summaryrefslogtreecommitdiff
path: root/gdb/gdb_mbuild.sh
blob: ca667ac64dfd5ea70aedfd393a818a932d3a698f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
#!/bin/sh

#  Multi-build script for testing compilation of all maintained
#  configs of GDB.

#  Copyright (C) 2002, 2003, 2007, 2008, 2009, 2010
#  Free Software Foundation, Inc.

#  Contributed by Richard Earnshaw  (rearnsha@arm.com)

#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 3 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program.  If not, see <http://www.gnu.org/licenses/>.

# Make certain that the script is not running in an internationalized
# environment.
LANG=c ; export LANG
LC_ALL=c ; export LC_ALL

usage()
{
    cat <<EOF
Usage: gdb_mbuild.sh [ <options> ... ] <srcdir> <builddir>
 Options:
   -j <makejobs>  Run <makejobs> in parallel.  Passed to make.
	          On a single cpu machine, 2 is recommended.
   -k             Keep going.  Do not stop after the first build fails.
   --keep         Keep builds.  Do not remove each build when finished.
   -e <regexp>    Regular expression for selecting the targets to build.
   -f             Force rebuild.  Even rebuild previously built directories.
   -v             Be more (and more, and more) verbose.
 Arguments:
   <srcdir>       Source code directory.
   <builddir>     Build directory.
 Environment variables examined (with default if not defined):
   MAKE (make)"
EOF
    exit 1;
cat <<NOTYET
  -b <maxbuilds> Run <maxbuild> builds in parallel.
		 On a single cpu machine, 1 is recommended.
NOTYET
}

### COMMAND LINE OPTIONS

makejobs=
maxbuilds=1
keepgoing=
force=false
targexp=""
verbose=0
keep=false
while test $# -gt 0
do
    case "$1" in
    -j )
	# Number of parallel make jobs.
	shift
	test $# -ge 1 || usage
	makejobs="-j $1"
	;;
    -b | -c )
	# Number of builds to fire off in parallel.
	shift
	test $# -ge 1 || usage
	maxbuilds=$1
	;;
    -k )
	# Should we soldier on after the first build fails?
	keepgoing=-k
	;;
    --keep )
        keep=true
	;;
    -e )
	# A regular expression for selecting targets
	shift
	test $# -ge 1 || usage
	targexp="${targexp} -e ${1}"
	;;
    -f )
	# Force a rebuild
	force=true ;
	;;
    -v )
	# Be more, and more, and more, verbose
	verbose=`expr ${verbose} + 1`
	;;
    -* ) usage ;;
    *) break ;;
    esac
    shift
done


### COMMAND LINE PARAMETERS

if test $# -ne 2
then
    usage
fi

# Convert these to absolute directory paths.

# Where the sources live
srcdir=`cd $1 && /bin/pwd` || exit 1

# Where the builds occur
builddir=`cd $2 && /bin/pwd` || exit 1

### ENVIRONMENT PARAMETERS

# Version of make to use
make=${MAKE:-make}
MAKE=${make}
export MAKE


# Where to look for the list of targets to test
maintainers=${srcdir}/gdb/MAINTAINERS
if [ ! -r ${maintainers} ]
then
    echo Maintainers file ${maintainers} not found
    exit 1
fi

# Get the list of targets and the build options
alltarg=`cat ${maintainers} | tr -s '[\t]' '[ ]' | sed -n '
/^[ ]*[-a-z0-9\.]*[ ]*[(]*--target=.*/ !d
s/^.*--target=//
s/).*$//
h
:loop
  g
  /^[^ ]*,/ !b end
  s/,[^ ]*//
  p
  g
  s/^[^,]*,//
  h
b loop
:end
p
' | if test "${targexp}" = ""
then
    grep -v -e broken -e OBSOLETE
else
    grep ${targexp}
fi`


# Usage: fail <message> <test-that-should-succeed>.  Should the build
# fail?  If the test is true, and we don't want to keep going, print
# the message and shoot everything in sight and abort the build.

fail ()
{
    msg="$1" ; shift
    if test "$@"
    then
	echo "${target}: ${msg}"
	if test "${keepgoing}" != ""
	then
	    #exit 1
	    continue
	else
	    kill $$
	    exit 1
	fi
    fi
}


# Usage: log <level> <logfile>.  Write standard input to <logfile> and
# stdout (if verbose >= level).

log ()
{
    if test ${verbose} -ge $1
    then
	tee $2
    else
	cat > $2
    fi
}



