gdb/testsuite/gdb.base/skip.exp

   1 #   Copyright 2011-2016 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 # This file was written by Justin Lebar. (justin.lebar@gmail.com)
  17 # And further hacked on by Doug Evans. (dje@google.com)
  18
  19 if { [prepare_for_testing skip.exp "skip" \
  20                           {skip.c skip1.c } \
  21                           {debug nowarnings}] } {
  22     return -1
  23 }
  24
  25 set srcfile skip.c
  26 set srcfile1 skip1.c
  27
  28 # Right after we start gdb, there's no default file or function to skip.
  29
  30 gdb_test "skip file" "No default file now." "skip file (no default file)"
  31 gdb_test "skip function" "No default function now."
  32 gdb_test "skip" "No default function now." "skip (no default function)"
  33
  34 # Test elided args.
  35
  36 gdb_test "skip -fi" "Missing value for -fi option."
  37 gdb_test "skip -file" "Missing value for -file option."
  38 gdb_test "skip -fu" "Missing value for -fu option."
  39 gdb_test "skip -function" "Missing value for -function option."
  40 gdb_test "skip -rfu" "Missing value for -rfu option."
  41 gdb_test "skip -rfunction" "Missing value for -rfunction option."
  42
  43 # Test other invalid option combinations.
  44
  45 gdb_test "skip -x" "Invalid skip option: -x"
  46 gdb_test "skip -rfu foo.* xyzzy" "Invalid argument: xyzzy"
  47
  48 if ![runto_main] {
  49     fail "Can't run to main"
  50     return
  51 }
  52
  53 # Test |info skip| with an empty skiplist.
  54
  55 gdb_test "info skip" "Not skipping any files or functions\." "info skip empty"
  56
  57 # Create a skiplist entry for the current file and function.
  58
  59 gdb_test "skip file" "File .*$srcfile will be skipped when stepping\." "skip file ($srcfile)"
  60 gdb_test "skip" "Function main will be skipped when stepping\." "skip (main)"
  61
  62 # Create a skiplist entry for a specified file and function.
  63
  64 gdb_test "skip file skip1.c" "File .*$srcfile1 will be skipped when stepping\."
  65 gdb_test "skip function baz" "Function baz will be skipped when stepping\."
  66
  67 # Test bad skiplist entry modification commands
  68
  69 gdb_test "skip enable 999" "No skiplist entries found with number 999."
  70 gdb_test "skip disable 999" "No skiplist entries found with number 999."
  71 gdb_test "skip delete 999" "No skiplist entries found with number 999."
  72 gdb_test "skip enable a" "Args must be numbers or '\\$' variables."
  73 gdb_test "skip disable a" "Args must be numbers or '\\$' variables."
  74 gdb_test "skip delete a" "Args must be numbers or '\\$' variables."
  75
  76 # Ask for info on a skiplist entry which doesn't exist.
  77
  78 gdb_test "info skip 999" "No skiplist entries found with number 999."
  79
  80 # Does |info skip| look right?
  81
  82 gdb_test "info skip" \
  83     "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
  84 1\\s+y\\s+n\\s+.*$srcfile\\s+n\\s+<none>\\s*
  85 2\\s+y\\s+n\\s+<none>\\s+n\\s+main\\s*
  86 3\\s+y\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*
  87 4\\s+y\\s+n\\s+<none>\\s+n\\s+baz\\s*"
  88
  89 # Right now, we have an outstanding skiplist entry on both source
  90 # files, so when we step into the first line in main(), we should step
  91 # right over it and go to the second line of main().
  92
  93 if ![runto_main] {
  94     fail "Can't run to main"
  95     return
  96 }
  97 gdb_test "step" ".*" "step in the main"
  98 gdb_test "bt" "\\s*\\#0\\s+main.*" "step after all ignored"
  99
 100 # Now remove skip.c from the skiplist.  Our first step should take us
 101 # into foo(), and our second step should take us to the next line in main().
