From: Roland McGrath 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 --- 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/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 ff3bddea482d..d8a439dd6351 100644 --- a/arch/arm64/kernel/vdso/Makefile +++ b/arch/arm64/kernel/vdso/Makefile @@ -48,7 +48,8 @@ $(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/vdso/Makefile b/arch/x86/vdso/Makefile index 275a3a8b78af..a4430446630c 100644 --- a/arch/x86/vdso/Makefile +++ b/arch/x86/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 }