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Re: [PATCH v6 11/20] arm64:ilp32: support core dump generation for ILP32

From Catalin Marinas <catalin.marinas@arm.com>
Newsgroups linux.kernel
Subject Re: [PATCH v6 11/20] arm64:ilp32: support core dump generation for ILP32
Date 2015-12-17 15:10 +0100
Message-ID <qGHpN-py-17@gated-at.bofh.it> (permalink)
References <qG5DP-1iE-3@gated-at.bofh.it> <qG5DQ-1iE-39@gated-at.bofh.it>
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On Wed, Dec 16, 2015 at 12:42:37AM +0300, Yury Norov wrote:
> diff --git a/arch/arm64/include/asm/elf.h b/arch/arm64/include/asm/elf.h
> index 8786ca5..4e2e3c0 100644
> --- a/arch/arm64/include/asm/elf.h
> +++ b/arch/arm64/include/asm/elf.h
[...]
> +/*
> + * struct elf_prstatus is defined in include/uapi/linux/elfcore.h,
> + * and has different sise for supported ABIs
> + */
> +#define PRSTATUS_SIZE(S)		(is_a32_compat_task() ? 124 : (is_ilp32_compat_task() ? 352 : 392))

It's the *third* time I ask this: can you not use some sizeof instead of
the magic numbers?

-- 
Catalin
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[RFC3 PATCH v6 00/20] ILP32 for ARM64 Yury Norov <ynorov@caviumnetworks.com> - 2015-12-15 22:50 +0100
  [PATCH v6 10/20] arm64:ilp32 use the native LP64 'start_thread' for ILP32 threads Yury Norov <ynorov@caviumnetworks.com> - 2015-12-15 22:50 +0100
    Re: [PATCH v6 10/20] arm64:ilp32 use the native LP64 'start_thread' for ILP32 threads Arnd Bergmann <arnd@arndb.de> - 2015-12-16 17:00 +0100
      Re: [PATCH v6 10/20] arm64:ilp32 use the native LP64 'start_thread'  for ILP32 threads Yury Norov <ynorov@caviumnetworks.com> - 2015-12-18 15:00 +0100
  [PATCH v6 12/20] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Yury Norov <ynorov@caviumnetworks.com> - 2015-12-15 22:50 +0100
    Re: [PATCH v6 12/20] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Arnd Bergmann <arnd@arndb.de> - 2015-12-16 17:10 +0100
    Re: [PATCH v6 12/20] arm64:ilp32: add sys_ilp32.c and a separate  table (in entry.S) to use it Catalin Marinas <catalin.marinas@arm.com> - 2015-12-17 19:30 +0100
      Re: [PATCH v6 12/20] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Arnd Bergmann <arnd@arndb.de> - 2015-12-17 21:20 +0100
        Re: [PATCH v6 12/20] arm64:ilp32: add sys_ilp32.c and a separate  table (in entry.S) to use it Andrew Pinski <pinskia@gmail.com> - 2015-12-17 21:20 +0100
          Re: [PATCH v6 12/20] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Arnd Bergmann <arnd@arndb.de> - 2015-12-17 22:00 +0100
          Re: [PATCH v6 12/20] arm64:ilp32: add sys_ilp32.c and a separate  table (in entry.S) to use it Catalin Marinas <catalin.marinas@arm.com> - 2015-12-18 12:50 +0100
            Re: [PATCH v6 12/20] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Arnd Bergmann <arnd@arndb.de> - 2015-12-18 14:00 +0100
              Re: [PATCH v6 12/20] arm64:ilp32: add sys_ilp32.c and a separate  table (in entry.S) to use it Catalin Marinas <catalin.marinas@arm.com> - 2015-12-21 19:40 +0100
                Re: [PATCH v6 12/20] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Arnd Bergmann <arnd@arndb.de> - 2015-12-21 23:30 +0100
              Re: [PATCH v6 12/20] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it "Dr. Philipp Tomsich" <philipp.tomsich@theobroma-systems.com> - 2015-12-21 19:50 +0100
                Re: [PATCH v6 12/20] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Arnd Bergmann <arnd@arndb.de> - 2015-12-21 23:20 +0100
    Re: [PATCH v6 12/20] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Arnd Bergmann <arnd@arndb.de> - 2015-12-21 23:40 +0100
      Re: [PATCH v6 12/20] arm64:ilp32: add sys_ilp32.c and a separate  table (in entry.S) to use it Yury Norov <ynorov@caviumnetworks.com> - 2015-12-23 19:40 +0100
