# Makefile for regression testing the GNU debugger.
-# Copyright 1992-2014 Free Software Foundation, Inc.
+# Copyright 1992-2020 Free Software Foundation, Inc.
# This file is part of GDB.
prefix = @prefix@
exec_prefix = @exec_prefix@
abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
target_alias = @target_noncanonical@
program_transform_name = @program_transform_name@
EXEEXT = @EXEEXT@
SUBDIRS = @subdirs@
RPATH_ENVVAR = @RPATH_ENVVAR@
-ALL_SUBDIRS = gdb.ada gdb.arch gdb.asm gdb.base gdb.btrace gdb.cell gdb.cp \
- gdb.disasm gdb.dlang gdb.dwarf2 gdb.fortran gdb.gdb gdb.go gdb.hp \
- gdb.java gdb.linespec gdb.mi gdb.modula2 gdb.multi \
- gdb.objc gdb.opencl gdb.opt gdb.pascal gdb.python gdb.server \
- gdb.stabs gdb.reverse gdb.threads gdb.trace gdb.xml \
- $(SUBDIRS)
-EXPECT = `if [ -f $${rootme}/../../expect/expect ] ; then \
- echo $${rootme}/../../expect/expect ; \
- else echo expect ; fi`
+EXTRA_RULES = @EXTRA_RULES@
+
+CC=@CC@
+
+EXPECT = `if [ "$${READ1}" != "" ] ; then \
+ echo $${rootme}/expect-read1; \
+ elif [ -f $${rootme}/../../expect/expect ] ; then \
+ echo $${rootme}/../../expect/expect ; \
+ else \
+ echo expect ; \
+ fi`
RUNTEST = $(RUNTEST_FOR_TARGET)
FORCE_PARALLEL =
+GDB_DEBUG =
+GDBSERVER_DEBUG =
+
+# Default number of iterations that we will use to run the testsuite
+# if the user does not specify the RACY_ITER environment variable
+# (e.g., when the user calls the make rule directly from the command
+# line).
+DEFAULT_RACY_ITER = 3
+
RUNTEST_FOR_TARGET = `\
if [ -f $${srcdir}/../../dejagnu/runtest ]; then \
echo $${srcdir}/../../dejagnu/runtest; \
"RUNTEST=$(RUNTEST)" \
"RUNTESTFLAGS=$(RUNTESTFLAGS)"
-all:
+all: $(EXTRA_RULES)
@echo "Nothing to be done for all..."
.NOEXPORT:
@echo "set target_alias $(target_alias)" >> ./tmp0
@echo "set target_triplet ${target_canonical}" >> ./tmp0
@echo "set build_triplet ${build_canonical}" >> ./tmp0
- @echo "set srcdir ${srcdir}" >> ./tmp0
+ @echo "set srcdir ${abs_srcdir}" >> ./tmp0
@echo "set tool gdb" >> ./tmp0
@echo 'source $${srcdir}/lib/append_gdb_boards_dir.exp' >> ./tmp0
@echo "## All variables above are generated by configure. Do Not Edit ##" >> ./tmp0
installcheck:
-# See whether -j was given to make. Either it was given with no
-# arguments, and appears as "j" in the first word, or it was given an
-# argument and appears as "-j" in a separate word.
-@GMAKE_TRUE@saw_dash_j = $(or $(findstring j,$(firstword $(MAKEFLAGS))),$(filter -j,$(MAKEFLAGS)))
+# See whether -j was given to make. Before GNU make 4.2, either it was
+# given with no arguments, and appears as "j" in the first word, or it was
+# given an argument and appears as "-j" in a separate word. Starting with
+# GNU make 4.2, it always appears as "-j"/"-jN" in a separate word.
+saw_dash_j = $(or $(findstring j,$(firstword $(MAKEFLAGS))),$(filter -j%,$(MAKEFLAGS)))
-# For GNU make, try to run the tests in parallel if any -j option is
-# given. If RUNTESTFLAGS is not empty, then by default the tests will
-# be serialized. This can be overridden by setting FORCE_PARALLEL to
-# any non-empty value. For a non-GNU make, do not parallelize.
