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aa3cfbda RB |
1 | # Copyright 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 | # Exercise passing and returning arguments in Fortran. This test case | |
17 | # is based on the GNU Fortran Argument passing conventions. | |
18 | ||
19 | if {[skip_fortran_tests]} { return -1 } | |
20 | ||
21 | standard_testfile ".f90" | |
22 | ||
23 | if {[prepare_for_testing ${testfile}.exp ${testfile} ${srcfile} {debug f90}]} { | |
24 | return -1 | |
25 | } | |
26 | ||
27 | if {![runto [gdb_get_line_number "post_init"]]} then { | |
28 | perror "couldn't run to breakpoint post_init" | |
29 | continue | |
30 | } | |
31 | ||
32 | # Use inspired by gdb.base/callfuncs.exp. | |
33 | gdb_test_no_output "set unwindonsignal on" | |
34 | ||
35 | # Baseline: function and subroutine call with no arguments. | |
36 | gdb_test "p no_arg()" " = .TRUE." | |
37 | gdb_test_no_output "call no_arg_subroutine()" | |
38 | ||
39 | # Argument class: literal, inferior variable, convenience variable, | |
40 | # function call return value, function. | |
41 | # Paragraph 3: Variables are passed by reference. | |
42 | gdb_test "p one_arg(.TRUE.)" " = .TRUE." | |
43 | gdb_test "p one_arg(untrue)" " = .FALSE." | |
44 | gdb_test_no_output "set \$var = .FALSE." | |
45 | gdb_test "p one_arg(\$var)" " = .FALSE." | |
46 | gdb_test "p one_arg(one_arg(.TRUE.))" " = .TRUE." | |
47 | gdb_test "p one_arg(one_arg(.FALSE.))" " = .FALSE." | |
48 | gdb_test_no_output "call run(no_arg_subroutine)" | |
49 | ||
50 | # Return: constant. | |
51 | gdb_test "p return_constant()" " = 17" | |
52 | # Return derived type and call a function in a module. | |
53 | gdb_test "p derived_types_and_module_calls::build_cart(7,8)" \ | |
54 | " = \\\( x = 7, y = 8 \\\)" | |
55 | ||
56 | # Two hidden arguments. 1. returned string and 2. string length. | |
57 | # Paragraph 1. | |
58 | gdb_test "p return_string(returned_string_debugger, 40)" "" | |
59 | gdb_test "p returned_string_debugger" "'returned in hidden first argument '" | |
60 | ||
61 | # Argument type: real(kind=4), complex, array, pointer, derived type, | |
62 | # derived type with allocatable, nested derived type. | |
63 | # Paragraph 4: pointer. | |
64 | gdb_test "p pointer_function(int_pointer)" " = 87" | |
65 | # Paragraph 4: array. | |
66 | gdb_test "call array_function(integer_array)" " = 17" | |
67 | gdb_test "p derived_types_and_module_calls::pass_cart(c)" \ | |
68 | " = \\\( x = 2, y = 4 \\\)" | |
69 | # Allocatable elements in a derived type. Technical report ISO/IEC 15581. | |
70 | gdb_test "p derived_types_and_module_calls::pass_cart_nd(c_nd)" " = 4" | |
71 | gdb_test "p derived_types_and_module_calls::pass_nested_cart(nested_c)" \ | |
72 | "= \\\( d = \\\( x = 1, y = 2 \\\), z = 3 \\\)" | |
73 | # Result within some tolerance. | |
74 | gdb_test "p real4_argument(real4)" " = 3.${decimal}" | |
75 | ||
76 | # Paragraph 2. Complex argument and return. | |
77 | gdb_test "p complex_argument(fft)" " = \\\(2.${decimal},3.${decimal}\\\)" | |
78 | ||
79 | # Function with optional arguments. | |
80 | # Paragraph 10: Option reference arguments. | |
81 | gdb_test "p sum_some(1,2,3)" " = 6" | |
82 | ||
83 | # There is currently no mechanism to call a function without all | |
84 | # optional parameters present. | |
85 | setup_kfail "gdb/24147" *-*-* | |
86 | gdb_test "p sum_some(1,2)" " = 3" | |
87 | ||
88 | # Paragraph 10: optional value arguments. There is insufficient DWARF | |
89 | # information to reliably make this case work. | |
90 | setup_kfail "gdb/24305" *-*-* | |
91 | gdb_test "p one_arg_value(10)" " = 10" | |
92 | ||
93 | # DW_AT_artificial formal parameters must be passed manually. This | |
94 | # assert will fail if the length of the string is wrapped in a pointer. | |
95 | # Paragraph 7: Character type. | |
96 | gdb_test "p hidden_string_length('arbitrary string', 16)" " = 16" | |
97 | ||
98 | # Several arguments. | |
99 | gdb_test "p several_arguments(2, 3, 5)" " = 10" | |
100 | gdb_test "p mix_of_scalar_arguments(5, .TRUE., 3.5)" " = 9" | |
101 | ||
102 | # Calling other functions: Recursive call. | |
103 | gdb_test "p fibonacci(6)" " = 8" |