gdb/testsuite/gdb.ada/fixed_points.exp

   1 # Copyright 2004-2024 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 load_lib "ada.exp"
  17
  18 require allow_ada_tests
  19
  20 standard_ada_testfile fixed_points
  21
  22 foreach_with_prefix scenario {all minimal} {
  23     set flags [list debug additional_flags=-fgnat-encodings=$scenario]
  24     if {[gdb_compile_ada "${srcfile}" "${binfile}-${scenario}" executable $flags] != ""} {
  25         return -1
  26     }
  27
  28     clean_restart ${testfile}-${scenario}
  29
  30     set bp_location [gdb_get_line_number "Set breakpoint here" ${testdir}/fixed_points.adb]
  31     runto "fixed_points.adb:$bp_location"
  32
  33     # Fixed point subtypes:
  34
  35     gdb_test "print base_object" \
  36         "= -50" \
  37         "p on a fixed point type"
  38
  39     gdb_test "print subtype_object" \
  40         "= -50" \
  41         "p on a subtype fixed point type"
  42
  43     gdb_test "print new_type_object" \
  44         "= -50" \
  45         "p on a new fixed point type"
  46
  47     # Overprecise delta:
  48
  49     gdb_test "print Overprecise_Object" \
  50         "= 0.13579135791"
  51
  52     gdb_test "ptype Overprecise_Object" \
  53         "type = <2-byte fixed point \\(small = 135791357913579/1000000000000000\\)>"
  54
  55     # FP*_Var...
  56
  57     gdb_test "print fp1_var" \
  58         " = 0.25"
  59
  60     gdb_test "ptype fp1_var" "type = <1-byte fixed point \\(small = 1/16\\)>"
  61
  62     gdb_test "print fp2_var" \
  63         " = -0.01"
  64
  65     gdb_test "ptype fp2_var" "type = <8-byte fixed point \\(small = 1/100\\)>"
  66
  67     gdb_test "print fp3_var" \
  68         " = 0.1"
  69
  70     gdb_test "ptype fp3_var" "type = <1-byte fixed point \\(small = 1/30\\)>"
  71
  72     gdb_test "print fp2_var + 0" \
  73         " = -0.01"
  74     gdb_test "print 0 + fp2_var" \
  75         " = -0.01"
  76     gdb_test "print fp2_var - 0" \
  77         " = -0.01"
  78
  79     gdb_test "print + fp2_var" \
  80         " = -0.01"
  81     gdb_test "print - fp2_var" \
  82         " = 0.01"
  83
  84     set fp4 "= 2e-07"
  85     gdb_test "print fp4_var" $fp4
  86     gdb_test "print fp4_var * 1" $fp4
  87     gdb_test "print 1 * fp4_var" $fp4
  88     gdb_test "print fp4_var / 1" $fp4
  89
  90     # This only started working in GCC 11.
  91     if {$scenario == "minimal" && [test_compiler_info {gcc-11-*}]} {
  92         gdb_test "print fp5_var" " = 3e-19"
  93     }
  94
  95     # This failed before GCC 10.
  96     if {$scenario == "all" && [test_compiler_info {gcc-10-*}]} {
  97         gdb_test "p Float(Another_Fixed) = Float(Another_Delta * 5)" "true" \
  98             "value of another_fixed"
  99     }
 100 }