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authorGravatar Nicholas Piggin <npiggin@gmail.com> 2016-08-24 22:29:21 +1000
committerGravatar Michal Marek <mmarek@suse.com> 2016-09-09 10:47:00 +0200
commitfbe6e37dab974dd0fc3660c001895f7bfd771c9a (patch)
treeb50892eb57f9e567e6f9293d1c1c6a7b94f3255f /Makefile
parentkbuild: allow archs to select link dead code/data elimination (diff)
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kbuild: add arch specific post-link Makefile
Allow architectures to create arch/xxx/Makefile.postlink with targets for vmlinux, modules.ko, and clean, which will be invoked after final linking of vmlinux and modules. powerpc will use this to check vmlinux linker relocations for sanity, and may use it to fix up alternate instruction patch branch addresses. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michal Marek <mmarek@suse.com>
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile10
1 files changed, 7 insertions, 3 deletions
diff --git a/Makefile b/Makefile
index 6d40f3a3a8cc..83dae63df91a 100644
--- a/Makefile
+++ b/Makefile
@@ -957,9 +957,12 @@ endif
include/generated/autoksyms.h: FORCE
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/adjust_autoksyms.sh true
-# Final link of vmlinux
- cmd_link-vmlinux = $(CONFIG_SHELL) $< $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux)
-quiet_cmd_link-vmlinux = LINK $@
+ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink)
+
+# Final link of vmlinux with optional arch pass after final link
+ cmd_link-vmlinux = \
+ $(CONFIG_SHELL) $< $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) ; \
+ $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
vmlinux: scripts/link-vmlinux.sh vmlinux_prereq $(vmlinux-deps) FORCE
+$(call if_changed,link-vmlinux)
@@ -1286,6 +1289,7 @@ $(clean-dirs):
vmlinuxclean:
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/link-vmlinux.sh clean
+ $(Q)$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) clean)
clean: archclean vmlinuxclean