gdb/testsuite/gdb.base/return2.exp

   1 # Copyright 2000, 2001, 2004, 2007, 2008, 2009, 2010, 2011
   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
  24 set testfile "return2"
  25 set srcfile ${testfile}.c
  26 set binfile ${objdir}/${subdir}/${testfile}
  27 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  28      untested return2.exp
  29      return -1
  30 }
  31
  32 proc return_1 { type } {
  33     global gdb_prompt
  34
  35     gdb_test "break ${type}_func" "Breakpoint \[0123456789\].*" \
  36             "set break on ${type}_func"
  37     gdb_test "continue" "Breakpoint.* ${type}_func.*" \
  38             "continue to ${type}_func"
  39
  40     gdb_test_multiple "return testval.${type}_testval" \
  41         "return from ${type}_func" {
  42             -re "Make ${type}_func return now.*y or n. $" {
  43                 send_gdb "y\n"
  44                 exp_continue
  45             }
  46             -re ".*${type}_resultval *= ${type}_func.*$gdb_prompt $" {
  47                 send_gdb "step\n"
  48                 exp_continue
  49             }
  50             -re ".*${type}_checkpoint.*$gdb_prompt $" {
  51                 pass "return from ${type}_func"
  52             }
  53         }
  54     gdb_test "print ${type}_resultval == testval.${type}_testval" ".* = 1" \
  55             "${type} value returned successfully"
  56     gdb_test "print ${type}_resultval != ${type}_returnval" ".* = 1" \
  57             "validate result value not equal to program return value"
  58 }
  59
  60 proc return_void { } {
  61     global gdb_prompt
  62
  63     gdb_test "break void_func" "Breakpoint \[0123456789\].*" \
  64             "set break on void_func"
  65     gdb_test "continue" "Breakpoint.* void_func.*" \
  66             "continue to void_func"
  67
  68     gdb_test_multiple "return" "return from void_func" {
  69         -re "Make void_func return now.*y or n. $" {
  70             send_gdb "y\n"
  71             exp_continue
  72         }
  73         -re ".*void_func.*call to void_func.*$gdb_prompt $" {
  74             send_gdb "step\n"
  75             exp_continue
  76         }
  77         -re ".*void_checkpoint.*$gdb_prompt $" {
  78             pass "return from void_func"
  79         }
  80     }
  81     gdb_test "print void_test == 0" ".* = 1" \
  82             "void function returned successfully"
  83 }
  84
  85 proc return2_tests { } {
  86     global gdb_prompt
  87
  88     if { ! [ runto_main ] } then {
  89         untested return2.exp
  90         return -1
  91     }
  92
  93     return_void
  94     return_1 "char"
  95     return_1 "short"
  96     return_1 "int"
  97     return_1 "long"
  98     if { ! [istarget "m6811-*-*"] && ![istarget "h8300*-*"] } then {
  99         return_1 "long_long"
 100     }
 101     if ![target_info exists gdb,skip_float_tests] {
 102         return_1 "float"
 103         if { ! [istarget "m6811-*-*"] } then {
 104             return_1 "double"
 105         }
 106     }
 107 }
 108
 109 # Start with a fresh gdb.
 110
 111 gdb_exit
 112 gdb_start
 113 gdb_reinitialize_dir $srcdir/$subdir
 114 gdb_load ${binfile}
 115
 116 set timeout 30
 117 return2_tests