diff options
Diffstat (limited to 'vm/mterp/armv5te/OP_SGET.S')
-rw-r--r-- | vm/mterp/armv5te/OP_SGET.S | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/vm/mterp/armv5te/OP_SGET.S b/vm/mterp/armv5te/OP_SGET.S new file mode 100644 index 0000000..c803d27 --- /dev/null +++ b/vm/mterp/armv5te/OP_SGET.S @@ -0,0 +1,39 @@ +%default { "barrier":"@ no-op " } +%verify "executed" +%verify "field already resolved" +%verify "field not yet resolved" +%verify "field cannot be resolved" + /* + * General 32-bit SGET handler. + * + * for: sget, sget-object, sget-boolean, sget-byte, sget-char, sget-short + */ + /* 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? + beq .L${opcode}_resolve @ yes, do resolve +.L${opcode}_finish: @ field ptr in r0 + ldr r1, [r0, #offStaticField_value] @ r1<- field value + $barrier @ acquiring load + mov r2, rINST, lsr #8 @ r2<- AA + FETCH_ADVANCE_INST(2) @ advance rPC, load rINST + SET_VREG(r1, r2) @ fp[AA]<- r1 + GET_INST_OPCODE(ip) @ extract opcode from rINST + GOTO_OPCODE(ip) @ jump to next instruction +%break + + /* + * Continuation if the field has not yet been resolved. + * r1: BBBB field ref + */ +.L${opcode}_resolve: + ldr r2, [rGLUE, #offGlue_method] @ r2<- current method + 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? + bne .L${opcode}_finish @ yes, finish + b common_exceptionThrown @ no, handle exception |