version 1.119, 2002/01/05 22:58:59
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version 1.138, 2003/03/09 15:16:46
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Line 1
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Line 1
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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 71 H
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Line 72 H
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>CROSS |
>CROSS |
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\ Test against this definitions to find out whether we are cross-compiling |
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\ may be usefull for assemblers |
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0 Constant gforth-cross-indicator |
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\ find out whether we are compiling with gforth |
\ find out whether we are compiling with gforth |
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: defined? bl word find nip ; |
: defined? bl word find nip ; |
Line 249 hex \ the defualt base for the cross
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Line 254 hex \ the defualt base for the cross
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hex |
hex |
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\ FIXME delete` |
\ 1 Constant Cross-Flag \ to check whether assembler compiler plug-ins are |
\ 1 Constant Cross-Flag \ to check whether assembler compiler plug-ins are |
\ for cross-compiling |
\ for cross-compiling |
\ No! we use "[IFUNDEF]" there to find out whether we are target compiling!!! |
\ No! we use "[IFUNDEF]" there to find out whether we are target compiling!!! |
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\ 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 bl word count [ ' target >wordlist ] Literal search-wordlist |
: X ( -- <name> ) |
IF state @ IF compile, |
\G The next word in the input is a target word. |
ELSE execute THEN |
\G Equivalent to T <name> but without permanent |
ELSE -1 ABORT" Cross: access method not supported!" |
\G switch to target dictionary. Used as prefix e.g. for @, !, here etc. |
THEN ; immediate |
bl word count [ ' target >wordlist ] Literal search-wordlist |
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IF state @ IF compile, ELSE execute THEN |
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ELSE -1 ABORT" Cross: access method not supported!" |
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THEN ; immediate |
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\ Begin CROSS COMPILER: |
\ Begin CROSS COMPILER: |
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Line 310 set-order previous
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Line 320 set-order previous
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\ POSTPONE false |
\ POSTPONE false |
THEN ; immediate |
THEN ; immediate |
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: symentry ( adr len taddr -- ) |
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\G Produce a symbol table (an optional symbol address |
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\G map) if wanted |
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[ [IFDEF] fd-symbol-table ] |
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base @ swap hex s>d <# 8 0 DO # LOOP #> fd-symbol-table write-file throw base ! |
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s" :" fd-symbol-table write-file throw |
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fd-symbol-table write-line throw |
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[ [ELSE] ] |
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2drop drop |
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[ [THEN] ] ; |
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\ \ -------------------- source file |
\ \ -------------------- source file |
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decimal |
decimal |
Line 454 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 471 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 491 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 554 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 712 Plugin branchtoresolve, ( branch-addr --
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Line 734 Plugin branchtoresolve, ( branch-addr --
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Plugin branchtomark, ( -- target-addr ) \ marks a branch destination |
Plugin branchtomark, ( -- target-addr ) \ marks a branch destination |
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Plugin colon, ( tcfa -- ) \ compiles call to tcfa at current position |
Plugin colon, ( tcfa -- ) \ compiles call to tcfa at current position |
Plugin xt, ( tcfa -- ) \ compiles xt |
