%default { "isrange":"0", "routine":"NoRange" } %verify "executed" %verify "unknown method" %verify "null object" /* * Handle a virtual method call. * * for: invoke-virtual, invoke-virtual/range */ /* op vB, {vD, vE, vF, vG, vA}, class@CCCC */ /* op vAA, {vCCCC..v(CCCC+AA-1)}, meth@BBBB */ ldr r3, [rGLUE, #offGlue_methodClassDex] @ r3<- pDvmDex FETCH(r1, 1) @ r1<- BBBB ldr r3, [r3, #offDvmDex_pResMethods] @ r3<- pDvmDex->pResMethods FETCH(r10, 2) @ r10<- GFED or CCCC ldr r0, [r3, r1, lsl #2] @ r0<- resolved baseMethod .if (!$isrange) and r10, r10, #15 @ r10<- D (or stays CCCC) .endif cmp r0, #0 @ already resolved? EXPORT_PC() @ must export for invoke bne .L${opcode}_continue @ yes, continue on ldr r3, [rGLUE, #offGlue_method] @ r3<- glue->method ldr r0, [r3, #offMethod_clazz] @ r0<- method->clazz mov r2, #METHOD_VIRTUAL @ resolver method type bl dvmResolveMethod @ r0<- call(clazz, ref, flags) cmp r0, #0 @ got null? bne .L${opcode}_continue @ no, continue b common_exceptionThrown @ yes, handle exception %break /* * At this point: * r0 = resolved base method * r10 = C or CCCC (index of first arg, which is the "this" ptr) */ .L${opcode}_continue: GET_VREG(r1, r10) @ r1<- "this" ptr ldrh r2, [r0, #offMethod_methodIndex] @ r2<- baseMethod->methodIndex cmp r1, #0 @ is "this" null? beq common_errNullObject @ null "this", throw exception ldr r3, [r1, #offObject_clazz] @ r1<- thisPtr->clazz ldr r3, [r3, #offClassObject_vtable] @ r3<- thisPtr->clazz->vtable ldr r0, [r3, r2, lsl #2] @ r3<- vtable[methodIndex] bl common_invokeMethod${routine} @ continue on