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8187443: Forest Consolidation: Move files to unified layout

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Reviewed-by: darcy, ihse
This commit is contained in:
Erik Joelsson 2017-09-12 19:03:39 +02:00
parent 270fe13182
commit 3789983e89
56923 changed files with 3 additions and 15727 deletions
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146
hotspot/src/share/vm/classfile/classFileStream.cpp
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@ -1,146 +0,0 @@
/*
* Copyright (c) 1997, 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.
*
*/
#include "precompiled.hpp"
#include "classfile/classFileStream.hpp"
#include "classfile/classLoader.hpp"
#include "classfile/dictionary.hpp"
#include "classfile/vmSymbols.hpp"
#include "memory/resourceArea.hpp"
const bool ClassFileStream::verify = true;
const bool ClassFileStream::no_verification = false;
void ClassFileStream::truncated_file_error(TRAPS) const {
THROW_MSG(vmSymbols::java_lang_ClassFormatError(), "Truncated class file");
}
ClassFileStream::ClassFileStream(const u1* buffer,
int length,
const char* source,
bool verify_stream) :
_buffer_start(buffer),
_buffer_end(buffer + length),
_current(buffer),
_source(source),
_need_verify(verify_stream) {}
const u1* ClassFileStream::clone_buffer() const {
u1* const new_buffer_start = NEW_RESOURCE_ARRAY(u1, length());
memcpy(new_buffer_start, _buffer_start, length());
return new_buffer_start;
}
const char* const ClassFileStream::clone_source() const {
const char* const src = source();
char* source_copy = NULL;
if (src != NULL) {
size_t source_len = strlen(src);
source_copy = NEW_RESOURCE_ARRAY(char, source_len + 1);
strncpy(source_copy, src, source_len + 1);
}
return source_copy;
}
// Caller responsible for ResourceMark
// clone stream with a rewound position
const ClassFileStream* ClassFileStream::clone() const {
const u1* const new_buffer_start = clone_buffer();
return new ClassFileStream(new_buffer_start,
length(),
clone_source(),
need_verify());
}
u1 ClassFileStream::get_u1(TRAPS) const {
if (_need_verify) {
guarantee_more(1, CHECK_0);
} else {
assert(1 <= _buffer_end - _current, "buffer overflow");
}
return *_current++;
}
u2 ClassFileStream::get_u2(TRAPS) const {
if (_need_verify) {
guarantee_more(2, CHECK_0);
} else {
assert(2 <= _buffer_end - _current, "buffer overflow");
}
const u1* tmp = _current;
_current += 2;
return Bytes::get_Java_u2((address)tmp);
}
u4 ClassFileStream::get_u4(TRAPS) const {
if (_need_verify) {
guarantee_more(4, CHECK_0);
} else {
assert(4 <= _buffer_end - _current, "buffer overflow");
}
const u1* tmp = _current;
_current += 4;
return Bytes::get_Java_u4((address)tmp);
}
u8 ClassFileStream::get_u8(TRAPS) const {
if (_need_verify) {
guarantee_more(8, CHECK_0);
} else {
assert(8 <= _buffer_end - _current, "buffer overflow");
}
const u1* tmp = _current;
_current += 8;
return Bytes::get_Java_u8((address)tmp);
}
void ClassFileStream::skip_u1(int length, TRAPS) const {
if (_need_verify) {
guarantee_more(length, CHECK);
}
_current += length;
}
void ClassFileStream::skip_u2(int length, TRAPS) const {
if (_need_verify) {
guarantee_more(length * 2, CHECK);
}
_current += length * 2;
}
void ClassFileStream::skip_u4(int length, TRAPS) const {
if (_need_verify) {
guarantee_more(length * 4, CHECK);
}
_current += length * 4;
}
uint64_t ClassFileStream::compute_fingerprint() const {
int classfile_size = length();
int classfile_crc = ClassLoader::crc32(0, (const char*)buffer(), length());
uint64_t fingerprint = (uint64_t(classfile_size) << 32) | uint64_t(uint32_t(classfile_crc));
assert(fingerprint != 0, "must not be zero");
return fingerprint;
}