gdb/testsuite/gdb.fortran/vla-value.exp

   1 # Copyright 2015-2019 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 standard_testfile "vla.f90"
  17 load_lib "fortran.exp"
  18
  19 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} \
  20      {debug f90 quiet}] } {
  21     return -1
  22 }
  23
  24 if ![runto_main] {
  25     untested "could not run to main"
  26     return -1
  27 }
  28
  29 # Depending on the compiler being used,
  30 # the type names can be printed differently.
  31 set real [fortran_real4]
  32
  33 # Try to access values in non allocated VLA
  34 gdb_breakpoint [gdb_get_line_number "vla1-init"]
  35 gdb_continue_to_breakpoint "vla1-init"
  36 gdb_test "print vla1" " = <not allocated>" "print non-allocated vla1"
  37 gdb_test "print &vla1" \
  38   " = \\\(PTR TO -> \\\( $real, allocatable \\\(<not allocated>\\\) \\\)\\\) $hex" \
  39   "print non-allocated &vla1"
  40 gdb_test "print vla1(1,1,1)" "no such vector element \\\(vector not allocated\\\)" \
  41   "print member in non-allocated vla1 (1)"
  42 gdb_test "print vla1(101,202,303)" \
  43   "no such vector element \\\(vector not allocated\\\)" \
  44   "print member in non-allocated vla1 (2)"
  45 gdb_test "print vla1(5,2,18)=1" "no such vector element \\\(vector not allocated\\\)" \
  46   "set member in non-allocated vla1"
  47
  48 # Try to access value in allocated VLA
  49 gdb_breakpoint [gdb_get_line_number "vla2-allocated"]
  50 gdb_continue_to_breakpoint "vla2-allocated"
  51 # Many instructions to be executed when step over this line, and it is
  52 # slower in remote debugging.  Increase the timeout to avoid timeout
  53 # fail.
  54 with_timeout_factor 15 {
  55     gdb_test "next" "\\d+(\\t|\\s)+vla1\\\(3, 6, 9\\\) = 42" \
  56         "step over value assignment of vla1"
  57 }
  58 gdb_test "print &vla1" \
  59   " = \\\(PTR TO -> \\\( $real, allocatable \\\(10,10,10\\\) \\\)\\\) $hex" \
  60   "print allocated &vla1"
  61 gdb_test "print vla1(3, 6, 9)" " = 1311" "print allocated vla1(3,6,9)"
  62 gdb_test "print vla1(1, 3, 8)" " = 1311" "print allocated vla1(1,3,8)"
  63 gdb_test "print vla1(9, 9, 9) = 999" " = 999" \
  64   "print allocated vla1(9,9,9)=999"
  65
  66 # Try to access values in allocated VLA after specific assignment
  67 gdb_breakpoint [gdb_get_line_number "vla1-filled"]
  68 gdb_continue_to_breakpoint "vla1-filled"
  69 gdb_test "print vla1(3, 6, 9)" " = 42" \
  70   "print allocated vla1(3,6,9) after specific assignment (filled)"
  71 gdb_test "print vla1(1, 3, 8)" " = 1001" \
  72   "print allocated vla1(1,3,8) after specific assignment (filled)"
  73 gdb_test "print vla1(9, 9, 9)" " = 999" \
  74   "print allocated vla1(9,9,9) after assignment in debugger (filled)"
  75
  76 # Try to access values in undefined pointer to VLA (dangling)
  77 gdb_test "print pvla" " = <not associated>" "print undefined pvla"
  78 gdb_test "print &pvla" \
  79   " = \\\(PTR TO -> \\\( $real \\\(<not associated>\\\) \\\)\\\) $hex" \
  80   "print non-associated &pvla"
  81 gdb_test "print pvla(1, 3, 8)" "no such vector element \\\(vector not associated\\\)" \
  82   "print undefined pvla(1,3,8)"
  83
  84 # Try to access values in pointer to VLA and compare them
  85 gdb_breakpoint [gdb_get_line_number "pvla-associated"]
  86 gdb_continue_to_breakpoint "pvla-associated"
  87 gdb_test "print &pvla" \
  88   " = \\\(PTR TO -> \\\( $real \\\(10,10,10\\\) \\\)\\\) $hex" \
  89   "print associated &pvla"
  90 gdb_test "print pvla(3, 6, 9)" " = 42" "print associated pvla(3,6,9)"