        Re: [PATCH v6 12/20] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Arnd Bergmann <arnd@arndb.de> - 2015-12-23 22:50 +0100
  [PATCH v6 02/20] arm64: ensure the kernel is compiled for LP64 Yury Norov <ynorov@caviumnetworks.com> - 2015-12-15 22:50 +0100
  [PATCH v6 13/20] arm64: ilp32: share aarch32 syscall wrappers to ilp32 Yury Norov <ynorov@caviumnetworks.com> - 2015-12-15 22:50 +0100
    Re: [PATCH v6 13/20] arm64: ilp32: share aarch32 syscall wrappers to ilp32 Andreas Schwab <schwab@suse.de> - 2015-12-17 15:40 +0100
      Re: [PATCH v6 13/20] arm64: ilp32: share aarch32 syscall wrappers to  ilp32 Yury Norov <ynorov@caviumnetworks.com> - 2015-12-18 15:00 +0100
    Re: [PATCH v6 13/20] arm64: ilp32: share aarch32 syscall wrappers to  ilp32 Catalin Marinas <catalin.marinas@arm.com> - 2015-12-22 13:30 +0100
      Re: [PATCH v6 13/20] arm64: ilp32: share aarch32 syscall wrappers to ilp32 Arnd Bergmann <arnd@arndb.de> - 2015-12-22 22:50 +0100
        Re: [PATCH v6 13/20] arm64: ilp32: share aarch32 syscall wrappers to  ilp32 Catalin Marinas <catalin.marinas@arm.com> - 2015-12-23 14:40 +0100
          Re: [PATCH v6 13/20] arm64: ilp32: share aarch32 syscall wrappers to ilp32 Arnd Bergmann <arnd@arndb.de> - 2015-12-23 21:50 +0100
            Re: [PATCH v6 13/20] arm64: ilp32: share aarch32 syscall wrappers to  ilp32 Yury Norov <ynorov@caviumnetworks.com> - 2015-12-30 18:30 +0100
              Re: [PATCH v6 13/20] arm64: ilp32: share aarch32 syscall wrappers to ilp32 Arnd Bergmann <arnd@arndb.de> - 2015-12-30 23:40 +0100
      Re: [PATCH v6 13/20] arm64: ilp32: share aarch32 syscall wrappers to  ilp32 Yury Norov <ynorov@caviumnetworks.com> - 2015-12-23 05:30 +0100
  [PATCH v6 08/20] arm64: ilp32: add is_ilp32_compat_{task,thread} and TIF_32BIT_AARCH64 Yury Norov <ynorov@caviumnetworks.com> - 2015-12-15 22:50 +0100
    Re: [PATCH v6 08/20] arm64: ilp32: add is_ilp32_compat_{task,  thread} and TIF_32BIT_AARCH64 Catalin Marinas <catalin.marinas@arm.com> - 2015-12-17 12:50 +0100
      Re: [PATCH v6 08/20] arm64: ilp32: add is_ilp32_compat_{task,  thread} and TIF_32BIT_AARCH64 Yury Norov <ynorov@caviumnetworks.com> - 2015-12-18 15:20 +0100
        Re: [PATCH v6 08/20] arm64: ilp32: add is_ilp32_compat_{task,  thread} and TIF_32BIT_AARCH64 Yury Norov <ynorov@caviumnetworks.com> - 2015-12-18 15:50 +0100
          Re: [PATCH v6 08/20] arm64: ilp32: add is_ilp32_compat_{task,  thread} and TIF_32BIT_AARCH64 Catalin Marinas <catalin.marinas@arm.com> - 2015-12-21 18:50 +0100
  [PATCH v6 04/20] arm64: change some CONFIG_COMPAT over to use CONFIG_AARCH32_EL0 instead Yury Norov <ynorov@caviumnetworks.com> - 2015-12-15 22:50 +0100
    Re: [PATCH v6 04/20] arm64: change some CONFIG_COMPAT over to use  CONFIG_AARCH32_EL0 instead Yury Norov <ynorov@caviumnetworks.com> - 2015-12-23 15:20 +0100
    > diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile Bamvor Jian Zhang <bamvor.zhangjian@linaro.org> - 2015-12-28 09:50 +0100
      Re: [PATCH v6 04/20] arm64: change some CONFIG_COMPAT over to use  CONFIG_AARCH32_EL0 instead "Zhangjian (Bamvor)" <bamvor.zhangjian@huawei.com> - 2015-12-28 10:10 +0100
        Re: [PATCH v6 04/20] arm64: change some CONFIG_COMPAT over to use  CONFIG_AARCH32_EL0 instead Yury Norov <ynorov@caviumnetworks.com> - 2015-12-29 13:40 +0100
          [PATCH] arm64: compat: fix wrong dependency Bamvor Jian Zhang <bamvor.zhangjian@linaro.org> - 2015-12-29 16:10 +0100
        Re: [PATCH v6 04/20] arm64: change some CONFIG_COMPAT over to use  CONFIG_AARCH32_EL0 instead Yury Norov <ynorov@caviumnetworks.com> - 2015-12-29 14:20 +0100
