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Re: [PATCH] Replace ROUND with ALIGN_UP by p_align [BZ #22370]
- From: Andreas Schwab <schwab at linux-m68k dot org>
- To: "H.J. Lu" <hjl dot tools at gmail dot com>
- Cc: GNU C Library <libc-alpha at sourceware dot org>
- Date: Sat, 11 Nov 2017 15:49:41 +0100
- Subject: Re: [PATCH] Replace ROUND with ALIGN_UP by p_align [BZ #22370]
- Authentication-results: sourceware.org; auth=none
- References: <20171031125622.GA18905@gmail.com> <87shdzxw8z.fsf@linux-m68k.org> <CAMe9rOp1Jy5Ei5wKVepMk=mqjSkLHFuM-QOnswD4y_TszXs8hw@mail.gmail.com> <CAMe9rOputmar8qk6P0ictDQn8thWyor8PQ4=LfQ7d-7kmb-x5Q@mail.gmail.com> <87po8p56s8.fsf@linux-m68k.org> <CAMe9rOqqzcfg66j-48w5xArP4f2PwuKP5rpq+kCOwYcmG_pS_A@mail.gmail.com>
On Nov 11 2017, "H.J. Lu" <hjl.tools@gmail.com> wrote:
> The gABI says:
>
> In 64-bit objects (files with e_ident[EI_CLASS] equal to ELFCLASS64),
> each entry is an array of 8-byte words in the format of the target
> processor. In 32-bit objects (files with e_ident[EI_CLASS] equal to
> ELFCLASS32), each entry is an array of 4-byte words in the format of
> the target processor.
>
> Since .note.ABI-tag and .note.gnu.build-id notes are aligned to 4
> bytes in 64-bit object while .note.gnu.property notes are aligned
> to 8 bytes in 64-bit object, we have to check p_align in program
> header for note alignment in PT_NOTE segments.
I don't see any reference to the segment alignment in the quote above.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
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