gdb/testsuite/gdb.base/miscexprs.exp

   1 # Copyright 1998-2023 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
  17 # This file is part of the gdb testsuite
  18 # file written by Elena Zannoni (ezannoni@cygnus.com)
  19
  20 #
  21 # tests for expressions with struct/array elements and mixed operator types
  22 # with elementary types
  23 #
  24
  25 # By default, the datastructures are allocated on the stack.  For targets
  26 # with very small stack, that will not work.  In that case, just set
  27 # storage to `-DSTORAGE=static' which changes the datastructures to be
  28 # allocated in data segment.
  29 set storage "-DSTORAGE="
  30 if [target_info exists gdb,small_stack_section] {
  31     set storage "-DSTORAGE=static"
  32 }
  33
  34 set additional_flags "additional_flags=${storage}"
  35
  36 #
  37 # test running programs
  38 #
  39
  40 standard_testfile .c
  41
  42 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug ${additional_flags} nowarnings]] != "" } {
  43     untested "failed to compile"
  44     return -1
  45 }
  46
  47 clean_restart ${binfile}
  48
  49
  50 #
  51 # set it up at a breakpoint so we can play with the variable values
  52 #
  53 if {![runto_main]} {
  54     return
  55 }
  56
  57 # This is used as an expected result value.
  58 set false 0
  59
  60 gdb_test "break marker1" ".*" ""
  61
  62 gdb_test "cont" \
  63     "Break.* marker1 \\(\\) at .*:$decimal.*" \
  64     "continue to marker1"
  65
  66 gdb_test "up" " main .*" "up from marker1"
  67
  68 global hex
  69
  70 gdb_test "print &ibig.i\[0\]" " = \\(int \\*\\) $hex"
  71
  72 gdb_test_multiple "print &cbig.c\[0\]" "" {
  73     -re ".\[0-9\]* = $hex \"\".*$gdb_prompt $" {
  74         pass $gdb_test_name
  75     }
  76     -re ".\[0-9\]* = $hex \"*\".*$gdb_prompt $" {
  77         pass $gdb_test_name
  78     }
  79 }
  80
  81 gdb_test "print &fbig.f\[0\]" " = \\(float \\*\\) $hex"
  82
  83 gdb_test "print &dbig.d\[0\]" " = \\(double \\*\\) $hex"
  84
  85 gdb_test_multiple "print &sbig.s\[0\]" "" {
  86     -re ".\[0-9\]* = \\(short \\*\\) $hex.*$gdb_prompt $" {
  87         pass $gdb_test_name
  88     }
  89     -re ".\[0-9\]* = \\(short int \\*\\) $hex.*$gdb_prompt $" {
  90         pass $gdb_test_name
  91     }
  92 }
  93
  94 gdb_test_multiple "print &lbig.l\[0\]" "" {
  95     -re ".\[0-9\]* = \\(long \\*\\) $hex.*$gdb_prompt $" {
  96         pass $gdb_test_name
  97     }
  98     -re ".\[0-9\]* = \\(long int \\*\\) $hex.*$gdb_prompt $" {
  99         pass $gdb_test_name
 100     }
 101 }
 102
 103 gdb_test "print ibig.i\[100\] | 1" " = 5"
 104
 105 gdb_test "print sbig.s\[90\] & 127" " = 127"
 106
 107 gdb_test "print !ibig.i\[100\]" " = $false"
 108
 109 gdb_test "print !sbig.s\[90\]" " = $false"
 110
 111 gdb_test "print !fbig.f\[100\]" " = $false"
 112
 113 gdb_test "print !dbig.d\[202\]" " = $false"
 114
 115 gdb_test "print sbig.s\[90\] * 10" " = 2550"
 116
 117 gdb_test "print ibig.i\[100\] * sbig.s\[90\]" " = 1275"
 118
 119 gdb_test "print fbig.f\[100\] * dbig.d\[202\]" " = 119.99\[0-9\]*"
 120
 121 gdb_test "print !(sbig.s\[90\] * 2)" " = $false"
 122
 123 gdb_test "print sizeof(sbig)" " = 800"
 124
 125 gdb_test "print sizeof(cbig)" " = 100"
 126
 127 gdb_test "print sizeof(lbig)/sizeof(long)" " = 900"
 128
 129 gdb_test "print ibig.i\[100\] << 2" " = 20"
 130
 131 gdb_test "print sbig.s\[90\] >> 4" " = 15"
 132
 133 gdb_test "print lbig.l\[333\] >> 6" " = 15624999"
 134