truffle: src/os/aix/vm/os_aix.hpp annotate

annotate src/os/aix/vm/os_aix.hpp @ 20710:c5e86c5cd22e

8066964: ppc64: argument and return type profiling, fix problem with popframe Reviewed-by: roland, kvn

author	goetz
date	Fri, 12 Dec 2014 08:48:56 +0100
parents	666e6ce3976c
children

rev	line source
14415 666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	1 /*
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	3 * Copyright 2013 SAP AG. All rights reserved.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	5 *
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	6 * This code is free software; you can redistribute it and/or modify it
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	7 * under the terms of the GNU General Public License version 2 only, as
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	8 * published by the Free Software Foundation.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	9 *
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	10 * This code is distributed in the hope that it will be useful, but WITHOUT
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	13 * version 2 for more details (a copy is included in the LICENSE file that
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	14 * accompanied this code).
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	15 *
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	16 * You should have received a copy of the GNU General Public License version
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	17 * 2 along with this work; if not, write to the Free Software Foundation,
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	19 *
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	21 * or visit www.oracle.com if you need additional information or have any
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	22 * questions.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	23 *
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	24 */
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	25
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	26 #ifndef OS_AIX_VM_OS_AIX_HPP
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	27 #define OS_AIX_VM_OS_AIX_HPP
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	28
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	29 // Information about the protection of the page at address '0' on this os.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	30 static bool zero_page_read_protected() { return false; }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	31
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	32 // Class Aix defines the interface to the Aix operating systems.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	33
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	34 class Aix {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	35 friend class os;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	36
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	37 // For signal-chaining
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	38 // highest so far (AIX 5.2) is SIGSAK (63)
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	39 #define MAXSIGNUM 63
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	40 // length of strings included in the libperfstat structures
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	41 #define IDENTIFIER_LENGTH 64
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	42
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	43 static struct sigaction sigact[MAXSIGNUM]; // saved preinstalled sigactions
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	44 static unsigned int sigs; // mask of signals that have
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	45 // preinstalled signal handlers
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	46 static bool libjsig_is_loaded; // libjsig that interposes sigaction(),
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	47 // __sigaction(), signal() is loaded
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	48 static struct sigaction (get_signal_action)(int);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	49 static struct sigaction *get_preinstalled_handler(int);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	50 static void save_preinstalled_handler(int, struct sigaction&);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	51
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	52 static void check_signal_handler(int sig);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	53
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	54 // For signal flags diagnostics
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	55 static int sigflags[MAXSIGNUM];
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	56
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	57 protected:
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	58
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	59 static julong _physical_memory;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	60 static pthread_t _main_thread;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	61 static Mutex* _createThread_lock;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	62 static int _page_size;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	63 static int _logical_cpus;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	64
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	65 // -1 = uninitialized, 0 = AIX, 1 = OS/400 (PASE)
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	66 static int _on_pase;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	67
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	68 // -1 = uninitialized, otherwise 16 bit number:
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	69 // lower 8 bit - minor version
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	70 // higher 8 bit - major version
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	71 // For AIX, e.g. 0x0601 for AIX 6.1
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	72 // for OS/400 e.g. 0x0504 for OS/400 V5R4
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	73 static int _os_version;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	74
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	75 // -1 = uninitialized,
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	76 // 0 - SPEC1170 not requested (XPG_SUS_ENV is OFF or not set)
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	77 // 1 - SPEC1170 requested (XPG_SUS_ENV is ON)
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	78 static int _xpg_sus_mode;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	79
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	80 // -1 = uninitialized,
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	81 // 0 - EXTSHM=OFF or not set
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	82 // 1 - EXTSHM=ON
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	83 static int _extshm;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	84
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	85 // page sizes on AIX.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	86 //
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	87 // AIX supports four different page sizes - 4K, 64K, 16MB, 16GB. The latter two
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	88 // (16M "large" resp. 16G "huge" pages) require special setup and are normally
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	89 // not available.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	90 //
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	91 // AIX supports multiple page sizes per process, for:
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	92 // - Stack (of the primordial thread, so not relevant for us)
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	93 // - Data - data, bss, heap, for us also pthread stacks
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	94 // - Text - text code
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	95 // - shared memory
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	96 //
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	97 // Default page sizes can be set via linker options (-bdatapsize, -bstacksize, ...)