 102
 103 gdb_test "skip delete 1"
 104 # Check that entry 1 is missing from |info skip|
 105 gdb_test "info skip" \
 106     "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
 107 2\\s+y\\s+n\\s+<none>\\s+n\\s+main\\s*
 108 3\\s+y\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*
 109 4\\s+y\\s+n\\s+<none>\\s+n\\s+baz\\s*" \
 110     "info skip (delete 1)"
 111
 112 if ![runto_main] {
 113     fail "Can't run to main"
 114     return
 115 }
 116 set test "step after deleting 1"
 117 gdb_test "step" "foo \\(\\) at.*" "$test (1)"
 118 gdb_test "step" ".*" "$test (2)" ; # Return from foo()
 119 gdb_test "step" "main \\(\\) at.*" "$test (3)"
 120
 121 # Now disable the skiplist entry for  skip1.c.  We should now
 122 # step into foo(), then into bar(), but not into baz().
 123
 124 gdb_test "skip disable 3"
 125 # Is entry 3 disabled in |info skip|?
 126 gdb_test "info skip 3" \
 127     "3\\s+n\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*" \
 128     "info skip shows entry as disabled"
 129
 130 if ![runto_main] {
 131     fail "Can't run to main"
 132     return
 133 }
 134 set test "step after disabling 3"
 135 gdb_test "step" "bar \\(\\) at.*" "$test (1)"
 136 gdb_test "step" ".*" "$test (2)"; # Return from foo()
 137 gdb_test "step" "foo \\(\\) at.*" "$test (3)"
 138 gdb_test "step" ".*" "$test (4)"; # Return from bar()
 139 gdb_test "step" "main \\(\\) at.*" "$test (5)"
 140
 141 # Enable skiplist entry 3 and make sure we step over it like before.
 142
 143 gdb_test "skip enable 3"
 144 # Is entry 3 enabled in |info skip|?
 145 gdb_test "info skip 3" \
 146     "3\\s+y\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*" \
 147     "info skip shows entry as enabled"
 148 if ![runto_main] {
 149     fail "Can't run to main"
 150     return
 151 }
 152 set test "step after enable 3"
 153 gdb_test "step" "foo \\(\\) at.*" "$test (1)"
 154 gdb_test "step" ".*" "$test (2)"; # Return from foo()
 155 gdb_test "step" "main \\(\\) at.*" "$test (3)"
 156
 157 gdb_test "skip disable"
 158 gdb_test "info skip" \
 159     "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
 160 2\\s+n\\s+n\\s+<none>\\s+n\\s+main\\s*
 161 3\\s+n\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*
 162 4\\s+n\\s+n\\s+<none>\\s+n\\s+baz\\s*" \
 163     "info skip after disabling all"
 164
 165 gdb_test "skip enable"
 166 gdb_test "info skip" \
 167     "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
 168 2\\s+y\\s+n\\s+<none>\\s+n\\s+main\\s*
 169 3\\s+y\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*
 170 4\\s+y\\s+n\\s+<none>\\s+n\\s+baz\\s*" \
 171     "info skip after enabling all"
 172
 173 gdb_test "skip disable 4 2-3"
 174 gdb_test "info skip" \
 175     "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
 176 2\\s+n\\s+n\\s+<none>\\s+n\\s+main\\s*
 177 3\\s+n\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*
 178 4\\s+n\\s+n\\s+<none>\\s+n\\s+baz\\s*" \
 179     "info skip after disabling 4 2-3"
 180
 181 gdb_test "skip enable 2-3"
 182 gdb_test "info skip" \
 183     "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
 184 2\\s+y\\s+n\\s+<none>\\s+n\\s+main\\s*
 185 3\\s+y\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*
 186 4\\s+n\\s+n\\s+<none>\\s+n\\s+baz\\s*" \
 187     "info skip after enabling 2-3"
 188
 189 gdb_test "info skip 2-3" \
 190     "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
 191 2\\s+y\\s+n\\s+<none>\\s+n\\s+main\\s*
 192 3\\s+y\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*" \
 193     "info skip 2-3"
 194
 195 gdb_test "skip delete 2 3"
 196 gdb_test "info skip" \
 197     "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
 198 4\\s+n\\s+n\\s+<none>\\s+n\\s+baz\\s*" \
 199     "info skip after deleting 2 3"
 200
 201 gdb_test "skip delete"
 202 gdb_test "info skip" "Not skipping any files or functions\." \
 203     "info skip after deleting all"
 204
 205 # Now test skip -fi, etc.
