From: bamvor.zhangjian@huawei•com (zhangjian)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 07/24] ARM64:ILP32: Use the same size and layout of the signal structures for ILP32 as for LP64
Date: Thu, 18 Sep 2014 11:41:16 +0800 [thread overview]
Message-ID: <541A545C.3030307@huawei.com> (raw)
In-Reply-To: <1409779158-30963-8-git-send-email-apinski@cavium.com>
On 2014/9/4 5:19, Andrew Pinski wrote:
> Defines the macros which allow the signal structures to be the same between ILP32 and LP64.
>
> Signed-off-by: Andrew Pinski <apinski@cavium•com>
> ---
> arch/arm64/include/uapi/asm/siginfo.h | 33 ++++++++++++++++++++++++++++++++
> arch/arm64/include/uapi/asm/signal.h | 34 +++++++++++++++++++++++++++++++++
> 2 files changed, 67 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm64/include/uapi/asm/siginfo.h b/arch/arm64/include/uapi/asm/siginfo.h
> index 5a74a08..c80c612 100644
> --- a/arch/arm64/include/uapi/asm/siginfo.h
> +++ b/arch/arm64/include/uapi/asm/siginfo.h
> @@ -1,5 +1,6 @@
> /*
> * Copyright (C) 2012 ARM Ltd.
> + * Copyright (C) 2014 Cavium Inc.
> *
> * This program is free software; you can redistribute it and/or modify
> * it under the terms of the GNU General Public License version 2 as
> @@ -18,6 +19,38 @@
>
> #define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
>
> +#ifdef __ILP32__
> +
> +/*
> + * For ILP32, the siginfo structures should share the same layout and
> + * alignement requirements as LP64 ABI.
> + * To do this, use an extra pad field and add aligned attribute
> + * to the structure.
> + */
> +
> +# ifdef __AARCH64EB__
> +# define __SIGINFO_INNER(type, field) \
> + int __pad#field; \
> + type field
> +# else
> +# define __SIGINFO_INNER(type, field) \
> + type field; \
> + int __pad#field
> +# endif
> +
> +# undef __SIGINFO_VOIDPTR
> +# define __SIGINFO_VOIDPTR(field) \
> + __SIGINFO_INNER(void __user*, field)
> +# undef __SIGINFO_BAND
> +
> +# define __SIGINFO_BAND(field) \
> + __SIGINFO_INNER(long, field)
> +
> +/* Make the alignment of siginfo always 8 byte aligned. */
> +#define __ARCH_SI_ATTRIBUTES __attribute__((aligned(8)))
> +
> +#endif
> +
> #include <asm-generic/siginfo.h>
>
> #endif
> diff --git a/arch/arm64/include/uapi/asm/signal.h b/arch/arm64/include/uapi/asm/signal.h
> index 8d1e723..d33a5f7 100644
> --- a/arch/arm64/include/uapi/asm/signal.h
> +++ b/arch/arm64/include/uapi/asm/signal.h
> @@ -16,9 +16,43 @@
> #ifndef __ASM_SIGNAL_H
> #define __ASM_SIGNAL_H
>
> +#include <asm/posix-types.h>
typos here, it should be
#include <asm/posix_types.h>
> +
> /* Required for AArch32 compatibility. */
> #define SA_RESTORER 0x04000000
>
> +/*
> + * Since sigset is a bitmask, we need the same size fields for ILP32
> + * and LP64. With big-endian, 32bit bitmask does not match up to
> + * 64bit bitmask (unlike with little-endian).
