Mercurial > hg > graal-compiler
view src/os_cpu/linux_x86/vm/assembler_linux_x86_64.cpp @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | 7793bd37a336 |
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/* * Copyright 2003 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_linux_x86_64.cpp.incl" 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) { pushq(rax); } pushq(rdi); pushq(rsi); pushq(rdx); pushq(rcx); pushq(r8); pushq(r9); pushq(r10); // XXX movq(r10, rsp); andq(rsp, -16); pushq(r10); pushq(r11); movl(rdi, ThreadLocalStorage::thread_index()); call(RuntimeAddress(CAST_FROM_FN_PTR(address, pthread_getspecific))); popq(r11); popq(rsp); popq(r10); popq(r9); popq(r8); popq(rcx); popq(rdx); popq(rsi); popq(rdi); if (thread != rax) { movq(thread, rax); popq(rax); } } // NOTE: since the linux kernel resides at the low end of // user address space, no null pointer check is needed. bool MacroAssembler::needs_explicit_null_check(int offset) { return offset < 0 || offset >= 0x100000; }