version 1.124, 2002/03/21 17:11:10
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version 1.138, 2003/03/09 15:16:46
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\ CROSS.FS The Cross-Compiler 06oct92py |
\ CROSS.FS The Cross-Compiler 06oct92py |
\ Idea and implementation: Bernd Paysan (py) |
\ Idea and implementation: Bernd Paysan (py) |
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\ Copyright (C) 1995,1996,1997,1998,1999,2000 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998,1999,2000,2003 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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Line 27 ToDo:
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Line 27 ToDo:
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cross.fs is used seperately. jaw |
cross.fs is used seperately. jaw |
- Do we need this char translation with >address and in branchoffset? |
- Do we need this char translation with >address and in branchoffset? |
(>body also affected) jaw |
(>body also affected) jaw |
- MAXU etc. can be done with dlit, |
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[THEN] |
[THEN] |
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s" compat/strcomp.fs" included |
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hex |
hex |
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\ debugging for compiling |
\ debugging for compiling |
Line 260 hex
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Line 261 hex
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\ FIXME move down |
\ FIXME move down |
: comment? ( c-addr u -- c-addr u ) |
: comment? ( c-addr u -- c-addr u ) |
2dup s" (" compare 0= |
2dup s" (" str= |
IF postpone ( |
IF postpone ( |
ELSE 2dup s" \" compare 0= IF postpone \ THEN |
ELSE 2dup s" \" str= IF postpone \ THEN |
THEN ; |
THEN ; |
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: X ( -- <name> ) |
: X ( -- <name> ) |
Line 475 sourcepath value fpath
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Line 476 sourcepath value fpath
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2dup 2 u> swap 1+ c@ [char] : = and >r \ dos absoulte: c:/.... |
2dup 2 u> swap 1+ c@ [char] : = and >r \ dos absoulte: c:/.... |
over c@ [char] / = >r |
over c@ [char] / = >r |
over c@ [char] ~ = >r |
over c@ [char] ~ = >r |
\ 2dup 3 min S" ../" compare 0= r> or >r \ not catered for in expandtopic |
\ 2dup S" ../" string-prefix? r> or >r \ not catered for in expandtopic |
2 min S" ./" compare 0= |
S" ./" string-prefix? |
r> r> r> or or or ; |
r> r> r> or or or ; |
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Create ofile 0 c, 255 chars allot |
Create ofile 0 c, 255 chars allot |
Line 492 Create tfile 0 c, 255 chars allot
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Line 493 Create tfile 0 c, 255 chars allot
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REPEAT ; |
REPEAT ; |
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: remove~+ ( -- ) |
: remove~+ ( -- ) |
ofile count 3 min s" ~+/" compare 0= |
ofile count s" ~+/" string-prefix? |
IF |
IF |
ofile count 3 /string ofile place |
ofile count 3 /string ofile place |
THEN ; |
THEN ; |
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: expandtopic ( -- ) \ stack effect correct? - anton |
: expandtopic ( -- ) \ stack effect correct? - anton |
\ expands "./" into an absolute name |
\ expands "./" into an absolute name |
ofile count 2 min s" ./" compare 0= |
ofile count s" ./" string-prefix? |
IF |
IF |
ofile count 1 /string tfile place |
ofile count 1 /string tfile place |
0 ofile c! sourcefilename extractpath ofile place |
0 ofile c! sourcefilename extractpath ofile place |
Line 512 Create tfile 0 c, 255 chars allot
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Line 513 Create tfile 0 c, 255 chars allot
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\ deletes phrases like "xy/.." out of our directory name 2dec97jaw |
\ deletes phrases like "xy/.." out of our directory name 2dec97jaw |
over swap |
over swap |
BEGIN dup WHILE |
BEGIN dup WHILE |
dup >r '/ scan 2dup 4 min s" /../" compare 0= |
dup >r '/ scan 2dup s" /../" string-prefix? |
IF |
IF |
dup r> - >r 4 /string over r> + 4 - |
dup r> - >r 4 /string over r> + 4 - |
swap 2dup + >r move dup r> over - |
swap 2dup + >r move dup r> over - |
Line 575 fpath= ~+
