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afd74c5f TT |
1 | # Copyright 2010 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 some DWARF piece operators. | |
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 "pieces" | |
34 | set srcfile ${testfile}.S | |
35 | set csrcfile ${testfile}.c | |
36 | set binfile ${objdir}/${subdir}/${testfile}.x | |
37 | ||
38 | if {[prepare_for_testing ${testfile}.exp ${testfile}.x $srcfile]} { | |
39 | return -1 | |
40 | } | |
41 | ||
42 | if ![runto_main] { | |
43 | return -1 | |
44 | } | |
45 | ||
46 | # Function f1 tests a particular gdb bug involving DW_OP_piece. | |
47 | proc pieces_test_f1 {} { | |
48 | global csrcfile | |
49 | set line [gdb_get_line_number "f1 breakpoint" $csrcfile] | |
50 | gdb_test "break pieces.c:$line" "Breakpoint 2.*" \ | |
51 | "set f1 breakpoint for pieces" | |
52 | gdb_continue_to_breakpoint "continue to f1 breakpoint for pieces" | |
53 | gdb_test "print a" " = {i = 4, j = 14}" "print a in pieces:f1" | |
54 | gdb_test "print a.j" " = 14" "print a.j in pieces:f1" | |
55 | } | |
56 | ||
74de6778 TT |
57 | # Function f2 tests for a bug when indexing into an array created |
58 | # using DW_OP_piece. | |
59 | proc pieces_test_f2 {} { | |
60 | global csrcfile | |
61 | set line [gdb_get_line_number "f2 breakpoint" $csrcfile] | |
62 | gdb_test "break pieces.c:$line" "Breakpoint 3.*" \ | |
63 | "set f2 breakpoint for pieces" | |
64 | gdb_continue_to_breakpoint "continue to f2 breakpoint for pieces" | |
65 | gdb_test "print a" " = .4, 14." "print a in pieces:f2" | |
66 | gdb_test "print a\[0\]" " = 4" "print a\[0\] in pieces:f2" | |
67 | gdb_test "print a\[1\]" " = 14" "print a\[1\] in pieces:f2" | |
68 | } | |
69 | ||
d3b1e874 TT |
70 | # Function f3 tests DW_OP_bit_piece. |
71 | proc pieces_test_f3 {} { | |
72 | global csrcfile | |
73 | set line [gdb_get_line_number "f3 breakpoint" $csrcfile] | |
74 | gdb_test "break pieces.c:$line" "Breakpoint 4.*" \ | |
75 | "set f3 breakpoint for pieces" | |
76 | gdb_continue_to_breakpoint "continue to f3 breakpoint for pieces" | |
77 | gdb_test "print a.i" " = 4" "print a.i in pieces:f3" | |
78 | gdb_test "print a.j" " = 14" "print a.j in pieces:f3" | |
d3b1e874 TT |
79 | gdb_test "print a.i = 7" " = 7" "set a.i in pieces:f3" |
80 | gdb_test "print a.i" " = 7" "print new a.i in pieces:f3" | |
81 | } | |
82 | ||
cb826367 TT |
83 | # Function f6 tests for an empty DW_OP_piece. |
84 | proc pieces_test_f6 {} { | |
85 | global csrcfile | |
86 | set line [gdb_get_line_number "f6 breakpoint" $csrcfile] | |
d3b1e874 | 87 | gdb_test "break pieces.c:$line" "Breakpoint 5.*" \ |
cb826367 TT |
88 | "set f6 breakpoint for pieces" |
89 | gdb_continue_to_breakpoint "continue to f6 breakpoint for pieces" | |
90 | gdb_test "print a" \ | |
0e03807e | 91 | " = {i = 7, j = 8, q = .value optimized out.}" \ |
cb826367 TT |
92 | "print a with optimized out piece" |
93 | # Note: no warning for this case. | |
94 | gdb_test_multiple "print a.i" \ | |
95 | "print a.i with optimized out piece" { | |
96 | -re "warning: some bits in computed object" { | |
97 | fail "print a.i with optimized out piece" | |
98 | } | |
99 | -re " = 7" { | |
100 | pass "print a.i with optimized out piece" | |
101 | } | |
102 | } | |
103 | } | |
104 | ||
afd74c5f | 105 | pieces_test_f1 |
74de6778 | 106 | pieces_test_f2 |
d3b1e874 | 107 | pieces_test_f3 |
cb826367 | 108 | pieces_test_f6 |