allwinner_a64/android/art/runtime/interpreter/mterp/arm64/alt_stub.S
2018-08-08 16:48:17 +08:00

12 lines
601 B
ArmAsm

/*
* Inter-instruction transfer stub. Call out to MterpCheckBefore to handle
* any interesting requests and then jump to the real instruction
* handler. Note that the call to MterpCheckBefore is done as a tail call.
*/
.extern MterpCheckBefore
ldr xIBASE, [xSELF, #THREAD_CURRENT_IBASE_OFFSET] // refresh IBASE.
adr lr, artMterpAsmInstructionStart + (${opnum} * 128) // Addr of primary handler.
mov x0, xSELF
add x1, xFP, #OFF_FP_SHADOWFRAME
mov x2, xPC
b MterpCheckBefore // (self, shadow_frame, dex_pc_ptr) Note: tail call.