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Line 576 fpath= ~+
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: included? ( c-addr u -- f ) |
: included? ( c-addr u -- f ) |
file-list |
file-list |
BEGIN @ dup |
BEGIN @ dup |
WHILE >r 2dup r@ >fl-name count compare 0= |
WHILE >r 2dup r@ >fl-name count str= |
IF rdrop 2drop true EXIT THEN |
IF rdrop 2drop true EXIT THEN |
r> |
r> |
REPEAT |
REPEAT |
Line 1173 false DefaultValue header
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Line 1174 false DefaultValue header
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false DefaultValue backtrace |
false DefaultValue backtrace |
false DefaultValue new-input |
false DefaultValue new-input |
false DefaultValue peephole |
false DefaultValue peephole |
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false DefaultValue abranch |
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true DefaultValue control-rack |
[THEN] |
[THEN] |
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true DefaultValue interpreter |
true DefaultValue interpreter |
Line 1409 T has? rom H
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Line 1412 T has? rom H
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\ MakeKernel 22feb99jaw |
\ MakeKernel 22feb99jaw |
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: makekernel ( targetsize -- ) |
: makekernel ( start targetsize -- ) |
\G convenience word to setup the memory of the target |
\G convenience word to setup the memory of the target |
\G used by main.fs of the c-engine based systems |
\G used by main.fs of the c-engine based systems |
100 swap dictionary (region) |
dictionary (region) setup-target ; |
setup-target ; |
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>MINIMAL |
>MINIMAL |
: makekernel makekernel ; |
: makekernel makekernel ; |
Line 1701 Ghost (loop) Ghost (+loop)
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Line 1703 Ghost (loop) Ghost (+loop)
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Ghost (next) drop |
Ghost (next) drop |
Ghost (does>) Ghost (compile) 2drop |
Ghost (does>) Ghost (compile) 2drop |
Ghost (.") Ghost (S") Ghost (ABORT") 2drop drop |
Ghost (.") Ghost (S") Ghost (ABORT") 2drop drop |
Ghost (C") drop |
Ghost (C") Ghost c(abort") Ghost type 2drop drop |
Ghost ' drop |
Ghost ' drop |
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\ user ghosts |
\ user ghosts |
Line 1730 Ghost state drop
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Line 1732 Ghost state drop
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: ht-string, ( addr count -- ) |
: ht-string, ( addr count -- ) |
dup there swap last-string 2! |
dup there swap last-string 2! |
dup T c, H bounds ?DO I c@ T c, H LOOP ; |
dup T c, H bounds ?DO I c@ T c, H LOOP ; |
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: ht-mem, ( addr count ) |
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bounds ?DO I c@ T c, H LOOP ; |
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>TARGET |
>TARGET |
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Line 2067 s" kernel.TAGS" r/w create-file throw va
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Line 2071 s" kernel.TAGS" r/w create-file throw va
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s" kernel.tags" r/w create-file throw value vi-tag-file-id |
s" kernel.tags" r/w create-file throw value vi-tag-file-id |
\ contains the file-id of the tags file |
\ contains the file-id of the tags file |
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Create tag-beg 2 c, 7F c, bl c, |
Create tag-beg 1 c, 7F c, |
Create tag-end 2 c, bl c, 01 c, |
Create tag-end 1 c, 01 c, |
Create tag-bof 1 c, 0C c, |
Create tag-bof 1 c, 0C c, |
Create tag-tab 1 c, 09 c, |
Create tag-tab 1 c, 09 c, |
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Line 2265 Defer setup-prim-semantics
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Line 2269 Defer setup-prim-semantics
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Variable prim# |
Variable prim# |
: first-primitive ( n -- ) prim# ! ; |
: first-primitive ( n -- ) prim# ! ; |
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: group 0 word drop prim# @ 1- -$200 and prim# ! ; |
: Primitive ( -- ) \ name |
: Primitive ( -- ) \ name |
>in @ skip? IF drop EXIT THEN >in ! |
>in @ skip? IF drop EXIT THEN >in ! |
s" prims" T $has? H 0= |
