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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/trace/runtime/rt_service.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* COPYRIGHT International Business Machines Corp. 2013,2014 */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
#include "../service.H"
#include "../compdesc.H"
#include <limits.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <runtime/interface.h>
namespace TRACE
{
// Value was chosen empirically from trace lengths during the IPL.
static const size_t DEFAULT_TRACE_LENGTH = 128;
Service::Service()
{
}
Service::~Service()
{
// No need to destruct the service.
assert(0);
}
void Service::writeEntry(ComponentDesc* i_td,
trace_hash_val i_hash,
const char * i_fmt,
uint32_t i_line,
uint32_t i_type,
va_list i_args)
{
if (unlikely(i_type == TRACE_DEBUG))
{
if (!i_td->iv_debugEnabled)
{
return;
}
}
size_t compName_len = strnlen(i_td->iv_compName,
sizeof(i_td->iv_compName));
char output[DEFAULT_TRACE_LENGTH];
memcpy(output, i_td->iv_compName, compName_len);
output[compName_len] = ':';
size_t length = vsnprintf(&output[compName_len+1],
DEFAULT_TRACE_LENGTH-(compName_len+1),
i_fmt, i_args);
if (unlikely((compName_len + 1 + length + 1) > DEFAULT_TRACE_LENGTH))
{
char* long_output = new char[compName_len + 1 + length + 1];
memcpy(long_output, i_td->iv_compName, compName_len);
long_output[compName_len] = ':';
vsprintf(&long_output[compName_len+1], i_fmt, i_args);
g_hostInterfaces->puts(long_output);
delete[] long_output;
}
else
{
g_hostInterfaces->puts(output);
}
}
void Service::writeBinEntry(ComponentDesc* i_td,
trace_hash_val i_hash,
const char * i_fmt,
uint32_t i_ine,
const void* i_ptr,
uint32_t i_size,
uint32_t i_type)
{
if (unlikely(i_type == TRACE_DEBUG))
{
if (!i_td->iv_debugEnabled)
{
return;
}
}
size_t compName_len = strnlen(i_td->iv_compName,
sizeof(i_td->iv_compName));
// Output header.
char output[DEFAULT_TRACE_LENGTH];
memcpy(output, i_td->iv_compName, compName_len);
output[compName_len] = ':';
size_t length = vsnprintf(&output[compName_len+1],
DEFAULT_TRACE_LENGTH-(compName_len+1),
i_fmt, NULL);
if(unlikely((compName_len + 1 + length + 1) > DEFAULT_TRACE_LENGTH))
{
char* long_output = new char[compName_len + length + 1];
memcpy(long_output, i_td->iv_compName, compName_len);
long_output[compName_len] = ':';
vsprintf(&long_output[compName_len+1], i_fmt, NULL);
g_hostInterfaces->puts(long_output);
delete[] long_output;
}
else
{
g_hostInterfaces->puts(output);
}
// Output binary data.
// Format is:
// ~[0x0000] 01234567 01234567 01234567 01234567 *012345689abcdef*
static size_t BINARY_FORMAT_LENGTH =
68 + sizeof(ComponentDesc::iv_compName) + 1;
size_t pos = 0;
while (pos < i_size)
{
char bin_output[BINARY_FORMAT_LENGTH];
memcpy(bin_output, i_td->iv_compName, compName_len);
size_t output_pos = compName_len +
sprintf(&bin_output[compName_len],
":~[0x%04hx]", (uint16_t) pos);
for (int i = 0; i < 16; ++i)
{
if ((i % 4) == 0)
{
bin_output[output_pos++] = ' ';
}
if ((pos + i) < i_size)
{
output_pos +=
sprintf(&bin_output[output_pos], "%02x",
((const char*)i_ptr)[pos+i]);
}
else
{
bin_output[output_pos++] = ' ';
bin_output[output_pos++] = ' ';
}
}
for (int i = 0; i < 4; i++)
{
bin_output[output_pos++] = ' ';
}
bin_output[output_pos++] = '*';
for (int i = 0; i < 16; ++i)
{
char ch = ' ';
if ((pos + i) < i_size)
{
ch = ((const char*) i_ptr)[pos+i];
if (!isprint(ch))
{
ch = '.';
}
}
bin_output[output_pos++] = ch;
}
bin_output[output_pos++] = '*';
bin_output[output_pos++] = '\0';
g_hostInterfaces->puts(bin_output);
pos += 16;
}
}
size_t Service::getBuffer(ComponentDesc* i_comp,
void * o_data,
size_t i_size)
{
// No way to get the buffer back in runtime.
return 0;
}
void Service::flushBuffers()
{
// No-op in runtime.
}
}
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