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Commit 1b59d874 authored by Jon Medhurst's avatar Jon Medhurst Committed by Tixy
Browse files

ARM: kprobes: Move is_writeback define to header file. 



This will be used later in other files.

Signed-off-by: default avatarJon Medhurst <tixy@yxit.co.uk>
Acked-by: default avatarNicolas Pitre <nicolas.pitre@linaro.org>
parent 0ab4c02d

arch/arm/kernel/kprobes-arm.c

+0 −6
Original line number Diff line number Diff line
@@ -69,12 +69,6 @@ 


#define is_r15(insn, bitpos) (((insn) & (0xf << bitpos)) == (0xf << bitpos))



/*

 * Test if load/store instructions writeback the address register.

 * if P (bit 24) == 0 or W (bit 21) == 1

 */

#define is_writeback(insn) ((insn ^ 0x01000000) & 0x01200000)



#define PSR_fs	(PSR_f|PSR_s)



#define KPROBE_RETURN_INSTRUCTION	0xe1a0f00e	/* mov pc, lr */

arch/arm/kernel/kprobes.h

+6 −0
Original line number Diff line number Diff line
@@ -36,4 +36,10 @@ void __init arm_kprobe_decode_init(void); 


extern kprobe_check_cc * const kprobe_condition_checks[16];



/*

 * Test if load/store instructions writeback the address register.

 * if P (bit 24) == 0 or W (bit 21) == 1

 */

#define is_writeback(insn) ((insn ^ 0x01000000) & 0x01200000)



#endif /* _ARM_KERNEL_KPROBES_H */