s" prims" T $has? H 0= |
Line 2439 Cond: chars ;Cond
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Line 2444 Cond: chars ;Cond
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\ some special literals 27jan97jaw |
\ some special literals 27jan97jaw |
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\ !! Known Bug: Special Literals and plug-ins work only correct |
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\ on 16 and 32 Bit Targets and 32 Bit Hosts! |
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\ This section could be done with dlit, now. But first I need |
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\ some test code JAW |
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Cond: MAXU |
Cond: MAXU |
tcell 1 cells u> |
-1 s>d dlit, |
IF compile lit tcell 0 ?DO FF T c, H LOOP |
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ELSE ffffffff lit, THEN |
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;Cond |
;Cond |
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tcell 2 = tcell 4 = or tcell 8 = or 0= |
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[IF] |
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.( Warning: MINI and MAXI may not work with this host) cr |
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[THEN] |
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Cond: MINI |
Cond: MINI |
tcell 1 cells u> |
tcell 2 = IF $8000 ELSE $80000000 THEN 0 |
IF compile lit bigendian |
tcell 8 = IF swap THEN dlit, |
IF 80 T c, H tcell 1 ?DO 0 T c, H LOOP |
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ELSE tcell 1 ?DO 0 T c, H LOOP 80 T c, H |
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THEN |
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ELSE tcell 2 = IF 8000 ELSE 80000000 THEN lit, THEN |
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;Cond |
;Cond |
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Cond: MAXI |
Cond: MAXI |
tcell 1 cells u> |
tcell 2 = IF $7fff ELSE $7fffffff THEN 0 |
IF compile lit bigendian |
tcell 8 = IF drop -1 swap THEN dlit, |
IF 7F T c, H tcell 1 ?DO FF T c, H LOOP |
;Cond |
ELSE tcell 1 ?DO FF T c, H LOOP 7F T c, H |
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THEN |
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ELSE tcell 2 = IF 7fff ELSE 7fffffff THEN lit, THEN |
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;Cond |
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>CROSS |
>CROSS |
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Line 2586 Cond: [ ( -- ) interpreting-state ;Cond
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Line 2580 Cond: [ ( -- ) interpreting-state ;Cond
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Defer instant-interpret-does>-hook |
Defer instant-interpret-does>-hook |
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T has? peephole H [IF] |
: does-resolved ( ghost -- ) |
: does-resolved ( ghost -- ) |
compile does-exec g>xt T a, H ; |
compile does-exec g>xt T a, H ; |
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[ELSE] |
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: does-resolved ( ghost -- ) |
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g>xt T a, H ; |
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[THEN] |
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: resolve-does>-part ( -- ) |
: resolve-does>-part ( -- ) |
\ resolve words made by builders |
\ resolve words made by builders |
Line 2935 compile: does-resolved ;compile
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Line 2934 compile: does-resolved ;compile
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: >mark ( -- sys ) T here ( dup ." M" hex. ) 0 , H ; |
: >mark ( -- sys ) T here ( dup ." M" hex. ) 0 , H ; |
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: branchoffset ( src dest -- ) - tchar / ; \ ?? jaw |
X has? abranch [IF] |
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: branchoffset ( src dest -- ) drop ; |
: >resolve ( sys -- ) |
: offset, ( n -- ) X A, ; |
X here ( dup ." >" hex. ) over branchoffset swap X ! ; |
[ELSE] |
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: branchoffset ( src dest -- ) - tchar / ; \ ?? jaw |
: <resolve ( sys -- ) |
: offset, ( n -- ) X , ; |
X here ( dup ." <" hex. ) branchoffset X , ; |
[THEN] |
