1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
# Copyright 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This test can only be run on targets which support DWARF-2 and use gas.
# For now pick a sampling of likely targets.
load_lib mi-support.exp
set MIFLAGS "-i=mi"
if {![istarget *-*-linux*]
&& ![istarget *-*-gnu*]
&& ![istarget *-*-elf*]
&& ![istarget *-*-openbsd*]
&& ![istarget arm-*-eabi*]
&& ![istarget powerpc-*-eabi*]} {
return 0
}
set testfile "dw2-ref-missing-frame"
set srcsfile ${testfile}.S
set objsfile ${objdir}/${subdir}/${testfile}.o
set srcfuncfile ${testfile}-func.c
set objfuncfile ${objdir}/${subdir}/${testfile}-func.o
set srcmainfile ${testfile}-main.c
set objmainfile ${objdir}/${subdir}/${testfile}-main.o
set executable ${testfile}
set binfile ${objdir}/${subdir}/${executable}
if { [gdb_compile "${srcdir}/${subdir}/${srcsfile}" $objsfile object {}] != ""
|| [gdb_compile "${srcdir}/${subdir}/${srcfuncfile}" $objfuncfile object {}] != ""
|| [gdb_compile "${srcdir}/${subdir}/${srcmainfile}" $objmainfile object {debug}] != ""
|| [gdb_compile "$objsfile $objfuncfile $objmainfile" $binfile executable {}] != "" } {
return -1
}
if [mi_gdb_start] {
continue
}
mi_delete_breakpoints
mi_gdb_reinitialize_dir $srcdir/$subdir
mi_gdb_load ${binfile}
if [mi_runto func_nofb_marker] {
# First try referencing DW_AT_frame_base which is not defined.
mi_gdb_test "300-stack-list-locals --thread 1 --frame 1 --all-values" \
"300\\^done,locals=\\\[\{name=\"func_nofb_var\",value=\"\\\<error reading variable: Could not find the frame base for \\\\\"func_nofb\\\\\"\\\.\\\>\"\},\{name=\"func_nofb_var2\",value=\"\\\<error reading variable: Could not find the frame base for \\\\\"func_nofb\\\\\"\\\.\\\>\"\}\\\].*" \
"test func_nofb_marker"
}
# GDB could have crashed.
mi_gdb_exit
if [mi_gdb_start] {
continue
}
mi_delete_breakpoints
mi_gdb_reinitialize_dir $srcdir/$subdir
mi_gdb_load ${binfile}
# And now try referencing DW_AT_frame_base defined using a self-reference
# (DW_OP_fbreg).
if [mi_runto func_loopfb_marker] {
mi_gdb_test "301-stack-list-locals --thread 1 --frame 1 --all-values" \
"301\\^done,locals=\\\[\{name=\"func_loopfb_var\",value=\"\\\<error reading variable: DWARF-2 expression error: Loop detected.*\"\},\{name=\"func_loopfb_var2\",value=\"\\\<error reading variable: DWARF-2 expression error: Loop detected.*\"\}\\\]" \
"test func_loopfb_var"
}
|
