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OMRJitBuilderRecorderBinaryBuffer.cpp
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OMRJitBuilderRecorderBinaryBuffer.cpp
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/*******************************************************************************
* Copyright (c) 2018, 2019 IBM Corp. and others
*
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which accompanies this
* distribution and is available at http://eclipse.org/legal/epl-2.0
* or the Apache License, Version 2.0 which accompanies this distribution
* and is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License, v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception [1] and GNU General Public
* License, version 2 with the OpenJDK Assembly Exception [2].
*
* [1] https://www.gnu.org/software/classpath/license.html
* [2] http://openjdk.java.net/legal/assembly-exception.html
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception
*******************************************************************************/
#include <stdint.h>
#include <cstring>
#include <limits>
#include "ilgen/JitBuilderRecorderBinaryBuffer.hpp"
#include "infra/Assert.hpp"
OMR::JitBuilderRecorderBinaryBuffer::JitBuilderRecorderBinaryBuffer(const TR::MethodBuilder *mb, const char *fileName)
: TR::JitBuilderRecorder(mb, fileName), _buf()
{
}
void
OMR::JitBuilderRecorderBinaryBuffer::Close()
{
TR::JitBuilderRecorder::Close();
}
void
OMR::JitBuilderRecorderBinaryBuffer::String(const char * const string)
{
// length(int16) characters
const size_t len = strlen(string);
const int max = std::numeric_limits<int16_t>::max();
TR_ASSERT_FATAL(len < max, "JBIL: binary String format limited to %d characters", max);
Number((int16_t)len);
for (int16_t i=0;i < len;i++)
_buf.push_back((uint8_t)string[i]);
}
void
OMR::JitBuilderRecorderBinaryBuffer::Number(int8_t num)
{
_buf.push_back(*(uint8_t *)&num);
}
void
OMR::JitBuilderRecorderBinaryBuffer::Number(int16_t num)
{
_buf.push_back((uint8_t)num&0xFF);
_buf.push_back((uint8_t)((num&0xFF00)>>8));
}
void
OMR::JitBuilderRecorderBinaryBuffer::Number(int32_t signedNum)
{
uint32_t *num = (uint32_t *)&signedNum;
uint8_t b0 = (uint8_t) (*num & 0x000000FF);
uint8_t b1 = (uint8_t) ((*num & 0x0000FF00) >> 8);
uint8_t b2 = (uint8_t) ((*num & 0x00FF0000) >> 16);
uint8_t b3 = (uint8_t) ((*num & 0xFF000000) >> 24);
_buf.push_back(b0);
_buf.push_back(b1);
_buf.push_back(b2);
_buf.push_back(b3);
}
void
OMR::JitBuilderRecorderBinaryBuffer::Number(int64_t signedNum)
{
uint64_t *num = (uint64_t *)&signedNum;
uint8_t b0 = (uint8_t) (*num & 0x00000000000000FFUL);
uint8_t b1 = (uint8_t) ((*num & 0x000000000000FF00UL) >> 8);
uint8_t b2 = (uint8_t) ((*num & 0x0000000000FF0000UL) >> 16);
uint8_t b3 = (uint8_t) ((*num & 0x00000000FF000000UL) >> 24);
uint8_t b4 = (uint8_t) ((*num & 0x000000FF00000000UL) >> 32);
uint8_t b5 = (uint8_t) ((*num & 0x0000FF0000000000UL) >> 40);
uint8_t b6 = (uint8_t) ((*num & 0x00FF000000000000UL) >> 48);
uint8_t b7 = (uint8_t) ((*num & 0xFF00000000000000UL) >> 56);
_buf.push_back(b0);
_buf.push_back(b1);
_buf.push_back(b2);
_buf.push_back(b3);
_buf.push_back(b4);
_buf.push_back(b5);
_buf.push_back(b6);
_buf.push_back(b7);
}
void
OMR::JitBuilderRecorderBinaryBuffer::Number(float floatNum)
{
int32_t *num = (int32_t *)&floatNum;
Number(*num);
}
void
OMR::JitBuilderRecorderBinaryBuffer::Number(double doubleNum)
{
int64_t *num = (int64_t *)&doubleNum;
Number(*num);
}
void
OMR::JitBuilderRecorderBinaryBuffer::ID(TypeID id)
{
if (_idSize == 8)
{
// all known IDs fit in 8 bits
uint8_t idUnsigned = (uint8_t)id;
int8_t *num = (int8_t *)&idUnsigned;
Number(*num);
}
else if (_idSize == 16)
{
// all known IDs fit in 16 bits
uint16_t idUnsigned = (uint16_t)id;
int16_t *num = (int16_t *)&idUnsigned;
Number(*num);
}
else if (_idSize == 32)
{
// TypeID can only hold 32-bits so that's the most we'll need
uint32_t idUnsigned = (uint32_t)id;
int32_t *num = (int32_t *)&idUnsigned;
Number(*num);
}
else
TR_ASSERT_FATAL(0, "Unexpected id size value %d", _idSize);
}
void
OMR::JitBuilderRecorderBinaryBuffer::Statement(const char *s)
{
ID(lookupID(s));
}
void
OMR::JitBuilderRecorderBinaryBuffer::Type(const TR::IlType *type)
{
ID(lookupID(type));
}
void
OMR::JitBuilderRecorderBinaryBuffer::Value(const TR::IlValue *v)
{
ID(lookupID(v));
}
void
OMR::JitBuilderRecorderBinaryBuffer::Builder(const TR::IlBuilder *b)
{
ID(lookupID(b));
}
void
OMR::JitBuilderRecorderBinaryBuffer::Location(const void *location)
{
int64_t num = (int64_t)location;
Number(num);
}
void
OMR::JitBuilderRecorderBinaryBuffer::EndStatement()
{
}