kmodsrc/Makefile.in

   1 prefix = @prefix@
   2 datarootdir = @datarootdir@
   3 datadir = @datadir@
   4
   5 ksplice-script = $(datadir)/ksplice/ksplice-obj.pl
   6
   7 KSPLICE_KID ?= $(error "You must set KSPLICE_KID.")
   8 KSPLICE_VERSION ?= $(error "You must set KSPLICE_VERSION.")
   9 map_printk ?= $(error "You must set map_printk.")
  10
  11 ifneq ($(KSPLICE_STANDALONE),)
  12     KSPLICE_CFLAGS += -DKSPLICE_STANDALONE
  13 endif
  14 KSPLICE_CFLAGS += -DKSPLICE_KID=$(KSPLICE_KID)
  15 KSPLICE_CFLAGS += -DMAP_PRINTK=0x$(map_printk)L
  16
  17 comma ?= ,
  18 name-fix ?= $(subst $(comma),_,$(subst -,_,$(1)))
  19 target = $(call name-fix,$(mod))
  20 KSPLICE_MID = $(KSPLICE_KID)_$(target)
  21 KSPLICE = ksplice-$(KSPLICE_MID)
  22 KSPLICE_CORE = ksplice-$(KSPLICE_KID)
  23
  24 quiet_cmd_ksplice-collect = COLLECT $@
  25 cmd_ksplice-collect = \
  26         $(ksplice-script) finalize $< $<.final $* && \
  27         $(LD) --script=$(obj)/ksplice.lds -r -o $@ $<.final
  28
  29 ksplice-pack-cflags = $(KSPLICE_CFLAGS) \
  30         "-DKSPLICE_MID=$(KSPLICE_MID)" \
  31         $(addprefix -DKSPLICE_TARGET=,$(target)) \
  32         "-DKSPLICE_VERSION=\"$(KSPLICE_VERSION)\""
  33
  34 ksplice-primary-objs = primary-$(target).o collect-primary-$(mod).o
  35 ksplice-helper-objs = helper-$(target).o collect-helper-$(mod).o
  36
  37 ifneq ($(KSPLICE_STANDALONE),)
  38 ifeq ($(KSPLICE_SKIP_CORE),)
  39 obj-m += $(KSPLICE_CORE).o
  40 endif
  41 UDIS86 = x86/libudis86
  42 kudis86 += \
  43         $(UDIS86)/itab.o \
  44         $(UDIS86)/input.o \
  45         $(UDIS86)/decode.o \
  46         $(UDIS86)/syn.o \
  47         $(UDIS86)/syn-intel.o \
  48         $(UDIS86)/syn-att.o \
  49         $(UDIS86)/udis86.o
  50 $(KSPLICE_CORE)-objs = $(fake-ksplice.o) ksplice-rmsyms.o $(kudis86)
  51 fake-ksplice.o = ksplice.o
  52 $(obj)/$(KSPLICE_CORE).o: fake-ksplice.o =
  53 endif
  54
  55 define ksplice-pack-vars
  56 obj-m += $(KSPLICE).o $(KSPLICE)-helper.o
  57 $(KSPLICE)-objs = $(ksplice-primary-objs)
  58 $(KSPLICE)-helper-objs = $(ksplice-helper-objs)
  59 CFLAGS_primary-$(target).o = $(ksplice-pack-cflags)
  60 CFLAGS_helper-$(target).o = $(ksplice-pack-cflags)
  61 CPPFLAGS_ksplice.lds = $(ksplice-pack-cflags) -P
  62 endef
  63
  64 $(foreach mod,$(KSPLICE_MODULES),$(eval $(ksplice-pack-vars)))
  65
  66 ifneq ($(KSPLICE_MODULES),)
  67 $(foreach mod,$(KSPLICE_MODULES),$(obj)/primary-$(target).o): $(obj)/%.o: $(src)/primary.c FORCE
  68         $(call if_changed_rule,cc_o_c)
  69 $(foreach mod,$(KSPLICE_MODULES),$(obj)/helper-$(target).o): $(obj)/%.o: $(src)/helper.c FORCE
  70         $(call if_changed_rule,cc_o_c)
  71 endif
  72
  73 $(obj)/collect-primary-%.o: $(obj)/%.o.KSPLICE_primary $(obj)/ksplice.lds FORCE
  74         $(call if_changed,ksplice-collect)
  75 $(obj)/collect-helper-%.o: $(obj)/%.o.KSPLICE_helper $(obj)/ksplice.lds FORCE
  76         $(call if_changed,ksplice-collect)
  77
  78 ifeq ($(quiet_cmd_cpp_lds_S),)
  79 quiet_cmd_cpp_lds_S = LDS     $@
  80       cmd_cpp_lds_S = $(CPP) -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(CPPFLAGS) $(EXTRA_CPPFLAGS) $(CPPFLAGS_$(@F)) $(cpp_flags) -D__ASSEMBLY__ -o $@ $<
  81
  82 %.lds: %.lds.S FORCE
  83         $(call if_changed_dep,cpp_lds_S)
  84 endif
  85
  86 $(obj)/ksplice.lds: $(src)/ksplice.lds.S FORCE
  87         $(call if_changed_dep,cpp_lds_S)
  88
  89 CFLAGS_offsets.o += $(KSPLICE_CFLAGS)
  90 ifeq ($(KSPLICE_SKIP_CORE),)
  91 extra-y += offsets.o
  92 endif
  93
  94 ifneq ($(KSPLICE_STANDALONE),)
  95 CFLAGS_ksplice.o += $(KSPLICE_CFLAGS)
  96
  97 RMSYMS = \
  98         apply_paravirt \
  99         find_bug \
 100         search_exception_tables \
 101         thread_return \
 102         bust_spinlocks \
 103         task_curr \
 104         __kernel_text_address \
 105         tasklist_lock \
 106         stop_machine_run \
 107         module_mutex \
 108         modules \
 109         init_mm \
 110         phys_base \
 111         kallsyms_addresses \
 112         kallsyms_num_syms \
 113         kallsyms_names \
 114         kallsyms_token_table \
 115         kallsyms_token_index \
 116         __module_text_address \
 117         __start___ksymtab \
 118         __stop___ksymtab \
 119         __start___ksymtab_gpl \
 120         __stop___ksymtab_gpl \
 121         __start___ksymtab_gpl_future \
 122         __stop___ksymtab_gpl_future \
 123         __start___ksymtab_unused \
 124         __stop___ksymtab_unused \
 125         __start___ksymtab_unused_gpl \
 126         __stop___ksymtab_unused_gpl \
 127         __start___ksymtab_gpl_future \
 128         __stop___ksymtab_gpl_future \
 129         __start___kcrctab \
 130         __start___kcrctab_gpl \
 131         __start___kcrctab_gpl_future \
 132         __start___kcrctab_unused \
 133         __start___kcrctab_unused_gpl \
 134         ftrace_trace_function
 135
 136 quiet_cmd_ksplice-rmsyms = RMSYMS  $@
 137 cmd_ksplice-rmsyms = \
 138         $(ksplice-script) rmsyms $< $<.rmsyms $(RMSYMS) && \
 139         $(LD) -r -o $@ $<.rmsyms $(src)/ksplice-rmsyms.lds
 140 $(obj)/ksplice-rmsyms.o: $(obj)/ksplice.o $(obj)/offsets.o FORCE
 141         $(call if_changed,ksplice-rmsyms)
 142 endif # KSPLICE_STANDALONE