| 1 | # Copyright 1997, 1999, 2002 Free Software Foundation, Inc. |
| 2 | |
| 3 | # This program is free software; you can redistribute it and/or modify |
| 4 | # it under the terms of the GNU General Public License as published by |
| 5 | # the Free Software Foundation; either version 2 of the License, or |
| 6 | # (at your option) any later version. |
| 7 | # |
| 8 | # This program is distributed in the hope that it will be useful, |
| 9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | # GNU General Public License for more details. |
| 12 | # |
| 13 | # You should have received a copy of the GNU General Public License |
| 14 | # along with this program; if not, write to the Free Software |
| 15 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 16 | |
| 17 | # Please email any bugs, comments, and/or additions to this file to: |
| 18 | # bug-gdb@prep.ai.mit.edu |
| 19 | |
| 20 | if $tracelevel then { |
| 21 | strace $tracelevel |
| 22 | } |
| 23 | |
| 24 | set prms_id 0 |
| 25 | set bug_id 0 |
| 26 | |
| 27 | # On HP-UX 11.0, this test is causing a process running the program |
| 28 | # "attach" to be left around spinning. Until we figure out why, I am |
| 29 | # commenting out the test to avoid polluting tiamat (our 11.0 nightly |
| 30 | # test machine) with these processes. RT |
| 31 | # |
| 32 | # Setting the magic bit in the target app should work. I added a |
| 33 | # "kill", and also a test for the R3 register warning. JB |
| 34 | if { [istarget "hppa*-*-hpux*"] } { |
| 35 | return 0 |
| 36 | } |
| 37 | |
| 38 | # are we on a target board |
| 39 | if [is_remote target] then { |
| 40 | return 0 |
| 41 | } |
| 42 | |
| 43 | set testfile "attach" |
| 44 | set srcfile ${testfile}.c |
| 45 | set srcfile2 ${testfile}2.c |
| 46 | set binfile ${objdir}/${subdir}/${testfile} |
| 47 | set binfile2 ${objdir}/${subdir}/${testfile}2 |
| 48 | set cleanupfile ${objdir}/${subdir}/${testfile}.awk |
| 49 | |
| 50 | #execute_anywhere "rm -f ${binfile} ${binfile2}" |
| 51 | remote_exec build "rm -f ${binfile} ${binfile2}" |
| 52 | # For debugging this test |
| 53 | # |
| 54 | #log_user 1 |
| 55 | |
| 56 | # Clean out any old files from past runs. |
| 57 | # |
| 58 | remote_exec build "${cleanupfile}" |
| 59 | |
| 60 | # build the first test case |
| 61 | # |
| 62 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { |
| 63 | gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
| 64 | } |
| 65 | |
| 66 | # Build the in-system-call test |
| 67 | |
| 68 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug}] != "" } { |
| 69 | gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
| 70 | } |
| 71 | |
| 72 | if [get_compiler_info ${binfile}] { |
| 73 | return -1 |
| 74 | } |
| 75 | |
| 76 | proc do_attach_tests {} { |
| 77 | global gdb_prompt |
| 78 | global binfile |
| 79 | global srcfile |
| 80 | global testfile |
| 81 | global objdir |
| 82 | global subdir |
| 83 | global timeout |
| 84 | |
| 85 | # Start the program running and then wait for a bit, to be sure |
| 86 | # that it can be attached to. |
| 87 | # |
| 88 | set testpid [eval exec $binfile &] |
| 89 | exec sleep 2 |
| 90 | |
| 91 | # Verify that we cannot attach to nonsense. |
| 92 | # |
| 93 | send_gdb "attach abc\n" |
