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/*
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* Copyright 1999-2008 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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#include "incls/_precompiled.incl"
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1066
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#include "incls/_assembler_solaris_x86.cpp.incl"
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1
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void MacroAssembler::int3() {
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push(rax);
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push(rdx);
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push(rcx);
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1
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call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint)));
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pop(rcx);
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pop(rdx);
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pop(rax);
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1
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}
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1066
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#define __ _masm->
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#ifndef _LP64
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static void slow_call_thr_specific(MacroAssembler* _masm, Register thread) {
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1
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// slow call to of thr_getspecific
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// int thr_getspecific(thread_key_t key, void **value);
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// Consider using pthread_getspecific instead.
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__ push(0); // allocate space for return value
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if (thread != rax) __ push(rax); // save rax, if caller still wants it
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__ push(rcx); // save caller save
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__ push(rdx); // save caller save
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1
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if (thread != rax) {
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__ lea(thread, Address(rsp, 3 * sizeof(int))); // address of return value
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1
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} else {
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__ lea(thread, Address(rsp, 2 * sizeof(int))); // address of return value
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}
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__ push(thread); // and pass the address
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__ push(ThreadLocalStorage::thread_index()); // the key
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__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, thr_getspecific)));
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__ increment(rsp, 2 * wordSize);
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__ pop(rdx);
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__ pop(rcx);
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if (thread != rax) __ pop(rax);
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__ pop(thread);
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}
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#else
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static void slow_call_thr_specific(MacroAssembler* _masm, Register thread) {
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// slow call to of thr_getspecific
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// int thr_getspecific(thread_key_t key, void **value);
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// Consider using pthread_getspecific instead.
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if (thread != rax) {
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__ push(rax);
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1
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}
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__ push(0); // space for return value
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__ push(rdi);
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__ push(rsi);
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__ lea(rsi, Address(rsp, 16)); // pass return value address
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__ push(rdx);
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__ push(rcx);
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__ push(r8);
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__ push(r9);
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__ push(r10);
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// XXX
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__ mov(r10, rsp);
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__ andptr(rsp, -16);
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__ push(r10);
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__ push(r11);
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__ movl(rdi, ThreadLocalStorage::thread_index());
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__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, thr_getspecific)));
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__ pop(r11);
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__ pop(rsp);
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__ pop(r10);
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__ pop(r9);
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__ pop(r8);
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__ pop(rcx);
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__ pop(rdx);
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__ pop(rsi);
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__ pop(rdi);
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__ pop(thread); // load return value
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if (thread != rax) {
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__ pop(rax);
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}
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1
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}
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#endif //LP64
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void MacroAssembler::get_thread(Register thread) {
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int segment = NOT_LP64(Assembler::GS_segment) LP64_ONLY(Assembler::FS_segment);
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// Try to emit a Solaris-specific fast TSD/TLS accessor.
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ThreadLocalStorage::pd_tlsAccessMode tlsMode = ThreadLocalStorage::pd_getTlsAccessMode ();
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if (tlsMode == ThreadLocalStorage::pd_tlsAccessIndirect) { // T1
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// Use thread as a temporary: mov r, gs:[0]; mov r, [r+tlsOffset]
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emit_byte (segment);
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// ExternalAddress doesn't work because it can't take NULL
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AddressLiteral null(0, relocInfo::none);
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movptr (thread, null);
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movptr(thread, Address(thread, ThreadLocalStorage::pd_getTlsOffset())) ;
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return ;
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} else
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if (tlsMode == ThreadLocalStorage::pd_tlsAccessDirect) { // T2
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// mov r, gs:[tlsOffset]
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emit_byte (segment);
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AddressLiteral tls_off((address)ThreadLocalStorage::pd_getTlsOffset(), relocInfo::none);
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movptr (thread, tls_off);
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return ;
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}
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slow_call_thr_specific(this, thread);
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}
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