--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/cpu/arm/vm/frame_arm.inline.hpp Mon Dec 19 12:39:01 2016 -0500
@@ -0,0 +1,248 @@
+/*
+ * Copyright (c) 2008, 2016, Oracle and/or its affiliates. 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_ARM_VM_FRAME_ARM_INLINE_HPP
+#define CPU_ARM_VM_FRAME_ARM_INLINE_HPP
+
+#include "code/codeCache.hpp"
+#include "code/vmreg.inline.hpp"
+
+// Inline functions for ARM frames:
+
+// Constructors:
+
+inline frame::frame() {
+ _pc = NULL;
+ _sp = NULL;
+ _unextended_sp = NULL;
+ _fp = NULL;
+ _cb = NULL;
+ _deopt_state = unknown;
+}
+
+inline void frame::init(intptr_t* sp, intptr_t* fp, address pc) {
+ _sp = sp;
+ _unextended_sp = sp;
+ _fp = fp;
+ _pc = pc;
+ assert(pc != NULL, "no pc?");
+ _cb = CodeCache::find_blob(pc);
+ adjust_unextended_sp();
+
+ address original_pc = CompiledMethod::get_deopt_original_pc(this);
+ if (original_pc != NULL) {
+ _pc = original_pc;
+ _deopt_state = is_deoptimized;
+ } else {
+ _deopt_state = not_deoptimized;
+ }
+}
+
+inline frame::frame(intptr_t* sp, intptr_t* fp, address pc) {
+ init(sp, fp, pc);
+}
+
+inline frame::frame(intptr_t* sp, intptr_t* unextended_sp, intptr_t* fp, address pc) {
+ _sp = sp;
+ _unextended_sp = unextended_sp;
+ _fp = fp;
+ _pc = pc;
+ assert(pc != NULL, "no pc?");
+ _cb = CodeCache::find_blob(pc);
+ adjust_unextended_sp();
+
+ address original_pc = CompiledMethod::get_deopt_original_pc(this);
+ if (original_pc != NULL) {
+ _pc = original_pc;
+ assert(_cb->as_compiled_method()->insts_contains(_pc), "original PC must be in CompiledMethod");
+ _deopt_state = is_deoptimized;
+ } else {
+ _deopt_state = not_deoptimized;
+ }
+}
+
+#ifndef AARCH64
+
+inline frame::frame(intptr_t* sp, intptr_t* fp) {
+ _sp = sp;
+ _unextended_sp = sp;
+ _fp = fp;
+ assert(sp != NULL,"null SP ?");
+ _pc = (address)(sp[-1]);
+ // assert(_pc != NULL, "no pc?"); // see comments in x86
+ _cb = CodeCache::find_blob(_pc);
+ adjust_unextended_sp();
+
+ address original_pc = CompiledMethod::get_deopt_original_pc(this);
+ if (original_pc != NULL) {
+ _pc = original_pc;
+ _deopt_state = is_deoptimized;
+ } else {
+ _deopt_state = not_deoptimized;
+ }
+}
+
+#endif // !AARCH64
+
+// Accessors
+
+inline bool frame::equal(frame other) const {
+ bool ret = sp() == other.sp()
+ && unextended_sp() == other.unextended_sp()
+ && fp() == other.fp()
+ && pc() == other.pc();
+ assert(!ret || ret && cb() == other.cb() && _deopt_state == other._deopt_state, "inconsistent construction");
+ return ret;
+}
+
+// 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 { return unextended_sp(); }
+
+// Relationals on frames based
+// Return true if the frame is younger (more recent activation) than the frame represented by id
+inline bool frame::is_younger(intptr_t* id) const { assert(this->id() != NULL && id != NULL, "NULL frame id");
+ return this->id() < id ; }
+
+// Return true if the 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");
+ return this->id() > id ; }
+
+
+
+inline intptr_t* frame::link() const { return (intptr_t*) *(intptr_t **)addr_at(link_offset); }
+
+inline intptr_t* frame::unextended_sp() const { return _unextended_sp; }
+
+// Return address:
+
+inline address* frame::sender_pc_addr() const { return (address*) addr_at(return_addr_offset); }
