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Re: [Qemu-devel] [PATCH v6 4/6] include/elf: Add defines related to note


From: Aleksandar Markovic
Subject: Re: [Qemu-devel] [PATCH v6 4/6] include/elf: Add defines related to notes for GNU systems
Date: Thu, 6 Jun 2019 07:45:58 +0200

On Jun 5, 2019 11:03 PM, "Richard Henderson" <address@hidden>
wrote:
>
> This is a collection of related

Related to what?

> defines for notes, copied
> from glibc's <elf.h>.  We're not going to use all of these
> right away, but it seemed foolish

I don't think this an appropriate word for a commit message.

> to cherry-pick only the
> ones we need now.
>
> Signed-off-by: Richard Henderson <address@hidden>
> ---
>  include/elf.h | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 48 insertions(+)
>
> diff --git a/include/elf.h b/include/elf.h
> index ea7708a4ea..6f3eada36f 100644
> --- a/include/elf.h
> +++ b/include/elf.h
> @@ -1650,6 +1650,54 @@ typedef struct elf64_shdr {
>  #define NT_ARM_HW_WATCH 0x403           /* ARM hardware watchpoint
registers */
>  #define NT_ARM_SYSTEM_CALL      0x404   /* ARM system call number */
>
> +/* Defined note types for GNU systems.  */
> +
> +#define NT_GNU_ABI_TAG          1       /* ABI information */
> +#define NT_GNU_HWCAP            2       /* Synthetic hwcap information */
> +#define NT_GNU_BUILD_ID         3       /* Build ID */
> +#define NT_GNU_GOLD_VERSION     4       /* Version of ld.gold */
> +#define NT_GNU_PROPERTY_TYPE_0  5       /* Program property */
> +
> +/* Values used in GNU .note.gnu.property notes
(NT_GNU_PROPERTY_TYPE_0).  */
> +
> +#define GNU_PROPERTY_STACK_SIZE                 1
> +#define GNU_PROPERTY_NO_COPY_ON_PROTECTED       2
> +
> +#define GNU_PROPERTY_LOPROC                     0xc0000000
> +#define GNU_PROPERTY_HIPROC                     0xdfffffff
> +#define GNU_PROPERTY_LOUSER                     0xe0000000
> +#define GNU_PROPERTY_HIUSER                     0xffffffff
> +
> +#define GNU_PROPERTY_X86_ISA_1_USED             0xc0000000
> +#define GNU_PROPERTY_X86_ISA_1_NEEDED           0xc0000001
> +
> +#define GNU_PROPERTY_X86_ISA_1_486              (1U << 0)
> +#define GNU_PROPERTY_X86_ISA_1_586              (1U << 1)
> +#define GNU_PROPERTY_X86_ISA_1_686              (1U << 2)
> +#define GNU_PROPERTY_X86_ISA_1_SSE              (1U << 3)
> +#define GNU_PROPERTY_X86_ISA_1_SSE2             (1U << 4)
> +#define GNU_PROPERTY_X86_ISA_1_SSE3             (1U << 5)
> +#define GNU_PROPERTY_X86_ISA_1_SSSE3            (1U << 6)
> +#define GNU_PROPERTY_X86_ISA_1_SSE4_1           (1U << 7)
> +#define GNU_PROPERTY_X86_ISA_1_SSE4_2           (1U << 8)
> +#define GNU_PROPERTY_X86_ISA_1_AVX              (1U << 9)
> +#define GNU_PROPERTY_X86_ISA_1_AVX2             (1U << 10)
> +#define GNU_PROPERTY_X86_ISA_1_AVX512F          (1U << 11)
> +#define GNU_PROPERTY_X86_ISA_1_AVX512CD         (1U << 12)
> +#define GNU_PROPERTY_X86_ISA_1_AVX512ER         (1U << 13)
> +#define GNU_PROPERTY_X86_ISA_1_AVX512PF         (1U << 14)
> +#define GNU_PROPERTY_X86_ISA_1_AVX512VL         (1U << 15)
> +#define GNU_PROPERTY_X86_ISA_1_AVX512DQ         (1U << 16)
> +#define GNU_PROPERTY_X86_ISA_1_AVX512BW         (1U << 17)
> +
> +#define GNU_PROPERTY_X86_FEATURE_1_AND          0xc0000002
> +#define GNU_PROPERTY_X86_FEATURE_1_IBT          (1U << 0)
> +#define GNU_PROPERTY_X86_FEATURE_1_SHSTK        (1U << 1)
> +
> +#define GNU_PROPERTY_AARCH64_FEATURE_1_AND      0xc0000000
> +#define GNU_PROPERTY_AARCH64_FEATURE_1_BTI      (1u << 0)
> +#define GNU_PROPERTY_AARCH64_FEATURE_1_PAC      (1u << 1)
> +
>  /*
>   * Physical entry point into the kernel.
>   *
> --
> 2.17.1
>
>


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