Sasa Stankovic 068a8c145a [mips] Implement NaCl sandboxing of indirect jumps:
* Align targets of indirect jumps to instruction bundle boundaries (in MI layer).
  * Add masking instructions before indirect jumps (in MC layer).

Differential Revision: http://llvm-reviews.chandlerc.com/D2847


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202479 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-28 10:00:38 +00:00

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//===-- MipsMCNaCl.h - NaCl-related declarations --------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef MIPSMCNACL_H
#define MIPSMCNACL_H
#include "llvm/MC/MCELFStreamer.h"
namespace llvm {
// Log2 of the NaCl MIPS sandbox's instruction bundle size.
static const unsigned MIPS_NACL_BUNDLE_ALIGN = 4u;
// This function creates an MCELFStreamer for Mips NaCl.
MCELFStreamer *createMipsNaClELFStreamer(MCContext &Context, MCAsmBackend &TAB,
raw_ostream &OS,
MCCodeEmitter *Emitter,
bool RelaxAll, bool NoExecStack);
}
#endif