gdb/testsuite/gdb.mi/mi-var-invalidate.exp

   1 # Copyright 2007-2013 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 # Test essential Machine interface (MI) operations
  17 #
  18 # Verify that once binary file has changed, GDB correctly handles
  19 # previously defined MI variables.
  20 #
  21
  22
  23 load_lib mi-support.exp
  24 set MIFLAGS "-i=mi"
  25
  26 gdb_exit
  27 if [mi_gdb_start] {
  28     continue
  29 }
  30
  31 standard_testfile var-cmd.c
  32
  33 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  34     untested mi-var-invalidate.exp
  35     return -1
  36 }
  37 # Just change the output binary.
  38 set binfile_bis [standard_output_file mi-var-invalidate_bis]
  39 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile_bis}" executable {debug}] != "" } {
  40     untested mi-var-invalidate.exp
  41     return -1
  42 }
  43
  44 set testfile2 "basics"
  45 set srcfile2 ${testfile2}.c
  46 set binfile2 [standard_output_file ${testfile2}]
  47 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug}] != "" } {
  48     untested mi-var-invalidate.exp
  49     return -1
  50 }
  51
  52 mi_delete_breakpoints
  53 mi_gdb_reinitialize_dir $srcdir/$subdir
  54 mi_gdb_load ${binfile}
  55
  56 # Desc:  Create global variable.
  57 mi_create_varobj global_simple global_simple "create global variable"
  58
  59 mi_runto do_locals_tests
  60
  61 # Desc: create local variables
  62 mi_create_varobj linteger linteger "create local variable linteger"
  63
  64 # Desc: create floating variable
  65 mi_create_floating_varobj float_simple array "create floating variable"
  66
  67 #
  68 # Reload the same binary.
  69 # Global variable should remain, local should be invalidated.
  70 #
  71 mi_delete_breakpoints
  72 mi_gdb_load ${binfile_bis}
  73 mi_runto main
  74
  75 # Change format of floating variable immediately after reload reveals a
  76 # bug where gdb still uses a free'd pointer.
  77 mi_gdb_test "-var-set-format float_simple hexadecimal" \
  78         "\\^done,format=\"hexadecimal\",value=\"\\\[-1\\\]\"" \
  79        "set format variable float_simple"
  80
  81 # Check local variable is "invalid".
  82 mi_gdb_test "-var-update linteger" \
  83         "\\^done,changelist=\\\[\{name=\"linteger\",in_scope=\"invalid\",has_more=\"0\"\}\\\]" \
  84         "linteger not anymore in scope due to binary changes"
  85
  86 mi_gdb_test "-var-info-type linteger" \
  87         "\\^done,type=\"\"" \
  88         "no type for invalid variable linteger (1)"
  89
  90 # Check global variable is still correct.
  91 mi_gdb_test "-var-update global_simple" \
  92         "\\^done,changelist=\\\[\]" \
  93         "global_simple still alive"
  94
  95 mi_gdb_test "-var-info-type global_simple" \
  96         "\\^done,type=\"simpleton\"" \
  97         "type simpleton for valid variable global_simple"
  98
  99
 100 #
 101 # Load an other binary.
 102 # All variables must be invalidated.
 103 #
 104 mi_delete_breakpoints
 105 mi_gdb_load ${binfile2}
 106 # Check local variable are "invalid"
 107 mi_gdb_test "-var-update linteger" \
 108         "\\^done,changelist=\\\[\{name=\"linteger\",in_scope=\"invalid\",has_more=\"0\"\}\\\]" \
 109         "linteger not valid anymore due to binary changes"
 110
 111 mi_gdb_test "-var-info-type linteger" \
 112         "\\^done,type=\"\"" \
 113         "no type for invalid variable linteger (2)"
 114
 115 # Check global variable are still correct.
 116 mi_gdb_test "-var-update global_simple" \
 117         "\\^done,changelist=\\\[\{name=\"global_simple\",in_scope=\"invalid\",has_more=\"0\"\}\\\]" \
 118         "global_simple not anymore in scope due to binary changes"
 119
 120 mi_gdb_test "-var-info-type global_simple" \
 121         "\\^done,type=\"\"" \
 122         "no type for invalid variable global_simple"
 123
 124 mi_gdb_exit
 125 return 0