| 1 | # This testcase is part of GDB, the GNU debugger. |
| 2 | |
| 3 | # Copyright 1997-2019 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 | |
| 22 | standard_testfile break.c break1.c |
| 23 | |
| 24 | if {[prepare_for_testing "failed to prepare" ${testfile} \ |
| 25 | [list $srcfile $srcfile2] {debug nowarnings}]} { |
| 26 | return -1 |
| 27 | } |
| 28 | |
| 29 | set bp_location1 [gdb_get_line_number "set breakpoint 1 here"] |
| 30 | set bp_location7 [gdb_get_line_number "set breakpoint 7 here"] |
| 31 | set bp_location8 [gdb_get_line_number "set breakpoint 8 here" $srcfile2] |
| 32 | set bp_location11 [gdb_get_line_number "set breakpoint 11 here"] |
| 33 | set bp_location14 [gdb_get_line_number "set breakpoint 14 here" $srcfile2] |
| 34 | set bp_location15 [gdb_get_line_number "set breakpoint 15 here" $srcfile2] |
| 35 | set bp_location17 [gdb_get_line_number "set breakpoint 17 here" $srcfile2] |
| 36 | |
| 37 | if ![runto_main] then { fail "enable/disable break tests suppressed" } |
| 38 | |
| 39 | # Verify that we can set a breakpoint (the location is irrelevant), |
| 40 | # then enable it (yes, it's already enabled by default), then hit it. |
| 41 | |
| 42 | proc break_at { breakpoint where } { |
| 43 | global gdb_prompt |
| 44 | global expect_out |
| 45 | |
| 46 | set test "break $breakpoint" |
| 47 | set bp 0 |
| 48 | gdb_test_multiple "$test" "$test" { |
| 49 | -re "Breakpoint (\[0-9\]*) at .*$where.*$gdb_prompt $" { |
| 50 | set bp $expect_out(1,string) |
| 51 | pass "$test" |
| 52 | } |
| 53 | } |
| 54 | return $bp |
| 55 | } |
| 56 | |
| 57 | set bp [break_at "marker1" " line $bp_location15"] |
| 58 | |
| 59 | gdb_test_no_output "enable $bp" "enable break marker1" |
| 60 | |
| 61 | gdb_test "info break $bp" \ |
| 62 | "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+y.*" \ |
| 63 | "info break marker1 before hitting breakpoint" |
| 64 | |
| 65 | # See the comments in condbreak.exp for "run until breakpoint at |
| 66 | # marker1" for an explanation of the xfail below. |
| 67 | set test "continue to break marker1" |
| 68 | gdb_test_multiple "continue" "$test" { |
| 69 | -re "Breakpoint \[0-9\]*, marker1.*$gdb_prompt $" { |
| 70 | pass "$test" |
| 71 | } |
| 72 | -re "Breakpoint \[0-9\]*, $hex in marker1.*$gdb_prompt $" { |
| 73 | xfail "$test" |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | gdb_test_no_output "delete $bp" "delete break marker1" |
| 78 | |
| 79 | # Verify that we can set a breakpoint to be self-disabling after the |
| 80 | # first time it triggers. |
| 81 | set bp [break_at "marker2" " line $bp_location8"] |
| 82 | |
| 83 | gdb_test_no_output "enable once $bp" "enable once break marker2" |
| 84 | |
| 85 | gdb_test "info break $bp" \ |
| 86 | "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+dis\[ \t\]+y.*" \ |
| 87 | "info auto-disabled break marker2 before hitting breakpoint" |
| 88 | |
| 89 | # See the comments in condbreak.exp for "run until breakpoint at |
| 90 | # marker1" for an explanation of the xfail below. |
| 91 | set test "continue to auto-disabled break marker2" |
