projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | |
| 2 | # List of files in the vdso, has to be asm only for now | |
| 3 | ||
| 1b29f9d1 | 4 | obj-vdso32 = sigtramp.o gettimeofday.o datapage.o cacheflush.o note.o |
| 1da177e4 LT |
5 | |
| 6 | # Build rules | |
| 7 | ||
| a7f290da BH |
8 | ifeq ($(CONFIG_PPC32),y) |
| 9 | CROSS32CC := $(CC) | |
| 10 | endif | |
| 11 | ||
| 8150caad | 12 | targets := $(obj-vdso32) vdso32.so vdso32.so.dbg |
| 1da177e4 LT |
13 | obj-vdso32 := $(addprefix $(obj)/, $(obj-vdso32)) |
| 14 | ||
| a15098c9 | 15 | GCOV_PROFILE := n |
| 1da177e4 | 16 | |
| 8150caad | 17 | EXTRA_CFLAGS := -shared -fno-common -fno-builtin |
| 0b0bf7a3 | 18 | EXTRA_CFLAGS += -nostdlib -Wl,-soname=linux-vdso32.so.1 \ |
| f86fd306 | 19 | $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) |
| 1da177e4 LT |
20 | EXTRA_AFLAGS := -D__VDSO32__ -s |
| 21 | ||
| 22 | obj-y += vdso32_wrapper.o | |
| 23 | extra-y += vdso32.lds | |
| 271c3f35 | 24 | CPPFLAGS_vdso32.lds += -P -C -Upowerpc |
| 1da177e4 LT |
25 | |
| 26 | # Force dependency (incbin is bad) | |
| 27 | $(obj)/vdso32_wrapper.o : $(obj)/vdso32.so | |
| 28 | ||
| 29 | # link rule for the .so file, .lds has to be first | |
| 8150caad | 30 | $(obj)/vdso32.so.dbg: $(src)/vdso32.lds $(obj-vdso32) |
| 1da177e4 LT |
31 | $(call if_changed,vdso32ld) |
| 32 | ||
| 8150caad RM |
33 | # strip rule for the .so file |
| 34 | $(obj)/%.so: OBJCOPYFLAGS := -S | |
| 35 | $(obj)/%.so: $(obj)/%.so.dbg FORCE | |
| 36 | $(call if_changed,objcopy) | |
| 37 | ||
| 1da177e4 LT |
38 | # assembly rules for the .S files |
| 39 | $(obj-vdso32): %.o: %.S | |
| 40 | $(call if_changed_dep,vdso32as) | |
| 41 | ||
| 42 | # actual build commands | |
| 43 | quiet_cmd_vdso32ld = VDSO32L $@ | |
| 44 | cmd_vdso32ld = $(CROSS32CC) $(c_flags) -Wl,-T $^ -o $@ | |
| 45 | quiet_cmd_vdso32as = VDSO32A $@ | |
| 46 | cmd_vdso32as = $(CROSS32CC) $(a_flags) -c -o $@ $< | |
| 47 | ||
| 8150caad RM |
48 | # install commands for the unstripped file |
| 49 | quiet_cmd_vdso_install = INSTALL $@ | |
| 50 | cmd_vdso_install = cp $(obj)/$@.dbg $(MODLIB)/vdso/$@ | |
| 51 | ||
| 52 | vdso32.so: $(obj)/vdso32.so.dbg | |
| 53 | @mkdir -p $(MODLIB)/vdso | |
| 54 | $(call cmd,vdso_install) | |
| 55 | ||
| 56 | vdso_install: vdso32.so |