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1 | # This testcase is part of GDB, the GNU debugger. |
2 | ||
6aba47ca | 3 | # Copyright 2002, 2003, 2004, 2007 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 | |
7 | # the Free Software Foundation; either version 2 of the License, or | |
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 | |
16 | # along with this program; if not, write to the Free Software | |
17 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
18 | ||
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19 | if $tracelevel { |
20 | strace $tracelevel | |
21 | } | |
22 | ||
23 | # | |
24 | # test running programs | |
25 | # | |
26 | set prms_id 0 | |
27 | set bug_id 0 | |
28 | ||
29 | set testfile "store" | |
30 | set srcfile ${testfile}.c | |
31 | set binfile ${objdir}/${subdir}/${testfile} | |
32 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { | |
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33 | untested store.exp |
34 | return -1 | |
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35 | } |
36 | ||
37 | if [get_compiler_info ${binfile}] { | |
38 | return -1; | |
39 | } | |
40 | ||
41 | gdb_exit | |
42 | gdb_start | |
43 | gdb_reinitialize_dir $srcdir/$subdir | |
44 | gdb_load ${binfile} | |
45 | ||
46 | # | |
47 | # set it up at a breakpoint so we can play with the variable values | |
48 | # | |
49 | ||
50 | if ![runto_main] then { | |
51 | perror "couldn't run to breakpoint" | |
52 | continue | |
53 | } | |
54 | ||
55 | # | |
56 | ||
81a58f5b | 57 | proc check_set { t l r new add } { |
8da195dd | 58 | set prefix "var ${t} l" |
27e829d0 | 59 | gdb_test "tbreak wack_${t}" |
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60 | gdb_test "continue" "register ${t} l = u, r = v;" \ |
61 | "continue to wack_${t}" | |
62 | gdb_test "next" "l = add_${t} .l, r.;" \ | |
63 | "${prefix}; next ${t}" | |
64 | gdb_test "print l" " = ${l}" \ | |
65 | "${prefix}; print old l, expecting ${l}" | |
66 | gdb_test "print r" " = ${r}" \ | |
67 | "${prefix}; print old r, expecting ${r}" | |
68 | gdb_test "set variable l = 4" "" \ | |
69 | "${prefix}; setting l to 4" | |
70 | gdb_test "print l" " = ${new}" \ | |
71 | "${prefix}; print new l, expecting ${l}" | |
72 | gdb_test "next" "return l \\+ r;" \ | |
73 | "${prefix}; next over add call" | |
74 | gdb_test "print l" " = ${add}" \ | |
75 | "${prefix}; print incremented l, expecting ${add}" | |
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76 | } |
77 | ||
3a871b37 | 78 | check_set "charest" "-1 .*" "-2 .*" "4 ..004." "2 ..002." |
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79 | check_set "short" "-1" "-2" "4" "2" |
80 | check_set "int" "-1" "-2" "4" "2" | |
81 | check_set "long" "-1" "-2" "4" "2" | |
82 | check_set "longest" "-1" "-2" "4" "2" | |
83 | check_set "float" "-1" "-2" "4" "2" | |
84 | check_set "double" "-1" "-2" "4" "2" | |
85 | check_set "doublest" "-1" "-2" "4" "2" | |
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86 | |
87 | # | |
88 | ||
81a58f5b | 89 | proc up_set { t l r new } { |
8da195dd | 90 | set prefix "upvar ${t} l" |
27e829d0 | 91 | gdb_test "tbreak add_${t}" |
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92 | gdb_test "continue" "return u . v;" \ |
93 | "continue to add_${t}" | |
94 | gdb_test "up" "l = add_${t} .l, r.;" \ | |
95 | "${prefix}; up" | |
96 | gdb_test "print l" " = ${l}" \ | |
97 | "${prefix}; print old l, expecting ${l}" | |
98 | gdb_test "print r" " = ${r}" \ | |
99 | "${prefix}; print old r, expecting ${r}" | |
100 | gdb_test "set variable l = 4" "" \ | |
101 | "${prefix}; set l to 4" | |
102 | gdb_test "print l" " = ${new}" \ | |
103 | "${prefix}; print new l, expecting ${new}" | |
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104 | } |
105 | ||
3a871b37 | 106 | up_set "charest" "-1 .*" "-2 .*" "4 ..004." |
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107 | up_set "short" "-1" "-2" "4" |
108 | up_set "int" "-1" "-2" "4" | |
109 | up_set "long" "-1" "-2" "4" | |
110 | up_set "longest" "-1" "-2" "4" | |
111 | up_set "float" "-1" "-2" "4" | |
112 | up_set "double" "-1" "-2" "4" | |
113 | up_set "doublest" "-1" "-2" "4" | |
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114 | |
115 | # | |