| 92 | gdb_test_multiple "continue" "$test" { |
| 93 | -re "Breakpoint \[0-9\]*, marker2.*$gdb_prompt $" { |
| 94 | pass "$test" |
| 95 | } |
| 96 | -re "Breakpoint \[0-9\]*, $hex in marker2.*$gdb_prompt $" { |
| 97 | xfail "$test" |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | gdb_test "info break $bp" \ |
| 102 | "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+dis\[ \t\]+n.*" \ |
| 103 | "info auto-disabled break marker2 after hitting breakpoint" |
| 104 | |
| 105 | # Verify that we don't stop at a disabled breakpoint. |
| 106 | gdb_continue_to_end "no stop" |
| 107 | rerun_to_main |
| 108 | gdb_continue_to_end "no stop at auto-disabled break marker2" |
| 109 | |
| 110 | # Verify that we can set a breakpoint to be self-deleting after the |
| 111 | # first time it triggers. |
| 112 | if ![runto_main] then { |
| 113 | fail "enable/disable break tests suppressed" |
| 114 | } |
| 115 | |
| 116 | set bp [break_at "marker3" " line $bp_location17"] |
| 117 | |
| 118 | gdb_test_no_output "enable del $bp" "enable del break marker3" |
| 119 | |
| 120 | gdb_test "info break $bp" \ |
| 121 | "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+del\[ \t\]+y.*" \ |
| 122 | "info auto-deleted break marker2" |
| 123 | |
| 124 | gdb_test "continue" \ |
| 125 | ".*marker3 .*:$bp_location17.*" \ |
| 126 | "continue to auto-deleted break marker3" |
| 127 | |
| 128 | gdb_test "info break $bp" \ |
| 129 | ".*No breakpoint or watchpoint matching.*" \ |
| 130 | "info auto-deleted break marker3" |
| 131 | |
| 132 | # Verify that we can set a breakpoint and manually disable it (we've |
| 133 | # already proven that disabled bp's don't trigger). |
| 134 | |
| 135 | set bp [break_at "marker4" " line $bp_location14.*"] |
| 136 | |
| 137 | gdb_test_no_output "disable $bp" "disable break marker4" |
| 138 | |
| 139 | gdb_test "info break $bp" \ |
| 140 | "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+n.*" \ |
| 141 | "info break marker4" |
| 142 | |
| 143 | if ![runto_main] then { |
| 144 | fail "enable/disable break tests suppressed" |
| 145 | } |
| 146 | |
| 147 | # Test enable count by stopping at a location until it is disabled |
| 148 | # and passes through. |
| 149 | |
| 150 | set bp [break_at $bp_location7 "line $bp_location7"] |
| 151 | |
| 152 | set bp2 [break_at marker1 " line $bp_location15"] |
| 153 | |
| 154 | gdb_test "enable count" \ |
| 155 | "Argument required \\(hit count\\)\\." \ |
| 156 | "enable count missing arguments" |
| 157 | |
| 158 | gdb_test "enable count 2" \ |
| 159 | "Argument required \\(one or more breakpoint numbers\\)\\." \ |
| 160 | "enable count missing breakpoint number" |
| 161 | |
| 162 | gdb_test_no_output "enable count 2 $bp" "disable break with count" |
| 163 | |
| 164 | gdb_test "continue" \ |
| 165 | ".*factorial .*:$bp_location7.*" \ |
| 166 | "continue from enable count, first time" |
| 167 | |
| 168 | gdb_test "continue" \ |
| 169 | ".*factorial .*:$bp_location7.*" \ |
| 170 | "continue from enable count, second time" |
| 171 | |
| 172 | gdb_test "continue" \ |
