Wed, 11 Mar 2009 14:16:13 -0700
6812587: Use auxv to determine SPARC hardware features on Solaris
Summary: A similar function to getisax(2) should be used to determine all possible instruction set extensions.
Reviewed-by: never, kvn
duke@435 | 1 | /* |
duke@435 | 2 | * Copyright 1999-2007 Sun Microsystems, Inc. All Rights Reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | // Defines the interfaces to Solaris operating systems that vary across platforms |
duke@435 | 26 | |
duke@435 | 27 | |
duke@435 | 28 | // This is a simple callback that just fetches a PC for an interrupted thread. |
duke@435 | 29 | // The thread need not be suspended and the fetched PC is just a hint. |
duke@435 | 30 | // Returned PC and nPC are not necessarily consecutive. |
duke@435 | 31 | // This one is currently used for profiling the VMThread ONLY! |
duke@435 | 32 | |
duke@435 | 33 | // Must be synchronous |
duke@435 | 34 | class GetThreadPC_Callback : public OSThread::Sync_Interrupt_Callback { |
duke@435 | 35 | private: |
duke@435 | 36 | ExtendedPC _addr; |
duke@435 | 37 | |
duke@435 | 38 | public: |
duke@435 | 39 | |
duke@435 | 40 | GetThreadPC_Callback(Monitor *sync) : |
duke@435 | 41 | OSThread::Sync_Interrupt_Callback(sync) { } |
duke@435 | 42 | ExtendedPC addr() const { return _addr; } |
duke@435 | 43 | |
duke@435 | 44 | void set_addr(ExtendedPC addr) { _addr = addr; } |
duke@435 | 45 | |
duke@435 | 46 | void execute(OSThread::InterruptArguments *args); |
duke@435 | 47 | }; |
duke@435 | 48 | |
duke@435 | 49 | // misc |
duke@435 | 50 | extern "C" { |
duke@435 | 51 | void signalHandler(int, siginfo_t*, void*); |
duke@435 | 52 | } |
duke@435 | 53 | void resolve_lwp_exit_calls(void); |
duke@435 | 54 | void handle_unexpected_exception(Thread* thread, int sig, siginfo_t* info, address pc, address adjusted_pc); |
duke@435 | 55 | #ifndef PRODUCT |
duke@435 | 56 | void continue_with_dump(void); |
duke@435 | 57 | #endif |
duke@435 | 58 | |
duke@435 | 59 | #if defined(__sparc) && defined(COMPILER2) |
duke@435 | 60 | // For Sun Studio compiler implementation is in file |
duke@435 | 61 | // src/os_cpu/solaris_sparc/vm/solaris_sparc.il |
duke@435 | 62 | // For gcc implementation is in file |
duke@435 | 63 | // src/os_cpu/solaris_sparc/vm/os_solaris_sparc.cpp |
duke@435 | 64 | extern "C" void _mark_fpu_nosave() ; |
duke@435 | 65 | #endif |
duke@435 | 66 | |
duke@435 | 67 | #define PROCFILE_LENGTH 128 |