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Commit | Line | Data |
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5a03b7c3 MT |
1 | New testcase for: |
2 | https://bugzilla.redhat.com/show_bug.cgi?id=466222 | |
3 | (for the first / customer recommended fix) | |
4 | and the upstream fix: | |
5 | http://sourceware.org/ml/gdb-patches/2006-11/msg00253.html | |
6 | [rfc] Do not make up line information | |
7 | http://sourceware.org/ml/gdb-cvs/2006-11/msg00127.html | |
8 | ||
9 | --- /dev/null | |
10 | +++ b/gdb/testsuite/gdb.base/lineno-makeup-func.c | |
11 | @@ -0,0 +1,21 @@ | |
12 | +/* This testcase is part of GDB, the GNU debugger. | |
13 | + | |
14 | + Copyright 2009 Free Software Foundation, Inc. | |
15 | + | |
16 | + This program is free software; you can redistribute it and/or modify | |
17 | + it under the terms of the GNU General Public License as published by | |
18 | + the Free Software Foundation; either version 3 of the License, or | |
19 | + (at your option) any later version. | |
20 | + | |
21 | + This program is distributed in the hope that it will be useful, | |
22 | + but WITHOUT ANY WARRANTY; without even the implied warranty of | |
23 | + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
24 | + GNU General Public License for more details. | |
25 | + | |
26 | + You should have received a copy of the GNU General Public License | |
27 | + along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
28 | + | |
29 | +void | |
30 | +func (void) | |
31 | +{ | |
32 | +} | |
33 | --- /dev/null | |
34 | +++ b/gdb/testsuite/gdb.base/lineno-makeup.c | |
35 | @@ -0,0 +1,35 @@ | |
36 | +/* This testcase is part of GDB, the GNU debugger. | |
37 | + | |
38 | + Copyright 2009 Free Software Foundation, Inc. | |
39 | + | |
40 | + This program is free software; you can redistribute it and/or modify | |
41 | + it under the terms of the GNU General Public License as published by | |
42 | + the Free Software Foundation; either version 3 of the License, or | |
43 | + (at your option) any later version. | |
44 | + | |
45 | + This program is distributed in the hope that it will be useful, | |
46 | + but WITHOUT ANY WARRANTY; without even the implied warranty of | |
47 | + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
48 | + GNU General Public License for more details. | |
49 | + | |
50 | + You should have received a copy of the GNU General Public License | |
51 | + along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
52 | + | |
53 | +/* DW_AT_low_pc-DW_AT_high_pc should cover the function without line number | |
54 | + information (.debug_line) so we cannot use an external object file. | |
55 | + | |
56 | + It must not be just a label as it would alias on the next function even for | |
57 | + correct GDB. Therefore some stub data must be placed there. | |
58 | + | |
59 | + We need to provide a real stub function body as at least s390 | |
60 | + (s390_analyze_prologue) would skip the whole body till reaching `main'. */ | |
61 | + | |
62 | +extern void func (void); | |
63 | +asm ("func: .incbin \"gdb.base/lineno-makeup-func.bin\""); | |
64 | + | |
65 | +int | |
66 | +main (void) | |
67 | +{ | |
68 | + func (); | |
69 | + return 0; | |
70 | +} | |
71 | --- /dev/null | |
72 | +++ b/gdb/testsuite/gdb.base/lineno-makeup.exp | |
73 | @@ -0,0 +1,78 @@ | |
74 | +# Copyright 2009 Free Software Foundation, Inc. | |
75 | + | |
76 | +# This program is free software; you can redistribute it and/or modify | |
77 | +# it under the terms of the GNU General Public License as published by | |
78 | +# the Free Software Foundation; either version 3 of the License, or | |
79 | +# (at your option) any later version. | |
80 | +# | |
81 | +# This program is distributed in the hope that it will be useful, | |
82 | +# but WITHOUT ANY WARRANTY; without even the implied warranty of | |
83 | +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
84 | +# GNU General Public License for more details. | |
85 | +# | |
86 | +# You should have received a copy of the GNU General Public License | |
87 | +# along with this program. If not, see <http://www.gnu.org/licenses/>. | |
88 | + | |
89 | +set testfile "lineno-makeup" | |
90 | +set srcfuncfile ${testfile}-func.c | |
91 | +set srcfile ${testfile}.c | |
92 | +set objfuncfile ${objdir}/${subdir}/${testfile}-func.o | |
93 | +set binfuncfile ${objdir}/${subdir}/${testfile}-func.bin | |
94 | +set binfile ${objdir}/${subdir}/${testfile} | |
95 | + | |
96 | +if { [gdb_compile "${srcdir}/${subdir}/${srcfuncfile}" "${objfuncfile}" object {}] != "" } { | |
97 | + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." | |
98 | +} | |
99 | + | |
100 | +set objcopy [catch "exec objcopy -O binary --only-section .text ${objfuncfile} ${binfuncfile}" output] | |
101 | +verbose -log "objcopy=$objcopy: $output" | |
102 | +if { $objcopy != 0 } { | |
103 | + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." | |
104 | +} | |
105 | +set binfuncfilesize [file size $binfuncfile] | |
106 | +verbose -log "file size $binfuncfile = $binfuncfilesize" | |
107 | + | |
108 | +if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { | |
109 | + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." | |
110 | +} | |
111 | + | |
112 | +gdb_exit | |
113 | +gdb_start | |
114 | +gdb_reinitialize_dir $srcdir/$subdir | |
115 | +gdb_load ${binfile} | |
116 | + | |
117 | +set b_addr "" | |
118 | +set test "break func" | |
119 | +gdb_test_multiple $test $test { | |
120 | + -re "Breakpoint \[0-9\]+ at (0x\[0-9a-f\]+)\r\n$gdb_prompt $" { | |
121 | + set b_addr $expect_out(1,string) | |
122 | + pass $test | |
123 | + } | |
124 | + -re "Breakpoint \[0-9\]+ at (0x\[0-9a-f\]+): .*\r\n$gdb_prompt $" { | |
125 | + set b_addr $expect_out(1,string) | |
126 | + fail $test | |
127 | + } | |
128 | +} | |
129 | +verbose -log "b_addr=<$b_addr>" | |
130 | + | |
131 | +set p_addr "" | |
132 | +set test "print func" | |
133 | +gdb_test_multiple $test $test { | |
134 | + -re "\\$\[0-9\]+ = {<text variable, no debug info>} (0x\[0-9a-f\]+) <func>\r\n$gdb_prompt $" { | |
135 | + set p_addr $expect_out(1,string) | |
136 | + pass $test | |
137 | + } | |
138 | +} | |
139 | +verbose -log "p_addr=<$p_addr>" | |
140 | + | |
141 | +set test "break address belongs to func" | |
142 | +if {$b_addr == $p_addr} { | |
143 | + pass "$test (exact match)" | |
144 | +} else { | |
145 | + set skip [expr $b_addr - $p_addr] | |
146 | + if {$skip > 0 && $skip < $binfuncfilesize} { | |
147 | + pass "$test (prologue skip by $skip bytes)" | |
148 | + } else { | |
149 | + fail $test | |
150 | + } | |
151 | +} |