| 173 | ".*marker1 .*:$bp_location15.*" \ |
| 174 | "continue through enable count, now disabled" |
| 175 | |
| 176 | # Verify that we can set a breakpoint with an ignore count N, which |
| 177 | # should cause the next N triggers of the bp to be ignored. (This is |
| 178 | # a flavor of enablement/disablement, after all.) |
| 179 | |
| 180 | if ![runto_main] then { |
| 181 | fail "enable/disable break tests suppressed" |
| 182 | } |
| 183 | |
| 184 | set bp [break_at "marker1" " line $bp_location15.*"] |
| 185 | |
| 186 | # Verify that an ignore of a non-existent breakpoint is gracefully |
| 187 | # handled. |
| 188 | |
| 189 | gdb_test "ignore 999 2" \ |
| 190 | "No breakpoint number 999..*" \ |
| 191 | "ignore non-existent break" |
| 192 | |
| 193 | # Verify that a missing ignore count is gracefully handled. |
| 194 | |
| 195 | gdb_test "ignore $bp" \ |
| 196 | "Second argument .specified ignore-count. is missing..*" \ |
| 197 | "ignore break with missing ignore count" |
| 198 | |
| 199 | # Verify that a negative or zero ignore count is handled gracefully |
| 200 | # (they both are treated the same). |
| 201 | |
| 202 | gdb_test "ignore $bp -1" \ |
| 203 | "Will stop next time breakpoint \[0-9\]* is reached..*" \ |
| 204 | "ignore break marker1 -1" |
| 205 | |
| 206 | gdb_test "ignore $bp 0" \ |
| 207 | "Will stop next time breakpoint \[0-9\]* is reached..*" \ |
| 208 | "ignore break marker1 0" |
| 209 | |
| 210 | gdb_test "ignore $bp 1" \ |
| 211 | "Will ignore next crossing of breakpoint \[0-9\]*.*" \ |
| 212 | "ignore break marker1 1" |
| 213 | |
| 214 | gdb_test "info break $bp" \ |
| 215 | "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+y.*ignore next 1 hits.*" \ |
| 216 | "info ignored break marker1" |
| 217 | |
| 218 | gdb_continue_to_end "no stop at ignored break marker1" |
| 219 | rerun_to_main |
| 220 | |
| 221 | # See the comments in condbreak.exp for "run until breakpoint at marker1" |
| 222 | # for an explanation of the xfail below. |
| 223 | set test "continue to break marker1, 2nd time" |
| 224 | gdb_test_multiple "continue" "$test" { |
| 225 | -re "Breakpoint \[0-9\]*, marker1.*$gdb_prompt $" { |
| 226 | pass "continue to break marker1, 2nd time" |
| 227 | } |
| 228 | -re "Breakpoint \[0-9\]*, $hex in marker1.*$gdb_prompt $" { |
| 229 | xfail "continue to break marker1, 2nd time" |
| 230 | } |
| 231 | } |
| 232 | |
| 233 | # Verify that we can specify both an ignore count and an auto-delete. |
| 234 | |
| 235 | if ![runto_main] then { |
| 236 | fail "enable/disable break tests suppressed" |
| 237 | } |
| 238 | |
| 239 | set bp [break_at marker1 " line $bp_location15.*"] |
| 240 | |
| 241 | gdb_test "ignore $bp 1" \ |
| 242 | "Will ignore next crossing of breakpoint \[0-9\]*.*" \ |
| 243 | "ignore break marker1" |
| 244 | |
| 245 | gdb_test_no_output "enable del $bp" "enable del break marker1" |
| 246 | |
| 247 | gdb_test "info break $bp" \ |
| 248 | "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+del\[ \t\]+y.*ignore next 1 hits.*" \ |
| 249 | "info break marker1 after hitting breakpoint" |
| 250 | |
