Tue, 01 Feb 2011 11:23:19 -0500
6588413: Use -fvisibility=hidden for gcc compiles
Summary: Add option for gcc 4 and above, define JNIEXPORT and JNIIMPORT to visibility=default, add for jio_snprintf and others since -fvisibility=hidden overrides --version-script definitions.
Reviewed-by: kamg, never
1 /*
2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
25 #include "precompiled.hpp"
26 #include "asm/assembler.hpp"
27 #include "assembler_sparc.inline.hpp"
28 #include "runtime/os.hpp"
29 #include "runtime/threadLocalStorage.hpp"
31 #include <sys/trap.h> // For trap numbers
32 #include <v9/sys/psr_compat.h> // For V8 compatibility
34 void MacroAssembler::read_ccr_trap(Register ccr_save) {
35 // Execute a trap to get the PSR, mask and shift
36 // to get the condition codes.
37 get_psr_trap();
38 nop();
39 set(PSR_ICC, ccr_save);
40 and3(O0, ccr_save, ccr_save);
41 srl(ccr_save, PSR_ICC_SHIFT, ccr_save);
42 }
44 void MacroAssembler::write_ccr_trap(Register ccr_save, Register scratch1, Register scratch2) {
45 // Execute a trap to get the PSR, shift back
46 // the condition codes, mask the condition codes
47 // back into and PSR and trap to write back the
48 // PSR.
49 sll(ccr_save, PSR_ICC_SHIFT, scratch2);
50 get_psr_trap();
51 nop();
52 set(~PSR_ICC, scratch1);
53 and3(O0, scratch1, O0);
54 or3(O0, scratch2, O0);
55 set_psr_trap();
56 nop();
57 }
59 void MacroAssembler::flush_windows_trap() { trap(ST_FLUSH_WINDOWS); }
60 void MacroAssembler::clean_windows_trap() { trap(ST_CLEAN_WINDOWS); }
61 void MacroAssembler::get_psr_trap() { trap(ST_GETPSR); }
62 void MacroAssembler::set_psr_trap() { trap(ST_SETPSR); }