Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765329AbXIUWfk (ORCPT ); Fri, 21 Sep 2007 18:35:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1763475AbXIUWcP (ORCPT ); Fri, 21 Sep 2007 18:32:15 -0400 Received: from cantor.suse.de ([195.135.220.2]:57041 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1763266AbXIUWcJ (ORCPT ); Fri, 21 Sep 2007 18:32:09 -0400 From: Andi Kleen References: <200709221231.836138000@suse.de> In-Reply-To: <200709221231.836138000@suse.de> To: roland@redhat.com, patches@x86-64.org, linux-kernel@vger.kernel.org Subject: [PATCH] [10/50] x86_64: install unstripped copies of compat vdso on disk Message-Id: <20070921223208.8BF5713DCD@wotan.suse.de> Date: Sat, 22 Sep 2007 00:32:08 +0200 (CEST) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3000 Lines: 85 From: Roland McGrath 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" (or you can explicitly use the subtarget "make vdso_install"). These files can be useful when they contain source-level debugging information. Signed-off-by: Roland McGrath Signed-off-by: Andi Kleen arch/x86_64/Makefile | 7 ++++++- arch/x86_64/ia32/Makefile | 25 +++++++++++++++++++++---- 2 files changed, 27 insertions(+), 5 deletions(-) Index: linux/arch/x86_64/Makefile =================================================================== --- linux.orig/arch/x86_64/Makefile +++ linux/arch/x86_64/Makefile @@ -113,9 +113,14 @@ bzdisk: vmlinux fdimage fdimage144 fdimage288 isoimage: vmlinux $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@ -install: +install: vdso_install $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@ +vdso_install: +ifeq ($(CONFIG_IA32_EMULATION),y) + $(Q)$(MAKE) $(build)=arch/x86_64/ia32 $@ +endif + archclean: $(Q)$(MAKE) $(clean)=$(boot) Index: linux/arch/x86_64/ia32/Makefile =================================================================== --- linux.orig/arch/x86_64/ia32/Makefile +++ linux/arch/x86_64/ia32/Makefile @@ -18,18 +18,35 @@ $(obj)/syscall32_syscall.o: \ $(foreach F,sysenter syscall,$(obj)/vsyscall-$F.so) # Teach kbuild about targets -targets := $(foreach F,sysenter syscall,vsyscall-$F.o vsyscall-$F.so) +targets := $(foreach F,$(addprefix vsyscall-,sysenter syscall),\ + $F.o $F.so $F.so.dbg) # The DSO images are built using a special linker script quiet_cmd_syscall = SYSCALL $@ - cmd_syscall = $(CC) -m32 -nostdlib -shared -s \ + cmd_syscall = $(CC) -m32 -nostdlib -shared \ $(call ld-option, -Wl$(comma)--hash-style=sysv) \ -Wl,-soname=linux-gate.so.1 -o $@ \ -Wl,-T,$(filter-out FORCE,$^) -$(obj)/vsyscall-sysenter.so $(obj)/vsyscall-syscall.so: \ -$(obj)/vsyscall-%.so: $(src)/vsyscall.lds $(obj)/vsyscall-%.o FORCE +$(obj)/%.so: OBJCOPYFLAGS := -S +$(obj)/%.so: $(obj)/%.so.dbg FORCE + $(call if_changed,objcopy) + +$(obj)/vsyscall-sysenter.so.dbg $(obj)/vsyscall-syscall.so.dbg: \ +$(obj)/vsyscall-%.so.dbg: $(src)/vsyscall.lds $(obj)/vsyscall-%.o FORCE $(call if_changed,syscall) AFLAGS_vsyscall-sysenter.o = -m32 -Wa,-32 AFLAGS_vsyscall-syscall.o = -m32 -Wa,-32 + +vdsos := vdso32-sysenter.so vdso32-syscall.so + +quiet_cmd_vdso_install = INSTALL $@ + cmd_vdso_install = cp $(@:vdso32-%.so=$(obj)/vsyscall-%.so.dbg) \ + $(MODLIB)/vdso/$@ + +$(vdsos): + @mkdir -p $(MODLIB)/vdso + $(call cmd,vdso_install) + +vdso_install: $(vdsos) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/