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1 | # This testcase is part of GDB, the GNU debugger. |
2 | ||
0b302171 | 3 | # Copyright 2002-2004, 2007-2012 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 | |
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18 | # |
19 | # test running programs | |
20 | # | |
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21 | |
22 | set testfile "store" | |
23 | set srcfile ${testfile}.c | |
24 | set binfile ${objdir}/${subdir}/${testfile} | |
25 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { | |
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26 | untested store.exp |
27 | return -1 | |
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28 | } |
29 | ||
4c93b1db | 30 | if [get_compiler_info] { |
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31 | return -1; |
32 | } | |
33 | ||
34 | gdb_exit | |
35 | gdb_start | |
36 | gdb_reinitialize_dir $srcdir/$subdir | |
37 | gdb_load ${binfile} | |
38 | ||
39 | # | |
40 | # set it up at a breakpoint so we can play with the variable values | |
41 | # | |
42 | ||
43 | if ![runto_main] then { | |
44 | perror "couldn't run to breakpoint" | |
45 | continue | |
46 | } | |
47 | ||
48 | # | |
49 | ||
81a58f5b | 50 | proc check_set { t l r new add } { |
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51 | global gdb_prompt |
52 | ||
8da195dd | 53 | set prefix "var ${t} l" |
27e829d0 | 54 | gdb_test "tbreak wack_${t}" |
263a0f8c JK |
55 | |
56 | set test "continue to wack_${t}" | |
57 | gdb_test_multiple "continue" $test { | |
58 | -re "register ${t} l = u, r = v;\r\n$gdb_prompt $" { | |
59 | # See GCC PR debug/53948. | |
60 | send_gdb "next\n" | |
61 | exp_continue | |
62 | } | |
63 | -re "l = add_${t} .l, r.;\r\n$gdb_prompt $" { | |
64 | pass $test | |
65 | } | |
66 | } | |
67 | ||
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68 | gdb_test "print l" " = ${l}" \ |
69 | "${prefix}; print old l, expecting ${l}" | |
70 | gdb_test "print r" " = ${r}" \ | |
71 | "${prefix}; print old r, expecting ${r}" | |
27d3a1a2 | 72 | gdb_test_no_output "set variable l = 4" \ |
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73 | "${prefix}; setting l to 4" |
74 | gdb_test "print l" " = ${new}" \ | |
146b9145 | 75 | "${prefix}; print new l, expecting ${new}" |
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76 | gdb_test "next" "return l \\+ r;" \ |
77 | "${prefix}; next over add call" | |
78 | gdb_test "print l" " = ${add}" \ | |
79 | "${prefix}; print incremented l, expecting ${add}" | |
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80 | } |
81 | ||
30b66ecc | 82 | check_set "charest" "-1 .*" "-2 .*" "4 ..004." "2 ..002." |
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83 | check_set "short" "-1" "-2" "4" "2" |
84 | check_set "int" "-1" "-2" "4" "2" | |
85 | check_set "long" "-1" "-2" "4" "2" | |
86 | check_set "longest" "-1" "-2" "4" "2" | |
87 | check_set "float" "-1" "-2" "4" "2" | |
88 | check_set "double" "-1" "-2" "4" "2" | |
89 | check_set "doublest" "-1" "-2" "4" "2" | |
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90 | |
91 | # | |
92 | ||
81a58f5b | 93 | proc up_set { t l r new } { |
8da195dd | 94 | set prefix "upvar ${t} l" |
27e829d0 | 95 | gdb_test "tbreak add_${t}" |
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96 | gdb_test "continue" "return u . v;" \ |
97 | "continue to add_${t}" | |
98 | gdb_test "up" "l = add_${t} .l, r.;" \ | |
99 | "${prefix}; up" | |
100 | gdb_test "print l" " = ${l}" \ | |
101 | "${prefix}; print old l, expecting ${l}" | |
102 | gdb_test "print r" " = ${r}" \ | |
103 | "${prefix}; print old r, expecting ${r}" | |
27d3a1a2 | 104 | gdb_test_no_output "set variable l = 4" \ |
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105 | "${prefix}; set l to 4" |
106 | gdb_test "print l" " = ${new}" \ | |
107 | "${prefix}; print new l, expecting ${new}" | |
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108 | } |
109 | ||
30b66ecc | 110 | up_set "charest" "-1 .*" "-2 .*" "4 ..004." |
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111 | up_set "short" "-1" "-2" "4" |
112 | up_set "int" "-1" "-2" "4" | |
113 | up_set "long" "-1" "-2" "4" | |
114 | up_set "longest" "-1" "-2" "4" | |
115 | up_set "float" "-1" "-2" "4" | |
116 | up_set "double" "-1" "-2" "4" | |
117 | up_set "doublest" "-1" "-2" "4" | |
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118 | |
119 | # | |
120 | ||
121 | proc check_struct { t old new } { | |
8da195dd | 122 | set prefix "var struct ${t} u" |
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123 | gdb_test "tbreak wack_struct_${t}" |
