Mercurial > hg > graal-compiler
view src/share/vm/asm/assembler.inline.hpp @ 490:dd70dd4c91de
6782820: Server VM fails with "unhandled implicit exception in compiled code"
Summary: Restore the code which sets a control edge for a klass load node.
Reviewed-by: never
author | kvn |
---|---|
date | Tue, 16 Dec 2008 12:23:39 -0800 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * Copyright 1997-2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ inline void AbstractAssembler::sync() { CodeSection* cs = code_section(); guarantee(cs->start() == _code_begin, "must not shift code buffer"); cs->set_end(_code_pos); } inline void AbstractAssembler::emit_byte(int x) { assert(isByte(x), "not a byte"); *(unsigned char*)_code_pos = (unsigned char)x; _code_pos += sizeof(unsigned char); sync(); } inline void AbstractAssembler::emit_word(int x) { *(short*)_code_pos = (short)x; _code_pos += sizeof(short); sync(); } inline void AbstractAssembler::emit_long(jint x) { *(jint*)_code_pos = x; _code_pos += sizeof(jint); sync(); } inline void AbstractAssembler::emit_address(address x) { *(address*)_code_pos = x; _code_pos += sizeof(address); sync(); } inline address AbstractAssembler::inst_mark() const { return code_section()->mark(); } inline void AbstractAssembler::set_inst_mark() { code_section()->set_mark(); } inline void AbstractAssembler::clear_inst_mark() { code_section()->clear_mark(); } inline void AbstractAssembler::relocate(RelocationHolder const& rspec, int format) { assert(!pd_check_instruction_mark() || inst_mark() == NULL || inst_mark() == _code_pos, "call relocate() between instructions"); code_section()->relocate(_code_pos, rspec, format); } inline CodeBuffer* AbstractAssembler::code() const { return code_section()->outer(); } inline int AbstractAssembler::sect() const { return code_section()->index(); } inline int AbstractAssembler::locator() const { return CodeBuffer::locator(offset(), sect()); } inline address AbstractAssembler::target(Label& L) { return code_section()->target(L, pc()); } inline int Label::loc_pos() const { return CodeBuffer::locator_pos(loc()); } inline int Label::loc_sect() const { return CodeBuffer::locator_sect(loc()); } inline void Label::bind_loc(int pos, int sect) { bind_loc(CodeBuffer::locator(pos, sect)); } address AbstractAssembler::address_constant(Label& L) { address c = NULL; address ptr = start_a_const(sizeof(c), sizeof(c)); if (ptr != NULL) { relocate(Relocation::spec_simple(relocInfo::internal_word_type)); *(address*)ptr = c = code_section()->target(L, ptr); _code_pos = ptr + sizeof(c); end_a_const(); } return ptr; } address AbstractAssembler::address_table_constant(GrowableArray<Label*> labels) { int addressSize = sizeof(address); int sizeLabel = addressSize * labels.length(); address ptr = start_a_const(sizeLabel, addressSize); if (ptr != NULL) { address *labelLoc = (address*)ptr; for (int i=0; i < labels.length(); i++) { emit_address(code_section()->target(*labels.at(i), (address)&labelLoc[i])); code_section()->relocate((address)&labelLoc[i], relocInfo::internal_word_type); } end_a_const(); } return ptr; }