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8acc9f48 | 1 | # Copyright 2010-2013 Free Software Foundation, Inc. |
afd74c5f TT |
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/>. | |
810cfdbb | 15 | load_lib dwarf.exp |
afd74c5f TT |
16 | # Test some DWARF piece operators. |
17 | ||
18 | # This test can only be run on targets which support DWARF-2 and use gas. | |
810cfdbb | 19 | if {![dwarf2_support]} { |
afd74c5f TT |
20 | return 0 |
21 | } | |
22 | # This test can only be run on x86 targets. | |
6edba76f | 23 | if {![is_x86_like_target]} { |
afd74c5f TT |
24 | return 0 |
25 | } | |
26 | ||
c83ee902 | 27 | standard_testfile .S |
afd74c5f | 28 | set csrcfile ${testfile}.c |
afd74c5f | 29 | |
c83ee902 | 30 | if {[prepare_for_testing ${testfile}.exp ${testfile} $srcfile]} { |
afd74c5f TT |
31 | return -1 |
32 | } | |
33 | ||
34 | if ![runto_main] { | |
35 | return -1 | |
36 | } | |
37 | ||
38 | # Function f1 tests a particular gdb bug involving DW_OP_piece. | |
39 | proc pieces_test_f1 {} { | |
40 | global csrcfile | |
41 | set line [gdb_get_line_number "f1 breakpoint" $csrcfile] | |
42 | gdb_test "break pieces.c:$line" "Breakpoint 2.*" \ | |
43 | "set f1 breakpoint for pieces" | |
44 | gdb_continue_to_breakpoint "continue to f1 breakpoint for pieces" | |
45 | gdb_test "print a" " = {i = 4, j = 14}" "print a in pieces:f1" | |
46 | gdb_test "print a.j" " = 14" "print a.j in pieces:f1" | |
47 | } | |
48 | ||
74de6778 TT |
49 | # Function f2 tests for a bug when indexing into an array created |
50 | # using DW_OP_piece. | |
51 | proc pieces_test_f2 {} { | |
52 | global csrcfile | |
53 | set line [gdb_get_line_number "f2 breakpoint" $csrcfile] | |
54 | gdb_test "break pieces.c:$line" "Breakpoint 3.*" \ | |
55 | "set f2 breakpoint for pieces" | |
56 | gdb_continue_to_breakpoint "continue to f2 breakpoint for pieces" | |
57 | gdb_test "print a" " = .4, 14." "print a in pieces:f2" | |
58 | gdb_test "print a\[0\]" " = 4" "print a\[0\] in pieces:f2" | |
59 | gdb_test "print a\[1\]" " = 14" "print a\[1\] in pieces:f2" | |
60 | } | |
61 | ||
d3b1e874 TT |
62 | # Function f3 tests DW_OP_bit_piece. |
63 | proc pieces_test_f3 {} { | |
64 | global csrcfile | |
65 | set line [gdb_get_line_number "f3 breakpoint" $csrcfile] | |
66 | gdb_test "break pieces.c:$line" "Breakpoint 4.*" \ | |
67 | "set f3 breakpoint for pieces" | |
68 | gdb_continue_to_breakpoint "continue to f3 breakpoint for pieces" | |
69 | gdb_test "print a.i" " = 4" "print a.i in pieces:f3" | |
70 | gdb_test "print a.j" " = 14" "print a.j in pieces:f3" | |
d3b1e874 TT |
71 | gdb_test "print a.i = 7" " = 7" "set a.i in pieces:f3" |
72 | gdb_test "print a.i" " = 7" "print new a.i in pieces:f3" | |
73 | } | |
74 | ||
cb826367 TT |
75 | # Function f6 tests for an empty DW_OP_piece. |
76 | proc pieces_test_f6 {} { | |
77 | global csrcfile | |
78 | set line [gdb_get_line_number "f6 breakpoint" $csrcfile] | |
d3b1e874 | 79 | gdb_test "break pieces.c:$line" "Breakpoint 5.*" \ |
cb826367 TT |
80 | "set f6 breakpoint for pieces" |
81 | gdb_continue_to_breakpoint "continue to f6 breakpoint for pieces" | |
82 | gdb_test "print a" \ | |
585fdaa1 | 83 | " = {i = 7, j = 8, q = .optimized out.}" \ |
cb826367 TT |
84 | "print a with optimized out piece" |
85 | # Note: no warning for this case. | |
86 | gdb_test_multiple "print a.i" \ | |
87 | "print a.i with optimized out piece" { | |
88 | -re "warning: some bits in computed object" { | |
89 | fail "print a.i with optimized out piece" | |
90 | } | |
91 | -re " = 7" { | |
92 | pass "print a.i with optimized out piece" | |
93 | } | |
94 | } | |
95 | } | |
96 | ||
afd74c5f | 97 | pieces_test_f1 |
74de6778 | 98 | pieces_test_f2 |
d3b1e874 | 99 | pieces_test_f3 |
cb826367 | 100 | pieces_test_f6 |