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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [sim/] [testsuite/] [lib/] [sim-defs.exp] - Blame information for rev 828

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Line No. Rev Author Line
1 227 jeremybenn
# Simulator dejagnu utilities.
2
 
3
# Communicate simulator path from sim_init to sim_version.
4
# For some reason [board_info target sim] doesn't work in sim_version.
5
# [Presumubly because the target has been "popped" by then.  Odd though.]
6
set sim_path "unknown-run"
7
 
8
# Initialize the testrun.
9
# Required by dejagnu.
10
 
11
proc sim_init { args } {
12
    global sim_path
13
    set sim_path [board_info target sim]
14
    # Need to return an empty string (copied from GAS).
15
    return ""
16
}
17
 
18
# Print the version of the simulator being tested.
19
# Required by dejagnu.
20
 
21
proc sim_version {} {
22
    global sim_path
23
    set version 0.5
24
    clone_output "$sim_path $version\n"
25
}
26
 
27
# Cover function to target_compile.
28
# Copied from gdb_compile.
29
 
30
proc sim_compile { source dest type options } {
31
    set result [target_compile $source $dest $type $options]
32
    regsub "\[\r\n\]*$" "$result" "" result
33
    regsub "^\[\r\n\]*" "$result" "" result
34
    if { $result != "" } {
35
        clone_output "sim compile output: $result"
36
    }
37
    return $result
38
}
39
 
40
# Run a program on the simulator.
41
# Required by dejagnu (at least ${tool}_run used to be).
42
#
43
# SIM_OPTS are options for the simulator.
44
# PROG_OPTS are options passed to the simulated program.
45
# At present REDIR must be "" or "> foo".
46
# OPTIONS is a list of options internal to this routine.
47
# This is modelled after target_compile.  We want to be able to add new
48
# options without having to update all our users.
49
# Currently:
50
#       env(foo)=val    - set environment variable foo to val for this run
51
#       timeout=val     - set the timeout to val for this run
52
#
53
# The result is a list of two elements.
54
# The first is one of pass/fail/etc.
55
# The second is the program's output.
56
#
57
# This is different than the sim_load routine provided by
58
# dejagnu/config/sim.exp.  It's not clear how to pass arguments to the
59
# simulator (not the simulated program, the simulator) with sim_load.
60
 
61
proc sim_run { prog sim_opts prog_opts redir options } {
62
    global SIMFLAGS
63
 
64
    # Set the default value of the timeout.
65
    # FIXME: The timeout value we actually want is a function of
66
    # host, target, and testcase.
67
    set testcase_timeout [board_info target sim_time_limit]
68
    if { "$testcase_timeout" == "" } {
69
        set testcase_timeout [board_info host testcase_timeout]
70
    }
71
    if { "$testcase_timeout" == "" } {
72
        set testcase_timeout 240 ;# 240 same as in dejagnu/config/sim.exp.
73
    }
74
 
75
    # Initial the environment we pass to the testcase.
76
    set testcase_env ""
77
 
78
    # Process OPTIONS ...
79
    foreach o $options {
80
        if [regexp {^env\((.*)\)=(.*)} $o full var val] {
81
            set testcase_env "$testcase_env $var=$val"
82
        } elseif [regexp {^timeout=(.*)} $o full val] {
83
            set testcase_timeout $val
84
        }
85
 
86
    }
87
 
88
    verbose "testcase timeout is set to $testcase_timeout" 1
89
 
90
    set sim [board_info target sim]
91
 
92
    if [is_remote host] {
93
        set prog [remote_download host $prog]
94
        if { $prog == "" } {
95
            error "download failed"
96
            return -1
97
        }
98
    }
99
 
100
    set board [target_info name]
101
    if [board_info $board exists sim,options] {
102
        set always_opts [board_info $board sim,options]
103
    } else {
104
        set always_opts ""
105
    }
106
 
107
    # FIXME: this works for UNIX only
108
    if { "$testcase_env" != "" } {
109
        set sim "env $testcase_env $sim"
110
    }
111
 
112
    if { [board_info target sim,protocol] == "sid" } {
113
        set cmd ""
114
        set sim_opts "$sim_opts -e \"set cpu-loader file [list ${prog}]\""
115
    } else {
116
        set cmd "$prog"
117
    }
118
 
119
    send_log "$sim $always_opts $SIMFLAGS $sim_opts $cmd $prog_opts\n"
120
 
121
    if { "$redir" == "" } {
122
        remote_spawn host "$sim $always_opts $SIMFLAGS $sim_opts $cmd $prog_opts"
123
    } else {
124
        remote_spawn host "$sim $always_opts $SIMFLAGS $sim_opts $cmd $prog_opts $redir" writeonly
125
    }
126
    set result [remote_wait host $testcase_timeout]
127
 