| 94 | gdb_expect { |
| 95 | -re ".*Illegal process-id: abc.*$gdb_prompt $"\ |
| 96 | {pass "attach to nonsense is prohibited"} |
| 97 | -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $"\ |
| 98 | { |
| 99 | # Response expected from /proc-based systems. |
| 100 | pass "attach to nonsense is prohibited" |
| 101 | } |
| 102 | -re "Attaching to.*$gdb_prompt $"\ |
| 103 | {fail "attach to nonsense is prohibited (bogus pid allowed)"} |
| 104 | -re "$gdb_prompt $" {fail "attach to nonsense is prohibited"} |
| 105 | timeout {fail "(timeout) attach to nonsense is prohibited"} |
| 106 | } |
| 107 | |
| 108 | # Verify that we cannot attach to what appears to be a valid |
| 109 | # process ID, but is a process that doesn't exist. Traditionally, |
| 110 | # most systems didn't have a process with ID 0, so we take that as |
| 111 | # the default. However, there are a few exceptions. |
| 112 | # |
| 113 | set boguspid 0 |
| 114 | if { [istarget "*-*-*bsd*"] } { |
| 115 | # In FreeBSD 5.0, PID 0 is used for "swapper". Use -1 instead |
| 116 | # (which should have the desired effect on any version of |
| 117 | # FreeBSD, and probably other *BSD's too). |
| 118 | set boguspid -1 |
| 119 | } |
| 120 | send_gdb "attach $boguspid\n" |
| 121 | gdb_expect { |
| 122 | -re "Attaching to.*, process $boguspid.*No such process.*$gdb_prompt $"\ |
| 123 | { |
| 124 | # Response expected on ptrace-based systems (i.e. HP-UX 10.20). |
| 125 | pass "attach to nonexistent process is prohibited" |
| 126 | } |
| 127 | -re "Attaching to.*, process $boguspid failed.*Hint.*$gdb_prompt $"\ |
| 128 | { |
| 129 | # Response expected on ttrace-based systems (i.e. HP-UX 11.0). |
| 130 | pass "attach to nonexistent process is prohibited" |
| 131 | } |
| 132 | -re "Attaching to.*, process $boguspid.*denied.*$gdb_prompt $"\ |
| 133 | {pass "attach to nonexistent process is prohibited"} |
| 134 | -re "Attaching to.*, process $boguspid.*not permitted.*$gdb_prompt $"\ |
| 135 | {pass "attach to nonexistent process is prohibited"} |
| 136 | -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $"\ |
| 137 | { |
| 138 | # Response expected from /proc-based systems. |
| 139 | pass "attach to nonexistent process is prohibited" |
| 140 | } |
| 141 | -re "$gdb_prompt $" {fail "attach to nonexistent process is prohibited"} |
| 142 | timeout { |
| 143 | fail "(timeout) attach to nonexistent process is prohibited" |
| 144 | } |
| 145 | } |
| 146 | |
| 147 | # Verify that we can attach to the process by first giving its |
| 148 | # executable name via the file command, and using attach with |
| 149 | # the process ID. |
| 150 | # |
| 151 | # (Actually, the test system appears to do this automatically |
| 152 | # for us. So, we must also be prepared to be asked if we want |
| 153 | # to discard an existing set of symbols.) |
| 154 | # |
| 155 | send_gdb "file $binfile\n" |
| 156 | gdb_expect { |
| 157 | -re "Load new symbol table from.*y or n.*$" { |
| 158 | send_gdb "y\n" |
| 159 | gdb_expect { |
| 160 | -re "Reading symbols from $binfile\.\.\.*done.*$gdb_prompt $"\ |
| 161 | {pass "(re)set file, before attach1"} |
| 162 | -re "$gdb_prompt $" {fail "(re)set file, before attach1"} |
| 163 | timeout {fail "(timeout) (re)set file, before attach1"} |
