tests/data/plugins/flt.lttng-utils.debug-info/Makefile

   1 BUILD_ID_PREFIX=cd
   2 BUILD_ID_SUFFIX=d98cdd87f7fe64c13b6daad553987eafd40cbb
   3 BUILD_ID=$(BUILD_ID_PREFIX)$(BUILD_ID_SUFFIX)
   4
   5 BUILD_DIR ?= build
   6
   7 OBJS=$(BUILD_DIR)/dwarf_full/libhello_so \
   8      $(BUILD_DIR)/elf_only/libhello_so \
   9      $(BUILD_DIR)/build_id/libhello_so \
  10      $(BUILD_DIR)/debug_link/libhello_so
  11
  12 all: $(OBJS)
  13
  14 %.o: %.c
  15         $(CC) -gdwarf -fdebug-prefix-map=$(CURDIR)=. -fPIC -c -I. -o $@ $<
  16
  17 # Master copy: ELF with DWARF and build-id
  18 $(BUILD_DIR)/dwarf_full/libhello_so: tp.o libhello.o
  19         mkdir -p $(@D)
  20         $(CC) -shared -gdwarf -llttng-ust -ldl -Wl,-soname,libhello.so -Wl,--build-id=0x$(BUILD_ID) -o $@ $^
  21
  22 # ELF only, no debug symbols, no build-d
  23 $(BUILD_DIR)/elf_only/libhello_so: $(BUILD_DIR)/dwarf_full/libhello_so
  24         mkdir -p $(@D)
  25         objcopy -g $< $@.tmp
  26         objcopy --remove-section=.note.gnu.build-id $@.tmp
  27         mv $@.tmp $@
  28
  29 # ELF with external build-id DWARF
  30 $(BUILD_DIR)/build_id/libhello_so: $(BUILD_DIR)/dwarf_full/libhello_so
  31         mkdir -p $(@D)/.build-id/$(BUILD_ID_PREFIX)
  32         objcopy --only-keep-debug $< $(@D)/.build-id/$(BUILD_ID_PREFIX)/$(BUILD_ID_SUFFIX).debug
  33         objcopy -g $< $@
  34
  35 # ELF with external debug link DWARF
  36 $(BUILD_DIR)/debug_link/libhello_so: $(BUILD_DIR)/dwarf_full/libhello_so
  37         mkdir -p $(@D)
  38         objcopy --remove-section=.note.gnu.build-id $< $@.tmp
  39         objcopy --only-keep-debug $@.tmp $(@D)/libhello_so.debug
  40         objcopy -g $@.tmp
  41         cd $(@D) && objcopy --add-gnu-debuglink=libhello_so.debug $(@F).tmp
  42         mv $@.tmp $@
  43
  44 clean:
  45         rm -f *.o
  46
  47 dist-clean: clean
  48         rm -rf $(BUILD_DIR)
  49
  50 .PHONY: all clean dist-clean