diff options
Diffstat (limited to 'vm/mterp/x86-atom/OP_SGET.S')
| -rw-r--r-- | vm/mterp/x86-atom/OP_SGET.S | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/vm/mterp/x86-atom/OP_SGET.S b/vm/mterp/x86-atom/OP_SGET.S new file mode 100644 index 0000000..914b4dc --- /dev/null +++ b/vm/mterp/x86-atom/OP_SGET.S @@ -0,0 +1,60 @@ + /* Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + /* + * File: OP_SGET.S + * + * Code: Generic 32-bit static field "get" operation. Uses no substitutions. + * + * For: sget-boolean, sget-byte, sget-char, sget-object, sget, sget-short + * + * Description: Perform the identified object static field operation + * with the identified static field; load the field value + * into the value register. + * + * Format: AA|op BBBB (21c) + * + * Syntax: op vAA, string@BBBB + */ + + movl rGLUE, %edx # %edx<- pMterpGlue + movl offGlue_methodClassDex(%edx), %ecx # %ecx<- glue->pDvmDex + FETCH 1, %eax # %eax<- BBBB + movl offDvmDex_pResFields(%ecx), %ecx # %ecx<- pResFields + cmp $$0, (%ecx, %eax, 4) # check for null ptr; resolved StaticField ptr + movl (%ecx, %eax, 4), %ecx # %ecx<- resolved StaticField ptr + je .L${opcode}_resolve + jmp .L${opcode}_finish +%break + +.L${opcode}_resolve: + movl offGlue_method(%edx), %edx # %edx <- glue->method + EXPORT_PC # in case an exception is thrown + movl %eax, -4(%esp) # push parameter CCCC; field ref + movl offMethod_clazz(%edx), %edx # %edx<- method->clazz + movl %edx, -8(%esp) # push parameter method->clazz + lea -8(%esp), %esp + call dvmResolveStaticField # call: (const ClassObject* referrer, u4 ifieldIdx) + # return: StaticField* + cmp $$0, %eax # check if initalization failed + lea 8(%esp), %esp + je common_exceptionThrown # failed; handle exception + mov %eax, %ecx # %ecx<- result + +.L${opcode}_finish: + FFETCH_ADV 2, %edx # %edx<- next instruction hi; fetch, advance + movl offStaticField_value(%ecx), %eax # %eax<- field value + SET_VREG %eax, rINST # vAA<- field value + FGETOP_JMP 2, %edx # jump to next instruction; getop, jmp |