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 $$0xf,rINST # rINST<- D (or stays CCCC) 21 .endif 22 GET_VREG_R %edx rINST # %edx<- "this" ptr 23 testl %edx,%edx # null "this"? 24 SPILL_TMP1(%edx) 25 je common_errNullObject # yes, throw 26 movl offMethod_clazz(%eax),%eax # eax<- method->clazz 27 testl %ecx,%ecx # already resolved? 28 je .L${opcode}_resolve 29 /* 30 * At this point: 31 * ecx = resolved base method [r0] 32 * eax = method->clazz [r9] 33 */ 34 .L${opcode}_continue: 35 movl offClassObject_super(%eax),%eax # eax<- method->clazz->super 36 movzwl offMethod_methodIndex(%ecx),%edx # edx<- baseMthod->methodIndex 37 cmpl offClassObject_vtableCount(%eax),%edx # compare(methodIndex,vtableCount) 38 jae .L${opcode}_nsm # method not present in superclass 39 movl offClassObject_vtable(%eax),%eax # eax<- ...clazz->super->vtable 40 movl (%eax,%edx,4),%eax # eax<- vtable[methodIndex] 41 UNSPILL_TMP1(%edx) 42 movl %edx, %ecx 43 jmp common_invokeMethod${routine} 44 45 46 /* At this point: 47 * ecx = null (needs to be resolved base method) 48 * eax = method->clazz 49 */ 50 .L${opcode}_resolve: 51 SPILL_TMP2(%eax) # method->clazz 52 movl %eax,OUT_ARG0(%esp) # arg0<- method->clazz 53 movzwl 2(rPC),%ecx # ecx<- BBBB 54 movl $$METHOD_VIRTUAL,OUT_ARG2(%esp) # arg2<- resolver method type 55 movl %ecx,OUT_ARG1(%esp) # arg1<- ref 56 call dvmResolveMethod # eax<- call(clazz, ref, flags) 57 testl %eax,%eax # got null? 58 movl %eax,%ecx # ecx<- resolved base method 59 UNSPILL_TMP2(%eax) # restore method->clazz 60 jne .L${opcode}_continue # good to go - continue 61 jmp common_exceptionThrown # handle exception 62 63 /* 64 * Throw a NoSuchMethodError with the method name as the message. 65 * ecx = resolved base method 66 */ 67 .L${opcode}_nsm: 68 movl offMethod_name(%ecx),%eax 69 jmp common_errNoSuchMethod 70
