version 1.31, 2001/04/08 13:48:12
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version 1.46, 2002/11/24 13:54:01
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Line 19
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Line 19
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
*/ |
*/ |
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undefine(`symbols') |
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#include "config.h" |
#include "config.h" |
#include "forth.h" |
#include "forth.h" |
#include <ctype.h> |
#include <ctype.h> |
Line 196 DCell timeval2us(struct timeval *tvp)
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Line 198 DCell timeval2us(struct timeval *tvp)
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#ifdef HAS_FILE |
#ifdef HAS_FILE |
static char* fileattr[6]={"rb","rb","r+b","r+b","wb","wb"}; |
static char* fileattr[6]={"rb","rb","r+b","r+b","wb","wb"}; |
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static char* pfileattr[6]={"r","r","r+","r+","w","w"}; |
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#ifndef O_BINARY |
#ifndef O_BINARY |
#define O_BINARY 0 |
#define O_BINARY 0 |
Line 212 static int ufileattr[6]= {
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Line 215 static int ufileattr[6]= {
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/* conversion on fetch */ |
/* conversion on fetch */ |
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#define vm_Cell2f(x) ((Bool)(x)) |
#define vm_Cell2f(_cell,_x) ((_x)=(Bool)(_cell)) |
#define vm_Cell2c(x) ((Char)(x)) |
#define vm_Cell2c(_cell,_x) ((_x)=(Char)(_cell)) |
#define vm_Cell2n(x) ((Cell)x) |
#define vm_Cell2n(_cell,_x) ((_x)=(Cell)(_cell)) |
#define vm_Cell2w(x) ((Cell)x) |
#define vm_Cell2w(_cell,_x) ((_x)=(Cell)(_cell)) |
#define vm_Cell2u(x) ((UCell)(x)) |
#define vm_Cell2u(_cell,_x) ((_x)=(UCell)(_cell)) |
#define vm_Cell2a_(x) ((Cell *)(x)) |
#define vm_Cell2a_(_cell,_x) ((_x)=(Cell *)(_cell)) |
#define vm_Cell2c_(x) ((Char *)(x)) |
#define vm_Cell2c_(_cell,_x) ((_x)=(Char *)(_cell)) |
#define vm_Cell2f_(x) ((Float *)(x)) |
#define vm_Cell2f_(_cell,_x) ((_x)=(Float *)(_cell)) |
#define vm_Cell2df_(x) ((DFloat *)(x)) |
#define vm_Cell2df_(_cell,_x) ((_x)=(DFloat *)(_cell)) |
#define vm_Cell2sf_(x) ((SFloat *)(x)) |
#define vm_Cell2sf_(_cell,_x) ((_x)=(SFloat *)(_cell)) |
#define vm_Cell2xt(x) ((Xt)(x)) |
#define vm_Cell2xt(_cell,_x) ((_x)=(Xt)(_cell)) |
#define vm_Cell2f83name(x) ((struct F83Name *)(x)) |
#define vm_Cell2f83name(_cell,_x) ((_x)=(struct F83Name *)(_cell)) |
#define vm_Cell2longname(x) ((struct Longname *)(x)) |
#define vm_Cell2longname(_cell,_x) ((_x)=(struct Longname *)(_cell)) |
#define vm_Float2r(x) (x) |
#define vm_Float2r(_float,_x) (_x=_float) |
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/* conversion on store */ |
/* conversion on store */ |
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#define vm_f2Cell(x) ((Cell)(x)) |
#define vm_f2Cell(_x,_cell) ((_cell)=(Cell)(_x)) |
#define vm_c2Cell(x) ((Cell)(x)) |
#define vm_c2Cell(_x,_cell) ((_cell)=(Cell)(_x)) |
#define vm_n2Cell(x) ((Cell)(x)) |
#define vm_n2Cell(_x,_cell) ((_cell)=(Cell)(_x)) |
#define vm_w2Cell(x) ((Cell)(x)) |
#define vm_w2Cell(_x,_cell) ((_cell)=(Cell)(_x)) |
#define vm_u2Cell(x) ((Cell)(x)) |
#define vm_u2Cell(_x,_cell) ((_cell)=(Cell)(_x)) |
#define vm_a_2Cell(x) ((Cell)(x)) |
#define vm_a_2Cell(_x,_cell) ((_cell)=(Cell)(_x)) |
#define vm_c_2Cell(x) ((Cell)(x)) |
#define vm_c_2Cell(_x,_cell) ((_cell)=(Cell)(_x)) |
#define vm_f_2Cell(x) ((Cell)(x)) |
#define vm_f_2Cell(_x,_cell) ((_cell)=(Cell)(_x)) |
#define vm_df_2Cell(x) ((Cell)(x)) |
#define vm_df_2Cell(_x,_cell) ((_cell)=(Cell)(_x)) |
#define vm_sf_2Cell(x) ((Cell)(x)) |
#define vm_sf_2Cell(_x,_cell) ((_cell)=(Cell)(_x)) |
#define vm_xt2Cell(x) ((Cell)(x)) |
#define vm_xt2Cell(_x,_cell) ((_cell)=(Cell)(_x)) |
#define vm_f83name2Cell(x) ((Cell)(x)) |
#define vm_f83name2Cell(_x,_cell) ((_cell)=(Cell)(_x)) |
#define vm_longname2Cell(x) ((Cell)(x)) |
#define vm_longname2Cell(_x,_cell) ((_cell)=(Cell)(_x)) |
#define vm_r2Float(x) (x) |
#define vm_r2Float(_x,_float) (_float=_x) |
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#define vm_Cell2Cell(_x,_y) (_y=_x) |
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#define vm_Cell2Cell(x) (x) |
#ifdef NO_IP |
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#define IMM_ARG(access,value) (VARIANT(value)) |
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#else |
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#define IMM_ARG(access,value) (access) |
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#endif |
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/* if machine.h has not defined explicit registers, define them as implicit */ |
