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Diffstat (limited to 'src/cpu/ppc/vm/frame_ppc.inline.hpp')
-rw-r--r-- | src/cpu/ppc/vm/frame_ppc.inline.hpp | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/src/cpu/ppc/vm/frame_ppc.inline.hpp b/src/cpu/ppc/vm/frame_ppc.inline.hpp new file mode 100644 index 000000000..8e46363ea --- /dev/null +++ b/src/cpu/ppc/vm/frame_ppc.inline.hpp @@ -0,0 +1,301 @@ +/* + * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. + * Copyright 2012, 2014 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 + +// 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 _fp. _sp or _unextended_sp wouldn't be correct due to resizing. + return _fp; +} + +// 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; +} + +#else // !CC_INTERP + +// Template Interpreter frame value accessors. + +inline frame::ijava_state* frame::get_ijava_state() const { + return (ijava_state*) ((uintptr_t)fp() - ijava_state_size); +} + +inline intptr_t** frame::interpreter_frame_locals_addr() const { + return (intptr_t**) &(get_ijava_state()->locals); +} +inline intptr_t* frame::interpreter_frame_bcx_addr() const { + return (intptr_t*) &(get_ijava_state()->bcp); +} +inline intptr_t* frame::interpreter_frame_mdx_addr() const { + return (intptr_t*) &(get_ijava_state()->mdx); +} +// Pointer beyond the "oldest/deepest" BasicObjectLock on stack. +inline BasicObjectLock* frame::interpreter_frame_monitor_end() const { + return (BasicObjectLock *) get_ijava_state()->monitors; +} + +inline BasicObjectLock* frame::interpreter_frame_monitor_begin() const { + return (BasicObjectLock *) get_ijava_state(); +} + +// SAPJVM ASc 2012-11-21. Return register stack slot addr at which currently interpreted method is found +inline Method** frame::interpreter_frame_method_addr() const { + return (Method**) &(get_ijava_state()->method); +} +inline ConstantPoolCache** frame::interpreter_frame_cpoolcache_addr() const { + return (ConstantPoolCache**) &(get_ijava_state()->cpoolCache); +} +inline ConstantPoolCache** frame::interpreter_frame_cache_addr() const { + return (ConstantPoolCache**) &(get_ijava_state()->cpoolCache); +} + +inline oop* frame::interpreter_frame_temp_oop_addr() const { + return (oop *) &(get_ijava_state()->oop_tmp); +} +inline intptr_t* frame::interpreter_frame_esp() const { + return (intptr_t*) get_ijava_state()->esp; +} + +// Convenient setters +inline void frame::interpreter_frame_set_monitor_end(BasicObjectLock* end) { get_ijava_state()->monitors = (intptr_t) end;} +inline void frame::interpreter_frame_set_cpcache(ConstantPoolCache* cp) { *frame::interpreter_frame_cpoolcache_addr() = cp; } +inline void frame::interpreter_frame_set_esp(intptr_t* esp) { get_ijava_state()->esp = (intptr_t) esp; } +inline void frame::interpreter_frame_set_top_frame_sp(intptr_t* top_frame_sp) { get_ijava_state()->top_frame_sp = (intptr_t) top_frame_sp; } +inline void frame::interpreter_frame_set_sender_sp(intptr_t* sender_sp) { get_ijava_state()->sender_sp = (intptr_t) sender_sp; } + +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 { + return ((intptr_t*) get_ijava_state()->esp) + Interpreter::stackElementWords; +} + +inline intptr_t* frame::interpreter_frame_tos_at(jint offset) const { + return &interpreter_frame_tos_address()[offset]; +} + +#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 |