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https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.2/] [gdb/] [testsuite/] [gdb.dwarf2/] [pieces.c] - Rev 357
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/* Copyright (C) 2010 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; }
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