> + */
> +#ifdef __ILP32__
> +
> +#define __SIGSET_INNER_TYPE __kernel_ulong_t
> +#define _NSIG_BPW 64
> +
> +# ifdef __AARCH64EB__
> +# define __SIGNAL_INNER(type, field) \
> + int __pad_##field; \
> + type field;
> +# else
> +# define __SIGNAL_INNER(type, field) \
> + type field; \
> + int __pad_##field;
> +# endif
> +
> +# define __SIGACTION_HANDLER(field) \
> + __SIGNAL_INNER(__sighandler_t, field)
> +
> +
> +#define __SIGACTION_FLAGS(field) \
> + __kernel_ulong_t field
> +
> +#define __SIGACTION_RESTORER(field) \
> + __SIGNAL_INNER(__sigrestore_t, field)
> +
> +#endif
> +
> #include <asm-generic/signal.h>
>
> #endif
>
next prev parent reply other threads:[~2014-09-18 3:41 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-03 21:18 [PATCHv3 00/24] ILP32 support in ARM64 Andrew Pinski
2014-09-03 21:18 ` [PATCH 01/24] ARM64: Force LP64 to compile the kernel Andrew Pinski
2014-09-03 21:18 ` [PATCH 02/24] ARM64: Rename COMPAT to AARCH32_EL0 in Kconfig Andrew Pinski
2014-09-03 21:18 ` [PATCH 03/24] ARM64: Change some CONFIG_COMPAT over to use CONFIG_AARCH32_EL0 instead Andrew Pinski
2014-09-03 21:18 ` [PATCH 04/24] ARM64:ILP32: Set kernel_long to long long so we can reuse most of the same syscalls as LP64 Andrew Pinski
2014-09-03 21:18 ` [PATCH 05/24] ARM64:UAPI: Set the correct __BITS_PER_LONG for ILP32 Andrew Pinski
2014-09-03 21:19 ` [PATCH 06/24] Allow for some signal structures to be the same between a 32bit ABI and the 64bit ABI Andrew Pinski
2014-09-03 21:19 ` [PATCH 07/24] ARM64:ILP32: Use the same size and layout of the signal structures for ILP32 as for LP64 Andrew Pinski
2014-09-18 3:41 ` zhangjian [this message]
2014-09-03 21:19 ` [PATCH 08/24] Allow a 32bit ABI to use the naming of the 64bit ABI syscalls to avoid confusion of not splitting the registers Andrew Pinski
2014-09-04 10:11 ` Arnd Bergmann
2014-10-01 12:42 ` Catalin Marinas
2014-10-01 14:00 ` Arnd Bergmann
2014-10-02 11:19 ` Catalin Marinas
2014-09-03 21:19 ` [PATCH 09/24] ARM64:ILP32: Use the same syscall names as LP64 Andrew Pinski
2014-10-01 12:48 ` Catalin Marinas
2014-09-03 21:19 ` [PATCH 10/24] ARM64: Introduce is_a32_task/is_a32_thread and TIF_AARCH32 and use them in the correct locations Andrew Pinski
2014-09-03 21:19 ` [PATCH 11/24] ARM64: Add is_ilp32_compat_task and is_ilp32_compat_thread Andrew Pinski
2014-09-03 21:19 ` [PATCH 12/24] ARM64:ILP32: COMPAT_USE_64BIT_TIME is true for ILP32 tasks Andrew Pinski
2014-09-03 21:19 ` [PATCH 13/24] ARM64:ILP32: Use the non compat HWCAP for ILP32 Andrew Pinski
2014-10-01 13:12 ` Catalin Marinas
2014-09-03 21:19 ` [PATCH 14/24] ARM64:ILP32 use the standard start_thread for ILP32 so the processor state is not AARCH32 Andrew Pinski
2014-09-03 21:19 ` [PATCH 15/24] compat_binfmt_elf: coredump: Allow some core dump macros be overridden for compat Andrew Pinski
2014-09-03 21:19 ` [PATCH 16/24] ARM64:ILP32: Support core dump for ILP32 Andrew Pinski
2014-10-01 13:22 ` Catalin Marinas
