1 %default { "isrange":"0", "routine":"NoRange" } 2 %verify "executed" 3 %verify "unknown method" 4 /* 5 * Handle a "super" method call. 6 * 7 * for: invoke-super, invoke-super/range 8 */ 9 /* op vB, {vD, vE, vF, vG, vA}, class@CCCC */ 10 /* op vAA, {vCCCC..v(CCCC+AA-1)}, meth@BBBB */ 11 movl rSELF,rINST 12 movzwl 2(rPC),%eax # eax<- BBBB 13 movl offThread_methodClassDex(rINST),%ecx # ecx<- pDvmDex 14 EXPORT_PC 15 movl offDvmDex_pResMethods(%ecx),%ecx # ecx<- pDvmDex->pResMethods 16 movl (%ecx,%eax,4),%ecx # ecx<- resolved baseMethod 17 movl offThread_method(rINST),%eax # eax<- method 18 movzwl 4(rPC),rINST # rINST<- GFED or CCCC 19 .if (!$isrange) 20 andl $$0xf,rINST # rINST<- D (or stays CCCC) 21 .endif 22 GET_VREG_R rINST rINST # rINST<- "this" ptr 23 testl rINST,rINST # null "this"? 24 je common_errNullObject # yes, throw 25 movl offMethod_clazz(%eax),%eax # eax<- method->clazz 26 testl %ecx,%ecx # already resolved? 27 je .L${opcode}_resolve 28 /* 29 * At this point: 30 * ecx = resolved base method [r0] 31 * eax = method->clazz [r9] 32 */ 33 .L${opcode}_continue: 34 movl offClassObject_super(%eax),%eax # eax<- method->clazz->super 35 movzwl offMethod_methodIndex(%ecx),%ecx # ecx<- baseMthod->methodIndex 36 cmpl offClassObject_vtableCount(%eax),%ecx # compare(methodIndex,vtableCount) 37 jae .L${opcode}_nsm # method not present in superclass 38 movl offClassObject_vtable(%eax),%eax # eax<- ...clazz->super->vtable 39 movl (%eax,%ecx,4),%eax # eax<- vtable[methodIndex] 40 jmp common_invokeMethod${routine} 41 42 43 /* At this point: 44 * ecx = null (needs to be resolved base method) 45 * eax = method->clazz 46 */ 47 .L${opcode}_resolve: 48 SPILL_TMP1(%eax) # method->clazz 49 movl %eax,OUT_ARG0(%esp) # arg0<- method->clazz 50 movzwl 2(rPC),%ecx # ecx<- BBBB 51 movl $$METHOD_VIRTUAL,OUT_ARG2(%esp) # arg2<- resolver method type 52 movl %ecx,OUT_ARG1(%esp) # arg1<- ref 53 call dvmResolveMethod # eax<- call(clazz, ref, flags) 54 testl %eax,%eax # got null? 55 movl %eax,%ecx # ecx<- resolved base method 56 UNSPILL_TMP1(%eax) # restore method->clazz 57 jne .L${opcode}_continue # good to go - continue 58 jmp common_exceptionThrown # handle exception 59 60 /* 61 * Throw a NoSuchMethodError with the method name as the message. 62 * ecx = resolved base method 63 */ 64 .L${opcode}_nsm: 65 movl offMethod_name(%ecx),%eax 66 jmp common_errNoSuchMethod 67
