2009/7/15 Eduard - Gabriel Munteanu <[email protected]>:
> This fixes stack frame operations on x86-64 to take into account the
> saved registers and the stack slot size.
>
> Signed-off-by: Eduard - Gabriel Munteanu <[email protected]>
> ---
> arch/x86/stack-frame.c | 6 +++++-
> 1 files changed, 5 insertions(+), 1 deletions(-)
>
> diff --git a/arch/x86/stack-frame.c b/arch/x86/stack-frame.c
> index d9f989f..1e660fd 100644
> --- a/arch/x86/stack-frame.c
> +++ b/arch/x86/stack-frame.c
> @@ -59,11 +59,15 @@
> * | Local m :
> * +--------------+
> */
> +#ifdef CONFIG_X86_32
> #define ARGS_START_OFFSET (sizeof(unsigned long) * 5)
> +#else
> +#define ARGS_START_OFFSET (sizeof(unsigned long) * 7)
> +#endif
It would be nice to know what exactly the 7 is. Can we have a pretty
diagram like for x86_32 (or modify the diagram to take x86_64 into
account)?
>
> static unsigned long __index_to_offset(unsigned long index)
> {
> - return index * sizeof(unsigned int);
> + return index * sizeof(unsigned long);
> }
>
> static unsigned long
> --
Vegard
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