First patch for Mips subzero compiler
BUG= https://code.google.com/p/nativeclient/issues/detail?id=4167
Move issue https://codereview.chromium.org/1159823004/ here so that
it's under the proper email.
Review URL: https://codereview.chromium.org/1169533003
diff --git a/src/assembler_mips32.h b/src/assembler_mips32.h
new file mode 100644
index 0000000..b5bca57
--- /dev/null
+++ b/src/assembler_mips32.h
@@ -0,0 +1,75 @@
+//===- subzero/src/assembler_mips.h - Assembler for MIPS --------*- C++ -*-===//
+//
+// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+//
+// Modified by the Subzero authors.
+//
+//===----------------------------------------------------------------------===//
+//
+// The Subzero Code Generator
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the Assembler class for MIPS32.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef SUBZERO_SRC_ASSEMBLER_MIPS32_H
+#define SUBZERO_SRC_ASSEMBLER_MIPS32_H
+
+#include "IceAssembler.h"
+#include "IceDefs.h"
+#include "IceFixups.h"
+
+namespace Ice {
+namespace MIPS32 {
+
+class AssemblerMIPS32 : public Assembler {
+ AssemblerMIPS32(const AssemblerMIPS32 &) = delete;
+ AssemblerMIPS32 &operator=(const AssemblerMIPS32 &) = delete;
+
+public:
+ explicit AssemblerMIPS32(bool use_far_branches = false) : Assembler() {
+ // This mode is only needed and implemented for MIPS32 and ARM.
+ assert(!use_far_branches);
+ (void)use_far_branches;
+ }
+ ~AssemblerMIPS32() override = default;
+
+ void alignFunction() override {
+ llvm::report_fatal_error("Not yet implemented.");
+ }
+
+ SizeT getBundleAlignLog2Bytes() const override { return 4; }
+
+ const char *getNonExecPadDirective() const override { return ".TBD"; }
+
+ llvm::ArrayRef<uint8_t> getNonExecBundlePadding() const override {
+ llvm::report_fatal_error("Not yet implemented.");
+ }
+
+ void padWithNop(intptr_t Padding) override {
+ (void)Padding;
+ llvm::report_fatal_error("Not yet implemented.");
+ }
+
+ void bindCfgNodeLabel(SizeT NodeNumber) override {
+ (void)NodeNumber;
+ llvm::report_fatal_error("Not yet implemented.");
+ }
+
+ bool fixupIsPCRel(FixupKind Kind) const override {
+ (void)Kind;
+ llvm::report_fatal_error("Not yet implemented.");
+ }
+};
+
+} // end of namespace MIPS32
+} // end of namespace Ice
+
+#endif // SUBZERO_SRC_ASSEMBLER_MIPS32_H
