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

   1 # Copyright 2004-2021 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 if {[skip_shlib_tests]} {
  19     return -1
  20 }
  21
  22 standard_testfile type-opaque-main.c
  23
  24 set libfile type-opaque-lib
  25 set libsrc "${srcdir}/${subdir}/${libfile}.c"
  26 set libobj [standard_output_file ${libfile}.so]
  27 set execsrc "${srcdir}/${subdir}/${srcfile}"
  28
  29 remote_exec build "rm -f ${binfile}"
  30
  31 # get the value of gcc_compiled
  32 if [get_compiler_info] {
  33     return -1
  34 }
  35
  36 if { [gdb_compile_shlib $libsrc $libobj {debug}] != ""
  37      || [gdb_compile $execsrc ${binfile} executable \
  38              [list debug shlib=${libobj}]] != "" } {
  39     return -1
  40 }
  41
  42 clean_restart ${binfile}
  43 gdb_load_shlib ${libobj}
  44
  45 if ![runto_main] then {
  46     fail "can't run to main"
  47     return 0
  48 }
  49
  50
  51 # DWARF3: An incomplete structure, union or class type is represented by
  52 # a structure, union or class entry that does not have a byte size attribute
  53 # and that has a DW_AT_declaration attribute.
  54
  55
  56 proc body { struct } {
  57     global gdb_prompt
  58
  59
  60     # <1><15f>: Abbrev Number: 8 (DW_TAG_structure_type)
  61     #     DW_AT_name        : libtype_opaque
  62     #     DW_AT_declaration : 1
  63
  64     set name "opaque $struct type resolving"
  65     gdb_test_multiple "ptype pointer_${struct}_opaque" $name \
  66     {
  67         -re "libfield_opaque.*$gdb_prompt $"  {
  68             pass $name
  69         }
  70     }
  71
  72
  73     # <1><9e>: Abbrev Number: 2 (DW_TAG_structure_type)
  74     #     DW_AT_name        : libtype_empty
  75     #     DW_AT_byte_size   : 0
  76     #     DW_AT_decl_file   : 1
  77     #     DW_AT_decl_line   : 25
  78
  79     set name "empty $struct type resolving"
  80     gdb_test_multiple "ptype pointer_${struct}_empty" $name \
  81     {
  82         -re "\\{\[ \t\r\n\]*<no data fields>\[ \t\r\n\]*\\}.*$gdb_prompt $"  {
  83             pass $name
  84         }
  85         -re "libfield_empty.*$gdb_prompt $"  {
  86             fail $name
  87         }
  88     }
  89
  90
  91     # <1><b0>: Abbrev Number: 3 (DW_TAG_structure_type)
  92     #     DW_AT_sibling     : <e3>
  93     #     DW_AT_name        : libtype_filled
  94     #     DW_AT_byte_size   : 4
  95     #     DW_AT_decl_file   : 1
  96     #     DW_AT_decl_line   : 29
  97     # <2><c7>: Abbrev Number: 4 (DW_TAG_member)
  98     #     DW_AT_name        : mainfield_filled
  99     #     DW_AT_decl_file   : 1
 100     #     DW_AT_decl_line   : 30
 101     #     DW_AT_type        : <e3>
 102     #     DW_AT_data_member_location: 2 byte block: 23 0     (DW_OP_plus_uconst: 0)
 103
 104     set name "filled $struct type resolving"
 105     gdb_test_multiple "ptype pointer_${struct}_filled" $name \
 106     {
 107         -re "mainfield_filled.*$gdb_prompt $"  {
 108             pass $name
 109         }
 110         -re "libfield_filled.*$gdb_prompt $"  {
 111             fail $name
 112         }
 113     }
 114
 115
 116 }
 117
 118
 119 body struct
 120 body union