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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [gdb/] [testsuite/] [gdb.base/] [ena-dis-br.exp] - Blame information for rev 842

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Line No. Rev Author Line
1 227 jeremybenn
# This testcase is part of GDB, the GNU debugger.
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# Copyright 1997, 1998, 1999, 2003, 2004, 2007, 2008, 2009, 2010
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# Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program.  If not, see .
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if $tracelevel then {
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    strace $tracelevel
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}
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23
global usestubs
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25
#
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# test running programs
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#
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set prms_id 0
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set bug_id 0
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set testfile "break"
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set srcfile ${testfile}.c
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set srcfile1 ${testfile}1.c
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set binfile ${objdir}/${subdir}/${testfile}
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if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}0.o" object {debug nowarnings}] != "" } {
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     untested ena-dis-br.exp
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     return -1
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}
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if  { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile}1.o" object {debug nowarnings}] != "" } {
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     untested ena-dis-br.exp
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     return -1
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}
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if  { [gdb_compile "${binfile}0.o ${binfile}1.o" "${binfile}" executable {debug nowarnings}] != "" } {
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     untested ena-dis-br.exp
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     return -1
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}
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51
gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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56
set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
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set bp_location8 [gdb_get_line_number "set breakpoint 8 here" $srcfile1]
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set bp_location9 [gdb_get_line_number "set breakpoint 9 here" $srcfile1]
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set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]
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set bp_location13 [gdb_get_line_number "set breakpoint 13 here" $srcfile1]
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set bp_location14 [gdb_get_line_number "set breakpoint 14 here" $srcfile1]
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set bp_location15 [gdb_get_line_number "set breakpoint 15 here" $srcfile1]
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set bp_location16 [gdb_get_line_number "set breakpoint 16 here" $srcfile1]
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set bp_location17 [gdb_get_line_number "set breakpoint 17 here" $srcfile1]
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set bp_location18 [gdb_get_line_number "set breakpoint 18 here" $srcfile1]
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if ![runto_main] then { fail "enable/disable break tests suppressed" }
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# Verify that we can set a breakpoint (the location is irrelevant),
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# then enable it (yes, it's already enabled by default), then hit it.
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proc break_at { breakpoint where } {
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    global gdb_prompt
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    global expect_out
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    set test "break $breakpoint"
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    set bp 0
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    gdb_test_multiple "$test" "$test" {
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        -re "Breakpoint (\[0-9\]*) at .*$where.*$gdb_prompt $" {
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            set bp $expect_out(1,string)
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            pass "$test"
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        }
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    }
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    return $bp
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}
86
 
87
set bp [break_at "marker1" " line ($bp_location15|$bp_location16)"]
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89
gdb_test "enable $bp" "" "enable break marker1"
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91
gdb_test "info break $bp" \
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    "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+y.*" \
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    "info break marker1"
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# See the comments in condbreak.exp for "run until breakpoint at
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# marker1" for an explanation of the xfail below.
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set test "continue to break marker1"
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gdb_test_multiple "continue" "$test" {
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    -re "Breakpoint \[0-9\]*, marker1.*$gdb_prompt $" {
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        pass "$test"
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    }
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    -re "Breakpoint \[0-9\]*, $hex in marker1.*$gdb_prompt $" {
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        xfail "$test"
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    }
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}
106
 
107
gdb_test "delete $bp" "" "delete break marker1"
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109
# Verify that we can set a breakpoint to be self-disabling after the
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# first time it triggers.
111
set bp [break_at "marker2" " line ($bp_location8|$bp_location9)"]
112
 
113
gdb_test "enable once $bp" "" "enable once break marker2"
114
 
115
gdb_test "info break $bp" \
116
    "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+dis\[ \t\]+y.*" \
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    "info auto-disabled break marker2"
118
 
119
# See the comments in condbreak.exp for "run until breakpoint at
120
# marker1" for an explanation of the xfail below.
121
set test "continue to auto-disabled break marker2"
122
gdb_test_multiple "continue" "$test" {
123
    -re "Breakpoint \[0-9\]*, marker2.*$gdb_prompt $" {
124
        pass "$test"
125
    }
126
    -re "Breakpoint \[0-9\]*, $hex in marker2.*$gdb_prompt $" {
127
        xfail "$test"
128
    }
129
}
130
 
131
gdb_test "info break $bp" \
132
    "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+dis\[ \t\]+n.*" \
133
    "info auto-disabled break marker2"
134
 
135
# Verify that we don't stop at a disabled breakpoint.
136
gdb_continue_to_end "no stop"
137
rerun_to_main
138
gdb_continue_to_end "no stop at auto-disabled break marker2"
139
 
140
# Verify that we can set a breakpoint to be self-deleting after the
141
# first time it triggers.
142
if ![runto_main] then {
143
    fail "enable/disable break tests suppressed"
144
}
145
 
146
set bp [break_at "marker3" " line ($bp_location17|$bp_location18)"]
147
 
148
gdb_test "enable del $bp" "" "enable del break marker3"
149
 
150
gdb_test "info break $bp" \
151
    "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+del\[ \t\]+y.*" \
152
    "info auto-deleted break marker2"
153
 
154
gdb_test "continue" \
155
    ".*marker3 .*:($bp_location17|$bp_location18).*" \
156
    "continue to auto-deleted break marker3"
157
 
158
gdb_test "info break $bp" \
159
    ".*No breakpoint or watchpoint number.*" \
160
    "info auto-deleted break marker3"
161
 
162
# Verify that we can set a breakpoint and manually disable it (we've
163
# already proven that disabled bp's don't trigger).
164
 
