1#
2# Makefile for the ia32 kernel emulation subsystem.
3#
4
5obj-$(CONFIG_IA32_EMULATION) := ia32entry.o sys_ia32.o ia32_signal.o tls32.o \
6	ia32_binfmt.o fpu32.o ptrace32.o syscall32.o syscall32_syscall.o \
7	mmap32.o
8
9sysv-$(CONFIG_SYSVIPC) := ipc32.o
10obj-$(CONFIG_IA32_EMULATION) += $(sysv-y)
11
12obj-$(CONFIG_IA32_AOUT) += ia32_aout.o
13
14audit-class-$(CONFIG_AUDIT) := audit.o
15obj-$(CONFIG_IA32_EMULATION) += $(audit-class-y)
16
17$(obj)/syscall32_syscall.o: \
18	$(foreach F,sysenter syscall,$(obj)/vsyscall-$F.so)
19
20# Teach kbuild about targets
21targets := $(foreach F,sysenter syscall,vsyscall-$F.o vsyscall-$F.so)
22
23# The DSO images are built using a special linker script
24quiet_cmd_syscall = SYSCALL $@
25      cmd_syscall = $(CC) -m32 -nostdlib -shared -s \
26			  $(call ld-option, -Wl$(comma)--hash-style=sysv) \
27			   -Wl,-soname=linux-gate.so.1 -o $@ \
28			   -Wl,-T,$(filter-out FORCE,$^)
29
30$(obj)/vsyscall-sysenter.so $(obj)/vsyscall-syscall.so: \
31$(obj)/vsyscall-%.so: $(src)/vsyscall.lds $(obj)/vsyscall-%.o FORCE
32	$(call if_changed,syscall)
33
34AFLAGS_vsyscall-sysenter.o = -m32 -Wa,-32
35AFLAGS_vsyscall-syscall.o = -m32 -Wa,-32
36