| %default { "barrier":"@ no-op " } |
| %verify "executed" |
| %verify "field already resolved" |
| %verify "field not yet resolved" |
| %verify "field cannot be resolved" |
| /* |
| * Jumbo 32-bit SPUT handler for objects |
| */ |
| /* sput-object/jumbo vBBBB, field@AAAAAAAA */ |
| ldr r2, [rSELF, #offThread_methodClassDex] @ r2<- DvmDex |
| FETCH(r0, 1) @ r0<- aaaa (lo) |
| FETCH(r1, 2) @ r1<- AAAA (hi) |
| ldr r10, [r2, #offDvmDex_pResFields] @ r10<- dvmDex->pResFields |
| orr r1, r0, r1, lsl #16 @ r1<- AAAAaaaa |
| ldr r0, [r10, r1, lsl #2] @ r0<- resolved StaticField ptr |
| cmp r0, #0 @ is resolved entry null? |
| beq .L${opcode}_resolve @ yes, do resolve |
| .L${opcode}_finish: @ field ptr in r0 |
| FETCH(r2, 3) @ r2<- BBBB |
| FETCH_ADVANCE_INST(4) @ advance rPC, load rINST |
| GET_VREG(r1, r2) @ r1<- fp[BBBB] |
| ldr r2, [rSELF, #offThread_cardTable] @ r2<- card table base |
| ldr r9, [r0, #offField_clazz] @ r9<- field->clazz |
| GET_INST_OPCODE(ip) @ extract opcode from rINST |
| $barrier @ releasing store |
| b .L${opcode}_end |
| %break |
| |
| |
| .L${opcode}_end: |
| str r1, [r0, #offStaticField_value] @ field<- vBBBB |
| cmp r1, #0 @ stored a null object? |
| strneb r2, [r2, r9, lsr #GC_CARD_SHIFT] @ mark card based on obj head |
| GOTO_OPCODE(ip) @ jump to next instruction |
| |
| /* Continuation if the field has not yet been resolved. |
| * r1: AAAAaaaa field ref |
| * r10: dvmDex->pResFields |
| */ |
| .L${opcode}_resolve: |
| ldr r2, [rSELF, #offThread_method] @ r9<- current method |
| #if defined(WITH_JIT) |
| add r10, r10, r1, lsl #2 @ r10<- &dvmDex->pResFields[field] |
| #endif |
| EXPORT_PC() @ resolve() could throw, so export now |
| ldr r0, [r2, #offMethod_clazz] @ r0<- method->clazz |
| bl dvmResolveStaticField @ r0<- resolved StaticField ptr |
| cmp r0, #0 @ success? |
| beq common_exceptionThrown @ no, handle exception |
| #if defined(WITH_JIT) |
| /* |
| * If the JIT is actively building a trace we need to make sure |
| * that the field is fully resolved before including this instruction. |
| */ |
| bl common_verifyField |
| #endif |
| b .L${opcode}_finish @ resume |
| |
