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From: Roland McGrath <roland@redhat.com>
Date: Mon, 6 Oct 2008 23:03:03 -0700
Subject: [PATCH] kbuild: AFTER_LINK
If the make variable AFTER_LINK is set, it is a command line to run
after each final link. This includes vmlinux itself and vDSO images.
Bugzilla: N/A
Upstream-status: ??
Signed-off-by: Roland McGrath <roland@redhat.com>
---
arch/arm64/kernel/vdso/Makefile | 3 ++-
arch/powerpc/kernel/vdso32/Makefile | 3 ++-
arch/powerpc/kernel/vdso64/Makefile | 3 ++-
arch/s390/kernel/vdso32/Makefile | 3 ++-
arch/s390/kernel/vdso64/Makefile | 3 ++-
arch/x86/entry/vdso/Makefile | 5 +++--
scripts/link-vmlinux.sh | 4 ++++
7 files changed, 17 insertions(+), 7 deletions(-)
diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile
index f6fe17d88da5..eb6ddbf37f30 100644
--- a/arch/arm64/kernel/vdso/Makefile
+++ b/arch/arm64/kernel/vdso/Makefile
@@ -52,7 +52,8 @@ $(obj-vdso): %.o: %.S FORCE
# Actual build commands
quiet_cmd_vdsold = VDSOL $@
- cmd_vdsold = $(CC) $(c_flags) -Wl,-n -Wl,-T $^ -o $@
+ cmd_vdsold = $(CC) $(c_flags) -Wl,-n -Wl,-T $^ -o $@ \
+ $(if $(AFTER_LINK),;$(AFTER_LINK))
quiet_cmd_vdsoas = VDSOA $@
cmd_vdsoas = $(CC) $(a_flags) -c -o $@ $<
diff --git a/arch/powerpc/kernel/vdso32/Makefile b/arch/powerpc/kernel/vdso32/Makefile
index 53e6c9b979ec..e427844e9bb0 100644
--- a/arch/powerpc/kernel/vdso32/Makefile
+++ b/arch/powerpc/kernel/vdso32/Makefile
@@ -43,7 +43,8 @@ $(obj-vdso32): %.o: %.S
# actual build commands
quiet_cmd_vdso32ld = VDSO32L $@
- cmd_vdso32ld = $(CROSS32CC) $(c_flags) -Wl,-T $^ -o $@
+ cmd_vdso32ld = $(CROSS32CC) $(c_flags) -Wl,-T $^ -o $@ \
+ $(if $(AFTER_LINK),; $(AFTER_LINK))
quiet_cmd_vdso32as = VDSO32A $@
cmd_vdso32as = $(CROSS32CC) $(a_flags) -c -o $@ $<
diff --git a/arch/powerpc/kernel/vdso64/Makefile b/arch/powerpc/kernel/vdso64/Makefile
index effca9404b17..713891a92d23 100644
--- a/arch/powerpc/kernel/vdso64/Makefile
+++ b/arch/powerpc/kernel/vdso64/Makefile
@@ -36,7 +36,8 @@ $(obj-vdso64): %.o: %.S
# actual build commands
quiet_cmd_vdso64ld = VDSO64L $@
- cmd_vdso64ld = $(CC) $(c_flags) -Wl,-T $^ -o $@
+ cmd_vdso64ld = $(CC) $(c_flags) -Wl,-T $^ -o $@ \
+ $(if $(AFTER_LINK),; $(AFTER_LINK))
quiet_cmd_vdso64as = VDSO64A $@
cmd_vdso64as = $(CC) $(a_flags) -c -o $@ $<
diff --git a/arch/s390/kernel/vdso32/Makefile b/arch/s390/kernel/vdso32/Makefile
index 8ad2b34ad151..e153572ab351 100644
--- a/arch/s390/kernel/vdso32/Makefile
+++ b/arch/s390/kernel/vdso32/Makefile
@@ -43,7 +43,8 @@ $(obj-vdso32): %.o: %.S
# actual build commands
quiet_cmd_vdso32ld = VDSO32L $@
- cmd_vdso32ld = $(CC) $(c_flags) -Wl,-T $^ -o $@
+ cmd_vdso32ld = $(CC) $(c_flags) -Wl,-T $^ -o $@ \
+ $(if $(AFTER_LINK),; $(AFTER_LINK))
quiet_cmd_vdso32as = VDSO32A $@
cmd_vdso32as = $(CC) $(a_flags) -c -o $@ $<
diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile
index 2a8ddfd12a5b..452ca53561fe 100644
--- a/arch/s390/kernel/vdso64/Makefile
+++ b/arch/s390/kernel/vdso64/Makefile
@@ -43,7 +43,8 @@ $(obj-vdso64): %.o: %.S
# actual build commands
quiet_cmd_vdso64ld = VDSO64L $@
- cmd_vdso64ld = $(CC) $(c_flags) -Wl,-T $^ -o $@
+ cmd_vdso64ld = $(CC) $(c_flags) -Wl,-T $^ -o $@ \
+ $(if $(AFTER_LINK),; $(AFTER_LINK))
quiet_cmd_vdso64as = VDSO64A $@
cmd_vdso64as = $(CC) $(a_flags) -c -o $@ $<
diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile
index e97032069f88..9ea82f444dea 100644
--- a/arch/x86/entry/vdso/Makefile
+++ b/arch/x86/entry/vdso/Makefile
@@ -172,8 +172,9 @@ $(vdso32-images:%=$(obj)/%.dbg): $(obj)/vdso32-%.so.dbg: FORCE \
quiet_cmd_vdso = VDSO $@
cmd_vdso = $(CC) -nostdlib -o $@ \
$(VDSO_LDFLAGS) $(VDSO_LDFLAGS_$(filter %.lds,$(^F))) \
- -Wl,-T,$(filter %.lds,$^) $(filter %.o,$^) && \
- sh $(srctree)/$(src)/checkundef.sh '$(NM)' '$@'
+ -Wl,-T,$(filter %.lds,$^) $(filter %.o,$^) \
+ $(if $(AFTER_LINK),; $(AFTER_LINK)) && \
+ sh $(srctree)/$(src)/checkundef.sh '$(NM)' '$@'
VDSO_LDFLAGS = -fPIC -shared $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) \
$(call cc-ldoption, -Wl$(comma)--build-id) -Wl,-Bsymbolic $(LTO_CFLAGS)
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index 86a4fe75f453..161637ed5611 100755
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -65,6 +65,10 @@ vmlinux_link()
-lutil ${1}
rm -f linux
fi
+ if [ -n "${AFTER_LINK}" ]; then
+ /usr/lib/rpm/debugedit -b ${RPM_BUILD_DIR} -d /usr/src/debug -i ${2} \
+ > ${2}.id
+ fi
}
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