gdb/testsuite/gdb.dwarf2/multidictionary.exp

   1 # Copyright 2019 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 # A test of multi-language dictionaries, a solution to symtab/23010 et al.
  17
  18 load_lib dwarf.exp
  19
  20 # This test can only be run on targets which support DWARF.
  21 if {![dwarf2_support]} {
  22     return 0
  23 }
  24
  25 standard_testfile main.c .S
  26
  27 # Create the DWARF.  This is derived from the reproducer in the bug
  28 # mentioned above.  This DIE tree is typical of compilations wtih
  29 # LTO enabled.
  30
  31 set asm_file [standard_output_file $srcfile2]
  32 Dwarf::assemble $asm_file {
  33     declare_labels D45d9 D5079 D5080 D50a9 D50af D5ab2 D5ac2 D5ace D5acf
  34     declare_labels D2135f D2216a D22171 D226c4 D226ca D244ca \
  35         D245da D245e6
  36     declare_labels D41c21 D42025 D42045 D42038 D42045 D420b5
  37
  38     cu {} {
  39         D45d9: compile_unit {
  40             {language @DW_LANG_C_plus_plus}
  41             {name "SerialPortUtils.cpp"}
  42         } {
  43             D5079: base_type {
  44                 {byte_size 1 sdata}
  45                 {encoding @DW_ATE_unsigned}
  46                 {name "char"}
  47             }
  48
  49             D5080: const_type {
  50                 {type :$D5079}
  51             }
  52
  53             D50a9: pointer_type {
  54                 {byte_size 4 sdata}
  55                 {type :$D5080}
  56             }
  57
  58             D50af: const_type {
  59                 {type :$D50a9}
  60             }
  61
  62             D5ab2: subprogram {
  63                 {external 1 flag}
  64                 {linkage_name "_Z18SerialSyncWriteStrPKc"}
  65             } {
  66                 D5ac2: formal_parameter {
  67                     {name "msg"}
  68                     {type :$D50af}
  69                 }
  70                 D5ace: lexical_block {} {
  71                     D5acf: DW_TAG_variable {
  72                         {name "p"}
  73                         {type :$D50a9}
  74                     }
  75                 }
  76             }
  77         }
  78     }
  79
  80     cu {} {
  81         D2135f: compile_unit {
  82             {language @DW_LANG_C_plus_plus}
  83             {name "Main.cpp"}
  84         } {
  85             D2216a: base_type {
  86                 {byte_size 1 sdata}
  87                 {encoding @DW_ATE_unsigned_char}
  88                 {name "char"}
  89             }
  90
  91             D22171: const_type {
  92                 {type :$D2216a}
  93             }
  94
  95             D226c4: pointer_type {
  96                 {byte_size 4 sdata}
  97                 {type :$D22171}
  98             }
  99
 100             D226ca: const_type {
 101                 {type :$D226c4}
 102             }
 103
 104             D245da: subprogram {
 105                 {name "PrintPanicMsg"}
 106             } {
 107                 D245e6: formal_parameter {
 108                     {name "msg"}
 109                     {type :$D226ca}
 110                 }
 111             }
 112         }
 113     }
 114
 115     cu {} {
 116        D41c21: compile_unit {
 117            {language @DW_LANG_C99}
 118            {name "<artificial>"}
 119        } {
 120            D42025: subprogram {
 121                {abstract_origin %$D245da}
 122                {low_pc 0x80b60 addr}
 123                {high_pc 0x6c data4}
 124            } {
 125                D42038: formal_parameter {
 126                    {abstract_origin %$D245e6}
 127                }
 128
 129                D42045: inlined_subroutine {
 130                    {abstract_origin %$D5ab2}
 131                    {low_pc 0x8060 addr}
 132                    {high_pc 0xc data4}
 133                } {
 134                    D420b5: formal_parameter {
 135                        {abstract_origin %$D5ac2}
 136                    }
 137                }
 138            }
 139        }
 140     }
 141 }
 142
 143 # Build the test executable.
 144 if {[build_executable $testfile.exp $testfile [list $asm_file $srcfile] {}] \
 145         == -1} {
 146     return -1
 147 }
 148
 149 # We force the DIEs above to be read in via "-readnow".
 150 gdb_spawn_with_cmdline_opts "-readnow"
 151 gdb_load $binfile
 152
 153 # All we need to do is check whether GDB is alive.  Without
 154 # multidictionaries, it will either crash, assert, or throw an
 155 # internal_error.
 156 gdb_test "p 1" "= 1" "GDB is alive"
 157