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debug.h
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debug.h
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/* Copyright 2012-2024
* Kaz Kylheku <kaz@kylheku.com>
* Vancouver, Canada
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#define DBG_ENABLE 1
#define DBG_STEP 2
#define DBG_BACKTRACE 4
#define DBG_ALL 7
#if CONFIG_DEBUG_SUPPORT
extern unsigned debug_state;
void debug_init(void);
INLINE unsigned debug_clear(unsigned mask)
{
int ret = debug_state;
debug_state &= ~mask;
return ret;
}
INLINE unsigned debug_set(unsigned mask)
{
int ret = debug_state;
debug_state |= mask;
return ret;
}
INLINE void debug_restore(unsigned state)
{
debug_state = state;
}
void debug_dump_backtrace(val stream, val prefix);
#define dbg_backtrace (debug_state & DBG_BACKTRACE)
#define dbg_fcall_begin(fun, args) \
{ \
uw_frame_t uw_fc; \
args_decl(args_cp, args->argc); \
args_copy(args_cp, args); \
uw_push_fcall(&uw_fc, fun, args_cp)
#define dbg_fcall_end \
uw_pop_frame(&uw_fc); \
}
#else
#define debug_init() ((void) 0)
#define debug_clear(mask) 0
#define debug_set(mask) 0
#define debug_restore(state) ((void) 0)
#define debug_dump_backtrace(stream, prefix) ((void) 0)
#define dbg_backtrace 0
#define dbg_fcall_begin(fun, args) \
{
#define dbg_fcall_end \
}
#endif