| 164 | } |
| 165 | } |
| 166 | -re "Reading symbols from $binfile\.\.\.*done.*$gdb_prompt $"\ |
| 167 | {pass "set file, before attach1"} |
| 168 | -re "$gdb_prompt $" {fail "set file, before attach1"} |
| 169 | timeout {fail "(timeout) set file, before attach1"} |
| 170 | } |
| 171 | |
| 172 | send_gdb "attach $testpid\n" |
| 173 | gdb_expect { |
| 174 | -re "Attaching to program.*`?$binfile'?, process $testpid.*main.*at .*$srcfile:.*$gdb_prompt $"\ |
| 175 | {pass "attach1, after setting file"} |
| 176 | -re "$gdb_prompt $" {fail "attach1, after setting file"} |
| 177 | timeout {fail "(timeout) attach1, after setting file"} |
| 178 | } |
| 179 | |
| 180 | # Verify that we can "see" the variable "should_exit" in the |
| 181 | # program, and that it is zero. |
| 182 | # |
| 183 | send_gdb "print should_exit\n" |
| 184 | gdb_expect { |
| 185 | -re ".* = 0.*$gdb_prompt $"\ |
| 186 | {pass "after attach1, print should_exit"} |
| 187 | -re "$gdb_prompt $" {fail "after attach1, print should_exit"} |
| 188 | timeout {fail "(timeout) after attach1, print should_exit"} |
| 189 | } |
| 190 | |
| 191 | # Detach the process. |
| 192 | # |
| 193 | send_gdb "detach\n" |
| 194 | gdb_expect { |
| 195 | -re "Detaching from program: .*$binfile.*$gdb_prompt $"\ |
| 196 | {pass "attach1 detach"} |
| 197 | -re "$gdb_prompt $" {fail "attach1 detach"} |
| 198 | timeout {fail "(timeout) attach1 detach"} |
| 199 | } |
| 200 | |
| 201 | # Wait a bit for gdb to finish detaching |
| 202 | # |
| 203 | exec sleep 5 |
| 204 | |
| 205 | # Purge the symbols from gdb's brain. (We want to be certain |
| 206 | # the next attach, which won't be preceded by a "file" command, |
| 207 | # is really getting the executable file without our help.) |
| 208 | # |
| 209 | set old_timeout $timeout |
| 210 | set timeout 15 |
| 211 | send_gdb "file\n" |
| 212 | gdb_expect { |
| 213 | -re ".*gdb internal error.*$" { |
| 214 | fail "Internal error, prob. Memory corruption" |
| 215 | } |
| 216 | -re "No executable file now.*Discard symbol table.*y or n.*$" { |
| 217 | send_gdb "y\n" |
| 218 | gdb_expect { |
| 219 | -re "No symbol file now.*$gdb_prompt $"\ |
| 220 | {pass "attach1, purging symbols after detach"} |
| 221 | -re "$gdb_prompt $" {fail "attach1, purging symbols after detach"} |
| 222 | timeout {fail "(timeout) attach1, purging symbols after detach"} |
| 223 | } |
| 224 | } |
| 225 | -re "$gdb_prompt $" {fail "attach1, purging file after detach"} |
| 226 | timeout { |
| 227 | fail "(timeout) attach1, purging file after detach" |
| 228 | } |
| 229 | } |
| 230 | set timeout $old_timeout |
| 231 | |
| 232 | # Verify that we can attach to the process just by giving the |
| 233 | # process ID. |
| 234 | # |
| 235 | send_gdb "attach $testpid\n" |
| 236 | gdb_expect { |
| 237 | -re "Attaching to process $testpid.*Reading symbols from $binfile.*main.*at .*$gdb_prompt $"\ |
| 238 | {pass "attach2"} |
| 239 | -re "$gdb_prompt $" {fail "attach2"} |
| 240 | timeout {fail "(timeout) attach2"} |
| 241 | } |
| 242 | |
| 243 | # Verify that we can modify the variable "should_exit" in the |
| 244 | # program. |
| 245 | # |
| 246 | send_gdb "set should_exit=1\n" |
| 247 | gdb_expect { |
| 248 | -re "$gdb_prompt $" {pass "after attach2, set should_exit"} |