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Plugin prim, ( tcfa -- ) \ compiles primitive invocation |
Plugin prim, ( tcfa -- ) \ compiles primitive invocation |
Plugin colonmark, ( -- addr ) \ marks a colon call |
Plugin colonmark, ( -- addr ) \ marks a colon call |
Plugin colon-resolve ( tcfa addr -- ) |
Plugin colon-resolve ( tcfa addr -- ) |
Line 746 Plugin next, ( for-token )
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Line 767 Plugin next, ( for-token )
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Plugin leave, ( -- ) |
Plugin leave, ( -- ) |
Plugin ?leave, ( -- ) |
Plugin ?leave, ( -- ) |
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[IFUNDEF] ca>native |
Plugin ca>native \ Convert a code address to the processors |
Plugin ca>native |
\ native address. This is used in doprim, and |
[THEN] |
\ code/code: primitive definitions word to |
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\ convert the addresses. |
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\ The only target where we need this is the misc |
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\ which is a 16 Bit processor with word addresses |
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\ but the forth system we build has a normal byte |
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\ addressed memory model |
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Plugin doprim, \ compiles start of a primitive |
Plugin doprim, \ compiles start of a primitive |
Plugin docol, \ compiles start of a colon definition |
Plugin docol, \ compiles start of a colon definition |
Line 899 Variable cross-space-dp-orig
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Line 925 Variable cross-space-dp-orig
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THEN ; |
THEN ; |
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Defer is-forward |
Defer is-forward |
Defer do-refered |
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: prim-forward ( ghost -- ) |
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colonmark, 0 do-refered ; \ compile space for call |
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: doer-forward ( ghost -- ) |
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colonmark, 2 do-refered ; \ compile space for doer |
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' prim-forward IS is-forward |
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: (ghostheader) ( -- ) |
: (ghostheader) ( -- ) |
ghost-list linked <fwd> , 0 , ['] NoExec , what's is-forward , |
ghost-list linked <fwd> , 0 , ['] NoExec , ['] is-forward , |
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , ; |
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , ; |
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: ghostheader ( -- ) (ghostheader) 0 , ; |
: ghostheader ( -- ) (ghostheader) 0 , ; |
Line 1085 Ghost lit-perform drop
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Line 1104 Ghost lit-perform drop
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Ghost lit+ drop |
Ghost lit+ drop |
Ghost does-exec drop |
Ghost does-exec drop |
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' doer-forward IS is-forward |
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Ghost :docol Ghost :doesjump Ghost :dodoes 2drop drop |
Ghost :docol Ghost :doesjump Ghost :dodoes 2drop drop |
Ghost :dovar drop |
Ghost :dovar drop |
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' prim-forward IS is-forward |
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\ \ Parameter for target systems 06oct92py |
\ \ Parameter for target systems 06oct92py |
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Line 1159 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 1221 tbits/char bits/byte / Constant tbyte
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Line 1238 tbits/char bits/byte / Constant tbyte
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\ Variables 06oct92py |
\ Variables 06oct92py |
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Variable image |
Variable image |
Variable tlast TNIL tlast ! \ Last name field |
Variable (tlast) |
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(tlast) Value tlast TNIL tlast ! \ Last name field |
Variable tlastcfa \ Last code field |
Variable tlastcfa \ Last code field |
Variable bit$ |
Variable bit$ |
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Line 1245 Variable region-link \ linked
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Line 1263 Variable region-link \ linked
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Variable mirrored-link \ linked list for mirrored regions |
Variable mirrored-link \ linked list for mirrored regions |
0 dup mirrored-link ! region-link ! |
0 dup mirrored-link ! region-link ! |
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: >rname 8 cells + ; |
