112 lines
2.6 KiB
C
112 lines
2.6 KiB
C
/* Copyright (C) 2010, 2011 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* The original program corresponding to pieces.S.
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This came from https://bugzilla.redhat.com/show_bug.cgi?id=589467
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Note that it is not ever compiled, pieces.S is used instead.
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However, it is used to extract breakpoint line numbers. */
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struct A { int i; int j; };
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struct B { int i : 12; int j : 12; int : 4; };
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struct C { int i; int j; int q; };
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__attribute__((noinline)) void
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bar (int x)
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{
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asm volatile ("" : : "r" (x) : "memory");
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}
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__attribute__((noinline)) int
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f1 (int k)
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{
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struct A a = { 4, k + 6 };
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asm ("" : "+r" (a.i));
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a.j++;
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bar (a.i); /* { dg-final { gdb-test 20 "a.i" "4" } } */
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bar (a.j); /* { dg-final { gdb-test 20 "a.j" "14" } } */
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return a.i + a.j; /* f1 breakpoint */
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}
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__attribute__((noinline)) int
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f2 (int k)
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{
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int a[2] = { 4, k + 6 };
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asm ("" : "+r" (a[0]));
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a[1]++;
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bar (a[0]); /* { dg-final { gdb-test 31 "a\[0\]" "4" } } */
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bar (a[1]); /* { dg-final { gdb-test 31 "a\[1\]" "14" } } */
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return a[0] + a[1]; /* f2 breakpoint */
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}
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__attribute__((noinline)) int
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f3 (int k)
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{
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struct B a = { 4, k + 6 };
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asm ("" : "+r" (a.i));
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a.j++;
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bar (a.i); /* { dg-final { gdb-test 42 "a.i" "4" } } */
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bar (a.j); /* { dg-final { gdb-test 42 "a.j" "14" } } */
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return a.i + a.j; /* f3 breakpoint */
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}
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__attribute__((noinline)) int
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f4 (int k)
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{
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int a[2] = { k, k };
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asm ("" : "+r" (a[0]));
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a[1]++;
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bar (a[0]);
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bar (a[1]);
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return a[0] + a[1]; /* f4 breakpoint */
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}
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__attribute__((noinline)) int
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f5 (int k)
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{
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struct A a = { k, k };
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asm ("" : "+r" (a.i));
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a.j++;
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bar (a.i);
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bar (a.j);
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return a.i + a.j; /* f5 breakpoint */
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}
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__attribute__((noinline)) int
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f6 (int k)
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{
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int z = 23;
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struct C a = { k, k, z };
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asm ("" : "+r" (a.i));
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a.j++;
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bar (a.i);
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bar (a.j);
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return a.i + a.j; /* f6 breakpoint */
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}
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int
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main (void)
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{
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int k;
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asm ("" : "=r" (k) : "0" (7));
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f1 (k);
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f2 (k);
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f3 (k);
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f4 (k);
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f5 (k);
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f6 (k);
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return 0;
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}
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