gdb/testsuite/gdb.base/return2.exp

   1 # Copyright 2000-2020 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 # This file was written by Michael Snyder (msnyder@redhat.com)
  17
  18
  19 standard_testfile .c
  20
  21 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  22      untested "failed to compile"
  23      return -1
  24 }
  25
  26 set skip_float_test [gdb_skip_float_test]
  27
  28 proc return_1 { type } {
  29     global gdb_prompt
  30
  31     gdb_test "break ${type}_func" "Breakpoint \[0123456789\].*" \
  32             "set break on ${type}_func"
  33     gdb_test "continue" "Breakpoint.* ${type}_func.*" \
  34             "continue to ${type}_func"
  35
  36     gdb_test_multiple "return testval.${type}_testval" \
  37         "return from ${type}_func" {
  38             -re "Make ${type}_func return now.*y or n. $" {
  39                 send_gdb "y\n"
  40                 exp_continue
  41             }
  42             -re ".*${type}_resultval *= ${type}_func.*$gdb_prompt $" {
  43                 send_gdb "step\n"
  44                 exp_continue
  45             }
  46             -re ".*${type}_checkpoint.*$gdb_prompt $" {
  47                 pass "return from ${type}_func"
  48             }
  49         }
  50     gdb_test "print ${type}_resultval == testval.${type}_testval" ".* = 1" \
  51             "${type} value returned successfully"
  52     gdb_test "print ${type}_resultval != ${type}_returnval" ".* = 1" \
  53             "validate result value not equal to program return value, ${type}"
  54 }
  55
  56 proc return_void { } {
  57     global gdb_prompt
  58
  59     gdb_test "break void_func" "Breakpoint \[0123456789\].*" \
  60             "set break on void_func"
  61     gdb_test "continue" "Breakpoint.* void_func.*" \
  62             "continue to void_func"
  63
  64     gdb_test_multiple "return" "return from void_func" {
  65         -re "Make void_func return now.*y or n. $" {
  66             send_gdb "y\n"
  67             exp_continue
  68         }
  69         -re ".*void_func.*call to void_func.*$gdb_prompt $" {
  70             send_gdb "step\n"
  71             exp_continue
  72         }
  73         -re ".*void_checkpoint.*$gdb_prompt $" {
  74             pass "return from void_func"
  75         }
  76     }
  77     gdb_test "print void_test == 0" ".* = 1" \
  78             "void function returned successfully"
  79 }
  80
  81 proc return2_tests { } {
  82     global gdb_prompt skip_float_test
  83
  84     if { ! [ runto_main ] } then {
  85         untested "couldn't run to main"
  86         return -1
  87     }
  88
  89     return_void
  90     return_1 "char"
  91     return_1 "short"
  92     return_1 "int"
  93     return_1 "long"
  94     if { ! [istarget "m6811-*-*"] && ![istarget "h8300*-*"] } then {
  95         return_1 "long_long"
  96     }
  97     if {!$skip_float_test} {
  98         return_1 "float"
  99         if { ! [istarget "m6811-*-*"] } then {
 100             return_1 "double"
 101         }
 102     }
 103 }
 104
 105 # Start with a fresh gdb.
 106
 107 clean_restart ${binfile}
 108
 109 set timeout 30
 110 return2_tests