1 %default { "barrier":"@ no-op " } 2 %verify "executed" 3 %verify "field already resolved" 4 %verify "field not yet resolved" 5 %verify "field cannot be resolved" 6 /* 7 * General 32-bit SGET handler. 8 * 9 * for: sget, sget-object, sget-boolean, sget-byte, sget-char, sget-short 10 */ 11 /* op vAA, field@BBBB */ 12 ldr r2, [rSELF, #offThread_methodClassDex] @ r2<- DvmDex 13 FETCH(r1, 1) @ r1<- field ref BBBB 14 ldr r10, [r2, #offDvmDex_pResFields] @ r10<- dvmDex->pResFields 15 ldr r0, [r10, r1, lsl #2] @ r0<- resolved StaticField ptr 16 cmp r0, #0 @ is resolved entry null? 17 beq .L${opcode}_resolve @ yes, do resolve 18 .L${opcode}_finish: @ field ptr in r0 19 ldr r1, [r0, #offStaticField_value] @ r1<- field value 20 $barrier @ acquiring load 21 mov r2, rINST, lsr #8 @ r2<- AA 22 FETCH_ADVANCE_INST(2) @ advance rPC, load rINST 23 SET_VREG(r1, r2) @ fp[AA]<- r1 24 GET_INST_OPCODE(ip) @ extract opcode from rINST 25 GOTO_OPCODE(ip) @ jump to next instruction 26 %break 27 28 /* 29 * Continuation if the field has not yet been resolved. 30 * r1: BBBB field ref 31 * r10: dvmDex->pResFields 32 */ 33 .L${opcode}_resolve: 34 ldr r2, [rSELF, #offThread_method] @ r2<- current method 35 #if defined(WITH_JIT) 36 add r10, r10, r1, lsl #2 @ r10<- &dvmDex->pResFields[field] 37 #endif 38 EXPORT_PC() @ resolve() could throw, so export now 39 ldr r0, [r2, #offMethod_clazz] @ r0<- method->clazz 40 bl dvmResolveStaticField @ r0<- resolved StaticField ptr 41 cmp r0, #0 @ success? 42 beq common_exceptionThrown @ no, handle exception 43 #if defined(WITH_JIT) 44 /* 45 * If the JIT is actively building a trace we need to make sure 46 * that the field is fully resolved before including this instruction. 47 */ 48 bl common_verifyField 49 #endif 50 b .L${opcode}_finish 51
