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1 | # This testcase is part of GDB, the GNU debugger. |
2 | ||
32d0add0 | 3 | # Copyright 2002-2015 Free Software Foundation, Inc. |
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4 | |
5 | # This program is free software; you can redistribute it and/or modify | |
6 | # it under the terms of the GNU General Public License as published by | |
e22f8b7c | 7 | # the Free Software Foundation; either version 3 of the License, or |
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8 | # (at your option) any later version. |
9 | # | |
10 | # This program is distributed in the hope that it will be useful, | |
11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | # GNU General Public License for more details. | |
14 | # | |
15 | # You should have received a copy of the GNU General Public License | |
e22f8b7c | 16 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
27e829d0 | 17 | |
e229648e JK |
18 | standard_testfile |
19 | set executable $testfile | |
27e829d0 | 20 | |
e229648e | 21 | if { [prepare_for_testing $testfile.exp $executable $srcfile] } { |
b9c5a23d | 22 | return -1 |
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23 | } |
24 | ||
4c93b1db | 25 | if [get_compiler_info] { |
ae59b1da | 26 | return -1 |
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27 | } |
28 | ||
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29 | # |
30 | # set it up at a breakpoint so we can play with the variable values | |
31 | # | |
32 | ||
33 | if ![runto_main] then { | |
34 | perror "couldn't run to breakpoint" | |
35 | continue | |
36 | } | |
37 | ||
38 | # | |
39 | ||
81a58f5b | 40 | proc check_set { t l r new add } { |
263a0f8c JK |
41 | global gdb_prompt |
42 | ||
8da195dd | 43 | set prefix "var ${t} l" |
27e829d0 | 44 | gdb_test "tbreak wack_${t}" |
263a0f8c JK |
45 | |
46 | set test "continue to wack_${t}" | |
47 | gdb_test_multiple "continue" $test { | |
48 | -re "register ${t} l = u, r = v;\r\n$gdb_prompt $" { | |
49 | # See GCC PR debug/53948. | |
50 | send_gdb "next\n" | |
51 | exp_continue | |
52 | } | |
53 | -re "l = add_${t} .l, r.;\r\n$gdb_prompt $" { | |
54 | pass $test | |
55 | } | |
56 | } | |
57 | ||
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58 | gdb_test "print l" " = ${l}" \ |
59 | "${prefix}; print old l, expecting ${l}" | |
60 | gdb_test "print r" " = ${r}" \ | |
61 | "${prefix}; print old r, expecting ${r}" | |
27d3a1a2 | 62 | gdb_test_no_output "set variable l = 4" \ |
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63 | "${prefix}; setting l to 4" |
64 | gdb_test "print l" " = ${new}" \ | |
146b9145 | 65 | "${prefix}; print new l, expecting ${new}" |
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66 | gdb_test "next" "return l \\+ r;" \ |
67 | "${prefix}; next over add call" | |
68 | gdb_test "print l" " = ${add}" \ | |
69 | "${prefix}; print incremented l, expecting ${add}" | |
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70 | } |
71 | ||
30b66ecc | 72 | check_set "charest" "-1 .*" "-2 .*" "4 ..004." "2 ..002." |
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73 | check_set "short" "-1" "-2" "4" "2" |
74 | check_set "int" "-1" "-2" "4" "2" | |
75 | check_set "long" "-1" "-2" "4" "2" | |
76 | check_set "longest" "-1" "-2" "4" "2" | |
77 | check_set "float" "-1" "-2" "4" "2" | |
78 | check_set "double" "-1" "-2" "4" "2" | |
79 | check_set "doublest" "-1" "-2" "4" "2" | |
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80 | |
81 | # | |
82 | ||
81a58f5b | 83 | proc up_set { t l r new } { |
8da195dd | 84 | set prefix "upvar ${t} l" |
27e829d0 | 85 | gdb_test "tbreak add_${t}" |
8da195dd AC |
86 | gdb_test "continue" "return u . v;" \ |
87 | "continue to add_${t}" | |
88 | gdb_test "up" "l = add_${t} .l, r.;" \ | |
89 | "${prefix}; up" | |
90 | gdb_test "print l" " = ${l}" \ | |
91 | "${prefix}; print old l, expecting ${l}" | |
92 | gdb_test "print r" " = ${r}" \ | |
93 | "${prefix}; print old r, expecting ${r}" | |
27d3a1a2 | 94 | gdb_test_no_output "set variable l = 4" \ |
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95 | "${prefix}; set l to 4" |
96 | gdb_test "print l" " = ${new}" \ | |
97 | "${prefix}; print new l, expecting ${new}" | |
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98 | } |
99 | ||
30b66ecc | 100 | up_set "charest" "-1 .*" "-2 .*" "4 ..004." |
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101 | up_set "short" "-1" "-2" "4" |
102 | up_set "int" "-1" "-2" "4" | |
103 | up_set "long" "-1" "-2" "4" | |
104 | up_set "longest" "-1" "-2" "4" | |
105 | up_set "float" "-1" "-2" "4" | |
106 | up_set "double" "-1" "-2" "4" | |
107 | up_set "doublest" "-1" "-2" "4" | |
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108 | |
109 | # | |
