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      1 # Copyright 2015-2024 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 is a regression test for bug 17416
     17 # https://sourceware.org/bugzilla/show_bug.cgi?id=17416
     18 
     19 load_lib mi-support.exp
     20 set MIFLAGS "-i=mi"
     21 
     22 standard_testfile
     23 
     24 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
     25     untested "failed to compile"
     26     return -1
     27 }
     28 
     29 if {[mi_clean_restart $binfile]} {
     30     return
     31 }
     32 
     33 set line_invalid_pointer_value [gdb_get_line_number "p_outer set to invalid value"]
     34 set line_valid_pointer_value [gdb_get_line_number "p_outer set to valid value"]
     35 
     36 # set print object on
     37 mi_gdb_test "-interpreter-exec console \"set print object on\"" \
     38     "(.*=cmd-param-changed,param=\"print object\",value=\"on\".*|)\\^done" \
     39     "set print object on"
     40 
     41 mi_runto_main
     42 
     43 mi_continue_to_line $line_invalid_pointer_value "continue to invalid pointer value"
     44 
     45 # Create variable object
     46 mi_gdb_test "-var-create var1 * p_outer" "\\^done,name=\"var1\",numchild=\"1\",value=\"0x0\",type=\"struct outer \\*\",thread-id=\"1\",has_more=\"0\"" "create variable object"
     47 
     48 # List children while the pointer is uninitialized.
     49 # Note: if you remove this -var-list-children, the second one will work.
     50 mi_gdb_test "-var-list-children var1" "\\^done,numchild=\"1\",children=\\\[child={name=\"var1.inner\",exp=\"inner\",numchild=\"1\",type=\"struct inner \\*\",thread-id=\"1\"}\\\],has_more=\"0\"" "list children #1"
     51 
     52 mi_continue_to_line $line_valid_pointer_value "continue to valid pointer value"
     53 
     54 # Update and list children again
     55 mi_gdb_test "-var-update var1" "\\^done,changelist=\\\[{name=\"var1\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"},{name=\"var1.inner\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"}\\\]" "update variable object"
     56 
     57 mi_gdb_test "-var-list-children var1" "\\^done,numchild=\"1\",children=\\\[child={name=\"var1.inner\",exp=\"inner\",numchild=\"1\",type=\"struct inner \\*\",thread-id=\"1\"}\\\],has_more=\"0\"" "list children #2"
     58 
     59