1# This testcase is part of GDB, the GNU debugger. 2 3# Copyright 1997-2014 Free Software Foundation, Inc. 4 5# This program is free software; you can redistribute it and/or modify 6# it under the terms of the GNU General Public License as published by 7# the Free Software Foundation; either version 3 of the License, or 8# (at your option) any later version. 9# 10# This program is distributed in the hope that it will be useful, 11# but WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13# GNU General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with this program. If not, see <http://www.gnu.org/licenses/>. 17 18# 19# test running programs 20# 21 22standard_testfile break.c break1.c 23 24if {[prepare_for_testing ${testfile}.exp ${testfile} \ 25 [list $srcfile $srcfile2] {debug nowarnings}]} { 26 return -1 27} 28 29set bp_location1 [gdb_get_line_number "set breakpoint 1 here"] 30set bp_location7 [gdb_get_line_number "set breakpoint 7 here"] 31set bp_location8 [gdb_get_line_number "set breakpoint 8 here" $srcfile2] 32set bp_location9 [gdb_get_line_number "set breakpoint 9 here" $srcfile2] 33set bp_location11 [gdb_get_line_number "set breakpoint 11 here"] 34set bp_location13 [gdb_get_line_number "set breakpoint 13 here" $srcfile2] 35set bp_location14 [gdb_get_line_number "set breakpoint 14 here" $srcfile2] 36set bp_location15 [gdb_get_line_number "set breakpoint 15 here" $srcfile2] 37set bp_location16 [gdb_get_line_number "set breakpoint 16 here" $srcfile2] 38set bp_location17 [gdb_get_line_number "set breakpoint 17 here" $srcfile2] 39set bp_location18 [gdb_get_line_number "set breakpoint 18 here" $srcfile2] 40 41if ![runto_main] then { fail "enable/disable break tests suppressed" } 42 43# Verify that we can set a breakpoint (the location is irrelevant), 44# then enable it (yes, it's already enabled by default), then hit it. 45 46proc break_at { breakpoint where } { 47 global gdb_prompt 48 global expect_out 49 50 set test "break $breakpoint" 51 set bp 0 52 gdb_test_multiple "$test" "$test" { 53 -re "Breakpoint (\[0-9\]*) at .*$where.*$gdb_prompt $" { 54 set bp $expect_out(1,string) 55 pass "$test" 56 } 57 } 58 return $bp 59} 60 61set bp [break_at "marker1" " line ($bp_location15|$bp_location16)"] 62 63gdb_test_no_output "enable $bp" "enable break marker1" 64 65gdb_test "info break $bp" \ 66 "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+y.*" \ 67 "info break marker1" 68 69# See the comments in condbreak.exp for "run until breakpoint at 70# marker1" for an explanation of the xfail below. 71set test "continue to break marker1" 72gdb_test_multiple "continue" "$test" { 73 -re "Breakpoint \[0-9\]*, marker1.*$gdb_prompt $" { 74 pass "$test" 75 } 76 -re "Breakpoint \[0-9\]*, $hex in marker1.*$gdb_prompt $" { 77 xfail "$test" 78 } 79} 80 81gdb_test_no_output "delete $bp" "delete break marker1" 82 83# Verify that we can set a breakpoint to be self-disabling after the 84# first time it triggers. 85set bp [break_at "marker2" " line ($bp_location8|$bp_location9)"] 86 87gdb_test_no_output "enable once $bp" "enable once break marker2" 88 89gdb_test "info break $bp" \ 90 "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+dis\[ \t\]+y.*" \ 91 "info auto-disabled break marker2" 92 93# See the comments in condbreak.exp for "run until breakpoint at 94# marker1" for an explanation of the xfail below. 