source: trunk/packages/xen-common/xen-common/linux-2.6-xen-sparse/arch/i386/kernel/Makefile @ 34

#
# Makefile for the linux kernel.
#

extra-y := head.o init_task.o vmlinux.lds

obj-y   := process.o semaphore.o signal.o entry.o traps.o irq.o \
                ptrace.o time.o ioport.o ldt.o setup.o i8259.o sys_i386.o \
                pci-dma.o i386_ksyms.o i387.o bootflag.o \
                quirks.o i8237.o topology.o alternative.o i8253.o tsc.o

obj-$(CONFIG_STACKTRACE)        += stacktrace.o
obj-y                           += cpu/
obj-y                           += acpi/
obj-$(CONFIG_X86_BIOS_REBOOT)   += reboot.o
obj-$(CONFIG_MCA)               += mca.o
obj-$(CONFIG_X86_MSR)           += msr.o
obj-$(CONFIG_X86_CPUID)         += cpuid.o
obj-$(CONFIG_MICROCODE)         += microcode.o
obj-$(CONFIG_APM)               += apm.o
obj-$(CONFIG_X86_SMP)           += smp.o smpboot.o
obj-$(CONFIG_X86_TRAMPOLINE)    += trampoline.o
obj-$(CONFIG_X86_MPPARSE)       += mpparse.o
obj-$(CONFIG_X86_LOCAL_APIC)    += apic.o nmi.o
obj-$(CONFIG_X86_IO_APIC)       += io_apic.o
obj-$(CONFIG_X86_REBOOTFIXUPS)  += reboot_fixups.o
obj-$(CONFIG_KEXEC)             += machine_kexec.o relocate_kernel.o crash.o
obj-$(CONFIG_CRASH_DUMP)        += crash_dump.o
obj-$(CONFIG_X86_NUMAQ)         += numaq.o
obj-$(CONFIG_X86_SUMMIT_NUMA)   += summit.o
obj-$(CONFIG_KPROBES)           += kprobes.o
obj-$(CONFIG_MODULES)           += module.o
obj-y                           += sysenter.o vsyscall.o
obj-$(CONFIG_ACPI_SRAT)         += srat.o
obj-$(CONFIG_HPET_TIMER)        += time_hpet.o
obj-$(CONFIG_EFI)               += efi.o efi_stub.o
obj-$(CONFIG_DOUBLEFAULT)       += doublefault.o
obj-$(CONFIG_VM86)              += vm86.o
obj-$(CONFIG_EARLY_PRINTK)      += early_printk.o
obj-$(CONFIG_HPET_TIMER)        += hpet.o
obj-$(CONFIG_K8_NB)             += k8.o

EXTRA_AFLAGS   := -traditional

obj-$(CONFIG_SCx200)            += scx200.o

ifdef CONFIG_XEN
vsyscall_note := vsyscall-note-xen.o
else
vsyscall_note := vsyscall-note.o
endif

# vsyscall.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.o: $(obj)/vsyscall-int80.so $(obj)/vsyscall-sysenter.so
targets += $(foreach F,int80 sysenter,vsyscall-$F.o vsyscall-$F.so)
targets += vsyscall-note.o vsyscall.lds

# 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.lds += -P -C -U$(ARCH)

vsyscall-flags = -shared -s -Wl,-soname=linux-gate.so.1 \
                 $(call ld-option, -Wl$(comma)--hash-style=sysv)
SYSCFLAGS_vsyscall-sysenter.so  = $(vsyscall-flags)
SYSCFLAGS_vsyscall-int80.so     = $(vsyscall-flags)

$(obj)/vsyscall-int80.so $(obj)/vsyscall-sysenter.so: \
$(obj)/vsyscall-%.so: $(src)/vsyscall.lds \
                      $(obj)/vsyscall-%.o $(obj)/$(vsyscall_note) 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.lds \
                        $(obj)/vsyscall-sysenter.o $(obj)/$(vsyscall_note) FORCE
        $(call if_changed,syscall)

k8-y                      += ../../x86_64/kernel/k8.o

ifdef CONFIG_XEN
include $(srctree)/scripts/Makefile.xen

obj-y += fixup.o
microcode-$(subst m,y,$(CONFIG_MICROCODE)) := microcode-xen.o
n-obj-xen := i8259.o timers/ reboot.o smpboot.o trampoline.o

obj-y := $(call filterxen, $(obj-y), $(n-obj-xen))
obj-y := $(call cherrypickxen, $(obj-y))
extra-y := $(call cherrypickxen, $(extra-y))
%/head-xen.o %/head-xen.s: EXTRA_AFLAGS :=
endif