1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/os_cpu/aix_ppc/vm/thread_aix_ppc.hpp Fri Sep 06 20:16:09 2013 +0200
1.3 @@ -0,0 +1,79 @@
1.4 +/*
1.5 + * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * Copyright 2012, 2013 SAP AG. All rights reserved.
1.7 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.8 + *
1.9 + * This code is free software; you can redistribute it and/or modify it
1.10 + * under the terms of the GNU General Public License version 2 only, as
1.11 + * published by the Free Software Foundation.
1.12 + *
1.13 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.14 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.15 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.16 + * version 2 for more details (a copy is included in the LICENSE file that
1.17 + * accompanied this code).
1.18 + *
1.19 + * You should have received a copy of the GNU General Public License version
1.20 + * 2 along with this work; if not, write to the Free Software Foundation,
1.21 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.22 + *
1.23 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.24 + * or visit www.oracle.com if you need additional information or have any
1.25 + * questions.
1.26 + *
1.27 + */
1.28 +
1.29 +#ifndef OS_CPU_AIX_OJDKPPC_VM_THREAD_AIX_PPC_HPP
1.30 +#define OS_CPU_AIX_OJDKPPC_VM_THREAD_AIX_PPC_HPP
1.31 +
1.32 + private:
1.33 + void pd_initialize() {
1.34 + _anchor.clear();
1.35 + _last_interpreter_fp = NULL;
1.36 + }
1.37 +
1.38 + // The `last' frame is the youngest Java frame on the thread's stack.
1.39 + frame pd_last_frame() {
1.40 + assert(has_last_Java_frame(), "must have last_Java_sp() when suspended");
1.41 +
1.42 + intptr_t* sp = last_Java_sp();
1.43 + address pc = _anchor.last_Java_pc();
1.44 +
1.45 + // Last_Java_pc ist not set, if we come here from compiled code.
1.46 + if (pc == NULL)
1.47 + pc = (address) *(sp + 2);
1.48 +
1.49 + return frame(sp, pc);
1.50 + }
1.51 +
1.52 + public:
1.53 + void set_base_of_stack_pointer(intptr_t* base_sp) {}
1.54 + intptr_t* base_of_stack_pointer() { return NULL; }
1.55 + void record_base_of_stack_pointer() {}
1.56 +
1.57 + // These routines are only used on cpu architectures that
1.58 + // have separate register stacks (Itanium).
1.59 + static bool register_stack_overflow() { return false; }
1.60 + static void enable_register_stack_guard() {}
1.61 + static void disable_register_stack_guard() {}
1.62 +
1.63 + bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext,
1.64 + bool isInJava);
1.65 +
1.66 + // -Xprof support
1.67 + //
1.68 + // In order to find the last Java fp from an async profile
1.69 + // tick, we store the current interpreter fp in the thread.
1.70 + // This value is only valid while we are in the C++ interpreter
1.71 + // and profiling.
1.72 + protected:
1.73 + intptr_t *_last_interpreter_fp;
1.74 +
1.75 + public:
1.76 + static ByteSize last_interpreter_fp_offset() {
1.77 + return byte_offset_of(JavaThread, _last_interpreter_fp);
1.78 + }
1.79 +
1.80 + intptr_t* last_interpreter_fp() { return _last_interpreter_fp; }
1.81 +
1.82 +#endif // OS_CPU_AIX_OJDKPPC_VM_THREAD_AIX_PPC_HPP
