x86/insn: Add insn_get_modrm_reg_off()

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Add a function to the instruction decoder which returns the pt_regs
offset of the register specified in the reg field of the modrm byte.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Link: https://lkml.kernel.org/r/20200907131613.12703-11-joro@8bytes.org

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Joerg Roedel 2020-09-07 15:15:11 +02:00 • committed by Borislav Petkov

parent 172639d799

commit 7af1bd822d

2 changed files with 24 additions and 0 deletions

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arch/x86/include/asm/insn-eval.h

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23

arch/x86/lib/insn-eval.c

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