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\ dis-gdb.fs disassembler using gdb
\
\ Copyright (C) 2004,2007,2008,2010,2011 Free Software Foundation, Inc.
\ This file is part of Gforth.
\ Gforth is free software; you can redistribute it and/or
\ modify it under the terms of the GNU General Public License
\ as published by the Free Software Foundation, either version 3
\ of the License, or (at your option) any later version.
\ This program is distributed in the hope that it will be useful,
\ but WITHOUT ANY WARRANTY; without even the implied warranty of
\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
\ GNU General Public License for more details.
\ You should have received a copy of the GNU General Public License
\ along with this program. If not, see http://www.gnu.org/licenses/.
: append-extend-string ( addr1 u1 addr2 u2 -- addr3 u1+u2 )
\ append string2 to string1 with dynamic memory reallocation.
swap >r dup >r extend-mem ( to addr3 u1+u2 r: addr2 u2 )
rot r> r> rot rot chars move ;
defer gdb-addr-sep-char ( -- c )
',' constant #comma
: check-gdb-syntax ( -- c )
\ gdb-7.0 and earlier do what we want with "disassemble addr1 addr2"
\ gdb-7.1 and later only work with "disaesemble addr1,addr2"
\ try the old syntax to see if it works
s" gdb -ex 'disassemble 0 1' -ex 'quit' 2>/dev/null" r/o open-pipe throw
dup slurp-fid rot close-pipe throw drop
s" Dump of assembler code from" search nip nip if
['] bl
else
['] #comma
then
dup is gdb-addr-sep-char
execute ;
' check-gdb-syntax is gdb-addr-sep-char
: disasm-gdb { addr u -- }
base @ >r hex
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 $file\nset logging on\ndisas " save-mem ( addr u addr1 u1 )
addr 0 <<# gdb-addr-sep-char hold # #s 'x hold # #> append-extend-string #>>
addr u + 0 <<# # #s 'x hold # #> append-extend-string #>>
r> base ! cr
s\" \nset logging off\nquit\n\" >$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
2dup (system) 2swap drop free throw throw if
addr u dump
endif ;
' disasm-gdb is discode
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