: >rname 7 cells + ; |
: >rbm 4 cells + ; \ bitfield per cell witch indicates relocation |
: >rbm 4 cells + ; |
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: >rmem 5 cells + ; |
: >rmem 5 cells + ; |
: >rtype 6 cells + ; |
: >rtype 6 cells + ; \ field per cell witch points to a type struct |
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: >rrom 7 cells + ; \ a -1 indicates that this region is rom |
: >rlink 3 cells + ; |
: >rlink 3 cells + ; |
: >rdp 2 cells + ; |
: >rdp 2 cells + ; |
: >rlen cell+ ; |
: >rlen cell+ ; |
Line 1260 Variable mirrored-link \ linked
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Line 1278 Variable mirrored-link \ linked
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>r r@ last-defined-region ! |
>r r@ last-defined-region ! |
r@ >rlen ! dup r@ >rstart ! r> >rdp ! ; |
r@ >rlen ! dup r@ >rstart ! r> >rdp ! ; |
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: region ( addr len -- ) |
: region ( addr len -- "name" ) |
\G create a new region |
\G create a new region |
\ check whether predefined region exists |
\ check whether predefined region exists |
save-input bl word find >r >r restore-input throw r> r> 0= |
save-input bl word find >r >r restore-input throw r> r> 0= |
Line 1269 Variable mirrored-link \ linked
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Line 1287 Variable mirrored-link \ linked
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save-input create restore-input throw |
save-input create restore-input throw |
here last-defined-region ! |
here last-defined-region ! |
over ( startaddr ) , ( length ) , ( dp ) , |
over ( startaddr ) , ( length ) , ( dp ) , |
region-link linked 0 , 0 , 0 , bl word count string, |
region-link linked 0 , 0 , 0 , 0 , bl word count string, |
ELSE \ store new parameters in region |
ELSE \ store new parameters in region |
bl word drop |
bl word drop |
>body (region) |
>body (region) |
Line 1287 Variable mirrored-link \ linked
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Line 1305 Variable mirrored-link \ linked
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\G returns the total area |
\G returns the total area |
dup >rstart @ swap >rlen @ ; |
dup >rstart @ swap >rlen @ ; |
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: mirrored |
: mirrored ( -- ) |
\G mark a region as mirrored |
\G mark last defined region as mirrored |
mirrored-link |
mirrored-link |
align linked last-defined-region @ , ; |
align linked last-defined-region @ , ; |
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: writeprotected |
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\G mark a region as write protected |
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-1 last-defined-region @ >rrom ! ; |
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: .addr ( u -- ) |
: .addr ( u -- ) |
\G prints a 16 or 32 Bit nice hex value |
\G prints a 16 or 32 Bit nice hex value |
base @ >r hex |
base @ >r hex |
Line 1390 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 1419 variable sromdp \ start of rom-area for
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Line 1440 variable sromdp \ start of rom-area for
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[THEN] |
[THEN] |
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0 Value current-region |
0 value tdp |
0 Value tdp |
variable fixed \ flag: true: no automatic switching |
Variable fixed \ flag: true: no automatic switching |
\ false: switching is done automatically |
\ false: switching is done automatically |
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\ Switch-Policy: |
\ Switch-Policy: |
Line 1436 variable constflag constflag off
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Line 1457 variable constflag constflag off
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: activate ( region -- ) |
: activate ( region -- ) |
\G next code goes to this region |
\G next code goes to this region |
>rdp to tdp ; |
dup to current-region >rdp to tdp ; |
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: (switchram) |
: (switchram) |
fixed @ ?EXIT s" rom" T $has? H 0= ?EXIT |
fixed @ ?EXIT s" rom" T $has? H 0= ?EXIT |
Line 1530 bigendian
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Line 1551 bigendian
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2drop 0 ; |
2drop 0 ; |
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: taddr>region-abort ( taddr -- region | 0 ) |
: taddr>region-abort ( taddr -- region | 0 ) |
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\G Same as taddr>region but aborts if taddr is not |
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\G a valid address in the target address space |
dup taddr>region dup 0= |
dup taddr>region dup 0= |
IF drop cr ." Wrong address: " .addr |