| 251 | gdb_continue_to_end "no stop at ignored & auto-deleted break marker1" |
| 252 | rerun_to_main |
| 253 | |
| 254 | gdb_test "continue" \ |
| 255 | ".*marker1 .*:$bp_location15.*" \ |
| 256 | "continue to ignored & auto-deleted break marker1" |
| 257 | |
| 258 | # Verify that a disabled breakpoint's ignore count isn't updated when |
| 259 | # the bp is encountered. |
| 260 | |
| 261 | if ![runto_main] then { |
| 262 | fail "enable/disable break tests suppressed" |
| 263 | } |
| 264 | |
| 265 | set bp [break_at marker1 " line $bp_location15"] |
| 266 | |
| 267 | gdb_test "ignore $bp 10" \ |
| 268 | "Will ignore next 10 crossings of breakpoint \[0-9\]*.*" \ |
| 269 | "ignore break marker1 10" |
| 270 | |
| 271 | gdb_test_no_output "disable $bp" "disable break marker1" |
| 272 | |
| 273 | gdb_continue_to_end "no stop at ignored & disabled break marker1" |
| 274 | rerun_to_main |
| 275 | |
| 276 | gdb_test "info break $bp" \ |
| 277 | "\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+n.*ignore next 10 hits.*" \ |
| 278 | "info ignored & disabled break marker1" |
| 279 | |
| 280 | # Verify that GDB correctly handles the "continue" command with an argument, |
| 281 | # which is an ignore count to set on the currently stopped-at breakpoint. |
| 282 | # (Also verify that GDB gracefully handles the case where the inferior |
| 283 | # isn't stopped at a breakpoint.) |
| 284 | # |
| 285 | if ![runto_main] then { fail "enable/disable break tests suppressed" } |
| 286 | |
| 287 | gdb_test "break $bp_location1" \ |
| 288 | "Breakpoint \[0-9\]*.*, line $bp_location1.*" \ |
| 289 | "prepare to continue with ignore count" |
| 290 | |
| 291 | gdb_test "continue 2" \ |
| 292 | "Will ignore next crossing of breakpoint \[0-9\]*. Continuing..*" \ |
| 293 | "continue with ignore count" |
| 294 | |
| 295 | gdb_test "next" ".*$bp_location11\[ \t\]*marker1.*" \ |
| 296 | "step after continue with ignore count" |
| 297 | |
| 298 | set test "continue with ignore count, not stopped at bpt" |
| 299 | gdb_test_multiple "continue 2" "$test" { |
| 300 | -re "Not stopped at any breakpoint; argument ignored.*$gdb_prompt $" { |
| 301 | pass "$test" |
| 302 | } |
| 303 | -re "No breakpoint number -1.*$gdb_prompt $" { |
| 304 | kfail gdb/1689 "$test" |
| 305 | } |
| 306 | } |
| 307 | |
| 308 | # Verify that GDB correctly handles the "enable/disable" command |
| 309 | # with arguments, that include multiple locations. |
| 310 | # |
| 311 | if ![runto_main] then { fail "enable/disable break tests suppressed" } |
| 312 | |
| 313 | set b1 0 |
| 314 | set b2 0 |
| 315 | set b3 0 |
| 316 | set b4 0 |
| 317 | set b1 [break_at main ""] |
| 318 | set b2 [break_at main ""] |
| 319 | set b3 [break_at main ""] |
| 320 | set b4 [break_at main ""] |
| 321 | |
| 322 | # Perform tests for disable/enable commands on multiple |
| 323 | # locations and breakpoints. |
| 324 | # |
| 325 | # WHAT - the command to test (disable/enable). |
| 326 | # |
| 327 | # Note: tests involving location ranges (and more) are found in |
| 328 | # gdb.cp/ena-dis-br-range.exp. |
| 329 | # |
