| /* |
| * Copyright (C) 2009 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. |
| */ |
| |
| /* |
| * This file is included by Codegen-armv5te-vfp.c, and implements architecture |
| * variant-specific code. |
| */ |
| |
| /* |
| * Determine the initial instruction set to be used for this trace. |
| * Later components may decide to change this. |
| */ |
| JitInstructionSetType dvmCompilerInstructionSet(void) |
| { |
| return DALVIK_JIT_THUMB; |
| } |
| |
| /* Architecture-specific initializations and checks go here */ |
| bool dvmCompilerArchVariantInit(void) |
| { |
| /* First, declare dvmCompiler_TEMPLATE_XXX for each template */ |
| #define JIT_TEMPLATE(X) extern void dvmCompiler_TEMPLATE_##X(); |
| #include "../../../template/armv5te-vfp/TemplateOpList.h" |
| #undef JIT_TEMPLATE |
| |
| int i = 0; |
| extern void dvmCompilerTemplateStart(void); |
| |
| /* |
| * Then, populate the templateEntryOffsets array with the offsets from the |
| * the dvmCompilerTemplateStart symbol for each template. |
| */ |
| #define JIT_TEMPLATE(X) templateEntryOffsets[i++] = \ |
| (intptr_t) dvmCompiler_TEMPLATE_##X - (intptr_t) dvmCompilerTemplateStart; |
| #include "../../../template/armv5te-vfp/TemplateOpList.h" |
| #undef JIT_TEMPLATE |
| |
| /* Target-specific configuration */ |
| gDvmJit.blockingMode = false; |
| gDvmJit.jitTableSize = 1 << 9; // 512 |
| gDvmJit.jitTableMask = gDvmJit.jitTableSize - 1; |
| gDvmJit.threshold = 200; |
| |
| #if defined(WITH_SELF_VERIFICATION) |
| /* Force into blocking, translate everything mode */ |
| gDvmJit.blockingMode = true; |
| gDvmJit.threshold = 1; |
| #endif |
| |
| /* Codegen-specific assumptions */ |
| assert(offsetof(ClassObject, vtable) < 128 && |
| (offsetof(ClassObject, vtable) & 0x3) == 0); |
| assert(offsetof(ArrayObject, length) < 128 && |
| (offsetof(ArrayObject, length) & 0x3) == 0); |
| assert(offsetof(ArrayObject, contents) < 256); |
| |
| /* Up to 5 args are pushed on top of FP - sizeofStackSaveArea */ |
| assert(sizeof(StackSaveArea) < 236); |
| |
| /* |
| * EA is calculated by doing "Rn + imm5 << 2", and there are 5 entry points |
| * that codegen may access, make sure that the offset from the top of the |
| * struct is less than 108. |
| */ |
| assert(offsetof(InterpState, jitToInterpEntries) < 108); |
| return true; |
| } |