112 lines
2.6 KiB
C
112 lines
2.6 KiB
C
/* Copyright (C) 2010-2015 Free Software Foundation, Inc.
|
|
|
|
This file is part of GDB.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
|
/* The original program corresponding to pieces.S.
|
|
This came from https://bugzilla.redhat.com/show_bug.cgi?id=589467
|
|
Note that it is not ever compiled, pieces.S is used instead.
|
|
However, it is used to extract breakpoint line numbers. */
|
|
|
|
struct A { int i; int j; };
|
|
struct B { int i : 12; int j : 12; int : 4; };
|
|
struct C { int i; int j; int q; };
|
|
|
|
__attribute__((noinline)) void
|
|
bar (int x)
|
|
{
|
|
asm volatile ("" : : "r" (x) : "memory");
|
|
}
|
|
|
|
__attribute__((noinline)) int
|
|
f1 (int k)
|
|
{
|
|
struct A a = { 4, k + 6 };
|
|
asm ("" : "+r" (a.i));
|
|
a.j++;
|
|
bar (a.i); /* { dg-final { gdb-test 20 "a.i" "4" } } */
|
|
bar (a.j); /* { dg-final { gdb-test 20 "a.j" "14" } } */
|
|
return a.i + a.j; /* f1 breakpoint */
|
|
}
|
|
|
|
__attribute__((noinline)) int
|
|
f2 (int k)
|
|
{
|
|
int a[2] = { 4, k + 6 };
|
|
asm ("" : "+r" (a[0]));
|
|
a[1]++;
|
|
bar (a[0]); /* { dg-final { gdb-test 31 "a\[0\]" "4" } } */
|
|
bar (a[1]); /* { dg-final { gdb-test 31 "a\[1\]" "14" } } */
|
|
return a[0] + a[1]; /* f2 breakpoint */
|
|
}
|
|
|
|
__attribute__((noinline)) int
|
|
f3 (int k)
|
|
{
|
|
struct B a = { 4, k + 6 };
|
|
asm ("" : "+r" (a.i));
|
|
a.j++;
|
|
bar (a.i); /* { dg-final { gdb-test 42 "a.i" "4" } } */
|
|
bar (a.j); /* { dg-final { gdb-test 42 "a.j" "14" } } */
|
|
return a.i + a.j; /* f3 breakpoint */
|
|
}
|
|
|
|
__attribute__((noinline)) int
|
|
f4 (int k)
|
|
{
|
|
int a[2] = { k, k };
|
|
asm ("" : "+r" (a[0]));
|
|
a[1]++;
|
|
bar (a[0]);
|
|
bar (a[1]);
|
|
return a[0] + a[1]; /* f4 breakpoint */
|
|
}
|
|
|
|
__attribute__((noinline)) int
|
|
f5 (int k)
|
|
{
|
|
struct A a = { k, k };
|
|
asm ("" : "+r" (a.i));
|
|
a.j++;
|
|
bar (a.i);
|
|
bar (a.j);
|
|
return a.i + a.j; /* f5 breakpoint */
|
|
}
|
|
|
|
__attribute__((noinline)) int
|
|
f6 (int k)
|
|
{
|
|
int z = 23;
|
|
struct C a = { k, k, z };
|
|
asm ("" : "+r" (a.i));
|
|
a.j++;
|
|
bar (a.i);
|
|
bar (a.j);
|
|
return a.i + a.j; /* f6 breakpoint */
|
|
}
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
int k;
|
|
asm ("" : "=r" (k) : "0" (7));
|
|
f1 (k);
|
|
f2 (k);
|
|
f3 (k);
|
|
f4 (k);
|
|
f5 (k);
|
|
f6 (k);
|
|
return 0;
|
|
}
|