gdb/testsuite/gdb.base/miscexprs.exp

   1 # Copyright 1998-2020 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
  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 if [get_compiler_info] {
  48     return -1
  49 }
  50
  51 clean_restart ${binfile}
  52
  53
  54 #
  55 # set it up at a breakpoint so we can play with the variable values
  56 #
  57 if ![runto_main] then {
  58     perror "couldn't run to breakpoint"
  59     continue
  60 }
  61
  62 gdb_test "break marker1" ".*" ""
  63
  64 gdb_test "cont" \
  65     "Break.* marker1 \\(\\) at .*:$decimal.*" \
  66     "continue to marker1"
  67
  68 gdb_test "up" " main .*" "up from marker1"
  69
  70 global hex
  71
  72 gdb_test "print &ibig.i\[0\]" " = \\(int \\*\\) $hex" \
  73     "print value of &ibig.i\[0\]"
  74
  75 gdb_test_multiple "print &cbig.c\[0\]" "print value of &cbig.c\[0\]" {
  76     -re ".\[0-9\]* = $hex \"\".*$gdb_prompt $" {
  77         pass "print value of &cbig.c\[0\]"
  78     }
  79     -re ".\[0-9\]* = $hex \"*\".*$gdb_prompt $" {
  80         pass "print value of &cbig.c\[0\]"
  81     }
  82 }
  83
  84 gdb_test "print &fbig.f\[0\]" " = \\(float \\*\\) $hex" \
  85     "print value of &fbig.f\[0\]"
  86
  87 gdb_test "print &dbig.d\[0\]" " = \\(double \\*\\) $hex" \
  88     "print value of &dbig.d\[0\]"
  89
  90 gdb_test_multiple "print &sbig.s\[0\]" "print value of &sbig.s\[0\]" {
  91     -re ".\[0-9\]* = \\(short \\*\\) $hex.*$gdb_prompt $" {
  92         pass "print value of &sbig.s\[0\]"
  93     }
  94     -re ".\[0-9\]* = \\(short int \\*\\) $hex.*$gdb_prompt $" {
  95         pass "print value of &sbig.s\[0\]"
  96     }
  97 }
  98
  99 gdb_test_multiple "print &lbig.l\[0\]" "print value of &lbig.l\[0\]" {
 100     -re ".\[0-9\]* = \\(long \\*\\) $hex.*$gdb_prompt $" {
 101         pass "print value of &lbig.l\[0\]"
 102     }
 103     -re ".\[0-9\]* = \\(long int \\*\\) $hex.*$gdb_prompt $" {
 104         pass "print value of &lbig.l\[0\]"
 105     }
 106 }
 107
 108 gdb_test "print ibig.i\[100\] | 1" " = 5" \
 109     "print value of ibig.i\[100\] | 1"
 110
 111 gdb_test "print sbig.s\[90\] & 127" " = 127" \
 112     "print value of sbig.s\[90\] & 127"
 113
 114 gdb_test "print !ibig.i\[100\]" " = $false" \
 115     "print value of !ibig.i\[100\]"
 116
 117 gdb_test "print !sbig.s\[90\]" " = $false" \
 118     "print value of !sbig.s\[90\]"
 119
 120 gdb_test "print !fbig.f\[100\]" " = $false" \
 121     "print value of !ibig.i\[100\]"
 122
 123 gdb_test "print !dbig.d\[202\]" " = $false" \
 124     "print value of !ibig.i\[100\]"
 125
 126 gdb_test "print sbig.s\[90\] * 10" " = 2550" \
 127     "print value of !sbig.s\[90\] * 10"
 128
 129 gdb_test "print ibig.i\[100\] * sbig.s\[90\]" " = 1275" \
 130     "print value of ibig.i\[100\] * sbig.s\[90\]"
 131
 132 gdb_test "print fbig.f\[100\] * dbig.d\[202\]" " = 119.99\[0-9\]*" \
 133     "print value of fbig.f\[100\] * dbig.d\[202\]"
 134
 135 gdb_test "print !(sbig.s\[90\] * 2)" " = $false" \
 136     "print value of !(sbig.s\[90\] * 2)"
 137
 138 gdb_test "print sizeof(sbig)" " = 800" "print value of sizeof sbig"
 139
 140 gdb_test "print sizeof(cbig)" " = 100" "print value of sizeof cbig"
 141
 142 gdb_test "print sizeof(lbig)/sizeof(long)" " = 900" \
 143     "print value of sizeof lbig / sizeof long"
 144
 145 gdb_test "print ibig.i\[100\] << 2" " = 20" \
 146     "print value of ibig.i\[100\] << 2"
 147
 148 gdb_test "print sbig.s\[90\] >> 4" " = 15" \
 149     "print value of sbig.s\[90\] >> 4"
 150
 151 gdb_test "print lbig.l\[333\] >> 6" " = 15624999" \
 152     "print value of lbig.l\[333\] >> 6"
 153