%default { "store":"str", "sqnum":"0" } %verify "executed" %verify "null object" %verify "field already resolved" %verify "field not yet resolved" %verify "field cannot be resolved" /* * General 32-bit instance field put. * * for: iput, iput-object, iput-boolean, iput-byte, iput-char, iput-short */ /* op vA, vB, field@CCCC */ mov r0, rINST, lsr #12 @ r0<- B ldr r3, [rGLUE, #offGlue_methodClassDex] @ r3<- DvmDex FETCH(r1, 1) @ r1<- field ref CCCC ldr r2, [r3, #offDvmDex_pResFields] @ r2<- pDvmDex->pResFields GET_VREG(r9, r0) @ r9<- fp[B], the object pointer ldr r0, [r2, r1, lsl #2] @ r0<- resolved InstField ptr cmp r0, #0 @ is resolved entry null? bne .L${opcode}_finish @ no, already resolved 8: ldr r2, [rGLUE, #offGlue_method] @ r2<- current method EXPORT_PC() @ resolve() could throw ldr r0, [r2, #offMethod_clazz] @ r0<- method->clazz bl dvmResolveInstField @ r0<- resolved InstField ptr cmp r0, #0 @ success? bne .L${opcode}_finish @ yes, finish up b common_exceptionThrown %break /* * Currently: * r0 holds resolved field * r9 holds object */ .L${opcode}_finish: @bl common_squeak${sqnum} ldr r3, [r0, #offInstField_byteOffset] @ r3<- byte offset of field ubfx r1, rINST, #8, #4 @ r1<- A cmp r9, #0 @ check object for null GET_VREG(r0, r1) @ r0<- fp[A] beq common_errNullObject @ object was null FETCH_ADVANCE_INST(2) @ advance rPC, load rINST GET_INST_OPCODE(ip) @ extract opcode from rINST $store r0, [r9, r3] @ obj.field (8/16/32 bits)<- r0 GOTO_OPCODE(ip) @ jump to next instruction