Mercurial > hg > truffle
annotate src/os_cpu/solaris_x86/vm/assembler_solaris_x86_32.cpp @ 196:d1605aabd0a1 jdk7-b30
6719955: Update copyright year
Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell
| author | xdono |
|---|---|
| date | Wed, 02 Jul 2008 12:55:16 -0700 |
| parents | 7793bd37a336 |
| children | 1fdb98a17101 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 196 | 2 * Copyright 1999-2008 Sun Microsystems, Inc. All Rights Reserved. |
| 0 | 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 #include "incls/_precompiled.incl" | |
| 26 #include "incls/_assembler_solaris_x86_32.cpp.incl" | |
| 27 | |
| 28 | |
| 29 void MacroAssembler::int3() { | |
| 30 pushl(rax); | |
| 31 pushl(rdx); | |
| 32 pushl(rcx); | |
| 33 call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint))); | |
| 34 popl(rcx); | |
| 35 popl(rdx); | |
| 36 popl(rax); | |
| 37 } | |
| 38 | |
| 39 void MacroAssembler::get_thread(Register thread) { | |
| 40 | |
| 41 // Try to emit a Solaris-specific fast TSD/TLS accessor. | |
| 42 ThreadLocalStorage::pd_tlsAccessMode tlsMode = ThreadLocalStorage::pd_getTlsAccessMode () ; | |
| 43 if (tlsMode == ThreadLocalStorage::pd_tlsAccessIndirect) { // T1 | |
| 44 // Use thread as a temporary: mov r, gs:[0]; mov r, [r+tlsOffset] | |
| 45 emit_byte (Assembler::GS_segment) ; | |
| 46 // ExternalAddress doesn't work because it can't take NULL | |
| 47 AddressLiteral null(0, relocInfo::none); | |
| 48 movptr (thread, null); | |
| 49 movl (thread, Address(thread, ThreadLocalStorage::pd_getTlsOffset())) ; | |
| 50 return ; | |
| 51 } else | |
| 52 if (tlsMode == ThreadLocalStorage::pd_tlsAccessDirect) { // T2 | |
| 53 // mov r, gs:[tlsOffset] | |
| 54 emit_byte (Assembler::GS_segment) ; | |
| 55 AddressLiteral tls((address)ThreadLocalStorage::pd_getTlsOffset(), relocInfo::none); | |
| 56 movptr (thread, tls); | |
| 57 return ; | |
| 58 } | |
| 59 | |
| 60 // slow call to of thr_getspecific | |
| 61 // int thr_getspecific(thread_key_t key, void **value); | |
| 62 // Consider using pthread_getspecific instead. | |
| 63 | |
| 64 pushl(0); // allocate space for return value | |
| 65 if (thread != rax) pushl(rax); // save rax, if caller still wants it | |
| 66 pushl(rcx); // save caller save | |
| 67 pushl(rdx); // save caller save | |
| 68 if (thread != rax) { | |
| 69 leal(thread, Address(rsp, 3 * sizeof(int))); // address of return value | |
| 70 } else { | |
| 71 leal(thread, Address(rsp, 2 * sizeof(int))); // address of return value | |
| 72 } | |
| 73 pushl(thread); // and pass the address | |
| 74 pushl(ThreadLocalStorage::thread_index()); // the key | |
| 75 call(RuntimeAddress(CAST_FROM_FN_PTR(address, thr_getspecific))); | |
| 76 increment(rsp, 2 * wordSize); | |
| 77 popl(rdx); | |
| 78 popl(rcx); | |
| 79 if (thread != rax) popl(rax); | |
| 80 popl(thread); | |
| 81 } | |
| 82 | |
|
168
7793bd37a336
6705887: Compressed Oops: generate x64 addressing and implicit null checks with narrow oops
kvn
parents:
0
diff
changeset
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83 bool MacroAssembler::needs_explicit_null_check(intptr_t offset) { |
| 0 | 84 // Identical to Sparc/Solaris code |
| 85 bool offset_in_first_page = 0 <= offset && offset < os::vm_page_size(); | |
| 86 return !offset_in_first_page; | |
| 87 } |