projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 88b9d363 | 1 | # Copyright 2020-2022 Free Software Foundation, Inc. |
| 3c8c6de2 AB |
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 | # Places a value with components that have dynamic type into a GDB | |
| 17 | # user variable, and then prints the user variable. | |
| 18 | ||
| 19 | standard_testfile ".f90" | |
| 20 | load_lib "fortran.exp" | |
| 21 | ||
| 22 | if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile} \ | |
| 23 | {debug f90 quiet}] } { | |
| 24 | return -1 | |
| 25 | } | |
| 26 | ||
| 27 | if ![fortran_runto_main] { | |
| 28 | untested "could not run to main" | |
| 29 | return -1 | |
| 30 | } | |
| 31 | ||
| 32 | gdb_breakpoint [gdb_get_line_number "Break here"] | |
| 33 | gdb_continue_to_breakpoint "Break here" | |
| 34 | ||
| 35 | gdb_test_no_output "set \$a=some_var" "set \$a internal variable" | |
| 36 | ||
| 37 | foreach var { "\$a" "some_var" } { | |
| 38 | with_test_prefix "print $var" { | |
| 39 | gdb_test "print $var" \ | |
| 40 | " = \\( array_one = \\(\\(1, 1\\) \\(1, 1\\) \\(1, 1\\)\\), a_field = 5, array_two = \\(\\(2, 2, 2\\) \\(2, 2, 2\\)\\) \\)" \ | |
| 41 | "print full contents" | |
| 42 | ||
| 43 | gdb_test "print $var%array_one" \ | |
| 44 | " = \\(\\(1, 1\\) \\(1, 1\\) \\(1, 1\\)\\)" \ | |
| 45 | "print array_one field" | |
| 46 | ||
| 47 | gdb_test "print $var%a_field" \ | |
| 48 | " = 5" \ | |
| 49 | "print a_field field" | |
| 50 | ||
| 51 | gdb_test "print $var%array_two" \ | |
| 52 | " = \\(\\(2, 2, 2\\) \\(2, 2, 2\\)\\)" \ | |
| 53 | "print array_two field" | |
| 54 | } | |
| 55 | } | |
| 56 | ||
| 57 | # Create new user variables for the fields of some_var, and show that | |
| 58 | # modifying these variables does not change the original value from | |
| 59 | # the program. | |
| 60 | gdb_test_no_output "set \$b = some_var%array_one" | |
| 61 | gdb_test_no_output "set \$c = some_var%array_two" | |
| 62 | gdb_test "print \$b" \ | |
| 63 | " = \\(\\(1, 1\\) \\(1, 1\\) \\(1, 1\\)\\)" | |
| 64 | gdb_test "print \$c" \ | |
| 65 | " = \\(\\(2, 2, 2\\) \\(2, 2, 2\\)\\)" | |
| 66 | gdb_test_no_output "set \$b(2,2) = 3" | |
| 67 | gdb_test_no_output "set \$c(3,1) = 4" | |
| 68 | gdb_test "print \$b" \ | |
| 69 | " = \\(\\(1, 1\\) \\(1, 3\\) \\(1, 1\\)\\)" \ | |
| 70 | "print \$b after a change" | |
| 71 | gdb_test "print \$c" \ | |
| 72 | " = \\(\\(2, 2, 4\\) \\(2, 2, 2\\)\\)" \ | |
| 73 | "print \$c after a change" | |
| 74 | gdb_test "print some_var%array_one" \ | |
| 75 | " = \\(\\(1, 1\\) \\(1, 1\\) \\(1, 1\\)\\)" | |
| 76 | gdb_test "print some_var%array_two" \ | |
| 77 | " = \\(\\(2, 2, 2\\) \\(2, 2, 2\\)\\)" | |
| 78 | ||
| 79 | # Now modify the user variable '$a', which is a copy of 'some_var', | |
| 80 | # and then check how this change is reflected in the original | |
| 81 | # 'some_var', and the user variable $a. | |
| 82 | # | |
| 83 | # When we change 'a_field' which is a non-dynamic field within the | |
| 84 | # user variable, the change is only visible within the user variable. | |
| 85 | # | |
| 86 | # In contrast, when we change 'array_one' and 'array_two', which are | |
| 87 | # both fields of dynanic type, then the change is visible in both the | |
| 88 | # user variable and the original program variable 'some_var'. This | |
| 89 | # makes sense if you consider the dynamic type as if it was a C | |
| 90 | # pointer with automatic indirection. | |
| 91 | gdb_test_no_output "set \$a%a_field = 3" | |
| 92 | gdb_test_no_output "set \$a%array_one(2,2) = 3" | |
| 93 | gdb_test_no_output "set \$a%array_two(3,1) = 4" | |
| 94 | gdb_test "print \$a" \ | |
| 95 | " = \\( array_one = \\(\\(1, 1\\) \\(1, 3\\) \\(1, 1\\)\\), a_field = 3, array_two = \\(\\(2, 2, 4\\) \\(2, 2, 2\\)\\) \\)" | |
| 96 | gdb_test "print some_var" \ | |
| 97 | " = \\( array_one = \\(\\(1, 1\\) \\(1, 3\\) \\(1, 1\\)\\), a_field = 5, array_two = \\(\\(2, 2, 4\\) \\(2, 2, 2\\)\\) \\)" |