linux-kernel - Re: [PATCH RESEND 0/2] RISC-V: Handle the siginfo

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Message-ID: <CAKmqyKPn9GBg=n1j-ZpEdCN4Qfi5qfNtEVgpgF8rYRpof4eNDA@mail.gmail.com>
Date:   Wed, 3 Jul 2019 11:40:39 -0700
From:   Alistair Francis <alistair23@...il.com>
To:     Andreas Schwab <schwab@...e.de>
Cc:     Alistair Francis <alistair.francis@....com>,
        linux-riscv@...ts.infradead.org, Arnd Bergmann <arnd@...db.de>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESEND 0/2] RISC-V: Handle the siginfo_t offset problem

On Wed, Jul 3, 2019 at 12:08 AM Andreas Schwab <schwab@...e.de> wrote:
>
> On Jul 02 2019, Alistair Francis <alistair.francis@....com> wrote:
>
> > In the RISC-V 32-bit glibc port [1] the siginfo_t struct in the kernel
> > doesn't line up with the struct in glibc. In glibc world the _sifields
> > union is 8 byte alligned (although I can't figure out why)
>
> Try ptype/o in gdb.

That's a useful tip, I'll be sure to use that next time.

Alistair

>
> Andreas.
>
> --
> Andreas Schwab, SUSE Labs, schwab@...e.de
> GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
> "And now for something completely different."