  [PATCH v6 01/20] arm64: ilp32: add documentation on the ILP32 ABI for ARM64 Yury Norov <ynorov@caviumnetworks.com> - 2015-12-15 22:50 +0100
  [PATCH v6 09/20] arm64:ilp32: share HWCAP between LP64 and ILP32 Yury Norov <ynorov@caviumnetworks.com> - 2015-12-15 22:50 +0100
    Re: [PATCH v6 09/20] arm64:ilp32: share HWCAP between LP64 and ILP32 Arnd Bergmann <arnd@arndb.de> - 2015-12-16 17:00 +0100
      Re: [PATCH v6 09/20] arm64:ilp32: share HWCAP between LP64 and ILP32 Catalin Marinas <catalin.marinas@arm.com> - 2015-12-16 18:00 +0100
        Re: [PATCH v6 09/20] arm64:ilp32: share HWCAP between LP64 and ILP32 Catalin Marinas <catalin.marinas@arm.com> - 2015-12-16 18:20 +0100
          Re: [PATCH v6 09/20] arm64:ilp32: share HWCAP between LP64 and ILP32 Arnd Bergmann <arnd@arndb.de> - 2015-12-16 20:20 +0100
            Re: [PATCH v6 09/20] arm64:ilp32: share HWCAP between LP64 and ILP32 Catalin Marinas <catalin.marinas@arm.com> - 2015-12-17 12:00 +0100
              Re: [PATCH v6 09/20] arm64:ilp32: share HWCAP between LP64 and ILP32 Arnd Bergmann <arnd@arndb.de> - 2015-12-17 15:00 +0100
  [PATCH v6 07/20] arm64: introduce is_a32_task and is_a32_thread (for AArch32 compat) Yury Norov <ynorov@caviumnetworks.com> - 2015-12-15 22:50 +0100
    Re: [PATCH v6 07/20] arm64: introduce is_a32_task and is_a32_thread  (for AArch32 compat) Catalin Marinas <catalin.marinas@arm.com> - 2015-12-17 12:40 +0100
  [PATCH v6 05/20] arm64:uapi: set __BITS_PER_LONG correctly for ILP32 and LP64 Yury Norov <ynorov@caviumnetworks.com> - 2015-12-15 22:50 +0100
  [PATCH v6 11/20] arm64:ilp32: support core dump generation for ILP32 Yury Norov <ynorov@caviumnetworks.com> - 2015-12-15 22:50 +0100
    Re: [PATCH v6 11/20] arm64:ilp32: support core dump generation for  ILP32 Catalin Marinas <catalin.marinas@arm.com> - 2015-12-17 15:10 +0100
  [PATCH v6 15/20] arm64: signal: move ilp32 and lp64 common code to separated file Yury Norov <ynorov@caviumnetworks.com> - 2015-12-15 22:50 +0100
    Re: [PATCH v6 15/20] arm64: signal: move ilp32 and lp64 common code to separated file Arnd Bergmann <arnd@arndb.de> - 2015-12-16 17:10 +0100
      Re: [PATCH v6 15/20] arm64: signal: move ilp32 and lp64 common code  to separated file Yury Norov <ynorov@caviumnetworks.com> - 2015-12-18 14:50 +0100
        Re: [PATCH v6 15/20] arm64: signal: move ilp32 and lp64 common code to separated file Arnd Bergmann <arnd@arndb.de> - 2015-12-18 15:20 +0100
    Re: [PATCH v6 15/20] arm64: signal: move ilp32 and lp64 common code  to separated file Catalin Marinas <catalin.marinas@arm.com> - 2015-12-22 18:20 +0100
  [PATCH v6 17/20] arm64: ilp32: introduce ilp32-specific handlers for sigframe Yury Norov <ynorov@caviumnetworks.com> - 2015-12-15 23:00 +0100
    Re: [PATCH v6 17/20] arm64: ilp32: introduce ilp32-specific handlers  for sigframe Catalin Marinas <catalin.marinas@arm.com> - 2015-12-22 18:20 +0100
  [PATCH v6 18/20] arm64:ilp32: add vdso-ilp32 and use for signal return Yury Norov <ynorov@caviumnetworks.com> - 2015-12-15 23:00 +0100
  [PATCH v6 19/20] arm64:ilp32: change COMPAT_ELF_PLATFORM to report a a subplatform for ILP32 Yury Norov <ynorov@caviumnetworks.com> - 2015-12-15 23:00 +0100
  [PATCH v6 20/20] arm64:ilp32: add ARM64_ILP32 to Kconfig Yury Norov <ynorov@caviumnetworks.com> - 2015-12-15 23:00 +0100
  [PATCH v6 16/20] arm64: signal32: move ilp32 and aarch32 common code to separated file Yury Norov <ynorov@caviumnetworks.com> - 2015-12-15 23:00 +0100
    Re: [PATCH v6 16/20] arm64: signal32: move ilp32 and aarch32 common  code to separated file Catalin Marinas <catalin.marinas@arm.com> - 2015-12-22 15:30 +0100
  Re: [RFC3 PATCH v6 00/20] ILP32 for ARM64 Arnd Bergmann <arnd@arndb.de> - 2015-12-16 17:30 +0100

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