 206
 207 # Create a skiplist entry for a specified file and function.
 208 gdb_test "skip -fi skip1.c" "File .*$srcfile1 will be skipped when stepping\."
 209 gdb_test "skip -gfi sk*1.c" "File\\(s\\) sk\\*1.c will be skipped when stepping\."
 210 gdb_test "skip -fu baz" "Function baz will be skipped when stepping\."
 211 gdb_test "skip -rfu ^b.z$" "Function\\(s\\) \\^b\\.z\\$ will be skipped when stepping."
 212
 213 if ![runto_main] {
 214     fail "Can't run to main"
 215     return
 216 }
 217
 218 set test "step using -fi"
 219 gdb_test_no_output "skip disable"
 220 gdb_test_no_output "skip enable 5"
 221 gdb_test "step" "foo \\(\\) at.*" "$test (1)"
 222 gdb_test "step" ".*" "$test (2)"; # Return from foo()
 223 gdb_test "step" "main \\(\\) at.*" "$test (3)"
 224
 225 if ![runto_main] {
 226     fail "Can't run to main"
 227     return
 228 }
 229
 230 set test "step using -gfi"
 231 gdb_test_no_output "skip disable"
 232 gdb_test_no_output "skip enable 6"
 233 gdb_test "step" "foo \\(\\) at.*" "$test (1)"
 234 gdb_test "step" ".*" "$test (2)"; # Return from foo()
 235 gdb_test "step" "main \\(\\) at.*" "$test (3)"
 236
 237 if ![runto_main] {
 238     fail "Can't run to main"
 239     return
 240 }
 241
 242 set test "step using -fu for baz"
 243 gdb_test_no_output "skip disable"
 244 gdb_test_no_output "skip enable 7"
 245 gdb_test "step" "bar \\(\\) at.*" "$test (1)"
 246 gdb_test "step" ".*" "$test (2)"; # Return from bar()
 247 gdb_test "step" "foo \\(\\) at.*" "$test (3)"
 248 gdb_test "step" ".*" "$test (4)"; # Return from foo()
 249 gdb_test "step" "main \\(\\) at.*" "$test (5)"
 250
 251 if ![runto_main] {
 252     fail "Can't run to main"
 253     return
 254 }
 255
 256 set test "step using -rfu for baz"
 257 gdb_test_no_output "skip disable"
 258 gdb_test_no_output "skip enable 8"
 259 gdb_test "step" "bar \\(\\) at.*" "$test (1)"
 260 gdb_test "step" ".*" "$test (2)"; # Return from bar()
 261 gdb_test "step" "foo \\(\\) at.*" "$test (3)"
 262 gdb_test "step" ".*" "$test (4)"; # Return from foo()
 263 gdb_test "step" "main \\(\\) at.*" "$test (5)"
 264
 265 # Test -fi + -fu.
 266
 267 if ![runto_main] {
 268     fail "Can't run to main"
 269     return
 270 }
 271
 272 set test "step using -fi + -fu"
 273 gdb_test_no_output "skip delete"
 274 gdb_test "skip -fi skip1.c -fu test_skip" \
 275     "Function test_skip in file skip1.c will be skipped when stepping\."
 276 gdb_breakpoint "test_skip_file_and_function"
 277 gdb_breakpoint "end_test_skip_file_and_function"
 278 gdb_test "call test_skip_file_and_function ()" "silently stop."
 279 # Verify we can step into skip.c:test_skip but not skip1.c:test_skip.
 280 gdb_test "step" "test_skip \\(\\) at.*" "$test (1)"
 281 gdb_test "step" "test_skip_file_and_function \\(\\) at.*" "$test (2)"; # Return from test_skip()
 282 gdb_test "step" "skip1_test_skip_file_and_function \\(\\) at.*" "$test (4)"
 283 gdb_test "step" ".*" "$test (5)"; # Skip over test_skip()
 284 gdb_test "step" "test_skip_file_and_function \\(\\) at.*" "$test (6)"; # Return from skip1_test_skip_file_and_function()