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3a58abaf AM |
1 | https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=216711 |
2 | ||
3 | FIXME: This workaround should be dropped and | |
4 | glibc/sysdeps/unix/sysv/linux/x86_64/clone.S should get CFI for the child | |
5 | instead. | |
6 | ||
7 | 2006-12-17 Jan Kratochvil <jan.kratochvil@redhat.com> | |
8 | ||
9 | * gdb/amd64-linux-tdep.c (linux_clone_code): New variable. | |
10 | (LINUX_CLONE_LEN): New definition. | |
11 | (amd64_linux_clone_running, amd64_linux_outermost_frame): New function. | |
12 | (amd64_linux_init_abi): Initialize `outermost_frame_p'. | |
13 | * gdb/i386-tdep.c (i386_gdbarch_init): Likewise. | |
14 | * gdb/i386-tdep.h (gdbarch_tdep): Add `outermost_frame_p' member. | |
15 | * gdb/amd64-tdep.c (amd64_frame_this_id): Call `outermost_frame_p'. | |
16 | ||
17 | 2006-12-17 Jan Kratochvil <jan.kratochvil@redhat.com> | |
18 | ||
19 | * gdb.threads/bt-clone-stop.exp, gdb.threads/bt-clone-stop.c: | |
20 | New file. | |
21 | ||
22 | 2007-10-16 Jan Kratochvil <jan.kratochvil@redhat.com> | |
23 | ||
24 | Port to GDB-6.7. | |
25 | ||
3a58abaf | 26 | --- /dev/null 1970-01-01 00:00:00.000000000 +0000 |
7566401a | 27 | +++ gdb-6.8.50.20090802/gdb/testsuite/gdb.threads/bt-clone-stop.c 2009-08-03 15:50:08.000000000 +0200 |
3a58abaf AM |
28 | @@ -0,0 +1,39 @@ |
29 | +/* This testcase is part of GDB, the GNU debugger. | |
30 | + | |
31 | + Copyright 2006 Free Software Foundation, Inc. | |
32 | + | |
33 | + This program is free software; you can redistribute it and/or modify | |
34 | + it under the terms of the GNU General Public License as published by | |
35 | + the Free Software Foundation; either version 2 of the License, or | |
36 | + (at your option) any later version. | |
37 | + | |
38 | + This program is distributed in the hope that it will be useful, | |
39 | + but WITHOUT ANY WARRANTY; without even the implied warranty of | |
40 | + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
41 | + GNU General Public License for more details. | |
42 | + | |
43 | + You should have received a copy of the GNU General Public License | |
44 | + along with this program; if not, write to the Free Software | |
45 | + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | |
46 | + MA 02110-1301, USA. */ | |
47 | + | |
48 | + | |
49 | +#include <pthread.h> | |
50 | +#include <unistd.h> | |
51 | +#include <assert.h> | |
52 | + | |
53 | + | |
54 | +void *threader (void *arg) | |
55 | +{ | |
56 | + assert (0); | |
57 | + return NULL; | |
58 | +} | |
59 | + | |
60 | +int main (void) | |
61 | +{ | |
62 | + pthread_t t1; | |
63 | + | |
64 | + pthread_create (&t1, NULL, threader, (void *) NULL); | |
65 | + for (;;) | |
66 | + pause(); | |
67 | +} | |
7566401a | 68 | Index: gdb-6.8.50.20090802/gdb/testsuite/gdb.threads/bt-clone-stop.exp |
3a58abaf AM |
69 | =================================================================== |
70 | --- /dev/null 1970-01-01 00:00:00.000000000 +0000 | |
7566401a | 71 | +++ gdb-6.8.50.20090802/gdb/testsuite/gdb.threads/bt-clone-stop.exp 2009-08-03 15:50:08.000000000 +0200 |
3a58abaf AM |
72 | @@ -0,0 +1,61 @@ |
73 | +# Copyright 2006 Free Software Foundation, Inc. | |
74 | + | |
75 | +# This program is free software; you can redistribute it and/or modify | |
76 | +# it under the terms of the GNU General Public License as published by | |
77 | +# the Free Software Foundation; either version 2 of the License, or | |
78 | +# (at your option) any later version. | |
79 | +# | |
80 | +# This program is distributed in the hope that it will be useful, | |
81 | +# but WITHOUT ANY WARRANTY; without even the implied warranty of | |
82 | +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
83 | +# GNU General Public License for more details. | |
84 | +# | |
85 | +# You should have received a copy of the GNU General Public License | |
86 | +# along with this program; if not, write to the Free Software | |
87 | +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
88 | + | |
89 | +# Backtraced `clone' must not have `PC == 0' as its previous frame. | |
90 | + | |
91 | +if $tracelevel then { | |
92 | + strace $tracelevel | |
93 | +} | |
94 | + | |
95 | +set testfile bt-clone-stop | |
96 | +set srcfile ${testfile}.c | |
97 | +set binfile ${objdir}/${subdir}/${testfile} | |
98 | +if { [gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { | |
99 | + untested "Couldn't compile test program" | |
100 | + return -1 | |
101 | +} | |
102 | + | |
103 | +# Get things started. | |
104 | + | |
105 | +gdb_exit | |
106 | +gdb_start | |
107 | +gdb_reinitialize_dir $srcdir/$subdir | |
108 | +gdb_load ${binfile} | |
109 | + | |
110 | +# threader: threader.c:8: threader: Assertion `0' failed. | |
111 | +# Program received signal SIGABRT, Aborted. | |
112 | + | |
113 | +gdb_test "run" \ | |
114 | + "Program received signal SIGABRT.*" \ | |
115 | + "run" | |
116 | + | |
117 | +# Former gdb unwind (the first function is `clone'): | |
118 | +# #5 0x0000003421ecd62d in ?? () from /lib64/libc.so.6 | |
119 | +# #6 0x0000000000000000 in ?? () | |
120 | +# (gdb) | |
121 | +# Tested `amd64_linux_outermost_frame' functionality should omit the line `#6'. | |
122 | +# | |
123 | +# Two `-re' cases below must be in this order (1st is a subset of the 2nd one). | |
124 | +# Unhandled case below should not happen and it is fortunately handled by | |
125 | +# `amd64_linux_outermost_frame' as FAIL (and result `0x0 entry output invalid'). | |
126 | +gdb_test_multiple "bt" "0x0 entry output invalid" { | |
127 | + -re "in threader \\(.*\n#\[0-9\]* *0x0* in .*$gdb_prompt $" { | |
128 | + fail "0x0 entry found" | |
129 | + } | |
130 | + -re "in threader \\(.*$gdb_prompt $" { | |
131 | + pass "0x0 entry not found" | |
132 | + } | |
133 | +} |