jdk8-mips64-public/hotspot: src/os_cpu/bsd_x86/vm/assembler_bsd

8006423: SA: NullPointerException in sun.jvm.hotspot.debugger.bsd.BsdThread.getContext(BsdThread.java:67)
Summary: Do not rely on mach thread port names to identify threads from SA
Reviewed-by: dholmes, minqi, rbackman

     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  */

    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"

    31 #ifndef _LP64

    32 void MacroAssembler::int3() {

    33   call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint)));

    34 }

    36 void MacroAssembler::get_thread(Register thread) {

    37   movl(thread, rsp);

    38   shrl(thread, PAGE_SHIFT);

    40   ExternalAddress tls_base((address)ThreadLocalStorage::sp_map_addr());

    41   Address index(noreg, thread, Address::times_4);

    42   ArrayAddress tls(tls_base, index);

    44   movptr(thread, tls);

    45 }

    46 #else

    47 void MacroAssembler::int3() {

    48   call(RuntimeAddress(CAST_FROM_FN_PTR(address, os::breakpoint)));

    49 }

    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);

    70    movl(rdi, ThreadLocalStorage::thread_index());

    71    call(RuntimeAddress(CAST_FROM_FN_PTR(address, pthread_getspecific)));

    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

src/os_cpu/bsd_x86/vm/assembler_bsd_x86.cpp@758935f7c23f

src/os_cpu/bsd_x86/vm/assembler_bsd_x86.cpp

Mercurial > jdk8-mips64-public > hotspot / file revision

src/os_cpu/bsd_x86/vm/assembler_bsd_x86.cpp@758935f7c23f

src/os_cpu/bsd_x86/vm/assembler_bsd_x86.cpp