| Message ID | 20231127102523.28003-33-jgross@suse.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Mini-OS: hide mini-os internal symbols | expand |
Juergen Gross, le lun. 27 nov. 2023 11:25:23 +0100, a ecrit: > When doing the final linking of the Mini-OS kernel only keep the > symbols visible which have been marked via EXPORT_SYMBOL(). > > Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org> > --- > V3: > - new patch > --- > Makefile | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/Makefile b/Makefile > index 588496cb..456aed0b 100644 > --- a/Makefile > +++ b/Makefile > @@ -167,6 +167,7 @@ $(OBJ_DIR)/arch/x86/minios-x86%.lds: arch/x86/minios-x86.lds.S > $(OBJ_DIR)/$(TARGET)-kern.o: $(OBJS) arch_lib $(OBJ_DIR)/$(TARGET_ARCH_DIR)/minios-$(MINIOS_TARGET_ARCH).lds > $(LD) -r $(LDFLAGS) $(HEAD_OBJ) $(OBJS) $(LDARCHLIB) -o $@ > $(OBJCOPY) --dump-section .export_symbol=$(OBJ_DIR)/syms $@ > + $(OBJCOPY) -w -G $(GLOBAL_PREFIX)* --keep-global-symbols=$(OBJ_DIR)/syms --remove-section=.export_symbol $@ $@ > > $(OBJ_DIR)/$(TARGET): $(OBJ_DIR)/$(TARGET)-kern.o $(APP_O) > $(LD) -r $(LDFLAGS) $(OBJ_DIR)/$(TARGET)-kern.o $(APP_O) $(LDLIBS) -o $@.o > -- > 2.35.3 >
diff --git a/Makefile b/Makefile index 588496cb..456aed0b 100644 --- a/Makefile +++ b/Makefile @@ -167,6 +167,7 @@ $(OBJ_DIR)/arch/x86/minios-x86%.lds: arch/x86/minios-x86.lds.S $(OBJ_DIR)/$(TARGET)-kern.o: $(OBJS) arch_lib $(OBJ_DIR)/$(TARGET_ARCH_DIR)/minios-$(MINIOS_TARGET_ARCH).lds $(LD) -r $(LDFLAGS) $(HEAD_OBJ) $(OBJS) $(LDARCHLIB) -o $@ $(OBJCOPY) --dump-section .export_symbol=$(OBJ_DIR)/syms $@ + $(OBJCOPY) -w -G $(GLOBAL_PREFIX)* --keep-global-symbols=$(OBJ_DIR)/syms --remove-section=.export_symbol $@ $@ $(OBJ_DIR)/$(TARGET): $(OBJ_DIR)/$(TARGET)-kern.o $(APP_O) $(LD) -r $(LDFLAGS) $(OBJ_DIR)/$(TARGET)-kern.o $(APP_O) $(LDLIBS) -o $@.o
When doing the final linking of the Mini-OS kernel only keep the symbols visible which have been marked via EXPORT_SYMBOL(). Signed-off-by: Juergen Gross <jgross@suse.com> --- V3: - new patch --- Makefile | 1 + 1 file changed, 1 insertion(+)