| 249 | timeout {fail "(timeout) after attach2, set should_exit"} |
| 250 | } |
| 251 | |
| 252 | # Verify that the modification really happened. |
| 253 | # |
| 254 | send_gdb "tbreak 19\n" |
| 255 | gdb_expect { |
| 256 | -re "Breakpoint .*at.*$srcfile, line 19.*$gdb_prompt $"\ |
| 257 | {pass "after attach2, set tbreak postloop"} |
| 258 | -re "$gdb_prompt $" {fail "after attach2, set tbreak postloop"} |
| 259 | timeout {fail "(timeout) after attach2, set tbreak postloop"} |
| 260 | } |
| 261 | send_gdb "continue\n" |
| 262 | gdb_expect { |
| 263 | -re "main.*at.*$srcfile:19.*$gdb_prompt $"\ |
| 264 | {pass "after attach2, reach tbreak postloop"} |
| 265 | -re "$gdb_prompt $" {fail "after attach2, reach tbreak postloop"} |
| 266 | timeout {fail "(timeout) after attach2, reach tbreak postloop"} |
| 267 | } |
| 268 | |
| 269 | # Allow the test process to exit, to cleanup after ourselves. |
| 270 | # |
| 271 | send_gdb "continue\n" |
| 272 | gdb_expect { |
| 273 | -re "Program exited normally.*$gdb_prompt $"\ |
| 274 | {pass "after attach2, exit"} |
| 275 | -re "$gdb_prompt $" {fail "after attach2, exit"} |
| 276 | timeout {fail "(timeout) after attach2, exit"} |
| 277 | } |
| 278 | |
| 279 | # Make sure we don't leave a process around to confuse |
| 280 | # the next test run (and prevent the compile by keeping |
| 281 | # the text file busy), in case the "set should_exit" didn't |
| 282 | # work. |
| 283 | # |
| 284 | remote_exec build "kill -9 ${testpid}" |
| 285 | # Start the program running and then wait for a bit, to be sure |
| 286 | # that it can be attached to. |
| 287 | # |
| 288 | set testpid [eval exec $binfile &] |
| 289 | exec sleep 2 |
| 290 | |
| 291 | # Verify that we can attach to the process, and find its a.out |
| 292 | # when we're cd'd to some directory that doesn't contain the |
| 293 | # a.out. (We use the source path set by the "dir" command.) |
| 294 | # |
| 295 | send_gdb "dir ${objdir}/${subdir}\n" |
| 296 | gdb_expect { |
| 297 | -re ".*Source directories searched: .*$gdb_prompt $"\ |
| 298 | {pass "set source path"} |
| 299 | -re "$gdb_prompt $" {fail "set source path"} |
| 300 | timeout {fail "(timeout) set source path"} |
| 301 | } |
| 302 | |
| 303 | send_gdb "cd /tmp\n" |
| 304 | gdb_expect { |
| 305 | -re ".*Working directory /tmp.*$gdb_prompt $"\ |
| 306 | {pass "cd away from process' a.out"} |
| 307 | -re "$gdb_prompt $" {fail "cd away from process' a.out"} |
| 308 | timeout {fail "(timeout) cd away from process' a.out"} |
| 309 | } |
| 310 | |
| 311 | # Explicitly flush out any knowledge of the previous attachment. |
| 312 | send_gdb "symbol\n" |
| 313 | gdb_expect { |
| 314 | -re ".*Discard symbol table from.*y or n. $"\ |
| 315 | {send_gdb "y\n" |
| 316 | gdb_expect { |
| 317 | -re ".*No symbol file now.*$gdb_prompt $"\ |
| 318 | {pass "before attach3, flush symbols"} |
| 319 | -re "$gdb_prompt $" {fail "before attach3, flush symbols"} |
| 320 | timeout {fail "(timeout) before attach3, flush symbols"} |
| 321 | } |
| 322 | } |
| 323 | -re ".*No symbol file now.*$gdb_prompt $"\ |
| 324 | {pass "before attach3, flush symbols"} |
| 325 | -re "$gdb_prompt $" {fail "before attach3, flush symbols"} |
| 326 | timeout {fail "(timeout) before attach3, flush symbols"} |
