WIP FPC-III support
[linux/fpc-iii.git] / arch / sh / kernel / vsyscall / Makefile
blob6e86644480488f692753a84950ea25e8235985c7
1 # SPDX-License-Identifier: GPL-2.0
2 obj-y += vsyscall.o vsyscall-syscall.o vsyscall-syms.o
4 $(obj)/vsyscall-syscall.o: \
5 $(foreach F,trapa,$(obj)/vsyscall-$F.so)
7 # Teach kbuild about targets
8 targets += $(foreach F,trapa,vsyscall-$F.o vsyscall-$F.so)
9 targets += vsyscall-note.o vsyscall.lds vsyscall-dummy.o
11 # The DSO images are built using a special linker script
12 quiet_cmd_syscall = SYSCALL $@
13 cmd_syscall = $(CC) -nostdlib $(SYSCFLAGS_$(@F)) \
14 -Wl,-T,$(filter-out FORCE,$^) -o $@
16 export CPPFLAGS_vsyscall.lds += -P -C -Ush
18 vsyscall-flags = -shared -s -Wl,-soname=linux-gate.so.1 -Wl,--hash-style=sysv
20 SYSCFLAGS_vsyscall-trapa.so = $(vsyscall-flags)
22 $(obj)/vsyscall-trapa.so: \
23 $(obj)/vsyscall-%.so: $(src)/vsyscall.lds $(obj)/vsyscall-%.o FORCE
24 $(call if_changed,syscall)
26 # We also create a special relocatable object that should mirror the symbol
27 # table and layout of the linked DSO. With ld -R we can then refer to
28 # these symbols in the kernel code rather than hand-coded addresses.
29 SYSCFLAGS_vsyscall-dummy.o = -r
30 $(obj)/vsyscall-dummy.o: $(src)/vsyscall.lds \
31 $(obj)/vsyscall-trapa.o $(obj)/vsyscall-note.o FORCE
32 $(call if_changed,syscall)
34 LDFLAGS_vsyscall-syms.o := -r -R
35 $(obj)/vsyscall-syms.o: $(obj)/vsyscall-dummy.o FORCE
36 $(call if_changed,ld)