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1 | --- /dev/null 2009-09-25 12:44:54.497650251 +0200 |
2 | +++ ./gdb/testsuite/gdb.threads/simultaneous-step-resume-breakpoint.exp 2009-09-25 17:27:12.000000000 +0200 | |
3 | @@ -0,0 +1,65 @@ | |
4 | +# Copyright (C) 2009 Free Software Foundation, Inc. | |
5 | + | |
6 | +# This program is free software; you can redistribute it and/or modify | |
7 | +# it under the terms of the GNU General Public License as published by | |
8 | +# the Free Software Foundation; either version 3 of the License, or | |
9 | +# (at your option) any later version. | |
10 | +# | |
11 | +# This program is distributed in the hope that it will be useful, | |
12 | +# but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | +# GNU General Public License for more details. | |
15 | +# | |
16 | +# You should have received a copy of the GNU General Public License | |
17 | +# along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
18 | + | |
19 | +# Test multiple threads stepping into a .debug_line-less function with | |
20 | +# a breakpoint placed on its return-to-caller point. | |
21 | + | |
22 | +set testfile simultaneous-step-resume-breakpoint | |
23 | +set srcfile ${testfile}.c | |
24 | +set binfile ${objdir}/${subdir}/${testfile} | |
25 | + | |
26 | +if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { | |
27 | + return -1 | |
28 | +} | |
29 | + | |
30 | +gdb_exit | |
31 | +gdb_start | |
32 | +gdb_reinitialize_dir $srcdir/$subdir | |
33 | + | |
34 | +# Ensure we have no debuginfo for the `sleep' call itself (=for libc). | |
35 | +gdb_test "set debug-file-directory /DoesNotExist" | |
36 | + | |
37 | +gdb_load ${binfile} | |
38 | +if ![runto_main] { | |
39 | + return -1 | |
40 | +} | |
41 | + | |
42 | +# Red Hat vendor patch does set it to "step" by default. | |
43 | +gdb_test "set scheduler-locking off" | |
44 | + | |
45 | +gdb_breakpoint [gdb_get_line_number "final-exit"] | |
46 | + | |
47 | +gdb_breakpoint [gdb_get_line_number "sleep-call"] | |
48 | +gdb_continue_to_breakpoint "sleep-call" | |
49 | + | |
50 | +gdb_test "step" "sleep-call.*" "step thread 1" | |
51 | +gdb_test "step" "sleep-call.*" "step thread 2" | |
52 | +gdb_test "step" "sleep-after.*" "step thread 3" | |
53 | + | |
54 | +set test "first continue" | |
55 | +gdb_test_multiple "continue" $test { | |
56 | + -re "final-exit.*$gdb_prompt $" { | |
57 | + # gdb-7.0. | |
58 | + pass $test | |
59 | + return | |
60 | + } | |
61 | + -re "sleep-after.*$gdb_prompt $" { | |
62 | + # Fedora/RHEL branch. | |
63 | + pass $test | |
64 | + } | |
65 | +} | |
66 | + | |
67 | +gdb_test "continue" "sleep-after.*" "second continue" | |
68 | +gdb_test "continue" "final-exit.*" "third continue" | |
69 | --- /dev/null 2009-09-25 12:44:54.497650251 +0200 | |
70 | +++ ./gdb/testsuite/gdb.threads/simultaneous-step-resume-breakpoint.c 2009-09-25 17:29:42.000000000 +0200 | |
71 | @@ -0,0 +1,79 @@ | |
72 | +/* Copyright 2009 Free Software Foundation, Inc. | |
73 | + | |
74 | + Written by Fred Fish of Cygnus Support | |
75 | + Contributed by Cygnus Support | |
76 | + | |
77 | + This file is part of GDB. | |
78 | + | |
79 | + This program is free software; you can redistribute it and/or modify | |
80 | + it under the terms of the GNU General Public License as published by | |
81 | + the Free Software Foundation; either version 3 of the License, or | |
82 | + (at your option) any later version. | |
83 | + | |
84 | + This program is distributed in the hope that it will be useful, | |
85 | + but WITHOUT ANY WARRANTY; without even the implied warranty of | |
86 | + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
87 | + GNU General Public License for more details. | |
88 | + | |
89 | + You should have received a copy of the GNU General Public License | |
90 | + along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
91 | + | |
92 | +/* Test multiple threads stepping into a .debug_line-less function with | |
93 | + a breakpoint placed on its return-to-caller point. */ | |
94 | + | |
95 | +#include <pthread.h> | |
96 | +#include <assert.h> | |
97 | +#include <unistd.h> | |
98 | +#include <errno.h> | |
99 | +#include <stdio.h> | |
100 | + | |
101 | +#define THREADS 3 | |
102 | + | |
103 | +static void * | |
104 | +func (void *unused) | |
105 | +{ | |
106 | + int i; | |
107 | + | |
108 | + errno = 0; | |
109 | + i = 0xdeadf00d; | |
110 | + i = sleep (THREADS); /* sleep-call */ | |
111 | + if (errno != 0) /* sleep-after */ | |
112 | + perror ("sleep"); | |
113 | + | |
114 | + /* The GDB bug with forgotten step-resume breakpoint could leave stale | |
115 | + breakpoint on the I assignment making it a nop. */ | |
116 | + if (i == 0xdeadf00d) | |
117 | + assert (0); | |
118 | + | |
119 | + assert (i == 0); | |
120 | + | |
121 | + pthread_exit (NULL); | |
122 | +} | |
123 | + | |
124 | +int | |
125 | +main (void) | |
126 | +{ | |
127 | + pthread_t threads[THREADS]; | |
128 | + int threadi; | |
129 | + | |
130 | + for (threadi = 0; threadi < THREADS; threadi++) | |
131 | + { | |
132 | + int i; | |
133 | + | |
134 | + i = pthread_create (&threads[threadi], NULL, func, NULL); | |
135 | + assert (i == 0); | |
136 | + | |
137 | + i = sleep (1); | |
138 | + assert (i == 0); | |
139 | + } | |
140 | + | |
141 | + for (threadi = 0; threadi < THREADS; threadi++) | |
142 | + { | |
143 | + int i; | |
144 | + | |
145 | + i = pthread_join (threads[threadi], NULL); | |
146 | + assert (i == 0); | |
147 | + } | |
148 | + | |
149 | + return 0; /* final-exit */ | |
150 | +} |