gdb/testsuite/gdb.dwarf2/count.exp

   1 # Copyright 2014-2015 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 # Tests to cover DW_AT_count attribute in subranges.
  17
  18 load_lib dwarf.exp
  19
  20 # Only run on targets which support dwarf and gas.
  21 if { ![dwarf2_support] } {
  22     return 0
  23 }
  24
  25 standard_testfile main.c count.S
  26
  27 set asm_file [standard_output_file $srcfile2]
  28 Dwarf::assemble $asm_file {
  29     cu {} {
  30         compile_unit {{language @DW_LANG_C99}} {
  31             declare_labels char_label array_label array_label2 static_array_label
  32
  33             char_label: base_type {
  34                 {name char}
  35                 {encoding @DW_ATE_signed}
  36                 {byte_size 1 DW_FORM_sdata}
  37             }
  38
  39             array_label: array_type {
  40                 {type :$char_label}
  41             } {
  42                 subrange_type {
  43                     {count {DW_OP_lit5} SPECIAL_expr}
  44                     {type :$char_label}
  45                 }
  46             }
  47
  48             array_label2: array_type {
  49                 {type :$char_label}
  50             } {
  51                 subrange_type {
  52                     {count {DW_OP_lit1} SPECIAL_expr}
  53                     {type :$char_label}
  54                 }
  55             }
  56
  57             static_array_label: array_type {
  58                 {type :$char_label}
  59             } {
  60                 subrange_type {
  61                     {count 5 DW_FORM_sdata}
  62                     {type :$char_label}
  63                 }
  64             }
  65
  66             DW_TAG_variable {
  67                 {name array2}
  68                 {type :$array_label2}
  69                 {const_value 65 DW_FORM_udata}
  70             }
  71
  72             DW_TAG_variable {
  73                 {name array}
  74                 {type :$array_label}
  75                 {const_value hello DW_FORM_block1}
  76             }
  77
  78             DW_TAG_variable {
  79                 {name static_array}
  80                 {type :$static_array_label}
  81                 {const_value world DW_FORM_block1}
  82             }
  83         }
  84     }
  85 }
  86
  87 if { [gdb_compile ${srcdir}/${subdir}/${srcfile} ${binfile}1.o \
  88           object {nodebug}] != "" } {
  89     return -1
  90 }
  91
  92 if { [gdb_compile $asm_file ${binfile}2.o object {nodebug}] != "" } {
  93     return -1
  94 }
  95
  96 if { [gdb_compile [list ${binfile}1.o ${binfile}2.o] \
  97           "${binfile}" executable {}] != "" } {
  98     return -1
  99 }
 100
 101 global GDBFLAGS
 102 set saved_gdbflags $GDBFLAGS
 103 set GDBFLAGS [concat $GDBFLAGS " -readnow"]
 104 clean_restart ${testfile}
 105 set GDBFLAGS $saved_gdbflags
 106
 107 if ![runto_main] {
 108     perror "couldn't run to main"
 109     return -1
 110 }
 111
 112 gdb_test "ptype array" "type = char \\\[5\\\]" "ptype array"
 113 gdb_test "whatis array" "type = char \\\[5\\\]" "whatis array"
 114 gdb_test "print array" " = \"hello\"" "print array"
 115 gdb_test "print sizeof array" " = 5" "print sizeof array"
 116
 117 gdb_test "ptype array2" "type = char \\\[1\\\]" "ptype array"
 118 gdb_test "whatis array2" "type = char \\\[1\\\]" "whatis array"
 119 gdb_test "print array2" " = \"A\"" "print array"
 120 gdb_test "print sizeof array2" " = 1" "print sizeof array"
 121
 122 gdb_test "ptype static_array" "type = char \\\[5\\\]" "ptype static_array"
 123 gdb_test "whatis static_array" "type = char \\\[5\\\]" "whatis static_array"
 124 gdb_test "print static_array" " = \"world\"" "print static_array"
 125 gdb_test "print sizeof static_array" " = 5" "print sizeof static_array"