95set test "continue to auto-disabled break marker2" 96gdb_test_multiple "continue" "$test" { 97 -re "Breakpoint \[0-9\]*, marker2.*$gdb_prompt $" { 98 pass "$test" 99 } 100 -re "Breakpoint \[0-9\]*, $hex in marker2.*$gdb_prompt $" { 101 xfail "$test" 102 } 103} 104 105gdb_test "info break $bp" \ 106 "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+dis\[ \t\]+n.*" \ 107 "info auto-disabled break marker2" 108 109# Verify that we don't stop at a disabled breakpoint. 110gdb_continue_to_end "no stop" 111rerun_to_main 112gdb_continue_to_end "no stop at auto-disabled break marker2" 113 114# Verify that we can set a breakpoint to be self-deleting after the 115# first time it triggers. 116if ![runto_main] then { 117 fail "enable/disable break tests suppressed" 118} 119 120set bp [break_at "marker3" " line ($bp_location17|$bp_location18)"] 121 122gdb_test_no_output "enable del $bp" "enable del break marker3" 123 124gdb_test "info break $bp" \ 125 "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+del\[ \t\]+y.*" \ 126 "info auto-deleted break marker2" 127 128gdb_test "continue" \ 129 ".*marker3 .*:($bp_location17|$bp_location18).*" \ 130 "continue to auto-deleted break marker3" 131 132gdb_test "info break $bp" \ 133 ".*No breakpoint or watchpoint matching.*" \ 134 "info auto-deleted break marker3" 135 136# Verify that we can set a breakpoint and manually disable it (we've 137# already proven that disabled bp's don't trigger). 138 139set bp [break_at "marker4" " line ($bp_location14|$bp_location13).*"] 140 141gdb_test_no_output "disable $bp" "disable break marker4" 142 143gdb_test "info break $bp" \ 144 "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+n.*" \ 145 "info break marker4" 146 147if ![runto_main] then { 148 fail "enable/disable break tests suppressed" 149} 150 151# Test enable count by stopping at a location until it is disabled 152# and passes through. 153 154set bp [break_at $bp_location7 "line $bp_location7"] 155 156set bp2 [break_at marker1 " line ($bp_location15|$bp_location16)"] 157 158gdb_test_no_output "enable count 2 $bp" "disable break with count" 159 160gdb_test "continue" \ 161 ".*factorial .*:$bp_location7.*" \ 162 "continue from enable count, first time" 163 164gdb_test "continue" \ 165 ".*factorial .*:$bp_location7.*" \ 166 "continue from enable count, second time" 167 168gdb_test "continue" \ 169 ".*marker1 .*:($bp_location15|$bp_location16).*" \ 170 "continue through enable count, now disabled" 171 172# Verify that we can set a breakpoint with an ignore count N, which 173# should cause the next N triggers of the bp to be ignored. (This is 174# a flavor of enablement/disablement, after all.) 175 176if ![runto_main] then { 177 fail "enable/disable break tests suppressed" 178} 179 180set bp [break_at "marker1" " line ($bp_location15|$bp_location16).*"] 181 182# Verify that an ignore of a non-existent breakpoint is gracefully 183# handled. 184 185gdb_test "ignore 999 2" \ 186 "No breakpoint number 999..*" \ 187 "ignore non-existent break" 188 189# Verify that a missing ignore count is gracefully handled. 190 191gdb_test "ignore $bp" \ 192 "Second argument .specified ignore-count. is missing..*" \ 193 "ignore break with missing ignore count" 194 195# Verify that a negative or zero ignore count is handled gracefully 196# (they both are treated the same). 