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	98 // and via environment variable LDR_CNTRL (DATAPSIZE, STACKPSIZE, ...)
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	99 //
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	100 // For shared memory, page size can be set dynamically via shmctl(). Different shared memory
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	101 // regions can have different page sizes.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	102 //
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	103 // More information can be found at AIBM info center:
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	104 // http://publib.boulder.ibm.com/infocenter/aix/v6r1/index.jsp?topic=/com.ibm.aix.prftungd/doc/prftungd/multiple_page_size_app_support.htm
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	105 //
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	106 // -----
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	107 // We want to support 4K and 64K and, if the machine is set up correctly, 16MB pages.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	108 //
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	109
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	110 // page size of the stack of newly created pthreads
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	111 // (should be LDR_CNTRL DATAPSIZE because stack is allocated on heap by pthread lib)
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	112 static int _stack_page_size;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	113
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	114 // Default shm page size. Read: what page size shared memory will be backed
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	115 // with if no page size was set explicitly using shmctl(SHM_PAGESIZE).
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	116 // Should be LDR_CNTRL SHMPSIZE.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	117 static size_t _shm_default_page_size;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	118
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	119 // True if sys V shm can be used with 64K pages dynamically.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	120 // (via shmctl(.. SHM_PAGESIZE..). Should be true for AIX 53 and
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	121 // newer / PASE V6R1 and newer. (0 or 1, -1 if not initialized)
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	122 static int _can_use_64K_pages;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	123
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	124 // True if sys V shm can be used with 16M pages dynamically.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	125 // (via shmctl(.. SHM_PAGESIZE..). Only true on AIX 5.3 and
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	126 // newer, if the system was set up to use 16M pages and the
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	127 // jvm has enough user rights. (0 or 1, -1 if not initialized)
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	128 static int _can_use_16M_pages;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	129
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	130 static julong available_memory();
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	131 static julong physical_memory() { return _physical_memory; }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	132 static void initialize_system_info();
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	133
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	134 // OS recognitions (PASE/AIX, OS level) call this before calling any
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	135 // one of Aix::on_pase(), Aix::os_version().
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	136 static void initialize_os_info();
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	137
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	138 static int commit_memory_impl(char* addr, size_t bytes, bool exec);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	139 static int commit_memory_impl(char* addr, size_t bytes,
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	140 size_t alignment_hint, bool exec);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	141
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	142 // Scan environment for important settings which might effect the
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	143 // VM. Trace out settings. Warn about invalid settings and/or
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	144 // correct them.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	145 //
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	146 // Must run after os::Aix::initialue_os_info().
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	147 static void scan_environment();
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	148
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	149 // Retrieve information about multipage size support. Will initialize
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	150 // _page_size, _stack_page_size, _can_use_64K_pages/_can_use_16M_pages
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	151 static void query_multipage_support();
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	152
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	153 // Initialize libo4 (on PASE) and libperfstat (on AIX). Call this
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	154 // before relying on functions from either lib, e.g. Aix::get_meminfo().
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	155 static void initialize_libo4();
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	156 static void initialize_libperfstat();
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	157
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	158 static bool supports_variable_stack_size();
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	159
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	160 public:
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	161 static void init_thread_fpu_state();
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	162 static pthread_t main_thread(void) { return _main_thread; }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	163 // returns kernel thread id (similar to LWP id on Solaris), which can be
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	164 // used to access /proc
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	165 static pid_t gettid();
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	166 static void set_createThread_lock(Mutex* lk) { _createThread_lock = lk; }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	167 static Mutex* createThread_lock(void) { return _createThread_lock; }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	168 static void hotspot_sigmask(Thread* thread);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	169
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	170 // Given an address, returns the size of the page backing that address
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	171 static size_t query_pagesize(void* p);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	172
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	173 // Return `true' if the calling thread is the primordial thread. The
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	174 // primordial thread is the thread which contains the main function,
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	175 // not necessarily the thread which initialized the VM by calling
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	176 // JNI_CreateJavaVM.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	177 static bool is_primordial_thread(void);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	178
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	179 static int page_size(void) {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	180 assert(_page_size != -1, "not initialized");
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	181 return _page_size;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	182 }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	183
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	184 // Accessor methods for stack page size which may be different from usual page size.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	185 static int stack_page_size(void) {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	186 assert(_stack_page_size != -1, "not initialized");
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	187 return _stack_page_size;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	188 }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	189
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	190 // default shm page size. Read: what page size shared memory
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	191 // will be backed with if no page size was set explicitly using shmctl(SHM_PAGESIZE).
