gdb/testsuite/gdb.base/finish.exp

   1 # Copyright 2000-2022 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 set skip_float_test [gdb_skip_float_test]
  19
  20 # re-use the program from the "return2" test.
  21 if { [prepare_for_testing "failed to prepare" finish return2.c] } {
  22     return -1
  23 }
  24
  25 proc finish_1 { type } {
  26     global gdb_prompt
  27
  28     gdb_test "break ${type}_func" "Breakpoint \[0123456789\].*" \
  29             "set break on ${type}_func"
  30     gdb_test "continue" "Breakpoint.* ${type}_func.*" \
  31             "continue to ${type}_func"
  32     gdb_test_multiple "finish" "finish from ${type}_func" {
  33         -re ".*Value returned is .* = 49 '1'\r\n$gdb_prompt $" {
  34             if { $type == "char" } {
  35                 pass "finish from char_func"
  36             } else {
  37                 fail "finish from ${type}_func"
  38             }
  39         }
  40         -re ".*Value returned is .* = \[0123456789\]* '1'\r\n$gdb_prompt $" {
  41             if { $type == "char" } {
  42                 pass "finish from char_func (non-ASCII char set?)"
  43             } else {
  44                 fail "finish from ${type}_func"
  45             }
  46         }
  47         -re ".*Value returned is .* = 1\r\n$gdb_prompt $" {
  48             pass "finish from ${type}_func"
  49         }
  50     }
  51 }
  52
  53 proc finish_void { } {
  54     global gdb_prompt
  55
  56     gdb_test "break void_func" "Breakpoint \[0123456789\].*" \
  57             "set break on void_func"
  58     gdb_test "continue" "Breakpoint.* void_func.*" \
  59             "continue to void_func"
  60     # Some architectures will have one or more instructions after the
  61     # call instruction which still is part of the call sequence, so we
  62     # must be prepared for a "finish" to show us the void_func call
  63     # again as well as the statement after.
  64     gdb_test_multiple "finish" "finish from void_func" {
  65         -re ".*void_checkpoint.*$gdb_prompt $" {
  66             pass "finish from void_func"
  67         }
  68         -re "0x\[0-9a-fA-F\]+ in main.*call to void_func.*$gdb_prompt $" {
  69             pass "finish from void_func"
  70         }
  71     }
  72 }
  73
  74 # A function that tests that the given ABBREV is a working abbreviation
  75 # of the "finish" command.
  76
  77 proc finish_abbreviation { abbrev } {
  78
  79     if { ! [ runto "int_func" ] } then {
  80         fail "running to int_func"
  81         return -1
  82     }
  83
  84     gdb_test "$abbrev" \
  85              "Value returned is .* = 1" \
  86              "Testing the \"$abbrev\" abbreviation for \"finish\""
  87 }
  88
  89 # Test "set print finish off".
  90 proc finish_no_print {} {
  91     global decimal
  92
  93     if {![runto "int_func"]} {
  94         untested "couldn't run to main"
  95         return
  96     }
  97     gdb_test_no_output "set print finish off"
  98     gdb_test "finish" \
  99         "Value returned is \\\$$decimal = <not displayed>"
 100     gdb_test "print \$" " = 1" \
 101         "Ensure return value was properly saved"
 102 }
 103
 104 proc finish_tests { } {
 105     global gdb_prompt skip_float_test
 106
 107     if { ! [ runto_main ] } then {
 108         untested "couldn't run to main"
 109         return -1
 110     }
 111
 112     finish_void
 113     finish_1 "char"
 114     finish_1 "short"
 115     finish_1 "int"
 116     finish_1 "long"
 117     finish_1 "long_long"
 118     if {!$skip_float_test} {
 119         finish_1 "float"
 120         finish_1 "double"
 121     }
 122     finish_abbreviation "fin"
 123     finish_no_print
 124 }
 125
 126 set prev_timeout $timeout
 127 set timeout 30
 128 finish_tests
 129 set timeout $prev_timeout