Mercurial > hg > truffle
view src/os_cpu/solaris_x86/vm/assembler_solaris_x86.cpp @ 795:215f81b4d9b3
6841831: G1: assert(contains_reference(from),"We just added it!") fires
Summary: During parallel rset updating we have to make sure that the worker ids of the refinement threads do not intersect with the worker ids that can be claimed by the mutator threads.
Reviewed-by: tonyp
author | iveresov |
---|---|
date | Mon, 18 May 2009 11:52:46 -0700 |
parents | dc7f315e41f7 |
children | c18cbe5936b8 |
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/* * 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.cpp.incl" void MacroAssembler::int3() { push(rax); push(rdx); push(rcx); call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint))); pop(rcx); pop(rdx); pop(rax); } #define __ _masm-> #ifndef _LP64 static void slow_call_thr_specific(MacroAssembler* _masm, Register thread) { // slow call to of thr_getspecific // int thr_getspecific(thread_key_t key, void **value); // Consider using pthread_getspecific instead. __ push(0); // allocate space for return value if (thread != rax) __ push(rax); // save rax, if caller still wants it __ push(rcx); // save caller save __ push(rdx); // save caller save if (thread != rax) { __ lea(thread, Address(rsp, 3 * sizeof(int))); // address of return value } else { __ lea(thread, Address(rsp, 2 * sizeof(int))); // address of return value } __ push(thread); // and pass the address __ push(ThreadLocalStorage::thread_index()); // the key __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, thr_getspecific))); __ increment(rsp, 2 * wordSize); __ pop(rdx); __ pop(rcx); if (thread != rax) __ pop(rax); __ pop(thread); } #else static void slow_call_thr_specific(MacroAssembler* _masm, Register thread) { // slow call to of thr_getspecific // int thr_getspecific(thread_key_t key, void **value); // Consider using pthread_getspecific instead. if (thread != rax) { __ push(rax); } __ push(0); // space for return value __ push(rdi); __ push(rsi); __ lea(rsi, Address(rsp, 16)); // pass return value address __ push(rdx); __ push(rcx); __ push(r8); __ push(r9); __ push(r10); // XXX __ mov(r10, rsp); __ andptr(rsp, -16); __ push(r10); __ push(r11); __ movl(rdi, ThreadLocalStorage::thread_index()); __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, thr_getspecific))); __ pop(r11); __ pop(rsp); __ pop(r10); __ pop(r9); __ pop(r8); __ pop(rcx); __ pop(rdx); __ pop(rsi); __ pop(rdi); __ pop(thread); // load return value if (thread != rax) { __ pop(rax); } } #endif //LP64 void MacroAssembler::get_thread(Register thread) { int segment = NOT_LP64(Assembler::GS_segment) LP64_ONLY(Assembler::FS_segment); // 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 (segment); // ExternalAddress doesn't work because it can't take NULL AddressLiteral null(0, relocInfo::none); movptr (thread, null); movptr(thread, Address(thread, ThreadLocalStorage::pd_getTlsOffset())) ; return ; } else if (tlsMode == ThreadLocalStorage::pd_tlsAccessDirect) { // T2 // mov r, gs:[tlsOffset] emit_byte (segment); AddressLiteral tls_off((address)ThreadLocalStorage::pd_getTlsOffset(), relocInfo::none); movptr (thread, tls_off); return ; } slow_call_thr_specific(this, thread); }