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	192 // Should be LDR_CNTRL SHMPSIZE.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	193 static int shm_default_page_size(void) {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	194 assert(_shm_default_page_size != -1, "not initialized");
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	195 return _shm_default_page_size;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	196 }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	197
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	198 // Return true if sys V shm can be used with 64K pages dynamically
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	199 // (via shmctl(.. SHM_PAGESIZE..).
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	200 static bool can_use_64K_pages () {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	201 assert(_can_use_64K_pages != -1, "not initialized");
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	202 return _can_use_64K_pages == 1 ? true : false;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	203 }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	204
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	205 // Return true if sys V shm can be used with 16M pages dynamically.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	206 // (via shmctl(.. SHM_PAGESIZE..).
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	207 static bool can_use_16M_pages () {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	208 assert(_can_use_16M_pages != -1, "not initialized");
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	209 return _can_use_16M_pages == 1 ? true : false;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	210 }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	211
20710 c5e86c5cd22e 8066964: ppc64: argument and return type profiling, fix problem with popframe goetz parents: 14415 diff changeset	212 static address ucontext_get_pc(const ucontext_t* uc);
14415 666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	213 static intptr_t* ucontext_get_sp(ucontext_t* uc);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	214 static intptr_t* ucontext_get_fp(ucontext_t* uc);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	215 // Set PC into context. Needed for continuation after signal.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	216 static void ucontext_set_pc(ucontext_t* uc, address pc);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	217
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	218 // This boolean allows users to forward their own non-matching signals
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	219 // to JVM_handle_aix_signal, harmlessly.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	220 static bool signal_handlers_are_installed;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	221
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	222 static int get_our_sigflags(int);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	223 static void set_our_sigflags(int, int);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	224 static void signal_sets_init();
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	225 static void install_signal_handlers();
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	226 static void set_signal_handler(int, bool);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	227 static bool is_sig_ignored(int sig);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	228
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	229 static sigset_t* unblocked_signals();
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	230 static sigset_t* vm_signals();
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	231 static sigset_t* allowdebug_blocked_signals();
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	232
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	233 // For signal-chaining
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	234 static struct sigaction *get_chained_signal_action(int sig);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	235 static bool chained_handler(int sig, siginfo_t* siginfo, void* context);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	236
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	237 // libpthread version string
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	238 static void libpthread_init();
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	239
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	240 // Minimum stack size a thread can be created with (allowing
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	241 // the VM to completely create the thread and enter user code)
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	242 static size_t min_stack_allowed;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	243
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	244 // Return default stack size or guard size for the specified thread type
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	245 static size_t default_stack_size(os::ThreadType thr_type);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	246 static size_t default_guard_size(os::ThreadType thr_type);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	247
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	248 // Function returns true if we run on OS/400 (pase), false if we run
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	249 // on AIX.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	250 static bool on_pase() {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	251 assert(_on_pase != -1, "not initialized");
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	252 return _on_pase ? true : false;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	253 }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	254
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	255 // Function returns true if we run on AIX, false if we run on OS/400
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	256 // (pase).
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	257 static bool on_aix() {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	258 assert(_on_pase != -1, "not initialized");
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	259 return _on_pase ? false : true;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	260 }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	261
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	262 // -1 = uninitialized, otherwise 16 bit number:
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	263 // lower 8 bit - minor version
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	264 // higher 8 bit - major version
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	265 // For AIX, e.g. 0x0601 for AIX 6.1
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	266 // for OS/400 e.g. 0x0504 for OS/400 V5R4
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	267 static int os_version () {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	268 assert(_os_version != -1, "not initialized");
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	269 return _os_version;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	270 }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	271
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	272 // Convenience method: returns true if running on AIX 5.3 or older.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	273 static bool on_aix_53_or_older() {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	274 return on_aix() && os_version() <= 0x0503;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	275 }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	276
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	277 // Returns true if we run in SPEC1170 compliant mode (XPG_SUS_ENV=ON).