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:noname compile branch X here branchoffset X , ; |
:noname compile branch X here branchoffset offset, ; |
IS branch, ( target-addr -- ) |
IS branch, ( target-addr -- ) |
:noname compile ?branch X here branchoffset X , ; |
:noname compile ?branch X here branchoffset offset, ; |
IS ?branch, ( target-addr -- ) |
IS ?branch, ( target-addr -- ) |
:noname compile branch T here 0 , H ; |
:noname compile branch T here 0 H offset, ; |
IS branchmark, ( -- branchtoken ) |
IS branchmark, ( -- branchtoken ) |
:noname compile ?branch T here 0 , H ; |
:noname compile ?branch T here 0 H offset, ; |
IS ?branchmark, ( -- branchtoken ) |
IS ?branchmark, ( -- branchtoken ) |
:noname T here 0 , H ; |
:noname T here 0 H offset, ; |
IS ?domark, ( -- branchtoken ) |
IS ?domark, ( -- branchtoken ) |
:noname dup X @ ?struc X here over branchoffset swap X ! ; |
:noname dup X @ ?struc X here over branchoffset swap X ! ; |
IS branchtoresolve, ( branchtoken -- ) |
IS branchtoresolve, ( branchtoken -- ) |
Line 2969 compile: does-resolved ;compile
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Line 2968 compile: does-resolved ;compile
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Variable tleavings 0 tleavings ! |
Variable tleavings 0 tleavings ! |
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: (done) ( addr -- ) |
: (done) ( do-addr -- ) |
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\G resolve branches of leave and ?leave and ?do |
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\G do-addr is the address of the beginning of our |
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\G loop so we can take care of nested loops |
tleavings @ |
tleavings @ |
BEGIN dup |
BEGIN dup |
WHILE |
WHILE |
Line 3019 Cond: ?LEAVE ?leave, ;Cond
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Line 3021 Cond: ?LEAVE ?leave, ;Cond
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0 DO dup @ swap 1 cells - LOOP |
0 DO dup @ swap 1 cells - LOOP |
free throw ; |
free throw ; |
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: loop] branchto, dup <resolve tcell - (done) ; |
: loop] ( target-addr -- ) |
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branchto, |
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dup X here branchoffset offset, |
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tcell - (done) ; |
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: skiploop] ?dup IF branchto, branchtoresolve, THEN ; |
: skiploop] ?dup IF branchto, branchtoresolve, THEN ; |
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Line 3127 Cond: NEXT 1 ncontrols? next, ;Cond
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Line 3132 Cond: NEXT 1 ncontrols? next, ;Cond
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: ," [char] " parse ht-string, X align ; |
: ," [char] " parse ht-string, X align ; |
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X has? control-rack [IF] |
Cond: ." compile (.") T ," H ;Cond |
Cond: ." compile (.") T ," H ;Cond |
Cond: S" compile (S") T ," H ;Cond |
Cond: S" compile (S") T ," H ;Cond |
Cond: C" compile (C") T ," H ;Cond |
Cond: C" compile (C") T ," H ;Cond |
Cond: ABORT" compile (ABORT") T ," H ;Cond |
Cond: ABORT" compile (ABORT") T ," H ;Cond |
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[ELSE] |
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Cond: ." '" parse tuck 2>r ahead, there 2r> ht-mem, X align |
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>r then, r> compile ALiteral compile Literal compile type ;Cond |
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Cond: S" '" parse tuck 2>r ahead, there 2r> ht-mem, X align |
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>r then, r> compile ALiteral compile Literal ;Cond |
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Cond: C" ahead, there [char] " parse ht-string, X align |
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>r then, r> compile ALiteral ;Cond |
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Cond: ABORT" if, ahead, there [char] " parse ht-string, X align |
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>r then, r> compile ALiteral compile c(abort") then, ;Cond |
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[THEN] |
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Cond: IS T ' >body H compile ALiteral compile ! ;Cond |
