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[/] [or1k/] [tags/] [start/] [gdb-5.0/] [sim/] [testsuite/] [lib/] [sim-defs.exp] - Blame information for rev 1765

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Line No. Rev Author Line
1 106 markom
# 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
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    set sim_path [board_info target sim]
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    # Need to return an empty string (copied from GAS).
15
    return ""
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}
17
 
18
# Print the version of the simulator being tested.
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# Required by dejagnu.
20
 
21
proc sim_version {} {
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    global sim_path
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    set version 0.5
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    clone_output "$sim_path $version\n"
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}
26
 
27
# Cover function to target_compile.
28
# Copied from gdb_compile.
29
 
30
proc sim_compile { source dest type options } {
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    set result [target_compile $source $dest $type $options]
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    regsub "\[\r\n\]*$" "$result" "" result
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    regsub "^\[\r\n\]*" "$result" "" result
34
    if { $result != "" } {
35
        clone_output "sim compile output: $result"
36
    }
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    return $result
38
}
39
 
40
# Run a program on the simulator.
41
# Required by dejagnu (at least ${tool}_run used to be).
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#
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# SIM_OPTS are options for the simulator.
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# PROG_OPTS are options passed to the simulated program.
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# At present REDIR must be "" or "> foo".
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# OPTIONS is a list of options internal to this routine.
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# 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
#
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# This is different than the sim_load routine provided by
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# 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
    send_log "$sim $always_opts $SIMFLAGS $sim_opts $prog $prog_opts\n"
113
 
114
    if { "$redir" == "" } {
115
        remote_spawn host "$sim $always_opts $SIMFLAGS $sim_opts $prog $prog_opts"
116
    } else {
117
        remote_spawn host "$sim $always_opts $SIMFLAGS $sim_opts $prog $prog_opts $redir" writeonly
118
    }
119
    set result [remote_wait host $testcase_timeout]
120
 
121
    set return_code [lindex $result 0]
122
    set output [lindex $result 1]
123
    # Remove the \r part of "\r\n" so we don't break all the patterns
124
    # we want to match.
125
    regsub -all -- "\r" $output "" output
126
 
127
    if [is_remote host] {
128
        # clean up after ourselves.
129
        remote_file host delete $prog
130
    }
131
 
132
    # ??? Not sure the test for pass/fail is right.
133
    # We just care that the simulator ran correctly, not whether the simulated
134
    # program return 0 or non-zero from `main'.
135
    set status fail
136
    if { $return_code == 0 } {
137
        set status pass
138
    }
139
 
140
    return [list $status $output]
141
}
142
 
143
# Run testcase NAME.
144
# NAME is either a fully specified file name, or just the file name in which
145
# case $srcdir/$subdir will be prepended.
146
# REQUESTED_MACHS is a list of machines to run the testcase on.  If NAME isn't
147
# for the specified machine(s), it is ignored.
148
# Typically REQUESTED_MACHS contains just one element, it is up to the caller
149
# to iterate over the desired machine variants.
150
#
151
# The file can contain options in the form "# option(mach list): value".
152
# Possibilities:
153
# mach: [all | machine names]
154
# as[(mach-list)]: 
155
# ld[(mach-list)]: 
156
# sim[(mach-list)]: 
157
# output[(mach-list)]: program output pattern to match with string-match
158
# xerror[(mach-list)]: program is expected to return with a "failure" exit code
159
# If `output' is not specified, the program must output "pass" if !xerror or
160
# "fail" if xerror.
161
# The parens in "optname()" are optional if the specification is for all machs.
162
 
163
proc run_sim_test { name requested_machs } {
164
    global subdir srcdir
165
    global SIMFLAGS
166
    global opts
167
 
168
    if [string match "*/*" $name] {
169
        set file $name
170
        set name [file tail $name]
171
    } else {
172
        set file "$srcdir/$subdir/$name"
173
    }
174
 
175
    set opt_array [slurp_options "${file}"]
176
    if { $opt_array == -1 } {
177
        unresolved $subdir/$name
178
        return
179
    }
180
    set opts(as) {}
181
    set opts(ld) {}
182
    set opts(sim) {}
183
    set opts(output) {}
184
    set opts(mach) {}
185
    set opts(timeout) {}
186
    set opts(xerror) "no"
187
 
188
    foreach i $opt_array {
189
        set opt_name [lindex $i 0]
190
        set opt_machs [lindex $i 1]
191
        set opt_val [lindex $i 2]
192
        if ![info exists opts($opt_name)] {
193
            perror "unknown option $opt_name in file $file"
194
            unresolved $subdir/$name
195
            return
196
        }
197
        foreach m $opt_machs {
198
            set opts($opt_name,$m) $opt_val
199
        }
200
        if { "$opt_machs" == "" } {
201
            set opts($opt_name) $opt_val
202
        }
203
    }
204
 
