diff options
Diffstat (limited to 'vm/mterp/x86/OP_SGET.S')
| -rw-r--r-- | vm/mterp/x86/OP_SGET.S | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/vm/mterp/x86/OP_SGET.S b/vm/mterp/x86/OP_SGET.S new file mode 100644 index 0000000..f05eae7 --- /dev/null +++ b/vm/mterp/x86/OP_SGET.S @@ -0,0 +1,43 @@ +%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 */ + GET_GLUE(%ecx) + movzwl 2(rPC),%eax # eax<- field ref BBBB + movl offGlue_methodClassDex(%ecx),%ecx # ecx<- DvmDex + movl offDvmDex_pResFields(%ecx),%ecx # ecx<- dvmDex->pResFields + movl (%ecx,%eax,4),%eax # eax<- resolved StaticField ptr + testl %eax,%eax # resolved entry null? + je .L${opcode}_resolve # if not, make it so +.L${opcode}_finish: # field ptr in eax + movl offStaticField_value(%eax),%eax + movzbl rINST_HI,%ecx # ecx<- AA + FETCH_INST_WORD(2) + ADVANCE_PC(2) + SET_VREG(%eax,%ecx) + GOTO_NEXT +%break + + /* + * Go resolve the field + */ +.L${opcode}_resolve: + GET_GLUE(%ecx) + movzwl 2(rPC),%eax # eax<- field ref BBBB + movl offGlue_method(%ecx),%ecx # ecx<- current method + EXPORT_PC() # could throw, need to export + movl offMethod_clazz(%ecx),%ecx # ecx<- method->clazz + SPILL(rPC) + movl %eax,OUT_ARG1(%esp) + movl %ecx,OUT_ARG0(%esp) + call dvmResolveStaticField # eax<- resolved StaticField ptr + UNSPILL(rPC) + testl %eax,%eax + jne .L${opcode}_finish # success, continue + jmp common_exceptionThrown # no, handle exception |