IF drop cr ." Wrong address: " .addr |
-1 ABORT" Address out of range!" |
-1 ABORT" Address out of range!" |
Line 1545 bigendian
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Line 1568 bigendian
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\ add regions real address in our memory |
\ add regions real address in our memory |
r> >rmem @ + ; |
r> >rmem @ + ; |
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: (>regionramimage) ( taddr -- 'taddr ) |
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\G same as (>regionimage) but aborts if the region is rom |
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dup |
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\ find region we want to address |
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taddr>region-abort |
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>r |
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r@ >rrom @ ABORT" CROSS: region is write-protected!" |
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\ calculate offset in region |
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r@ >rstart @ - |
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\ add regions real address in our memory |
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r> >rmem @ + ; |
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: (>regionbm) ( taddr -- 'taddr bitmaskbaseaddr ) |
: (>regionbm) ( taddr -- 'taddr bitmaskbaseaddr ) |
dup |
dup |
\ find region we want to address |
\ find region we want to address |
Line 1593 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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Line 1628 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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: (>image) ( taddr -- absaddr ) image @ + ; |
: (>image) ( taddr -- absaddr ) image @ + ; |
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DEFER >image |
DEFER >image |
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DEFER >ramimage |
DEFER relon |
DEFER relon |
DEFER reloff |
DEFER reloff |
DEFER correcter |
DEFER correcter |
Line 1602 T has? relocate H
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Line 1638 T has? relocate H
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' (relon) IS relon |
' (relon) IS relon |
' (reloff) IS reloff |
' (reloff) IS reloff |
' (>regionimage) IS >image |
' (>regionimage) IS >image |
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' (>regionimage) IS >ramimage |
[ELSE] |
[ELSE] |
' drop IS relon |
' drop IS relon |
' drop IS reloff |
' drop IS reloff |
' (>regionimage) IS >image |
' (>regionimage) IS >image |
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' (>regionimage) IS >ramimage |
[THEN] |
[THEN] |
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: enforce-writeprotection ( -- ) |
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['] (>regionramimage) IS >ramimage ; |
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: relax-writeprotection ( -- ) |
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['] (>regionimage) IS >ramimage ; |
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: writeprotection-relaxed? ( -- ) |
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['] >ramimage >body @ ['] (>regionimage) = ; |
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\ Target memory access 06oct92py |
\ Target memory access 06oct92py |
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: align+ ( taddr -- rest ) |
: align+ ( taddr -- rest ) |
Line 1625 T has? relocate H
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Line 1672 T has? relocate H
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dup cfalign+ + ; |
dup cfalign+ + ; |
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: @ ( taddr -- w ) >image S@ ; |
: @ ( taddr -- w ) >image S@ ; |
: ! ( w taddr -- ) >image S! ; |
: ! ( w taddr -- ) >ramimage S! ; |
: c@ ( taddr -- char ) >image Sc@ ; |
: c@ ( taddr -- char ) >image Sc@ ; |
: c! ( char taddr -- ) >image Sc! ; |
: c! ( char taddr -- ) >ramimage Sc! ; |
: 2@ ( taddr -- x1 x2 ) T dup cell+ @ swap @ H ; |
: 2@ ( taddr -- x1 x2 ) T dup cell+ @ swap @ H ; |
: 2! ( x1 x2 taddr -- ) T tuck ! cell+ ! H ; |
: 2! ( x1 x2 taddr -- ) T tuck ! cell+ ! H ; |
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Line 1650 T has? relocate H
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Line 1697 T has? relocate H
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>CROSS |
>CROSS |
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: call-forward ( ghost -- ) |
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there 0 colon, 0 do-refered ; |
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' call-forward IS is-forward |
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Ghost (do) Ghost (?do) 2drop |
