--- gforth/fi2c.fs 1998/12/20 23:17:54 1.5 +++ gforth/fi2c.fs 2007/03/25 21:30:59 1.18 @@ -1,6 +1,6 @@ \ Convert image to C include file -\ Copyright (C) 1998 Free Software Foundation, Inc. +\ Copyright (C) 1998,1999,2002,2003 Free Software Foundation, Inc. \ This file is part of Gforth. @@ -16,30 +16,112 @@ \ You should have received a copy of the GNU General Public License \ along with this program; if not, write to the Free Software -\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. + +require string.fs 0 Value image 0 Value bitmap Create magicbuf 8 allot +Create groups 32 0 [DO] 512 cells allocate throw dup 512 cells erase , [LOOP] + +\ we define it ans like... +wordlist Constant target-environment + +\ save information of current dictionary to restore with environ> +Variable env-current + +: >ENVIRON get-current env-current ! target-environment set-current + also target-environment context ! ; +: ENVIRON> previous env-current @ set-current ; + +: t-env? ( addr len -- [ x ] true | false ) +\G returns the content of environment variable and true or +\G false if not present + target-environment search-wordlist + IF EXECUTE true ELSE false THEN ; + +: $has? ( addr u -- x | false ) +\G returns the content of environment variable +\G or false if not present + t-env? dup IF drop THEN ; + +' Value Alias DefaultValue +' Value Alias SetValue + +: kb 1024 * ; + +' noop alias T +' noop alias H + +: has? parse-name 2drop true ; + +include machpc.fs +ENVIRON> + +: prefix? ( string u1 prefix u2 -- flag ) + tuck 2>r umin 2r> str= ; + +s" NULL" groups @ cell+ $! + +: scan-ifs ( fd -- ) >r 1 + BEGIN pad $100 r@ read-line throw WHILE + pad swap + 2dup s" #ifdef HAS_" prefix? >r + 2dup s" #else" prefix? >r + s" #endif" prefix? r> or r> - + + dup 0= UNTIL THEN rdrop drop ; + +: read-groups ( addr u -- ) + r/o open-file throw >r 0 2 + BEGIN pad $100 r@ read-line throw WHILE + pad swap + 2dup s" #ifdef HAS_" prefix? + IF + 11 /string $has? 0= IF r@ scan-ifs THEN + ELSE 2dup s" #else" prefix? + IF r@ scan-ifs + ELSE 2dup s" GROUP(" prefix? + IF 2drop drop 1+ 0 ELSE + 2dup s" INST_ADDR(" prefix? + IF &10 /string 2dup ') scan nip - + 2over cells swap cells groups + @ + $! + 1+ + ELSE 2drop THEN THEN THEN THEN + REPEAT + 2drop r> close-file throw ; +s" prim_lab.i" read-groups + Variable bswap? +Variable endian Variable tchars Variable tcell +Variable au -: bswap ( n -- n' ) bswap? @ 0= ?EXIT 0 - over 24 rshift $FF and or - over 8 rshift $FF00 and or - over 8 lshift $FF0000 and or - over 24 lshift $FF000000 and or nip ; +: t@ ( addr -- x ) + endian @ IF + 0 swap tcell @ bounds ?DO + 8 lshift I c@ or + LOOP + ELSE + 0 swap tcell @ bounds ?DO + 8 rshift I c@ 8 tcell @ 1- * lshift or + LOOP + THEN + dup 1 8 tcell @ * 1- lshift and negate or ; : search-magic ( fd -- ) >r BEGIN magicbuf 8 r@ read-file throw 8 = WHILE - magicbuf s" Gforth" tuck compare 0= UNTIL + magicbuf s" Gforth3" tuck str= UNTIL ELSE true abort" No magic found" THEN - magicbuf 6 + c@ digit? drop tchars ! - magicbuf 7 + c@ digit? drop