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3 Commits

Author SHA1 Message Date
Sasa Stankovic
8600ebc74d [mips] Implement NaCl sandboxing of function calls: 
* Add masking instructions before indirect calls (in MC layer).
  * Align call + branch delay to the bundle end (in MC layer).

Differential Revision: http://llvm-reviews.chandlerc.com/D3032

llvm-svn: 203606
 2014-03-11 21:23:40 +00:00
Sasa Stankovic
5fddf61089 [mips] Implement NaCl sandboxing of loads, stores and SP changes: 
* Add masking instructions before loads and stores (in MC layer).
  * Add masking instructions after SP changes (in MC layer).
  * Forbid loads, stores and SP changes in delay slots (in MI layer).

Differential Revision: http://llvm-reviews.chandlerc.com/D2904

llvm-svn: 203484
 2014-03-10 20:34:23 +00:00
Sasa Stankovic
8c5736b921 [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

llvm-svn: 202479
 2014-02-28 10:00:38 +00:00