Commit 6fdf4dcc authored Jan 29, 2014 by Alex Van Brunt Committed by Ruchi Kandoi Feb 04, 2015

arm64: ptrace: add is_wide_instruction() macro



Add the is_wide_instruction() macro. This was copied from the arm
architecture.

Change-Id: I28f83b47f5c587fe778dc2846df77673f8dd918b
Signed-off-by: Alex Van Brunt <avanbrunt@nvidia.com>
Reviewed-on: http://git-master/r/361737


Reviewed-by: Peng Du <pdu@nvidia.com>
Reviewed-on: http://git-master/r/365060


Reviewed-by: Richard Wiley <rwiley@nvidia.com>
Tested-by: Oskari Jaaskelainen <oskarij@nvidia.com>

parent 995c13f0

arch/arm64/include/asm/ptrace.h

+8 −0

Original line number	Diff line number	Diff line
		@@ -182,5 +182,13 @@ extern unsigned long profile_pc(struct pt_regs *regs);
		#define profile_pc(regs) instruction_pointer(regs)
		#endif

		/*
		* True if instr is a 32-bit thumb instruction. This works if instr
		* is the first or only half-word of a thumb instruction. It also works
		* when instr holds all 32-bits of a wide thumb instruction if stored
		* in the form (first_half<<16)\|(second_half)
		*/
		#define is_wide_instruction(instr) ((unsigned)(instr) >= 0xe800)

		#endif /* __ASSEMBLY__ */
		#endif