[PATCH v3] hppa: Fix bind-now audit (BZ #28857)

[John David Anglin]

On 2022-02-07 9:15 a.m., Adhemerval Zanella wrote:
> diff --git a/sysdeps/hppa/dl-lookupcfg.h b/sysdeps/hppa/dl-lookupcfg.h
> index 8da2412fea..535177df66 100644
> --- a/sysdeps/hppa/dl-lookupcfg.h
> +++ b/sysdeps/hppa/dl-lookupcfg.h
> @@ -79,7 +79,9 @@ void attribute_hidden _dl_unmap (struct link_map *map);
>   /* Extract the code address from a fixup value */
>   #define DL_FIXUP_VALUE_CODE_ADDR(value) ((value).ip)
>   #define DL_FIXUP_VALUE_ADDR(value) ((uintptr_t) &(value))
> -#define DL_FIXUP_ADDR_VALUE(addr) (*(struct fdesc *) (addr))
> +/* Clear the plabel bit to get the actual address of the descriptor.  */
> +#define DL_FIXUP_ADDR_VALUE(addr) \
> +  (*(DL_FIXUP_VALUE_TYPE *) ((unsigned int) (addr) & ~2))
>   #define DL_FIXUP_BINDNOW_ADDR_VALUE(addr) (addr)
> -#define DL_FIXUP_BINDNOW_RELOC(value, new_value, st_value) \
> -  (*value) = *(struct fdesc *) (st_value)
> +#define DL_FIXUP_BINDNOW_RELOC(value, new_value, st_value)	\
> +  *(value) = *(DL_FIXUP_VALUE_TYPE *) ((unsigned int) (new_value) & ~2);
This is okay.

Dave

-- 
John David Anglin  dave.anglin@bell.net