| /* |
| * Copyright 1999-2008 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| * |
| */ |
| |
| #include "incls/_precompiled.incl" |
| #include "incls/_assembler_solaris_x86_32.cpp.incl" |
| |
| |
| void MacroAssembler::int3() { |
| pushl(rax); |
| pushl(rdx); |
| pushl(rcx); |
| call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint))); |
| popl(rcx); |
| popl(rdx); |
| popl(rax); |
| } |
| |
| void MacroAssembler::get_thread(Register thread) { |
| |
| // Try to emit a Solaris-specific fast TSD/TLS accessor. |
| ThreadLocalStorage::pd_tlsAccessMode tlsMode = ThreadLocalStorage::pd_getTlsAccessMode () ; |
| if (tlsMode == ThreadLocalStorage::pd_tlsAccessIndirect) { // T1 |
| // Use thread as a temporary: mov r, gs:[0]; mov r, [r+tlsOffset] |
| emit_byte (Assembler::GS_segment) ; |
| // ExternalAddress doesn't work because it can't take NULL |
| AddressLiteral null(0, relocInfo::none); |
| movptr (thread, null); |
| movl (thread, Address(thread, ThreadLocalStorage::pd_getTlsOffset())) ; |
| return ; |
| } else |
| if (tlsMode == ThreadLocalStorage::pd_tlsAccessDirect) { // T2 |
| // mov r, gs:[tlsOffset] |
| emit_byte (Assembler::GS_segment) ; |
| AddressLiteral tls((address)ThreadLocalStorage::pd_getTlsOffset(), relocInfo::none); |
| movptr (thread, tls); |
| return ; |
| } |
| |
| // slow call to of thr_getspecific |
| // int thr_getspecific(thread_key_t key, void **value); |
| // Consider using pthread_getspecific instead. |
| |
| pushl(0); // allocate space for return value |
| if (thread != rax) pushl(rax); // save rax, if caller still wants it |
| pushl(rcx); // save caller save |
| pushl(rdx); // save caller save |
| if (thread != rax) { |
| leal(thread, Address(rsp, 3 * sizeof(int))); // address of return value |
| } else { |
| leal(thread, Address(rsp, 2 * sizeof(int))); // address of return value |
| } |
| pushl(thread); // and pass the address |
| pushl(ThreadLocalStorage::thread_index()); // the key |
| call(RuntimeAddress(CAST_FROM_FN_PTR(address, thr_getspecific))); |
| increment(rsp, 2 * wordSize); |
| popl(rdx); |
| popl(rcx); |
| if (thread != rax) popl(rax); |
| popl(thread); |
| } |