116 | ||
117 | proc check_struct { t old new } { | |
8da195dd | 118 | set prefix "var struct ${t} u" |
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119 | gdb_test "tbreak wack_struct_${t}" |
120 | gdb_test "continue" "int i; register struct s_${t} u = z_${t};" \ | |
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121 | "continue to wack_struct_${t}" |
122 | gdb_test "next 2" "add_struct_${t} .u.;" \ | |
123 | "${prefix}; next to add_struct_${t} call" | |
124 | gdb_test "print u" " = ${old}" \ | |
125 | "${prefix}; print old u, expecting ${old}" | |
126 | gdb_test "set variable u = s_${t}" "" \ | |
127 | "${prefix}; set u to s_${t}" | |
128 | gdb_test "print u" " = ${new}" \ | |
129 | "${prefix}; print new u, expecting ${new}" | |
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130 | } |
131 | ||
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132 | check_struct "1" "{s = \\{0}}" "{s = \\{1}}" |
133 | check_struct "2" "{s = \\{0, 0}}" "{s = \\{1, 2}}" | |
134 | check_struct "3" "{s = \\{0, 0, 0}}" "{s = \\{1, 2, 3}}" | |
135 | check_struct "4" "{s = \\{0, 0, 0, 0}}" "{s = \\{1, 2, 3, 4}}" | |
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136 | |
137 | proc up_struct { t old new } { | |
8da195dd | 138 | set prefix "up struct ${t} u" |
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139 | gdb_test "tbreak add_struct_${t}" |
140 | gdb_test "continue" "for .i = 0; i < sizeof .s. / sizeof .s.s.0..; i..." \ | |
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141 | "continue to add_struct_${t}" |
142 | gdb_test "up" "u = add_struct_${t} .u.;" \ | |
143 | "${prefix}; up" | |
144 | gdb_test "print u" " = ${old}" \ | |
145 | "${prefix}; print old u, expecting ${old}" | |
146 | gdb_test "set variable u = s_${t}" "" \ | |
147 | "${prefix}; set u to s_${t}" | |
148 | gdb_test "print u" " = ${new}" \ | |
149 | "${prefix}; print new u, expecting ${new}" | |
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150 | } |
151 | ||
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152 | up_struct "1" "{s = \\{0}}" "{s = \\{1}}" |
153 | up_struct "2" "{s = \\{0, 0}}" "{s = \\{1, 2}}" | |
154 | up_struct "3" "{s = \\{0, 0, 0}}" "{s = \\{1, 2, 3}}" | |
155 | up_struct "4" "{s = \\{0, 0, 0, 0}}" "{s = \\{1, 2, 3, 4}}" | |
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156 | |
157 | # | |
158 | ||
159 | proc check_field { t } { | |
160 | global gdb_prompt | |
161 | gdb_test "tbreak wack_field_${t}" | |
162 | gdb_test "continue" "register struct f_${t} u = f_${t};" \ | |
163 | "continue field ${t}" | |
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164 | |
165 | # Match either the return statement, or the line immediatly after | |
166 | # it. The compiler can end up merging the return statement into | |
167 | # the return instruction. | |
168 | gdb_test "next" "(return u;|\})" "next field ${t}" | |
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169 | |
170 | gdb_test "print u" " = {i = 1, j = 1, k = 1}" "old field ${t}" | |
171 | gdb_test "set variable u = F_${t}" | |
172 | gdb_test "print u" " = {i = 0, j = 0, k = 0}" "new field ${t}" | |
173 | ||
174 | gdb_test "set variable u = F_${t}, u.i = f_${t}.i" | |
175 | gdb_test "print u" " = {i = 1, j = 0, k = 0}" "f_${t}.i" | |
176 | ||
177 | gdb_test "set variable u = F_${t}, u.j = f_${t}.j" | |
178 | gdb_test "print u" " = {i = 0, j = 1, k = 0}" "f_${t}.j" | |
179 | ||
180 | gdb_test "set variable u = F_${t}, u.k = f_${t}.k" | |
181 | gdb_test "print u" " = {i = 0, j = 0, k = 1}" "f_${t}.k" | |
182 | ||
183 | gdb_test "set variable u = f_${t}, u.i = F_${t}.i" | |
184 | gdb_test "print u" " = {i = 0, j = 1, k = 1}" "F_${t}.i" | |
185 | ||
186 | gdb_test "set variable u = f_${t}, u.j = F_${t}.j" | |
187 | gdb_test "print u" " = {i = 1, j = 0, k = 1}" "F_${t}.j" | |
188 | ||
189 | gdb_test "set variable u = f_${t}, u.k = F_${t}.k" | |
190 | gdb_test "print u" " = {i = 1, j = 1, k = 0}" "F_${t}.k" | |
191 | ||
192 | } | |
193 | ||
194 | check_field 1 | |
195 | check_field 2 | |
196 | check_field 3 | |
197 | check_field 4 | |
198 | ||
199 | # | |
200 | ||
201 | # WANTED: A fairly portable way of convincing the compiler to split a | |
202 | # value across memory and registers. | |
203 |