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1d506c26 | 1 | # Copyright 2013-2024 Free Software Foundation, Inc. |
691a26f5 AB |
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 | load_lib dwarf.exp | |
16 | ||
17 | # This test can only be run on targets which support DWARF-2 and use gas. | |
ce8d533e | 18 | require dwarf2_support |
691a26f5 AB |
19 | |
20 | # This test can only be run on x86_64 targets. | |
4fe960e8 | 21 | require is_x86_64_m64_target |
691a26f5 AB |
22 | |
23 | standard_testfile .S | |
24 | ||
ea946b86 | 25 | if { [prepare_for_testing "failed to prepare" $testfile $srcfile {nodebug nopie}] } { |
691a26f5 AB |
26 | return -1 |
27 | } | |
28 | ||
29 | if ![runto stop_frame] { | |
30 | perror "Failed to stop in stop_frame" | |
31 | return -1 | |
32 | } | |
33 | ||
34 | gdb_test "bt" "#0 (0x\[0-9a-f\]+ in )?stop_frame \[^\r\n\]*\r\n#1 \[^\r\n\]*first_frame \[^\r\n\]*\r\n#2 \[^\r\n\]*main\[^\r\n\]*" \ | |
35 | "backtrace from stop_frame" | |
36 | ||
691a26f5 AB |
37 | for {set f 0} {$f < 3} {incr f} { |
38 | if {${f} == 0} { | |
e4c6a2c4 AB |
39 | set pattern_rax_rbx_rcx_print "$hex" |
40 | set pattern_rax_rbx_rcx_info "$hex\\s+$decimal" | |
41 | set pattern_r8_r9_print "$hex" | |
42 | set pattern_r8_r9_info "$hex\\s+$decimal" | |
691a26f5 | 43 | } else { |
901461f8 PA |
44 | set pattern_rax_rbx_rcx_print "<not saved>" |
45 | set pattern_rax_rbx_rcx_info "<not saved>" | |
e4c6a2c4 AB |
46 | set pattern_r8_r9_print "$hex" |
47 | set pattern_r8_r9_info "$hex\\s+$decimal" | |
691a26f5 AB |
48 | } |
49 | ||
50 | # Select frame. | |
cdc7edd7 | 51 | gdb_test "frame ${f}" "#${f}.*" "switch to frame ${f}" |
691a26f5 | 52 | |
e4c6a2c4 AB |
53 | gdb_test "p/x \$rax" ".*$pattern_rax_rbx_rcx_print.*" \ |
54 | "print \$rax in frame ${f}" | |
55 | gdb_test "p/x \$rbx" "$pattern_rax_rbx_rcx_print" \ | |
56 | "print \$rbx in frame ${f}" | |
57 | gdb_test "p/x \$rcx" "$pattern_rax_rbx_rcx_print" \ | |
58 | "print \$rcx in frame ${f}" | |
59 | ||
60 | gdb_test "p/x \$r8" "$pattern_r8_r9_print" "print \$r8 in frame ${f}" | |
61 | gdb_test "p/x \$r9" "$pattern_r8_r9_print" "print \$r9 in frame ${f}" | |
62 | ||
63 | ||
691a26f5 | 64 | # Display register values. |
48b076bb SM |
65 | gdb_test "info registers rax rbx rcx r8 r9" \ |
66 | [multi_line "rax\\s+${pattern_rax_rbx_rcx_info}\\s*" \ | |
67 | "rbx\\s+${pattern_rax_rbx_rcx_info}\\s*" \ | |
68 | "rcx\\s+${pattern_rax_rbx_rcx_info}\\s*" \ | |
69 | "r8\\s+${pattern_r8_r9_info}\\s*" \ | |
70 | "r9\\s+${pattern_r8_r9_info}\\s*"] \ | |
691a26f5 AB |
71 | "Check values of rax, rbx, rcx, r8, r9 in frame ${f}" |
72 | } | |
8efaf6b3 SM |
73 | |
74 | # Test that the debug log statement in frame_unwind_register_value produces | |
f3bd50f1 | 75 | # "not saved" and not "optimized out". |
8efaf6b3 | 76 | gdb_test "set debug frame 1" |
a05a883f | 77 | gdb_test {print $rax} [multi_line \ |
fe67a58f SM |
78 | { \[frame\] frame_unwind_register_value: frame=0, regnum=0\(rax\)} \ |
79 | { \[frame\] frame_unwind_register_value: -> <not saved>} \ | |
a05a883f | 80 | {.*}] |
8efaf6b3 SM |
81 | gdb_test "set debug frame 0" |
82 | ||
83 | # Test that history values show "not saved" and not "optimized out". | |
84 | gdb_test "print" " = <not saved>" | |
85 | ||
86 | # Test that convenience variables _don't_ show "not saved". | |
87 | gdb_test {print $foo = $rax} " = <optimized out>" |