--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/cpu/ppc/vm/frame_ppc.inline.hpp Fri Aug 02 16:46:45 2013 +0200
@@ -0,0 +1,239 @@
+/*
+ * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2012, 2013 SAP AG. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef CPU_PPC_VM_FRAME_PPC_INLINE_HPP
+#define CPU_PPC_VM_FRAME_PPC_INLINE_HPP
+
+#ifndef CC_INTERP
+#error "CC_INTERP must be defined on PPC64"
+#endif
+
+// Inline functions for ppc64 frames:
+
+// Find codeblob and set deopt_state.
+inline void frame::find_codeblob_and_set_pc_and_deopt_state(address pc) {
+ assert(pc != NULL, "precondition: must have PC");
+
+ _cb = CodeCache::find_blob(pc);
+ _pc = pc; // Must be set for get_deopt_original_pc()
+
+ _fp = (intptr_t*)own_abi()->callers_sp;
+ // Use _fp - frame_size, needs to be done between _cb and _pc initialization
+ // and get_deopt_original_pc.
+ adjust_unextended_sp();
+
+ address original_pc = nmethod::get_deopt_original_pc(this);
+ if (original_pc != NULL) {
+ _pc = original_pc;
+ _deopt_state = is_deoptimized;
+ } else {
+ _deopt_state = not_deoptimized;
+ }
+
+ assert(((uint64_t)_sp & 0xf) == 0, "SP must be 16-byte aligned");
+}
+
+// Constructors
+
+// Initialize all fields, _unextended_sp will be adjusted in find_codeblob_and_set_pc_and_deopt_state.
+inline frame::frame() : _sp(NULL), _unextended_sp(NULL), _fp(NULL), _cb(NULL), _pc(NULL), _deopt_state(unknown) {}
+
+inline frame::frame(intptr_t* sp) : _sp(sp), _unextended_sp(sp) {
+ find_codeblob_and_set_pc_and_deopt_state((address)own_abi()->lr); // also sets _fp and adjusts _unextended_sp
+}
+
+inline frame::frame(intptr_t* sp, address pc) : _sp(sp), _unextended_sp(sp) {
+ find_codeblob_and_set_pc_and_deopt_state(pc); // also sets _fp and adjusts _unextended_sp
+}
+
+inline frame::frame(intptr_t* sp, address pc, intptr_t* unextended_sp) : _sp(sp), _unextended_sp(unextended_sp) {
+ find_codeblob_and_set_pc_and_deopt_state(pc); // also sets _fp and adjusts _unextended_sp
+}
+
+// Accessors
+
+// Return unique id for this frame. The id must have a value where we
+// can distinguish identity and younger/older relationship. NULL
+// represents an invalid (incomparable) frame.
+inline intptr_t* frame::id(void) const {
+ // Use the _unextended_pc as the frame's ID. Because we have no
+ // adapters, but resized compiled frames, some of the new code
+ // (e.g. JVMTI) wouldn't work if we return the (current) SP of the
+ // frame.
+ return _unextended_sp;
+}
+
+// Return true if this frame is older (less recent activation) than
+// the frame represented by id.
+inline bool frame::is_older(intptr_t* id) const {
+ assert(this->id() != NULL && id != NULL, "NULL frame id");
+ // Stack grows towards smaller addresses on ppc64.
+ return this->id() > id;
+}
+
+inline int frame::frame_size(RegisterMap* map) const {
+ // Stack grows towards smaller addresses on PPC64: sender is at a higher address.
+ return sender_sp() - sp();
+}
+
+// Return the frame's stack pointer before it has been extended by a
+// c2i adapter. This is needed by deoptimization for ignoring c2i adapter
+// frames.
+inline intptr_t* frame::unextended_sp() const {
+ return _unextended_sp;
+}
+
+// All frames have this field.
+inline address frame::sender_pc() const {
+ return (address)callers_abi()->lr;
+}
+inline address* frame::sender_pc_addr() const {
+ return (address*)&(callers_abi()->lr);
+}
+
+// All frames have this field.
+inline intptr_t* frame::sender_sp() const {
+ return (intptr_t*)callers_abi();
+}
+
+// All frames have this field.
