gdb/testsuite/gdb.base/condbreak.exp

   1 # Copyright 1997-2013 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 # This test was written by Rich Title.
  17 # Purpose is to test conditional breakpoints.
  18 # Modeled after "break.exp".
  19
  20 #
  21 # test running programs
  22 #
  23
  24 standard_testfile break.c break1.c
  25
  26 if {[prepare_for_testing ${testfile}.exp $testfile [list $srcfile $srcfile2] \
  27          {debug nowarnings}]} {
  28     return -1
  29 }
  30
  31 if [get_compiler_info] {
  32     return -1
  33 }
  34
  35 clean_restart ${binfile}
  36
  37
  38 set bp_location1  [gdb_get_line_number "set breakpoint 1 here"]
  39 set bp_location6  [gdb_get_line_number "set breakpoint 6 here"]
  40 set bp_location8  [gdb_get_line_number "set breakpoint 8 here" $srcfile2]
  41 set bp_location9  [gdb_get_line_number "set breakpoint 9 here" $srcfile2]
  42 set bp_location13 [gdb_get_line_number "set breakpoint 13 here" $srcfile2]
  43 set bp_location14 [gdb_get_line_number "set breakpoint 14 here" $srcfile2]
  44 set bp_location15 [gdb_get_line_number "set breakpoint 15 here" $srcfile2]
  45 set bp_location16 [gdb_get_line_number "set breakpoint 16 here" $srcfile2]
  46 set bp_location17 [gdb_get_line_number "set breakpoint 17 here" $srcfile2]
  47 set bp_location18 [gdb_get_line_number "set breakpoint 18 here" $srcfile2]
  48
  49 #
  50 # test break at function
  51 #
  52 gdb_test "break main" \
  53     "Breakpoint.*at.* file .*$srcfile, line.*" \
  54     "breakpoint function"
  55
  56 #
  57 # test conditional break at function
  58 #
  59 gdb_test "break marker1 if 1==1" \
  60     "Breakpoint.*at.* file .*$srcfile2, line.*"
  61
  62 gdb_test_no_output "delete 2"
  63
  64 #
  65 # test conditional break at line number
  66 #
  67 gdb_test "break $srcfile:$bp_location1 if 1==1" \
  68     "Breakpoint.*at.* file .*$srcfile, line $bp_location1\\."
  69
  70 gdb_test_no_output "delete 3"
  71
  72 #
  73 # test conditional break at function
  74 #
  75 gdb_test "break marker1 if (1==1)" \
  76     "Breakpoint.*at.* file .*$srcfile2, line.*"
  77
  78 #
  79 # test conditional break at line number
  80 #
  81 gdb_test "break $srcfile:$bp_location1 if (1==1)" \
  82     "Breakpoint.*at.* file .*$srcfile, line $bp_location1\\."
  83
  84 gdb_test "break marker2 if (a==43)" \
  85     "Breakpoint.*at.* file .*$srcfile2, line.*"
  86
  87 #
  88 # Check break involving inferior function call.
  89 # Ensure there is at least one additional breakpoint with higher VMA.
  90 #
  91 gdb_test "break marker3 if (multi_line_if_conditional(1,1,1)==0)" \
  92     "Breakpoint.*at.* file .*$srcfile2, line.*"
  93 gdb_test "break marker4" \
  94     "Breakpoint.*at.* file .*$srcfile2, line.*"
  95
  96 #
  97 # check to see what breakpoints are set
  98 #
  99
 100 if {$hp_aCC_compiler} {
 101     set marker1_proto "\\(void\\)"
 102     set marker2_proto "\\(int\\)"
 103     # Not checked.
