gdb/testsuite/gdb.base/skip.exp

   1 #   Copyright 2011-2018 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 "failed to prepare" "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
  98 gdb_test "step" ".*" "step in the main"
  99 gdb_test "bt" "\\s*\\#0\\s+main.*" "step after all ignored"
 100
 101 # Now remove skip.c from the skiplist.  Our first step should take us
 102 # into foo(), and our second step should take us to the next line in main().
 103
 104 with_test_prefix "step after deleting 1" {
 105     gdb_test "skip delete 1"
 106     # Check that entry 1 is missing from |info skip|
 107     gdb_test "info skip" \
 108         "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
 109 2\\s+y\\s+n\\s+<none>\\s+n\\s+main\\s*
 110 3\\s+y\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*
 111 4\\s+y\\s+n\\s+<none>\\s+n\\s+baz\\s*" \
 112         "info skip (delete 1)"
 113
 114     if ![runto_main] {
 115         fail "can't run to main"
 116         return
 117     }
 118
 119     gdb_test "step" "foo \\(\\) at.*" "step 1"
 120     gdb_test "step" ".*" "step 2" ; # Return from foo()
 121     gdb_test "step" "main \\(\\) at.*" "step 3"
 122 }
 123
 124 # Now disable the skiplist entry for  skip1.c.  We should now
 125 # step into foo(), then into bar(), but not into baz().
 126
 127 with_test_prefix "step after disabling 3" {
 128     gdb_test "skip disable 3"
 129     # Is entry 3 disabled in |info skip|?
 130     gdb_test "info skip 3" \
 131         "3\\s+n\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*" \
 132         "info skip shows entry as disabled"
 133
 134     if ![runto_main] {
 135         fail "can't run to main"
 136         return
 137     }
 138
 139     gdb_test "step" "bar \\(\\) at.*" "step 1"
 140     gdb_test "step" ".*" "step 2"; # Return from foo()
 141     gdb_test "step" "foo \\(\\) at.*" "step 3"
 142     gdb_test "step" ".*" "step 4"; # Return from bar()
 143     gdb_test "step" "main \\(\\) at.*" "step 5"
 144 }
 145
 146 # Enable skiplist entry 3 and make sure we step over it like before.
 147
 148 with_test_prefix "step after enable 3" {
 149     gdb_test "skip enable 3"
 150     # Is entry 3 enabled in |info skip|?
 151     gdb_test "info skip 3" \
 152         "3\\s+y\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*" \
 153         "info skip shows entry as enabled"
 154
 155     if ![runto_main] {
 156         fail "can't run to main"
 157         return
 158     }
 159
 160     gdb_test "step" "foo \\(\\) at.*" "step 1"
 161     gdb_test "step" ".*" "step 2"; # Return from foo()
 162     gdb_test "step" "main \\(\\) at.*" "step 3"
 163 }
 164
 165 # Admin tests (disable,enable,delete).
 166
 167 with_test_prefix "admin" {
 168     gdb_test "skip disable"
 169     gdb_test "info skip" \
 170         "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
 171 2\\s+n\\s+n\\s+<none>\\s+n\\s+main\\s*
 172 3\\s+n\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*
 173 4\\s+n\\s+n\\s+<none>\\s+n\\s+baz\\s*" \
 174         "info skip after disabling all"
 175
 176     gdb_test "skip enable"
 177     gdb_test "info skip" \
 178         "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
 179 2\\s+y\\s+n\\s+<none>\\s+n\\s+main\\s*
 180 3\\s+y\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*
 181 4\\s+y\\s+n\\s+<none>\\s+n\\s+baz\\s*" \
 182         "info skip after enabling all"
 183
 184     gdb_test "skip disable 4 2-3"
 185     gdb_test "info skip" \
 186         "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
 187 2\\s+n\\s+n\\s+<none>\\s+n\\s+main\\s*
 188 3\\s+n\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*
 189 4\\s+n\\s+n\\s+<none>\\s+n\\s+baz\\s*" \
 190         "info skip after disabling 4 2-3"
 191
 192     gdb_test "skip enable 2-3"
 193     gdb_test "info skip" \
 194         "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
 195 2\\s+y\\s+n\\s+<none>\\s+n\\s+main\\s*
 196 3\\s+y\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*
 197 4\\s+n\\s+n\\s+<none>\\s+n\\s+baz\\s*" \
 198         "info skip after enabling 2-3"
 199
 200     gdb_test "info skip 2-3" \
 201         "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
 202 2\\s+y\\s+n\\s+<none>\\s+n\\s+main\\s*
 203 3\\s+y\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*" \
 204         "info skip 2-3"
 205
 206     gdb_test "skip delete 2 3"
 207     gdb_test "info skip" \
 208         "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
 209 4\\s+n\\s+n\\s+<none>\\s+n\\s+baz\\s*" \
 210         "info skip after deleting 2 3"
 211
 212     gdb_test "skip delete"
 213     gdb_test "info skip" "Not skipping any files or functions\." \
 214         "info skip after deleting all"
 215 }
 216
 217 # Now test skip -fi, etc.
