]>
Commit | Line | Data |
---|---|---|
6aba47ca | 1 | # Copyright 2004, 2007 Free Software Foundation, Inc. |
44f4de1a AC |
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 2 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, write to the Free Software | |
15 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
16 | ||
17 | ||
18 | # The program sigaltstack.c creates a backtrace containing nested | |
19 | # signal handlers on an alternative stack. This in turn leads to a | |
20 | # non-contiguous (and possibly non-monotonic) backtrace - stack | |
21 | # address jump at the normal-alt stack boundary. | |
22 | ||
23 | # This test confirms that GDB can both backtrace through and finish | |
24 | # such a stack. | |
25 | ||
26 | if [target_info exists gdb,nosignals] { | |
27 | verbose "Skipping signals.exp because of nosignals." | |
28 | continue | |
29 | } | |
30 | ||
31 | if $tracelevel then { | |
32 | strace $tracelevel | |
33 | } | |
34 | ||
35 | set prms_id 0 | |
36 | set bug_id 0 | |
37 | ||
38 | set testfile sigaltstack | |
39 | set srcfile ${testfile}.c | |
40 | set binfile ${objdir}/${subdir}/${testfile} | |
41 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { | |
42 | untested "Couldn't compile ${module}.c" | |
43 | return -1 | |
44 | } | |
45 | ||
46 | # get things started | |
47 | gdb_exit | |
48 | gdb_start | |
49 | gdb_reinitialize_dir $srcdir/$subdir | |
50 | gdb_load ${binfile} | |
51 | ||
52 | # Pass all the alarms straight through (but verbosely) | |
53 | gdb_test "handle SIGALRM print pass nostop" | |
54 | gdb_test "handle SIGVTALRM print pass nostop" | |
55 | gdb_test "handle SIGPROF print pass nostop" | |
56 | ||
57 | # Advance to main | |
58 | if { ![runto_main] } then { | |
59 | gdb_suppress_tests; | |
60 | } | |
61 | ||
62 | # Stop in handle, when at the inner most level | |
63 | gdb_test "break catcher if level == INNER" | |
64 | gdb_test "continue" ".* catcher .*" "continue to catch" | |
65 | # step off the assignment | |
66 | gdb_test "next" | |
67 | ||
68 | # Full backtrace? | |
69 | send_gdb "bt\n" | |
70 | gdb_expect_list "backtrace" ".*$gdb_prompt $" { | |
71 | "\[\r\n\]+.0 \[^\r\n\]* catcher " | |
72 | "\[\r\n\]+.1 .signal handler called." | |
73 | "\[\r\n\]+.2 \[^\r\n\]* thrower .next_level=INNER" | |
74 | "\[\r\n\]+.3 \[^\r\n\]* catcher " | |
75 | "\[\r\n\]+.4 .signal handler called." | |
76 | "\[\r\n\]+.5 \[^\r\n\]* thrower .next_level=OUTER" | |
77 | "\[\r\n\]+.6 \[^\r\n\]* catcher " | |
78 | "\[\r\n\]+.7 \[^\r\n\]* main .*" | |
79 | } | |
80 | ||
d2f6abb0 | 81 | proc finish_test { pattern msg } { |
04f6ecf2 DJ |
82 | global gdb_prompt |
83 | ||
d2f6abb0 | 84 | gdb_test_multiple "finish" $msg { |
04f6ecf2 | 85 | -re "Cannot insert breakpoint 0.*${gdb_prompt} $" { |
d2f6abb0 DJ |
86 | # Some platforms use a special read-only page for signal |
87 | # trampolines. We can't set a breakpoint there, and we | |
88 | # don't gracefully fall back to single-stepping. | |
89 | setup_kfail "i?86-*-linux*" gdb/1736 | |
598b7a6f | 90 | setup_kfail "*-*-openbsd*" gdb/1736 |
d2f6abb0 DJ |
91 | fail "$msg (could not set breakpoint)" |
92 | } | |
6a89fc9c | 93 | -re "$pattern.*${gdb_prompt} $" { |
d2f6abb0 DJ |
94 | pass $msg |
95 | } | |
96 | } | |
97 | } | |
98 | ||
44f4de1a | 99 | # Finish? |
d2f6abb0 DJ |
100 | finish_test "signal handler called." "finish from catch LEAF" |
101 | finish_test "thrower .next_level=INNER, .*" "finish to throw INNER" | |
102 | finish_test "catcher .*" "finish to catch INNER" | |
103 | finish_test "signal handler called.*" "finish from catch INNER" | |
104 | finish_test "thrower .next_level=OUTER, .*" "finish to OUTER" | |
105 | finish_test "catcher .*" "finish to catch MAIN" | |
106 | finish_test "main .*" "finish to MAIN" |