projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | # List of files in the vdso, has to be asm only for now |
| 2 | ||
| 1b29f9d1 | 3 | obj-vdso64 = sigtramp.o gettimeofday.o datapage.o cacheflush.o note.o |
| 1da177e4 LT |
4 | |
| 5 | # Build rules | |
| 6 | ||
| 7 | targets := $(obj-vdso64) vdso64.so | |
| 8 | obj-vdso64 := $(addprefix $(obj)/, $(obj-vdso64)) | |
| 9 | ||
| 10 | EXTRA_CFLAGS := -shared -s -fno-common -fno-builtin | |
| 0b0bf7a3 RM |
11 | EXTRA_CFLAGS += -nostdlib -Wl,-soname=linux-vdso64.so.1 \ |
| 12 | $(call ld-option, -Wl$(comma)--hash-style=sysv) | |
| 1da177e4 LT |
13 | EXTRA_AFLAGS := -D__VDSO64__ -s |
| 14 | ||
| 15 | obj-y += vdso64_wrapper.o | |
| 16 | extra-y += vdso64.lds | |
| 17 | CPPFLAGS_vdso64.lds += -P -C -U$(ARCH) | |
| 18 | ||
| 19 | # Force dependency (incbin is bad) | |
| 20 | $(obj)/vdso64_wrapper.o : $(obj)/vdso64.so | |
| 21 | ||
| 22 | # link rule for the .so file, .lds has to be first | |
| 23 | $(obj)/vdso64.so: $(src)/vdso64.lds $(obj-vdso64) | |
| 24 | $(call if_changed,vdso64ld) | |
| 25 | ||
| 26 | # assembly rules for the .S files | |
| 27 | $(obj-vdso64): %.o: %.S | |
| 28 | $(call if_changed_dep,vdso64as) | |
| 29 | ||
| 30 | # actual build commands | |
| 31 | quiet_cmd_vdso64ld = VDSO64L $@ | |
| 32 | cmd_vdso64ld = $(CC) $(c_flags) -Wl,-T $^ -o $@ | |
| 33 | quiet_cmd_vdso64as = VDSO64A $@ | |
| 34 | cmd_vdso64as = $(CC) $(a_flags) -c -o $@ $< | |
| 35 | ||
| 36 |