124 | gdb_test "continue" "int i; register struct s_${t} u = z_${t};" \ | |
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125 | "continue to wack_struct_${t}" |
126 | gdb_test "next 2" "add_struct_${t} .u.;" \ | |
127 | "${prefix}; next to add_struct_${t} call" | |
128 | gdb_test "print u" " = ${old}" \ | |
129 | "${prefix}; print old u, expecting ${old}" | |
27d3a1a2 | 130 | gdb_test_no_output "set variable u = s_${t}" \ |
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131 | "${prefix}; set u to s_${t}" |
132 | gdb_test "print u" " = ${new}" \ | |
133 | "${prefix}; print new u, expecting ${new}" | |
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134 | } |
135 | ||
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136 | check_struct "1" "{s = \\{0}}" "{s = \\{1}}" |
137 | check_struct "2" "{s = \\{0, 0}}" "{s = \\{1, 2}}" | |
138 | check_struct "3" "{s = \\{0, 0, 0}}" "{s = \\{1, 2, 3}}" | |
139 | check_struct "4" "{s = \\{0, 0, 0, 0}}" "{s = \\{1, 2, 3, 4}}" | |
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140 | |
141 | proc up_struct { t old new } { | |
8da195dd | 142 | set prefix "up struct ${t} u" |
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143 | gdb_test "tbreak add_struct_${t}" |
144 | gdb_test "continue" "for .i = 0; i < sizeof .s. / sizeof .s.s.0..; i..." \ | |
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145 | "continue to add_struct_${t}" |
146 | gdb_test "up" "u = add_struct_${t} .u.;" \ | |
147 | "${prefix}; up" | |
148 | gdb_test "print u" " = ${old}" \ | |
149 | "${prefix}; print old u, expecting ${old}" | |
27d3a1a2 | 150 | gdb_test_no_output "set variable u = s_${t}" \ |
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151 | "${prefix}; set u to s_${t}" |
152 | gdb_test "print u" " = ${new}" \ | |
153 | "${prefix}; print new u, expecting ${new}" | |
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154 | } |
155 | ||
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156 | up_struct "1" "{s = \\{0}}" "{s = \\{1}}" |
157 | up_struct "2" "{s = \\{0, 0}}" "{s = \\{1, 2}}" | |
158 | up_struct "3" "{s = \\{0, 0, 0}}" "{s = \\{1, 2, 3}}" | |
159 | up_struct "4" "{s = \\{0, 0, 0, 0}}" "{s = \\{1, 2, 3, 4}}" | |
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160 | |
161 | # | |
162 | ||
163 | proc check_field { t } { | |
164 | global gdb_prompt | |
165 | gdb_test "tbreak wack_field_${t}" | |
166 | gdb_test "continue" "register struct f_${t} u = f_${t};" \ | |
167 | "continue field ${t}" | |
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168 | |
169 | # Match either the return statement, or the line immediatly after | |
170 | # it. The compiler can end up merging the return statement into | |
171 | # the return instruction. | |
172 | gdb_test "next" "(return u;|\})" "next field ${t}" | |
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173 | |
174 | gdb_test "print u" " = {i = 1, j = 1, k = 1}" "old field ${t}" | |
27d3a1a2 | 175 | gdb_test_no_output "set variable u = F_${t}" |
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176 | gdb_test "print u" " = {i = 0, j = 0, k = 0}" "new field ${t}" |
177 | ||
27d3a1a2 | 178 | gdb_test_no_output "set variable u = F_${t}, u.i = f_${t}.i" |
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179 | gdb_test "print u" " = {i = 1, j = 0, k = 0}" "f_${t}.i" |
180 | ||
27d3a1a2 | 181 | gdb_test_no_output "set variable u = F_${t}, u.j = f_${t}.j" |
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182 | gdb_test "print u" " = {i = 0, j = 1, k = 0}" "f_${t}.j" |
183 | ||
27d3a1a2 | 184 | gdb_test_no_output "set variable u = F_${t}, u.k = f_${t}.k" |
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185 | gdb_test "print u" " = {i = 0, j = 0, k = 1}" "f_${t}.k" |
186 | ||
27d3a1a2 | 187 | gdb_test_no_output "set variable u = f_${t}, u.i = F_${t}.i" |
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188 | gdb_test "print u" " = {i = 0, j = 1, k = 1}" "F_${t}.i" |
189 | ||
27d3a1a2 | 190 | gdb_test_no_output "set variable u = f_${t}, u.j = F_${t}.j" |
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191 | gdb_test "print u" " = {i = 1, j = 0, k = 1}" "F_${t}.j" |
192 | ||
27d3a1a2 | 193 | gdb_test_no_output "set variable u = f_${t}, u.k = F_${t}.k" |
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194 | gdb_test "print u" " = {i = 1, j = 1, k = 0}" "F_${t}.k" |
195 | ||
196 | } | |
197 | ||
198 | check_field 1 | |
199 | check_field 2 | |
200 | check_field 3 | |
201 | check_field 4 | |
202 | ||
203 | # | |
204 | ||
205 | # WANTED: A fairly portable way of convincing the compiler to split a | |
206 | # value across memory and registers. | |
207 |