[PATCH] Restore ENTRY_POINT definition on hppa, ia64 (bug 28749)

[Adhemerval Zanella]

On 07/01/2022 05:59, Florian Weimer via Libc-alpha wrote:
> ENTRY_POINT is still needed for elf/rtld.c.  Fixes commit 4fb4e7e821e3
> ("csu: Always use __executable_start in gmon-start.c").

LGTM, thanks.

> 
> ---
>  sysdeps/hppa/entry.h | 8 ++++++++
>  sysdeps/ia64/entry.h | 8 ++++++++
>  2 files changed, 16 insertions(+)
> 
> diff --git a/sysdeps/hppa/entry.h b/sysdeps/hppa/entry.h
> new file mode 100644
> index 0000000000..f88bb5689d
> --- /dev/null
> +++ b/sysdeps/hppa/entry.h
> @@ -0,0 +1,8 @@
> +extern void _start (void);
> +
> +/* Lives in libgcc.so and canonicalizes function pointers for comparison.  */
> +extern unsigned int __canonicalize_funcptr_for_compare (unsigned int fptr);
> +
> +/* The function's entry point is stored in the first word of the
> +   function descriptor (plabel) of _start().  */
> +#define ENTRY_POINT __canonicalize_funcptr_for_compare((unsigned int)_start)
> diff --git a/sysdeps/ia64/entry.h b/sysdeps/ia64/entry.h
> new file mode 100644
> index 0000000000..9ae8b8615c
> --- /dev/null
> +++ b/sysdeps/ia64/entry.h
> @@ -0,0 +1,8 @@
> +#include <link.h>
> +#include <dl-fptr.h>
> +
> +extern void _start (void);
> +
> +/* The function's entry point is stored in the first word of the
> +   function descriptor (plabel) of _start().  */
> +#define ENTRY_POINT ELF_PTR_TO_FDESC (_start)->ip
>