gdb/testsuite/gdb.base/advance.exp

   1 # Copyright 2003-2021 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 # advance.exp -- Expect script to test 'advance' in gdb
  17
  18 standard_testfile
  19
  20 if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
  21     return -1
  22 }
  23
  24 if ![runto_main] then {
  25     fail "can't run to main"
  26     return 0
  27 }
  28
  29 # Verify that "advance <location>" works.  (This is really just syntactic
  30 # sugar for "tbreak <location>; continue".)
  31 #
  32 gdb_test "advance [gdb_get_line_number "advance this location"]" \
  33         "main .* at .*:.*b = 3.*advance this location.*" \
  34         "advance line number"
  35
  36 # Verify that a malformed "advance" is gracefully caught.
  37 #
  38 gdb_test "advance [gdb_get_line_number "advance malformed"] then stop" \
  39     "malformed linespec error: unexpected string, \"then stop\"" \
  40     "malformed advance"
  41
  42 # Verify that "advance <funcname>" works.
  43 #
  44 gdb_test "advance func" \
  45         "func.*at.*x = x \\+ 5."
  46
  47 # Verify that "advance <funcname>" when funcname is NOT called by the current
  48 # frame, stops at the end of the current frame.
  49 #
  50 # gdb can legitimately stop on either the current line or the next line,
  51 # depending on whether the machine instruction for 'call' on the current
  52 # line has more instructions after it or not.
  53 #
  54 gdb_test "advance func3" \
  55         "(in main|).*(func \\(c\\)|marker1 \\(\\)).*stop here after leaving current frame..."\
  56         "advance function not called by current frame"
  57
  58 # break at main again
  59 #
  60 gdb_test "break [gdb_get_line_number "break here"]" \
  61         ".*Breakpoint.* at .*" \
  62         "set breakpoint at call to func3"
  63 gdb_test "continue" \
  64         ".*Breakpoint ${decimal}, main.*func3.*break here.*" \
  65         "continue to call to func3 in main"
  66
  67 # Verify that "advance <funcname>" when funcname is called as parameter to
  68 # another function works.
  69 #
  70 gdb_test "advance foo" \
  71         "foo \\(a=5\\).*int b = a \\+ 10;"\
  72         "advance function called as param"
  73
  74 # Verify that we get an error if we use 'advance' w/o argument
  75 #
  76 gdb_test "advance" \
  77         "Argument required \\(a location\\)."\
  78         "advance with no argument"
  79