197 198gdb_test "ignore $bp -1" \ 199 "Will stop next time breakpoint \[0-9\]* is reached..*" \ 200 "ignore break marker1 -1" 201 202gdb_test "ignore $bp 0" \ 203 "Will stop next time breakpoint \[0-9\]* is reached..*" \ 204 "ignore break marker1 0" 205 206gdb_test "ignore $bp 1" \ 207 "Will ignore next crossing of breakpoint \[0-9\]*.*" \ 208 "ignore break marker1" 209 210gdb_test "info break $bp" \ 211 "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+y.*ignore next 1 hits.*" \ 212 "info ignored break marker1" 213 214gdb_continue_to_end "no stop at ignored break marker1" 215rerun_to_main 216 217# See the comments in condbreak.exp for "run until breakpoint at marker1" 218# for an explanation of the xfail below. 219set test "continue to break marker1, 2nd time" 220gdb_test_multiple "continue" "$test" { 221 -re "Breakpoint \[0-9\]*, marker1.*$gdb_prompt $" { 222 pass "continue to break marker1, 2nd time" 223 } 224 -re "Breakpoint \[0-9\]*, $hex in marker1.*$gdb_prompt $" { 225 xfail "continue to break marker1, 2nd time" 226 } 227} 228 229# Verify that we can specify both an ignore count and an auto-delete. 230 231if ![runto_main] then { 232 fail "enable/disable break tests suppressed" 233} 234 235set bp [break_at marker1 " line ($bp_location15|$bp_location16).*"] 236 237gdb_test "ignore $bp 1" \ 238 "Will ignore next crossing of breakpoint \[0-9\]*.*" \ 239 "ignore break marker1" 240 241gdb_test_no_output "enable del $bp" "enable del break marker1" 242 243gdb_test "info break $bp" \ 244 "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+del\[ \t\]+y.*ignore next 1 hits.*" \ 245 "info break marker1" 246 247gdb_continue_to_end "no stop at ignored & auto-deleted break marker1" 248rerun_to_main 249 250gdb_test "continue" \ 251 ".*marker1 .*:($bp_location15|$bp_location16).*" \ 252 "continue to ignored & auto-deleted break marker1" 253 254# Verify that a disabled breakpoint's ignore count isn't updated when 255# the bp is encountered. 256 257if ![runto_main] then { 258 fail "enable/disable break tests suppressed" 259} 260 261set bp [break_at marker1 " line ($bp_location15|$bp_location16)"] 262 263gdb_test "ignore $bp 10" \ 264 "Will ignore next 10 crossings of breakpoint \[0-9\]*.*" \ 265 "ignore break marker1" 266 267gdb_test_no_output "disable $bp" "disable break marker1" 268 269gdb_continue_to_end "no stop at ignored & disabled break marker1" 270rerun_to_main 271 272gdb_test "info break $bp" \ 273 "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+n.*ignore next 10 hits.*" \ 274 "info ignored & disabled break marker1" 275 276# Verify that GDB correctly handles the "continue" command with an argument, 277# which is an ignore count to set on the currently stopped-at breakpoint. 278# (Also verify that GDB gracefully handles the case where the inferior 279# isn't stopped at a breakpoint.) 280# 281if ![runto_main] then { fail "enable/disable break tests suppressed" } 282 283gdb_test "break $bp_location1" \ 284 "Breakpoint \[0-9\]*.*, line $bp_location1.*" \ 285 "prepare to continue with ignore count" 286 287gdb_test "continue 2" \ 288 "Will ignore next crossing of breakpoint \[0-9\]*. Continuing..*" \ 289 "continue with ignore count" 290 291gdb_test "next" ".*$bp_location11\[ \t\]*marker1.