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    1: \ dis-gdb.fs	disassembler using gdb
    2: \
    3: \ Copyright (C) 2004,2007,2008 Free Software Foundation, Inc.
    4: 
    5: \ This file is part of Gforth.
    6: 
    7: \ Gforth is free software; you can redistribute it and/or
    8: \ modify it under the terms of the GNU General Public License
    9: \ as published by the Free Software Foundation, either version 3
   10: \ of the License, or (at your option) any later version.
   11: 
   12: \ This program is distributed in the hope that it will be useful,
   13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
   14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   15: \ GNU General Public License for more details.
   16: 
   17: \ You should have received a copy of the GNU General Public License
   18: \ along with this program. If not, see http://www.gnu.org/licenses/.
   19: 
   20: : append-extend-string ( addr1 u1 addr2 u2 -- addr3 u1+u2 )
   21:     \ append string2 to string1 with dynamic memory reallocation.
   22:     swap >r dup >r extend-mem ( to addr3 u1+u2 r: addr2 u2 )
   23:     rot r> r> rot rot chars move ;
   24: 
   25: : disasm-gdb { addr u -- }
   26:     base @ >r hex
   27:     s\" type mktemp >/dev/null && type gdb >/dev/null && file=`mktemp -t gforthdis.XXXXXXXXXX` && file2=`mktemp -t gforthdis.XXXXXXXXXX` && echo \"set verbose off\nset logging file $file\nset logging on\ndisas " save-mem ( addr u addr1 u1 )
   28:     addr 0 <<# bl hold # #s 'x hold # #> append-extend-string #>>
   29:     addr u + 0 <<# # #s 'x hold # #> append-extend-string #>>
   30:     r> base ! cr
   31:     s\" \nset logging off\nquit\n\" >$file2 && gdb -nx -q -p `ps -p $$ -o ppid=` -x $file2 2>/dev/null >/dev/null && rm $file2 && grep -v \"of assembler\" $file && rm $file" append-extend-string
   32:     2dup (system) 2swap drop free throw throw if
   33: 	addr u dump
   34:     endif ;
   35: 
   36: ' disasm-gdb is discode