%default { "barrier":"@ no-op " } %verify "executed" %verify "field already resolved" %verify "field not yet resolved" %verify "field cannot be resolved" /* * 32-bit SPUT handler for objects * * for: sput-object, sput-object-volatile */ /* op vAA, field@BBBB */ ldr r2, [rGLUE, #offGlue_methodClassDex] @ r2<- DvmDex FETCH(r1, 1) @ r1<- field ref BBBB ldr r2, [r2, #offDvmDex_pResFields] @ r2<- dvmDex->pResFields ldr r0, [r2, r1, lsl #2] @ r0<- resolved StaticField ptr cmp r0, #0 @ is resolved entry null? bne .L${opcode}_finish @ no, continue ldr r9, [rGLUE, #offGlue_method] @ r9<- current method EXPORT_PC() @ resolve() could throw, so export now ldr r0, [r9, #offMethod_clazz] @ r0<- method->clazz bl dvmResolveStaticField @ r0<- resolved StaticField ptr cmp r0, #0 @ success? bne .L${opcode}_finish @ yes, finish b common_exceptionThrown @ no, handle exception %break .L${opcode}_finish: @ field ptr in r0 mov r2, rINST, lsr #8 @ r2<- AA FETCH_ADVANCE_INST(2) @ advance rPC, load rINST GET_VREG(r1, r2) @ r1<- fp[AA] ldr r2, [rGLUE, #offGlue_cardTable] @ r2<- card table base ldr r9, [r0, #offField_clazz] @ r9<- field->clazz GET_INST_OPCODE(ip) @ extract opcode from rINST $barrier @ releasing store str r1, [r0, #offStaticField_value] @ field<- vAA cmp r1, #0 @ stored a null object? strneb r2, [r2, r9, lsr #GC_CARD_SHIFT] @ mark card based on obj head GOTO_OPCODE(ip) @ jump to next instruction