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-rw-r--r--vm/compiler/codegen/arm/armv5te/ArchVariant.cpp112
1 files changed, 112 insertions, 0 deletions
diff --git a/vm/compiler/codegen/arm/armv5te/ArchVariant.cpp b/vm/compiler/codegen/arm/armv5te/ArchVariant.cpp
new file mode 100644
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+++ b/vm/compiler/codegen/arm/armv5te/ArchVariant.cpp
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+/*
+ * 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.
+ */
+
+extern "C" void dvmCompilerTemplateStart(void);
+
+/*
+ * This file is included by Codegen-armv5te.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;
+}
+
+/* First, declare dvmCompiler_TEMPLATE_XXX for each template */
+#define JIT_TEMPLATE(X) extern "C" void dvmCompiler_TEMPLATE_##X();
+#include "../../../template/armv5te/TemplateOpList.h"
+#undef JIT_TEMPLATE
+
+/* Architecture-specific initializations and checks go here */
+bool dvmCompilerArchVariantInit(void)
+{
+ int i = 0;
+
+ /*
+ * 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/TemplateOpList.h"
+#undef JIT_TEMPLATE
+
+ /* Target-specific configuration */
+ gDvmJit.jitTableSize = 1 << 9; // 512
+ gDvmJit.jitTableMask = gDvmJit.jitTableSize - 1;
+ gDvmJit.threshold = 200;
+ gDvmJit.codeCacheSize = 512*1024;
+
+#if defined(WITH_SELF_VERIFICATION)
+ /* Force into blocking mode */
+ gDvmJit.blockingMode = true;
+ gDvm.nativeDebuggerActive = true;
+#endif
+
+ /* Codegen-specific assumptions */
+ assert(OFFSETOF_MEMBER(ClassObject, vtable) < 128 &&
+ (OFFSETOF_MEMBER(ClassObject, vtable) & 0x3) == 0);
+ assert(OFFSETOF_MEMBER(ArrayObject, length) < 128 &&
+ (OFFSETOF_MEMBER(ArrayObject, length) & 0x3) == 0);
+ assert(OFFSETOF_MEMBER(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". Make sure that the last
+ * offset from the struct is less than 128.
+ */
+ if ((offsetof(Thread, jitToInterpEntries) +
+ sizeof(struct JitToInterpEntries)) >= 128) {
+ LOGE("Thread.jitToInterpEntries size overflow");
+ dvmAbort();
+ }
+
+ /* No method JIT for Thumb backend */
+ gDvmJit.disableOpt |= (1 << kMethodJit);
+
+ // Make sure all threads have current values
+ dvmJitUpdateThreadStateAll();
+
+ return true;
+}
+
+int dvmCompilerTargetOptHint(int key)
+{
+ int res;
+ switch (key) {
+ case kMaxHoistDistance:
+ res = 2;
+ break;
+ default:
+ LOGE("Unknown target optimization hint key: %d",key);
+ res = 0;
+ }
+ return res;
+}
+
+void dvmCompilerGenMemBarrier(CompilationUnit *cUnit, int barrierKind)
+{
+#if ANDROID_SMP != 0
+#error armv5+smp not supported
+#endif
+}