gdb/testsuite/gdb.base/recurse.exp

   1 # Copyright (C) 1992, 1996 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 2 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, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-gdb@prep.ai.mit.edu
  19
  20 # This file was written by Jeff Law. (law@cs.utah.edu)
  21
  22 if $tracelevel then {
  23     strace $tracelevel
  24 }
  25
  26 set prms_id 0
  27 set bug_id 0
  28
  29 set testfile "recurse"
  30 set srcfile ${testfile}.c
  31 set binfile ${objdir}/${subdir}/${testfile}
  32 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  33     perror "Couldn't compile ${srcfile}"
  34     return -1
  35 }
  36
  37 # Start with a fresh gdb.
  38
  39 gdb_exit
  40 gdb_start
  41 gdb_reinitialize_dir $srcdir/$subdir
  42 gdb_load ${binfile}
  43
  44 proc recurse_tests {} {
  45
  46     if [runto recurse] then {
  47         # First we need to step over the assignment of b, so it has a known
  48         # value.
  49         gdb_test "next" "if \\(a == 1\\)" "next over b = 0 in first instance"
  50         gdb_test "watch b" ".*\[Ww\]atchpoint \[0-9]*: b" \
  51             "set first instance watchpoint"
  52
  53         # Continue until initial set of b.
  54         if [gdb_test "continue" \
  55             "Continuing.*\[Ww\]atchpoint.*: b.*Old value = 0.*New value = 10.*" \
  56             "continue to first instance watchpoint, first time"] then {
  57             return
  58         }
  59
  60         # Continue inward for a few iterations
  61         gdb_test "continue" "Breakpoint.* recurse \\(a=9\\).*" \
  62             "continue to recurse (a = 9)"
  63         gdb_test "continue" "Breakpoint.* recurse \\(a=8\\).*" \
  64             "continue to recurse (a = 8)"
  65         gdb_test "continue" "Breakpoint.* recurse \\(a=7\\).*" \
  66             "continue to recurse (a = 7)"
  67         gdb_test "continue" "Breakpoint.* recurse \\(a=6\\).*" \
  68             "continue to recurse (a = 6)"
  69         gdb_test "continue" "Breakpoint.* recurse \\(a=5\\).*" \
  70             "continue to recurse (a = 5)"
  71
  72         # Put a watchpoint on another instance of b
  73         # First we need to step over the assignment of b, so it has a known
  74         # value.
  75         gdb_test "next" "if \\(a == 1\\)" "next over b = 0 in second instance"
  76         gdb_test "watch b" ".*\[Ww\]atchpoint \[0-9]*: b" \
  77             "set second instance watchpoint"
  78
  79         # Continue until initial set of b (second instance).
  80         if [gdb_test "continue" \
  81             "Continuing.*\[Ww\]atchpoint.*: b.*Old value = 0.*New value = 5.*"\
  82             "continue to second instance watchpoint, first time"] then {
  83             return
  84         }
  85
  86         # Continue inward for a few iterations
  87         gdb_test "continue" "Breakpoint.* recurse \\(a=4\\).*" \
  88             "continue to recurse (a = 4)"
  89         gdb_test "continue" "Breakpoint.* recurse \\(a=3\\).*" \
  90             "continue to recurse (a = 3)"
  91         gdb_test "continue" "Breakpoint.* recurse \\(a=2\\).*" \
  92             "continue to recurse (a = 2)"
  93         gdb_test "continue" "Breakpoint.* recurse \\(a=1\\).*" \
  94             "continue to recurse (a = 1)"
  95
  96         # Continue until second set of b (second instance).
  97         if [gdb_test "continue" \
  98             "Continuing.*\[Ww\]atchpoint.*: b.*Old value = 5.*New value = 120.*return.*" \
  99             "continue to second instance watchpoint, second time"] then {
 100             return
 101         }
 102
 103         # Continue again.  We should have a watchpoint go out of scope now
 104         if [gdb_test "continue" \
 105             "Continuing.*\[Ww\]atchpoint.*deleted.*recurse \\(a=6\\) .*" \
 106             "second instance watchpoint deleted when leaving scope"] then {
 107             return
 108         }
 109
 110         # Continue until second set of b (first instance).
 111         if [gdb_test "continue" \
 112             "Continuing.*\[Ww\]atchpoint.*b.*Old value = 10.*New value = 3628800.*return.*" \
 113             "continue to first instance watchpoint, second time"] then {
 114             return
 115         }
 116
 117         # Continue again.  We should have a watchpoint go out of scope now
 118         if [gdb_test "continue" \
 119             "Continuing.*\[Ww\]atchpoint.*deleted.*main \\(\\) .*" \
 120             "first instance watchpoint deleted when leaving scope"] then {
 121             return
 122         }
 123     }
 124 }
 125
 126 # Only enabled for some targets merely because it has not been tested
 127 # elsewhere.
 128 if {[istarget "sparc*-*-sunos4*"] || [istarget "hppa*-*-bsd*"] || [istarget "sparclet-*-*"] || [istarget "m32r-*-elf"] || [istarget "mn10200-*-*"]} then {
 129
 130     # Preserve the old timeout, and set a new one that should be
 131     # sufficient to avoid timing out during this test.
 132     set oldtimeout $timeout
 133     set timeout [expr "$timeout + 60"]
 134     verbose "Timeout is now $timeout seconds" 2
 135
 136     recurse_tests
 137
 138     # Restore the preserved old timeout value.
 139     set timeout $oldtimeout
 140     verbose "Timeout is now $timeout seconds" 2
 141 }