+inline intptr_t* frame::link() const {
+ return (intptr_t*)callers_abi()->callers_sp;
+}
+
+inline intptr_t* frame::real_fp() const {
+ return fp();
+}
+
+#ifdef CC_INTERP
+
+inline interpreterState frame::get_interpreterState() const {
+ return (interpreterState)(((address)callers_abi())
+ - frame::interpreter_frame_cinterpreterstate_size_in_bytes());
+}
+
+inline intptr_t** frame::interpreter_frame_locals_addr() const {
+ interpreterState istate = get_interpreterState();
+ return (intptr_t**)&istate->_locals;
+}
+
+inline intptr_t* frame::interpreter_frame_bcx_addr() const {
+ interpreterState istate = get_interpreterState();
+ return (intptr_t*)&istate->_bcp;
+}
+
+inline intptr_t* frame::interpreter_frame_mdx_addr() const {
+ interpreterState istate = get_interpreterState();
+ return (intptr_t*)&istate->_mdx;
+}
+
+inline intptr_t* frame::interpreter_frame_expression_stack() const {
+ return (intptr_t*)interpreter_frame_monitor_end() - 1;
+}
+
+inline jint frame::interpreter_frame_expression_stack_direction() {
+ return -1;
+}
+
+// top of expression stack
+inline intptr_t* frame::interpreter_frame_tos_address() const {
+ interpreterState istate = get_interpreterState();
+ return istate->_stack + 1;
+}
+
+inline intptr_t* frame::interpreter_frame_tos_at(jint offset) const {
+ return &interpreter_frame_tos_address()[offset];
+}
+
+// monitor elements
+
+// in keeping with Intel side: end is lower in memory than begin;
+// and beginning element is oldest element
+// Also begin is one past last monitor.
+
+inline BasicObjectLock* frame::interpreter_frame_monitor_begin() const {
+ return get_interpreterState()->monitor_base();
+}
+
+inline BasicObjectLock* frame::interpreter_frame_monitor_end() const {
+ return (BasicObjectLock*)get_interpreterState()->stack_base();
+}
+
+inline int frame::interpreter_frame_cinterpreterstate_size_in_bytes() {
+ // Size of an interpreter object. Not aligned with frame size.
+ return round_to(sizeof(BytecodeInterpreter), 8);
+}
+
+inline Method** frame::interpreter_frame_method_addr() const {
+ interpreterState istate = get_interpreterState();
+ return &istate->_method;
+}
+
+// Constant pool cache
+
+inline ConstantPoolCache** frame::interpreter_frame_cpoolcache_addr() const {
+ interpreterState istate = get_interpreterState();
+ return &istate->_constants; // should really use accessor
+}
+
+inline ConstantPoolCache** frame::interpreter_frame_cache_addr() const {
+ interpreterState istate = get_interpreterState();
+ return &istate->_constants;
+}
+#endif // CC_INTERP
+
+inline int frame::interpreter_frame_monitor_size() {
+ // Number of stack slots for a monitor.
+ return round_to(BasicObjectLock::size(), // number of stack slots
+ WordsPerLong); // number of stack slots for a Java long
+}
+
+inline int frame::interpreter_frame_monitor_size_in_bytes() {
+ return frame::interpreter_frame_monitor_size() * wordSize;
+}
+
+// entry frames
+
+inline intptr_t* frame::entry_frame_argument_at(int offset) const {
+ // Since an entry frame always calls the interpreter first, the
+ // parameters are on the stack and relative to known register in the
+ // entry frame.
+ intptr_t* tos = (intptr_t*)get_entry_frame_locals()->arguments_tos_address;
+ return &tos[offset + 1]; // prepushed tos
+}
+
+inline JavaCallWrapper** frame::entry_frame_call_wrapper_addr() const {
+ return (JavaCallWrapper**)&get_entry_frame_locals()->call_wrapper_address;
+}
+
+inline oop frame::saved_oop_result(RegisterMap* map) const {
+ return *((oop*)map->location(R3->as_VMReg()));
+}
+
+inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) {
+ *((oop*)map->location(R3->as_VMReg())) = obj;
+}
+
+#endif // CPU_PPC_VM_FRAME_PPC_INLINE_HPP