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b4967060 | 1 | # Copyright 1996, 1997, 1999 Free Software Foundation, Inc. |
74cf1395 JM |
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 2 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, write to the Free Software | |
15 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
16 | ||
17 | # Please email any bugs, comments, and/or additions to this file to: | |
18 | # bug-gdb@prep.ai.mit.edu | |
19 | ||
b4967060 AC |
20 | # This file was written by Jeff Law. (law@cygnus.com) |
21 | ||
74cf1395 JM |
22 | if $tracelevel then { |
23 | strace $tracelevel | |
24 | } | |
25 | ||
26 | set prms_id 0 | |
27 | set bug_id 0 | |
28 | ||
b4967060 | 29 | set prototypes 1 |
74cf1395 JM |
30 | set testfile "structs" |
31 | set srcfile ${testfile}.c | |
32 | set binfile ${objdir}/${subdir}/${testfile} | |
33 | ||
b4967060 AC |
34 | # build the first test case |
35 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { | |
36 | # built the second test case since we can't use prototypes | |
37 | warning "Prototypes not supported, rebuilding with -DNO_PROTOTYPES" | |
38 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DNO_PROTOTYPES}] != "" } { | |
39 | gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." | |
853d6e5b | 40 | } |
b4967060 | 41 | set prototypes 0 |
853d6e5b AC |
42 | } |
43 | ||
b4967060 AC |
44 | # Create and source the file that provides information about the compiler |
45 | # used to compile the test case. | |
46 | if [get_compiler_info ${binfile}] { | |
47 | return -1; | |
853d6e5b AC |
48 | } |
49 | ||
853d6e5b | 50 | |
b4967060 AC |
51 | # Some targets can't call functions, so don't even bother with this |
52 | # test. | |
53 | if [target_info exists gdb,cannot_call_functions] { | |
54 | setup_xfail "*-*-*" 2416 | |
55 | fail "This target can not call functions" | |
56 | continue | |
74cf1395 JM |
57 | } |
58 | ||
853d6e5b | 59 | |
b4967060 AC |
60 | # Call FUNC with no arguments, and expect to see the regexp RESULT in |
61 | # the output. If we get back the error message "Function return value | |
62 | # unknown", call that an unsupported test; on some architectures, it's | |
63 | # impossible to find structs returned by value reliably. | |
64 | proc call_struct_func { func result } { | |
853d6e5b | 65 | global gdb_prompt |
853d6e5b | 66 | |
b4967060 AC |
67 | set command "p ${func}()" |
68 | send_gdb "${command}\n" | |
853d6e5b | 69 | gdb_expect { |
b4967060 AC |
70 | -re "$result\[\r\n\]+$gdb_prompt $" { |
71 | pass "$command" | |
72 | } | |
73 | -re "Function return value unknown.\[\r\n\]+$gdb_prompt $" { | |
74 | unsupported "$command" | |
75 | } | |
76 | -re "$gdb_prompt $" { | |
77 | fail "$command" | |
78 | } | |
79 | timeout { | |
80 | fail "$command (timeout)" | |
81 | } | |
853d6e5b | 82 | } |
74cf1395 JM |
83 | } |
84 | ||
b4967060 AC |
85 | # FIXME: Before calling this proc, we should probably verify that |
86 | # we can call inferior functions and get a valid integral value | |
87 | # returned. | |
88 | # Note that it is OK to check for 0 or 1 as the returned values, because C | |
89 | # specifies that the numeric value of a relational or logical expression | |
90 | # (computed in the inferior) is 1 for true and 0 for false. | |
853d6e5b | 91 | |
b4967060 AC |
92 | proc do_function_calls {} { |
93 | global prototypes | |
94 | global gcc_compiled | |
95 | global gdb_prompt | |
853d6e5b | 96 | |
b4967060 AC |
97 | # First, call the "fun" functions and examine the value they return. |
98 | call_struct_func "fun1" " = {a = 49 '1'}" | |
99 | call_struct_func "fun2" " = {a = 97 'a', b = 98 'b'}" | |
100 | call_struct_func "fun3" " = {a = 65 'A', b = 66 'B', c = 67 'C'}" | |
101 | call_struct_func "fun4" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4'}" | |
102 | call_struct_func "fun5" " = {a = 97 'a', b = 98 'b', c = 99 'c', d = 100 'd', e = 101 'e'}" | |
103 | call_struct_func "fun6" " = {a = 65 'A', b = 66 'B', c = 67 'C', d = 68 'D', e = 69 'E', f = 70 'F'}" | |
104 | call_struct_func "fun7" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4', e = 53 '5', f = 54 '6', g = 55 '7'}" | |
105 | call_struct_func "fun8" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4', e = 53 '5', f = 54 '6', g = 55 '7', h = 56 '8'}" | |
