127 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			127 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
| From 7877d76b409181af38d307b98d8fed1024f3c9c2 Mon Sep 17 00:00:00 2001
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| From: Roland McGrath <roland@redhat.com>
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| Date: Mon, 6 Oct 2008 23:03:03 -0700
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| Subject: [PATCH] kbuild: AFTER_LINK
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| 
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| If the make variable AFTER_LINK is set, it is a command line to run
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| after each final link.  This includes vmlinux itself and vDSO images.
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| 
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| Bugzilla: N/A
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| Upstream-status: ??
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| 
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| Signed-off-by: Roland McGrath <roland@redhat.com>
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| ---
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|  arch/arm64/kernel/vdso/Makefile     | 3 ++-
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|  arch/powerpc/kernel/vdso32/Makefile | 3 ++-
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|  arch/powerpc/kernel/vdso64/Makefile | 3 ++-
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|  arch/s390/kernel/vdso32/Makefile    | 3 ++-
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|  arch/s390/kernel/vdso64/Makefile    | 3 ++-
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|  arch/x86/entry/vdso/Makefile        | 5 +++--
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|  scripts/link-vmlinux.sh             | 4 ++++
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|  7 files changed, 17 insertions(+), 7 deletions(-)
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| 
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| diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile
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| index f6fe17d88da5..eb6ddbf37f30 100644
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| --- a/arch/arm64/kernel/vdso/Makefile
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| +++ b/arch/arm64/kernel/vdso/Makefile
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| @@ -52,7 +52,8 @@ $(obj-vdso): %.o: %.S FORCE
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|  
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|  # Actual build commands
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|  quiet_cmd_vdsold = VDSOL   $@
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| -      cmd_vdsold = $(CC) $(c_flags) -Wl,-n -Wl,-T $^ -o $@
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| +      cmd_vdsold = $(CC) $(c_flags) -Wl,-n -Wl,-T $^ -o $@ \
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| +				    $(if $(AFTER_LINK),;$(AFTER_LINK))
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|  quiet_cmd_vdsoas = VDSOA   $@
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|        cmd_vdsoas = $(CC) $(a_flags) -c -o $@ $<
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|  
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| diff --git a/arch/powerpc/kernel/vdso32/Makefile b/arch/powerpc/kernel/vdso32/Makefile
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| index 53e6c9b979ec..e427844e9bb0 100644
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| --- a/arch/powerpc/kernel/vdso32/Makefile
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| +++ b/arch/powerpc/kernel/vdso32/Makefile
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| @@ -43,7 +43,8 @@ $(obj-vdso32): %.o: %.S
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|  
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|  # actual build commands
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|  quiet_cmd_vdso32ld = VDSO32L $@
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| -      cmd_vdso32ld = $(CROSS32CC) $(c_flags) -Wl,-T $^ -o $@
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| +      cmd_vdso32ld = $(CROSS32CC) $(c_flags) -Wl,-T $^ -o $@ \
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| +		     $(if $(AFTER_LINK),; $(AFTER_LINK))
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|  quiet_cmd_vdso32as = VDSO32A $@
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|        cmd_vdso32as = $(CROSS32CC) $(a_flags) -c -o $@ $<
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|  
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| diff --git a/arch/powerpc/kernel/vdso64/Makefile b/arch/powerpc/kernel/vdso64/Makefile
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| index effca9404b17..713891a92d23 100644
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| --- a/arch/powerpc/kernel/vdso64/Makefile
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| +++ b/arch/powerpc/kernel/vdso64/Makefile
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| @@ -36,7 +36,8 @@ $(obj-vdso64): %.o: %.S
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|  
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|  # actual build commands
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|  quiet_cmd_vdso64ld = VDSO64L $@
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| -      cmd_vdso64ld = $(CC) $(c_flags) -Wl,-T $^ -o $@
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| +      cmd_vdso64ld = $(CC) $(c_flags) -Wl,-T $^ -o $@ \
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| +		     $(if $(AFTER_LINK),; $(AFTER_LINK))
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|  quiet_cmd_vdso64as = VDSO64A $@