| 327 | } |
| 328 | send_gdb "exec\n" |
| 329 | gdb_expect { |
| 330 | -re ".*No executable file now.*$gdb_prompt $"\ |
| 331 | {pass "before attach3, flush exec"} |
| 332 | -re "$gdb_prompt $" {fail "before attach3, flush exec"} |
| 333 | timeout {fail "(timeout) before attach3, flush exec"} |
| 334 | } |
| 335 | |
| 336 | send_gdb "attach $testpid\n" |
| 337 | gdb_expect { |
| 338 | -re "Attaching to process $testpid.*Reading symbols from $binfile.*main.*at .*$gdb_prompt $"\ |
| 339 | {pass "attach when process' a.out not in cwd"} |
| 340 | -re "$gdb_prompt $" {fail "attach when process' a.out not in cwd"} |
| 341 | timeout {fail "(timeout) attach when process' a.out not in cwd"} |
| 342 | } |
| 343 | |
| 344 | send_gdb "kill\n" |
| 345 | gdb_expect { |
| 346 | -re ".*Kill the program being debugged.*y or n. $"\ |
| 347 | {send_gdb "y\n" |
| 348 | gdb_expect { |
| 349 | -re "$gdb_prompt $" {pass "after attach3, exit"} |
| 350 | timeout {fail "(timeout) after attach3, exit"} |
| 351 | } |
| 352 | } |
| 353 | -re "$gdb_prompt $" {fail "after attach3, exit"} |
| 354 | timeout {fail "(timeout) after attach3, exit"} |
| 355 | } |
| 356 | } |
| 357 | |
| 358 | proc do_call_attach_tests {} { |
| 359 | global gdb_prompt |
| 360 | global binfile2 |
| 361 | |
| 362 | # Start the program running and then wait for a bit, to be sure |
| 363 | # that it can be attached to. |
| 364 | # |
| 365 | set testpid [eval exec $binfile2 &] |
| 366 | exec sleep 2 |
| 367 | |
| 368 | # Attach |
| 369 | # |
| 370 | gdb_test "file $binfile2" ".*" "force switch to gdb64, if necessary" |
| 371 | send_gdb "attach $testpid\n" |
| 372 | gdb_expect { |
| 373 | -re ".*warning: reading register.*I.*O error.*$gdb_prompt $" { |
| 374 | fail "attach call, read register 3 error" |
| 375 | } |
| 376 | -re "Attaching to.*process $testpid.*libc.*$gdb_prompt $" { |
| 377 | pass "attach call" |
| 378 | } |
| 379 | -re "$gdb_prompt $" {fail "attach call"} |
| 380 | timeout {fail "(timeout) attach call"} |
| 381 | } |
| 382 | |
| 383 | # See if other registers are problems |
| 384 | # |
| 385 | send_gdb "i r r3\n" |
| 386 | gdb_expect { |
| 387 | -re ".*warning: reading register.*$gdb_prompt $" { |
| 388 | pass "CHFts23490: known bug" |
| 389 | } |
| 390 | -re ".*r3.*$gdb_prompt $" { |
| 391 | pass "Bug fixed, Yayyy!" |
| 392 | } |
| 393 | timeout { fail "timeout on info reg" } |
| 394 | } |
| 395 | |
| 396 | # Get rid of the process |
| 397 | # |
| 398 | gdb_test "p should_exit = 1" ".*" |
| 399 | gdb_test "c" ".*Program exited normally.*" |
| 400 | |
| 401 | # Be paranoid |
| 402 | # |
| 403 | remote_exec build "kill -9 ${testpid}" |
| 404 | |
| 405 | } |
| 406 | |
| 407 | |
| 408 | # Start with a fresh gdb |
| 409 | # |
| 410 | gdb_exit |
| 411 | gdb_start |
| 412 | gdb_reinitialize_dir $srcdir/$subdir |
| 413 | gdb_load ${binfile} |
| 414 | |
| 415 | # This is a test of gdb's ability to attach to a running process. |
| 416 | # |
| 417 | do_attach_tests |
| 418 | |
| 419 | # Test attaching when the target is inside a system call |
| 420 | # |
| 421 | gdb_exit |
| 422 | gdb_start |
| 423 | |
| 424 | gdb_reinitialize_dir $srcdir/$subdir |
| 425 | do_call_attach_tests |
| 426 | |
| 427 | return 0 |