diff options
Diffstat (limited to 'vm/mterp/x86-atom/OP_INVOKE_INTERFACE.S')
| -rw-r--r-- | vm/mterp/x86-atom/OP_INVOKE_INTERFACE.S | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/vm/mterp/x86-atom/OP_INVOKE_INTERFACE.S b/vm/mterp/x86-atom/OP_INVOKE_INTERFACE.S new file mode 100644 index 0000000..cbd7b31 --- /dev/null +++ b/vm/mterp/x86-atom/OP_INVOKE_INTERFACE.S @@ -0,0 +1,76 @@ + /* 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_INVOKE_INTERFACE.S + * + * Code: Call at method. Provides an "isrange" variable and + * a "routine" variable to specify this is the "range" version of + * invoke_interface that allows up to 255 arguments. + * + * For: invoke-interface, invoke-interface-range + * + * Description: invoke-interface is used to invoke an interface method; on an + * object whose concrete class isn't known, using a method_id that + * refers to an interface. + * + * Format: B|A|op CCCC G|F|E|D (35c) + * AA|op BBBB CCCC (3rc) + * + * Syntax: [B=5] op {vD, vE, vF, vG, vA}, meth@CCCC (35c) + * [B=5] op {vD, vE, vF, vG, vA}, type@CCCC (35c) + * [B=4] op {vD, vE, vF, vG}, kind@CCCC (35c) + * [B=3] op {vD, vE, vF}, kind@CCCC (35c) + * [B=2] op {vD, vE}, kind@CCCC (35c) + * [B=1] op {vD}, kind@CCCC (35c) + * [B=0] op {}, kind@CCCC (35c) + * + * op {vCCCC .. vNNNN}, meth@BBBB (3rc) (where NNNN = CCCC+AA-1, that + * op {vCCCC .. vNNNN}, type@BBBB (3rc) is A determines the count 0..255, + * and C determines the first register) + */ + +%default { "isrange":"0", "routine":"NoRange" } + + FETCH 2, %edx # %edx<- GFED or CCCC + FETCH 1, %ecx # %ecx<- method index + movl %ecx, -12(%esp) # push argument method index + .if (!$isrange) + and $$15, %edx # %edx<- D if not range + .endif + EXPORT_PC # must export for invoke + GET_VREG %edx # %edx<- first arg "this pointer" + movl rGLUE, %eax # %eax<- pMterpGlue + movl offGlue_methodClassDex(%eax), %eax # %eax<- glue->pDvmDex + movl %eax, -4(%esp) # push parameter class + cmp $$0, %edx # check for null object + je common_errNullObject # handle null object + jmp .L${opcode}_break +%break +.L${opcode}_break: + movl rGLUE, %ecx # %ecx<- pMterpGlue + movl offGlue_method(%ecx), %ecx # %ecx<- glue->method + movl %ecx, -8(%esp) # push parameter method + movl offObject_clazz(%edx), %edx # %edx<- glue->method->clazz + movl %edx, -16(%esp) # push parameter + lea -16(%esp), %esp + call dvmFindInterfaceMethodInCache # call: (ClassObject* thisClass, u4 methodIdx, + # const Method* method, DvmDex* methodClassDex) + # return: Method* + lea 16(%esp), %esp + cmp $$0, %eax # check if find failed + je common_exceptionThrown # handle exception + movl %eax, %ecx # %ecx<- method + jmp common_invokeMethod${routine} # invoke method common code |