From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 1/2] perf build: Group the NO_SYSCALL_TABLE logic Date: Fri, 29 May 2020 12:55:51 -0300 Message-ID: <20200529155552.463-2-acme@kernel.org> References: <20200529155552.463-1-acme@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20200529155552.463-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Jiri Olsa , Namhyung Kim Cc: Ingo Molnar , Thomas Gleixner , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Adrian Hunter List-Id: linux-perf-users.vger.kernel.org From: Arnaldo Carvalho de Melo To help in allowing to disable it from the make command line. Cc: Adrian Hunter Cc: Jiri Olsa Cc: Namhyung Kim Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Makefile.config | 23 +++++++++++++++-------- 1 file changed, 15 insertions(+), 8 deletions(-) diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index ae325f79e598..93fb7510a9a9 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -23,12 +23,26 @@ include $(srctree)/tools/scripts/Makefile.arch $(call detected_var,SRCARCH) NO_PERF_REGS := 1 + NO_SYSCALL_TABLE := 1 +ifeq ($(SRCARCH),x86) + ifeq (${IS_64_BIT}, 1) + NO_SYSCALL_TABLE := 0 + endif +else + ifneq ($(SRCARCH),$(filter $(SRCARCH),powerpc arm64 s390)) + NO_SYSCALL_TABLE := 0 + endif +endif + +ifneq ($(NO_SYSCALL_TABLE),1) + CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT +endif + # Additional ARCH settings for ppc ifeq ($(SRCARCH),powerpc) NO_PERF_REGS := 0 - NO_SYSCALL_TABLE := 0 CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated LIBUNWIND_LIBS := -lunwind -lunwind-ppc64 endif @@ -37,7 +51,6 @@ endif ifeq ($(SRCARCH),x86) $(call detected,CONFIG_X86) ifeq (${IS_64_BIT}, 1) - NO_SYSCALL_TABLE := 0 CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -I$(OUTPUT)arch/x86/include/generated ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma @@ -55,7 +68,6 @@ endif ifeq ($(SRCARCH),arm64) NO_PERF_REGS := 0 - NO_SYSCALL_TABLE := 0 CFLAGS += -I$(OUTPUT)arch/arm64/include/generated LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 endif @@ -70,7 +82,6 @@ endif ifeq ($(ARCH),s390) NO_PERF_REGS := 0 - NO_SYSCALL_TABLE := 0 CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated endif @@ -78,10 +89,6 @@ ifeq ($(NO_PERF_REGS),0) $(call detected,CONFIG_PERF_REGS) endif -ifneq ($(NO_SYSCALL_TABLE),1) - CFLAGS += -DHAVE_SYSCALL_TABLE_SUPPORT -endif - # So far there's only x86 and arm libdw unwind support merged in perf. # Disable it on all other architectures in case libdw unwind # support is detected in system. Add supported architectures -- 2.25.3