-@GMAKE_TRUE@CHECK_TARGET = $(if $(FORCE_PARALLEL),check-parallel,$(if $(RUNTESTFLAGS),check-single,$(if $(saw_dash_j),check-parallel,check-single)))
-@GMAKE_FALSE@CHECK_TARGET = check-single
+# Try to run the tests in parallel if any -j option is given. If RUNTESTFLAGS
+# is not empty, then by default the tests will be serialized. This can be
+# overridden by setting FORCE_PARALLEL to any non-empty value.
+CHECK_TARGET_TMP = $(if $(FORCE_PARALLEL),check-parallel,$(if $(RUNTESTFLAGS),check-single,$(if $(saw_dash_j),check-parallel,check-single)))
+CHECK_TARGET = $(if $(RACY_ITER),$(addsuffix -racy,$(CHECK_TARGET_TMP)),$(CHECK_TARGET_TMP))
# Note that we must resort to a recursive make invocation here,
# because GNU make 3.82 has a bug preventing MAKEFLAGS from being used
check: all $(abs_builddir)/site.exp
$(MAKE) $(CHECK_TARGET)
+check-read1:
+ $(MAKE) READ1="1" check
+
+# Check whether we need to print the timestamp for each line of
+# status.
+TIMESTAMP = $(if $(TS),| $(srcdir)/print-ts.py $(if $(TS_FORMAT),$(TS_FORMAT),),)
+
+gdb_debug = $(if $(GDB_DEBUG),GDB_DEBUG=$(GDB_DEBUG) ; export GDB_DEBUG ;,)
+gdbserver_debug = $(if $(GDBSERVER_DEBUG),GDBSERVER_DEBUG=$(GDBSERVER_DEBUG) ; export GDBSERVER_DEBUG ;,)
+
+
# All the hair to invoke dejagnu. A given invocation can just append
# $(RUNTESTFLAGS)
DO_RUNTEST = \
rootme=`pwd`; export rootme; \
srcdir=${srcdir} ; export srcdir ; \
EXPECT=${EXPECT} ; export EXPECT ; \
- EXEEXT=${EXEEXT} ; export EXEEXT ; \
+ EXEEXT=${EXEEXT} ; export EXEEXT ; $(gdb_debug) $(gdbserver_debug) \
$(RPATH_ENVVAR)=$$rootme/../../expect:$$rootme/../../libstdc++:$$rootme/../../tk/unix:$$rootme/../../tcl/unix:$$rootme/../../bfd:$$rootme/../../opcodes:$$$(RPATH_ENVVAR); \
export $(RPATH_ENVVAR); \
if [ -f $${rootme}/../../expect/expect ] ; then \
TCL_LIBRARY=$${srcdir}/../../tcl/library ; \
export TCL_LIBRARY ; fi ; \
- $(RUNTEST)
+ $(RUNTEST) --status
+
+# TESTS exists for the user to pass on the command line to easily
+# say "Only run these tests." With check-single it's not necessary, but
+# with check-parallel there's no other way to (easily) specify a subset
+# of tests. For consistency we support it for check-single as well.
+# To specify all tests in a subdirectory, use TESTS=gdb.subdir/*.exp.
+# E.g., make check TESTS="gdb.server/*.exp gdb.threads/*.exp".
+TESTS :=
+
+ifeq ($(strip $(TESTS)),)
+expanded_tests_or_none :=
+else
+expanded_tests := $(patsubst $(srcdir)/%,%,$(wildcard $(addprefix $(srcdir)/,$(TESTS))))
+expanded_tests_or_none := $(or $(expanded_tests),no-matching-tests-found)
+endif
+
+# Shorthand for running all the tests in a single directory.
