1 /* Copyright (C) 2010-2022 Free Software Foundation, Inc.
3 This file is part of GDB.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
18 /* The original program corresponding to pieces.S.
19 This came from https://bugzilla.redhat.com/show_bug.cgi?id=589467
20 Note that it is not ever compiled, pieces.S is used instead.
21 However, it is used to extract breakpoint line numbers. */
23 struct A { int i; int j; };
24 struct B { int i : 12; int j : 12; int : 4; };
25 struct C { int i; int j; int q; };
27 __attribute__((noinline)) void
30 asm volatile ("" : : "r" (x) : "memory");
33 __attribute__((noinline)) int
36 struct A a = { 4, k + 6 };
37 asm ("" : "+r" (a.i));
39 bar (a.i); /* { dg-final { gdb-test 20 "a.i" "4" } } */
40 bar (a.j); /* { dg-final { gdb-test 20 "a.j" "14" } } */
41 return a.i + a.j; /* f1 breakpoint */
44 __attribute__((noinline)) int
47 int a[2] = { 4, k + 6 };
48 asm ("" : "+r" (a[0]));
50 bar (a[0]); /* { dg-final { gdb-test 31 "a\[0\]" "4" } } */
51 bar (a[1]); /* { dg-final { gdb-test 31 "a\[1\]" "14" } } */
52 return a[0] + a[1]; /* f2 breakpoint */
55 __attribute__((noinline)) int
58 struct B a = { 4, k + 6 };
59 asm ("" : "+r" (a.i));
61 bar (a.i); /* { dg-final { gdb-test 42 "a.i" "4" } } */
62 bar (a.j); /* { dg-final { gdb-test 42 "a.j" "14" } } */
63 return a.i + a.j; /* f3 breakpoint */
66 __attribute__((noinline)) int
70 asm ("" : "+r" (a[0]));
74 return a[0] + a[1]; /* f4 breakpoint */
77 __attribute__((noinline)) int
80 struct A a = { k, k };
81 asm ("" : "+r" (a.i));
85 return a.i + a.j; /* f5 breakpoint */
88 __attribute__((noinline)) int
92 struct C a = { k, k, z };
93 asm ("" : "+r" (a.i));
97 return a.i + a.j; /* f6 breakpoint */
104 asm ("" : "=r" (k) : "0" (7));