linux-kernel - [PATCH v4 02/16] perf tools: arc: Support generic syscall headers

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Message-Id: <20241218-perf_syscalltbl-v4-2-bc8caef2ca8e@rivosinc.com>
Date: Wed, 18 Dec 2024 01:24:00 -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>, 
 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>, 
 Björn Töpel <bjorn@...osinc.com>, 
 Arnd Bergmann <arnd@...db.de>, Albert Ou <aou@...s.berkeley.edu>
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 v4 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                             | 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(-)

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 9ff49aeb4fa5d6015dea068f23ea3a135155eb6e..a09e2245a9ba00db79cf3a65e8772a6cb9b6c78e 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)tools/perf/arch/$(SRCARCH)/include/generated
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index f5278ed9f778f928436693a14e016c5c3c5171c1..f717e4628d9e4632f53fed16524a659a3e4feea5 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -311,7 +311,8 @@ FEATURE_TESTS := all
 endif
 endif
 # architectures that use the generic syscall table
-ifeq ($(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 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