gdb/testsuite/gdb.base/type-opaque.exp

   1 # Copyright 2004-2023 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 # Test resolving of an opaque type from the loaded shared library.
  17
  18 require allow_shlib_tests
  19
  20 standard_testfile type-opaque-main.c
  21
  22 set libfile type-opaque-lib
  23 set libsrc "${srcdir}/${subdir}/${libfile}.c"
  24 set libobj [standard_output_file ${libfile}.so]
  25 set execsrc "${srcdir}/${subdir}/${srcfile}"
  26
  27 remote_exec build "rm -f ${binfile}"
  28
  29 if { [gdb_compile_shlib $libsrc $libobj {debug}] != ""
  30      || [gdb_compile $execsrc ${binfile} executable \
  31              [list debug shlib=${libobj}]] != "" } {
  32     return -1
  33 }
  34
  35 clean_restart ${binfile}
  36 gdb_load_shlib ${libobj}
  37
  38 if {![runto_main]} {
  39     return 0
  40 }
  41
  42
  43 # DWARF3: An incomplete structure, union or class type is represented by
  44 # a structure, union or class entry that does not have a byte size attribute
  45 # and that has a DW_AT_declaration attribute.
  46
  47
  48 proc body { struct } {
  49     global gdb_prompt
  50
  51
  52     # <1><15f>: Abbrev Number: 8 (DW_TAG_structure_type)
  53     #     DW_AT_name        : libtype_opaque
  54     #     DW_AT_declaration : 1
  55
  56     set name "opaque $struct type resolving"
  57     gdb_test_multiple "ptype pointer_${struct}_opaque" $name \
  58     {
  59         -re "libfield_opaque.*$gdb_prompt $"  {
  60             pass $name
  61         }
  62     }
  63
  64
  65     # <1><9e>: Abbrev Number: 2 (DW_TAG_structure_type)
  66     #     DW_AT_name        : libtype_empty
  67     #     DW_AT_byte_size   : 0
  68     #     DW_AT_decl_file   : 1
  69     #     DW_AT_decl_line   : 25
  70
  71     set name "empty $struct type resolving"
  72     gdb_test_multiple "ptype pointer_${struct}_empty" $name \
  73     {
  74         -re "\\{\[ \t\r\n\]*<no data fields>\[ \t\r\n\]*\\}.*$gdb_prompt $"  {
  75             pass $name
  76         }
  77         -re "libfield_empty.*$gdb_prompt $"  {
  78             fail $name
  79         }
  80     }
  81
  82
  83     # <1><b0>: Abbrev Number: 3 (DW_TAG_structure_type)
  84     #     DW_AT_sibling     : <e3>
  85     #     DW_AT_name        : libtype_filled
  86     #     DW_AT_byte_size   : 4
  87     #     DW_AT_decl_file   : 1
  88     #     DW_AT_decl_line   : 29
  89     # <2><c7>: Abbrev Number: 4 (DW_TAG_member)
  90     #     DW_AT_name        : mainfield_filled
  91     #     DW_AT_decl_file   : 1
  92     #     DW_AT_decl_line   : 30
  93     #     DW_AT_type        : <e3>
  94     #     DW_AT_data_member_location: 2 byte block: 23 0     (DW_OP_plus_uconst: 0)
  95
  96     set name "filled $struct type resolving"
  97     gdb_test_multiple "ptype pointer_${struct}_filled" $name \
  98     {
  99         -re "mainfield_filled.*$gdb_prompt $"  {
 100             pass $name
 101         }
 102         -re "libfield_filled.*$gdb_prompt $"  {
 103             fail $name
 104         }
 105     }
 106
 107
 108 }
 109
 110
 111 body struct
 112 body union