arch/x86_64:Add allsymbol functionality

Signed-off-by: liwenxiang1 <[email protected]>
xianglyc · Oct 9, 2024 · 888a3fb · 888a3fb
1 parent 90836e5
commit 888a3fb
Showing 1 changed file with 33 additions and 3 deletions.
diff --git a/arch/x86_64/src/Makefile b/arch/x86_64/src/Makefile
@@ -123,17 +123,47 @@ $(KBIN): $(OBJS)
 board/libboard$(LIBEXT):
 	$(Q) $(MAKE) -C board libboard$(LIBEXT) EXTRAFLAGS="$(EXTRAFLAGS)"
 
-nuttx$(EXEEXT): board/libboard$(LIBEXT) $(ARCHSCRIPT)
-	@echo "LD: nuttx$(EXEEXT)"
+ifeq ($(CONFIG_ALLSYMS),y)
+EXTRA_LIBS += allsyms$(OBJEXT)
+endif
+
+define LINK_ALLSYMS_KASAN
+	$(if $(CONFIG_ALLSYMS),
+	$(Q) $(TOPDIR)/tools/mkallsyms.py $(NUTTX) allsyms.tmp --orderbyname $(CONFIG_SYMTAB_ORDEREDBYNAME)
+	$(Q) $(call COMPILE, allsyms.tmp, allsyms$(OBJEXT), -x c)
+	$(Q) $(call DELFILE, allsyms.tmp))
+	$(if $(CONFIG_MM_KASAN_GLOBAL),
+	$(Q) $(TOPDIR)/tools/kasan_global.py -e $(NUTTX) -o kasan_globals.tmp -a $(CONFIG_MM_KASAN_GLOBAL_ALIGN)
+	$(Q) $(call COMPILE, kasan_globals.tmp, kasan_globals$(OBJEXT) -fno-sanitize=kernel-address, -x c)
+	$(Q) $(call DELFILE, kasan_globals.tmp))
 	$(Q) $(LD) $(LDFLAGS) $(LIBPATHS) $(EXTRA_LIBPATHS) \
-		-o $(NUTTX) $(EXTRA_OBJS) \
+		-o $(NUTTX) $(HEAD_OBJ) $(EXTRA_OBJS) \
 		$(LDSTARTGROUP) $(EXTRA_LIBS) --no-relax $(LDLIBS) $(LDENDGROUP)
+endef
+
+$(addsuffix .tmp,$(ARCHSCRIPT)): $(ARCHSCRIPT)
+	$(call PREPROCESS, $(patsubst %.tmp,%,$@), $@)
+
+nuttx$(EXEEXT): $(HEAD_OBJ) board/libboard$(LIBEXT) $(addsuffix .tmp,$(ARCHSCRIPT))
+	@echo "LD: nuttx$(EXEEXT)"
+
 ifneq ($(CONFIG_WINDOWS_NATIVE),y)
 	$(Q) $(NM) $(NUTTX) | \
 	grep -v '\(compiled\)\|\(\$(OBJEXT)$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
 	sort > $(TOPDIR)/System.map
 endif
 
+ifeq ($(CONFIG_ALLSYMS)$(CONFIG_MM_KASAN_GLOBAL),)
+	$(Q) $(LD) $(LDFLAGS) $(LIBPATHS) $(EXTRA_LIBPATHS) \
+		-o $(NUTTX) $(HEAD_OBJ) $(EXTRA_OBJS) \
+		$(LDSTARTGROUP) $(EXTRA_LIBS) --no-relax $(LDLIBS) $(LDENDGROUP)
+else
+	$(Q) $(call LINK_ALLSYMS_KASAN)
+	$(Q) $(call LINK_ALLSYMS_KASAN)
+	$(Q) $(call LINK_ALLSYMS_KASAN)
+	$(Q) $(call LINK_ALLSYMS_KASAN)
+endif
+
 ifeq ($(CONFIG_ARCH_MULTIBOOT1),y)
 	@echo "Generating: nuttx32 in ELF32/multiboot1"
 	$(Q) $(OBJCOPY) -R.realmode -R.note.* -O binary $(NUTTX) $(NUTTX).bin \