 104     set marker3_proto "\\(char \\*, char \\*\\)"
 105     set marker4_proto "\\(long\\)"
 106 } else {
 107     set marker1_proto ""
 108     set marker2_proto ""
 109     set marker3_proto ""
 110     set marker4_proto ""
 111 }
 112
 113 gdb_test "info break" \
 114     "Num     Type\[ \]+Disp Enb Address\[ \]+What.*
 115 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location6.*
 116 \[0-9\]+\[\t \]+breakpoint     keep y.* in marker1$marker1_proto at .*$srcfile2:($bp_location15|$bp_location16).*
 117 \[\t \]+stop only if \\(1==1\\).*
 118 \[0-9\]+\[\t \]+breakpoint     keep y.* in main at .*$srcfile:$bp_location1.*
 119 \[\t \]+stop only if \\(1==1\\).*
 120 \[0-9\]+\[\t \]+breakpoint     keep y.* in marker2$marker2_proto at .*$srcfile2:($bp_location8|$bp_location9).*
 121 \[\t \]+stop only if \\(a==43\\).*
 122 \[0-9\]+\[\t \]+breakpoint     keep y.* in marker3$marker3_proto at .*$srcfile2:($bp_location17|$bp_location18).*
 123 \[\t \]+stop only if \\(multi_line_if_conditional\\(1,1,1\\)==0\\).*
 124 \[0-9\]+\[\t \]+breakpoint     keep y.* in marker4$marker4_proto at .*$srcfile2:($bp_location13|$bp_location14).*" \
 125     "breakpoint info"
 126
 127
 128 #
 129 # run until the breakpoint at main is hit.
 130 #
 131
 132
 133 rerun_to_main
 134
 135 #
 136 # run until the breakpoint at a line number
 137 #
 138 gdb_test "continue" "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location1.*$bp_location1\[\t \]+printf.*factorial.*" \
 139                         "run until breakpoint set at a line number"
 140
 141 #
 142 # run until the breakpoint at marker1
 143 #
 144 # If the inferior stops at the first instruction of a source line, GDB
 145 # won't print the actual PC value; the source line is enough to
 146 # exactly specify the PC.  But if the inferior is instead stopped in
 147 # the midst of a source line, GDB will include the PC in the
 148 # breakpoint hit message.  This way, GDB always provides the exact
 149 # stop location, but avoids clutter when possible.
 150 #
 151 # Suppose you have a function written completely on one source line, like:
 152 #    int foo (int x) { return 0; }
 153 # Setting a breakpoint at `foo' actually places the breakpoint after
 154 # foo's prologue.
 155 #
 156 # GCC's STABS writer always emits a line entry attributing the
 157 # prologue instructions to the line containing the function's open
 158 # brace, even if the first user instruction is also on that line.
 159 # This means that, in the case of a one-line function, you will get
 160 # two line entries in the debug info for the same line: one at the
 161 # function's entry point, and another at the first user instruction.
 162 # GDB preserves these duplicated line entries, and prefers the later
 163 # one; thus, when the program stops after the prologue, at the first
 164 # user instruction, GDB's search finds the second line entry, decides
 165 # that the PC is indeed at the beginning of a source line, and doesn't
 166 # print an address in the breakpoint hit message.
 167 #
 168 # GCC's Dwarf2 writer, on the other hand, squeezes out duplicate line
 169 # entries, so GDB considers the source line to begin at the start of
 170 # the function's prologue.  Thus, if the program stops at the
 171 # breakpoint, GDB will decide that the PC is not at the beginning of a
 172 # source line, and will print an address.
 173 #
 174 # I think the Dwarf2 writer's behavior is arguably correct, but not
 175 # helpful.  If the user sets a breakpoint at that source line, they
 176 # want that breakpoint to fall after the prologue.  Identifying the
 177 # prologue's code with the opening brace is nice, but it shouldn't
 178 # take precedence over real code.
 179 #
 180 # Until the Dwarf2 writer gets fixed, I'm going to XFAIL its behavior.
 181 gdb_test_multiple "continue" "run until breakpoint at marker1" {
 182     -re  "Continuing\\..*Breakpoint \[0-9\]+, marker1 \\(\\) at .*$srcfile2:($bp_location15|$bp_location16).*($bp_location15|$bp_location16)\[\t \]+.*$gdb_prompt $" {
 183         pass "run until breakpoint at marker1"
 184     }
 185     -re  "Continuing\\..*Breakpoint \[0-9\]+, $hex in marker1 \\(\\) at .*$srcfile2:($bp_location15|$bp_location16).*($bp_location15|$bp_location16)\[\t \]+.*$gdb_prompt $" {
 186         xfail "run until breakpoint at marker1"
 187     }
 188 }
 189
 190 # run until the breakpoint at marker2
 191 # Same issues here as above.