/* if machine.h has not defined explicit registers, define them as implicit */ |
#ifndef IPREG |
#ifndef IPREG |
Line 279 static int ufileattr[6]= {
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Line 288 static int ufileattr[6]= {
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# define CPU_DEP1 0 |
# define CPU_DEP1 0 |
#endif |
#endif |
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/* declare and compute cfa for certain threading variants */ |
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/* warning: this is nonsyntactical; it will not work in place of a statement */ |
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#ifndef GETCFA |
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#define DOCFA |
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#else |
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#define DOCFA Xt cfa; GETCFA(cfa) |
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#endif |
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/* instructions containing these must be the last instruction of a |
/* instructions containing these must be the last instruction of a |
super-instruction (e.g., branches, EXECUTE, and other instructions |
super-instruction (e.g., branches, EXECUTE, and other instructions |
ending the basic block). Instructions containing SET_IP get this |
ending the basic block). Instructions containing SET_IP get this |
Line 299 static int ufileattr[6]= {
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Line 300 static int ufileattr[6]= {
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#else |
#else |
#define SUPER_END |
#define SUPER_END |
#endif |
#endif |
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#define SUPER_CONTINUE |
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#ifdef GFORTH_DEBUGGING |
#ifdef GFORTH_DEBUGGING |
/* define some VM registers as global variables, so they survive exceptions; |
/* define some VM registers as global variables, so they survive exceptions; |
global register variables are not up to the task (according to the |
global register variables are not up to the task (according to the |
GNU C manual) */ |
GNU C manual) */ |
Xt *ip; |
Xt *saved_ip; |
Cell *rp; |
Cell *rp; |
#endif |
#endif |
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#ifdef NO_IP |
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static Label next_code; |
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#endif |
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#ifdef DEBUG |
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#define CFA_TO_NAME(__cfa) \ |
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Cell len, i; \ |
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char * name = __cfa; \ |
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for(i=0; i<32; i+=sizeof(Cell)) { \ |
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len = ((Cell*)name)[-1]; \ |
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if(len < 0) { \ |
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len &= 0x1F; \ |
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if((len+sizeof(Cell)) > i) break; \ |
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} len = 0; \ |
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name -= sizeof(Cell); \ |
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} |
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#endif |
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Xt *primtable(Label symbols[], Cell size) |
Xt *primtable(Label symbols[], Cell size) |
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/* used in primitive primtable for peephole optimization */ |
{ |
{ |
#ifdef DIRECT_THREADED |
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return symbols; |
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#else /* !defined(DIRECT_THREADED) */ |
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Xt *xts = (Xt *)malloc(size*sizeof(Xt)); |
Xt *xts = (Xt *)malloc(size*sizeof(Xt)); |
Cell i; |
Cell i; |
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for (i=0; i<size; i++) |
for (i=0; i<size; i++) |
xts[i] = &symbols[i]; |
xts[i] = &symbols[i]; |
return xts; |
return xts; |
#endif /* !defined(DIRECT_THREADED) */ |
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} |
} |
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Label *engine(Xt *ip0, Cell *sp0, Cell *rp0, Float *fp0, Address lp0) |
define(enginerest, |
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`(Xt *ip0, Cell *sp0, Cell *rp0, Float *fp0, Address lp0) |
/* executes code at ip, if ip!=NULL |
/* executes code at ip, if ip!=NULL |
returns array of machine code labels (for use in a loader), if ip==NULL |
