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f0323c2f ILT |
1 | #!/bin/sh |
2 | ||
3 | # debug_msg.sh -- a test case for printing debug info for missing symbols. | |
4 | ||
ebdbb458 | 5 | # Copyright 2006, 2007, 2008 Free Software Foundation, Inc. |
f0323c2f ILT |
6 | # Written by Ian Lance Taylor <iant@google.com>. |
7 | ||
8 | # This file is part of gold. | |
9 | ||
10 | # This program is free software; you can redistribute it and/or modify | |
11 | # it under the terms of the GNU General Public License as published by | |
12 | # the Free Software Foundation; either version 3 of the License, or | |
13 | # (at your option) any later version. | |
14 | ||
15 | # This program is distributed in the hope that it will be useful, | |
16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | # GNU General Public License for more details. | |
19 | ||
20 | # You should have received a copy of the GNU General Public License | |
21 | # along with this program; if not, write to the Free Software | |
22 | # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
23 | # MA 02110-1301, USA. | |
24 | ||
25 | # This file goes with debug_msg.cc, a C++ source file constructed to | |
26 | # have undefined references. We compile that file with debug | |
27 | # information and then try to link it, and make sure the proper errors | |
28 | # are displayed. The errors will be found in debug_msg.err. | |
29 | ||
30 | check() | |
31 | { | |
79e052ea | 32 | if ! grep -q "$2" "$1" |
f0323c2f | 33 | then |
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34 | echo "Did not find expected error in $1:" |
35 | echo " $2" | |
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36 | echo "" |
37 | echo "Actual error output below:" | |
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38 | cat "$1" |
39 | exit 1 | |
40 | fi | |
41 | } | |
42 | ||
43 | check_missing() | |
44 | { | |
45 | if grep -q "$2" "$1" | |
46 | then | |
47 | echo "Found unexpected error in $1:" | |
48 | echo " $2" | |
49 | echo "" | |
50 | echo "Actual error output below:" | |
51 | cat "$1" | |
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52 | exit 1 |
53 | fi | |
54 | } | |
55 | ||
56 | # We don't know how the compiler might order these variables, so we | |
57 | # can't test for the actual offset from .data, hence the regexp. | |
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58 | check debug_msg.err "debug_msg.o: in function fn_array:debug_msg.cc(.data+0x[0-9a-fA-F]*): error: undefined reference to 'undef_fn1()'" |
59 | check debug_msg.err "debug_msg.o: in function fn_array:debug_msg.cc(.data+0x[0-9a-fA-F]*): error: undefined reference to 'undef_fn2()'" | |
60 | check debug_msg.err "debug_msg.o: in function badref1:debug_msg.cc(.data+0x[0-9a-fA-F]*): error: undefined reference to 'undef_int'" | |
79e052ea | 61 | |
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62 | # These tests check only for the source file's file name (not the complete |
63 | # path) because use of -fdebug-prefix-map may change the path to the source | |
64 | # file recorded in the objects. | |
65 | check debug_msg.err "debug_msg.o: in function Base::virtfn():.*/debug_msg.cc:50: error: undefined reference to 'undef_fn1()'" | |
66 | check debug_msg.err "debug_msg.o: in function Derived::virtfn():.*/debug_msg.cc:55: error: undefined reference to 'undef_fn2()'" | |
67 | check debug_msg.err "debug_msg.o: in function int testfn<int>(int):.*/debug_msg.cc:43: error: undefined reference to 'undef_fn1()'" | |
68 | check debug_msg.err "debug_msg.o: in function int testfn<int>(int):.*/debug_msg.cc:44: error: undefined reference to 'undef_fn2()'" | |
c3e4ae29 | 69 | check debug_msg.err "debug_msg.o: in function int testfn<int>(int):.*/debug_msg.cc:.*: error: undefined reference to 'undef_int'" |
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70 | check debug_msg.err "debug_msg.o: in function int testfn<double>(double):.*/debug_msg.cc:43: error: undefined reference to 'undef_fn1()'" |