 192 setup_xfail hppa2.0w-*-* 11512CLLbs
 193 gdb_test_multiple "continue" "run until breakpoint at marker2" {
 194     -re "Continuing\\..*Breakpoint \[0-9\]+, marker2 \\(a=43\\) at .*$srcfile2:($bp_location8|$bp_location9).*($bp_location8|$bp_location9)\[\t \]+.*$gdb_prompt $" {
 195         pass "run until breakpoint at marker2"
 196     }
 197     -re "Continuing\\..*Breakpoint \[0-9\]+, $hex in marker2 \\(a=43\\) at .*$srcfile2:($bp_location8|$bp_location9).*($bp_location8|$bp_location9)\[\t \]+.*$gdb_prompt $" {
 198         xfail "run until breakpoint at marker2"
 199     }
 200 }
 201
 202 # Test combinations of conditional and thread-specific breakpoints.
 203 gdb_test "break main if (1==1) thread 999" \
 204     "Unknown thread 999\\."
 205 gdb_test "break main thread 999 if (1==1)" \
 206     "Unknown thread 999\\."
 207
 208 # Verify that both if and thread can be distinguished from a breakpoint
 209 # address expression.
 210 gdb_test "break *main if (1==1) thread 999" \
 211     "Unknown thread 999\\."
 212 gdb_test "break *main thread 999 if (1==1)" \
 213     "Unknown thread 999\\."
 214
 215 # Similarly for task.
 216 gdb_test "break *main if (1==1) task 999" \
 217     "Unknown task 999\\."
 218 gdb_test "break *main task 999 if (1==1)" \
 219     "Unknown task 999\\."
 220
 221 # GDB accepts abbreviations for "thread" and "task".
 222 gdb_test "break *main if (1==1) t 999" \
 223     "Unknown thread 999\\."
 224 gdb_test "break *main if (1==1) th 999" \
 225     "Unknown thread 999\\."
 226 gdb_test "break *main if (1==1) ta 999" \
 227     "Unknown task 999\\."
 228
 229 set test "run until breakpoint at marker3"
 230 gdb_test_multiple "continue" $test {
 231     -re "Continuing\\..*Breakpoint \[0-9\]+, marker3 \\(a=$hex \"stack\", b=$hex \"trace\"\\) at .*$srcfile2:($bp_location17|$bp_location18).*($bp_location17|$bp_location18)\[\t \]+.*$gdb_prompt $" {
 232         pass $test
 233     }
 234     -re "Continuing\\..*Breakpoint \[0-9\]+, $hex in marker3 \\(a=$hex \"stack\", b=$hex \"trace\"\\) at .*$srcfile2:($bp_location17|$bp_location18).*($bp_location17|$bp_location18)\[\t \]+.*$gdb_prompt $" {
 235         xfail $test
 236     }
 237 }
 238
 239 set test "run until breakpoint at marker4"
 240 gdb_test_multiple "continue" $test {
 241     -re "Continuing\\..*Breakpoint \[0-9\]+, marker4 \\(d=177601976\\) at .*$srcfile2:($bp_location13|$bp_location14).*($bp_location13|$bp_location14)\[\t \]+.*$gdb_prompt $" {
 242         pass $test
 243     }
 244     -re "Continuing\\..*Breakpoint \[0-9\]+, $hex in marker4 \\(d=177601976\\) at .*$srcfile2:($bp_location13|$bp_location14).*($bp_location13|$bp_location14)\[\t \]+.*$gdb_prompt $" {
 245         xfail $test
 246     }
 247 }
 248
 249 gdb_test "complete cond 1" "cond 1"
 250 gdb_test "set variable \$var = 1"
 251 gdb_test "complete cond \$v" "cond \\\$var"
 252 gdb_test "complete cond 1 values\[0\].a" "cond 1 values.0..a_field"