1 /* Copyright (C) 2008 The Android Open Source Project 2 * 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 /* 17 * File: OP_INVOKE_STATIC.S 18 * 19 * Code: Call static direct method. Provides an "isrange" variable and 20 * a "routine" variable to specify this is the "range" version of 21 * invoke_static that allows up to 255 arguments. 22 * 23 * For: invoke-static, invoke-static/range 24 * 25 * Description: invoke-static is used to invoke static direct method. 26 * 27 * Format: B|A|op CCCC G|F|E|D (35c) 28 * AA|op BBBB CCCC (3rc) 29 * 30 * Syntax: [B=5] op {vD, vE, vF, vG, vA}, meth@CCCC (35c) 31 * [B=5] op {vD, vE, vF, vG, vA}, type@CCCC (35c) 32 * [B=4] op {vD, vE, vF, vG}, kind@CCCC (35c) 33 * [B=3] op {vD, vE, vF}, kind@CCCC (35c) 34 * [B=2] op {vD, vE}, kind@CCCC (35c) 35 * [B=1] op {vD}, kind@CCCC (35c) 36 * [B=0] op {}, kind@CCCC (35c) 37 * 38 * op {vCCCC .. vNNNN}, meth@BBBB (3rc) (where NNNN = CCCC+AA-1, that 39 * op {vCCCC .. vNNNN}, type@BBBB (3rc) is A determines the count 0..255, 40 * and C determines the first register) 41 */ 42 43 %default { "routine":"NoRange" } 44 45 movl rGLUE, %edx # %edx<- pMterpGlue 46 movl offGlue_methodClassDex(%edx), %ecx # %edx<- pDvmDex 47 FETCH 1, %eax # %eax<- method index 48 movl offDvmDex_pResMethods(%ecx), %ecx # %edx<- pDvmDex->pResMethods 49 movl (%ecx, %eax, 4), %ecx # %ecx<- resolved method to call 50 cmp $$0, %ecx # check if already resolved 51 EXPORT_PC # must export for invoke 52 jne common_invokeMethod${routine} # invoke method common code 53 jmp .L${opcode}_break 54 %break 55 56 .L${opcode}_break: 57 movl offGlue_method(%edx), %edx # %edx<- glue->method 58 movl $$METHOD_STATIC, -4(%esp) # resolver method type 59 movl %eax, -8(%esp) # push parameter method index 60 movl offMethod_clazz(%edx), %edx # %edx<- glue->method->clazz 61 movl %edx, -12(%esp) # push parameter method 62 lea -12(%esp), %esp 63 call dvmResolveMethod # call: (const ClassObject* referrer, 64 # u4 methodIdx, MethodType methodType) 65 # return: Method* 66 lea 12(%esp), %esp 67 cmp $$0, %eax # check for null method 68 je common_exceptionThrown 69 movl %eax, %ecx # %ecx<- method 70 jmp common_invokeMethod${routine} # invoke method common code 71