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	278 static bool xpg_sus_mode() {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	279 assert(_xpg_sus_mode != -1, "not initialized");
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	280 return _xpg_sus_mode;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	281 }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	282
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	283 // Returns true if EXTSHM=ON.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	284 static bool extshm() {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	285 assert(_extshm != -1, "not initialized");
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	286 return _extshm;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	287 }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	288
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	289 // result struct for get_meminfo()
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	290 struct meminfo_t {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	291
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	292 // Amount of virtual memory (in units of 4 KB pages)
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	293 unsigned long long virt_total;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	294
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	295 // Amount of real memory, in bytes
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	296 unsigned long long real_total;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	297
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	298 // Amount of free real memory, in bytes
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	299 unsigned long long real_free;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	300
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	301 // Total amount of paging space, in bytes
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	302 unsigned long long pgsp_total;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	303
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	304 // Amount of free paging space, in bytes
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	305 unsigned long long pgsp_free;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	306
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	307 };
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	308
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	309 // Result struct for get_cpuinfo().
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	310 struct cpuinfo_t {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	311 char description[IDENTIFIER_LENGTH]; // processor description (type/official name)
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	312 u_longlong_t processorHZ; // processor speed in Hz
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	313 int ncpus; // number of active logical processors
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	314 double loadavg[3]; // (1<<SBITS) times the average number of runnables processes during the last 1, 5 and 15 minutes.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	315 // To calculate the load average, divide the numbers by (1<<SBITS). SBITS is defined in <sys/proc.h>.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	316 char version[20]; // processor version from _system_configuration (sys/systemcfg.h)
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	317 };
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	318
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	319 // Functions to retrieve memory information on AIX, PASE.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	320 // (on AIX, using libperfstat, on PASE with libo4.so).
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	321 // Returns true if ok, false if error.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	322 static bool get_meminfo(meminfo_t* pmi);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	323
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	324 // Function to retrieve cpu information on AIX
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	325 // (on AIX, using libperfstat)
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	326 // Returns true if ok, false if error.
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	327 static bool get_cpuinfo(cpuinfo_t* pci);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	328
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	329 }; // os::Aix class
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	330
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	331
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	332 class PlatformEvent : public CHeapObj<mtInternal> {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	333 private:
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	334 double CachePad [4]; // increase odds that _mutex is sole occupant of cache line
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	335 volatile int _Event;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	336 volatile int _nParked;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	337 pthread_mutex_t _mutex [1];
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	338 pthread_cond_t _cond [1];
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	339 double PostPad [2];
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	340 Thread * _Assoc;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	341
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	342 public: // TODO-FIXME: make dtor private
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	343 ~PlatformEvent() { guarantee (0, "invariant"); }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	344
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	345 public:
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	346 PlatformEvent() {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	347 int status;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	348 status = pthread_cond_init (_cond, NULL);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	349 assert_status(status == 0, status, "cond_init");
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	350 status = pthread_mutex_init (_mutex, NULL);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	351 assert_status(status == 0, status, "mutex_init");
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	352 _Event = 0;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	353 _nParked = 0;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	354 _Assoc = NULL;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	355 }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	356
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	357 // Use caution with reset() and fired() -- they may require MEMBARs
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	358 void reset() { _Event = 0; }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	359 int fired() { return _Event; }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	360 void park ();
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	361 void unpark ();
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	362 int TryPark ();
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	363 int park (jlong millis);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	364 void SetAssociation (Thread * a) { _Assoc = a; }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	365 };
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	366
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	367 class PlatformParker : public CHeapObj<mtInternal> {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	368 protected:
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	369 pthread_mutex_t _mutex [1];
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	370 pthread_cond_t _cond [1];
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	371
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	372 public: // TODO-FIXME: make dtor private
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	373 ~PlatformParker() { guarantee (0, "invariant"); }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	374
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	375 public:
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	376 PlatformParker() {
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	377 int status;
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	378 status = pthread_cond_init (_cond, NULL);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	379 assert_status(status == 0, status, "cond_init");
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	380 status = pthread_mutex_init (_mutex, NULL);
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	381 assert_status(status == 0, status, "mutex_init");
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	382 }
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	383 };
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	384
666e6ce3976c 8023038: PPC64 (part 15): Platform files for AIX/PPC64 support simonis parents: diff changeset	385 #endif // OS_AIX_VM_OS_AIX_HPP

Mercurial > hg > truffle

annotate src/os/aix/vm/os_aix.hpp @ 20710:c5e86c5cd22e