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Message-Id: <20071119220706.57F7226F8BE@magilla.localdomain>
Date: Mon, 19 Nov 2007 14:07:06 -0800 (PST)
From: Roland McGrath <roland@...hat.com>
To: Andrew Morton <akpm@...ux-foundation.org>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
"H. Peter Anvin" <hpa@...or.com>
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH 18/18] x86 vDSO: makefile cleanup
This cleans up the arch/x86/vdso/Makefile rules for vdso.so to
share more code with the vdso32-*.so rules and remove old cruft.
Signed-off-by: Roland McGrath <roland@...hat.com>
---
arch/x86/vdso/Makefile | 19 ++++---------------
1 files changed, 4 insertions(+), 15 deletions(-)
diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile
index 53f36bc..2d5bbbe 100644
--- a/arch/x86/vdso/Makefile
+++ b/arch/x86/vdso/Makefile
@@ -23,25 +23,15 @@ $(obj)/vdso.o: $(obj)/vdso.so
targets += vdso.so vdso.so.dbg vdso.lds $(vobjs-y)
-# The DSO images are built using a special linker script.
-quiet_cmd_syscall = SYSCALL $@
- cmd_syscall = $(CC) -m elf_x86_64 -nostdlib $(SYSCFLAGS_$(@F)) \
- -Wl,-T,$(filter-out FORCE,$^) -o $@
-
export CPPFLAGS_vdso.lds += -P -C
-vdso-flags = -fPIC -shared -Wl,-soname=linux-vdso.so.1 \
- $(call ld-option, -Wl$(comma)--hash-style=sysv) \
- -Wl,-z,max-page-size=4096 -Wl,-z,common-page-size=4096
-SYSCFLAGS_vdso.so = $(vdso-flags)
-SYSCFLAGS_vdso.so.dbg = $(vdso-flags)
+VDSO_LDFLAGS_vdso.lds = -m elf_x86_64 -Wl,-soname=linux-vdso.so.1 \
+ -Wl,-z,max-page-size=4096 -Wl,-z,common-page-size=4096
$(obj)/vdso.o: $(src)/vdso.S $(obj)/vdso.so
-$(obj)/vdso.so: $(src)/vdso.lds $(vobjs) FORCE
-
$(obj)/vdso.so.dbg: $(src)/vdso.lds $(vobjs) FORCE
- $(call if_changed,syscall)
+ $(call if_changed,vdso)
$(obj)/%.so: OBJCOPYFLAGS := -S
$(obj)/%.so: $(obj)/%.so.dbg FORCE
@@ -49,8 +39,7 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE
CFL := $(PROFILING) -mcmodel=small -fPIC -g0 -O2 -fasynchronous-unwind-tables -m64
-$(obj)/vclock_gettime.o: KBUILD_CFLAGS = $(CFL)
-$(obj)/vgetcpu.o: KBUILD_CFLAGS = $(CFL)
+$(vobjs): KBUILD_CFLAGS = $(CFL)
targets += vdso-syms.lds
obj-$(VDSO64-y) += vdso-syms.lds
-
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