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|        cmd_vdso64as = $(CC) $(a_flags) -c -o $@ $<
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|  
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| diff --git a/arch/s390/kernel/vdso32/Makefile b/arch/s390/kernel/vdso32/Makefile
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| index ee8a18e50a25..63e33fa049f8 100644
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| --- a/arch/s390/kernel/vdso32/Makefile
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| +++ b/arch/s390/kernel/vdso32/Makefile
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| @@ -43,7 +43,8 @@ $(obj-vdso32): %.o: %.S
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|  
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|  # actual build commands
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|  quiet_cmd_vdso32ld = VDSO32L $@
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| -      cmd_vdso32ld = $(CC) $(c_flags) -Wl,-T $^ -o $@
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| +      cmd_vdso32ld = $(CC) $(c_flags) -Wl,-T $^ -o $@ \
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| +		     $(if $(AFTER_LINK),; $(AFTER_LINK))
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|  quiet_cmd_vdso32as = VDSO32A $@
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|        cmd_vdso32as = $(CC) $(a_flags) -c -o $@ $<
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|  
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| diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile
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| index c4b03f9ed228..550450fc2f95 100644
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| --- a/arch/s390/kernel/vdso64/Makefile
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| +++ b/arch/s390/kernel/vdso64/Makefile
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| @@ -43,7 +43,8 @@ $(obj-vdso64): %.o: %.S
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|  
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|  # actual build commands
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|  quiet_cmd_vdso64ld = VDSO64L $@
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| -      cmd_vdso64ld = $(CC) $(c_flags) -Wl,-T $^ -o $@
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| +      cmd_vdso64ld = $(CC) $(c_flags) -Wl,-T $^ -o $@ \
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| +		     $(if $(AFTER_LINK),; $(AFTER_LINK))
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|  quiet_cmd_vdso64as = VDSO64A $@
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|        cmd_vdso64as = $(CC) $(a_flags) -c -o $@ $<
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|  
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| diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile
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| index a3d0767a6b29..078c9be1db8f 100644
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| --- a/arch/x86/entry/vdso/Makefile
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| +++ b/arch/x86/entry/vdso/Makefile
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| @@ -172,8 +172,9 @@ $(vdso32-images:%=$(obj)/%.dbg): $(obj)/vdso32-%.so.dbg: FORCE \
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|  quiet_cmd_vdso = VDSO    $@
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|        cmd_vdso = $(CC) -nostdlib -o $@ \
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|  		       $(VDSO_LDFLAGS) $(VDSO_LDFLAGS_$(filter %.lds,$(^F))) \
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| -		       -Wl,-T,$(filter %.lds,$^) $(filter %.o,$^) && \
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| -		 sh $(srctree)/$(src)/checkundef.sh '$(NM)' '$@'
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| +		       -Wl,-T,$(filter %.lds,$^) $(filter %.o,$^) \
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| +		$(if $(AFTER_LINK),; $(AFTER_LINK)) && \
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| +		sh $(srctree)/$(src)/checkundef.sh '$(NM)' '$@'
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|  
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|  VDSO_LDFLAGS = -fPIC -shared $(call cc-ldoption, -Wl$(comma)--hash-style=both) \
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|  	$(call cc-ldoption, -Wl$(comma)--build-id) -Wl,-Bsymbolic $(LTO_CFLAGS)
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| diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
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| index 1a10d8ac8162..092d0c0cf72c 100755
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| --- a/scripts/link-vmlinux.sh
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| +++ b/scripts/link-vmlinux.sh
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| @@ -65,6 +65,10 @@ vmlinux_link()
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|  			-lutil ${1}
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|  		rm -f linux
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|  	fi
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| +	if [ -n "${AFTER_LINK}" ]; then
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| +		/usr/lib/rpm/debugedit -b ${RPM_BUILD_DIR} -d /usr/src/debug -i ${2} \
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| +			> ${2}.id
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| +	fi
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|  }
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|  
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|  
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| -- 
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| 2.4.3
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| 
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