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authorNicholas Piggin <npiggin@gmail.com>2016-08-24 22:29:21 +1000
committerMichal Marek <mmarek@suse.com>2016-09-09 10:47:00 +0200
commitfbe6e37dab974dd0fc3660c001895f7bfd771c9a (patch)
treeb50892eb57f9e567e6f9293d1c1c6a7b94f3255f /scripts
parentb67067f1176df6ee727450546b58704e4b588563 (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 'scripts')
-rw-r--r--scripts/Makefile.modpost14
1 files changed, 9 insertions, 5 deletions
diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index 1366a94b6c39..16923ba4b5b1 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -115,14 +115,18 @@ $(modules:.ko=.mod.o): %.mod.o: %.mod.c FORCE
targets += $(modules:.ko=.mod.o)
-# Step 6), final link of the modules
+ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink)
+
+# Step 6), final link of the modules with optional arch pass after final link
quiet_cmd_ld_ko_o = LD [M] $@
- cmd_ld_ko_o = $(LD) -r $(LDFLAGS) \
- $(KBUILD_LDFLAGS_MODULE) $(LDFLAGS_MODULE) \
- -o $@ $(filter-out FORCE,$^)
+ cmd_ld_ko_o = \
+ $(LD) -r $(LDFLAGS) \
+ $(KBUILD_LDFLAGS_MODULE) $(LDFLAGS_MODULE) \
+ -o $@ $(filter-out FORCE,$^) ; \
+ $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
$(modules): %.ko :%.o %.mod.o FORCE
- $(call if_changed,ld_ko_o)
+ +$(call if_changed,ld_ko_o)
targets += $(modules)