/* * For polymorphic callsites - setup the Dalvik frame and load Dalvik PC * into rPC then jump to dvmJitToInterpNoChain to dispatch the * runtime-resolved callee. */ # a0 = methodToCall, a1 = returnCell, rPC = dalvikCallsite lh t7, offMethod_registersSize(a0) # t7<- methodToCall->regsSize lh a2, offMethod_outsSize(a0) # a2<- methodToCall->outsSize lw t9, offThread_interpStackEnd(rSELF) # t9<- interpStackEnd lbu t8, offThread_breakFlags(rSELF) # t8<- breakFlags move a3, a1 # a3<- returnCell SAVEAREA_FROM_FP(a1, rFP) # a1<- stack save area sll t6, t7, 2 # multiply regsSize by 4 (4 bytes per reg) sub a1, a1, t6 # a1<- newFp(old savearea-regsSize) SAVEAREA_FROM_FP(t0, a1) # t0<- stack save area sll t6, a2, 2 # multiply outsSize by 4 (4 bytes per reg) sub t0, t0, t6 # t0<- bottom (newsave-outsSize) bgeu t0, t9, 1f # bottom < interpStackEnd? RETURN # return to raise stack overflow excep. 1: # a1 = newFP, a0 = methodToCall, a3 = returnCell, rPC = dalvikCallsite lw t9, offMethod_clazz(a0) # t9<- methodToCall->clazz lw t0, offMethod_accessFlags(a0) # t0<- methodToCall->accessFlags sw rPC, (offStackSaveArea_currentPc - sizeofStackSaveArea)(rFP) sw rPC, (offStackSaveArea_savedPc - sizeofStackSaveArea)(a1) lw rPC, offMethod_insns(a0) # rPC<- methodToCall->insns # set up newSaveArea sw rFP, (offStackSaveArea_prevFrame - sizeofStackSaveArea)(a1) sw a3, (offStackSaveArea_returnAddr - sizeofStackSaveArea)(a1) sw a0, (offStackSaveArea_method - sizeofStackSaveArea)(a1) beqz t8, 2f # breakFlags != 0 RETURN # bail to the interpreter 2: and t6, t0, ACC_NATIVE beqz t6, 3f #if !defined(WITH_SELF_VERIFICATION) j .LinvokeNative #else RETURN # bail to the interpreter #endif 3: # continue executing the next instruction through the interpreter la t0, .LdvmJitToInterpTraceSelectNoChain # defined in footer.S lw rTEMP, (t0) lw a3, offClassObject_pDvmDex(t9) # a3<- method->clazz->pDvmDex # Update "thread" values for the new method sw a0, offThread_method(rSELF) # self->method = methodToCall sw a3, offThread_methodClassDex(rSELF) # self->methodClassDex = ... move rFP, a1 # fp = newFp sw rFP, offThread_curFrame(rSELF) # self->curFrame = newFp #if defined(TEMPLATE_INLINE_PROFILING) # preserve rTEMP,a1-a3 SCRATCH_STORE(rTEMP, 0) SCRATCH_STORE(a1, 4) SCRATCH_STORE(a2, 8) SCRATCH_STORE(a3, 12) # a0=methodToCall, a1=rSELF move a1, rSELF la t9, dvmFastMethodTraceEnter JALR(t9) lw gp, STACK_OFFSET_GP(sp) # restore rTEMP,a1-a3 SCRATCH_LOAD(a3, 12) SCRATCH_LOAD(a2, 8) SCRATCH_LOAD(a1, 4) SCRATCH_LOAD(rTEMP, 0) #endif # Start executing the callee #if defined(WITH_JIT_TUNING) li a0, kInlineCacheMiss #endif jr rTEMP # dvmJitToInterpTraceSelectNoChain