165
set bp [break_at "marker4" " line ($bp_location14|$bp_location13).*"]
166
 
167
gdb_test "disable $bp" "" "disable break marker4"
168
 
169
gdb_test "info break $bp" \
170
    "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+n.*" \
171
    "info break marker4"
172
 
173
# Verify that we can set a breakpoint with an ignore count N, which
174
# should cause the next N triggers of the bp to be ignored.  (This is
175
# a flavor of enablement/disablement, after all.)
176
 
177
if ![runto_main] then {
178
    fail "enable/disable break tests suppressed"
179
}
180
 
181
set bp [break_at "marker1" " line ($bp_location15|$bp_location16).*"]
182
 
183
# Verify that an ignore of a non-existent breakpoint is gracefully
184
# handled.
185
 
186
gdb_test "ignore 999 2" \
187
    "No breakpoint number 999..*" \
188
    "ignore non-existent break"
189
 
190
# Verify that a missing ignore count is gracefully handled.
191
 
192
gdb_test "ignore $bp" \
193
    "Second argument .specified ignore-count. is missing..*" \
194
    "ignore break with missing ignore count"
195
 
196
# Verify that a negative or zero ignore count is handled gracefully
197
# (they both are treated the same).
198
 
199
gdb_test "ignore $bp -1" \
200
    "Will stop next time breakpoint \[0-9\]* is reached..*" \
201
    "ignore break marker1 -1"
202
 
203
gdb_test "ignore $bp 0" \
204
    "Will stop next time breakpoint \[0-9\]* is reached..*" \
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    "ignore break marker1 0"
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207
gdb_test "ignore $bp 1" \
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    "Will ignore next crossing of breakpoint \[0-9\]*.*" \
209
    "ignore break marker1"
210
 
211
gdb_test "info break $bp" \
212
    "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+y.*ignore next 1 hits.*" \
213
    "info ignored break marker1"
214
 
215
gdb_continue_to_end "no stop at ignored break marker1"
216
rerun_to_main
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218
# See the comments in condbreak.exp for "run until breakpoint at marker1"
219
# for an explanation of the xfail below.
220
set test "continue to break marker1, 2nd time"
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gdb_test_multiple "continue" "$test" {
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    -re "Breakpoint \[0-9\]*, marker1.*$gdb_prompt $" {
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        pass "continue to break marker1, 2nd time"
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    }
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    -re "Breakpoint \[0-9\]*, $hex in marker1.*$gdb_prompt $" {
226
        xfail "continue to break marker1, 2nd time"
227
    }
228
}
229
 
230
# Verify that we can specify both an ignore count and an auto-delete.
231
 
232
if ![runto_main] then {
233
    fail "enable/disable break tests suppressed"
234
}
235
 
236
set bp [break_at marker1 " line ($bp_location15|$bp_location16).*"]
237
 
238
gdb_test "ignore $bp 1" \
239
    "Will ignore next crossing of breakpoint \[0-9\]*.*" \
240
    "ignore break marker1"
241
 
242
gdb_test "enable del $bp" "" "enable del break marker1"
243
 
244
gdb_test "info break $bp" \
245
    "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+del\[ \t\]+y.*ignore next 1 hits.*" \
246
    "info break marker1"
247
 
248
gdb_continue_to_end "no stop at ignored & auto-deleted break marker1"
249
rerun_to_main
250
 
251
gdb_test "continue" \
252
    ".*marker1 .*:($bp_location15|$bp_location16).*" \
253
    "continue to ignored & auto-deleted break marker1"
254
 
255
# Verify that a disabled breakpoint's ignore count isn't updated when
256
# the bp is encountered.
257
 
258
if ![runto_main] then {
259
    fail "enable/disable break tests suppressed"
260
}
261
 
262
set bp [break_at marker1 " line ($bp_location15|$bp_location16)"]
263
 
264
gdb_test "ignore $bp 10" \
265
    "Will ignore next 10 crossings of breakpoint \[0-9\]*.*" \
266
    "ignore break marker1"
267
 
268
gdb_test "disable $bp" "" "disable break marker1"
269
 
270
gdb_continue_to_end "no stop at ignored & disabled break marker1"
271
rerun_to_main
272
 
273
gdb_test "info break $bp" \
274
    "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+n.*ignore next 10 hits.*" \
275
    "info ignored & disabled break marker1"
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277
# Verify that GDB correctly handles the "continue" command with an argument,
278
# which is an ignore count to set on the currently stopped-at breakpoint.
279
# (Also verify that GDB gracefully handles the case where the inferior
280
# isn't stopped at a breakpoint.)
281
#
282
if ![runto_main] then { fail "enable/disable break tests suppressed" }
283
 
284
gdb_test "break $bp_location1" \
285
    "Breakpoint \[0-9\]*.*, line $bp_location1.*" \
286
    "prepare to continue with ignore count"
287
 
288
gdb_test "continue 2" \
289
    "Will ignore next crossing of breakpoint \[0-9\]*.  Continuing..*" \
290
    "continue with ignore count"
291
 
292
gdb_test "next" ".*$bp_location11\[ \t\]*marker1.*" \
293
    step after continue with ignore count"
294
 
295
set test "continue with ignore count, not stopped at bpt"
296
gdb_test_multiple "continue 2" "$test" {
297
    -re "Not stopped at any breakpoint; argument ignored.*$gdb_prompt $" {
298
        pass "$test"
299
    }
300
    -re "No breakpoint number -1.*$gdb_prompt $" {
301
        kfail gdb/1689 "$test"
302
    }
303
}
304
 
305
gdb_exit
306
return 0

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