returns array of machine code labels (for use in a loader), if ip==NULL |
*/ |
*/ |
{ |
{ |
#ifndef GFORTH_DEBUGGING |
#ifndef GFORTH_DEBUGGING |
register Xt *ip IPREG; |
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register Cell *rp RPREG; |
register Cell *rp RPREG; |
#endif |
#endif |
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#ifndef NO_IP |
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register Xt *ip IPREG = ip0; |
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#endif |
register Cell *sp SPREG = sp0; |
register Cell *sp SPREG = sp0; |
register Float *fp FPREG = fp0; |
register Float *fp FPREG = fp0; |
register Address lp LPREG = lp0; |
register Address lp LPREG = lp0; |
#ifdef CFA_NEXT |
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register Xt cfa CFAREG; |
register Xt cfa CFAREG; |
#endif |
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#ifdef MORE_VARS |
#ifdef MORE_VARS |
MORE_VARS |
MORE_VARS |
#endif |
#endif |
Line 359 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 377 Label *engine(Xt *ip0, Cell *sp0, Cell *
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(Label)&&dofield, |
(Label)&&dofield, |
(Label)&&dodoes, |
(Label)&&dodoes, |
/* the following entry is normally unused; |
/* the following entry is normally unused; |
it's there because its index indicates a does-handler */ |
it is there because its index indicates a does-handler */ |
CPU_DEP1, |
CPU_DEP1, |
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#define INST_ADDR(name) (Label)&&I_##name |
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#include "prim_lab.i" |
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#undef INST_ADDR |
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(Label)&&after_last, |
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(Label)0, |
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#define INST_ADDR(name) (Label)&&K_##name |
#include "prim_lab.i" |
#include "prim_lab.i" |
(Label)0 |
#undef INST_ADDR |
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#ifdef IN_ENGINE2 |
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#define INST_ADDR(name) (Label)&&J_##name |
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#include "prim_lab.i" |
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#undef INST_ADDR |
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#endif |
}; |
}; |
#ifdef CPU_DEP2 |
#ifdef CPU_DEP2 |
CPU_DEP2 |
CPU_DEP2 |
#endif |
#endif |
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ip = ip0; |
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rp = rp0; |
rp = rp0; |
#ifdef DEBUG |
#ifdef DEBUG |
fprintf(stderr,"ip=%x, sp=%x, rp=%x, fp=%x, lp=%x, up=%x\n", |
fprintf(stderr,"ip=%x, sp=%x, rp=%x, fp=%x, lp=%x, up=%x\n", |
(unsigned)ip,(unsigned)sp,(unsigned)rp, |
(unsigned)ip0,(unsigned)sp,(unsigned)rp, |
(unsigned)fp,(unsigned)lp,(unsigned)up); |
(unsigned)fp,(unsigned)lp,(unsigned)up); |
#endif |
#endif |
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if (ip == NULL) { |
if (ip0 == NULL) { |
#if defined(DOUBLY_INDIRECT) |
#if defined(DOUBLY_INDIRECT) |
#define CODE_OFFSET (22*sizeof(Cell)) |
#define CODE_OFFSET (26*sizeof(Cell)) |
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#define XT_OFFSET (22*sizeof(Cell)) |
int i; |
int i; |
Cell code_offset = offset_image? CODE_OFFSET : 0; |
Cell code_offset = offset_image? CODE_OFFSET : 0; |
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Cell xt_offset = offset_image? XT_OFFSET : 0; |
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symbols = (Label *)(malloc(MAX_SYMBOLS*sizeof(Cell)+CODE_OFFSET)+code_offset); |
symbols = (Label *)(malloc(MAX_SYMBOLS*sizeof(Cell)+CODE_OFFSET)+code_offset); |
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xts = (Label *)(malloc(MAX_SYMBOLS*sizeof(Cell)+XT_OFFSET)+xt_offset); |
for (i=0; i<DOESJUMP+1; i++) |
for (i=0; i<DOESJUMP+1; i++) |
symbols[i] = (Label)routines[i]; |
xts[i] = symbols[i] = (Label)routines[i]; |
for (; routines[i]!=0; i++) { |
for (; routines[i]!=0; i++) { |
if (i>=MAX_SYMBOLS) { |
if (i>=MAX_SYMBOLS) { |
fprintf(stderr,"gforth-ditc: more than %d primitives\n",MAX_SYMBOLS); |
fprintf(stderr,"gforth-ditc: more than %d primitives\n",MAX_SYMBOLS); |
exit(1); |
exit(1); |
} |
} |
symbols[i] = &routines[i]; |
xts[i] = symbols[i] = &routines[i]; |
} |
} |
#endif /* defined(DOUBLY_INDIRECT) */ |
#endif /* defined(DOUBLY_INDIRECT) */ |
return symbols; |
return symbols; |
Line 399 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 430 Label *engine(Xt *ip0, Cell *sp0, Cell *
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IF_spTOS(spTOS = sp[0]); |
IF_spTOS(spTOS = sp[0]); |
IF_fpTOS(fpTOS = fp[0]); |
IF_fpTOS(fpTOS = fp[0]); |
/* prep_terminal(); */ |
/* prep_terminal(); */ |
