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authorRoland McGrath <roland@redhat.com>2007-10-02 13:30:04 -0700
committerPaul Mackerras <paulus@samba.org>2007-10-03 12:02:43 +1000
commit8150caad02266623b5b9f58088d589f130fccd97 (patch)
treeb5998315ef421001ae4fcdfbcdf41af270ac78df /arch/powerpc
parentd4243c175f127b377c881f512e7fb8ddaf2ed5e2 (diff)
[POWERPC] powerpc vDSO: install unstripped copies on disk
This keeps an unstripped copy of the vDSO images built before they are stripped and embedded in the kernel. The unstripped copies get installed in $(MODLIB)/vdso/ by "make install". These files can be useful when they contain source-level debugging information. Signed-off-by: Roland McGrath <roland@redhat.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/Makefile8
-rw-r--r--arch/powerpc/kernel/vdso32/Makefile20
-rw-r--r--arch/powerpc/kernel/vdso64/Makefile19
3 files changed, 40 insertions, 7 deletions
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 71632b20b81..dc2d18e9300 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -169,9 +169,15 @@ define archhelp
@echo ' *_defconfig - Select default config from arch/$(ARCH)/configs'
endef
-install:
+install: vdso_install
$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) install
+vdso_install:
+ifeq ($(CONFIG_PPC64),y)
+ $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@
+endif
+ $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@
+
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
diff --git a/arch/powerpc/kernel/vdso32/Makefile b/arch/powerpc/kernel/vdso32/Makefile
index 3726358faae..c3d57bd01a8 100644
--- a/arch/powerpc/kernel/vdso32/Makefile
+++ b/arch/powerpc/kernel/vdso32/Makefile
@@ -9,11 +9,11 @@ ifeq ($(CONFIG_PPC32),y)
CROSS32CC := $(CC)
endif
-targets := $(obj-vdso32) vdso32.so
+targets := $(obj-vdso32) vdso32.so vdso32.so.dbg
obj-vdso32 := $(addprefix $(obj)/, $(obj-vdso32))
-EXTRA_CFLAGS := -shared -s -fno-common -fno-builtin
+EXTRA_CFLAGS := -shared -fno-common -fno-builtin
EXTRA_CFLAGS += -nostdlib -Wl,-soname=linux-vdso32.so.1 \
$(call ld-option, -Wl$(comma)--hash-style=sysv)
EXTRA_AFLAGS := -D__VDSO32__ -s
@@ -26,9 +26,14 @@ CPPFLAGS_vdso32.lds += -P -C -Upowerpc
$(obj)/vdso32_wrapper.o : $(obj)/vdso32.so
# link rule for the .so file, .lds has to be first
-$(obj)/vdso32.so: $(src)/vdso32.lds $(obj-vdso32)
+$(obj)/vdso32.so.dbg: $(src)/vdso32.lds $(obj-vdso32)
$(call if_changed,vdso32ld)
+# strip rule for the .so file
+$(obj)/%.so: OBJCOPYFLAGS := -S
+$(obj)/%.so: $(obj)/%.so.dbg FORCE
+ $(call if_changed,objcopy)
+
# assembly rules for the .S files
$(obj-vdso32): %.o: %.S
$(call if_changed_dep,vdso32as)
@@ -39,3 +44,12 @@ quiet_cmd_vdso32ld = VDSO32L $@
quiet_cmd_vdso32as = VDSO32A $@
cmd_vdso32as = $(CROSS32CC) $(a_flags) -c -o $@ $<
+# install commands for the unstripped file
+quiet_cmd_vdso_install = INSTALL $@
+ cmd_vdso_install = cp $(obj)/$@.dbg $(MODLIB)/vdso/$@
+
+vdso32.so: $(obj)/vdso32.so.dbg
+ @mkdir -p $(MODLIB)/vdso
+ $(call cmd,vdso_install)
+
+vdso_install: vdso32.so
diff --git a/arch/powerpc/kernel/vdso64/Makefile b/arch/powerpc/kernel/vdso64/Makefile
index 43af9b2a6f3..fa7f1b8f3e5 100644
--- a/arch/powerpc/kernel/vdso64/Makefile
+++ b/arch/powerpc/kernel/vdso64/Makefile
@@ -4,10 +4,10 @@ obj-vdso64 = sigtramp.o gettimeofday.o datapage.o cacheflush.o note.o
# Build rules
-targets := $(obj-vdso64) vdso64.so
+targets := $(obj-vdso64) vdso64.so vdso64.so.dbg
obj-vdso64 := $(addprefix $(obj)/, $(obj-vdso64))
-EXTRA_CFLAGS := -shared -s -fno-common -fno-builtin
+EXTRA_CFLAGS := -shared -fno-common -fno-builtin
EXTRA_CFLAGS += -nostdlib -Wl,-soname=linux-vdso64.so.1 \
$(call ld-option, -Wl$(comma)--hash-style=sysv)
EXTRA_AFLAGS := -D__VDSO64__ -s
@@ -20,9 +20,14 @@ CPPFLAGS_vdso64.lds += -P -C -U$(ARCH)
$(obj)/vdso64_wrapper.o : $(obj)/vdso64.so
# link rule for the .so file, .lds has to be first
-$(obj)/vdso64.so: $(src)/vdso64.lds $(obj-vdso64)
+$(obj)/vdso64.so.dbg: $(src)/vdso64.lds $(obj-vdso64)
$(call if_changed,vdso64ld)
+# strip rule for the .so file
+$(obj)/%.so: OBJCOPYFLAGS := -S
+$(obj)/%.so: $(obj)/%.so.dbg FORCE
+ $(call if_changed,objcopy)
+
# assembly rules for the .S files
$(obj-vdso64): %.o: %.S
$(call if_changed_dep,vdso64as)
@@ -33,4 +38,12 @@ quiet_cmd_vdso64ld = VDSO64L $@
quiet_cmd_vdso64as = VDSO64A $@
cmd_vdso64as = $(CC) $(a_flags) -c -o $@ $<
+# install commands for the unstripped file
+quiet_cmd_vdso_install = INSTALL $@
+ cmd_vdso_install = cp $(obj)/$@.dbg $(MODLIB)/vdso/$@
+
+vdso64.so: $(obj)/vdso64.so.dbg
+ @mkdir -p $(MODLIB)/vdso
+ $(call cmd,vdso_install)
+vdso_install: vdso64.so