dbx.exp revision 1.6
1# Copyright 1998-2016 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 3 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, see <http://www.gnu.org/licenses/>. */ 15 16 17standard_testfile average.c sum.c 18 19if {[build_executable $testfile.exp $testfile \ 20 [list $srcfile $srcfile2] debug] == -1} { 21 untested $testfile.exp 22 return -1 23} 24 25# 26# start gdb -- start gdb running, default procedure 27# 28proc dbx_gdb_start { } { 29 global verbose 30 global GDB 31 global INTERNAL_GDBFLAGS GDBFLAGS 32 global prompt 33 global spawn_id 34 global timeout 35 verbose "Spawning $GDB -dbx $INTERNAL_GDBFLAGS $GDBFLAGS" 36 37 if { [which $GDB] == 0 } then { 38 perror "$GDB does not exist." 39 exit 1 40 } 41 42 set oldtimeout $timeout 43 set timeout [expr "$timeout + 60"] 44 eval "spawn $GDB -dbx $INTERNAL_GDBFLAGS $GDBFLAGS" 45 gdb_expect { 46 -re ".*\r\n$gdb_prompt $" { 47 verbose "GDB initialized." 48 } 49 -re "$prompt $" { 50 perror "GDB never initialized." 51 return -1 52 } 53 timeout { 54 perror "(timeout) GDB never initialized." 55 return -1 56 } 57 } 58 set timeout $oldtimeout 59 # force the height to "unlimited", so no pagers get used 60 send_gdb "set height 0\n" 61 gdb_expect { 62 -re ".*$prompt $" { 63 verbose "Setting height to 0." 2 64 } 65 timeout { 66 warning "Couldn't set the height to 0." 67 } 68 } 69 # force the width to "unlimited", so no wraparound occurs 70 send_gdb "set width 0\n" 71 gdb_expect { 72 -re ".*$prompt $" { 73 verbose "Setting width to 0." 2 74 } 75 timeout { 76 warning "Couldn't set the width to 0." 77 } 78 } 79} 80 81 82proc dbx_reinitialize_dir { subdir } { 83 global gdb_prompt 84 85 send_gdb "use\n" 86 gdb_expect { 87 -re "Reinitialize source path to empty.*y or n. " { 88 send_gdb "y\n" 89 gdb_expect { 90 -re "Source directories searched.*$gdb_prompt $" { 91 send_gdb "use $subdir\n" 92 gdb_expect { 93 -re "Source directories searched.*$gdb_prompt $" { 94 verbose "Dir set to $subdir" 95 } 96 -re ".*$gdb_prompt $" { 97 perror "Dir \"$subdir\" failed." 98 } 99 } 100 } 101 -re ".*$gdb_prompt $" { 102 perror "Dir \"$subdir\" failed." 103 } 104 } 105 } 106 -re ".*$gdb_prompt $" { 107 perror "Dir \"$subdir\" failed." 108 } 109 } 110} 111 112# In "testsuite/config/unix-gdb.exp", the routine "gdb_load" 113# is defined as "gdb_file_cmd". The binding of "gdb_file_cmd" 114# is done at invocation time. Before this file is processed, 115# it binds to the definition in "testsuite/lib/gdb.exp"; after 116# this file is processed, it binds to this definition. 117# TCL lets us overrides a previous routine definition without a 118# warning (isn't that special?). 119# 120# This means that tests before use "file" to load a target, and 121# tests afterwards use the pair "symbol-file" "exec-file". 122# 123# I'm leaving it as it is for now because at the moment it 124# is the only test we have of the use of the combination of 125# "symbol-file" and "exec-file" to load a debugging target (the 126# other definition uses "file". 127# 128# Symbol-file and exec-file should be tested explicitly, not 129# as a side effect of running a particular test (in this case, 130# "testsuite/gdb.compat/dbx.exp"). 131# 132# CM: Renamed the procedure so it does not override the orginal file name. 133# Having the test suite change behavior depending on the tests run makes 134# it extremely difficult to reproduce errors. I've also added a 135# "dbx_gdb_load" procedure. This and only this test will call these 136# procedures now. I also added an "expect" to the "send exec-file" line. 137# The "expect" waits for a prompt to appear. Otherwise, if the tests run 138# too quickly, the caller could send another command before the prompt 139# of this command returns, causing the test to get out of sync and fail 140# seemingly randomly or only on a loaded system. 141# 142# Problem is, though, that the testsuite config files can override the definition of 143# gdb_load (without notice, as was mentioned above). Unfortunately, the gdb_load proc 144# that was copied into this test was a copy of the unix native version. 145# 146# The real problem that we're attempting to solve is how to load an exec and symbol 147# file into gdb for a dbx session. So why not just override gdb_file_cmd with the 148# right sequence of events, allowing gdb_load to do its normal thing? This way 149# remotes and simulators will work, too. 150# 151# [drow 2002-03-30]: We can restore the old gdb_file_cmd afterwards, though. 