jdk8-mips64-public/hotspot: src/os_cpu/solaris_x86/vm/threadLS_solaris

6970683: improvements to hs_err output
Reviewed-by: kvn, jrose, dholmes, coleenp

     1 /*

     2  * Copyright (c) 1998, 2007, 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 // Processor dependent parts of ThreadLocalStorage

    27 private:

    28   static Thread* _get_thread_cache[];  // index by [(raw_id>>9)^(raw_id>>20) % _pd_cache_size]

    29   static Thread* get_thread_via_cache_slowly(uintptr_t raw_id, int index);

    31   NOT_PRODUCT(static int _tcacheHit;)

    32   NOT_PRODUCT(static int _tcacheMiss;)

    34 public:

    35   // Cache hit/miss statistics

    36   static void print_statistics() PRODUCT_RETURN;

    38   enum Constants {

    39 #ifdef AMD64

    40     _pd_cache_size         =  256*2   // projected typical # of threads * 2

    41 #else

    42     _pd_cache_size         =  128*2   // projected typical # of threads * 2

    43 #endif // AMD64

    44   };

    46   enum pd_tlsAccessMode {

    47      pd_tlsAccessUndefined      = -1,

    48      pd_tlsAccessSlow           = 0,

    49      pd_tlsAccessIndirect       = 1,

    50      pd_tlsAccessDirect         = 2

    51   } ;

    53   static void set_thread_in_slot (Thread *) ;

    55   static pd_tlsAccessMode pd_getTlsAccessMode () ;

    56   static ptrdiff_t pd_getTlsOffset () ;

    58   static uintptr_t pd_raw_thread_id() {

    59 #ifdef _GNU_SOURCE

    60 #ifdef AMD64

    61     uintptr_t rv;

    62     __asm__ __volatile__ ("movq %%fs:0, %0" : "=r"(rv));

    63     return rv;

    64 #else

    65     return gs_thread();

    66 #endif // AMD64

    67 #else  //_GNU_SOURCE

    68     return _raw_thread_id();

    69 #endif //_GNU_SOURCE

    70   }

    72   static int pd_cache_index(uintptr_t raw_id) {

    73     // Copied from the sparc version. Dave said it should also work fine

    74     // for solx86.

    75     int ix = (int) (((raw_id >> 9) ^ (raw_id >> 20)) % _pd_cache_size);

    76     return ix;

    77   }

    79   // Java Thread

    80   static inline Thread* thread();

src/os_cpu/solaris_x86/vm/threadLS_solaris_x86.hpp@1e9a9d2e6509