dup -2 and tcell ! - 1 and 0= [ pad off 1 pad ! pad c@ 1 = ] Literal = bswap? ! + 1 magicbuf 7 + c@ 5 rshift 3 and lshift tchars ! + 1 magicbuf 7 + c@ 1 rshift 3 and lshift tcell ! + 1 magicbuf 7 + c@ 3 rshift 3 and lshift au ! + magicbuf 7 + c@ 1 and 0= dup endian ! + [ pad off 1 pad ! pad c@ 1 = ] Literal = bswap? ! + ." /* Image with " tcell @ . ." bytes cell, " tchars @ . ." bytes per char and " au @ . ." bytes per address unit */" cr rdrop ; Create image-header 4 cells allot @@ -47,28 +129,57 @@ Variable image-cells Variable bitmap-chars : read-header ( fd -- ) - image-header 4 cells rot read-file throw drop - image-header 2 cells + @ bswap tchars @ * - dup cell / image-cells ! 1- 8 cells / 1+ bitmap-chars ! - image-cells @ cells allocate throw to image + image-header 4 tcell @ * rot read-file throw drop + image-header 2 tcell @ * + t@ tchars @ * tcell @ / au @ / + dup image-cells ! 1- 8 / tchars @ / 1+ bitmap-chars ! + image-cells @ tcell @ * allocate throw to image bitmap-chars @ allocate throw to bitmap ; : read-dictionary ( fd -- ) >r - image image-cells @ cells r> read-file throw drop ; + image image-cells @ tcell @ * r> read-file throw drop ; : read-bitmap ( fd -- ) >r - bitmap bitmap-chars @ r> read-file throw drop ; + bitmap bitmap-chars @ tchars @ * r> read-file throw drop ; : .08x ( n -- ) 0 <# tcell @ 0 ?DO # # LOOP 'x hold '0 hold #> type ; : .02x ( n -- ) 0 <# tchars @ 0 ?DO # # LOOP 'x hold '0 hold #> type ; +: bit@ ( addr n -- flag ) + dup 7 and $80 swap rshift >r 3 rshift + c@ r> and + 0<> ; + : .image ( -- ) image-cells @ 0 ?DO - I 4 + I' min I ?DO space image I cells + @ bswap .08x ." ," LOOP cr - 4 +LOOP ; + I 1 + I' min I ?DO space image I tcell @ * + t@ + bitmap I bit@ IF + dup 0< IF + dup -1 = IF + drop ." NULL" + ELSE + negate dup $3E00 and 9 rshift swap $1FF and + over cells groups + @ over $1FF and cells + + dup @ 0= IF drop + 2dup 0 8 d= IF 2drop s" doesjump" + ELSE + <# '] hold 0 #S 2drop '[ hold '] hold + 0 #S '[ hold #> + THEN + ELSE + >r 2drop r> $@ + THEN + ." INST_ADDR(" type ." )" + THEN + ELSE + dup IF ." ((void*)image)+" THEN .08x + THEN + ELSE + ." (void*)" .08x + THEN ." ," + LOOP cr + 1 +LOOP ; : .reloc ( -- ) - bitmap-chars @ 0 ?DO + bitmap-chars @ tchars @ * 0 ?DO I $10 + I' min I ?DO space 0 I tchars @ bounds ?DO 8 lshift bitmap I + c@ + LOOP .02x ." ," tchars @ +LOOP cr @@ -81,15 +192,16 @@ Variable bitmap-chars r@ read-dictionary r@ read-bitmap r> close-file throw ; : .imagesize ( -- ) - image-header 3 cells + @ bswap tcell @ / tchars @ * .08x ; + image-header 3 tcell @ * + t@ tchars @ * tcell @ / au @ / .08x ; : .relocsize ( -- ) - bitmap-chars @ 1- tchars @ / 1+ .08x ; + bitmap-chars @ .08x ; : fi2c ( addr u -- ) base @ >r hex read-image - ." #include " '" emit ." forth.h" '" emit cr - ." Cell image[" .imagesize ." ] = {" cr .image ." };" cr + ." static void* image[" .imagesize ." ] = {" cr .image ." };" cr + ." #ifdef USE_RELOC" cr ." const char reloc_bits[" .relocsize ." ] = {" cr .reloc ." };" cr + ." #endif" cr r> base ! ;