Ghost (do) Ghost (?do) 2drop |
Ghost (for) drop |
Ghost (for) drop |
Ghost (loop) Ghost (+loop) 2drop |
Ghost (loop) Ghost (+loop) 2drop |
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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\ ' prim-forward IS is-forward |
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\ user ghosts |
\ user ghosts |
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Ghost state drop |
Ghost state drop |
Line 1691 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 1726 previous
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Line 1769 previous
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>CROSS |
>CROSS |
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: (cc) T a, H ; ' (cc) plugin-of colon, |
: (cc) T a, H ; ' (cc) plugin-of colon, |
: (xt) T a, H ; ' (xt) plugin-of xt, |
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: (prim) T a, H ; ' (prim) plugin-of prim, |
: (prim) T a, H ; ' (prim) plugin-of prim, |
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: (cr) >tempdp colon, tempdp> ; ' (cr) plugin-of colon-resolve |
: (cr) >tempdp colon, tempdp> ; ' (cr) plugin-of colon-resolve |
Line 1740 previous
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Line 1782 previous
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tempdp> ; ' (dr) plugin-of doer-resolve |
tempdp> ; ' (dr) plugin-of doer-resolve |
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: (cm) ( -- addr ) |
: (cm) ( -- addr ) |
T here align H |
there -1 colon, ; ' (cm) plugin-of colonmark, |
-1 xt, ; ' (cm) plugin-of colonmark, |
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>TARGET |
>TARGET |
: compile, ( xt -- ) |
: compile, ( xt -- ) |
Line 1769 previous
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Line 1810 previous
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space> |
space> |
; |
; |
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' (refered) IS do-refered |
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: refered ( ghost tag -- ) |
: refered ( ghost tag -- ) |
\G creates a resolve structure |
\G creates a resolve structure |
T here aligned H swap (refered) |
T here aligned H swap (refered) |
Line 1828 Defer resolve-warning
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Line 1867 Defer resolve-warning
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>link ! ; |
>link ! ; |
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: colon-resolved ( ghost -- ) |
: colon-resolved ( ghost -- ) |
>link @ colon, ; \ compile-call |
\ compiles a call to a colon definition, |
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\ compile action for >comp field |
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>link @ colon, ; |
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: prim-resolved ( ghost -- ) |
: prim-resolved ( ghost -- ) |
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\ compiles a call to a primitive |
>link @ prim, ; |
>link @ prim, ; |
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: (is-forward) ( ghost -- ) |
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colonmark, 0 (refered) ; \ compile space for call |
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' (is-forward) IS is-forward |
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0 Value resolved |
0 Value resolved |
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: resolve ( ghost tcfa -- ) |
: resolve-forward-references ( ghost resolve-list -- ) |
\G resolve referencies to ghost with tcfa |
\ loop through forward referencies |
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comp-state @ >r Resolving comp-state ! |
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over >link @ resolve-loop |
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r> comp-state ! |
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['] noop IS resolve-warning ; |
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: (resolve) ( ghost tcfa -- ghost resolve-list ) |
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\ check for a valid address, it is a primitive reference |
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\ otherwise |
dup taddr>region 0<> IF |
dup taddr>region 0<> IF |
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\ define this address in the region address type table |
2dup (>regiontype) define-addr-struct addr-xt-ghost |
2dup (>regiontype) define-addr-struct addr-xt-ghost |
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\ we define new address only if empty |
\ we define new address only if empty |
\ this is for not to take over the alias ghost |
\ this is for not to take over the alias ghost |
\ (different ghost, but identical xt) |
\ (different ghost, but identical xt) |
\ but the very first that really defines it |
