]>
Commit | Line | Data |
---|---|---|
1d506c26 | 1 | # Copyright 2018-2024 Free Software Foundation, Inc. |
f5d420bb SM |
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 | # This test is equivalent to amd64-pseudo-unwind, but specific to ARM. We | |
17 | # use the raw register d8 which is 64 bits long. We use pseudo register s16, | |
18 | # which is the low 32 bits of d8. | |
19 | ||
20 | if { ![istarget arm*-*-* ] } { | |
21 | verbose "Skipping arm pseudo register unwind." | |
22 | return | |
23 | } | |
24 | ||
25 | standard_testfile arm-pseudo-unwind.c arm-pseudo-unwind-asm.S | |
26 | ||
27 | if { [prepare_for_testing "failed to prepare" ${testfile} \ | |
28 | "${srcfile} ${srcfile2}" {debug additional_flags=-marm}] } { | |
29 | return -1 | |
30 | } | |
31 | ||
32 | clean_restart ${binfile} | |
33 | ||
34 | if ![runto_main] then { | |
35 | fail "could not run to main" | |
36 | } | |
37 | ||
38 | gdb_breakpoint break_here_asm temporary | |
39 | gdb_continue_to_breakpoint "continue to callee" | |
40 | ||
41 | # Verify the value of d8/s16 in the inner frame (callee). | |
42 | with_test_prefix "callee, before change" { | |
43 | gdb_test "p/x \$d8" " = 0x2021222324252627" | |
44 | gdb_test "p/x \$s16" " = 0x24252627" | |
45 | } | |
46 | ||
47 | # Verify that we can change the value of the pseudo register (s16) in the inner | |
48 | # frame (callee). | |
49 | gdb_test_no_output "set \$s16 = 1.0" | |
50 | ||
51 | # Verify the value of d8/s16 in the inner frame (callee) after the change. | |
52 | with_test_prefix "callee, after change" { | |
53 | gdb_test "p/x \$d8" " = 0x202122233f800000" | |
54 | gdb_test "p/x \$s16" " = 0x3f800000" | |
55 | } | |
56 | ||
57 | # Go up one frame (to caller), and do the same. | |
58 | gdb_test "up" | |
59 | ||
60 | # Verify the value of d8/s16 in the outer frame (caller). | |
61 | with_test_prefix "caller, before change" { | |
62 | gdb_test "p/x \$d8" " = 0x1011121314151617" | |
63 | gdb_test "p/x \$s16" " = 0x14151617" | |
64 | } | |
65 | ||
66 | # Verify that we can change the value of the pseudo register (s16) in the outer | |
67 | # frame (caller). | |
68 | gdb_test_no_output "set \$s16 = 2.0" | |
69 | ||
70 | # Verify the value of d8/s16 in the outer frame (caller) after the change. | |
71 | with_test_prefix "caller, after change" { | |
72 | gdb_test "p/x \$d8" " = 0x1011121340000000" | |
73 | gdb_test "p/x \$s16" " = 0x40000000" | |
74 | } | |
75 | ||
76 | # Go back to frame 0 (callee), check that the change to the outer frame didn't | |
77 | # mess up anything there. | |
78 | gdb_test "down" | |
79 | with_test_prefix "callee, after change in caller" { | |
80 | gdb_test "p/x \$d8" " = 0x202122233f800000" | |
81 | gdb_test "p/x \$s16" " = 0x3f800000" | |
82 | } | |
83 | ||
84 | # Verify that the value of the saved d8 we changed is correctly seen by the | |
85 | # inferior. | |
86 | gdb_breakpoint break_here_c temporary | |
87 | gdb_continue_to_breakpoint "continue to break_here_c" | |
88 | gdb_test "p/x value" " = 0x1011121340000000" |