Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/arch/x86/um/vdso/Makefile
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# SPDX-License-Identifier: GPL-2.0 # # Building vDSO images for x86. # # Prevents link failures: __sanitizer_cov_trace_pc() is not linked in. KCOV_INSTRUMENT := n VDSO64-y := y vdso-install-$(VDSO64-y) += vdso.so # files to link into the vdso vobjs-y := vdso-note.o um_vdso.o # files to link into kernel obj-$(VDSO64-y) += vdso.o vma.o vobjs := $(foreach F,$(vobjs-y),$(obj)/$F) $(obj)/vdso.o: $(obj)/vdso.so targets += vdso.so vdso.so.dbg vdso.lds $(vobjs-y) CPPFLAGS_vdso.lds += -P -C VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \ -Wl,-z,max-page-size=4096 $(obj)/vdso.o: $(src)/vdso.S $(obj)/vdso.so $(obj)/vdso.so.dbg: $(obj)/vdso.lds $(vobjs) FORCE $(call if_changed,vdso) $(obj)/%.so: OBJCOPYFLAGS := -S $(obj)/%.so: $(obj)/%.so.dbg FORCE $(call if_changed,objcopy) # # Don't omit frame pointers for ease of userspace debugging, but do # optimize sibling calls. # CFL := $(PROFILING) -mcmodel=small -fPIC -O2 -fasynchronous-unwind-tables -m64 \ $(filter -g%,$(KBUILD_CFLAGS)) $(call cc-option, -fno-stack-protector) \ -fno-omit-frame-pointer -foptimize-sibling-calls $(vobjs): KBUILD_CFLAGS += $(CFL) # # vDSO code runs in userspace and -pg doesn't help with profiling anyway. # CFLAGS_REMOVE_vdso-note.o = -pg -fprofile-arcs -ftest-coverage CFLAGS_REMOVE_um_vdso.o = -pg -fprofile-arcs -ftest-coverage # # The DSO images are built using a special linker script. # quiet_cmd_vdso = VDSO $@ cmd_vdso = $(CC) -nostdlib -o $@ \ $(VDSO_LDFLAGS) $(VDSO_LDFLAGS_$(filter %.lds,$(^F))) \ -Wl,-T,$(filter %.lds,$^) $(filter %.o,$^) && \ sh $(srctree)/$(src)/checkundef.sh '$(NM)' '$@' VDSO_LDFLAGS = -fPIC -shared -Wl,--hash-style=sysv -z noexecstack GCOV_PROFILE := n # # Install the unstripped copy of vdso*.so listed in $(vdso-install-y). # quiet_cmd_vdso_install = INSTALL $@ cmd_vdso_install = cp $(obj)/$@.dbg $(MODLIB)/vdso/$@ $(vdso-install-y): %.so: $(obj)/%.so.dbg FORCE @mkdir -p $(MODLIB)/vdso $(call cmd,vdso_install) PHONY += vdso_install $(vdso-install-y) vdso_install: $(vdso-install-y)
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