\ but the very first that really defines it |
dup @ 0= IF ! ELSE 2drop THEN |
dup @ 0= IF ! ELSE 2drop THEN |
THEN |
THEN |
|
swap >r |
|
r@ to resolved |
|
|
|
\ r@ >comp @ ['] is-forward = |
|
\ ABORT" >comp action not set on a resolved ghost" |
|
|
|
\ copmile action defaults to colon-resolved |
|
\ if this is not right something must be set before |
|
\ calling resolve |
|
r@ >comp @ ['] is-forward = IF |
|
['] colon-resolved r@ >comp ! |
|
THEN |
|
r@ >link @ swap \ ( list tcfa R: ghost ) |
|
\ mark ghost as resolved |
|
r@ >link ! <res> r@ >magic ! |
|
r> swap ; |
|
|
|
: resolve ( ghost tcfa -- ) |
|
\G resolve referencies to ghost with tcfa |
\ is ghost resolved?, second resolve means another |
\ is ghost resolved?, second resolve means another |
\ definition with the same name |
\ definition with the same name |
over undefined? 0= IF exists EXIT THEN |
over undefined? 0= IF exists EXIT THEN |
\ get linked-list |
(resolve) |
swap >r r@ >link @ swap \ ( list tcfa R: ghost ) |
( ghost resolve-list ) |
\ mark ghost as resolved |
resolve-forward-references ; |
dup r@ >link ! <res> r@ >magic ! |
|
r@ to resolved |
: resolve-noforwards ( ghost tcfa -- ) |
r@ >comp @ ['] prim-forward = IF |
\G Same as resolve but complain if there are any |
['] prim-resolved r@ >comp ! THEN |
\G forward references on this ghost |
r@ >comp @ what's is-forward = IF |
\ is ghost resolved?, second resolve means another |
['] prim-resolved r@ >comp ! THEN |
\ definition with the same name |
\ loop through forward referencies |
over undefined? 0= IF exists EXIT THEN |
r> -rot |
(resolve) |
comp-state @ >r Resolving comp-state ! |
IF cr ." No forward references allowed on: " .ghost cr |
resolve-loop |
-1 ABORT" Illegal forward reference" |
r> comp-state ! |
THEN |
|
drop ; |
['] noop IS resolve-warning |
|
; |
|
|
|
\ gexecute ghost, 01nov92py |
\ gexecute ghost, 01nov92py |
|
|
Line 1874 Defer resolve-warning
|
Line 1946 Defer resolve-warning
|
dup >comp @ EXECUTE ; |
dup >comp @ EXECUTE ; |
|
|
: gexecute ( ghost -- ) |
: gexecute ( ghost -- ) |
dup >magic @ <imm> = IF -1 ABORT" CROSS: gexecute on immediate word" THEN |
dup >magic @ <imm> = ABORT" CROSS: gexecute on immediate word" |
(gexecute) ; |
(gexecute) ; |
|
|
: addr, ( ghost -- ) |
: addr, ( ghost -- ) |
Line 1999 s" kernel.TAGS" r/w create-file throw va
|
Line 2071 s" kernel.TAGS" r/w create-file throw va
|
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 |
|
|
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, |
|
|
Line 2127 Defer setup-execution-semantics
|
Line 2199 Defer setup-execution-semantics
|
\ >in @ cr ." sym:s/CFA=" there 4 0.r ." /" bl word count .sym ." /g" cr >in ! |
\ >in @ cr ." sym:s/CFA=" there 4 0.r ." /" bl word count .sym ." /g" cr >in ! |
HeaderGhost |
HeaderGhost |
\ output symbol table to extra file |
\ output symbol table to extra file |
[ [IFDEF] fd-symbol-table ] |
dup >ghostname there symentry |
base @ hex there s>d <# 8 0 DO # LOOP #> fd-symbol-table write-file throw base ! |
|
s" :" fd-symbol-table write-file throw |
|
dup >ghostname fd-symbol-table write-line throw |
|
[ [THEN] ] |
|
dup Last-Header-Ghost ! dup to lastghost |
dup Last-Header-Ghost ! dup to lastghost |
dup >magic ^imm ! \ a pointer for immediate |
dup >magic ^imm ! \ a pointer for immediate |
alias-mask flag! |
alias-mask flag! |
Line 2187 Defer setup-prim-semantics
|
Line 2255 Defer setup-prim-semantics
|
|
|
: mapprim: ( "forthname" "asmlabel" -- ) |
: mapprim: ( "forthname" "asmlabel" -- ) |
-1 aprim-nr +! aprim-nr @ |
-1 aprim-nr +! aprim-nr @ |
Ghost tuck swap resolve <do:> swap tuck >magic ! |
Ghost tuck swap resolve-noforwards <do:> swap tuck >magic ! |
asmprimname, ; |
asmprimname, ; |
|
|
: Doer: ( cfa -- ) \ name |
: Doer: ( cfa -- ) \ name |
Line 2197 Defer setup-prim-semantics
|
Line 2265 Defer setup-prim-semantics
|
.sourcepos ." needs doer: " >in @ bl word count type >in ! cr |
.sourcepos ." needs doer: " >in @ bl word count type >in ! cr |
THEN |
THEN |
Ghost |
Ghost |
tuck swap resolve <do:> swap >magic ! ; |
tuck swap resolve-noforwards <do:> swap >magic ! ; |
|
|
Variable prim# |
Variable prim# |
: first-primitive ( n -- ) prim# ! ; |
: first-primitive ( n -- ) prim# ! ; |
|
: 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 2208 Variable prim#
|
Line 2277 Variable prim#
|
.sourcepos ." needs prim: " >in @ bl word count type >in ! cr |
.sourcepos ." needs prim: " >in @ bl word count type >in ! cr |
THEN |
THEN |
prim# @ (THeader ( S xt ghost ) |
prim# @ (THeader ( S xt ghost ) |
|
['] prim-resolved over >comp ! |
dup >ghost-flags <primitive> set-flag |
dup >ghost-flags <primitive> set-flag |
over resolve T A, H alias-mask flag! |
over resolve-noforwards T A, H alias-mask flag! |
-1 prim# +! ; |
-1 prim# +! ; |
>CROSS |
>CROSS |
|
|
Line 2289 T 2 cells H Value xt>body
|
Line 2359 T 2 cells H Value xt>body