71 | check debug_msg.err "debug_msg.o: in function int testfn<double>(double):.*/debug_msg.cc:44: error: undefined reference to 'undef_fn2()'" | |
c3e4ae29 | 72 | check debug_msg.err "debug_msg.o: in function int testfn<double>(double):.*/debug_msg.cc:.*: error: undefined reference to 'undef_int'" |
f0323c2f | 73 | |
a55ce7fe | 74 | # Check we detected the ODR (One Definition Rule) violation. |
79e052ea | 75 | check debug_msg.err ": symbol 'Ordering::operator()(int, int)' defined in multiple places (possible ODR violation):" |
71ff8986 | 76 | check debug_msg.err "odr_violation1.cc:6" |
ed16fd1b | 77 | check debug_msg.err "odr_violation2.cc:12" |
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78 | |
79 | # Check we don't have ODR false positives: | |
80 | check_missing debug_msg.err "OdrDerived::~OdrDerived()" | |
81 | check_missing debug_msg.err "__adjust_heap" | |
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82 | # We block ODR detection for combinations of C weak and strong |
83 | # symbols, to allow people to use the linker to override things. We | |
84 | # still flag it for C++ symbols since those are more likely to be | |
85 | # unintentional. | |
86 | check_missing debug_msg.err ": symbol 'OverriddenCFunction' defined in multiple places (possible ODR violation):" | |
71ff8986 | 87 | check_missing debug_msg.err "odr_violation1.cc:16" |
ed16fd1b | 88 | check_missing debug_msg.err "odr_violation2.cc:23" |
9691462b | 89 | check debug_msg.err ": symbol 'SometimesInlineFunction(int)' defined in multiple places (possible ODR violation):" |
71ff8986 | 90 | check debug_msg.err "debug_msg.cc:68" |
ed16fd1b | 91 | check debug_msg.err "odr_violation2.cc:27" |
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92 | |
93 | # When linking together .so's, we don't catch the line numbers, but we | |
94 | # still find all the undefined variables, and the ODR violation. | |
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95 | check debug_msg_so.err "debug_msg.so: error: undefined reference to 'undef_fn1()'" |
96 | check debug_msg_so.err "debug_msg.so: error: undefined reference to 'undef_fn2()'" | |
97 | check debug_msg_so.err "debug_msg.so: error: undefined reference to 'undef_int'" | |
79e052ea | 98 | check debug_msg_so.err ": symbol 'Ordering::operator()(int, int)' defined in multiple places (possible ODR violation):" |
71ff8986 | 99 | check debug_msg_so.err "odr_violation1.cc:6" |
ed16fd1b | 100 | check debug_msg_so.err "odr_violation2.cc:12" |
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101 | check_missing debug_msg.err "OdrDerived::~OdrDerived()" |
102 | check_missing debug_msg.err "__adjust_heap" | |
9691462b | 103 | check_missing debug_msg.err ": symbol 'OverriddenCFunction' defined in multiple places (possible ODR violation):" |
71ff8986 | 104 | check_missing debug_msg.err "odr_violation1.cc:16" |
ed16fd1b | 105 | check_missing debug_msg.err "odr_violation2.cc:23" |
9691462b | 106 | check debug_msg.err ": symbol 'SometimesInlineFunction(int)' defined in multiple places (possible ODR violation):" |
71ff8986 | 107 | check debug_msg.err "debug_msg.cc:68" |
ed16fd1b | 108 | check debug_msg.err "odr_violation2.cc:27" |
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109 | |
110 | # These messages shouldn't need any debug info to detect: | |
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111 | check debug_msg_ndebug.err "debug_msg_ndebug.so: error: undefined reference to 'undef_fn1()'" |
112 | check debug_msg_ndebug.err "debug_msg_ndebug.so: error: undefined reference to 'undef_fn2()'" | |
113 | check debug_msg_ndebug.err "debug_msg_ndebug.so: error: undefined reference to 'undef_int'" | |
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114 | # However, we shouldn't detect or declare any ODR violation |
115 | check_missing debug_msg_ndebug.err "(possible ODR violation)" | |
a55ce7fe | 116 | |
f0323c2f | 117 | exit 0 |