152set old_gdb_file_cmd_args [info args gdb_file_cmd] 153set old_gdb_file_cmd_body [info body gdb_file_cmd] 154 155proc gdb_file_cmd {arg} { 156 global verbose 157 global loadpath 158 global loadfile 159 global GDB 160 global gdb_prompt 161 global spawn_id 162 upvar timeout timeout 163 global last_loaded_file 164 165 set last_loaded_file $arg 166 167 if [is_remote host] { 168 set arg [remote_download host $arg] 169 if { $arg == "" } { 170 error "download failed" 171 return -1 172 } 173 } 174 175 send_gdb "symbol-file $arg\n" 176 gdb_expect { 177 -re "Detected 64-bit symbol file.\r\nInvoking.*gdb64.*$gdb_prompt $" { 178 verbose "\t\tLoaded $arg into the $GDB" 179 send_gdb "exec-file $arg\n" 180 gdb_expect { 181 -re ".*$gdb_prompt $" { 182 verbose "\t\tLoaded $arg with new symbol table into $GDB" 183 return 0 184 } 185 timeout { 186 perror "(timeout) Couldn't load $arg" 187 return -1 188 } 189 } 190 return 0 191 } 192 -re "Reading symbols from.*done.*$gdb_prompt $" { 193 verbose "\t\tLoaded $arg into the $GDB" 194 send_gdb "exec-file $arg\n" 195 gdb_expect { 196 -re "A program is being debugged already.*Kill it.*y or n. $" { 197 send_gdb "y\n" 198 verbose "\t\tKilling previous program being debugged" 199 exp_continue 200 } 201 -re ".*$gdb_prompt $" { 202 verbose "\t\tLoaded $arg with new symbol table into $GDB" 203 return 0 204 } 205 timeout { 206 perror "(timeout) Couldn't load $arg" 207 return -1 208 } 209 } 210 return 0 211 } 212 -re "has no symbol-table.*$gdb_prompt $" { 213 perror "$arg wasn't compiled with \"-g\"" 214 return -1 215 } 216 -re "Load new symbol table from \".*\".*y or n. $" { 217 send_gdb "y\n" 218 exp_continue 219 } 220 -re ".*No such file or directory.*$gdb_prompt $" { 221 perror "($arg) No such file or directory\n" 222 return -1 223 } 224 -re "$gdb_prompt $" { 225 perror "couldn't load $arg into $GDB." 226 return -1 227 } 228 timeout { 229 perror "couldn't load $arg into $GDB (timed out)." 230 return -1 231 } 232 eof { 233 # This is an attempt to detect a core dump, but seems not to 234 # work. Perhaps we need to match .* followed by eof, in which 235 # expect does not seem to have a way to do that. 236 perror "couldn't load $arg into $GDB (end of file)." 237 return -1 238 } 239 } 240} 241 242# 243#test_breakpoints 244# 245proc test_breakpoints { } { 246 set stop_line [gdb_get_line_number "stop-in-main"] 247 gdb_test "stop in main" "Breakpoint.*at.*: file.*average\.c, line $stop_line\." 248 gdb_test "status" "Num.*Type.*Disp.*Enb.*Address.*What\r\n1\[ \r\]+breakpoint\[ \r\]+keep y.*in main at.*average\.c:$stop_line.*" 249 set stop_line [gdb_get_line_number "stop-at-call"] 250 gdb_test "stop at average.c:$stop_line" "Breakpoint.*at.*: file.*average\.c, line $stop_line.*" 251 gdb_test "stop in average.c:$stop_line" "Usage: stop in <function . address>" 252 gdb_test "stop at main" "Usage: stop at <line>" 253} 254 255# 256#test_assign 257# 258proc test_assign { } { 259 global decimal 260 global gdb_prompt 261 262 gdb_run_cmd 263 set test "running to main" 264 gdb_test_multiple "" $test { 265 -re "Break.* at .*:$decimal.*$gdb_prompt $" { 266 pass $test 267 } 268 -re "Breakpoint \[0-9\]*, \[0-9xa-f\]* in .*$gdb_prompt $" { 269 pass $test 270 } 271 } 272 send_gdb "assign first=1\n" 273 gdb_expect { 274 -re "No symbol \"first\" in current context.*$" { fail "assign first" } 275 -re "$gdb_prompt $" { pass "assign first" } 276 timeout { fail "assign first (timeout)" } 277 } 278 gdb_test "print first" ".1 = 1" 279} 280 281# 282#test_whereis 283# 284proc test_whereis { } { 285 gdb_test "whereis my_list" "All variables matching regular expression \"my_list\":\r\n\r\nFile.*average\.c:\r\nstatic int my_list\\\[10\\\];" 286} 287 288# 289#test_func 290# 291proc test_func { } { 292 global decimal 293 global srcfile2 294 gdb_test "cont" ".*" "cont 1" 295 gdb_test "step" ".*" 296 gdb_test "func sum" "'sum' not within current stack frame\." 297 set stop_line [gdb_get_line_number "stop-in-sum" $srcfile2] 298 gdb_test "stop in sum" "Breakpoint.*at.*: file.*sum\.c, line $stop_line\." 299 gdb_test "cont" ".*" "cont 2" 300 gdb_test "func print_average" ".*in print_average.*\\(list=.*, low=0, high=6\\).*at.*average\.c:${decimal}\r\n${decimal}\[ \t\]+total = sum\\(list, low, high\\);" 301} 302 303# Start with a fresh gdb. 304 305gdb_exit 306global GDBFLAGS 307set saved_gdbflags $GDBFLAGS 308 309set GDBFLAGS "$GDBFLAGS --dbx" 310gdb_start 311dbx_reinitialize_dir $srcdir/$subdir 312gdb_load ${binfile} 313 314test_breakpoints 315test_assign 316test_whereis 317gdb_test "file average.c:1" "1\[ \t\]+/. This is a sample program.*" 318test_func 319 320#exit and cleanup 321gdb_exit 322 323set GDBFLAGS $saved_gdbflags 324eval proc gdb_file_cmd {$old_gdb_file_cmd_args} {$old_gdb_file_cmd_body} 325 326return 0 327