+inline address frame::sender_pc() const { return *sender_pc_addr(); }
+
+inline intptr_t* frame::sender_sp() const { return addr_at(sender_sp_offset); }
+
+inline intptr_t** frame::interpreter_frame_locals_addr() const {
+ return (intptr_t**)addr_at(interpreter_frame_locals_offset);
+}
+
+#ifndef AARCH64
+inline intptr_t* frame::interpreter_frame_last_sp() const {
+ return *(intptr_t**)addr_at(interpreter_frame_last_sp_offset);
+}
+#endif // !AARCH64
+
+inline intptr_t* frame::interpreter_frame_bcp_addr() const {
+ return (intptr_t*)addr_at(interpreter_frame_bcp_offset);
+}
+
+inline intptr_t* frame::interpreter_frame_mdp_addr() const {
+ return (intptr_t*)addr_at(interpreter_frame_mdp_offset);
+}
+
+
+// Constant pool cache
+
+inline ConstantPoolCache** frame::interpreter_frame_cache_addr() const {
+ return (ConstantPoolCache**)addr_at(interpreter_frame_cache_offset);
+}
+
+// Method
+
+inline Method** frame::interpreter_frame_method_addr() const {
+ return (Method**)addr_at(interpreter_frame_method_offset);
+}
+
+inline oop* frame::interpreter_frame_mirror_addr() const {
+ return (oop*)addr_at(interpreter_frame_mirror_offset);
+}
+
+// top of expression stack
+inline intptr_t* frame::interpreter_frame_tos_address() const {
+#ifdef AARCH64
+ intptr_t* stack_top = (intptr_t*)*addr_at(interpreter_frame_stack_top_offset);
+ assert(stack_top != NULL, "should be stored before call");
+ assert(stack_top <= (intptr_t*) interpreter_frame_monitor_end(), "bad tos");
+ return stack_top;
+#else
+ intptr_t* last_sp = interpreter_frame_last_sp();
+ if (last_sp == NULL ) {
+ return sp();
+ } else {
+ // sp() may have been extended or shrunk by an adapter. At least
+ // check that we don't fall behind the legal region.
+ // For top deoptimized frame last_sp == interpreter_frame_monitor_end.
+ assert(last_sp <= (intptr_t*) interpreter_frame_monitor_end(), "bad tos");
+ return last_sp;
+ }
+#endif // AARCH64
+}
+
+inline oop* frame::interpreter_frame_temp_oop_addr() const {
+ return (oop *)(fp() + interpreter_frame_oop_temp_offset);
+}
+
+inline int frame::interpreter_frame_monitor_size() {
+ return BasicObjectLock::size();
+}
+
+
+// expression stack
+// (the max_stack arguments are used by the GC; see class FrameClosure)
+
+inline intptr_t* frame::interpreter_frame_expression_stack() const {
+ intptr_t* monitor_end = (intptr_t*) interpreter_frame_monitor_end();
+ return monitor_end-1;
+}
+
+
+inline jint frame::interpreter_frame_expression_stack_direction() { return -1; }
+
+
+// Entry frames
+
+inline JavaCallWrapper** frame::entry_frame_call_wrapper_addr() const {
+ return (JavaCallWrapper**)addr_at(entry_frame_call_wrapper_offset);
+}
+
+
+// Compiled frames
+
+inline bool frame::volatile_across_calls(Register reg) {
+ return true;
+}
+
+inline oop frame::saved_oop_result(RegisterMap* map) const {
+ oop* result_adr = (oop*) map->location(R0->as_VMReg());
+ guarantee(result_adr != NULL, "bad register save location");
+ return (*result_adr);
+}
+
+inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) {
+ oop* result_adr = (oop*) map->location(R0->as_VMReg());
+ guarantee(result_adr != NULL, "bad register save location");
+ *result_adr = obj;
+}
+
+#endif // CPU_ARM_VM_FRAME_ARM_INLINE_HPP