 8(%esp) // ecx -> self
43 jmp *12(%ecx) // tail to block->invoke
45 .macro TrampolineEntry