1 %verify "executed" 2 %verify "class not resolved" 3 %verify "class cannot be resolved" 4 %verify "class not initialized" 5 %verify "class fails to initialize" 6 %verify "class already resolved/initialized" 7 %verify "class is abstract or interface" 8 %verify "allocation fails" 9 /* 10 * Create a new instance of a class. 11 */ 12 /* new-instance vAA, class@BBBB */ 13 movl rSELF,%ecx 14 movzwl 2(rPC),%eax # eax<- BBBB 15 movl offThread_methodClassDex(%ecx),%ecx # ecx<- pDvmDex 16 SPILL(rIBASE) 17 SPILL_TMP2(%ebx) 18 movl offDvmDex_pResClasses(%ecx),%ecx # ecx<- pDvmDex->pResClasses 19 EXPORT_PC 20 #if defined(WITH_JIT) 21 lea (%ecx,%eax,4),%ebx # ebx <- &resolved class 22 #endif 23 movl (%ecx,%eax,4),%ecx # ecx<- resolved class 24 testl %ecx,%ecx # resolved? 25 je .L${opcode}_resolve # no, go do it 26 .L${opcode}_resolved: # on entry, ecx<- class 27 cmpb $$CLASS_INITIALIZED,offClassObject_status(%ecx) 28 jne .L${opcode}_needinit 29 .L${opcode}_initialized: # on entry, ecx<- class 30 movl $$ALLOC_DONT_TRACK,OUT_ARG1(%esp) 31 movl %ecx,OUT_ARG0(%esp) 32 call dvmAllocObject # eax<- new object 33 testl %eax,%eax # success? 34 je common_exceptionThrown # no, bail out 35 #if defined(WITH_JIT) 36 /* 37 * The JIT needs the class to be fully resolved before it can 38 * include this instruction in a trace. 39 */ 40 movl rSELF, %ecx 41 movl offThread_subMode(%ecx), %ecx 42 andl $$kSubModeJitTraceBuild, %ecx # under construction? 43 jne .L${opcode}_jitCheck 44 #endif 45 .L${opcode}_end: 46 UNSPILL_TMP2(%ebx) 47 SET_VREG %eax rINST 48 UNSPILL(rIBASE) 49 FETCH_INST_OPCODE 2 %ecx 50 ADVANCE_PC 2 51 GOTO_NEXT_R %ecx 52 53 #if defined(WITH_JIT) 54 /* 55 * Check to see if we need to stop the trace building early. 56 * eax: new object 57 */ 58 .L${opcode}_jitCheck: 59 cmp $$0, (%ebx) # okay? 60 jne .L${opcode}_end # yes, finish 61 SPILL_TMP1(%eax) # preserve new object 62 movl rSELF, %ecx 63 movl %ecx, OUT_ARG0(%esp) 64 movl rPC, OUT_ARG1(%esp) 65 call dvmJitEndTraceSelect # (self, pc) 66 UNSPILL_TMP1(%eax) 67 UNSPILL_TMP2(%ebx) 68 SET_VREG %eax rINST # vAA <- new object 69 UNSPILL(rIBASE) 70 FETCH_INST_OPCODE 2 %ecx 71 ADVANCE_PC 2 72 GOTO_NEXT_R %ecx 73 #endif 74 75 /* 76 * Class initialization required. 77 * 78 * ecx holds class object 79 */ 80 .L${opcode}_needinit: 81 SPILL_TMP1(%ecx) # save object 82 movl %ecx,OUT_ARG0(%esp) 83 call dvmInitClass # initialize class 84 UNSPILL_TMP1(%ecx) # restore object 85 testl %eax,%eax # success? 86 jne .L${opcode}_initialized # success, continue 87 jmp common_exceptionThrown # go deal with init exception 88 89 /* 90 * Resolution required. This is the least-likely path. 91 * 92 */ 93 .L${opcode}_resolve: 94 movl rSELF,%ecx 95 movzwl 2(rPC),%eax 96 movl offThread_method(%ecx),%ecx # ecx<- self->method 97 movl %eax,OUT_ARG1(%esp) 98 movl offMethod_clazz(%ecx),%ecx # ecx<- method->clazz 99 movl $$0,OUT_ARG2(%esp) 100 movl %ecx,OUT_ARG0(%esp) 101 call dvmResolveClass # call(clazz,off,flags) 102 movl %eax,%ecx # ecx<- resolved ClassObject ptr 103 testl %ecx,%ecx # success? 104 jne .L${opcode}_resolved # good to go 105 jmp common_exceptionThrown # no, handle exception 106
