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1 | # This testcase is part of GDB, the GNU debugger. |
2 | ||
9b254dd1 | 3 | # Copyright 2002, 2003, 2004, 2007, 2008 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 | if $tracelevel { |
19 | strace $tracelevel | |
20 | } | |
21 | ||
22 | # | |
23 | # test running programs | |
24 | # | |
25 | set prms_id 0 | |
26 | set bug_id 0 | |
27 | ||
28 | set testfile "store" | |
29 | set srcfile ${testfile}.c | |
30 | set binfile ${objdir}/${subdir}/${testfile} | |
31 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { | |
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32 | untested store.exp |
33 | return -1 | |
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34 | } |
35 | ||
36 | if [get_compiler_info ${binfile}] { | |
37 | return -1; | |
38 | } | |
39 | ||
40 | gdb_exit | |
41 | gdb_start | |
42 | gdb_reinitialize_dir $srcdir/$subdir | |
43 | gdb_load ${binfile} | |
44 | ||
45 | # | |
46 | # set it up at a breakpoint so we can play with the variable values | |
47 | # | |
48 | ||
49 | if ![runto_main] then { | |
50 | perror "couldn't run to breakpoint" | |
51 | continue | |
52 | } | |
53 | ||
54 | # | |
55 | ||
81a58f5b | 56 | proc check_set { t l r new add } { |
8da195dd | 57 | set prefix "var ${t} l" |
27e829d0 | 58 | gdb_test "tbreak wack_${t}" |
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59 | gdb_test "continue" "register ${t} l = u, r = v;" \ |
60 | "continue to wack_${t}" | |
61 | gdb_test "next" "l = add_${t} .l, r.;" \ | |
62 | "${prefix}; next ${t}" | |
63 | gdb_test "print l" " = ${l}" \ | |
64 | "${prefix}; print old l, expecting ${l}" | |
65 | gdb_test "print r" " = ${r}" \ | |
66 | "${prefix}; print old r, expecting ${r}" | |
67 | gdb_test "set variable l = 4" "" \ | |
68 | "${prefix}; setting l to 4" | |
69 | gdb_test "print l" " = ${new}" \ | |
70 | "${prefix}; print new l, expecting ${l}" | |
71 | gdb_test "next" "return l \\+ r;" \ | |
72 | "${prefix}; next over add call" | |
73 | gdb_test "print l" " = ${add}" \ | |
74 | "${prefix}; print incremented l, expecting ${add}" | |
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75 | } |
76 | ||
3a871b37 | 77 | check_set "charest" "-1 .*" "-2 .*" "4 ..004." "2 ..002." |
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78 | check_set "short" "-1" "-2" "4" "2" |
79 | check_set "int" "-1" "-2" "4" "2" | |
80 | check_set "long" "-1" "-2" "4" "2" | |
81 | check_set "longest" "-1" "-2" "4" "2" | |
82 | check_set "float" "-1" "-2" "4" "2" | |
83 | check_set "double" "-1" "-2" "4" "2" | |
84 | check_set "doublest" "-1" "-2" "4" "2" | |
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85 | |
86 | # | |
87 | ||
81a58f5b | 88 | proc up_set { t l r new } { |
8da195dd | 89 | set prefix "upvar ${t} l" |
27e829d0 | 90 | gdb_test "tbreak add_${t}" |
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91 | gdb_test "continue" "return u . v;" \ |
92 | "continue to add_${t}" | |
93 | gdb_test "up" "l = add_${t} .l, r.;" \ | |
94 | "${prefix}; up" | |
95 | gdb_test "print l" " = ${l}" \ | |
96 | "${prefix}; print old l, expecting ${l}" | |
97 | gdb_test "print r" " = ${r}" \ | |
98 | "${prefix}; print old r, expecting ${r}" | |
99 | gdb_test "set variable l = 4" "" \ | |
100 | "${prefix}; set l to 4" | |
101 | gdb_test "print l" " = ${new}" \ | |
102 | "${prefix}; print new l, expecting ${new}" | |
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103 | } |
104 | ||
3a871b37 | 105 | up_set "charest" "-1 .*" "-2 .*" "4 ..004." |
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106 | up_set "short" "-1" "-2" "4" |
107 | up_set "int" "-1" "-2" "4" | |
108 | up_set "long" "-1" "-2" "4" | |
109 | up_set "longest" "-1" "-2" "4" | |
110 | up_set "float" "-1" "-2" "4" | |
111 | up_set "double" "-1" "-2" "4" | |
112 | up_set "doublest" "-1" "-2" "4" | |
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113 | |
114 | # | |
115 | ||
116 | proc check_struct { t old new } { | |
8da195dd | 117 | set prefix "var struct ${t} u" |
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118 | gdb_test "tbreak wack_struct_${t}" |