  91 gdb_test "print pvla(1, 3, 8)" " = 1001" "print associated pvla(1,3,8)"
  92 gdb_test "print pvla(9, 9, 9)" " = 999" "print associated pvla(9,9,9)"
  93
  94 # Fill values to VLA using pointer and check
  95 gdb_breakpoint [gdb_get_line_number "pvla-re-associated"]
  96 gdb_continue_to_breakpoint "pvla-re-associated"
  97 gdb_test "print pvla(5, 45, 20)" \
  98   " = 1" "print pvla(5, 45, 20) after filled using pointer"
  99 gdb_test "print vla2(5, 45, 20)" \
 100   " = 1" "print vla2(5, 45, 20) after filled using pointer"
 101 gdb_test "print pvla(7, 45, 14)" " = 2" \
 102   "print pvla(7, 45, 14) after filled using pointer"
 103 gdb_test "print vla2(7, 45, 14)" " = 2" \
 104   "print vla2(7, 45, 14) after filled using pointer"
 105
 106 # Try to access values of deassociated VLA pointer
 107 gdb_breakpoint [gdb_get_line_number "pvla-deassociated"]
 108 gdb_continue_to_breakpoint "pvla-deassociated"
 109 gdb_test "print pvla(5, 45, 20)" \
 110   "no such vector element \\\(vector not associated\\\)" \
 111   "print pvla(5, 45, 20) after deassociated"
 112 gdb_test "print pvla(7, 45, 14)" \
 113   "no such vector element \\\(vector not associated\\\)" \
 114   "print pvla(7, 45, 14) after dissasociated"
 115 gdb_test "print pvla" " = <not associated>" \
 116   "print vla1 after deassociated"
 117
 118 # Try to access values of deallocated VLA
 119 gdb_breakpoint [gdb_get_line_number "vla1-deallocated"]
 120 gdb_continue_to_breakpoint "vla1-deallocated"
 121 gdb_test "print vla1(3, 6, 9)" "no such vector element \\\(vector not allocated\\\)" \
 122   "print allocated vla1(3,6,9) after specific assignment (deallocated)"
 123 gdb_test "print vla1(1, 3, 8)" "no such vector element \\\(vector not allocated\\\)" \
 124   "print allocated vla1(1,3,8) after specific assignment (deallocated)"
 125 gdb_test "print vla1(9, 9, 9)" "no such vector element \\\(vector not allocated\\\)" \
 126   "print allocated vla1(9,9,9) after assignment in debugger (deallocated)"
 127
 128
 129 # Try to assign VLA to user variable
 130 clean_restart ${testfile}
 131
 132 if ![runto MAIN__] then {
 133     perror "couldn't run to breakpoint MAIN__"
 134     continue
 135 }
 136 gdb_breakpoint [gdb_get_line_number "vla2-allocated"]
 137 gdb_continue_to_breakpoint "vla2-allocated"
 138 # Many instructions to be executed when step over this line, and it is
 139 # slower in remote debugging.  Increase the timeout to avoid timeout
 140 # fail.
 141 with_timeout_factor 15 {
 142     gdb_test "next" "\\d+.*vla1\\(3, 6, 9\\) = 42" "next (1)"
 143 }
 144
 145 gdb_test_no_output "set \$myvar = vla1" "set \$myvar = vla1"
 146 gdb_test "print \$myvar" \
 147   " = \\( *\\( *\\( *1311, *1311, *1311,\[()1311, .\]*\\)" \
 148   "print \$myvar set to vla1"
 149
 150 gdb_test "next" "\\d+.*vla1\\(1, 3, 8\\) = 1001" "next (2)"
 151 gdb_test "print \$myvar(3,6,9)" " = 1311" "print \$myvar(3,6,9)"
 152
 153 gdb_breakpoint [gdb_get_line_number "pvla-associated"]
 154 gdb_continue_to_breakpoint "pvla-associated"
 155 gdb_test_no_output "set \$mypvar = pvla" "set \$mypvar = pvla"
 156 gdb_test "print \$mypvar(1,3,8)" " = 1001" "print \$mypvar(1,3,8)"
 157
 158 # deallocate pointer and make sure user defined variable still has the
 159 # right value.
 160 gdb_breakpoint [gdb_get_line_number "pvla-deassociated"]
 161 gdb_continue_to_breakpoint "pvla-deassociated"
 162 gdb_test "print \$mypvar(1,3,8)" " = 1001" \
 163   "print \$mypvar(1,3,8) after deallocated"