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 */ 24 25 #include "precompiled.hpp" 26 #include "asm/macroAssembler.hpp" 27 #include "asm/macroAssembler.inline.hpp" 28 #include "runtime/os.hpp" 29 #include "runtime/threadLocalStorage.hpp" 30 31 #ifndef _LP64 32 void MacroAssembler::int3() { 33 call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint))); 34 } 35 36 void MacroAssembler::get_thread(Register thread) { 37 movl(thread, rsp); 38 shrl(thread, PAGE_SHIFT); 39 40 ExternalAddress tls_base((address)ThreadLocalStorage::sp_map_addr()); 41 Address index(noreg, thread, Address::times_4); 42 ArrayAddress tls(tls_base, index); 43 44 movptr(thread, tls); 45 } 46 #else 47 void MacroAssembler::int3() { 48 call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint))); 49 } 50 51 void MacroAssembler::get_thread(Register thread) { 52 // call pthread_getspecific 53 // void * pthread_getspecific(pthread_key_t key); 54 if (thread != rax) { 55 push(rax); 56 } 57 push(rdi); 58 push(rsi); 59 push(rdx); 60 push(rcx); 61 push(r8); 62 push(r9); 63 push(r10); 64 // XXX 65 mov(r10, rsp); 66 andq(rsp, -16); 67 push(r10); 68 push(r11); 69 70 movl(rdi, ThreadLocalStorage::thread_index()); 71 call(RuntimeAddress(CAST_FROM_FN_PTR(address, pthread_getspecific))); 72 73 pop(r11); 74 pop(rsp); 75 pop(r10); 76 pop(r9); 77 pop(r8); 78 pop(rcx); 79 pop(rdx); 80 pop(rsi); 81 pop(rdi); 82 if (thread != rax) { 83 mov(thread, rax); 84 pop(rax); 85 } 86 } 87 #endif