diff --git a/arch/arm/src/Makefile b/arch/arm/src/Makefile
index 4b2f4c0421..25694d8051 100644
--- a/arch/arm/src/Makefile
+++ b/arch/arm/src/Makefile
@@ -157,7 +157,7 @@ board$(DELIM)libboard$(LIBEXT):
 	$(Q) $(MAKE) -C board libboard$(LIBEXT) EXTRAFLAGS="$(EXTRAFLAGS)"
 
 define LINK_ALLSYMS
-	$(Q) $(TOPDIR)/tools/mkallsyms.sh $(NUTTX) $(CROSSDEV) > allsyms.tmp
+	$(Q) $(TOPDIR)/tools/mkallsyms.py $(NUTTX) allsyms.tmp
 	$(Q) $(call COMPILE, -x c allsyms.tmp, allsyms$(OBJEXT))
 	$(Q) $(LD) --entry=__start $(LDFLAGS) $(LIBPATHS) $(EXTRA_LIBPATHS) \
 		-o $(NUTTX) $(HEAD_OBJ) allsyms$(OBJEXT) $(EXTRA_OBJS) \
diff --git a/arch/risc-v/src/Makefile b/arch/risc-v/src/Makefile
index 711255104b..457052203b 100644
--- a/arch/risc-v/src/Makefile
+++ b/arch/risc-v/src/Makefile
@@ -137,7 +137,7 @@ board/libboard$(LIBEXT):
 	$(Q) $(MAKE) -C board libboard$(LIBEXT) EXTRAFLAGS="$(EXTRAFLAGS)"
 
 define LINK_ALLSYMS
-	$(Q) $(TOPDIR)/tools/mkallsyms.sh $(NUTTX) $(CROSSDEV) > allsyms.tmp
+	$(Q) $(TOPDIR)/tools/mkallsyms.py $(NUTTX) allsyms.tmp
 	$(Q) $(call COMPILE, -x c allsyms.tmp, allsyms$(OBJEXT))
 	$(Q) $(LD) --entry=__start $(LDFLAGS) $(LIBPATHS) $(EXTRA_LIBPATHS) \
 		-o $(NUTTX) $(HEAD_OBJ) allsyms$(OBJEXT) $(EXTRA_OBJS) \
diff --git a/arch/sim/src/Makefile b/arch/sim/src/Makefile
index aa59c12e1b..43eb20b061 100644
--- a/arch/sim/src/Makefile
+++ b/arch/sim/src/Makefile
@@ -300,7 +300,9 @@ nuttx-names.dat: nuttx-names.in
 	$(call PREPROCESS, nuttx-names.in, nuttx-names.dat)
 
 define LINK_ALLSYMS
-	$(Q) $(TOPDIR)/tools/mkallsyms.sh noconst $(NUTTX) $(CROSSDEV) > allsyms.tmp
+	$(if $(CONFIG_HOST_MACOS), \
+	$(Q) $(TOPDIR)/tools/mkallsyms.sh noconst $(NUTTX) $(CROSSDEV) > allsyms.tmp, \
+	$(Q) $(TOPDIR)/tools/mkallsyms.py $(NUTTX) allsyms.tmp)
 	$(Q) $(call COMPILE, -x c allsyms.tmp, allsyms$(OBJEXT))
 	$(if $(CONFIG_HAVE_CXX),\
 	$(Q) "$(CXX)" $(CFLAGS) $(LDFLAGS) -o $(NUTTX) \
diff --git a/arch/xtensa/src/Makefile b/arch/xtensa/src/Makefile
index fdaf628b46..b622c04662 100644
--- a/arch/xtensa/src/Makefile
+++ b/arch/xtensa/src/Makefile
@@ -134,7 +134,7 @@ board/libboard$(LIBEXT):
 	$(Q) $(MAKE) -C board libboard$(LIBEXT) EXTRAFLAGS="$(EXTRAFLAGS)"
 
 define LINK_ALLSYMS
-	$(Q) $(TOPDIR)/tools/mkallsyms.sh $(NUTTX) $(CROSSDEV) > allsyms.tmp
+	$(Q) $(TOPDIR)/tools/mkallsyms.py $(NUTTX) allsyms.tmp
 	$(Q) $(call COMPILE, -x c allsyms.tmp, allsyms$(OBJEXT))
 	$(Q) $(LD) --entry=__start $(LDFLAGS) $(LIBPATHS) $(EXTRA_LIBPATHS) \
 		-o $(NUTTX) $(STARTUP_OBJS) allsyms$(OBJEXT) $(EXTRA_OBJS) \