Re: [PATCH v2] x86: update/correct opcodes map

From: Ingo Molnar
Date: Fri Dec 15 2017 - 07:35:55 EST



* Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote:

> From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
>
> Update x86-opcode-map.txt based on the October 2017 Intel SDM publication.
> Correct INVPID to INVVPID.
> Add UD0 and UD1 instruction opcodes.
>
> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Cc: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
> Cc: Masami Hiramatsu <masami.hiramatsu@xxxxxxxxx>
> Cc: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
> Cc: x86 maintainers <x86@xxxxxxxxxx>
> ---
>
> v2 changes:
> . correct email address.
> . add full Grp10 table
> . use # comments as requested
>
> arch/x86/lib/x86-opcode-map.txt | 15 ++++++++++++---
> 1 file changed, 12 insertions(+), 3 deletions(-)
>
>
> --- lnx-415-rc3.orig/arch/x86/lib/x86-opcode-map.txt
> +++ lnx-415-rc3/arch/x86/lib/x86-opcode-map.txt
> @@ -533,7 +533,7 @@ b5: LGS Gv,Mp
> b6: MOVZX Gv,Eb
> b7: MOVZX Gv,Ew
> b8: JMPE (!F3) | POPCNT Gv,Ev (F3)
> -b9: Grp10 (1A)
> +b9: Grp10 (1A) # all UD1

This change breaks the tools/objtool parser:

GEN arch/x86/insn/inat-tables.c
Semantic error at 536: # is not a separator
arch/x86/Build:7: recipe for target 'arch/x86/insn/inat-tables.c' failed

so I left it out for the time being.

Thanks,

Ingo