Commit | Line | Data |
---|---|---|
b811d2c2 | 1 | # Copyright 2012-2020 Free Software Foundation, Inc. |
64ea88dc JB |
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 3 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, see <http://www.gnu.org/licenses/>. */ | |
15 | ||
48b56b6a | 16 | if {[skip_shlib_tests]} { |
17 | return -1 | |
18 | } | |
19 | ||
1d58d6a2 PA |
20 | proc test {hidden dlopen version_id_main lang} { |
21 | global srcdir subdir | |
22 | ||
23 | set main "print-file-var-main" | |
24 | ||
25 | set suffix "-hidden$hidden-dlopen$dlopen-version_id_main$version_id_main" | |
26 | ||
27 | # Normally we place different builds (C/C++) of a test into | |
28 | # subdirectories within the test build directory, however, using | |
29 | # gdb_load_shlib doesn't work well with this approach, so instead | |
30 | # add a language specific suffix to the binary and library names. | |
31 | if { $lang == "c" } { | |
32 | set suffix "${suffix}_c" | |
33 | } else { | |
34 | set suffix "${suffix}_cpp" | |
35 | } | |
36 | ||
37 | set executable $main$suffix | |
38 | ||
39 | set lib1 "print-file-var-lib1" | |
40 | set lib2 "print-file-var-lib2" | |
41 | ||
42 | set libobj1 [standard_output_file ${lib1}$suffix.so] | |
43 | set libobj2 [standard_output_file ${lib2}$suffix.so] | |
44 | ||
45 | set lib_opts { debug additional_flags=-fPIC $lang } | |
46 | lappend lib_opts "additional_flags=-DHIDDEN=$hidden" | |
47 | ||
48 | if { [gdb_compile_shlib ${srcdir}/${subdir}/${lib1}.c \ | |
49 | ${libobj1} \ | |
50 | ${lib_opts} ] != "" } { | |
51 | return -1 | |
52 | } | |
53 | if { [gdb_compile_shlib ${srcdir}/${subdir}/${lib2}.c \ | |
54 | ${libobj2} \ | |
55 | ${lib_opts} ] != "" } { | |
56 | return -1 | |
57 | } | |
58 | ||
59 | set main_opts [list debug shlib=${libobj1} $lang] | |
60 | ||
61 | if {$dlopen} { | |
62 | lappend main_opts "shlib_load" \ | |
63 | "additional_flags=-DSHLIB_NAME=\"$libobj2\"" | |
64 | } else { | |
65 | lappend main_opts "shlib=${libobj2}" | |
66 | } | |
67 | ||
68 | lappend main_opts "additional_flags=-DVERSION_ID_MAIN=$version_id_main" | |
69 | ||
70 | if { [gdb_compile "${srcdir}/${subdir}/${main}.c" \ | |
71 | [standard_output_file ${executable}] \ | |
72 | executable \ | |
73 | $main_opts] | |
74 | != ""} { | |
75 | return -1 | |
76 | } | |
77 | ||
78 | clean_restart $executable | |
79 | gdb_load_shlib $libobj1 | |
80 | gdb_load_shlib $libobj2 | |
81 | ||
82 | if ![runto_main] { | |
83 | untested "could not run to main" | |
84 | return -1 | |
85 | } | |
86 | ||
87 | # Try printing "this_version_num" qualified with the name of the file | |
88 | # where the variables are defined. There are three global variables | |
89 | # with that name, and some systems such as GNU/Linux merge them | |
90 | # into one single entity, while some other systems such as Windows | |
91 | # keep them separate. In the first situation, we have to verify | |
92 | # that GDB does not randomly select the wrong instance, even when | |
93 | # a specific filename is used to qualified the lookup. And in the | |
94 | # second case, we have to verify that GDB does select the instance | |
95 | # defined in the given filename. | |
96 | # | |
97 | # To avoid adding target-specific code in this testcase, the program | |
98 | # sets three local variables named 'vm', 'v1' and 'v2' with the value of | |
99 | # our global variables. This allows us to compare the value that | |
100 | # GDB returns for each query against the actual value seen by | |
101 | # the program itself. | |
102 | ||
103 | # Get past the initialization of the v* variables. | |
104 | ||
105 | set bp_location \ | |
106 | [gdb_get_line_number "STOP" "${main}.c"] | |
107 | gdb_test "break $main.c:$bp_location" \ | |
108 | "Breakpoint \[0-9\]+ at 0x\[0-9a-fA-F\]+: .*" \ | |
109 | "breapoint at STOP marker" | |
110 | ||
111 | gdb_test "continue" \ | |
112 | "Breakpoint \[0-9\]+, main \\(\\) at.*STOP.*" \ | |
113 | "continue to STOP marker" | |
114 | ||
115 | # Now check the value of this_version_id in all of | |
116 | # print-file-var-main.c, print-file-var-lib1.c and | |
117 | # print-file-var-lib2.c. | |
118 | ||
119 | # Compare the values of $sym1 and $sym2. | |
120 | proc compare {sym1 sym2} { | |
121 | with_test_prefix "sym1=$sym1,sym2=$sym2" { | |
122 | # Done this way instead of comparing the symbols with "print $sym1 | |
123 | # == sym2" in GDB directly so that the values of the symbols end | |
124 | # up visible in the logs, for debug purposes. | |
125 | set vsym1 [get_integer_valueof $sym1 -1] | |
126 | set vsym2 [get_integer_valueof $sym2 -1] | |
127 | gdb_assert {$vsym1 == $vsym2} "$sym1 == $sym2" | |
128 | } | |
129 | } | |
130 | ||
131 | if $version_id_main { | |
132 | compare "'print-file-var-main.c'::this_version_id" "vm" | |
133 | compare "this_version_id" "vm" | |
134 | } | |
135 | ||
136 | compare "'print-file-var-lib1.c'::this_version_id" "v1" | |
137 | compare "'print-file-var-lib2.c'::this_version_id" "v2" | |
64ea88dc | 138 | } |
64ea88dc | 139 | |
1d58d6a2 PA |
140 | # Only test C++ if we are able. Always use C. |
141 | if { [skip_cplus_tests] || [get_compiler_info "c++"] } { | |
142 | set lang_list {c} | |
143 | } else { | |
144 | set lang_list {c c++} | |
64ea88dc JB |
145 | } |
146 | ||
1d58d6a2 PA |
147 | foreach_with_prefix lang $lang_list { |
148 | foreach_with_prefix hidden {0 1} { | |
149 | foreach_with_prefix dlopen {0 1} { | |
150 | foreach_with_prefix version_id_main {0 1} { | |
151 | test $hidden $dlopen $version_id_main $lang | |
152 | } | |
153 | } | |
154 | } | |
155 | } |