1 @ r0 = methodToCall, r1 = returnCell, rPC = dalvikCallsite 2 @ r7 = methodToCall->registersSize 3 ldr r9, [rSELF, #offThread_interpStackEnd] @ r9<- interpStackEnd 4 ldrb r8, [rSELF, #offThread_breakFlags] @ r8<- breakFlags 5 add r3, r1, #1 @ Thumb addr is odd 6 SAVEAREA_FROM_FP(r1, rFP) @ r1<- stack save area 7 sub r1, r1, r7, lsl #2 @ r1<- newFp (old savearea - regsSize) 8 SAVEAREA_FROM_FP(r10, r1) @ r10<- stack save area 9 cmp r10, r9 @ bottom < interpStackEnd? 10 bxlo lr @ return to raise stack overflow excep. 11 @ r1 = newFP, r0 = methodToCall, r3 = returnCell, rPC = dalvikCallsite 12 str rPC, [rFP, #(offStackSaveArea_currentPc - sizeofStackSaveArea)] 13 str rPC, [r1, #(offStackSaveArea_savedPc - sizeofStackSaveArea)] 14 15 @ set up newSaveArea 16 str rFP, [r1, #(offStackSaveArea_prevFrame - sizeofStackSaveArea)] 17 str r3, [r1, #(offStackSaveArea_returnAddr - sizeofStackSaveArea)] 18 str r0, [r1, #(offStackSaveArea_method - sizeofStackSaveArea)] 19 cmp r8, #0 @ breakFlags != 0 20 ldr r8, [r0, #offMethod_nativeFunc] @ r8<- method->nativeFunc 21 #if !defined(WITH_SELF_VERIFICATION) 22 bxne lr @ bail to the interpreter 23 #else 24 bx lr @ bail to interpreter unconditionally 25 #endif 26 27 @ go ahead and transfer control to the native code 28 ldr r9, [rSELF, #offThread_jniLocal_topCookie]@r9<-thread->localRef->... 29 mov r2, #0 30 str r1, [rSELF, #offThread_curFrame] @ curFrame = newFp 31 str r2, [rSELF, #offThread_inJitCodeCache] @ not in the jit code cache 32 str r9, [r1, #(offStackSaveArea_localRefCookie - sizeofStackSaveArea)] 33 @ newFp->localRefCookie=top 34 SAVEAREA_FROM_FP(r10, r1) @ r10<- new stack save area 35 36 mov r2, r0 @ arg2<- methodToCall 37 mov r0, r1 @ arg0<- newFP 38 add r1, rSELF, #offThread_retval @ arg1<- &retval 39 mov r3, rSELF @ arg3<- self 40 #if defined(TEMPLATE_INLINE_PROFILING) 41 @ r2=methodToCall, r6=rSELF 42 stmfd sp!, {r2,r6} @ to be consumed after JNI return 43 stmfd sp!, {r0-r3} @ preserve r0-r3 44 mov r0, r2 45 mov r1, r6 46 @ r0=JNIMethod, r1=rSELF 47 mov lr, pc 48 ldr pc, .LdvmFastMethodTraceEnter 49 ldmfd sp!, {r0-r3} @ restore r0-r3 50 #endif 51 52 blx r8 @ off to the native code 53 54 #if defined(TEMPLATE_INLINE_PROFILING) 55 ldmfd sp!, {r0-r1} @ restore r2 and r6 56 @ r0=JNIMethod, r1=rSELF 57 mov lr, pc 58 ldr pc, .LdvmFastNativeMethodTraceExit 59 #endif 60 @ native return; r10=newSaveArea 61 @ equivalent to dvmPopJniLocals 62 ldr r2, [r10, #offStackSaveArea_returnAddr] @ r2 = chaining cell ret 63 ldr r0, [r10, #offStackSaveArea_localRefCookie] @ r0<- saved->top 64 ldr r1, [rSELF, #offThread_exception] @ check for exception 65 str rFP, [rSELF, #offThread_curFrame] @ curFrame = fp 66 cmp r1, #0 @ null? 67 str r0, [rSELF, #offThread_jniLocal_topCookie] @ new top <- old top 68 ldr r0, [rFP, #(offStackSaveArea_currentPc - sizeofStackSaveArea)] 69 70 @ r0 = dalvikCallsitePC 71 bne .LhandleException @ no, handle exception 72 73 str r2, [rSELF, #offThread_inJitCodeCache] @ set the mode properly 74 cmp r2, #0 @ return chaining cell still exists? 75 bxne r2 @ yes - go ahead 76 77 @ continue executing the next instruction through the interpreter 78 ldr r1, .LdvmJitToInterpTraceSelectNoChain @ defined in footer.S 79 add rPC, r0, #6 @ reconstruct new rPC (advance 6 bytes) 80 #if defined(WITH_JIT_TUNING) 81 mov r0, #kCallsiteInterpreted 82 #endif 83 mov pc, r1 84
