35 lines
1.3 KiB
ArmAsm
35 lines
1.3 KiB
ArmAsm
/*
|
|
* Copyright (C) 2012 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.
|
|
*/
|
|
|
|
#include "asm_support_x86.S"
|
|
|
|
/*
|
|
* Jni dlsym lookup stub.
|
|
*/
|
|
DEFINE_FUNCTION art_jni_dlsym_lookup_stub
|
|
subl LITERAL(8), %esp // align stack
|
|
CFI_ADJUST_CFA_OFFSET(8)
|
|
pushl %fs:THREAD_SELF_OFFSET // pass Thread::Current()
|
|
CFI_ADJUST_CFA_OFFSET(4)
|
|
call SYMBOL(artFindNativeMethod) // (Thread*)
|
|
addl LITERAL(12), %esp // remove argument & padding
|
|
CFI_ADJUST_CFA_OFFSET(-12)
|
|
testl %eax, %eax // check if returned method code is null
|
|
jz .Lno_native_code_found // if null, jump to return to handle
|
|
jmp *%eax // otherwise, tail call to intended method
|
|
.Lno_native_code_found:
|
|
ret
|
|
END_FUNCTION art_jni_dlsym_lookup_stub
|