Re: [PATCH, libitm]: GTM_longjmp: Jump indirect from memory address

[Richard Henderson]

On 02/13/2012 11:54 PM, Uros Bizjak wrote:
>       movq    48(%rsi), %r15
> -     movq    56(%rsi), %rdx
>       movl    %edi, %eax
> +     cfi_offset(%rip, 56)
>       cfi_def_cfa(%rcx, 0)
> -     cfi_register(%rip, %rdx)
>       movq    %rcx, %rsp
> -     jmp     *%rdx
> +     jmp     *56(%rsi)

I'm sorry, I was mistaken earlier.  The rip value is not at CFA+56, it's at 
RSI+56.
The way to describe this is

        cfi_def_cfa(%rsi, 0)
        cfi_offset(%rip, 56)
        cfi_register(%rsp, %rcx)


r~