From 26db6722566bbbba9b184548fa4493123e800e9d Mon Sep 17 00:00:00 2001
From: Charlie Jenkins <charlie@rivosinc.com>
Date: Wed, 8 Jan 2025 18:36:17 -0800
Subject: [PATCH] perf tools arc: Support generic syscall headers
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Arc uses the generic syscall table, use that in perf instead of
requiring libaudit.

Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Guo Ren <guoren@kernel.org>
Cc: Günther Noack <gnoack@google.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Leo Yan <leo.yan@linux.dev>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mickaël Salaün <mic@digikod.net>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20250108-perf_syscalltbl-v6-2-7543b5293098@rivosinc.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/Makefile.config                           | 2 +-
 tools/perf/Makefile.perf                             | 3 ++-
 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, 10 insertions(+), 2 deletions(-)
 create mode 100644 tools/perf/arch/arc/entry/syscalls/Kbuild
 create mode 100644 tools/perf/arch/arc/entry/syscalls/Makefile.syscalls
 create mode 100644 tools/perf/arch/arc/include/syscall_table.h

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 6d66a7bad30d1..4e05dd2e9596e 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 ($(SRCARCH),riscv)
+  ifneq ($(filter $(SRCARCH), $(generic_syscall_table_archs)),)
     NO_SYSCALL_TABLE := 0
     CFLAGS += -DGENERIC_SYSCALL_TABLE
     CFLAGS += -I$(OUTPUT)arch/$(SRCARCH)/include/generated
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index bf0516e328aa4..44b9e33b9568f 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -311,7 +311,8 @@ FEATURE_TESTS := all
 endif
 endif
 # architectures that use the generic syscall table
-ifeq ($(SRCARCH),riscv)
+generic_syscall_table_archs := riscv arc
+ifneq ($(filter $(SRCARCH), $(generic_syscall_table_archs)),)
 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 0000000000000..11707c481a24e
--- /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 0000000000000..391d30ab7a831
--- /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 0000000000000..4c942821662d9
--- /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>
-- 
2.47.2