1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "asm_support_mips.S" 18 19 .set noreorder 20 .balign 4 21 22 /* 23 * Jni dlsym lookup stub. 24 */ 25 .extern artFindNativeMethod 26 ENTRY art_jni_dlsym_lookup_stub 27 addiu $sp, $sp, -48 # leave room for $f12, $f13, $f14, $f15, $a0, $a1, $a2, $a3, and $ra 28 .cfi_adjust_cfa_offset 48 29 sw $ra, 32($sp) 30 .cfi_rel_offset 31, 32 31 SDu $f14, $f15, 24, $sp, $t0 32 SDu $f12, $f13, 16, $sp, $t0 33 sw $a3, 12($sp) 34 .cfi_rel_offset 7, 12 35 sw $a2, 8($sp) 36 .cfi_rel_offset 6, 8 37 sw $a1, 4($sp) 38 .cfi_rel_offset 5, 4 39 sw $a0, 0($sp) 40 .cfi_rel_offset 4, 0 41 la $t9, artFindNativeMethod 42 jalr $t9 # (Thread*) 43 move $a0, $s1 # pass Thread::Current() 44 lw $a0, 0($sp) # restore registers from stack 45 lw $a1, 4($sp) 46 lw $a2, 8($sp) 47 lw $a3, 12($sp) 48 LDu $f12, $f13, 16, $sp, $t0 49 LDu $f14, $f15, 24, $sp, $t0 50 lw $ra, 32($sp) 51 beq $v0, $zero, .Lno_native_code_found 52 addiu $sp, $sp, 48 # restore the stack 53 .cfi_adjust_cfa_offset -48 54 move $t9, $v0 # put method code result in $t9 55 jalr $zero, $t9 # leaf call to method's code 56 nop 57 .Lno_native_code_found: 58 jalr $zero, $ra 59 nop 60 END art_jni_dlsym_lookup_stub 61