| 330 | proc test_ena_dis_br { what } { |
| 331 | global b1 |
| 332 | global b2 |
| 333 | global b3 |
| 334 | global b4 |
| 335 | global gdb_prompt |
| 336 | |
| 337 | # OPPOS - the command opposite to WHAT. |
| 338 | # WHAT_RES - whether breakpoints are expected to end |
| 339 | # up enabled or disabled. |
| 340 | # OPPOS_RES- same as WHAT_RES but opposite. |
| 341 | # P1/P2 - proc to call (pass/fail). Must be |
| 342 | # opposites. |
| 343 | # Set variable values for disable command. |
| 344 | set oppos "enable" |
| 345 | set oppos_res "y" |
| 346 | set what_res "n" |
| 347 | set p1 "pass" |
| 348 | set p2 "fail" |
| 349 | |
| 350 | if { "$what" == "enable" } { |
| 351 | # Set varibale values for enable command. |
| 352 | set oppos "disable" |
| 353 | set oppos_res "n" |
| 354 | set what_res "y" |
| 355 | set p1 "fail" |
| 356 | set p2 "pass" |
| 357 | } |
| 358 | |
| 359 | # Now enable(disable) $b.1 $b2.1. |
| 360 | gdb_test_no_output "$what $b1.1 $b2.1" "$what \$b1.1 \$b2.1" |
| 361 | set test1 "${what}d \$b1.1 and \$b2.1" |
| 362 | |
| 363 | # Now $b1.1 and $b2.1 should be enabled(disabled). |
| 364 | gdb_test_multiple "info break" "$test1" { |
| 365 | -re "(${b1}.1)(\[^\n\r\]*)( n.*)(${b2}.1)(\[^\n\r\]*)( n.*)$gdb_prompt $" { |
| 366 | $p1 "$test1" |
| 367 | } |
| 368 | -re ".*$gdb_prompt $" { |
| 369 | $p2 "$test1" |
| 370 | } |
| 371 | } |
| 372 | |
| 373 | # Now enable(disable) $b1 fooo.1, it should give error on fooo. |
| 374 | gdb_test "$what $b1 fooo.1" \ |
| 375 | "Bad breakpoint number 'fooo\\.1'" \ |
| 376 | "$what \$b1 fooo.1" |
| 377 | |
| 378 | # $b1 should be enabled(disabled). |
| 379 | gdb_test "info break" \ |
| 380 | "(${b1})(\[^\n\r]*)( $what_res.*)" \ |
| 381 | "${what}d \$b1" |
| 382 | |
| 383 | gdb_test_no_output "$oppos $b3" "$oppos \$b3" |
| 384 | gdb_test_no_output "$what $b4 $b3.1" "$what \$b4 \$b3.1" |
| 385 | set test1 "${what}d \$b4 and \$b3.1,remain ${oppos}d \$b3" |
| 386 | |
| 387 | # Now $b4 $b3.1 should be enabled(disabled) and |
| 388 | # $b3 should remain disabled(enabled). |
| 389 | gdb_test_multiple "info break" "$test1" { |
| 390 | -re "(${b3})(\[^\n\r]*)( $oppos_res.*)(${b3}.1)(\[^\n\r\]*)( n.*)(${b4})(\[^\n\r\]*)( $what_res.*)$gdb_prompt $" { |
| 391 | $p1 "$test1" |
| 392 | } |
| 393 | -re "(${b3})(\[^\n\r]*)( $oppos_res.*)(${b4})(\[^\n\r\]*)( $what_res.*)$gdb_prompt $" { |
| 394 | $p2 "$test1" |
| 395 | } |
| 396 | } |
| 397 | |
| 398 | # Now enable(disable) '$b4.1 fooobaar'. This should error on |
| 399 | # fooobaar. |
| 400 | gdb_test "$what $b4.1 fooobaar" \ |
| 401 | "Bad breakpoint number 'fooobaar'" \ |
| 402 | "$what \$b4.1 fooobar" |
| 403 | set test1 "${what}d \$b4.1" |
| 404 | |
| 405 | # $b4.1 should be enabled(disabled). |
| 406 | gdb_test_multiple "info break" "$test1" { |
| 407 | -re "(${b4}.1)(\[^\n\r\]*)( n.*)$gdb_prompt $" { |
| 408 | $p1 "$test1" |
| 409 | } |
| 410 | -re ".*$gdb_prompt $" { |
| 411 | $p2 "$test1" |
| 412 | } |
| 413 | } |
| 414 | } |
| 415 | |
| 416 | test_ena_dis_br "disable" |
| 417 | test_ena_dis_br "enable" |
| 418 | |
| 419 | gdb_exit |
| 420 | return 0 |