Mercurial > hg > truffle
view src/gpu/hsail/vm/gpu_hsail_Frame.hpp @ 18710:4836c2abc884
mx: removed hard-coded -Xms setting for the 'build' and 'checkstyle' commands to try and avoid unnecessary swapping on low(er) memory machines
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 18 Dec 2014 12:12:04 +1000 |
parents | e9998e2be7f5 |
children |
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/* * Copyright (c) 2014, 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 GPU_HSAIL_VM_GPU_HSAIL_FRAME_HPP #define GPU_HSAIL_VM_GPU_HSAIL_FRAME_HPP #include "graal/graalEnv.hpp" #include "code/debugInfo.hpp" #include "code/location.hpp" class HSAILFrame VALUE_OBJ_CLASS_SPEC { friend class VMStructs; private: jint _pc_offset; // The HSAIL "pc_offset" where the exception happens jbyte _num_s_regs; jbyte _num_d_regs; jshort _num_stack_slots; jbyte* data_start() {return (jbyte*) this + sizeof(*this); } int sreg_ofst_start() { return 0; } int dreg_ofst_start() { return sreg_ofst_start() + num_s_regs() * sizeof(jint); } int stackslot_ofst_start() { return dreg_ofst_start() + num_d_regs() * sizeof(jlong); } int sreg_ofst(int idx) { assert(idx >= 0 && idx < num_s_regs(), "bad sreg index"); return sreg_ofst_start() + idx * sizeof(jint); } int dreg_ofst(int idx) { assert(idx >= 0 && idx < num_d_regs(), "bad dreg index"); return dreg_ofst_start() + idx * sizeof(jlong); } int stackslot_ofst(int stackOffset) { assert(stackOffset >= 0 && (unsigned int) stackOffset < num_stack_slots() * sizeof(jlong), "bad stackoffset"); return stackslot_ofst_start() + stackOffset; } // the _ptr versions just return a pointer to the indicated d reg or stackslot64 // some of these are used for oops_do processing jint* get_s_reg_ptr(int idx) { return((jint*) (data_start() + sreg_ofst(idx))); } jlong* get_d_reg_ptr(int idx) { return((jlong*) (data_start() + dreg_ofst(idx))); } jlong* get_stackslot64_ptr(int stackOffset) { return((jlong*) (data_start() + stackslot_ofst(stackOffset))); } jint* get_stackslot32_ptr(int stackOffset) { return((jint*) (data_start() + stackslot_ofst(stackOffset))); } void* get_oop_ptr_for_bit(int bit) { void* oop_ptr; if (bit < num_d_regs()) { // d register oop_ptr = (void*) get_d_reg_ptr(bit); } else { // stack slot int stackOffset = (bit - num_d_regs()) * 8; // 8 bytes per stack slot oop_ptr = (void*) get_stackslot64_ptr(stackOffset); } return oop_ptr; } public: // Accessors jint pc_offset() { return _pc_offset; } jint num_s_regs() {return _num_s_regs; } jint num_d_regs() {return _num_d_regs; } jint num_stack_slots() {return _num_stack_slots; } jlong get_oop_for_bit(int bit) { return * (jlong *) get_oop_ptr_for_bit(bit); } // do the oops from this frame void oops_do(OopClosure* f, HSAILOopMapHelper* oopMapHelper) { int oops_per_deopt = num_d_regs() + num_stack_slots(); // handle the dregister and stackSlot based oops for (int bit = 0; bit < oops_per_deopt; bit++) { if (oopMapHelper->is_oop(pc_offset(), bit)) { void* oop_ptr = get_oop_ptr_for_bit(bit); // the oops we are dealing with here in the hsailFrame are always uncompressed oop old_oop = oopDesc::load_heap_oop((oop *)oop_ptr); f->do_oop((oop*) oop_ptr); if (TraceGPUInteraction) { oop new_oop = oopDesc::load_heap_oop((oop *)oop_ptr); tty->print_cr("bit=%d, oop_ptr=%p, old=%p, new=%p", bit, oop_ptr, (void *)old_oop, (void *)new_oop); } } } } }; #endif // GPU_HSAIL_VM_GPU_HSAIL_FRAME_HPP