+check-gdb.%:
+ $(MAKE) check TESTS="gdb.$*/*.exp"
check-single:
- $(DO_RUNTEST) $(RUNTESTFLAGS)
+ $(DO_RUNTEST) $(RUNTESTFLAGS) $(expanded_tests_or_none) $(TIMESTAMP)
+
+check-single-racy:
+ -rm -rf cache racy_outputs temp
+ mkdir -p racy_outputs; \
+ racyiter="$(RACY_ITER)"; \
+ test "x$$racyiter" == "x" && \
+ racyiter=$(DEFAULT_RACY_ITER); \
+ if test $$racyiter -lt 2 ; then \
+ echo "RACY_ITER must be at least 2."; \
+ exit 1; \
+ fi; \
+ trap "exit" INT; \
+ for n in `seq $$racyiter` ; do \
+ mkdir -p racy_outputs/$$n; \
+ $(DO_RUNTEST) --outdir=racy_outputs/$$n $(RUNTESTFLAGS) \
+ $(expanded_tests_or_none) $(TIMESTAMP); \
+ done; \
+ $(srcdir)/analyze-racy-logs.py \
+ `ls racy_outputs/*/gdb.sum` > racy.sum; \
+ sed -n '/=== gdb Summary ===/,$$ p' racy.sum
check-parallel:
-rm -rf cache outputs temp
$(MAKE) -k do-check-parallel; \
- $(SHELL) $(srcdir)/dg-extract-results.sh \
+ result=$$?; \
+ $(SHELL) $(srcdir)/../../contrib/dg-extract-results.sh \
`find outputs -name gdb.sum -print` > gdb.sum; \
- $(SHELL) $(srcdir)/dg-extract-results.sh -L \
- `find outputs -name gdb.log -print` > gdb.log
- @sed -n '/=== gdb Summary ===/,$$ p' gdb.sum
+ $(SHELL) $(srcdir)/../../contrib/dg-extract-results.sh -L \
+ `find outputs -name gdb.log -print` > gdb.log; \
+ sed -n '/=== gdb Summary ===/,$$ p' gdb.sum; \
+ exit $$result
+
+check-parallel-racy:
