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tccgen: nodata_wanted

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The existing variable 'nocode_wanted' is now used to control
output of static data too. So...

(nocode_wanted == 0)
    code and data (normal within functions)
(nocode_wanted < 0)
    means: no code, but data (global or static data)
(nocode_wanted > 0)
    means: no code and no data (code and data suppressed)
(nocode_wanted & 0xC0000000)
    means:  we're in declaration of static data

Also: new option '-dT' to be used with -run
    tcc -dT -run file.c
This will look in file.c for certain comment-boundaries:
    /*-* test-xxx: ...some description */
and then for each test below run it from memory.  This way
various features and error messages can be tested with one
single file.  See 96_nodata_wanted.c for an example.

Also: tccgen.c: one more bitfield fix
This commit is contained in:
grischka
2017-07-16 12:10:00 +02:00
parent 69a137ff88
commit 7f1ab9b1e1
10 changed files with 330 additions and 86 deletions
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93
tests/tests2/Makefile
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@@ -5,29 +5,6 @@ VPATH = $(SRC)
TESTS = $(patsubst %.c,%.test,$(sort $(notdir $(wildcard $(SRC)/*.c))))
# Some tests might need arguments
ARGS =
31_args.test : ARGS = arg1 arg2 arg3 arg4 arg5
46_grep.test : ARGS = '[^* ]*[:a:d: ]+\:\*-/: $$' $(SRC)/46_grep.c
# And some tests don't test the right thing with -run
NORUN =
42_function_pointer.test : NORUN = true
# Some tests might need different flags
FLAGS =
76_dollars_in_identifiers.test : FLAGS += -fdollars-in-identifiers
# Always generate certain .expects (don't put these in the GIT),
GEN-ALWAYS = 95_bitfields.expect
# Filter source directory in warnings/errors (out-of-tree builds)
FILTER = 2>&1 | sed 's,$(SRC)/,,g'
# Filter some always-warning
ifeq (-$(findstring arm,$(ARCH))-,-arm-)
FILTER += 2>&1 | grep -v 'warning: soft float ABI currently not supported'
endif
# some tests do not pass on all platforms, remove them for now
SKIP = 34_array_assignment.test # array assignment is not in C standard
ifeq ($(CONFIG_arm_eabi),yes) # not ARM soft-float
@@ -50,46 +27,80 @@ ifeq (-$(CONFIG_WIN32)-$(CONFIG_i386)$(CONFIG_arm)-,--yes-)
SKIP += 95_bitfields_ms.test # type_align is differnt on 32bit-non-windows
endif
# Some tests might need arguments
ARGS =
31_args.test : ARGS = arg1 arg2 arg3 arg4 arg5
46_grep.test : ARGS = '[^* ]*[:a:d: ]+\:\*-/: $$' $(SRC)/46_grep.c
# And some tests don't test the right thing with -run
NORUN =
42_function_pointer.test : NORUN = true
# Some tests might need different flags
FLAGS =
76_dollars_in_identifiers.test : FLAGS += -fdollars-in-identifiers
# run the source file cut into snippets
96_nodata_wanted.test : FLAGS = -dT
# Always generate certain .expects (don't put these in the GIT),
GEN-ALWAYS =
GEN-ALWAYS += 95_bitfields.expect
# using the ms compiler for the really ms-compatible bitfields
95_bitfields_ms.test : GEN = $(GEN-MSC)
# Filter source directory in warnings/errors (out-of-tree builds)
FILTER = 2>&1 | sed 's,$(SRC)/,,g'
# Filter some always-warning
ifeq (-$(findstring arm,$(ARCH))-,-arm-)
FILTER += 2>&1 | grep -v 'warning: soft float ABI currently not supported'
endif
all test tests2.all: $(filter-out $(SKIP),$(TESTS)) ;
%.test: %.c %.expect
@echo Test: $*...
@$(if $(NORUN),\
($(TCC) $(FLAGS) $< -o a.exe && ./a.exe $(ARGS)),\
$(TCC) $(FLAGS) -run $< $(ARGS)\
) $(FILTER) >$*.output 2>&1 || true
@diff -Nbu $(filter %.expect,$^) $*.output \
&& rm -f $*.output $(filter $*.expect,$(GEN-ALWAYS))
@$(if $(NORUN),$(T1),$(T2)) $(if $(NODIFF),,$(T3))
F1 = $(or $(filter $1_%,$(TESTS)),$1_???.test)
F2 = $1 UPDATE="$(patsubst %.test,%.expect,$1)"
T1 = $(TCC) $(FLAGS) $< -o a.exe && ./a.exe $(ARGS)
T2 = $(TCC) $(FLAGS) -run $< $(ARGS)
T3 = $(FILTER) >$*.output 2>&1 || true \
&& diff -Nbu $(filter %.expect,$^) $*.output \
&& rm -f $*.output $(filter $*.expect,$(GEN-ALWAYS))
# run single test and update .expect file, e.g. "make tests2.37+"
tests2.%+:
@$(MAKE) $(call F2,$(call F1,$*)) --no-print-directory
# just run tcc to see the output, e.g. "make tests2.37-"
tests2.%-:
@$(MAKE) $(call F1,$*) NODIFF=true --no-print-directory
# run single test, e.g. "make tests2.37"
tests2.%:
@$(MAKE) $(call F1,$*) --no-print-directory
F1 = $(or $(filter $1_%,$(TESTS)),$1_???.test)
F2 = $1 UPDATE="$(patsubst %.test,%.expect,$1)"
# automatically generate .expect files with gcc:
%.expect :
@echo Generating: $@
@$(CC) -w -std=gnu99 $(FLAGS) $(SRC)/$*.c -o a.exe
@./a.exe $(ARGS) $(FILTER) >$@ 2>&1
@rm -f a.exe
# using the ms compiler for the really ms-compatible bitfields
MS-CC = cl
95_bitfields_ms.expect :
@echo Generating: $@
@$(MS-CC) $(basename $@).c
@./$(basename $@).exe >$@ 2>&1
@$(call GEN,$(SRC)/$*.c) $(FILTER) >$@ 2>&1
@rm -f *.exe *.obj *.pdb
# using TCC for .expect if -dT in FLAGS
GEN = $(if $(findstring -dT,$(FLAGS)),$(GEN-TCC),$(GEN-CC))
GEN-CC = $(CC) -w -std=gnu99 $(FLAGS) $1 -o a.exe && ./a.exe $(ARGS)
GEN-TCC = $(TCC) $(FLAGS) -run $1 $(ARGS)
GEN-MSC = $(MS-CC) $1 && ./$(basename $@).exe
MS-CC = cl
# tell make not to delete
.PRECIOUS: %.expect
# force .expect generation for these files
$(sort $(GEN-ALWAYS) $(UPDATE)) : force
force: