jdk8-mips64-public/hotspot: src/share/vm/classfile/classFileStream.cpp@c18cbe5936b8

6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair

     1 /*

     2  * Copyright (c) 1997, 2005, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    25 #include "incls/_precompiled.incl"

    26 #include "incls/_classFileStream.cpp.incl"

    28 void ClassFileStream::truncated_file_error(TRAPS) {

    29   THROW_MSG(vmSymbols::java_lang_ClassFormatError(), "Truncated class file");

    30 }

    32 ClassFileStream::ClassFileStream(u1* buffer, int length, char* source) {

    33   _buffer_start = buffer;

    34   _buffer_end   = buffer + length;

    35   _current      = buffer;

    36   _source       = source;

    37   _need_verify  = false;

    38 }

    40 u1 ClassFileStream::get_u1(TRAPS) {

    41   if (_need_verify) {

    42     guarantee_more(1, CHECK_0);

    43   } else {

    44     assert(1 <= _buffer_end - _current, "buffer overflow");

    45   }

    46   return *_current++;

    47 }

    49 u2 ClassFileStream::get_u2(TRAPS) {

    50   if (_need_verify) {

    51     guarantee_more(2, CHECK_0);

    52   } else {

    53     assert(2 <= _buffer_end - _current, "buffer overflow");

    54   }

    55   u1* tmp = _current;

    56   _current += 2;

    57   return Bytes::get_Java_u2(tmp);

    58 }

    60 u4 ClassFileStream::get_u4(TRAPS) {

    61   if (_need_verify) {

    62     guarantee_more(4, CHECK_0);

    63   } else {

    64     assert(4 <= _buffer_end - _current, "buffer overflow");

    65   }

    66   u1* tmp = _current;

    67   _current += 4;

    68   return Bytes::get_Java_u4(tmp);

    69 }

    71 u8 ClassFileStream::get_u8(TRAPS) {

    72   if (_need_verify) {

    73     guarantee_more(8, CHECK_0);

    74   } else {

    75     assert(8 <= _buffer_end - _current, "buffer overflow");

    76   }

    77   u1* tmp = _current;

    78   _current += 8;

    79   return Bytes::get_Java_u8(tmp);

    80 }

    82 void ClassFileStream::skip_u1(int length, TRAPS) {

    83   if (_need_verify) {

    84     guarantee_more(length, CHECK);

    85   }

    86   _current += length;

    87 }

    89 void ClassFileStream::skip_u2(int length, TRAPS) {

    90   if (_need_verify) {

    91     guarantee_more(length * 2, CHECK);

    92   }

    93   _current += length * 2;

    94 }

Mercurial > jdk8-mips64-public > hotspot / file revision