|
|
|
: (docol,) ( -- ) [G'] :docol (doer,) ; ' (docol,) plugin-of docol, |
: (docol,) ( -- ) [G'] :docol (doer,) ; ' (docol,) plugin-of docol, |
|
|
|
' NOOP plugin-of ca>native |
|
|
: (doprim,) ( -- ) |
: (doprim,) ( -- ) |
there xt>body + ca>native T a, H 1 fillcfa ; ' (doprim,) plugin-of doprim, |
there xt>body + ca>native T a, H 1 fillcfa ; ' (doprim,) plugin-of doprim, |
|
|
Line 2327 Defer (end-code)
|
Line 2399 Defer (end-code)
|
>TARGET |
>TARGET |
: Code |
: Code |
defempty? |
defempty? |
(THeader there resolve |
(THeader ( ghost ) |
|
['] prim-resolved over >comp ! |
|
there resolve-noforwards |
|
|
[ T e? prims H 0= [IF] T e? ITC H [ELSE] true [THEN] ] [IF] |
[ T e? prims H 0= [IF] T e? ITC H [ELSE] true [THEN] ] [IF] |
doprim, |
doprim, |
[THEN] |
[THEN] |
depth (code) ; |
depth (code) ; |
|
|
|
\ FIXME : no-compile -1 ABORT" this ghost is not for compilation" ; |
|
|
: Code: |
: Code: |
defempty? |
defempty? |
Ghost dup there ca>native resolve <do:> swap >magic ! |
Ghost >r |
|
r@ >ghostname there symentry |
|
r@ there ca>native resolve-noforwards |
|
<do:> r@ >magic ! |
|
r> drop |
depth (code) ; |
depth (code) ; |
|
|
: end-code |
: end-code |
Line 2363 Cond: chars ;Cond
|
Line 2444 Cond: chars ;Cond
|
|
|
\ some special literals 27jan97jaw |
\ some special literals 27jan97jaw |
|
|
\ !! Known Bug: Special Literals and plug-ins work only correct |
|
\ on 16 and 32 Bit Targets and 32 Bit Hosts! |
|
|
|
\ This section could be done with dlit, now. But first I need |
|
\ some test code JAW |
|
|
|
Cond: MAXU |
Cond: MAXU |
tcell 1 cells u> |
-1 s>d dlit, |
IF compile lit tcell 0 ?DO FF T c, H LOOP |
|
ELSE ffffffff lit, THEN |
|
;Cond |
;Cond |
|
|
|
tcell 2 = tcell 4 = or tcell 8 = or 0= |
|
[IF] |
|
.( Warning: MINI and MAXI may not work with this host) cr |
|
[THEN] |
|
|
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 |
|
ELSE tcell 1 ?DO 0 T c, H LOOP 80 T c, H |
|
THEN |
|
ELSE tcell 2 = IF 8000 ELSE 80000000 THEN lit, THEN |
|
;Cond |
;Cond |
|
|
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 |
|
THEN |
|
ELSE tcell 2 = IF 7fff ELSE 7fffffff THEN lit, THEN |
|
;Cond |
|
|
|
>CROSS |
>CROSS |
|
|
Line 2504 Cond: [ ( -- ) interpreting-state ;Cond
|
Line 2574 Cond: [ ( -- ) interpreting-state ;Cond
|
: !does ( does-action -- ) |
: !does ( does-action -- ) |
tlastcfa @ [G'] :dovar killref |
tlastcfa @ [G'] :dovar killref |
>space here >r ghostheader space> |
>space here >r ghostheader space> |
|
['] colon-resolved r@ >comp ! |
r@ created >do:ghost ! r@ swap resolve |
r@ created >do:ghost ! r@ swap resolve |
r> tlastcfa @ >tempdp dodoes, tempdp> ; |
r> tlastcfa @ >tempdp dodoes, tempdp> ; |
|
|
Defer instant-interpret-does>-hook |
Defer instant-interpret-does>-hook |
|
|
|
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 ; |
|
[ELSE] |
|
: does-resolved ( ghost -- ) |
|
g>xt T a, H ; |
|
[THEN] |
|
|
: resolve-does>-part ( -- ) |
: resolve-does>-part ( -- ) |
\ resolve words made by builders |
\ resolve words made by builders |
Line 2787 DO: abort" Not in cross mode" ;DO
|
Line 2863 DO: abort" Not in cross mode" ;DO
|
\ this section defines different compilation |
\ this section defines different compilation |
\ actions for created words |
\ actions for created words |
\ this will help the peephole optimizer |
\ this will help the peephole optimizer |
\ I (jaw) took this from bernds lates cross-compiler |
\ I (jaw) took this from bernds latest cross-compiler |
\ changes but seperated it from the original |
\ changes but seperated it from the original |
\ Builder words. The final plan is to put this |
\ Builder words. The final plan is to put this |
\ into a seperate file, together with the peephole |
\ into a seperate file, together with the peephole |
Line 2799 T has? peephole H [IF]
|
Line 2875 T has? peephole H [IF]
|
>CROSS |
>CROSS |
|
|
: (callc) compile call T >body a, H ; ' (callc) plugin-of colon, |
: (callc) compile call T >body a, H ; ' (callc) plugin-of colon, |
|
: (callcm) T here 0 a, 0 a, H ; ' (callcm) plugin-of colonmark, |
: (call-res) >tempdp resolved gexecute tempdp> drop ; |
: (call-res) >tempdp resolved gexecute tempdp> drop ; |
' (call-res) plugin-of colon-resolve |
' (call-res) plugin-of colon-resolve |
: (prim) dup 0< IF $4000 - ELSE |
: (pprim) dup 0< IF $4000 - ELSE |
." wrong usage of (prim) " |
cr ." wrong usage of (prim) " |
dup gdiscover IF .ghost ELSE . THEN cr -2 throw THEN |
dup gdiscover IF .ghost ELSE . THEN cr -1 throw THEN |
T a, H ; ' (prim) plugin-of prim, |
T a, H ; ' (pprim) plugin-of prim, |
|
|
\ if we want this, we have to spilt aconstant |
\ if we want this, we have to spilt aconstant |
\ and constant!! |
\ and constant!! |
Line 2857 compile: does-resolved ;compile
|
Line 2934 compile: does-resolved ;compile
|
|
|
: >mark ( -- sys ) T here ( dup ." M" hex. ) 0 , H ; |
