gdb/testsuite/gdb.base/func-ptrs.exp

   1 # Copyright 2014-2017 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 set testname func-ptrs
  17 set srcfile ${testname}.c
  18 if { [prepare_for_testing "failed to prepare" ${testname} ${srcfile}] } {
  19     return -1
  20 }
  21
  22 if { ![runto_main] } {
  23     untested "could not run to main"
  24     return -1
  25 }
  26
  27
  28 # First set our breakpoints.
  29
  30 set fp_breakpoint_re \
  31     "Breakpoint $decimal at $hex: file .*${srcfile}, line $decimal\\."
  32 gdb_test "break sentinel if calc == decr" \
  33     "${fp_breakpoint_re}" \
  34     "breakpoint at sentinel"
  35 gdb_test "break incr" \
  36     "${fp_breakpoint_re}" \
  37     "breakpoint at incr"
  38 gdb_test "break decr" \
  39     "${fp_breakpoint_re}" \
  40     "breakpoint at decr"
  41
  42
  43 # Check if we run through to the breakpoint in incr.
  44
  45 gdb_test "continue" \
  46     "Breakpoint $decimal, incr \\(i=-1\\)\[ \r\n\]+at .*${srcfile}:$decimal\[\r\n\]+.*" \
  47     "continue to incr, first time"
  48
  49
  50 # Go back up, make sure the return value is 0.
  51
  52 gdb_test "finish" \
  53     "Run till exit from #0 +incr \\(i=-1\\)\[ \r\n\]+at .*${srcfile}:$decimal\[\r\n\]+($hex in )?main \\(\\)\[ \r\n\]+at .*${srcfile}:$decimal\[\r\n\]+.*Value returned is \\$$decimal = 0" \
  54     "go back to main from incr, first time"
  55
  56
  57 # Redirect calc and see if we run to the breakpoint in decr instead.
  58
  59 gdb_test_no_output "set calc = decr" "set calc to decr"
  60 gdb_test "continue" \
  61     "Breakpoint $decimal, decr \\(i=0\\)\[ \r\n\]+at .*${srcfile}:$decimal\[\r\n\]+.*" \
  62     "continue to decr"
  63
  64
  65 # Go back up, check if we stop in sentinel instead.
  66
  67 gdb_test "finish" \
  68     "Run till exit from #0 +decr \\(i=0\\)\[ \r\n\]+at .*${srcfile}:$decimal\[\r\n\]+Breakpoint $decimal, sentinel \\(\\)\[ \r\n\]+at .*${srcfile}:$decimal\[\r\n\]+.*" \
  69     "stop in sentinel"
  70
  71
  72 # Go back all the way up to main, make sure the return value is -1.
  73
  74 gdb_test_no_output "up-silently" "move up to decr"
  75 gdb_test "finish" \
  76     "Run till exit from #1 +($hex in )?decr \\(i=0\\)\[ \r\n\]+at .*${srcfile}:$decimal\[\r\n\]+($hex in )?main \\(\\)\[ \r\n\]+at .*${srcfile}:$decimal\[\r\n\]+.*Value returned is \\$$decimal = -1" \
  77     "go back to main from decr"
  78
  79
  80 # Reset calc and see if we run to the breakpoint in incr again.
  81
  82 gdb_test_no_output "set calc = incr" "set calc to incr"
  83 gdb_test "continue" \
  84     "Breakpoint $decimal, incr \\(i=-1\\)\[ \r\n\]+at .*${srcfile}:$decimal\[\r\n\]+.*" \
  85     "continue to incr, second time"
  86
  87
  88 # Go back up again, make sure the return value is 0.
  89
  90 gdb_test "finish" \
  91     "Run till exit from #0 +incr \\(i=-1\\)\[ \r\n\]+at .*${srcfile}:$decimal\[\r\n\]+($hex in )?main \\(\\)\[ \r\n\]+at .*${srcfile}:$decimal\[\r\n\]+.*Value returned is \\$$decimal = 0" \
  92     "go back to main from incr, second time"
  93
  94
  95 # All done!