Re: [PATCH v2 02/16] perf tools: arc: Support generic syscall headers

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On Thu, Dec 12, 2024 at 04:32:52PM -0800, Charlie Jenkins wrote:
> Arc uses the generic syscall table, use that in perf instead of
> requiring libaudit.
> 
> Signed-off-by: Charlie Jenkins <charlie@xxxxxxxxxxxx>
> ---
>  tools/perf/Makefile.config                           | 2 +-
>  tools/perf/Makefile.perf                             | 2 +-
>  tools/perf/arch/arc/entry/syscalls/Kbuild            | 2 ++
>  tools/perf/arch/arc/entry/syscalls/Makefile.syscalls | 3 +++
>  tools/perf/arch/arc/include/syscall_table.h          | 2 ++
>  5 files changed, 9 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
> index a72f25162714f0117a88d94474da336814d4f030..3959a9c9972999f6d1bb85e8c1d7dc5dce92fd09 100644
> --- a/tools/perf/Makefile.config
> +++ b/tools/perf/Makefile.config
> @@ -36,7 +36,7 @@ ifneq ($(NO_SYSCALL_TABLE),1)
>    endif
>  
>    # architectures that use the generic syscall table scripts
> -  ifeq ($(SRCARCH),riscv)
> +  ifeq ($(SRCARCH),$(filter $(SRCARCH),riscv arc))

This might work as well.

  ifneq ($(filter $(SRCARCH), riscv arc),)

And maybe you can add a variable for supported archs.

Thanks,
Namhyung


>      NO_SYSCALL_TABLE := 0
>      CFLAGS += -DGENERIC_SYSCALL_TABLE
>      CFLAGS += -I$(OUTPUT)/tools/perf/arch/$(SRCARCH)/include/generated
> diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
> index f5278ed9f778f928436693a14e016c5c3c5171c1..3b463b42b0e3982e74056e672b2ee6adad5a3f0e 100644
> --- a/tools/perf/Makefile.perf
> +++ b/tools/perf/Makefile.perf
> @@ -311,7 +311,7 @@ FEATURE_TESTS := all
>  endif
>  endif
>  # architectures that use the generic syscall table
> -ifeq ($(SRCARCH),riscv)
> +ifeq ($(SRCARCH),$(filter $(SRCARCH),riscv arc))
>  include $(srctree)/tools/perf/scripts/Makefile.syscalls
>  endif
>  include Makefile.config
> diff --git a/tools/perf/arch/arc/entry/syscalls/Kbuild b/tools/perf/arch/arc/entry/syscalls/Kbuild
> new file mode 100644
> index 0000000000000000000000000000000000000000..11707c481a24ecf4e220e51eb1aca890fe929a13
> --- /dev/null
> +++ b/tools/perf/arch/arc/entry/syscalls/Kbuild
> @@ -0,0 +1,2 @@
> +# SPDX-License-Identifier: GPL-2.0
> +syscall-y += syscalls_32.h
> diff --git a/tools/perf/arch/arc/entry/syscalls/Makefile.syscalls b/tools/perf/arch/arc/entry/syscalls/Makefile.syscalls
> new file mode 100644
> index 0000000000000000000000000000000000000000..391d30ab7a831b72d2ed3f2e7966fdbf558a9ed7
> --- /dev/null
> +++ b/tools/perf/arch/arc/entry/syscalls/Makefile.syscalls
> @@ -0,0 +1,3 @@
> +# SPDX-License-Identifier: GPL-2.0
> +
> +syscall_abis_32 += arc time32 renameat stat64 rlimit
> diff --git a/tools/perf/arch/arc/include/syscall_table.h b/tools/perf/arch/arc/include/syscall_table.h
> new file mode 100644
> index 0000000000000000000000000000000000000000..4c942821662d95216765b176a84d5fc7974e1064
> --- /dev/null
> +++ b/tools/perf/arch/arc/include/syscall_table.h
> @@ -0,0 +1,2 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +#include <asm/syscalls_32.h>
> 
> -- 
> 2.34.1
> 




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