--- old/src/os_cpu/linux_x86/vm/assembler_linux_x86.cpp Tue Sep 13 12:29:22 2011 +++ /dev/null Tue Sep 13 12:28:58 2011 @@ -1,110 +0,0 @@ -/* - * Copyright (c) 1999, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - * - */ - -#include "precompiled.hpp" -#include "asm/assembler.hpp" -#include "assembler_x86.inline.hpp" -#include "runtime/os.hpp" -#include "runtime/threadLocalStorage.hpp" - -#ifndef _LP64 -void MacroAssembler::int3() { - call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint))); -} - -#ifdef MINIMIZE_RAM_USAGE - -void MacroAssembler::get_thread(Register thread) { - // call pthread_getspecific - // void * pthread_getspecific(pthread_key_t key); - if (thread != rax) push(rax); - push(rcx); - push(rdx); - - push(ThreadLocalStorage::thread_index()); - call(RuntimeAddress(CAST_FROM_FN_PTR(address, pthread_getspecific))); - increment(rsp, wordSize); - - pop(rdx); - pop(rcx); - if (thread != rax) { - mov(thread, rax); - pop(rax); - } -} - -#else -void MacroAssembler::get_thread(Register thread) { - movl(thread, rsp); - shrl(thread, PAGE_SHIFT); - - ExternalAddress tls_base((address)ThreadLocalStorage::sp_map_addr()); - Address index(noreg, thread, Address::times_4); - ArrayAddress tls(tls_base, index); - - movptr(thread, tls); -} -#endif // MINIMIZE_RAM_USAGE -#else -void MacroAssembler::int3() { - call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint))); -} - -void MacroAssembler::get_thread(Register thread) { - // call pthread_getspecific - // void * pthread_getspecific(pthread_key_t key); - if (thread != rax) { - push(rax); - } - push(rdi); - push(rsi); - push(rdx); - push(rcx); - push(r8); - push(r9); - push(r10); - // XXX - mov(r10, rsp); - andq(rsp, -16); - push(r10); - push(r11); - - movl(rdi, ThreadLocalStorage::thread_index()); - call(RuntimeAddress(CAST_FROM_FN_PTR(address, pthread_getspecific))); - - pop(r11); - pop(rsp); - pop(r10); - pop(r9); - pop(r8); - pop(rcx); - pop(rdx); - pop(rsi); - pop(rdi); - if (thread != rax) { - mov(thread, rax); - pop(rax); - } -} -#endif --- /dev/null Tue Sep 13 12:28:58 2011 +++ new/src/os_cpu/bsd_x86/vm/assembler_bsd_x86.cpp Tue Sep 13 12:29:22 2011 @@ -0,0 +1,87 @@ +/* + * Copyright (c) 1999, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +#include "precompiled.hpp" +#include "asm/assembler.hpp" +#include "assembler_x86.inline.hpp" +#include "runtime/os.hpp" +#include "runtime/threadLocalStorage.hpp" + +#ifndef _LP64 +void MacroAssembler::int3() { + call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint))); +} + +void MacroAssembler::get_thread(Register thread) { + movl(thread, rsp); + shrl(thread, PAGE_SHIFT); + + ExternalAddress tls_base((address)ThreadLocalStorage::sp_map_addr()); + Address index(noreg, thread, Address::times_4); + ArrayAddress tls(tls_base, index); + + movptr(thread, tls); +} +#else +void MacroAssembler::int3() { + call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint))); +} + +void MacroAssembler::get_thread(Register thread) { + // call pthread_getspecific + // void * pthread_getspecific(pthread_key_t key); + if (thread != rax) { + push(rax); + } + push(rdi); + push(rsi); + push(rdx); + push(rcx); + push(r8); + push(r9); + push(r10); + // XXX + mov(r10, rsp); + andq(rsp, -16); + push(r10); + push(r11); + + movl(rdi, ThreadLocalStorage::thread_index()); + call(RuntimeAddress(CAST_FROM_FN_PTR(address, pthread_getspecific))); + + pop(r11); + pop(rsp); + pop(r10); + pop(r9); + pop(r8); + pop(rcx); + pop(rdx); + pop(rsi); + pop(rdi); + if (thread != rax) { + mov(thread, rax); + pop(rax); + } +} +#endif