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213516ef | 1 | # Copyright 2010-2023 Free Software Foundation, Inc. |
8cf6f0b1 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 |
8cf6f0b1 TT |
16 | |
17 | # Test DW_OP_GNU_implicit_pointer. | |
18 | ||
19 | # This test can only be run on targets which support DWARF-2 and use gas. | |
ce8d533e | 20 | require dwarf2_support |
8cf6f0b1 | 21 | |
09ea7c9c TV |
22 | # This test can only be run on x86 targets. |
23 | require is_x86_like_target | |
24 | ||
c83ee902 | 25 | standard_testfile .S |
8cf6f0b1 | 26 | set csrcfile ${testfile}.c |
0e37a63c JK |
27 | set opts {} |
28 | ||
29 | if [info exists COMPILE] { | |
30 | # make check RUNTESTFLAGS='gdb.dwarf2/implptr.exp COMPILE=1 CC_FOR_TARGET=gcc\ -m32' | |
31 | set srcfile ${csrcfile} | |
32 | lappend opts debug optimize=-O2 | |
0e37a63c | 33 | } |
8cf6f0b1 | 34 | |
5b362f04 | 35 | if {[prepare_for_testing "failed to prepare" ${testfile} $srcfile $opts]} { |
8cf6f0b1 TT |
36 | return -1 |
37 | } | |
38 | ||
918dd910 | 39 | # Additional test to verify the referenced CU is not aged out. |
b4f54984 | 40 | gdb_test_no_output "maintenance set dwarf max-cache-age 0" |
918dd910 | 41 | |
8cf6f0b1 TT |
42 | if ![runto_main] { |
43 | return -1 | |
44 | } | |
45 | ||
46 | # Test various pointer depths in bar. | |
47 | proc implptr_test_bar {} { | |
48 | global csrcfile | |
49 | set line [gdb_get_line_number "bar breakpoint" $csrcfile] | |
50 | gdb_test "break implptr.c:$line" "Breakpoint 2.*" \ | |
51 | "set bar breakpoint for implptr" | |
52 | gdb_continue_to_breakpoint "continue to bar breakpoint for implptr" | |
0e37a63c | 53 | gdb_test "print j" " = \\(intp\\) <synthetic pointer>" "print j in implptr:bar" |
bb7da2bf | 54 | gdb_test {print sizeof (j[0])} " = 4" {print sizeof (j[0]) in implptr:bar} |
8cf6f0b1 TT |
55 | gdb_test "print *j" " = 5" "print *j in implptr:bar" |
56 | gdb_test "print **k" " = 5" "print **k in implptr:bar" | |
57 | gdb_test "print ***l" " = 5" "print ***l in implptr:bar" | |
58 | } | |
59 | ||
543305c9 JK |
60 | # Test implicit pointer offset. |
61 | proc implptr_test_baz {} { | |
62 | global csrcfile | |
63 | set line [gdb_get_line_number "baz breakpoint" $csrcfile] | |
64 | gdb_test "break implptr.c:$line" "Breakpoint 3.*" \ | |
65 | "set baz breakpoint for implptr" | |
66 | gdb_continue_to_breakpoint "continue to baz breakpoint for implptr" | |
ddfe970e KS |
67 | |
68 | # We are breaking in an inlined function. GDB should appear to | |
69 | # have stopped "in" the inlined function. | |
70 | gdb_test "up" "#1 foo .*" | |
543305c9 JK |
71 | gdb_test {p p[0].y} " = 92" "sanity check element 0" |
72 | gdb_test {p p[1].y} " = 46" "sanity check element 1" | |
ddfe970e | 73 | gdb_test "down" "#0 add .*" |
543305c9 JK |
74 | gdb_test "p a->y" " = 92" "check element 0 for the offset" |
75 | gdb_test "p b->y" " = 46" "check element 1 for the offset" | |
76 | gdb_continue_to_breakpoint "ignore the second baz breakpoint" | |
77 | } | |
78 | ||
8cf6f0b1 TT |
79 | # Test some values in foo. |
80 | proc implptr_test_foo {} { | |
81 | global csrcfile | |
82 | set line [gdb_get_line_number "foo breakpoint" $csrcfile] | |
543305c9 | 83 | gdb_test "break implptr.c:$line" "Breakpoint 4.*" \ |
8cf6f0b1 TT |
84 | "set foo breakpoint for implptr" |
85 | gdb_continue_to_breakpoint "continue to foo breakpoint for implptr" | |
0e37a63c | 86 | gdb_test "print p\[0].x" " = \\(int \\*\\) <synthetic pointer>" \ |
8cf6f0b1 TT |
87 | "print p\[0].x in implptr:foo" |
88 | gdb_test "print *p\[0].x" " = 69" \ | |
89 | "print *p\[0].x in implptr:foo" | |
90 | gdb_test "print/d *(((char *) p\[0].x) + 1)" " = 0" \ | |
91 | "print byte inside *p\[0].x in implptr:foo" | |
92 | gdb_test "print *(p\[0].x + 10)" \ | |
93 | "access outside bounds of object referenced via synthetic pointer" \ | |
94 | "print invalid offset from *p\[0].x in implptr:foo" | |
95 | gdb_test "print j" " = 69" \ | |
96 | "print j in implptr:foo" | |
97 | } | |
98 | ||
99 | implptr_test_bar | |
543305c9 | 100 | implptr_test_baz |
8cf6f0b1 | 101 | implptr_test_foo |