# Warn the user of what is comming, print the list of targets

echo "$alltarg"
echo ""


# For each target, configure, build and test it.

echo "$alltarg" | while read target gdbopts simopts
do

    trap "exit 1"  1 2 15
    dir=${builddir}/${target}

    # Should a scratch rebuild be forced, for perhaps the entire
    # build be skipped?

    if ${force}
    then
	echo forcing ${target} ...
	rm -rf ${dir}
    elif test -f ${dir}
    then
	echo "${target}"
	continue
    else
	echo ${target} ...
    fi

    # Did the previous configure attempt fail?  If it did
    # restart from scratch.

    if test -d ${dir} -a ! -r ${dir}/Makefile
    then
	echo ... removing partially configured ${target}
	rm -rf ${dir}
	if test -d ${dir}
	then
	    echo "${target}: unable to remove directory ${dir}"
	    exit 1
	fi
    fi

    # From now on, we're in this target's build directory

    mkdir -p ${dir}
    cd ${dir} || exit 1

    # Configure, if not already.  Should this go back to being
    # separate and done in parallel?

    if test ! -r Makefile
    then
	# Default SIMOPTS to GDBOPTS.
	test -z "${simopts}" && simopts="${gdbopts}"
	# The config options
	__target="--target=${target}"
	__enable_gdb_build_warnings=`test -z "${gdbopts}" \
	    || echo "--enable-gdb-build-warnings=${gdbopts}"`
	__enable_sim_build_warnings=`test -z "${simopts}" \
	    || echo "--enable-sim-build-warnings=${simopts}"`
	__configure="${srcdir}/configure \
	    ${__target} \
	    ${__enable_gdb_build_warnings} \
	    ${__enable_sim_build_warnings}"
	echo ... ${__configure}
	trap "echo Removing partially configured ${dir} directory ...; rm -rf ${dir}; exit 1" 1 2 15
	${__configure} 2>&1 | log 2 Config.log
	trap "exit 1"  1 2 15
    fi
    fail "configure failed" ! -r Makefile
 
    # Build, if not built.

    if test ! -x gdb/gdb -a ! -x gdb/gdb.exe
    then
	# Iff the build fails remove the final build target so that
	# the follow-on code knows things failed.  Stops the follow-on
	# code thinking that a failed rebuild succedded (executable
	# left around from previous build).
	echo ... ${make} ${keepgoing} ${makejobs} ${target}
	( ${make} ${keepgoing} ${makejobs} all-gdb || rm -f gdb/gdb gdb/gdb.exe
	) 2>&1 | log 1 Build.log
    fi
    fail "compile failed" ! -x gdb/gdb -a ! -x gdb/gdb.exe
 
    # Check that the built GDB can at least print it's architecture.

    echo ... run ${target}
    rm -f core gdb.core ${dir}/gdb/x
    cat <<EOF > x
maint print architecture
quit
EOF
    ./gdb/gdb -batch -nx -x x 2>&1 | log 1 Gdb.log
    fail "gdb dumped core" -r core -o -r gdb.core
    fail "gdb printed no output" ! -s Gdb.log
    grep -e internal-error Gdb.log && fail "gdb panic" 1

    echo ... cleanup ${target}

    # Create a sed script that cleans up the output from GDB.
    rm -f mbuild.sed
    touch mbuild.sed || exit 1
    # Rules to replace <0xNNNN> with the corresponding function's
    # name.
    sed -n -e '/<0x0*>/d' -e 's/^.*<0x\([0-9a-f]*\)>.*$/0x\1/p' Gdb.log \
    | sort -u \
    | while read addr
    do
	func="`addr2line -f -e ./gdb/gdb -s ${addr} | sed -n -e 1p`"
	test ${verbose} -gt 0 && echo "${addr} ${func}" 1>&2
	echo "s/<${addr}>/<${func}>/g"
    done >> mbuild.sed
    # Rules to strip the leading paths off of file names.
    echo 's/"\/.*\/gdb\//"gdb\//g' >> mbuild.sed
    # Run the script
    sed -f mbuild.sed Gdb.log > Mbuild.log

    # Replace the build directory with a file as semaphore that stops
    # a rebuild. (should the logs be saved?)

    cd ${builddir}

    if ${keep}
    then
	:
    else
	rm -f ${target}.tmp
	mv ${target}/Mbuild.log ${target}.tmp
	rm -rf ${target}
	mv ${target}.tmp ${target}
    fi

    # Success!
    echo ... ${target} built

done

exit 0