+ -rm -rf cache racy_outputs temp
+ racyiter="$(RACY_ITER)"; \
+ test "x$$racyiter" == "x" && \
+ racyiter=$(DEFAULT_RACY_ITER); \
+ if test $$racyiter -lt 2 ; then \
+ echo "RACY_ITER must be at least 2."; \
+ exit 1; \
+ fi; \
+ trap "exit" INT; \
+ for n in `seq $$racyiter` ; do \
+ $(MAKE) -k do-check-parallel-racy \
+ RACY_OUTPUT_N=$$n; \
+ $(SHELL) $(srcdir)/../../contrib/dg-extract-results.sh \
+ `find racy_outputs/$$n -name gdb.sum -print` > \
+ racy_outputs/$$n/gdb.sum; \
+ $(SHELL) $(srcdir)/../../contrib/dg-extract-results.sh -L \
+ `find racy_outputs/$$n -name gdb.log -print` > \
+ racy_outputs/$$n/gdb.log; \
+ sed -n '/=== gdb Summary ===/,$$ p' racy_outputs/$$n/gdb.sum; \
+ done; \
+ $(srcdir)/analyze-racy-logs.py \
+ `ls racy_outputs/*/gdb.sum` > racy.sum; \
+ sed -n '/=== gdb Summary ===/,$$ p' racy.sum
# Turn a list of .exp files into "check/" targets. Only examine .exp
# files appearing in a gdb.* directory -- we don't want to pick up
# them to the front of the list to try to lessen the overall time
# taken by the test suite -- if one of these tests happens to be run
# late, it will cause the overall time to increase.
+ifeq ($(strip $(TESTS)),)
slow_tests = gdb.base/break-interp.exp gdb.base/interp.exp \
gdb.base/multi-forks.exp
-@GMAKE_TRUE@all_tests := $(shell cd $(srcdir) && find gdb.* -name '*.exp' -print)
-@GMAKE_TRUE@reordered_tests := $(slow_tests) $(filter-out $(slow_tests),$(all_tests))
-@GMAKE_TRUE@TEST_TARGETS := $(addprefix check/,$(reordered_tests))
+all_tests := $(shell cd $(srcdir) && find gdb.* -name '*.exp' -print)
+reordered_tests := $(slow_tests) $(filter-out $(slow_tests),$(all_tests))
+TEST_TARGETS := $(addprefix $(if $(RACY_ITER),check-racy,check)/,$(reordered_tests))
+else
+TEST_TARGETS := $(addprefix $(if $(RACY_ITER),check-racy,check)/,$(expanded_tests_or_none))
+endif
do-check-parallel: $(TEST_TARGETS)
@:
-@GMAKE_TRUE@check/%.exp:
-@GMAKE_TRUE@ -mkdir -p outputs/$*
-@GMAKE_TRUE@ @$(DO_RUNTEST) GDB_PARALLEL=yes --outdir=outputs/$* $*.exp $(RUNTESTFLAGS)
+check/%.exp:
+ -mkdir -p outputs/$*
+ @$(DO_RUNTEST) GDB_PARALLEL=yes --outdir=outputs/$* $*.exp $(RUNTESTFLAGS) $(TIMESTAMP)
+
+do-check-parallel-racy: $(TEST_TARGETS)
+ @:
+
+check-racy/%.exp:
+ -mkdir -p racy_outputs/$(RACY_OUTPUT_N)/$*
+ $(DO_RUNTEST) GDB_PARALLEL=yes \
+ --outdir=racy_outputs/$(RACY_OUTPUT_N)/$* $*.exp \
+ $(RUNTESTFLAGS) $(TIMESTAMP)
+
+check/no-matching-tests-found:
+ @echo ""
+ @echo "No matching tests found."
+ @echo ""
+
+# Utility rule invoked by step 2 of the build-perf rule.
+workers/%.worker:
+ mkdir -p gdb.perf/outputs/$*
+ $(DO_RUNTEST) --outdir=gdb.perf/outputs/$* lib/build-piece.exp WORKER=$* GDB_PARALLEL=gdb.perf $(RUNTESTFLAGS) GDB_PERFTEST_MODE=compile GDB_PERFTEST_SUBMODE=build-pieces $(TIMESTAMP)
+
+# Utility rule to build tests that support it in parallel.
+# The build is broken into 3 steps distinguished by GDB_PERFTEST_SUBMODE:
+# gen-workers, build-pieces, final.
+#
+# GDB_PERFTEST_MODE appears *after* RUNTESTFLAGS here because we don't want
+# anything in RUNTESTFLAGS to override it.
+#
+# We don't delete the outputs directory here as these programs can take
+# awhile to build, and perftest.exp has support for deciding whether to
+# recompile them. If you want to remove these directories, make clean.
+#
+# The point of step 1 is to construct the set of worker tasks for step 2.
+# All of the information needed by build-piece.exp is contained in the name
+# of the generated .worker file.
+build-perf: $(abs_builddir)/site.exp
+ rm -rf gdb.perf/workers
+ mkdir -p gdb.perf/workers
+ @: Step 1: Generate the build .worker files.
+ $(DO_RUNTEST) --directory=gdb.perf --outdir gdb.perf/workers GDB_PARALLEL=gdb.perf $(RUNTESTFLAGS) GDB_PERFTEST_MODE=compile GDB_PERFTEST_SUBMODE=gen-workers $(TIMESTAMP)
+ @: Step 2: Compile the pieces. Here is the build parallelism.
+ $(MAKE) $$(cd gdb.perf && echo workers/*/*.worker)
+ @: Step 3: Do the final link.