110 | ||
111 | proc check_struct { t old new } { | |
8da195dd | 112 | set prefix "var struct ${t} u" |
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113 | gdb_test "tbreak wack_struct_${t}" |
114 | gdb_test "continue" "int i; register struct s_${t} u = z_${t};" \ | |
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115 | "continue to wack_struct_${t}" |
116 | gdb_test "next 2" "add_struct_${t} .u.;" \ | |
117 | "${prefix}; next to add_struct_${t} call" | |
118 | gdb_test "print u" " = ${old}" \ | |
119 | "${prefix}; print old u, expecting ${old}" | |
27d3a1a2 | 120 | gdb_test_no_output "set variable u = s_${t}" \ |
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121 | "${prefix}; set u to s_${t}" |
122 | gdb_test "print u" " = ${new}" \ | |
123 | "${prefix}; print new u, expecting ${new}" | |
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124 | } |
125 | ||
7634bb6e DJ |
126 | check_struct "1" "{s = \\{0}}" "{s = \\{1}}" |
127 | check_struct "2" "{s = \\{0, 0}}" "{s = \\{1, 2}}" | |
128 | check_struct "3" "{s = \\{0, 0, 0}}" "{s = \\{1, 2, 3}}" | |
129 | check_struct "4" "{s = \\{0, 0, 0, 0}}" "{s = \\{1, 2, 3, 4}}" | |
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130 | |
131 | proc up_struct { t old new } { | |
8da195dd | 132 | set prefix "up struct ${t} u" |
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133 | gdb_test "tbreak add_struct_${t}" |
134 | gdb_test "continue" "for .i = 0; i < sizeof .s. / sizeof .s.s.0..; i..." \ | |
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135 | "continue to add_struct_${t}" |
136 | gdb_test "up" "u = add_struct_${t} .u.;" \ | |
137 | "${prefix}; up" | |
138 | gdb_test "print u" " = ${old}" \ | |
139 | "${prefix}; print old u, expecting ${old}" | |
27d3a1a2 | 140 | gdb_test_no_output "set variable u = s_${t}" \ |
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141 | "${prefix}; set u to s_${t}" |
142 | gdb_test "print u" " = ${new}" \ | |
143 | "${prefix}; print new u, expecting ${new}" | |
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144 | } |
145 | ||
7634bb6e DJ |
146 | up_struct "1" "{s = \\{0}}" "{s = \\{1}}" |
147 | up_struct "2" "{s = \\{0, 0}}" "{s = \\{1, 2}}" | |
148 | up_struct "3" "{s = \\{0, 0, 0}}" "{s = \\{1, 2, 3}}" | |
149 | up_struct "4" "{s = \\{0, 0, 0, 0}}" "{s = \\{1, 2, 3, 4}}" | |
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150 | |
151 | # | |
152 | ||
153 | proc check_field { t } { | |
154 | global gdb_prompt | |
155 | gdb_test "tbreak wack_field_${t}" | |
156 | gdb_test "continue" "register struct f_${t} u = f_${t};" \ | |
157 | "continue field ${t}" | |
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158 | |
159 | # Match either the return statement, or the line immediatly after | |
160 | # it. The compiler can end up merging the return statement into | |
161 | # the return instruction. | |
162 | gdb_test "next" "(return u;|\})" "next field ${t}" | |
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163 | |
164 | gdb_test "print u" " = {i = 1, j = 1, k = 1}" "old field ${t}" | |
27d3a1a2 | 165 | gdb_test_no_output "set variable u = F_${t}" |
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166 | gdb_test "print u" " = {i = 0, j = 0, k = 0}" "new field ${t}" |
167 | ||
27d3a1a2 | 168 | gdb_test_no_output "set variable u = F_${t}, u.i = f_${t}.i" |
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169 | gdb_test "print u" " = {i = 1, j = 0, k = 0}" "f_${t}.i" |
170 | ||
27d3a1a2 | 171 | gdb_test_no_output "set variable u = F_${t}, u.j = f_${t}.j" |
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172 | gdb_test "print u" " = {i = 0, j = 1, k = 0}" "f_${t}.j" |
173 | ||
27d3a1a2 | 174 | gdb_test_no_output "set variable u = F_${t}, u.k = f_${t}.k" |
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175 | gdb_test "print u" " = {i = 0, j = 0, k = 1}" "f_${t}.k" |
176 | ||
27d3a1a2 | 177 | gdb_test_no_output "set variable u = f_${t}, u.i = F_${t}.i" |
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178 | gdb_test "print u" " = {i = 0, j = 1, k = 1}" "F_${t}.i" |
179 | ||
27d3a1a2 | 180 | gdb_test_no_output "set variable u = f_${t}, u.j = F_${t}.j" |
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181 | gdb_test "print u" " = {i = 1, j = 0, k = 1}" "F_${t}.j" |
182 | ||
27d3a1a2 | 183 | gdb_test_no_output "set variable u = f_${t}, u.k = F_${t}.k" |
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184 | gdb_test "print u" " = {i = 1, j = 1, k = 0}" "F_${t}.k" |
185 | ||
186 | } | |
187 | ||
188 | check_field 1 | |
189 | check_field 2 | |
190 | check_field 3 | |
191 | check_field 4 | |
192 | ||
193 | # | |
194 | ||
195 | # WANTED: A fairly portable way of convincing the compiler to split a | |
196 | # value across memory and registers. | |
197 |