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/*
* COPYRIGHT (c) 2012 Chris Johns <chrisj@rtems.org>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
/**
* @file
*
* @ingroup rtems_rtld
*
* @brief RTEMS Run-Time Link Editor Trace
*
* A configurable tracer for the RTL. See the header file for the enable and
* disable.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <string.h>
#include <rtems/rtl/rtl-trace.h>
#if RTEMS_RTL_TRACE
static rtems_rtl_trace_mask rtems_rtl_trace_flags;
bool
rtems_rtl_trace (rtems_rtl_trace_mask mask)
{
bool result = false;
if (mask & rtems_rtl_trace_flags)
result = true;
return result;
}
rtems_rtl_trace_mask
rtems_rtl_trace_set_mask (rtems_rtl_trace_mask mask)
{
rtems_rtl_trace_mask state = rtems_rtl_trace_flags;
rtems_rtl_trace_flags |= mask;
return state;
}
rtems_rtl_trace_mask
rtems_rtl_trace_clear_mask (rtems_rtl_trace_mask mask)
{
rtems_rtl_trace_mask state = rtems_rtl_trace_flags;
rtems_rtl_trace_flags &= ~mask;
return state;
}
int
rtems_rtl_trace_shell_command (const rtems_printer* printer,
int argc,
char* argv[])
{
const char* table[] =
{
"detail",
"warning",
"load",
"unload",
"section",
"symbol",
"reloc",
"global-sym",
"load-sect",
"allocator",
"unresolved",
"cache",
"archives",
"archive-syms",
"dependency",
"bit-alloc"
};
rtems_rtl_trace_mask set_value = 0;
rtems_rtl_trace_mask clear_value = 0;
bool set = true;
int arg;
int t;
for (arg = 1; arg < argc; arg++)
{
if (argv[arg][0] == '-')
{
switch (argv[arg][1])
{
case 'h':
rtems_printf (printer, "usage: %s [-hl] [set/clear] [flags]\n", argv[0]);
return 0;
case 'l':
rtems_printf (printer, "%s: valid flags to set or clear are:\n", argv[0]);
for (t = 0; t < (sizeof (table) / sizeof (const char*)); t++)
rtems_printf (printer, " %s\n", table[t]);
return 0;
default:
rtems_printf (printer, "error: unknown option\n");
return 1;
}
}
else
{
if (strcmp (argv[arg], "set") == 0)
set = true;
if (strcmp (argv[arg], "clear") == 0)
set = false;
else if (strcmp (argv[arg], "all") == 0)
{
if (set)
set_value = RTEMS_RTL_TRACE_ALL;
else
clear_value = RTEMS_RTL_TRACE_ALL;
}
else
{
for (t = 0; t < (sizeof (table) / sizeof (const char*)); t++)
{
if (strcmp (argv[arg], table[t]) == 0)
{
if (set)
set_value = 1 << t;
else
clear_value = 1 << t;
break;
}
}
}
rtems_rtl_trace_flags |= set_value;
rtems_rtl_trace_flags &= ~clear_value;
}
}
return 0;
}
#endif
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