gdb/testsuite/gdb.base/return2.exp

   1 # Copyright 2000, 2001, 2004, 2007 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 # Please email any bugs, comments, and/or additions to this file to:
  17 # bug-gdb@prep.ai.mit.edu
  18
  19 # This file was written by Michael Snyder (msnyder@redhat.com)
  20
  21 if $tracelevel then {
  22         strace $tracelevel
  23 }
  24
  25 set prms_id 0
  26 set bug_id 0
  27
  28 set testfile "return2"
  29 set srcfile ${testfile}.c
  30 set binfile ${objdir}/${subdir}/${testfile}
  31 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  32      untested return2.exp
  33      return -1
  34 }
  35
  36 proc return_1 { type } {
  37     global gdb_prompt
  38
  39     gdb_test "break ${type}_func" "Breakpoint \[0123456789\].*" \
  40             "set break on ${type}_func"
  41     gdb_test "continue" "Breakpoint.* ${type}_func.*" \
  42             "continue to ${type}_func"
  43     send_gdb "return testval.${type}_testval\n"
  44     gdb_expect {
  45         -re "Make ${type}_func return now.*y or n. $" {
  46             send_gdb "y\n"
  47             exp_continue
  48         }
  49         -re ".*${type}_resultval *= ${type}_func.*$gdb_prompt $" {
  50             send_gdb "step\n"
  51             exp_continue
  52         }
  53         -re ".*${type}_checkpoint.*$gdb_prompt $" {
  54             pass "return from ${type}_func"
  55         }
  56         -re ".*$gdb_prompt $" {
  57             fail "return from ${type}_func"
  58         }
  59         timeout {
  60             fail "return from ${type}_func (timeout)"
  61         }
  62     }
  63     gdb_test "print ${type}_resultval == testval.${type}_testval" ".* = 1" \
  64             "${type} value returned successfully"
  65     gdb_test "print ${type}_resultval != ${type}_returnval" ".* = 1" \
  66             "validate result value not equal to program return value"
  67 }
  68
  69 proc return_void { } {
  70     global gdb_prompt
  71
  72     gdb_test "break void_func" "Breakpoint \[0123456789\].*" \
  73             "set break on void_func"
  74     gdb_test "continue" "Breakpoint.* void_func.*" \
  75             "continue to void_func"
  76     send_gdb "return \n"
  77     gdb_expect {
  78         -re "Make void_func return now.*y or n. $" {
  79             send_gdb "y\n"
  80             exp_continue
  81         }
  82         -re ".*void_func.*call to void_func.*$gdb_prompt $" {
  83             send_gdb "step\n"
  84             exp_continue
  85         }
  86         -re ".*void_checkpoint.*$gdb_prompt $" {
  87             pass "return from void_func"
  88         }
  89         -re ".*$gdb_prompt $" {
  90             fail "return from void_func"
  91         }
  92         timeout {
  93             fail "return from void_func (timeout)"
  94         }
  95     }
  96     gdb_test "print void_test == 0" ".* = 1" \
  97             "void function returned successfully"
  98 }
  99
 100 proc return2_tests { } {
 101     global gdb_prompt
 102
 103     if { ! [ runto_main ] } then {
 104         untested return2.exp
 105         return -1
 106     }
 107
 108     return_void
 109     return_1 "char"
 110     return_1 "short"
 111     return_1 "int"
 112     return_1 "long"
 113     if { ! [istarget "m6811-*-*"] && ![istarget "h8300*-*"] } then {
 114         return_1 "long_long"
 115     }
 116     return_1 "float"
 117     if { ! [istarget "m6811-*-*"] } then {
 118         return_1 "double"
 119     }
 120 }
 121
 122 # Start with a fresh gdb.
 123
 124 gdb_exit
 125 gdb_start
 126 gdb_reinitialize_dir $srcdir/$subdir
 127 gdb_load ${binfile}
 128
 129 set timeout 30
 130 return2_tests