summaryrefslogtreecommitdiff
path: root/gdb/testsuite/gdb.base/source-dir.exp
blob: 9941c1f64e604ea4ada29f004c2ae37bc5908b3b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
# Copyright 2014-2019 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

standard_testfile

# Take a list of directories DIRS, and return a regular expression
# that will match against the output of the 'directory' command
# assuming that DIRS are all of the directories that should appear in
# the results.
proc search_dir_list { dirs } {
    set output "\r\nSource directories searched: "
    append output [join $dirs "\[:;\]"]

    return ${output}
}

# Check that adding directories to the search path changes the order
# in which directories are searched.
proc test_changing_search_directory {} {
    gdb_start

    set foo "/nOtExStInG"

    gdb_test "directory $foo/a $foo/b $foo/c" \
	[search_dir_list [list \
			      "$foo/a" \
			      "$foo/b" \
			      "$foo/c" \
			      "\\\$cdir" \
			      "\\\$cwd"]]
    gdb_test "directory $foo/b $foo/d $foo/c" \
	[search_dir_list [list \
			      "$foo/b" \
			      "$foo/d" \
			      "$foo/c" \
			      "$foo/a" \
			      "\\\$cdir" \
			      "\\\$cwd"]]
    gdb_exit
}

# Test that the compilation directory can also be extended with a
# prefix from the directory search path in order to find source files.
proc test_truncated_comp_dir {} {
    global srcfile srcdir subdir binfile
    global decimal

    # When we run this test the current directory will be something
    # like this:
    #     /some/path/to/gdb/build/testsuite/
    # We are going to copy the source file out of the source tree into
    # a location like this:
    #     /some/path/to/gdb/build/testsuite/output/gdb.base/soure-dir/
    #
    # We will then switch to this directory and compile the source
    # file, however, we will ask GCC to remove this prefix from the
    # compilation directory in the debug info:
    #     /some/path/to/gdb/build/testsuite/output/
    #
    # As a result the debug information will look like this:
    #
    #     DW_AT_name        : source-dir.c
    #     DW_AT_comp_dir    : /gdb.base/source-dir
    #
    # Finally we switch back to this directory:
    #     /some/path/to/gdb/build/testsuite/
    #
    # and start GDB.  There was a time when GDB would be unable to
    # find the source file no matter what we added to the directory
    # search path, this should now be fixed.

    set original_dir [pwd]
    set working_dir [standard_output_file ""]
    cd ${working_dir}

    set strip_dir [file normalize "${working_dir}/../.."]

    set new_srcfile [standard_output_file ${srcfile}]
    set fd [open "$new_srcfile" w]
    puts $fd "int
    main ()
    {
      return 0;
    }"
    close $fd

    set options \
	"debug additional_flags=-fdebug-prefix-map=${strip_dir}="
    if  { [gdb_compile "${srcfile}" "${binfile}" \
	       executable ${options}] != "" } {
	untested "failed to compile"
	return -1
    }

    cd ${original_dir}

    clean_restart ${binfile}

    gdb_test_no_output "set directories \$cdir:\$cwd"
    gdb_test "show directories" \
	"\r\nSource directories searched: \\\$cdir\[:;\]\\\$cwd"

    if ![runto_main] then {
	fail "can't run to main"
	return 0
    }

    gdb_test "info source" \
    [multi_line \
	 "Current source file is ${srcfile}" \
	 "Compilation directory is \[^\n\r\]+" \
	 "Source language is c." \
	 "Producer is \[^\n\r\]+" \
	 "Compiled with DWARF $decimal debugging format." \
	 "Does not include preprocessor macro info." ] \
	"info source before setting directory search list"

    gdb_test "dir $strip_dir" \
	[search_dir_list [list \
			      "$strip_dir" \
			      "\\\$cdir" \
			      "\\\$cwd"]] \
	"setup source path search directory"
    gdb_test "list" [multi_line \
			 "1\[ \t\]+int" \
			 "2\[ \t\]+main \\(\\)" \
			 "3\[ \t\]+\\{" \
			 "4\[ \t\]+return 0;" \
			 "5\[ \t\]+\\}" ]

    gdb_test "info source" \
	[multi_line \
	     "Current source file is ${srcfile}" \
	     "Compilation directory is \[^\n\r\]+" \
	     "Located in ${new_srcfile}" \
	     "Contains 5 lines." \
	     "Source language is c." \
	     "Producer is \[^\n\r\]+" \
	     "\[^\n\r\]+" \
	     "\[^\n\r\]+" ] \
	"info source after setting directory search list"
}

test_changing_search_directory
test_truncated_comp_dir