| /* |
| * Unwind a frame from the Dalvik stack for compiled OP_RETURN_XXX. |
| * If the stored value in returnAddr |
| * is non-zero, the caller is compiled by the JIT thus return to the |
| * address in the code cache following the invoke instruction. Otherwise |
| * return to the special dvmJitToInterpNoChain entry point. |
| */ |
| SAVEAREA_FROM_FP(r0, rFP) @ r0<- saveArea (old) |
| ldr r10, [r0, #offStackSaveArea_prevFrame] @ r10<- saveArea->prevFrame |
| ldr r8, [rGLUE, #offGlue_pSelfSuspendCount] @ r8<- &suspendCount |
| ldr rPC, [r0, #offStackSaveArea_savedPc] @ rPC<- saveArea->savedPc |
| #if !defined(WITH_SELF_VERIFICATION) |
| ldr r9, [r0, #offStackSaveArea_returnAddr] @ r9<- chaining cell ret |
| #else |
| mov r9, #0 @ disable chaining |
| #endif |
| ldr r2, [r10, #(offStackSaveArea_method - sizeofStackSaveArea)] |
| @ r2<- method we're returning to |
| ldr r3, [rGLUE, #offGlue_self] @ r3<- glue->self |
| cmp r2, #0 @ break frame? |
| #if !defined(WITH_SELF_VERIFICATION) |
| beq 1f @ bail to interpreter |
| #else |
| blxeq lr @ punt to interpreter and compare state |
| #endif |
| ldr r1, .LdvmJitToInterpNoChainNoProfile @ defined in footer.S |
| mov rFP, r10 @ publish new FP |
| ldrne r10, [r2, #offMethod_clazz] @ r10<- method->clazz |
| ldr r8, [r8] @ r8<- suspendCount |
| |
| str r2, [rGLUE, #offGlue_method]@ glue->method = newSave->method |
| ldr r0, [r10, #offClassObject_pDvmDex] @ r0<- method->clazz->pDvmDex |
| str rFP, [r3, #offThread_curFrame] @ self->curFrame = fp |
| add rPC, rPC, #6 @ publish new rPC (advance 6 bytes) |
| str r0, [rGLUE, #offGlue_methodClassDex] |
| cmp r8, #0 @ check the suspendCount |
| movne r9, #0 @ clear the chaining cell address |
| str r9, [r3, #offThread_inJitCodeCache] @ in code cache or not |
| cmp r9, #0 @ chaining cell exists? |
| blxne r9 @ jump to the chaining cell |
| #if defined(WITH_JIT_TUNING) |
| mov r0, #kCallsiteInterpreted |
| #endif |
| mov pc, r1 @ callsite is interpreted |
| 1: |
| stmia rGLUE, {rPC, rFP} @ SAVE_PC_FP_TO_GLUE() |
| ldr r2, .LdvmMterpStdBail @ defined in footer.S |
| mov r1, #0 @ changeInterp = false |
| mov r0, rGLUE @ Expecting rGLUE in r0 |
| blx r2 @ exit the interpreter |