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4 Commits

Author SHA1 Message Date
John Darrington 4a90ce955e S12Z: Opcodes: Fix crash when trying to decode a truncated operation. 
opcodes/
	* s12z-opc.c (shift_discrim): Return OP_INVALID when reading fails.

gas/
	* testsuite/gas/s12z/truncated.d: New file.
	* testsuite/gas/s12z/truncated.s: New file.
	* testsuite/gas/s12z/s12z.exp: Add new test.
 2019-04-29 16:10:21 +02:00
John Darrington a679f24ecc S12Z: Opcodes: Handle bit map operations with non-canonical operands. 
opcodes/
	* s12z-opc.c (bm_decode): Handle the RESERVERD0 case.

gas/
	* testsuite/gas/s12z/bit-manip-invalid.d: Extend the test.
	* testsuite/gas/s12z/bit-manip-invalid.s: Extend the test.
 2019-04-24 10:33:52 +02:00
John Darrington e5a557ac01 S12Z: opcodes: Replace "operator" with "optr". 
opcodes/
	* s12z-dis.c, s12z-opc.c, s12z-opc.h: Replace operator with optr.
 2019-04-12 18:39:01 +02:00
John Darrington ef1ad42b8b S12Z: opcodes: Separate the decoding of operations from their display. 
This change adds an abstraction layer between the decoding of machine
operations and their disassembled textual representation.  This allows
the decoding routines to be re-used for other purposes (at the expense)
of slightly slower running time.

ChangeLog: opcodes/

   * s12z-opc.c: New file.
   * s12z-opc.h: New file.
   * s12z-dis.c: Removed all code not directly related to display
     of instructions.  Used the interface provided by the new files
     instead.
   * Makefile.am (TARGET_LIBOPCODES_CFILES) Add s12z-opc.c.
   * Makefile.in: regenerate.
   * configure.ac (bfd_s12z_arch): Correct the dependencies.
   * configure: regenerate.
 2019-01-03 18:30:40 +01:00