 218
 219 # Create a skiplist entry for a specified file and function.
 220 gdb_test "skip -fi skip1.c" "File .*$srcfile1 will be skipped when stepping\."
 221 gdb_test "skip -gfi sk*1.c" "File\\(s\\) sk\\*1.c will be skipped when stepping\."
 222 gdb_test "skip -fu baz" "Function baz will be skipped when stepping\."
 223 gdb_test "skip -rfu ^b.z$" "Function\\(s\\) \\^b\\.z\\$ will be skipped when stepping."
 224
 225 with_test_prefix "step using -fi" {
 226     if ![runto_main] {
 227         fail "can't run to main"
 228         return
 229     }
 230
 231     gdb_test_no_output "skip disable"
 232     gdb_test_no_output "skip enable 5"
 233     gdb_test "step" "foo \\(\\) at.*" "step 1"
 234     gdb_test "step" ".*" "step 2"; # Return from foo()
 235     gdb_test "step" "main \\(\\) at.*" "step 3"
 236 }
 237
 238 with_test_prefix "step using -gfi" {
 239     if ![runto_main] {
 240         fail "can't run to main"
 241         return
 242     }
 243
 244     gdb_test_no_output "skip disable"
 245     gdb_test_no_output "skip enable 6"
 246     gdb_test "step" "foo \\(\\) at.*" "step 1"
 247     gdb_test "step" ".*" "step 2"; # Return from foo()
 248     gdb_test "step" "main \\(\\) at.*" "step 3"
 249 }
 250
 251 with_test_prefix "step using -fu for baz" {
 252     if ![runto_main] {
 253         fail "can't run to main"
 254         return
 255     }
 256
 257     gdb_test_no_output "skip disable"
 258     gdb_test_no_output "skip enable 7"
 259     gdb_test "step" "bar \\(\\) at.*" "step 1"
 260     gdb_test "step" ".*" "step 2"; # Return from bar()
 261     gdb_test "step" "foo \\(\\) at.*" "step 3"
 262     gdb_test "step" ".*" "step 4"; # Return from foo()
 263     gdb_test "step" "main \\(\\) at.*" "step 5"
 264 }
 265
 266 with_test_prefix "step using -rfu for baz" {
 267     if ![runto_main] {
 268         fail "can't run to main"
 269         return
 270     }
 271
 272     gdb_test_no_output "skip disable"
 273     gdb_test_no_output "skip enable 8"
 274     gdb_test "step" "bar \\(\\) at.*" "step 1"
 275     gdb_test "step" ".*" "step 2"; # Return from bar()
 276     gdb_test "step" "foo \\(\\) at.*" "step 3"
 277     gdb_test "step" ".*" "step 4"; # Return from foo()
 278     gdb_test "step" "main \\(\\) at.*" "step 5"
 279 }
 280
 281 # Test -fi + -fu.
 282
 283 with_test_prefix "step using -fi + -fu" {
 284     gdb_test_no_output "skip delete"
 285
 286     if ![runto test_skip_file_and_function no-message] {
 287         fail "can't run to test_skip_file_and_function"
 288         return
 289     }
 290
 291     gdb_test "skip -fi skip1.c -fu test_skip" \
 292         "Function test_skip in file skip1.c will be skipped when stepping\."
 293     # Verify we can step into skip.c:test_skip but not skip1.c:test_skip.
 294     gdb_test "step" "test_skip \\(\\) at.*" "step 1"
 295     gdb_test "step" "test_skip_file_and_function \\(\\) at.*" "step 2"; # Return from test_skip()
 296     gdb_test "step" "skip1_test_skip_file_and_function \\(\\) at.*" "step 3"
 297     gdb_test "step" ".*" "step 4"; # Skip over test_skip()
 298     gdb_test "step" "test_skip_file_and_function \\(\\) at.*" "step 5"; # Return from skip1_test_skip_file_and_function()
 299 }