2014-09-03 21:19 ` [PATCH 17/24] ARM64: Add loading of ILP32 binaries Andrew Pinski
2014-09-03 21:19 ` [PATCH 18/24] ARM64: Add vdso for ILP32 and use it for the signal return Andrew Pinski
2014-09-10 14:31 ` Christopher Covington
2014-10-01 13:59 ` Catalin Marinas
2014-10-02 13:38 ` Catalin Marinas
2014-09-03 21:19 ` [PATCH 19/24] ptrace: Allow compat to use the native siginfo Andrew Pinski
2014-10-02 14:13 ` Catalin Marinas
2014-09-03 21:19 ` [PATCH 20/24] ARM64:ILP32: The native siginfo is used instead of the compat siginfo Andrew Pinski
2014-09-03 21:19 ` [PATCH 21/24] ARM64:ILP32: Use a seperate syscall table as a few syscalls need to be using the compat syscalls Andrew Pinski
2014-10-02 15:23 ` Catalin Marinas
2014-10-02 15:46 ` Catalin Marinas
2014-09-03 21:19 ` [PATCH 22/24] ARM64:ILP32: Fix signal return for ILP32 when the user modified the signal stack Andrew Pinski
2014-09-03 21:19 ` [PATCH 23/24] ARM64: Add ARM64_ILP32 to Kconfig Andrew Pinski
2014-09-03 21:19 ` [PATCH 24/24] Add documentation about ARM64 ILP32 ABI Andrew Pinski
2014-09-04 10:01 ` Arnd Bergmann
2014-10-02 15:52 ` [PATCHv3 00/24] ILP32 support in ARM64 Catalin Marinas
2015-02-10 18:13 ` Rich Felker
2015-02-11 17:39 ` Catalin Marinas
2015-02-11 19:05 ` [musl] " Szabolcs Nagy
2015-02-11 19:22 ` H.J. Lu
2015-02-11 19:50 ` arnd at arndb.de
2015-02-11 20:12 ` Rich Felker
[not found] ` <1383502854.512344.1423688575473.JavaMail.open-xchange@oxbaltgw09.schlund.de>
2015-02-11 21:09 ` arnd at arndb.de
2015-02-11 21:37 ` Rich Felker
2015-02-16 17:20 ` Arnd Bergmann
2015-02-16 17:51 ` Rich Felker
2015-02-16 19:38 ` Arnd Bergmann
2015-02-12 8:12 ` Szabolcs Nagy
2015-02-12 17:07 ` Catalin Marinas
2015-02-11 19:21 ` Rich Felker
2015-02-12 18:17 ` Catalin Marinas
2015-02-12 18:59 ` arnd at arndb.de
2015-02-13 13:33 ` Catalin Marinas
2015-02-13 16:30 ` Rich Felker
2015-02-13 17:33 ` Catalin Marinas
2015-02-13 18:37 ` Rich Felker
2015-02-16 14:40 ` Arnd Bergmann
2015-02-16 15:38 ` Rich Felker
2015-02-16 16:54 ` Arnd Bergmann
2015-02-11 18:33 ` H.J. Lu
2015-02-11 19:02 ` Rich Felker
2015-02-11 19:16 ` H.J. Lu
2015-02-11 19:25 ` Rich Felker
2015-02-11 19:34 ` H.J. Lu
2015-02-11 19:47 ` Rich Felker
2015-02-11 19:57 ` H.J. Lu
2015-02-11 20:15 ` Andy Lutomirski
2015-02-12 15:50 ` Catalin Marinas
2015-02-12 16:13 ` Rich Felker
2015-02-12 16:30 ` H.J. Lu
2015-02-12 17:00 ` Rich Felker
2015-02-11 21:41 ` Joseph Myers
-- strict thread matches above, loose matches on Subject: below --
2014-05-24 7:01 [PATCHv2 00/24] ILP32 Support " Andrew Pinski
2014-05-24 7:02 ` [PATCH 07/24] ARM64:ILP32: Use the same size and layout of the signal structures for ILP32 as for LP64 Andrew Pinski
2014-06-17 15:58 ` Catalin Marinas
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=541A545C.3030307@huawei.com \
--to=bamvor.zhangjian@huawei$(echo .)com \
--cc=linux-arm-kernel@lists$(echo .)infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox