# SPDX-License-Identifier: GPL-2.0-only
ifeq ($(src-perf),)
src-perf := $(srctree)/tools/perf
endif
ifeq ($(obj-perf),)
obj-perf := $(OUTPUT)
endif
ifneq ($(obj-perf),)
obj-perf := $(abspath $(obj-perf))/
endif
$(shell printf "" > $(OUTPUT).config-detected)
detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected)
detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
include $(srctree)/tools/scripts/Makefile.arch
$(call detected_var,SRCARCH)
NO_PERF_REGS := 1
NO_SYSCALL_TABLE := 1
# Additional ARCH settings for ppc
ifeq ($(SRCARCH),powerpc)
NO_PERF_REGS := 0
NO_SYSCALL_TABLE := 0
CFLAGS += -I$(OUTPUT)arch/powerpc/include/generated
LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
endif
# Additional ARCH settings for x86
ifeq ($(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
$(call detected,CONFIG_X86_64)
else
LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
endif
NO_PERF_REGS := 0
endif
ifeq ($(SRCARCH),arm)
NO_PERF_REGS := 0
LIBUNWIND_LIBS = -lunwind -lunwind-arm
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
ifeq ($(SRCARCH),riscv)
NO_PERF_REGS := 0
endif
ifeq ($(SRCARCH),csky)
NO_PERF_REGS := 0
endif
ifeq ($(ARCH),s390)
NO_PERF_REGS := 0
NO_SYSCALL_TABLE := 0
CFLAGS += -fPIC -I$(OUTPUT)arch/s390/include/generated
endif
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
# to the check.
ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc s390 csky riscv))
NO_LIBDW_DWARF_UNWIND := 1
endif
ifeq ($(LIBUNWIND_LIBS),)
NO_LIBUNWIND := 1
endif
#
# For linking with debug library, run like:
#
# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
#
libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
define libunwind_arch_set_flags_code
FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
endef
ifdef LIBUNWIND_DIR
LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
$(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
endif
# Set per-feature check compilation flags
FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
FEATURE_CHECK_LDFLAGS-libunwind-arm = -lunwind -lunwind-arm
FEATURE_CHECK_LDFLAGS-libunwind-aarch64 = -lunwind -lunwind-aarch64
FEATURE_CHECK_LDFLAGS-libunwind-x86 = -lunwind -llzma -lunwind-x86
FEATURE_CHECK_LDFLAGS-libunwind-x86_64 = -lunwind -llzma -lunwind-x86_64
FEATURE_CHECK_LDFLAGS-libcrypto = -lcrypto
ifdef CSINCLUDES
LIBOPENCSD_CFLAGS := -I$(CSINCLUDES)
endif
OPENCSDLIBS := -lopencsd_c_api -lopencsd
ifdef CSLIBS
LIBOPENCSD_LDFLAGS := -L$(CSLIBS)
endif
FEATURE_CHECK_CFLAGS-libopencsd := $(LIBOPENCSD_CFLAGS)
FEATURE_CHECK_LDFLAGS-libopencsd := $(LIBOPENCSD_LDFLAGS) $(OPENCSDLIBS)
ifeq ($(NO_PERF_REGS),0)
CFLAGS += -DHAVE_PERF_REGS_SUPPORT
endif
# for linking with debug library, run like:
# make DEBUG=1 LIBDW_DIR=/opt/libdw/
ifdef LIBDW_DIR
LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
endif
DWARFLIBS := -ldw
ifeq ($(findstring -static,${LDFLAGS}),-static)
DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2
endif
FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS)
# for linking with debug library, run like:
# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
ifdef LIBBABELTRACE_DIR
LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
endif
FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
ifdef LIBZSTD_DIR
LIBZSTD_CFLAGS := -I$(LIBZSTD_DIR)/lib
LIBZSTD_LDFLAGS := -L$(LIBZSTD_DIR)/lib
endif
FEATURE_CHECK_CFLAGS-libzstd :=