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/*
* 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_arm.S"
/*
* Jni dlsym lookup stub.
*/
.extern artFindNativeMethod
ENTRY art_jni_dlsym_lookup_stub
push {r0, r1, r2, r3, lr} @ spill regs
.cfi_adjust_cfa_offset 20
.cfi_rel_offset r0, 0
.cfi_rel_offset r1, 4
.cfi_rel_offset r2, 8
.cfi_rel_offset r3, 12
.cfi_rel_offset lr, 16
sub sp, #12 @ pad stack pointer to align frame
.cfi_adjust_cfa_offset 12
blx artFindNativeMethod
mov r12, r0 @ save result in r12
add sp, #12 @ restore stack pointer
.cfi_adjust_cfa_offset -12
cbz r0, 1f @ is method code null?
pop {r0, r1, r2, r3, lr} @ restore regs
.cfi_adjust_cfa_offset -20
.cfi_restore r0
.cfi_restore r1
.cfi_restore r2
.cfi_restore r3
.cfi_restore lr
bx r12 @ if non-null, tail call to method's code
1:
pop {r0, r1, r2, r3, pc} @ restore regs and return to caller to handle exception
END art_jni_dlsym_lookup_stub
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