linux-kernel - [PATCH RFT 02/16] perf tools: arc: Support generic syscall headers

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Message-Id: <20241104-perf_syscalltbl-v1-2-9adae5c761ef@rivosinc.com>
Date: Mon, 04 Nov 2024 13:06:04 -0800
From: Charlie Jenkins <charlie@...osinc.com>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
 Arnaldo Carvalho de Melo <acme@...nel.org>, 
 Namhyung Kim <namhyung@...nel.org>, Mark Rutland <mark.rutland@....com>, 
 Alexander Shishkin <alexander.shishkin@...ux.intel.com>, 
 Jiri Olsa <jolsa@...nel.org>, Ian Rogers <irogers@...gle.com>, 
 Adrian Hunter <adrian.hunter@...el.com>, 
 Paul Walmsley <paul.walmsley@...ive.com>, 
 Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, 
 Mickaël Salaün <mic@...ikod.net>, 
 Günther Noack <gnoack@...gle.com>, 
 Christian Brauner <brauner@...nel.org>, Guo Ren <guoren@...nel.org>, 
 John Garry <john.g.garry@...cle.com>, Will Deacon <will@...nel.org>, 
 James Clark <james.clark@...aro.org>, Mike Leach <mike.leach@...aro.org>, 
 Leo Yan <leo.yan@...ux.dev>, Jonathan Corbet <corbet@....net>, 
 Arnd Bergmann <arnd@...db.de>
Cc: linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org, 
 linux-riscv@...ts.infradead.org, linux-security-module@...r.kernel.org, 
 bpf@...r.kernel.org, linux-csky@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-doc@...r.kernel.org, 
 Charlie Jenkins <charlie@...osinc.com>
Subject: [PATCH RFT 02/16] perf tools: arc: Support generic syscall headers

Arc uses the generic syscall table, use that in perf instead of
requiring libaudit.

Signed-off-by: Charlie Jenkins <charlie@...osinc.com>
---
 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 6774b67d4668..504d762cc572 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 $(SRCARCH),riscv arc))
     NO_SYSCALL_TABLE := 0
     CFLAGS += -DGENERIC_SYSCALL_TABLE
     CFLAGS += -I$(OUTPUT)arch/$(SRCARCH)/include/generated
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 18294b840121..02ff3f2fcf12 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -311,7 +311,7 @@ FEATURE_TESTS := all
 endif
 endif
 # architectures that use the generic syscall table
-ifeq ($(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 000000000000..11707c481a24
--- /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 000000000000..391d30ab7a83
--- /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 000000000000..4c942821662d
--- /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