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#ifdef NO_IP |
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goto *(*(Label *)ip0); |
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#else |
SET_IP(ip); |
SET_IP(ip); |
SUPER_END; /* count the first block, too */ |
SUPER_END; /* count the first block, too */ |
NEXT; |
NEXT; |
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#endif |
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#ifdef CPU_DEP3 |
#ifdef CPU_DEP3 |
CPU_DEP3 |
CPU_DEP3 |
Line 410 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 444 Label *engine(Xt *ip0, Cell *sp0, Cell *
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docol: |
docol: |
{ |
{ |
DOCFA; |
#ifdef NO_IP |
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*--rp = next_code; |
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goto **(Label *)PFA1(cfa); |
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#else |
#ifdef DEBUG |
#ifdef DEBUG |
fprintf(stderr,"%08lx: col: %08lx\n",(Cell)ip,(Cell)PFA1(cfa)); |
{ |
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CFA_TO_NAME(cfa); |
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fprintf(stderr,"%08lx: col: %08lx %.*s\n",(Cell)ip,(Cell)PFA1(cfa), |
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len,name); |
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} |
#endif |
#endif |
#ifdef CISC_NEXT |
#ifdef CISC_NEXT |
/* this is the simple version */ |
/* this is the simple version */ |
Line 432 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 473 Label *engine(Xt *ip0, Cell *sp0, Cell *
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NEXT_P2; |
NEXT_P2; |
} |
} |
#endif |
#endif |
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#endif |
} |
} |
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docon: |
docon: |
{ |
{ |
DOCFA; |
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#ifdef DEBUG |
#ifdef DEBUG |
fprintf(stderr,"%08lx: con: %08lx\n",(Cell)ip,*(Cell*)PFA1(cfa)); |
fprintf(stderr,"%08lx: con: %08lx\n",(Cell)ip,*(Cell*)PFA1(cfa)); |
#endif |
#endif |
Line 447 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 488 Label *engine(Xt *ip0, Cell *sp0, Cell *
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*--sp = *(Cell *)PFA1(cfa); |
*--sp = *(Cell *)PFA1(cfa); |
#endif |
#endif |
} |
} |
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#ifdef NO_IP |
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goto *next_code; |
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#else |
NEXT_P0; |
NEXT_P0; |
NEXT; |
NEXT; |
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#endif |
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dovar: |
dovar: |
{ |
{ |
DOCFA; |
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#ifdef DEBUG |
#ifdef DEBUG |
fprintf(stderr,"%08lx: var: %08lx\n",(Cell)ip,(Cell)PFA1(cfa)); |
fprintf(stderr,"%08lx: var: %08lx\n",(Cell)ip,(Cell)PFA1(cfa)); |
#endif |
#endif |
Line 463 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 507 Label *engine(Xt *ip0, Cell *sp0, Cell *
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*--sp = (Cell)PFA1(cfa); |
*--sp = (Cell)PFA1(cfa); |
#endif |
#endif |
} |
} |
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#ifdef NO_IP |
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goto *next_code; |
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#else |
NEXT_P0; |
NEXT_P0; |
NEXT; |
NEXT; |
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#endif |
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douser: |
douser: |
{ |
{ |
DOCFA; |
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#ifdef DEBUG |
#ifdef DEBUG |
fprintf(stderr,"%08lx: user: %08lx\n",(Cell)ip,(Cell)PFA1(cfa)); |
fprintf(stderr,"%08lx: user: %08lx\n",(Cell)ip,(Cell)PFA1(cfa)); |
#endif |
#endif |
Line 479 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 526 Label *engine(Xt *ip0, Cell *sp0, Cell *
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*--sp = (Cell)(up+*(Cell*)PFA1(cfa)); |
*--sp = (Cell)(up+*(Cell*)PFA1(cfa)); |
#endif |
#endif |
} |
} |
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#ifdef NO_IP |
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goto *next_code; |
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#else |
NEXT_P0; |
NEXT_P0; |
NEXT; |
NEXT; |
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#endif |
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dodefer: |
dodefer: |
{ |
{ |
DOCFA; |
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#ifdef DEBUG |
#ifdef DEBUG |
fprintf(stderr,"%08lx: defer: %08lx\n",(Cell)ip,*(Cell*)PFA1(cfa)); |
fprintf(stderr,"%08lx: defer: %08lx\n",(Cell)ip,*(Cell*)PFA1(cfa)); |
#endif |
#endif |
Line 494 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 544 Label *engine(Xt *ip0, Cell *sp0, Cell *