119 | gdb_test "continue" "int i; register struct s_${t} u = z_${t};" \ | |
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120 | "continue to wack_struct_${t}" |
121 | gdb_test "next 2" "add_struct_${t} .u.;" \ | |
122 | "${prefix}; next to add_struct_${t} call" | |
123 | gdb_test "print u" " = ${old}" \ | |
124 | "${prefix}; print old u, expecting ${old}" | |
125 | gdb_test "set variable u = s_${t}" "" \ | |
126 | "${prefix}; set u to s_${t}" | |
127 | gdb_test "print u" " = ${new}" \ | |
128 | "${prefix}; print new u, expecting ${new}" | |
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129 | } |
130 | ||
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131 | check_struct "1" "{s = \\{0}}" "{s = \\{1}}" |
132 | check_struct "2" "{s = \\{0, 0}}" "{s = \\{1, 2}}" | |
133 | check_struct "3" "{s = \\{0, 0, 0}}" "{s = \\{1, 2, 3}}" | |
134 | check_struct "4" "{s = \\{0, 0, 0, 0}}" "{s = \\{1, 2, 3, 4}}" | |
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135 | |
136 | proc up_struct { t old new } { | |
8da195dd | 137 | set prefix "up struct ${t} u" |
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138 | gdb_test "tbreak add_struct_${t}" |
139 | gdb_test "continue" "for .i = 0; i < sizeof .s. / sizeof .s.s.0..; i..." \ | |
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140 | "continue to add_struct_${t}" |
141 | gdb_test "up" "u = add_struct_${t} .u.;" \ | |
142 | "${prefix}; up" | |
143 | gdb_test "print u" " = ${old}" \ | |
144 | "${prefix}; print old u, expecting ${old}" | |
145 | gdb_test "set variable u = s_${t}" "" \ | |
146 | "${prefix}; set u to s_${t}" | |
147 | gdb_test "print u" " = ${new}" \ | |
148 | "${prefix}; print new u, expecting ${new}" | |
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149 | } |
150 | ||
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151 | up_struct "1" "{s = \\{0}}" "{s = \\{1}}" |
152 | up_struct "2" "{s = \\{0, 0}}" "{s = \\{1, 2}}" | |
153 | up_struct "3" "{s = \\{0, 0, 0}}" "{s = \\{1, 2, 3}}" | |
154 | up_struct "4" "{s = \\{0, 0, 0, 0}}" "{s = \\{1, 2, 3, 4}}" | |
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155 | |
156 | # | |
157 | ||
158 | proc check_field { t } { | |
159 | global gdb_prompt | |
160 | gdb_test "tbreak wack_field_${t}" | |
161 | gdb_test "continue" "register struct f_${t} u = f_${t};" \ | |
162 | "continue field ${t}" | |
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163 | |
164 | # Match either the return statement, or the line immediatly after | |
165 | # it. The compiler can end up merging the return statement into | |
166 | # the return instruction. | |
167 | gdb_test "next" "(return u;|\})" "next field ${t}" | |
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168 | |
169 | gdb_test "print u" " = {i = 1, j = 1, k = 1}" "old field ${t}" | |
170 | gdb_test "set variable u = F_${t}" | |
171 | gdb_test "print u" " = {i = 0, j = 0, k = 0}" "new field ${t}" | |
172 | ||
173 | gdb_test "set variable u = F_${t}, u.i = f_${t}.i" | |
174 | gdb_test "print u" " = {i = 1, j = 0, k = 0}" "f_${t}.i" | |
175 | ||
176 | gdb_test "set variable u = F_${t}, u.j = f_${t}.j" | |
177 | gdb_test "print u" " = {i = 0, j = 1, k = 0}" "f_${t}.j" | |
178 | ||
179 | gdb_test "set variable u = F_${t}, u.k = f_${t}.k" | |
180 | gdb_test "print u" " = {i = 0, j = 0, k = 1}" "f_${t}.k" | |
181 | ||
182 | gdb_test "set variable u = f_${t}, u.i = F_${t}.i" | |
183 | gdb_test "print u" " = {i = 0, j = 1, k = 1}" "F_${t}.i" | |
184 | ||
185 | gdb_test "set variable u = f_${t}, u.j = F_${t}.j" | |
186 | gdb_test "print u" " = {i = 1, j = 0, k = 1}" "F_${t}.j" | |
187 | ||
188 | gdb_test "set variable u = f_${t}, u.k = F_${t}.k" | |
189 | gdb_test "print u" " = {i = 1, j = 1, k = 0}" "F_${t}.k" | |
190 | ||
191 | } | |
192 | ||
193 | check_field 1 | |
194 | check_field 2 | |
195 | check_field 3 | |
196 | check_field 4 | |
197 | ||
198 | # | |
199 | ||
200 | # WANTED: A fairly portable way of convincing the compiler to split a | |
201 | # value across memory and registers. | |
202 |