/* Copyright 2011-2021 * Kaz Kylheku * 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. */ #include #include #include #include "config.h" #include "lib.h" #include "stream.h" #include "eval.h" #include "debug.h" int opt_debugger; unsigned debug_state; static val sys_print_backtrace_s; static val dbg_clear(val mask) { val self = lit("dbg-clear"); return unum(debug_clear(c_unum(mask, self))); } static val dbg_set(val mask) { val self = lit("dbg-set"); return unum(debug_set(c_unum(mask, self))); } static val dbg_restore(val state) { val self = lit("dbg-restore"); debug_restore(c_unum(state, self)); return nil; } void debug_init(void) { sys_print_backtrace_s = intern(lit("print-backtrace"), system_package); reg_varl(intern(lit("dbg-enable"), system_package), num_fast(DBG_ENABLE)); reg_varl(intern(lit("dbg-step"), system_package), num_fast(DBG_STEP)); reg_varl(intern(lit("dbg-backtrace"), system_package), num_fast(DBG_BACKTRACE)); reg_varl(intern(lit("dbg-all"), system_package), num_fast(DBG_ALL)); reg_fun(intern(lit("dbg-clear"), system_package), func_n1(dbg_clear)); reg_fun(intern(lit("dbg-set"), system_package), func_n1(dbg_set)); reg_fun(intern(lit("dbg-restore"), system_package), func_n1(dbg_restore)); } void debug_dump_backtrace(val stream, val prefix) { val fb = lookup_fun(nil, sys_print_backtrace_s); if (fb) funcall2(cdr(fb), stream, prefix); else format(nil, lit("~s: no function binding"), sys_print_backtrace_s, nao); }