Portable refactorings.
Separate quick from portable entrypoints.
Move architectural dependencies into arch.
Change-Id: I9adbc0a9782e2959fdc3308215f01e3107632b7c
diff --git a/runtime/arch/mips/jni_entrypoints_mips.S b/runtime/arch/mips/jni_entrypoints_mips.S
new file mode 100644
index 0000000..fca6d77
--- /dev/null
+++ b/runtime/arch/mips/jni_entrypoints_mips.S
@@ -0,0 +1,89 @@
+/*
+ * 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_quick_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_quick_work_around_app_jni_bugs