/* * Common low level (register) ptrace helpers * * Copyright 2004-2011 Analog Devices Inc. * * Licensed under the GPL-2 or later. */ #ifndef __ASM_GENERIC_PTRACE_H__ #define __ASM_GENERIC_PTRACE_H__ #ifndef __ASSEMBLY__ /* Helpers for working with the instruction pointer */ #ifndef GET_IP #define GET_IP(regs) ((regs)->pc) #endif #ifndef SET_IP #define SET_IP(regs, val) (GET_IP(regs) = (val)) #endif static inline unsigned long instruction_pointer(struct pt_regs *regs) { return GET_IP(regs); } static inline void instruction_pointer_set(struct pt_regs *regs, unsigned long val) { SET_IP(regs, val); } #ifndef profile_pc #define profile_pc(regs) instruction_pointer(regs) #endif /* Helpers for working with the user stack pointer */ #ifndef GET_USP #define GET_USP(regs) ((regs)->usp) #endif #ifndef SET_USP #define SET_USP(regs, val) (GET_USP(regs) = (val)) #endif static inline unsigned long user_stack_pointer(struct pt_regs *regs) { return GET_USP(regs); } static inline void user_stack_pointer_set(struct pt_regs *regs, unsigned long val) { SET_USP(regs, val); } /* Helpers for working with the frame pointer */ #ifndef GET_FP #define GET_FP(regs) ((regs)->fp) #endif #ifndef SET_FP #define SET_FP(regs, val) (GET_FP(regs) = (val)) #endif static inline unsigned long frame_pointer(struct pt_regs *regs) { return GET_FP(regs); } static inline void frame_pointer_set(struct pt_regs *regs, unsigned long val) { SET_FP(regs, val); } #endif /* __ASSEMBLY__ */ #endif d1538544f0fa849c5b76c7823469'>refslogtreecommitdiff
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authorJiri Slaby <jslaby@suse.cz>2017-01-18 14:29:21 +0100
committerIngo Molnar <mingo@kernel.org>2017-01-19 08:39:44 +0100
commitb5b46c4740aed1538544f0fa849c5b76c7823469 (patch)
tree125e7aced4835bad6f6a0c0d02d012f333caf922 /net/ipv6/Kconfig
parentfa19a769f82fb9a5ca000b83cacd13fcaeda51ac (diff)
objtool: Fix IRET's opcode
The IRET opcode is 0xcf according to the Intel manual and also to objdump of my vmlinux: 1ea8: 48 cf iretq Fix the opcode in arch_decode_instruction(). The previous value (0xc5) seems to correspond to LDS. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Acked-by: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20170118132921.19319-1-jslaby@suse.cz Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/ipv6/Kconfig')