| /* |
| * 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_mips.S" |
| |
| .set noreorder |
| .balign 4 |
| |
| /* |
| * Jni dlsym lookup stub. |
| */ |
| .extern artFindNativeMethod |
| ENTRY art_jni_dlsym_lookup_stub |
| GENERATE_GLOBAL_POINTER |
| addiu $sp, $sp, -32 # leave room for $a0, $a1, $a2, $a3, and $ra |
| .cfi_adjust_cfa_offset 32 |
| sw $ra, 16($sp) |
| .cfi_rel_offset 31, 16 |
| sw $a3, 12($sp) |
| .cfi_rel_offset 7, 12 |
| sw $a2, 8($sp) |
| .cfi_rel_offset 6, 8 |
| sw $a1, 4($sp) |
| .cfi_rel_offset 5, 4 |
| sw $a0, 0($sp) |
| .cfi_rel_offset 4, 0 |
| jal artFindNativeMethod # (Thread*) |
| move $a0, $s1 # pass Thread::Current() |
| lw $a0, 0($sp) # restore registers from stack |
| lw $a1, 4($sp) |
| lw $a2, 8($sp) |
| lw $a3, 12($sp) |
| lw $ra, 16($sp) |
| beq $v0, $zero, no_native_code_found |
| addiu $sp, $sp, 32 # restore the stack |
| .cfi_adjust_cfa_offset -32 |
| move $t9, $v0 # put method code result in $t9 |
| jr $t9 # leaf call to method's code |
| nop |
| no_native_code_found: |
| jr $ra |
| nop |
| END art_jni_dlsym_lookup_stub |
| |
| /* |
| * Entry point of native methods when JNI bug compatibility is enabled. |
| */ |
| .extern artWorkAroundAppJniBugs |
| ENTRY art_work_around_app_jni_bugs |
| GENERATE_GLOBAL_POINTER |
| # save registers that may contain arguments and LR that will be crushed by a call |
| addiu $sp, $sp, -32 |
| .cfi_adjust_cfa_offset 32 |
| sw $ra, 28($sp) |
| .cfi_rel_offset 31, 28 |
| sw $a3, 24($sp) |
| .cfi_rel_offset 7, 28 |
| sw $a2, 20($sp) |
| .cfi_rel_offset 6, 28 |
| sw $a1, 16($sp) |
| .cfi_rel_offset 5, 28 |
| sw $a0, 12($sp) |
| .cfi_rel_offset 4, 28 |
| move $a0, rSELF # pass Thread::Current |
| jal artWorkAroundAppJniBugs # (Thread*, $sp) |
| move $a1, $sp # pass $sp |
| move $t9, $v0 # save target address |
| lw $a0, 12($sp) |
| lw $a1, 16($sp) |
| lw $a2, 20($sp) |
| lw $a3, 24($sp) |
| lw $ra, 28($sp) |
| jr $t9 # tail call into JNI routine |
| addiu $sp, $sp, 32 |
| .cfi_adjust_cfa_offset -32 |
| END art_work_around_app_jni_bugs |