Cond: IS T ' >body H compile ALiteral compile ! ;Cond |
: IS T >address ' >body ! H ; |
: IS T >address ' >body ! H ; |
Line 3175 Cond: postpone ( -- ) \ name
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Line 3191 Cond: postpone ( -- ) \ name
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hex |
hex |
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>CROSS |
>CROSS |
Create magic s" Gforth2x" here over allot swap move |
Create magic s" Gforth3x" here over allot swap move |
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bigendian 1+ \ strangely, in magic big=0, little=1 |
bigendian 1+ \ strangely, in magic big=0, little=1 |
tcell 1 = 0 and or |
tcell 1 = 0 and or |
Line 3364 Variable outfile-fd
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Line 3380 Variable outfile-fd
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dup @ dup IF addr-refs @ THEN |
dup @ dup IF addr-refs @ THEN |
swap >r |
swap >r |
over align+ tuck tcell swap - rshift swap 0 |
over align+ tuck tcell swap - rshift swap 0 |
DO dup 1 and |
?DO dup 1 and |
IF drop rdrop snl-calc UNLOOP EXIT THEN |
IF drop rdrop snl-calc UNLOOP EXIT THEN |
2/ swap 1+ swap |
2/ swap 1+ swap |
LOOP |
LOOP |
Line 3451 Create parsed 20 chars allot \ store wor
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Line 3467 Create parsed 20 chars allot \ store wor
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1 BEGIN |
1 BEGIN |
BEGIN bl word count dup WHILE |
BEGIN bl word count dup WHILE |
comment? 20 umin parsed place upcase parsed count |
comment? 20 umin parsed place upcase parsed count |
2dup s" [IF]" compare 0= >r |
2dup s" [IF]" str= >r |
2dup s" [IFUNDEF]" compare 0= >r |
2dup s" [IFUNDEF]" str= >r |
2dup s" [IFDEF]" compare 0= r> or r> or |
2dup s" [IFDEF]" str= r> or r> or |
IF 2drop 1+ |
IF 2drop 1+ |
ELSE 2dup s" [ELSE]" compare 0= |
ELSE 2dup s" [ELSE]" str= |
IF 2drop 1- dup |
IF 2drop 1- dup |
IF 1+ |
IF 1+ |
THEN |
THEN |
ELSE |
ELSE |
2dup s" [ENDIF]" compare 0= >r |
2dup s" [ENDIF]" str= >r |
s" [THEN]" compare 0= r> or |
s" [THEN]" str= r> or |
IF 1- THEN |
IF 1- THEN |
THEN |
THEN |
THEN |
THEN |
Line 3509 Cond: [IFUNDEF] postpone [IFUNDEF] ;Cond
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Line 3525 Cond: [IFUNDEF] postpone [IFUNDEF] ;Cond
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IF >in ! X : |
IF >in ! X : |
ELSE drop |
ELSE drop |
BEGIN bl word dup c@ |
BEGIN bl word dup c@ |
IF count comment? s" ;" compare 0= ?EXIT |
IF count comment? s" ;" str= ?EXIT |
ELSE refill 0= ABORT" CROSS: Out of Input while C:" |
ELSE refill 0= ABORT" CROSS: Out of Input while C:" |
THEN |
THEN |
AGAIN |
AGAIN |
Line 3643 previous
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Line 3659 previous
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: doc-on true to-doc ! ; |
: doc-on true to-doc ! ; |
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: declareunique ( "name" -- ) |
: declareunique ( "name" -- ) |
\G Sets the unique flag for a ghost. The assembler output |
\ Sets the unique flag for a ghost. The assembler output |
\G generates labels with the ghostname concatenated with the address |
\ generates labels with the ghostname concatenated with the address |
\G while cross-compiling. The address is concatenated |
\ while cross-compiling. The address is concatenated |
\G because we have double occurences of the same name. |
\ because we have double occurences of the same name. |
\G If we want to reference the labels from the assembler or C |
\ If we want to reference the labels from the assembler or C |
\G code we declare them unique, so the address is skipped. |
\ code we declare them unique, so the address is skipped. |
Ghost >ghost-flags dup @ <unique> or swap ! ; |
Ghost >ghost-flags dup @ <unique> or swap ! ; |
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\ [IFDEF] dbg : dbg dbg ; [THEN] |
\ [IFDEF] dbg : dbg dbg ; [THEN] |
Line 3664 previous
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Line 3680 previous
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: bye bye ; |
: bye bye ; |
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\ dummy |
\ dummy |
: group 0 word drop ; |
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\ turnkey direction |
\ turnkey direction |
: H forth ; immediate |
: H forth ; immediate |