jni_entrypoints_mips.S revision 7655f29fabc0a12765de828914a18314382e5a35
17655f29fabc0a12765de828914a18314382e5a35Ian Rogers/* 27655f29fabc0a12765de828914a18314382e5a35Ian Rogers * Copyright (C) 2012 The Android Open Source Project 37655f29fabc0a12765de828914a18314382e5a35Ian Rogers * 47655f29fabc0a12765de828914a18314382e5a35Ian Rogers * Licensed under the Apache License, Version 2.0 (the "License"); 57655f29fabc0a12765de828914a18314382e5a35Ian Rogers * you may not use this file except in compliance with the License. 67655f29fabc0a12765de828914a18314382e5a35Ian Rogers * You may obtain a copy of the License at 77655f29fabc0a12765de828914a18314382e5a35Ian Rogers * 87655f29fabc0a12765de828914a18314382e5a35Ian Rogers * http://www.apache.org/licenses/LICENSE-2.0 97655f29fabc0a12765de828914a18314382e5a35Ian Rogers * 107655f29fabc0a12765de828914a18314382e5a35Ian Rogers * Unless required by applicable law or agreed to in writing, software 117655f29fabc0a12765de828914a18314382e5a35Ian Rogers * distributed under the License is distributed on an "AS IS" BASIS, 127655f29fabc0a12765de828914a18314382e5a35Ian Rogers * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 137655f29fabc0a12765de828914a18314382e5a35Ian Rogers * See the License for the specific language governing permissions and 147655f29fabc0a12765de828914a18314382e5a35Ian Rogers * limitations under the License. 157655f29fabc0a12765de828914a18314382e5a35Ian Rogers */ 167655f29fabc0a12765de828914a18314382e5a35Ian Rogers 177655f29fabc0a12765de828914a18314382e5a35Ian Rogers#include "asm_support_mips.S" 187655f29fabc0a12765de828914a18314382e5a35Ian Rogers 197655f29fabc0a12765de828914a18314382e5a35Ian Rogers .set noreorder 207655f29fabc0a12765de828914a18314382e5a35Ian Rogers .balign 4 217655f29fabc0a12765de828914a18314382e5a35Ian Rogers 227655f29fabc0a12765de828914a18314382e5a35Ian Rogers /* 237655f29fabc0a12765de828914a18314382e5a35Ian Rogers * Jni dlsym lookup stub. 247655f29fabc0a12765de828914a18314382e5a35Ian Rogers */ 257655f29fabc0a12765de828914a18314382e5a35Ian Rogers .extern artFindNativeMethod 267655f29fabc0a12765de828914a18314382e5a35Ian RogersENTRY art_jni_dlsym_lookup_stub 277655f29fabc0a12765de828914a18314382e5a35Ian Rogers GENERATE_GLOBAL_POINTER 287655f29fabc0a12765de828914a18314382e5a35Ian Rogers addiu $sp, $sp, -32 # leave room for $a0, $a1, $a2, $a3, and $ra 297655f29fabc0a12765de828914a18314382e5a35Ian Rogers .cfi_adjust_cfa_offset 32 307655f29fabc0a12765de828914a18314382e5a35Ian Rogers sw $ra, 16($sp) 317655f29fabc0a12765de828914a18314382e5a35Ian Rogers .cfi_rel_offset 31, 16 327655f29fabc0a12765de828914a18314382e5a35Ian Rogers sw $a3, 12($sp) 337655f29fabc0a12765de828914a18314382e5a35Ian Rogers .cfi_rel_offset 7, 12 347655f29fabc0a12765de828914a18314382e5a35Ian Rogers sw $a2, 8($sp) 357655f29fabc0a12765de828914a18314382e5a35Ian Rogers .cfi_rel_offset 6, 8 367655f29fabc0a12765de828914a18314382e5a35Ian Rogers sw $a1, 4($sp) 377655f29fabc0a12765de828914a18314382e5a35Ian Rogers .cfi_rel_offset 5, 4 387655f29fabc0a12765de828914a18314382e5a35Ian Rogers sw $a0, 0($sp) 397655f29fabc0a12765de828914a18314382e5a35Ian Rogers .cfi_rel_offset 4, 0 407655f29fabc0a12765de828914a18314382e5a35Ian Rogers jal artFindNativeMethod # (Thread*) 417655f29fabc0a12765de828914a18314382e5a35Ian Rogers move $a0, $s1 # pass Thread::Current() 427655f29fabc0a12765de828914a18314382e5a35Ian Rogers lw $a0, 0($sp) # restore registers from stack 437655f29fabc0a12765de828914a18314382e5a35Ian Rogers lw $a1, 4($sp) 447655f29fabc0a12765de828914a18314382e5a35Ian