: >mark ( -- sys ) T here ( dup ." M" hex. ) 0 , H ; |
|
|
: branchoffset ( src dest -- ) - tchar / ; \ ?? jaw |
X has? abranch [IF] |
|
: branchoffset ( src dest -- ) drop ; |
: >resolve ( sys -- ) |
: offset, ( n -- ) X A, ; |
X here ( dup ." >" hex. ) over branchoffset swap X ! ; |
[ELSE] |
|
: branchoffset ( src dest -- ) - tchar / ; \ ?? jaw |
: <resolve ( sys -- ) |
: offset, ( n -- ) X , ; |
X here ( dup ." <" hex. ) branchoffset X , ; |
[THEN] |
|
|
: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 2891 compile: does-resolved ;compile
|
Line 2968 compile: does-resolved ;compile
|
|
|
Variable tleavings 0 tleavings ! |
Variable tleavings 0 tleavings ! |
|
|
: (done) ( addr -- ) |
: (done) ( do-addr -- ) |
|
\G resolve branches of leave and ?leave and ?do |
|
\G do-addr is the address of the beginning of our |
|
\G loop so we can take care of nested loops |
tleavings @ |
tleavings @ |
BEGIN dup |
BEGIN dup |
WHILE |
WHILE |
Line 2941 Cond: ?LEAVE ?leave, ;Cond
|
Line 3021 Cond: ?LEAVE ?leave, ;Cond
|
0 DO dup @ swap 1 cells - LOOP |
0 DO dup @ swap 1 cells - LOOP |
free throw ; |
free throw ; |
|
|
: loop] branchto, dup <resolve tcell - (done) ; |
: loop] ( target-addr -- ) |
|
branchto, |
|
dup X here branchoffset offset, |
|
tcell - (done) ; |
|
|
: skiploop] ?dup IF branchto, branchtoresolve, THEN ; |
: skiploop] ?dup IF branchto, branchtoresolve, THEN ; |
|
|
Line 3049 Cond: NEXT 1 ncontrols? next, ;Cond
|
Line 3132 Cond: NEXT 1 ncontrols? next, ;Cond
|
|
|
: ," [char] " parse ht-string, X align ; |
: ," [char] " parse ht-string, X align ; |
|
|
|
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 |
|
[ELSE] |
|
Cond: ." '" parse tuck 2>r ahead, there 2r> ht-mem, X align |
|
>r then, r> compile ALiteral compile Literal compile type ;Cond |
|
Cond: S" '" parse tuck 2>r ahead, there 2r> ht-mem, X align |
|
>r then, r> compile ALiteral compile Literal ;Cond |
|
Cond: C" ahead, there [char] " parse ht-string, X align |
|
>r then, r> compile ALiteral ;Cond |
|
Cond: ABORT" if, ahead, there [char] " parse ht-string, X align |
|
>r then, r> compile ALiteral compile c(abort") then, ;Cond |
|
[THEN] |
|
|
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 3097 Cond: postpone ( -- ) \ name
|
Line 3191 Cond: postpone ( -- ) \ name
|
hex |
hex |
|
|
>CROSS |
>CROSS |
Create magic s" Gforth2x" here over allot swap move |
Create magic s" Gforth3x" here over allot swap move |
|
|
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 3286 Variable outfile-fd
|
Line 3380 Variable outfile-fd
|
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 3373 Create parsed 20 chars allot \ store wor
|
Line 3467 Create parsed 20 chars allot \ store wor
|
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 3431 Cond: [IFUNDEF] postpone [IFUNDEF] ;Cond
|
Line 3525 Cond: [IFUNDEF] postpone [IFUNDEF] ;Cond
|
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 3439 Cond: [IFUNDEF] postpone [IFUNDEF] ;Cond
|
Line 3533 Cond: [IFUNDEF] postpone [IFUNDEF] ;Cond
|
|
|
: d? d? ; |
: d? d? ; |
|
|
|
: \D ( -- "debugswitch" ) |
\G doesn't skip line when debug switch is on |
\G doesn't skip line when debug switch is on |
: \D D? 0= IF postpone \ THEN ; |
D? 0= IF postpone \ THEN ; |
|
|
|
: \- ( -- "wordname" ) |
\G interprets the line if word is not defined |
\G interprets the line if word is not defined |
: \- tdefined? IF postpone \ THEN ; |
tdefined? IF postpone \ THEN ; |
|
|
|
: \+ ( -- "wordname" ) |
\G interprets the line if word is defined |
\G interprets the line if word is defined |
: \+ tdefined? 0= IF postpone \ THEN ; |
tdefined? 0= IF postpone \ THEN ; |
|
|
|
: \? ( -- "envorinstring" ) |
|
\G Skip line if environmental variable evaluates to false |
|
X has? 0= IF postpone \ THEN ; |
|
|
Cond: \- \- ;Cond |
Cond: \- \- ;Cond |
Cond: \+ \+ ;Cond |
Cond: \+ \+ ;Cond |
Cond: \D \D ;Cond |
Cond: \D \D ;Cond |
|
Cond: \? \? ;Cond |
|
|
: ?? bl word find IF execute ELSE drop 0 THEN ; |
: ?? bl word find IF execute ELSE drop 0 THEN ; |
|
|
Line 3519 previous
|
Line 3621 previous
|
: rot rot ; |
: rot rot ; |
: drop drop ; |
: drop drop ; |
: = = ; |
: = = ; |
|
: <> <> ; |
: 0= 0= ; |
: 0= 0= ; |
: lshift lshift ; |
: lshift lshift ; |
: 2/ 2/ ; |
: 2/ 2/ ; |
Line 3556 previous
|
Line 3659 previous
|
: doc-on true to-doc ! ; |
: doc-on true to-doc ! ; |
|
|
: 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 ! ; |
|
|
\ [IFDEF] dbg : dbg dbg ; [THEN] |
\ [IFDEF] dbg : dbg dbg ; [THEN] |
Line 3573 previous
|
Line 3676 previous
|
\ : words also ghosts |
\ : words also ghosts |
\ words previous ; |
\ words previous ; |
: .s .s ; |
: .s .s ; |
|
: depth depth ; |
: bye bye ; |
: bye bye ; |
|
|
\ dummy |
\ dummy |
: group 0 word drop ; |
|
|
|
\ turnkey direction |
\ turnkey direction |
: H forth ; immediate |
: H forth ; immediate |