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dofield: |
dofield: |
{ |
{ |
DOCFA; |
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#ifdef DEBUG |
#ifdef DEBUG |
fprintf(stderr,"%08lx: field: %08lx\n",(Cell)ip,(Cell)PFA1(cfa)); |
fprintf(stderr,"%08lx: field: %08lx\n",(Cell)ip,(Cell)PFA1(cfa)); |
#endif |
#endif |
spTOS += *(Cell*)PFA1(cfa); |
spTOS += *(Cell*)PFA1(cfa); |
} |
} |
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#ifdef NO_IP |
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goto *next_code; |
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#else |
NEXT_P0; |
NEXT_P0; |
NEXT; |
NEXT; |
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#endif |
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dodoes: |
dodoes: |
/* this assumes the following structure: |
/* this assumes the following structure: |
Line 521 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 574 Label *engine(Xt *ip0, Cell *sp0, Cell *
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pfa: |
pfa: |
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*/ |
*/ |
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#ifdef NO_IP |
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*--rp = next_code; |
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IF_spTOS(spTOS = sp[0]); |
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sp--; |
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spTOS = (Cell)PFA(cfa); |
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goto **(Label *)DOES_CODE1(cfa); |
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#else |
{ |
{ |
DOCFA; |
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/* fprintf(stderr, "Got CFA %08lx at doescode %08lx/%08lx: does: %08lx\n",cfa,(Cell)ip,(Cell)PFA(cfa),(Cell)DOES_CODE1(cfa));*/ |
/* fprintf(stderr, "Got CFA %08lx at doescode %08lx/%08lx: does: %08lx\n",cfa,(Cell)ip,(Cell)PFA(cfa),(Cell)DOES_CODE1(cfa));*/ |
#ifdef DEBUG |
#ifdef DEBUG |
fprintf(stderr,"%08lx/%08lx: does: %08lx\n",(Cell)ip,(Cell)PFA(cfa),(Cell)DOES_CODE1(cfa)); |
fprintf(stderr,"%08lx/%08lx: does: %08lx\n",(Cell)ip,(Cell)PFA(cfa),(Cell)DOES_CODE1(cfa)); |
Line 542 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 600 Label *engine(Xt *ip0, Cell *sp0, Cell *
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/* fprintf(stderr,"TOS = %08lx, IP=%08lx\n", spTOS, IP);*/ |
/* fprintf(stderr,"TOS = %08lx, IP=%08lx\n", spTOS, IP);*/ |
} |
} |
NEXT; |
NEXT; |
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#endif |
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#ifndef IN_ENGINE2 |
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#define LABEL(name) I_##name: |
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#else |
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#define LABEL(name) J_##name: asm(".skip 16"); I_##name: |
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#endif |
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#define LABEL2(name) K_##name: |
#include "prim.i" |
#include "prim.i" |
} |
#undef LABEL |
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after_last: return (Label *)0; |
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/*needed only to get the length of the last primitive */ |
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}' |
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) |
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#define VARIANT(v) (v) |
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#define JUMP(target) goto I_noop |
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Label *engine enginerest |
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#ifndef NO_DYNAMIC |
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#ifdef NO_IP |
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#undef VARIANT |
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#define VARIANT(v) ((v)^0xffffffff) |
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#undef JUMP |
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#define JUMP(target) goto K_lit |
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Label *engine3 enginerest |
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#endif |
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#undef VARIANT |
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#define VARIANT(v) (v) |
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#undef JUMP |
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#define JUMP(target) goto I_noop |
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#define IN_ENGINE2 |
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Label *engine2 enginerest |
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#endif |