79 lines
2.3 KiB
ArmAsm
79 lines
2.3 KiB
ArmAsm
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "asm_support_mips64.S"
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.set noreorder
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.balign 16
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/*
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* Jni dlsym lookup stub.
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*/
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.extern artFindNativeMethod
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ENTRY art_jni_dlsym_lookup_stub
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daddiu $sp, $sp, -80 # save a0-a7 and $ra
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.cfi_adjust_cfa_offset 80
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sd $ra, 64($sp)
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.cfi_rel_offset 31, 64
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sd $a7, 56($sp)
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.cfi_rel_offset 11, 56
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sd $a6, 48($sp)
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.cfi_rel_offset 10, 48
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sd $a5, 40($sp)
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.cfi_rel_offset 9, 40
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sd $a4, 32($sp)
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.cfi_rel_offset 8, 32
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sd $a3, 24($sp)
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.cfi_rel_offset 7, 24
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sd $a2, 16($sp)
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.cfi_rel_offset 6, 16
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sd $a1, 8($sp)
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.cfi_rel_offset 5, 8
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sd $a0, 0($sp)
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.cfi_rel_offset 4, 0
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move $a0, $s1 # pass Thread::Current()
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jal artFindNativeMethod # (Thread*)
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.cpreturn # Restore gp from t8 in branch delay slot. gp is not used
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# anymore, and t8 may be clobbered in artFindNativeMethod.
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ld $a0, 0($sp) # restore registers from stack
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.cfi_restore 4
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ld $a1, 8($sp)
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.cfi_restore 5
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ld $a2, 16($sp)
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.cfi_restore 6
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ld $a3, 24($sp)
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.cfi_restore 7
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ld $a4, 32($sp)
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.cfi_restore 8
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ld $a5, 40($sp)
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.cfi_restore 9
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ld $a6, 48($sp)
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.cfi_restore 10
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ld $a7, 56($sp)
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.cfi_restore 11
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ld $ra, 64($sp)
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.cfi_restore 31
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beq $v0, $zero, .Lno_native_code_found
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daddiu $sp, $sp, 80 # restore the stack
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.cfi_adjust_cfa_offset -80
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move $t9, $v0 # put method code result in $t9
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jalr $zero, $t9 # leaf call to method's code
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nop
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.Lno_native_code_found:
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jalr $zero, $ra
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nop
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END art_jni_dlsym_lookup_stub
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