*" \ 292 "step after continue with ignore count" 293 294set test "continue with ignore count, not stopped at bpt" 295gdb_test_multiple "continue 2" "$test" { 296 -re "Not stopped at any breakpoint; argument ignored.*$gdb_prompt $" { 297 pass "$test" 298 } 299 -re "No breakpoint number -1.*$gdb_prompt $" { 300 kfail gdb/1689 "$test" 301 } 302} 303 304# Verify that GDB correctly handles the "enable/disable" command 305# with arguments, that include multiple locations. 306# 307if ![runto_main] then { fail "enable/disable break tests suppressed" } 308 309set b1 0 310set b2 0 311set b3 0 312set b4 0 313set b1 [break_at main ""] 314set b2 [break_at main ""] 315set b3 [break_at main ""] 316set b4 [break_at main ""] 317 318# Perform tests for disable/enable commands on multiple 319# locations and breakpoints. 320# 321# WHAT - the command to test (disable/enable). 322# 323proc test_ena_dis_br { what } { 324 global b1 325 global b2 326 global b3 327 global b4 328 global gdb_prompt 329 330 # OPPOS - the command opposite to WHAT. 331 # WHAT_RES - whether breakpoints are expected to end 332 # up enabled or disabled. 333 # OPPOS_RES- same as WHAT_RES but opposite. 334 # P1/P2 - proc to call (pass/fail). Must be 335 # opposites. 336 # Set variable values for disable command. 337 set oppos "enable" 338 set oppos_res "y" 339 set what_res "n" 340 set p1 "pass" 341 set p2 "fail" 342 343 if { "$what" == "enable" } { 344 # Set varibale values for enable command. 345 set oppos "disable" 346 set oppos_res "n" 347 set what_res "y" 348 set p1 "fail" 349 set p2 "pass" 350 } 351 352 # Now enable(disable) $b.1 $b2.1. 353 gdb_test_no_output "$what $b1.1 $b2.1" "$what \$b1.1 \$b2.1" 354 set test1 "${what}d \$b1.1 and \$b2.1" 355 356 # Now $b1.1 and $b2.1 should be enabled(disabled). 357 gdb_test_multiple "info break" "$test1" { 358 -re "(${b1}.1)(\[^\n\r\]*)( n.*)(${b2}.1)(\[^\n\r\]*)( n.*)$gdb_prompt $" { 359 $p1 "$test1" 360 } 361 -re ".*$gdb_prompt $" { 362 $p2 "$test1" 363 } 364 } 365 366 # Now enable(disable) $b1 fooo.1, it should give error on fooo. 367 gdb_test "$what $b1 fooo.1" \ 368 "Bad breakpoint number 'fooo'" \ 369 "$what \$b1 fooo.1" 370 371 # $b1 should be enabled(disabled). 372 gdb_test "info break" \ 373 "(${b1})(\[^\n\r]*)( $what_res.*)" \ 374 "${what}d \$b1" 375 376 gdb_test_no_output "$oppos $b3" "$oppos \$b3" 377 gdb_test_no_output "$what $b4 $b3.1" "$what \$b4 \$b3.1" 378 set test1 "${what}d \$b4 and \$b3.1,remain ${oppos}d \$b3" 379 380 # Now $b4 $b3.1 should be enabled(disabled) and 381 # $b3 should remain disabled(enabled). 382 gdb_test_multiple "info break" "$test1" { 383 -re "(${b3})(\[^\n\r]*)( $oppos_res.*)(${b3}.1)(\[^\n\r\]*)( n.*)(${b4})(\[^\n\r\]*)( $what_res.*)$gdb_prompt $" { 384 $p1 "$test1" 385 } 386 -re "(${b3})(\[^\n\r]*)( $oppos_res.*)(${b4})(\[^\n\r\]*)( $what_res.*)$gdb_prompt $" { 387 $p2 "$test1" 388 } 389 } 390 391 # Now enable(disable) $b4.1 fooobaar and 392 # it should give warning on fooobaar. 393 gdb_test "$what $b4.1 fooobaar" \ 394 "warning: bad breakpoint number at or near 'fooobaar'" \ 395 "$what \$b4.1 fooobar" 396 set test1 "${what}d \$b4.1" 397 398 # $b4.1 should be enabled(disabled). 399 gdb_test_multiple "info break" "$test1" { 400 -re "(${b4}.1)(\[^\n\r\]*)( n.*)$gdb_prompt $" { 401 $p1 "$test1" 402 } 403 -re ".*$gdb_prompt $" { 404 $p2 "$test1" 405 } 406 } 407} 408 409test_ena_dis_br "disable" 410test_ena_dis_br "enable" 411 412gdb_exit 413return 0 414