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Wed, 18 Dec 2024 01:24:47 -0800 (PST) Received: from charlie.ba.rivosinc.com ([64.71.180.162]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-218a1e64f90sm72119995ad.241.2024.12.18.01.24.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Dec 2024 01:24:46 -0800 (PST) From: Charlie Jenkins Date: Wed, 18 Dec 2024 01:24:06 -0800 Subject: [PATCH v4 08/16] perf tools: x86: Use generic syscall scripts Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241218-perf_syscalltbl-v4-8-bc8caef2ca8e@rivosinc.com> References: <20241218-perf_syscalltbl-v4-0-bc8caef2ca8e@rivosinc.com> In-Reply-To: <20241218-perf_syscalltbl-v4-0-bc8caef2ca8e@rivosinc.com> To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Paul Walmsley , Palmer Dabbelt , =?utf-8?q?Micka=C3=ABl_Sala=C3=BCn?= , =?utf-8?q?G=C3=BCnt?= =?utf-8?q?her_Noack?= , Christian Brauner , Guo Ren , John Garry , Will Deacon , James Clark , Mike Leach , Leo Yan , Jonathan Corbet , =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= , Arnd Bergmann , Albert Ou Cc: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-riscv@lists.infradead.org, linux-security-module@vger.kernel.org, bpf@vger.kernel.org, linux-csky@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, Charlie Jenkins X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=7222; i=charlie@rivosinc.com; h=from:subject:message-id; bh=iQ/ut7mVjV4B2SKqji8uHlm+XnjbUkJfvO8D33/ins4=; b=owGbwMvMwCHWx5hUnlvL8Y3xtFoSQ3rSlKPZhtX6zouW7NxsLpi+VfzerZYLa+ZcDZ30IKDnx 54F/s1xHaUsDGIcDLJiiiw81xqYW+/olx0VLZsAM4eVCWQIAxenAEzkgwXD/1LviyLXj67Z5ilw 7Lvp1N1J8yYUn3Oey3bZm+frVedw/zuMDB3Os/cGnRP8+erKZ1f+qXMO/TNJ3vI6fkPm4t9ZEi9 +yfICAA== X-Developer-Key: i=charlie@rivosinc.com; a=openpgp; fpr=7D834FF11B1D8387E61C776FFB10D1F27D6B1354 Use the generic scripts to generate headers from the syscall table for both 32- and 64-bit x86. Signed-off-by: Charlie Jenkins --- tools/perf/Makefile.config | 3 +- tools/perf/Makefile.perf | 2 +- tools/perf/arch/x86/Build | 1 - tools/perf/arch/x86/Makefile | 25 ------------- tools/perf/arch/x86/entry/syscalls/Kbuild | 3 ++ .../perf/arch/x86/entry/syscalls/Makefile.syscalls | 6 ++++ tools/perf/arch/x86/entry/syscalls/syscalltbl.sh | 42 ---------------------- tools/perf/arch/x86/include/syscall_table.h | 8 +++++ tools/perf/util/syscalltbl.c | 10 +----- 9 files changed, 20 insertions(+), 80 deletions(-) diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index a09e2245a9ba00db79cf3a65e8772a6cb9b6c78e..7accb54e60aac2e615ddf03e8f4ffa8cff539aaa 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -31,7 +31,7 @@ $(call detected_var,SRCARCH) ifneq ($(NO_SYSCALL_TABLE),1) NO_SYSCALL_TABLE := 1 - ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 powerpc arm64 s390 mips loongarch riscv)) + ifeq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390 mips loongarch)) NO_SYSCALL_TABLE := 0 endif @@ -58,7 +58,6 @@ endif # Additional ARCH settings for x86 ifeq ($(SRCARCH),x86) $(call detected,CONFIG_X86) - CFLAGS += -I$(OUTPUT)arch/x86/include/generated ifeq (${IS_64_BIT}, 1) CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 47fe3c41fa13a388803ba804a7c3a4aac81d20ae..698967f50ceb5cfc29dc5c2947c995980120e64e 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -311,7 +311,7 @@ FEATURE_TESTS := all endif endif # architectures that use the generic syscall table -generic_syscall_table_archs := riscv arc csky arm sh sparc xtensa +generic_syscall_table_archs := riscv arc csky arm sh sparc xtensa x86 ifneq ($(filter $(SRCARCH), $(generic_syscall_table_archs)),) include $(srctree)/tools/perf/scripts/Makefile.syscalls endif diff --git a/tools/perf/arch/x86/Build b/tools/perf/arch/x86/Build index 87d0574913431b7c4505caf78f41d48b180a2fbc..02a1ca780a2071d322f75fb2885c3a36bc278e8d 100644 --- a/tools/perf/arch/x86/Build +++ b/tools/perf/arch/x86/Build @@ -2,7 +2,6 @@ perf-util-y += util/ perf-test-y += tests/ ifdef SHELLCHECK - SHELL_TESTS := entry/syscalls/syscalltbl.sh TEST_LOGS := $(SHELL_TESTS:%=%.shellcheck_log) else SHELL_TESTS := diff --git a/tools/perf/arch/x86/Makefile