Szabolcs Nagy <szabolcs.n...@arm.com> writes:
> Use aarch64-asm.h in asm code consistently, this was started in
>
>   commit c608ada288ced0268bbbbc1fd4136f56c34b24d4
>   Author:     Zac Walker <zacwal...@microsoft.com>
>   CommitDate: 2024-01-23 15:32:30 +0000
>
>   Ifdef `.hidden`, `.type`, and `.size` pseudo-ops for `aarch64-w64-mingw32` 
> target
>
> But that commit failed to remove some existing markings from asm files,
> which means some objects got double marked with gnu property notes.
>
> libgcc/ChangeLog:
>
>       * config/aarch64/crti.S: Remove stack marking.
>       * config/aarch64/crtn.S: Remove stack marking, include aarch64-asm.h
>       * config/aarch64/lse.S: Remove stack and GNU property markings.

OK, thanks.

Richard

> ---
>  libgcc/config/aarch64/crti.S |  6 ------
>  libgcc/config/aarch64/crtn.S |  6 +-----
>  libgcc/config/aarch64/lse.S  | 40 ------------------------------------
>  3 files changed, 1 insertion(+), 51 deletions(-)
>
> diff --git a/libgcc/config/aarch64/crti.S b/libgcc/config/aarch64/crti.S
> index b6805b86421..52ca1bb56d6 100644
> --- a/libgcc/config/aarch64/crti.S
> +++ b/libgcc/config/aarch64/crti.S
> @@ -23,12 +23,6 @@
>  
>  #include "aarch64-asm.h"
>  
> -/* An executable stack is *not* required for these functions.  */
> -#if defined(__ELF__) && defined(__linux__)
> -.section .note.GNU-stack,"",%progbits
> -.previous
> -#endif
> -
>  # This file creates a stack frame for the contents of the .fini and
>  # .init sections.  Users may put any desired instructions in those
>  # sections.
> diff --git a/libgcc/config/aarch64/crtn.S b/libgcc/config/aarch64/crtn.S
> index 59f2441032a..67bcfab8564 100644
> --- a/libgcc/config/aarch64/crtn.S
> +++ b/libgcc/config/aarch64/crtn.S
> @@ -21,11 +21,7 @@
>  # see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
>  # <http://www.gnu.org/licenses/>.
>  
> -/* An executable stack is *not* required for these functions.  */
> -#if defined(__ELF__) && defined(__linux__)
> -.section .note.GNU-stack,"",%progbits
> -.previous
> -#endif
> +#include "aarch64-asm.h"
>  
>  # This file just makes sure that the .fini and .init sections do in
>  # fact return.  Users may put any desired instructions in those sections.
> diff --git a/libgcc/config/aarch64/lse.S b/libgcc/config/aarch64/lse.S
> index cee1e88c6a4..ecef47086c6 100644
> --- a/libgcc/config/aarch64/lse.S
> +++ b/libgcc/config/aarch64/lse.S
> @@ -315,43 +315,3 @@ STARTFN  NAME(LDNM)
>  
>  ENDFN        NAME(LDNM)
>  #endif
> -
> -/* GNU_PROPERTY_AARCH64_* macros from elf.h for use in asm code.  */
> -#define FEATURE_1_AND 0xc0000000
> -#define FEATURE_1_BTI 1
> -#define FEATURE_1_PAC 2
> -
> -/* Supported features based on the code generation options.  */
> -#if defined(__ARM_FEATURE_BTI_DEFAULT)
> -# define BTI_FLAG FEATURE_1_BTI
> -#else
> -# define BTI_FLAG 0
> -#endif
> -
> -#if __ARM_FEATURE_PAC_DEFAULT & 3
> -# define PAC_FLAG FEATURE_1_PAC
> -#else
> -# define PAC_FLAG 0
> -#endif
> -
> -/* Add a NT_GNU_PROPERTY_TYPE_0 note.  */
> -#define GNU_PROPERTY(type, value)    \
> -  .section .note.gnu.property, "a";  \
> -  .p2align 3;                                \
> -  .word 4;                           \
> -  .word 16;                          \
> -  .word 5;                           \
> -  .asciz "GNU";                              \
> -  .word type;                                \
> -  .word 4;                           \
> -  .word value;                               \
> -  .word 0;
> -
> -#if defined(__linux__) || defined(__FreeBSD__)
> -.section .note.GNU-stack, "", %progbits
> -
> -/* Add GNU property note if built with branch protection.  */
> -# if (BTI_FLAG|PAC_FLAG) != 0
> -GNU_PROPERTY (FEATURE_1_AND, BTI_FLAG|PAC_FLAG)
> -# endif
> -#endif

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