Rogers lw $a2, 8($sp) 457655f29fabc0a12765de828914a18314382e5a35Ian Rogers lw $a3, 12($sp) 467655f29fabc0a12765de828914a18314382e5a35Ian Rogers lw $ra, 16($sp) 477655f29fabc0a12765de828914a18314382e5a35Ian Rogers beq $v0, $zero, no_native_code_found 487655f29fabc0a12765de828914a18314382e5a35Ian Rogers addiu $sp, $sp, 32 # restore the stack 497655f29fabc0a12765de828914a18314382e5a35Ian Rogers .cfi_adjust_cfa_offset -32 507655f29fabc0a12765de828914a18314382e5a35Ian Rogers move $t9, $v0 # put method code result in $t9 517655f29fabc0a12765de828914a18314382e5a35Ian Rogers jr $t9 # leaf call to method's code 527655f29fabc0a12765de828914a18314382e5a35Ian Rogers nop 537655f29fabc0a12765de828914a18314382e5a35Ian Rogersno_native_code_found: 547655f29fabc0a12765de828914a18314382e5a35Ian Rogers jr $ra 557655f29fabc0a12765de828914a18314382e5a35Ian Rogers nop 567655f29fabc0a12765de828914a18314382e5a35Ian RogersEND art_jni_dlsym_lookup_stub 577655f29fabc0a12765de828914a18314382e5a35Ian Rogers 587655f29fabc0a12765de828914a18314382e5a35Ian Rogers /* 597655f29fabc0a12765de828914a18314382e5a35Ian Rogers * Entry point of native methods when JNI bug compatibility is enabled. 607655f29fabc0a12765de828914a18314382e5a35Ian Rogers */ 617655f29fabc0a12765de828914a18314382e5a35Ian Rogers .extern artWorkAroundAppJniBugs 627655f29fabc0a12765de828914a18314382e5a35Ian RogersENTRY art_quick_work_around_app_jni_bugs 637655f29fabc0a12765de828914a18314382e5a35Ian Rogers GENERATE_GLOBAL_POINTER 647655f29fabc0a12765de828914a18314382e5a35Ian Rogers # save registers that may contain arguments and LR that will be crushed by a call 657655f29fabc0a12765de828914a18314382e5a35Ian Rogers addiu $sp, $sp, -32 667655f29fabc0a12765de828914a18314382e5a35Ian Rogers .cfi_adjust_cfa_offset 32 677655f29fabc0a12765de828914a18314382e5a35Ian Rogers sw $ra, 28($sp) 687655f29fabc0a12765de828914a18314382e5a35Ian Rogers .cfi_rel_offset 31, 28 697655f29fabc0a12765de828914a18314382e5a35Ian Rogers sw $a3, 24($sp) 707655f29fabc0a12765de828914a18314382e5a35Ian Rogers .cfi_rel_offset 7, 28 717655f29fabc0a12765de828914a18314382e5a35Ian Rogers sw $a2, 20($sp) 727655f29fabc0a12765de828914a18314382e5a35Ian Rogers .cfi_rel_offset 6, 28 737655f29fabc0a12765de828914a18314382e5a35Ian Rogers sw $a1, 16($sp) 747655f29fabc0a12765de828914a18314382e5a35Ian Rogers .cfi_rel_offset 5, 28 757655f29fabc0a12765de828914a18314382e5a35Ian Rogers sw $a0, 12($sp) 767655f29fabc0a12765de828914a18314382e5a35Ian Rogers .cfi_rel_offset 4, 28 777655f29fabc0a12765de828914a18314382e5a35Ian Rogers move $a0, rSELF # pass Thread::Current 787655f29fabc0a12765de828914a18314382e5a35Ian Rogers jal artWorkAroundAppJniBugs # (Thread*, $sp) 797655f29fabc0a12765de828914a18314382e5a35Ian Rogers move $a1, $sp # pass $sp 807655f29fabc0a12765de828914a18314382e5a35Ian Rogers move $t9, $v0 # save target address 817655f29fabc0a12765de828914a18314382e5a35Ian Rogers lw $a0, 12($sp) 827655f29fabc0a12765de828914a18314382e5a35Ian Rogers lw $a1, 16($sp) 837655f29fabc0a12765de828914a18314382e5a35Ian Rogers lw $a2, 20($sp) 847655f29fabc0a12765de828914a18314382e5a35Ian Rogers lw $a3, 24($sp) 857655f29fabc0a12765de828914a18314382e5a35Ian Rogers lw $ra, 28($sp) 867655f29fabc0a12765de828914a18314382e5a35Ian Rogers jr $t9 # tail call into JNI routine 877655f29fabc0a12765de828914a18314382e5a35Ian Rogers addiu $sp, $sp, 32 887655f29fabc0a12765de828914a18314382e5a35Ian Rogers .cfi_adjust_cfa_offset -32 897655f29fabc0a12765de828914a18314382e5a35Ian RogersEND art_quick_work_around_app_jni_bugs 90