b/tools/perf/arch/x86/Makefile index a6b6e0a9308a8e401c65eb802e5815a41fbdefe9..a295a80ea078199547e816d18531820bfdba7961 100644 --- a/tools/perf/arch/x86/Makefile +++ b/tools/perf/arch/x86/Makefile @@ -1,28 +1,3 @@ # SPDX-License-Identifier: GPL-2.0 HAVE_KVM_STAT_SUPPORT := 1 PERF_HAVE_JITDUMP := 1 - -### -# Syscall table generation -# - -generated := $(OUTPUT)arch/x86/include/generated -out := $(generated)/asm -header := $(out)/syscalls_64.c -header_32 := $(out)/syscalls_32.c -sys := $(srctree)/tools/perf/arch/x86/entry/syscalls -systbl := $(sys)/syscalltbl.sh - -# Create output directory if not already present -$(shell [ -d '$(out)' ] || mkdir -p '$(out)') - -$(header): $(sys)/syscall_64.tbl $(systbl) - $(Q)$(SHELL) '$(systbl)' $(sys)/syscall_64.tbl 'x86_64' > $@ - -$(header_32): $(sys)/syscall_32.tbl $(systbl) - $(Q)$(SHELL) '$(systbl)' $(sys)/syscall_32.tbl 'x86' > $@ - -clean:: - $(call QUIET_CLEAN, x86) $(RM) -r $(header) $(generated) - -archheaders: $(header) $(header_32) diff --git a/tools/perf/arch/x86/entry/syscalls/Kbuild b/tools/perf/arch/x86/entry/syscalls/Kbuild new file mode 100644 index 0000000000000000000000000000000000000000..84c6599b4ea6a160217a3496449b205f2263f0fb --- /dev/null +++ b/tools/perf/arch/x86/entry/syscalls/Kbuild @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0 +syscall-y += syscalls_32.h +syscall-y += syscalls_64.h diff --git a/tools/perf/arch/x86/entry/syscalls/Makefile.syscalls b/tools/perf/arch/x86/entry/syscalls/Makefile.syscalls new file mode 100644 index 0000000000000000000000000000000000000000..db3d5d6d4e5699d338afc55f6415612ef924d985 --- /dev/null +++ b/tools/perf/arch/x86/entry/syscalls/Makefile.syscalls @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0 + +syscall_abis_32 += i386 +syscall_abis_64 += + +syscalltbl = $(srctree)/tools/perf/arch/x86/entry/syscalls/syscall_%.tbl diff --git a/tools/perf/arch/x86/entry/syscalls/syscalltbl.sh b/tools/perf/arch/x86/entry/syscalls/syscalltbl.sh deleted file mode 100755 index 2b71f99933a549607b0c18aa2b8be16b860f603c..0000000000000000000000000000000000000000 --- a/tools/perf/arch/x86/entry/syscalls/syscalltbl.sh +++ /dev/null @@ -1,42 +0,0 @@ -#!/bin/sh -# SPDX-License-Identifier: GPL-2.0 - -in="$1" -arch="$2" - -syscall_macro() { - nr="$1" - name="$2" - - echo " [$nr] = \"$name\"," -} - -emit() { - nr="$1" - entry="$2" - - syscall_macro "$nr" "$entry" -} - -echo "static const char *const syscalltbl_${arch}[] = {" - -sorted_table=$(mktemp /tmp/syscalltbl.XXXXXX) -grep '^[0-9]' "$in" | sort -n > $sorted_table - -max_nr=0 -# the params are: nr abi name entry compat -# use _ for intentionally unused variables according to SC2034 -while read nr _ name _ _; do - if [ $nr -ge 512 ] ; then # discard compat sycalls - break - fi - - emit "$nr" "$name" - max_nr=$nr -done < $sorted_table - -rm -f $sorted_table - -echo "};" - -echo "#define SYSCALLTBL_${arch}_MAX_ID ${max_nr}" diff --git a/tools/perf/arch/x86/include/syscall_table.h b/tools/perf/arch/x86/include/syscall_table.h new file mode 100644 index 0000000000000000000000000000000000000000..7ff51b783000d727ec48be960730b81ecdb05575 --- /dev/null +++ b/tools/perf/arch/x86/include/syscall_table.h @@ -0,0 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#include + +#if __BITS_PER_LONG == 64 +#include +#else +#include +#endif diff --git a/tools/perf/util/syscalltbl.c b/tools/perf/util/syscalltbl.c index ccf234a54366f9921c3b9a02ffb0a365d17244bc..02f23483bfff83809c4e649a2d054dba6975d12c 100644 --- a/tools/perf/util/syscalltbl.c +++ b/tools/perf/util/syscalltbl.c @@ -14,15 +14,7 @@ #include #include "string2.h" -#if defined(__x86_64__) -#include -const int syscalltbl_native_max_id = SYSCALLTBL_x86_64_MAX_ID; -static const char *const *syscalltbl_native = syscalltbl_x86_64; -#elif defined(__i386__) -#include -const int syscalltbl_native_max_id = SYSCALLTBL_x86_MAX_ID; -static const char *const *syscalltbl_native = syscalltbl_x86; -#elif defined(__s390x__) +#if defined(__s390x__) #include const int syscalltbl_native_max_id = SYSCALLTBL_S390_64_MAX_ID; static const char *const *syscalltbl_native = syscalltbl_s390_64;