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

   1 # Copyright 2015-2020 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 {[skip_fortran_tests]} { return -1 }
  20
  21 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} \
  22      {debug f90 quiet}] } {
  23     return -1
  24 }
  25
  26 if ![fortran_runto_main] {
  27     untested "could not run to main"
  28     return -1
  29 }
  30
  31 # Depending on the compiler being used,
  32 # the type names can be printed differently.
  33 set real [fortran_real4]
  34
  35 # Try to access values in non allocated VLA
  36 gdb_breakpoint [gdb_get_line_number "vla1-init"]
  37 gdb_continue_to_breakpoint "vla1-init"
  38 gdb_test "print vla1" " = <not allocated>" "print non-allocated vla1"
  39 gdb_test "print &vla1" \
  40   " = \\\(PTR TO -> \\\( $real, allocatable \\\(:,:,:\\\) \\\)\\\) $hex" \
  41   "print non-allocated &vla1"
  42 gdb_test "print vla1(1,1,1)" "no such vector element \\\(vector not allocated\\\)" \
  43   "print member in non-allocated vla1 (1)"
  44 gdb_test "print vla1(101,202,303)" \
  45   "no such vector element \\\(vector not allocated\\\)" \
  46   "print member in non-allocated vla1 (2)"
  47 gdb_test "print vla1(5,2,18)=1" "no such vector element \\\(vector not allocated\\\)" \
  48   "set member in non-allocated vla1"
  49
  50 # Try to access value in allocated VLA
  51 gdb_breakpoint [gdb_get_line_number "vla2-allocated"]
  52 gdb_continue_to_breakpoint "vla2-allocated"
  53 # Many instructions to be executed when step over this line, and it is
  54 # slower in remote debugging.  Increase the timeout to avoid timeout
  55 # fail.
  56 with_timeout_factor 15 {
  57     gdb_test "next" "\\d+(\\t|\\s)+vla1\\\(3, 6, 9\\\) = 42" \
  58         "step over value assignment of vla1"
  59 }
  60 gdb_test "print &vla1" \
  61   " = \\\(PTR TO -> \\\( $real, allocatable \\\(10,10,10\\\) \\\)\\\) $hex" \
  62   "print allocated &vla1"
  63 gdb_test "print vla1(3, 6, 9)" " = 1311" "print allocated vla1(3,6,9)"
  64 gdb_test "print vla1(1, 3, 8)" " = 1311" "print allocated vla1(1,3,8)"
  65 gdb_test "print vla1(9, 9, 9) = 999" " = 999" \
  66   "print allocated vla1(9,9,9)=999"
  67
  68 # Try to access values in allocated VLA after specific assignment
  69 gdb_breakpoint [gdb_get_line_number "vla1-filled"]
  70 gdb_continue_to_breakpoint "vla1-filled"
  71 gdb_test "print vla1(3, 6, 9)" " = 42" \
  72   "print allocated vla1(3,6,9) after specific assignment (filled)"
  73 gdb_test "print vla1(1, 3, 8)" " = 1001" \
  74   "print allocated vla1(1,3,8) after specific assignment (filled)"
  75 gdb_test "print vla1(9, 9, 9)" " = 999" \
  76   "print allocated vla1(9,9,9) after assignment in debugger (filled)"
  77
  78 # Try to access values in undefined pointer to VLA (dangling)
  79 gdb_test "print pvla" " = <not associated>" "print undefined pvla"
  80 gdb_test "print &pvla" \
  81   " = \\\(PTR TO -> \\\( $real \\\(:,:,:\\\) \\\)\\\) $hex" \
  82   "print non-associated &pvla"
  83 gdb_test "print pvla(1, 3, 8)" "no such vector element \\\(vector not associated\\\)" \
  84   "print undefined pvla(1,3,8)"
  85
  86 # Try to access values in pointer to VLA and compare them
  87 gdb_breakpoint [gdb_get_line_number "pvla-associated"]
  88 gdb_continue_to_breakpoint "pvla-associated"
  89 gdb_test "print &pvla" \
  90   " = \\\(PTR TO -> \\\( $real \\\(10,10,10\\\) \\\)\\\) $hex" \
  91   "print associated &pvla"
  92 gdb_test "print pvla(3, 6, 9)" " = 42" "print associated pvla(3,6,9)"
  93 gdb_test "print pvla(1, 3, 8)" " = 1001" "print associated pvla(1,3,8)"
  94 gdb_test "print pvla(9, 9, 9)" " = 999" "print associated pvla(9,9,9)"
  95
  96 # Fill values to VLA using pointer and check
  97 gdb_breakpoint [gdb_get_line_number "pvla-re-associated"]
  98 gdb_continue_to_breakpoint "pvla-re-associated"
  99 gdb_test "print pvla(5, 45, 20)" \
 100   " = 1" "print pvla(5, 45, 20) after filled using pointer"
 101 gdb_test "print vla2(5, 45, 20)" \
 102   " = 1" "print vla2(5, 45, 20) after filled using pointer"
 103 gdb_test "print pvla(7, 45, 14)" " = 2" \
 104   "print pvla(7, 45, 14) after filled using pointer"
 105 gdb_test "print vla2(7, 45, 14)" " = 2" \