+ $(DO_RUNTEST) --directory=gdb.perf --outdir gdb.perf GDB_PARALLEL=gdb.perf $(RUNTESTFLAGS) GDB_PERFTEST_MODE=compile GDB_PERFTEST_SUBMODE=final $(TIMESTAMP)
+
+# The default is to both compile and run the tests.
+GDB_PERFTEST_MODE = both
check-perf: all $(abs_builddir)/site.exp
@if test ! -d gdb.perf; then mkdir gdb.perf; fi
- $(DO_RUNTEST) --directory=gdb.perf --outdir gdb.perf GDB_PERFTEST_MODE=both $(RUNTESTFLAGS)
+ $(DO_RUNTEST) --directory=gdb.perf --outdir gdb.perf GDB_PERFTEST_MODE=$(GDB_PERFTEST_MODE) $(RUNTESTFLAGS) $(TIMESTAMP)
force:;
clean mostlyclean:
-rm -f *~ core *.o a.out xgdb *.x *.grt bigcore.corefile .gdb_history
- -rm -f core.* *.tf *.cl *.py tracecommandsscript copy1.txt zzz-gdbscript
+ -rm -f core.* *.tf *.cl tracecommandsscript copy1.txt zzz-gdbscript
-rm -f *.dwo *.dwp
-rm -rf outputs temp cache
- if [ x"${ALL_SUBDIRS}" != x ] ; then \
- for dir in ${ALL_SUBDIRS}; \
- do \
- echo "$$dir:"; \
- if [ -d $$dir ]; then \
- (cd $$dir; $(MAKE) clean); \
- fi; \
- done ; \
- else true; fi
+ -rm -rf gdb.perf/workers gdb.perf/outputs gdb.perf/temp gdb.perf/cache
+ -rm -f read1.so expect-read1
distclean maintainer-clean realclean: clean
-rm -f *~ core
-rm -f Makefile config.status *-init.exp
-rm -fr *.log summary detail *.plog *.sum *.psum site.*
- if [ x"${ALL_SUBDIRS}" != x ] ; then \
- for dir in ${ALL_SUBDIRS}; \
- do \
- echo "$$dir:"; \
- if [ -d $$dir ]; then \
- (cd $$dir; $(MAKE) distclean); \
- fi; \
- done ; \
- else true; fi
Makefile : Makefile.in config.status $(host_makefile_frag)
$(SHELL) config.status
TAGS: force
find $(srcdir) -name '*.exp' -print | \
- etags --regex='/proc[ \t]+\([^ \t]+\)/\1/' -
+ etags \
+ --regex='/\(proc\|proc_with_prefix\|gdb_caching_proc\)[ \t]+\([^ \t]+\)/\2/' \
+ -
+
+# Build the expect wrapper script that preloads the read1.so library.
+expect-read1:
+ @echo Making expect-read1
+ @rm -f expect-read1-tmp
+ @touch expect-read1-tmp
+ @echo "# THIS FILE IS GENERATED -*- buffer-read-only: t -*- \n" >>expect-read1-tmp
+ @echo "# vi:set ro: */\n\n" >>expect-read1-tmp
+ @echo "# To regenerate this file, run:\n" >>expect-read1-tmp
+ @echo "# make clean; make/\n" >>expect-read1-tmp
+ @echo "export LD_PRELOAD=`pwd`/read1.so" >>expect-read1-tmp
+ @echo 'exec expect "$$@"' >>expect-read1-tmp
+ @chmod +x expect-read1-tmp
+ @mv expect-read1-tmp expect-read1
+
+# Build the read1.so preload library. This overrides the `read'
+# function, making it read one byte at a time. Running the testsuite
+# with this catches racy tests.
+read1.so: lib/read1.c
+ $(CC) -o $@ ${srcdir}/lib/read1.c -Wall -g -shared -fPIC $(CFLAGS)
+
+# Build the read1 machinery.
+.PHONY: read1
+read1: read1.so expect-read1
+
+# Disable implicit make rules.
+include $(srcdir)/../disable-implicit-rules.mk