gdb/testsuite/gdb.base/return2.exp

   1 # Copyright 2000, 2001, 2004, 2007, 2008, 2009, 2010
   2 # Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 # This file was written by Michael Snyder (msnyder@redhat.com)
  18
  19 if $tracelevel then {
  20         strace $tracelevel
  21 }
  22
  23 set prms_id 0
  24 set bug_id 0
  25
  26 set testfile "return2"
  27 set srcfile ${testfile}.c
  28 set binfile ${objdir}/${subdir}/${testfile}
  29 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  30      untested return2.exp
  31      return -1
  32 }
  33
  34 proc return_1 { type } {
  35     global gdb_prompt
  36
  37     gdb_test "break ${type}_func" "Breakpoint \[0123456789\].*" \
  38             "set break on ${type}_func"
  39     gdb_test "continue" "Breakpoint.* ${type}_func.*" \
  40             "continue to ${type}_func"
  41     send_gdb "return testval.${type}_testval\n"
  42     gdb_expect {
  43         -re "Make ${type}_func return now.*y or n. $" {
  44             send_gdb "y\n"
  45             exp_continue
  46         }
  47         -re ".*${type}_resultval *= ${type}_func.*$gdb_prompt $" {
  48             send_gdb "step\n"
  49             exp_continue
  50         }
  51         -re ".*${type}_checkpoint.*$gdb_prompt $" {
  52             pass "return from ${type}_func"
  53         }
  54         -re ".*$gdb_prompt $" {
  55             fail "return from ${type}_func"
  56         }
  57         timeout {
  58             fail "return from ${type}_func (timeout)"
  59         }
  60     }
  61     gdb_test "print ${type}_resultval == testval.${type}_testval" ".* = 1" \
  62             "${type} value returned successfully"
  63     gdb_test "print ${type}_resultval != ${type}_returnval" ".* = 1" \
  64             "validate result value not equal to program return value"
  65 }
  66
  67 proc return_void { } {
  68     global gdb_prompt
  69
  70     gdb_test "break void_func" "Breakpoint \[0123456789\].*" \
  71             "set break on void_func"
  72     gdb_test "continue" "Breakpoint.* void_func.*" \
  73             "continue to void_func"
  74     send_gdb "return \n"
  75     gdb_expect {
  76         -re "Make void_func return now.*y or n. $" {
  77             send_gdb "y\n"
  78             exp_continue
  79         }
  80         -re ".*void_func.*call to void_func.*$gdb_prompt $" {
  81             send_gdb "step\n"
  82             exp_continue
  83         }
  84         -re ".*void_checkpoint.*$gdb_prompt $" {
  85             pass "return from void_func"
  86         }
  87         -re ".*$gdb_prompt $" {
  88             fail "return from void_func"
  89         }
  90         timeout {
  91             fail "return from void_func (timeout)"
  92         }
  93     }
  94     gdb_test "print void_test == 0" ".* = 1" \
  95             "void function returned successfully"
  96 }
  97
  98 proc return2_tests { } {
  99     global gdb_prompt
 100
 101     if { ! [ runto_main ] } then {
 102         untested return2.exp
 103         return -1
 104     }
 105
 106     return_void
 107     return_1 "char"
 108     return_1 "short"
 109     return_1 "int"
 110     return_1 "long"
 111     if { ! [istarget "m6811-*-*"] && ![istarget "h8300*-*"] } then {
 112         return_1 "long_long"
 113     }
 114     return_1 "float"
 115     if { ! [istarget "m6811-*-*"] } then {
 116         return_1 "double"
 117     }
 118 }
 119
 120 # Start with a fresh gdb.
 121
 122 gdb_exit
 123 gdb_start
 124 gdb_reinitialize_dir $srcdir/$subdir
 125 gdb_load ${binfile}
 126
 127 set timeout 30
 128 return2_tests