128
    set return_code [lindex $result 0]
129
    set output [lindex $result 1]
130
    # Remove the \r part of "\r\n" so we don't break all the patterns
131
    # we want to match.
132
    regsub -all -- "\r" $output "" output
133
 
134
    if [is_remote host] {
135
        # clean up after ourselves.
136
        remote_file host delete $prog
137
    }
138
 
139
    # ??? Not sure the test for pass/fail is right.
140
    # We just care that the simulator ran correctly, not whether the simulated
141
    # program return 0 or non-zero from `main'.
142
    set status fail
143
    if { $return_code == 0 } {
144
        set status pass
145
    }
146
 
147
    return [list $status $output]
148
}
149
 
150
# Run testcase NAME.
151
# NAME is either a fully specified file name, or just the file name in which
152
# case $srcdir/$subdir will be prepended.
153
# REQUESTED_MACHS is a list of machines to run the testcase on.  If NAME isn't
154
# for the specified machine(s), it is ignored.
155
# Typically REQUESTED_MACHS contains just one element, it is up to the caller
156
# to iterate over the desired machine variants.
157
#
158
# The file can contain options in the form "# option(mach list): value".
159
# Possibilities:
160
# mach: [all | machine names]
161
# as[(mach-list)]: 
162
# ld[(mach-list)]: 
163
# sim[(mach-list)]: 
164
# progopts: 
165
# output: program output pattern to match with string-match
166
# xerror: program is expected to return with a "failure" exit code
167
# xfail:  
168
# kfail:  
169
# If `output' is not specified, the program must output "pass" if !xerror or
170
# "fail" if xerror.
171
# The parens in "optname()" are optional if the specification is for all machs.
172
# Multiple "output", "xfail" and "kfail" options concatenate.
173
# The xfail and kfail arguments are space-separated target triplets and PRIDs.
174
# There must be a PRMS (bug report ID) specified for kfail, while it's
175
# optional for xfail.
176
 
177
proc run_sim_test { name requested_machs } {
178
    global subdir srcdir
179
    global SIMFLAGS
180
    global opts
181
    global cpu_option
182
    global global_as_options
183
    global global_ld_options
184
    global global_sim_options
185
 
186
    if [string match "*/*" $name] {
187
        set file $name
188
        set name [file tail $name]
189
    } else {
190
        set file "$srcdir/$subdir/$name"
191
    }
192
 
193
    set opt_array [slurp_options "${file}"]
194
    if { $opt_array == -1 } {
195
        unresolved $subdir/$name
196
        return
197
    }
198
    # Clear default options
199
    set opts(as) ""
200
    set opts(ld) ""
201
    set opts(progopts) ""
202
    set opts(sim) ""
203
    set opts(output) ""
204
    set opts(mach) ""
205
    set opts(timeout) ""
206
    set opts(xerror) "no"
207
    set opts(xfail) ""
208
    set opts(kfail) ""
209
 
210
    if ![info exists global_as_options] {
211
        set global_as_options ""
212
    }
213
    if ![info exists global_ld_options] {
214
        set global_ld_options ""
215
    }
216
    if ![info exists global_sim_options] {
217
        set global_sim_options ""
218
    }
219
 
220
    # Clear any machine specific options specified in a previous test case
221
    foreach m $requested_machs {
222
        if [info exists opts(as,$m)] {
223
            unset opts(as,$m)
224
        }
225
        if [info exists opts(ld,$m)] {
226
            unset opts(ld,$m)
227
        }
228
        if [info exists opts(sim,$m)] {
229
            unset opts(sim,$m)
230
        }
231
    }
232
 
233
    foreach i $opt_array {
234
        set opt_name [lindex $i 0]
235
        set opt_machs [lindex $i 1]
236
        set opt_val [lindex $i 2]
237
        if ![info exists opts($opt_name)] {
238
            perror "unknown option $opt_name in file $file"
239
            unresolved $subdir/$name
240
            return
241
        }
242
        # Multiple "output" specifications concatenate, they don't override.
243
        if { $opt_name == "output" } {
244
            set opt_val "$opts(output)$opt_val"
245
        }
246
        # Similar with "xfail" and "kfail", but arguments are space-separated.
247
        if { $opt_name == "xfail" || $opt_name == "kfail" } {
248
            set opt_val "$opts($opt_name) $opt_val"
249
        }
250
 
251
        foreach m $opt_machs {
252
            set opts($opt_name,$m) $opt_val
253
        }
254
        if { "$opt_machs" == "" } {
255
            set opts($opt_name) $opt_val
256
        }
257
    }
258
 
259
    set testname $name
260
    set sourcefile $file
261
    if { $opts(output) == "" } {
262
        if { "$opts(xerror)" == "no" } {
263
            set opts(output) "pass\n"
264
        } else {
265
            set opts(output) "fail\n"
266
        }
267
    }
268
    # Change \n sequences to newline chars.
269
    regsub -all "\\\\n" $opts(output) "\n" opts(output)
270
 
