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Improved building of debugging objects. You can now specify a "DEBUG="

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list for any build, e.g.
  make bin/pnic.dsk DEBUG=pci,pnic
This will drag in debugging-enabled versions of pci.c and pnic.c.
This commit is contained in:
Michael Brown
2005-04-16 23:28:36 +00:00
parent 5ca20abf95
commit a666eb34b5
2 changed files with 37 additions and 15 deletions
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36
src/Makefile.housekeeping
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@@ -111,7 +111,8 @@ define obj_template
$(foreach TGT,$(DEBUG_TARGETS), \
$(if $(RULE_$(3)_to_$(TGT)), \
'\n$$(BIN)/$(4).$(TGT) : $(1) $$(MAKEDEPS) $$($(4)_DEPS)' \
'\n\t$$(RULE_$(3)_to_$(TGT))\n' ) ) \
'\n\t$$(RULE_$(3)_to_$(TGT))\n' \
'\n$(TGT)_OBJS += $$(BIN)/$(4).$(TGT)\n' ) ) \
'\n$(2) : $$($(4)_DEPS)\n' \
'\nTAGS : $$($(4)_DEPS)\n' \
>> $(2)
@@ -222,6 +223,15 @@ TGT_LD_FLAGS = $(foreach SYM,$(TGT_LD_PREFIX) $(TGT_LD_DRIVERS) obj_config,\
TGT_MAKEROM_FLAGS = $(strip $(MAKEROM_FLAGS_$(TGT_ROM_NAME)) \
$(if $(TGT_PCI_VENDOR),$(strip -p $(TGT_PCI_VENDOR),$(TGT_PCI_DEVICE))))
# Calculate list of debugging versions of objects to be included in
# the target.
#
COMMA := ,
DEBUG_OBJECTS = $(foreach D,$(subst $(COMMA), ,$(DEBUG)),$(BIN)/$(D).dbg.o)
$(foreach OBJ,$(filter-out $(dbg.o_OBJS),$(DEBUG_OBJECTS)), \
$(error $(OBJ) is not a valid debug object) \
)
# Print out all derived information for a given target.
#
$(BIN)/%.info :
@@ -242,13 +252,25 @@ $(BIN)/%.info :
@echo 'LD target flags : $(TGT_LD_FLAGS)'
@echo
@echo 'makerom target flags : $(TGT_MAKEROM_FLAGS)'
@echo
@echo 'Debugging objects : $(DEBUG_OBJECTS)'
# Build an intermediate object file from the objects required for the
# specified target.
#
# If it's a debugging version, force a link to take place by making
# this target depend on a phony target, and mark the resulting files
# as being older than BLIB, so that any subsequent images will do a
# fresh link. Otherwise, you won't get what you expect when you do
# e.g. "make DEBUG=pci bin/pnic.dsk ; make bin/pnic.dsk ; make
# DEBUG=pci bin/pnic.dsk"
#
$(BIN)/%.tmp : $(BLIB) $(MAKEDEPS) $(LDSCRIPT)
$(LD) $(LDFLAGS) -T $(LDSCRIPT) $(TGT_LD_FLAGS) $< -o $@ \
-Map $(BIN)/$*.tmp.map
$(BIN)/%.tmp : $(BLIB) $(MAKEDEPS) $(LDSCRIPT) \
$(DEBUG_OBJECTS) $(if $(DEBUG),force_relink)
$(LD) $(LDFLAGS) -T $(LDSCRIPT) $(TGT_LD_FLAGS) \
$(DEBUG_OBJECTS) $(BLIB) -o $@ -Map $(BIN)/$*.tmp.map
$(if $(DEBUG_OBJECTS),$(TOUCH) -r $(BLIB) -B 2 $@ $(BIN)/$*.tmp.map)
.PHONY : force_relink
# Show a linker map for the specified target
#
@@ -376,12 +398,6 @@ $(BIN)/%.rebuild :
rm -f $(BIN)/$*
$(MAKE) $(MAKEFLAGS) $(BIN)/$*
# Build a debugging version of an object
#
$(BIN)/%.o.dbg :
rm -f $(BIN)/$*.o
$(MAKE) $(MAKEFLAGS) EXTRA_CFLAGS+=-Ddebug_$* $(BIN)/$*.o
# Clean-up
#
clean :