 106   "print vla2(7, 45, 14) after filled using pointer"
 107
 108 # Try to access values of deassociated VLA pointer
 109 gdb_breakpoint [gdb_get_line_number "pvla-deassociated"]
 110 gdb_continue_to_breakpoint "pvla-deassociated"
 111 gdb_test "print pvla(5, 45, 20)" \
 112   "no such vector element \\\(vector not associated\\\)" \
 113   "print pvla(5, 45, 20) after deassociated"
 114 gdb_test "print pvla(7, 45, 14)" \
 115   "no such vector element \\\(vector not associated\\\)" \
 116   "print pvla(7, 45, 14) after dissasociated"
 117 gdb_test "print pvla" " = <not associated>" \
 118   "print vla1 after deassociated"
 119
 120 # Try to access values of deallocated VLA
 121 gdb_breakpoint [gdb_get_line_number "vla1-deallocated"]
 122 gdb_continue_to_breakpoint "vla1-deallocated"
 123 gdb_test "print vla1(3, 6, 9)" "no such vector element \\\(vector not allocated\\\)" \
 124   "print allocated vla1(3,6,9) after specific assignment (deallocated)"
 125 gdb_test "print vla1(1, 3, 8)" "no such vector element \\\(vector not allocated\\\)" \
 126   "print allocated vla1(1,3,8) after specific assignment (deallocated)"
 127 gdb_test "print vla1(9, 9, 9)" "no such vector element \\\(vector not allocated\\\)" \
 128   "print allocated vla1(9,9,9) after assignment in debugger (deallocated)"
 129
 130
 131 # Try to assign VLA to user variable
 132 clean_restart ${testfile}
 133
 134 if ![fortran_runto_main] then {
 135     perror "couldn't run to main"
 136     continue
 137 }
 138 gdb_breakpoint [gdb_get_line_number "vla2-allocated"]
 139 gdb_continue_to_breakpoint "vla2-allocated, second time"
 140 # Many instructions to be executed when step over this line, and it is
 141 # slower in remote debugging.  Increase the timeout to avoid timeout
 142 # fail.
 143 with_timeout_factor 15 {
 144     gdb_test "next" "\\d+.*vla1\\(3, 6, 9\\) = 42" "next (1)"
 145 }
 146
 147 gdb_test_no_output "set \$myvar = vla1" "set \$myvar = vla1"
 148 gdb_test "print \$myvar" \
 149   " = \\( *\\( *\\( *1311, *1311, *1311,\[()1311, .\]*\\)" \
 150   "print \$myvar set to vla1"
 151
 152 gdb_test "next" "\\d+.*vla1\\(1, 3, 8\\) = 1001" "next (2)"
 153 gdb_test "print \$myvar(3,6,9)" " = 1311"
 154
 155 gdb_breakpoint [gdb_get_line_number "pvla-associated"]
 156 gdb_continue_to_breakpoint "pvla-associated, second time"
 157 gdb_test_no_output "set \$mypvar = pvla" "set \$mypvar = pvla"
 158 gdb_test "print \$mypvar(1,3,8)" " = 1001"
 159
 160 # deallocate pointer and make sure user defined variable still has the
 161 # right value.
 162 gdb_breakpoint [gdb_get_line_number "pvla-deassociated"]
 163 gdb_continue_to_breakpoint "pvla-deassociated, second time"
 164 gdb_test "print \$mypvar(1,3,8)" " = 1001" \
 165   "print \$mypvar(1,3,8) after deallocated"
 166
 167 gdb_breakpoint [gdb_get_line_number "vla1-neg-bounds-v1"]
 168 gdb_continue_to_breakpoint "vla1-neg-bounds-v1"
 169 with_test_prefix "negative bounds" {
 170     gdb_test "print vla1(-2,-5,-3)" " = 1"
 171     gdb_test "print vla1(-2,-3,-1)" " = -231"
 172     gdb_test "print vla1(-3,-5,-3)" "no such vector element"
 173     gdb_test "print vla1(-2,-6,-3)" "no such vector element"
 174     gdb_test "print vla1(-2,-5,-4)" "no such vector element"
 175     gdb_test "print vla1(0,-2,-1)" "no such vector element"
 176     gdb_test "print vla1(-1,-1,-1)" "no such vector element"
 177     gdb_test "print vla1(-1,-2,0)" "no such vector element"
 178 }
 179
 180 gdb_breakpoint [gdb_get_line_number "vla1-neg-bounds-v2"]
 181 gdb_continue_to_breakpoint "vla1-neg-bounds-v2"
 182 with_test_prefix "negative lower bounds, positive upper bounds" {
 183     gdb_test "print vla1(-2,-5,-3)" " = 2"
 184     gdb_test "print vla1(-2,-3,-1)" " = 2"
 185     gdb_test "print vla1(-2,-4,-2)" " = -242"
 186     gdb_test "print vla1(-3,-5,-3)" "no such vector element"
 187     gdb_test "print vla1(-2,-6,-3)" "no such vector element"
 188     gdb_test "print vla1(-2,-5,-4)" "no such vector element"
 189     gdb_test "print vla1(2,2,1)" "no such vector element"
 190     gdb_test "print vla1(1,3,1)" "no such vector element"
 191     gdb_test "print vla1(1,2,2)" "no such vector element"
 192 }