diff options
author | Roland McGrath <roland@redhat.com> | 2008-01-30 13:30:42 +0100 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:30:42 +0100 |
commit | 6c3652efcafa6a6d795093362cb4290c84994b5c (patch) | |
tree | 1587379f45a7145a64c3103b40e12b01c46ea559 /arch/x86/kernel/Makefile_32 | |
parent | 0249c9c1e7505c2b020bcc6deaf1e0415de9943e (diff) |
x86 vDSO: i386 vdso32
This makes the i386 kernel use the new vDSO build in arch/x86/vdso/vdso32/
to replace the old one from arch/x86/kernel/.
Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/Makefile_32')
-rw-r--r-- | arch/x86/kernel/Makefile_32 | 43 |
1 files changed, 1 insertions, 42 deletions
diff --git a/arch/x86/kernel/Makefile_32 b/arch/x86/kernel/Makefile_32 index f7c1c1c88dd..0eef8226753 100644 --- a/arch/x86/kernel/Makefile_32 +++ b/arch/x86/kernel/Makefile_32 @@ -33,7 +33,7 @@ obj-$(CONFIG_X86_NUMAQ) += numaq_32.o obj-$(CONFIG_X86_SUMMIT_NUMA) += summit_32.o obj-$(CONFIG_KPROBES) += kprobes_32.o obj-$(CONFIG_MODULES) += module_32.o -obj-y += sysenter_32.o vsyscall_32.o +obj-y += sysenter_32.o obj-$(CONFIG_ACPI_SRAT) += srat_32.o obj-$(CONFIG_EFI) += efi_32.o efi_stub_32.o obj-$(CONFIG_DOUBLEFAULT) += doublefault_32.o @@ -48,44 +48,3 @@ obj-$(CONFIG_PARAVIRT) += paravirt_32.o obj-y += pcspeaker.o obj-$(CONFIG_SCx200) += scx200_32.o - -# vsyscall_32.o contains the vsyscall DSO images as __initdata. -# We must build both images before we can assemble it. -# Note: kbuild does not track this dependency due to usage of .incbin -$(obj)/vsyscall_32.o: $(obj)/vsyscall-int80_32.so $(obj)/vsyscall-sysenter_32.so -targets += $(foreach F,int80 sysenter,vsyscall-$F_32.o vsyscall-$F_32.so) -targets += vsyscall-note_32.o vsyscall_32.lds - -$(obj)/vsyscall-%_32.o: $(src)/../vdso/vdso32/%.S - $(call if_changed_dep,as_o_S) - -# The DSO images are built using a special linker script. -quiet_cmd_syscall = SYSCALL $@ - cmd_syscall = $(CC) -m elf_i386 -nostdlib $(SYSCFLAGS_$(@F)) \ - -Wl,-T,$(filter-out FORCE,$^) -o $@ - -export CPPFLAGS_vsyscall_32.lds += -P -C -Ui386 - -vsyscall-flags = -shared -s -Wl,-soname=linux-gate.so.1 \ - $(call ld-option, -Wl$(comma)--hash-style=sysv) -SYSCFLAGS_vsyscall-sysenter_32.so = $(vsyscall-flags) -SYSCFLAGS_vsyscall-int80_32.so = $(vsyscall-flags) - -$(obj)/vsyscall-int80_32.so $(obj)/vsyscall-sysenter_32.so: \ -$(obj)/vsyscall-%.so: $(src)/vsyscall_32.lds \ - $(obj)/vsyscall-%.o $(obj)/vsyscall-note_32.o FORCE - $(call if_changed,syscall) - -# We also create a special relocatable object that should mirror the symbol -# table and layout of the linked DSO. With ld -R we can then refer to -# these symbols in the kernel code rather than hand-coded addresses. -extra-y += vsyscall-syms.o -$(obj)/built-in.o: $(obj)/vsyscall-syms.o -$(obj)/built-in.o: ld_flags += -R $(obj)/vsyscall-syms.o - -SYSCFLAGS_vsyscall-syms.o = -r -$(obj)/vsyscall-syms.o: $(src)/vsyscall_32.lds \ - $(obj)/vsyscall-sysenter_32.o $(obj)/vsyscall-note_32.o FORCE - $(call if_changed,syscall) - - |