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e7802207 TT |
1 | # Copyright 2009 Free Software Foundation, Inc. |
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 3 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, see <http://www.gnu.org/licenses/>. | |
15 | ||
16 | # Test DW_OP_call_frame_cfa. | |
17 | ||
18 | # This test can only be run on targets which support DWARF-2 and use gas. | |
19 | # For now pick a sampling of likely targets. | |
20 | if {![istarget *-*-linux*] | |
21 | && ![istarget *-*-gnu*] | |
22 | && ![istarget *-*-elf*] | |
23 | && ![istarget *-*-openbsd*] | |
24 | && ![istarget arm-*-eabi*] | |
25 | && ![istarget powerpc-*-eabi*]} { | |
26 | return 0 | |
27 | } | |
28 | # This test can only be run on x86 targets. | |
29 | if {![istarget i?86-*]} { | |
30 | return 0 | |
31 | } | |
32 | ||
33 | set testfile "callframecfa" | |
34 | set srcfile ${testfile}.S | |
35 | set binfile ${objdir}/${subdir}/${testfile}.x | |
36 | ||
37 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable \ | |
38 | [list {additional_flags=-nostdlib}]] != "" } { | |
39 | return -1 | |
40 | } | |
41 | ||
42 | gdb_exit | |
43 | gdb_start | |
44 | gdb_reinitialize_dir $srcdir/$subdir | |
45 | gdb_load ${binfile} | |
46 | ||
47 | gdb_test "break *func" "Breakpoint 1.*" "set breakpoint for call-frame-cfa" | |
48 | gdb_test "run" "" "run for call-frame-cfa" | |
49 | gdb_test "display arg" "arg = 77" "set display for call-frame-cfa" | |
50 | ||
51 | # We know how many instructions are in the function. Note that we | |
52 | # can't handle the "ret" instruction due to the epilogue unwinder. | |
53 | for {set i 1} {$i < 5} {incr i} { | |
54 | gdb_test "si" "arg = 77" "step $i for call-frame-cfa" | |
55 | } |