106 | call_struct_func "fun9" " = {a = 97 'a', b = 98 'b', c = 99 'c', d = 100 'd', e = 101 'e', f = 102 'f', g = 103 'g', h = 104 'h', i = 105 'i'}" | |
107 | call_struct_func "fun10" " = {a = 65 'A', b = 66 'B', c = 67 'C', d = 68 'D', e = 69 'E', f = 70 'F', g = 71 'G', h = 72 'H', i = 73 'I', j = 74 'J'}" | |
108 | call_struct_func "fun11" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4', e = 53 '5', f = 54 '6', g = 55 '7', h = 56 '8', i = 57 '9', j = 65 'A', k = 66 'B'}" | |
109 | call_struct_func "fun12" " = {a = 65 'A', b = 66 'B', c = 67 'C', d = 68 'D', e = 69 'E', f = 70 'F', g = 71 'G', h = 72 'H', i = 73 'I', j = 74 'J', k = 75 'K', l = 76 'L'}" | |
110 | call_struct_func "fun16" " = {a = 97 'a', b = 98 'b', c = 99 'c', d = 100 'd', e = 101 'e', f = 102 'f', g = 103 'g', h = 104 'h', i = 105 'i', j = 106 'j', k = 107 'k', l = 108 'l', m = 109 'm', n = 110 'n', o = 111 'o', p = 112 'p'}" | |
111 | ||
112 | # Now call the Fun functions to set the L* variables. This | |
113 | # tests that gdb properly passes structures to functions. | |
114 | gdb_test "p Fun1(foo1)" " = (void|0)" | |
115 | gdb_test "p Fun2(foo2)" " = (void|0)" | |
116 | gdb_test "p Fun3(foo3)" " = (void|0)" | |
117 | gdb_test "p Fun4(foo4)" " = (void|0)" | |
118 | gdb_test "p Fun5(foo5)" " = (void|0)" | |
119 | gdb_test "p Fun6(foo6)" " = (void|0)" | |
120 | gdb_test "p Fun7(foo7)" " = (void|0)" | |
121 | gdb_test "p Fun8(foo8)" " = (void|0)" | |
122 | gdb_test "p Fun9(foo9)" " = (void|0)" | |
123 | gdb_test "p Fun10(foo10)" " = (void|0)" | |
124 | gdb_test "p Fun11(foo11)" " = (void|0)" | |
125 | gdb_test "p Fun12(foo12)" " = (void|0)" | |
126 | gdb_test "p Fun16(foo16)" " = (void|0)" | |
127 | ||
128 | # Now print the L* variables and examine their values. | |
129 | gdb_test "p L1" " = {a = 49 '1'}" | |
130 | gdb_test "p L2" " = {a = 97 'a', b = 98 'b'}" | |
131 | gdb_test "p L3" " = {a = 65 'A', b = 66 'B', c = 67 'C'}" | |
132 | gdb_test "p L4" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4'}" | |
133 | gdb_test "p L5" " = {a = 97 'a', b = 98 'b', c = 99 'c', d = 100 'd', e = 101 'e'}" | |
134 | gdb_test "p L6" " = {a = 65 'A', b = 66 'B', c = 67 'C', d = 68 'D', e = 69 'E', f = 70 'F'}" | |
135 | gdb_test "p L7" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4', e = 53 '5', f = 54 '6', g = 55 '7'}" | |
136 | gdb_test "p L8" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4', e = 53 '5', f = 54 '6', g = 55 '7', h = 56 '8'}" | |
137 | gdb_test "p L9" " = {a = 97 'a', b = 98 'b', c = 99 'c', d = 100 'd', e = 101 'e', f = 102 'f', g = 103 'g', h = 104 'h', i = 105 'i'}" | |
138 | gdb_test "p L10" " = {a = 65 'A', b = 66 'B', c = 67 'C', d = 68 'D', e = 69 'E', f = 70 'F', g = 71 'G', h = 72 'H', i = 73 'I', j = 74 'J'}" | |
139 | gdb_test "p L11" " = {a = 49 '1', b = 50 '2', c = 51 '3', d = 52 '4', e = 53 '5', f = 54 '6', g = 55 '7', h = 56 '8', i = 57 '9', j = 65 'A', k = 66 'B'}" | |
140 | gdb_test "p L12" " = {a = 65 'A', b = 66 'B', c = 67 'C', d = 68 'D', e = 69 'E', f = 70 'F', g = 71 'G', h = 72 'H', i = 73 'I', j = 74 'J', k = 75 'K', l = 76 'L'}" | |
141 | gdb_test "p L16" " = {a = 97 'a', b = 98 'b', c = 99 'c', d = 100 'd', e = 101 'e', f = 102 'f', g = 103 'g', h = 104 'h', i = 105 'i', j = 106 'j', k = 107 'k', l = 108 'l', m = 109 'm', n = 110 'n', o = 111 'o', p = 112 'p'}" | |
142 | } | |
143 | # Start with a fresh gdb. | |
853d6e5b | 144 | |
b4967060 AC |
145 | gdb_start |
146 | gdb_reinitialize_dir $srcdir/$subdir | |
147 | gdb_load ${binfile} | |
853d6e5b | 148 | |
b4967060 AC |
149 | gdb_test "set print sevenbit-strings" "" |
150 | gdb_test "set print address off" "" | |
151 | gdb_test "set width 0" "" | |
853d6e5b | 152 | |
b4967060 AC |
153 | if [target_info exists gdb,cannot_call_functions] { |
154 | setup_xfail "*-*-*" 2416 | |
155 | fail "This target can not call functions" | |
156 | return 0 | |
157 | } | |
853d6e5b | 158 | |
b4967060 AC |
159 | if { ![runto_main] } then { |
160 | gdb_suppress_tests; | |
161 | } | |
853d6e5b | 162 | |
b4967060 | 163 | do_function_calls; |
74cf1395 | 164 | |
b4967060 | 165 | gdb_stop_suppressing_tests; |
74cf1395 JM |
166 | |
167 | return 0 |