205
    set testname $name
206
    set sourcefile $file
207
    if { $opts(output) == "" } {
208
        if { "$opts(xerror)" == "no" } {
209
            set opts(output) "pass\n"
210
        } else {
211
            set opts(output) "fail\n"
212
        }
213
    }
214
    # Change \n sequences to newline chars.
215
    regsub -all "\\\\n" $opts(output) "\n" opts(output)
216
 
217
    set testcase_machs $opts(mach)
218
    if { "$testcase_machs" == "all" } {
219
        set testcase_machs $requested_machs
220
    }
221
 
222
    foreach mach $testcase_machs {
223
        if { [lsearch $requested_machs $mach] < 0 } {
224
            verbose -log "Skipping $mach version of $name, not requested."
225
            continue
226
        }
227
 
228
        verbose -log "Testing $name on machine $mach."
229
 
230
        if ![info exists opts(as,$mach)] {
231
            set opts(as,$mach) $opts(as)
232
        }
233
 
234
        set comp_output [target_assemble $sourcefile ${name}.o "$opts(as,$mach) -I$srcdir/$subdir"]
235
 
236
        if ![string match "" $comp_output] {
237
            verbose -log "$comp_output" 3
238
            fail "$mach $testname"
239
            continue
240
        }
241
 
242
        if ![info exists opts(ld,$mach)] {
243
            set opts(ld,$mach) $opts(ld)
244
        }
245
 
246
        set comp_output [target_link ${name}.o ${name}.x "$opts(ld,$mach)"]
247
 
248
        if ![string match "" $comp_output] {
249
            verbose -log "$comp_output" 3
250
            fail "$mach $testname"
251
            continue
252
        }
253
 
254
        # If no machine specific options, default to the general version.
255
        if ![info exists opts(sim,$mach)] {
256
            set opts(sim,$mach) $opts(sim)
257
        }
258
 
259
        # Build the options argument.
260
        set options ""
261
        if { "$opts(timeout)" != "" } {
262
            set options "$options timeout=$opts(timeout)"
263
        }
264
 
265
        set result [sim_run ${name}.x "$opts(sim,$mach)" "" "" "$options"]
266
        set status [lindex $result 0]
267
        set output [lindex $result 1]
268
 
269
        if { "$status" == "pass" } {
270
            if { "$opts(xerror)" == "no" } {
271
                if [string match $opts(output) $output] {
272
                    pass "$mach $testname"
273
                } else {
274
                    verbose -log "output:  $output" 3
275
                    verbose -log "pattern: $opts(output)" 3
276
                    fail "$mach $testname"
277
                }
278
            } else {
279
                verbose -log "`pass' return code when expecting failure" 3
280
                fail "$mach $testname"
281
            }
282
        } elseif { "$status" == "fail" } {
283
            if { "$opts(xerror)" == "no" } {
284
                fail "$mach $testname"
285
            } else {
286
                if [string match $opts(output) $output] {
287
                    pass "$mach $testname"
288
                } else {
289
                    verbose -log "output:  $output" 3
290
                    verbose -log "pattern: $opts(output)" 3
291
                    fail "$mach $testname"
292
                }
293
            }
294
        } else {
295
            $status "$mach $testname"
296
        }
297
    }
298
}
299
 
300
# Subroutine of run_sim_test to process options in FILE.
301
 
302
proc slurp_options { file } {
303
    if [catch { set f [open $file r] } x] {
304
        #perror "couldn't open `$file': $x"
305
        perror "$x"
306
        return -1
307
    }
308
    set opt_array {}
309
    # whitespace expression
310
    set ws  {[  ]*}
311
    set nws {[^         ]*}
312
    # whitespace is ignored anywhere except within the options list;
313
    # option names are alphabetic only
314
    set pat "^#${ws}(\[a-zA-Z\]*)\\(?(\[^):\]*)\\)?$ws:${ws}(.*)$ws\$"
315
    # Allow comment as first line of file.
316
    set firstline 1
317
    while { [gets $f line] != -1 } {
318
        set line [string trim $line]
319
        # Whitespace here is space-tab.
320
        if [regexp $pat $line xxx opt_name opt_machs opt_val] {
321
            # match!
322
            lappend opt_array [list $opt_name $opt_machs $opt_val]
323
        } else {
324
            if { ! $firstline } {
325
                break
326
            }
327
        }
328
        set firstline 0
329
    }
330
    close $f
331
    return $opt_array
332
}

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