Re: [PATCH] Add NT_GNU_PROPERTY_TYPE_0 macros

["H.J. Lu" <hjl.tools@gmail.com>]

On Tue, Aug 15, 2017 at 5:04 AM, H.J. Lu <hongjiu.lu@intel.com> wrote:
> Add macros used in GNU .note.gnu.property notes (NT_GNU_PROPERTY_TYPE_0).
>
> Any comments or objections?

I will check it today.

> H.J.
> --
>         * elf/elf.h (NT_GNU_PROPERTY_TYPE_0): New.
>         (NOTE_GNU_PROPERTY_SECTION_NAME): Likewise.
>         (GNU_PROPERTY_STACK_SIZE): Likewie.
>         (GNU_PROPERTY_NO_COPY_ON_PROTECTED): Likewie.
>         (GNU_PROPERTY_LOPROC): Likewise.
>         (GNU_PROPERTY_HIPROC): Likewise.
>         (GNU_PROPERTY_LOUSER): Likewise.
>         (GNU_PROPERTY_HIUSER): Likewise.
>         (GNU_PROPERTY_X86_ISA_1_USED): Likwise.
>         (GNU_PROPERTY_X86_ISA_1_NEEDED): Likwise.
>         (GNU_PROPERTY_X86_FEATURE_1_AND): Likwise.
>         (GNU_PROPERTY_X86_ISA_1_486): Likwise.
>         (GNU_PROPERTY_X86_ISA_1_586): Likwise.
>         (GNU_PROPERTY_X86_ISA_1_686): Likwise.
>         (GNU_PROPERTY_X86_ISA_1_SSE): Likwise.
>         (GNU_PROPERTY_X86_ISA_1_SSE2): Likwise.
>         (GNU_PROPERTY_X86_ISA_1_SSE3): Likwise.
>         (GNU_PROPERTY_X86_ISA_1_SSSE3): Likwise.
>         (GNU_PROPERTY_X86_ISA_1_SSE4_1): Likwise.
>         (GNU_PROPERTY_X86_ISA_1_SSE4_2): Likwise.
>         (GNU_PROPERTY_X86_ISA_1_AVX): Likwise.
>         (GNU_PROPERTY_X86_ISA_1_AVX2): Likwise.
>         (GNU_PROPERTY_X86_ISA_1_AVX512F): Likwise.
>         (GNU_PROPERTY_X86_ISA_1_AVX512CD): Likwise.
>         (GNU_PROPERTY_X86_ISA_1_AVX512ER): Likwise.
>         (GNU_PROPERTY_X86_ISA_1_AVX512PF): Likwise.
>         (GNU_PROPERTY_X86_ISA_1_AVX512VL): Likwise.
>         (GNU_PROPERTY_X86_ISA_1_AVX512DQ): Likwise.
>         (GNU_PROPERTY_X86_ISA_1_AVX512BW): Likwise.
>         (GNU_PROPERTY_X86_FEATURE_1_IBT): Likwise.
>         (GNU_PROPERTY_X86_FEATURE_1_SHSTK): Likwise.
> ---
>  elf/elf.h | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 56 insertions(+)
>
> diff --git a/elf/elf.h b/elf/elf.h
> index 3900b4c9f0..237e35c096 100644
> --- a/elf/elf.h
> +++ b/elf/elf.h
> @@ -1247,6 +1247,62 @@ typedef struct
>  /* Version note generated by GNU gold containing a version string.  */
>  #define NT_GNU_GOLD_VERSION    4
>
> +/* Program property.  */
> +#define NT_GNU_PROPERTY_TYPE_0 5
> +
> +/* Note section name of program property.   */
> +#define NOTE_GNU_PROPERTY_SECTION_NAME ".note.gnu.property"
> +
> +/* Values used in GNU .note.gnu.property notes (NT_GNU_PROPERTY_TYPE_0).  */
> +
> +/* Stack size.  */
> +#define GNU_PROPERTY_STACK_SIZE                        1
> +/* No copy relocation on protected data symbol.  */
> +#define GNU_PROPERTY_NO_COPY_ON_PROTECTED      2
> +
> +/* Processor-specific semantics, lo */
> +#define GNU_PROPERTY_LOPROC                    0xc0000000
> +/* Processor-specific semantics, hi */
> +#define GNU_PROPERTY_HIPROC                    0xdfffffff
> +/* Application-specific semantics, lo */
> +#define GNU_PROPERTY_LOUSER                    0xe0000000
> +/* Application-specific semantics, hi */
> +#define GNU_PROPERTY_HIUSER                    0xffffffff
> +
> +/* The x86 instruction sets indicated by the corresponding bits are
> +   used in program.  Their support in the hardware is optional.  */
> +#define GNU_PROPERTY_X86_ISA_1_USED            0xc0000000
> +/* The x86 instruction sets indicated by the corresponding bits are
> +   used in program and they must be supported by the hardware.   */
> +#define GNU_PROPERTY_X86_ISA_1_NEEDED          0xc0000001
> +/* X86 processor-specific features used in program.  */
> +#define GNU_PROPERTY_X86_FEATURE_1_AND         0xc0000002
> +
> +#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)
> +
> +/* This indicates that all executable sections are compatible with
> +   IBT.  */
> +#define GNU_PROPERTY_X86_FEATURE_1_IBT         (1U << 0)
> +/* This indicates that all executable sections are compatible with
> +   SHSTK.  */
> +#define GNU_PROPERTY_X86_FEATURE_1_SHSTK       (1U << 1)
>
>  /* Move records.  */
>  typedef struct
> --
> 2.13.5
>



-- 
H.J.