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4 Commits

Author SHA1 Message Date
Saleem Abdulrasool c493d1499a ARM IAS: refactor unwind context 
Move the unwinding context for the ARM IAS into a helper class.  This is purely
a structural refactoring.  A follow up change allows for recording additional
depth to improve diagnostics.

llvm-svn: 198664
 2014-01-07 02:28:55 +00:00
Saleem Abdulrasool 69c7caf630 MCParser: introduce Note and use it for ARM AsmParser 
Introduce a new virtual method Note into the AsmParser.  This completements the
existing Warning and Error methods.  Use the new method to clean up the output
of the unwind routines in the ARM AsmParser.

llvm-svn: 198661
 2014-01-07 02:28:31 +00:00
Rafael Espindola b0fccb225c Prefix failing commands with not to make clear they are expected to fail. 
llvm-svn: 185554
 2013-07-03 16:41:29 +00:00
Logan Chien 4ea23b56c5 Implement AsmParser for ARM unwind directives. 
This commit implements the AsmParser for fnstart, fnend,
cantunwind, personality, handlerdata, pad, setfp, save, and
vsave directives.

This commit fixes some minor issue in the ARMELFStreamer:

* The switch back to corresponding section after the .fnend
  directive.

* Emit the unwind opcode while processing .fnend directive
  if there is no .handlerdata directive.

* Emit the unwind opcode to .ARM.extab while processing
  .handlerdata even if .personality directive does not exist.

llvm-svn: 181603
 2013-05-10 16:17:24 +00:00