20 lines
743 B
ArmAsm
20 lines
743 B
ArmAsm
/*
|
|
* Inter-instruction transfer stub. Call out to MterpCheckBefore to handle
|
|
* any interesting requests and then jump to the real instruction
|
|
* handler. Unlike the Arm handler, we can't do this as a tail call
|
|
* because rIBASE is caller save and we need to reload it.
|
|
*
|
|
* Note that unlike in the Arm implementation, we should never arrive
|
|
* here with a zero breakFlag because we always refresh rIBASE on
|
|
* return.
|
|
*/
|
|
.extern MterpCheckBefore
|
|
EXPORT_PC
|
|
|
|
movl rSELF, %ecx
|
|
movl %ecx, OUT_ARG0(%esp)
|
|
leal OFF_FP_SHADOWFRAME(rFP), %eax
|
|
movl %eax, OUT_ARG1(%esp)
|
|
call SYMBOL(MterpCheckBefore) # (self, shadow_frame)
|
|
REFRESH_IBASE
|
|
jmp .L_op_nop+(${opnum}*${handler_size_bytes})
|