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1 //===- subzero/src/IceAssembler.h - Integrated assembler --------*- C++ -*-===// | 1 //===- subzero/src/IceAssembler.h - Integrated assembler --------*- C++ -*-===// |
2 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 2 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
3 // for details. All rights reserved. Use of this source code is governed by a | 3 // for details. All rights reserved. Use of this source code is governed by a |
4 // BSD-style license that can be found in the LICENSE file. | 4 // BSD-style license that can be found in the LICENSE file. |
5 // | 5 // |
6 // Modified by the Subzero authors. | 6 // Modified by the Subzero authors. |
7 // | 7 // |
8 //===----------------------------------------------------------------------===// | 8 //===----------------------------------------------------------------------===// |
9 // | 9 // |
10 // The Subzero Code Generator | 10 // The Subzero Code Generator |
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242 | 242 |
243 /// Add nop padding of a particular width to the current bundle. | 243 /// Add nop padding of a particular width to the current bundle. |
244 virtual void padWithNop(intptr_t Padding) = 0; | 244 virtual void padWithNop(intptr_t Padding) = 0; |
245 | 245 |
246 virtual SizeT getBundleAlignLog2Bytes() const = 0; | 246 virtual SizeT getBundleAlignLog2Bytes() const = 0; |
247 | 247 |
248 virtual const char *getAlignDirective() const = 0; | 248 virtual const char *getAlignDirective() const = 0; |
249 virtual llvm::ArrayRef<uint8_t> getNonExecBundlePadding() const = 0; | 249 virtual llvm::ArrayRef<uint8_t> getNonExecBundlePadding() const = 0; |
250 | 250 |
251 /// Get the label for a CfgNode. | 251 /// Get the label for a CfgNode. |
252 virtual Label *getOrCreateCfgNodeLabel(SizeT NodeNumber) = 0; | 252 virtual Label *getCfgNodeLabel(SizeT NodeNumber) = 0; |
253 /// Mark the current text location as the start of a CFG node | 253 /// Mark the current text location as the start of a CFG node |
254 /// (represented by NodeNumber). | 254 /// (represented by NodeNumber). |
255 virtual void bindCfgNodeLabel(SizeT NodeNumber) = 0; | 255 virtual void bindCfgNodeLabel(SizeT NodeNumber) = 0; |
256 | 256 |
257 virtual bool fixupIsPCRel(FixupKind Kind) const = 0; | 257 virtual bool fixupIsPCRel(FixupKind Kind) const = 0; |
258 | 258 |
259 // Return a view of all the bytes of code for the current function. | 259 // Return a view of all the bytes of code for the current function. |
260 llvm::StringRef getBufferView() const; | 260 llvm::StringRef getBufferView() const; |
261 | 261 |
262 const FixupRefList &fixups() const { return Buffer.fixups(); } | 262 const FixupRefList &fixups() const { return Buffer.fixups(); } |
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300 protected: | 300 protected: |
301 // Buffer's constructor uses the Allocator, so it needs to appear after it. | 301 // Buffer's constructor uses the Allocator, so it needs to appear after it. |
302 // TODO(jpp): dependencies on construction order are a nice way of shooting | 302 // TODO(jpp): dependencies on construction order are a nice way of shooting |
303 // yourself in the foot. Fix this. | 303 // yourself in the foot. Fix this. |
304 AssemblerBuffer Buffer; | 304 AssemblerBuffer Buffer; |
305 }; | 305 }; |
306 | 306 |
307 } // end of namespace Ice | 307 } // end of namespace Ice |
308 | 308 |
309 #endif // SUBZERO_SRC_ICEASSEMBLER_H_ | 309 #endif // SUBZERO_SRC_ICEASSEMBLER_H_ |
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