271
    set testcase_machs $opts(mach)
272
    if { "$testcase_machs" == "all" } {
273
        set testcase_machs $requested_machs
274
    }
275
 
276
    foreach mach $testcase_machs {
277
        if { [lsearch $requested_machs $mach] < 0 } {
278
            verbose -log "Skipping $mach version of $name, not requested."
279
            continue
280
        }
281
 
282
        verbose -log "Testing $name on machine $mach."
283
 
284
        # Time to setup xfailures and kfailures.
285
        if { "$opts(xfail)" != "" } {
286
            verbose -log "xfail: $opts(xfail)"
287
            # Using eval to make $opts(xfail) appear as individual
288
            # arguments.
289
            eval setup_xfail $opts(xfail)
290
        }
291
        if { "$opts(kfail)" != "" } {
292
            verbose -log "kfail: $opts(kfail)"
293
            eval setup_kfail $opts(kfail)
294
        }
295
 
296
        if ![info exists opts(as,$mach)] {
297
            set opts(as,$mach) $opts(as)
298
        }
299
 
300
        set as_options "$opts(as,$mach) -I$srcdir/$subdir"
301
        if [info exists cpu_option] {
302
            set as_options "$as_options $cpu_option=$mach"
303
        }
304
        set comp_output [target_assemble $sourcefile ${name}.o "$as_options $global_as_options"]
305
 
306
        if ![string match "" $comp_output] {
307
            verbose -log "$comp_output" 3
308
            fail "$mach $testname (assembling)"
309
            continue
310
        }
311
 
312
        if ![info exists opts(ld,$mach)] {
313
            set opts(ld,$mach) $opts(ld)
314
        }
315
 
316
        set comp_output [target_link ${name}.o ${name}.x "$opts(ld,$mach) $global_ld_options"]
317
 
318
        if ![string match "" $comp_output] {
319
            verbose -log "$comp_output" 3
320
            fail "$mach $testname (linking)"
321
            continue
322
        }
323
 
324
        # If no machine specific options, default to the general version.
325
        if ![info exists opts(sim,$mach)] {
326
            set opts(sim,$mach) $opts(sim)
327
        }
328
 
329
        # Build the options argument.
330
        set options ""
331
        if { "$opts(timeout)" != "" } {
332
            set options "$options timeout=$opts(timeout)"
333
        }
334
 
335
        set result [sim_run ${name}.x "$opts(sim,$mach) $global_sim_options" "$opts(progopts)" "" "$options"]
336
        set status [lindex $result 0]
337
        set output [lindex $result 1]
338
 
339
        if { "$status" == "pass" } {
340
            if { "$opts(xerror)" == "no" } {
341
                if [string match $opts(output) $output] {
342
                    pass "$mach $testname"
343
                    file delete ${name}.o ${name}.x
344
                } else {
345
                    verbose -log "output:  $output" 3
346
                    verbose -log "pattern: $opts(output)" 3
347
                    fail "$mach $testname (execution)"
348
                }
349
            } else {
350
                verbose -log "`pass' return code when expecting failure" 3
351
                fail "$mach $testname (execution)"
352
            }
353
        } elseif { "$status" == "fail" } {
354
            if { "$opts(xerror)" == "no" } {
355
                fail "$mach $testname (execution)"
356
            } else {
357
                if [string match $opts(output) $output] {
358
                    pass "$mach $testname"
359
                    file delete ${name}.o ${name}.x
360
                } else {
361
                    verbose -log "output:  $output" 3
362
                    verbose -log "pattern: $opts(output)" 3
363
                    fail "$mach $testname (execution)"
364
                }
365
            }
366
        } else {
367
            $status "$mach $testname"
368
        }
369
    }
370
}
371
 
372
# Subroutine of run_sim_test to process options in FILE.
373
 
374
proc slurp_options { file } {
375
    if [catch { set f [open $file r] } x] {
376
        #perror "couldn't open `$file': $x"
377
        perror "$x"
378
        return -1
379
    }
380
    set opt_array {}
381
    # whitespace expression
382
    set ws  {[  ]*}
383
    set nws {[^         ]*}
384
    # whitespace is ignored anywhere except within the options list;
385
    # option names are alphabetic only
386
    set pat "^#${ws}(\[a-zA-Z\]*)\\(?(\[^):\]*)\\)?$ws:${ws}(.*)$ws\$"
387
    # Allow arbitrary lines until the first option is seen.
388
    set seen_opt 0
389
    while { [gets $f line] != -1 } {
390
        set line [string trim $line]
391
        # Whitespace here is space-tab.
392
        if [regexp $pat $line xxx opt_name opt_machs opt_val] {
393
            # match!
394
            lappend opt_array [list $opt_name $opt_machs $opt_val]
395
            set seen_opt 1
396
        } else {
397
            if { $seen_opt } {
398
                break
399
            }
400
        }
401
    }
402
    close $f
403
    return $opt_array
404
}

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