1ifeq (,$(shlibuuid))
2$(error SHLIBUUID not set)
3endif
4link-out-dir = $(out-dir)
5
6SIGN ?= $(TA_DEV_KIT_DIR)/scripts/sign_encrypt.py
7TA_SIGN_KEY ?= $(TA_DEV_KIT_DIR)/keys/default_ta.pem
8
9all: $(link-out-dir)/$(shlibname).so $(link-out-dir)/$(shlibname).dmp \
10	$(link-out-dir)/$(shlibname).stripped.so \
11	$(link-out-dir)/$(shlibuuid).elf \
12	$(link-out-dir)/$(shlibuuid).ta
13
14cleanfiles += $(link-out-dir)/$(shlibname).so
15cleanfiles += $(link-out-dir)/$(shlibname).dmp
16cleanfiles += $(link-out-dir)/$(shlibname).stripped.so
17cleanfiles += $(link-out-dir)/$(shlibuuid).elf
18cleanfiles += $(link-out-dir)/$(shlibuuid).ta
19
20shlink-ldflags  = $(LDFLAGS)
21shlink-ldflags += -shared -z max-page-size=4096
22shlink-ldflags += $(call ld-option,-z separate-loadable-segments)
23ifeq ($(sm)-$(CFG_TA_BTI),ta_arm64-y)
24shlink-ldflags += $(call ld-option,-z force-bti) --fatal-warnings
25endif
26shlink-ldflags += --as-needed # Do not add dependency on unused shlib
27
28shlink-ldadd  = $(LDADD)
29shlink-ldadd += $(addprefix -L,$(libdirs))
30shlink-ldadd += --start-group $(addprefix -l,$(libnames)) --end-group
31ldargs-$(shlibname).so := $(shlink-ldflags) $(objs) $(shlink-ldadd) $(libgcc$(sm))
32
33
34$(link-out-dir)/$(shlibname).so: $(objs) $(libdeps)
35	@$(cmd-echo-silent) '  LD      $@'
36	$(q)$(LD$(sm)) $(ldargs-$(shlibname).so) --soname=$(shlibuuid) -o $@
37
38$(link-out-dir)/$(shlibname).dmp: $(link-out-dir)/$(shlibname).so
39	@$(cmd-echo-silent) '  OBJDUMP $@'
40	$(q)$(OBJDUMP$(sm)) -l -x -d $< > $@
41
42$(link-out-dir)/$(shlibname).stripped.so: $(link-out-dir)/$(shlibname).so
43	@$(cmd-echo-silent) '  OBJCOPY $@'
44	$(q)$(OBJCOPY$(sm)) --strip-unneeded $< $@
45
46$(link-out-dir)/$(shlibuuid).elf: $(link-out-dir)/$(shlibname).so
47	@$(cmd-echo-silent) '  LN      $@'
48	$(q)ln -sf $(<F) $@
49
50$(link-out-dir)/$(shlibuuid).ta: $(link-out-dir)/$(shlibname).stripped.so \
51				$(TA_SIGN_KEY)
52	@$(cmd-echo-silent) '  SIGN    $@'
53	$(q)$(PYTHON3) $(SIGN) --key $(TA_SIGN_KEY) --uuid $(shlibuuid) \
54		--in $< --out $@
55