version 1.29, 2001/03/18 12:39:34
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version 1.38, 2002/01/14 08:40:24
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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" |
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#include "forth.h" |
#include <ctype.h> |
#include <ctype.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <string.h> |
#include <string.h> |
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#include <assert.h> |
#include <assert.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <errno.h> |
#include <errno.h> |
#include "forth.h" |
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#include "io.h" |
#include "io.h" |
#include "threaded.h" |
#include "threaded.h" |
#ifndef STANDALONE |
#ifndef STANDALONE |
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 299 static int ufileattr[6]= {
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Line 302 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; |
Line 308 Xt *ip;
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Line 312 Xt *ip;
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Cell *rp; |
Cell *rp; |
#endif |
#endif |
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Label *engine(Xt *ip0, Cell *sp0, Cell *rp0, Float *fp0, Address lp0) |
#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) |
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{ |
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#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)); |
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Cell i; |
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for (i=0; i<size; i++) |
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xts[i] = &symbols[i]; |
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return xts; |
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#endif /* !defined(DIRECT_THREADED) */ |
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} |
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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 |
*/ |
*/ |
Line 345 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 379 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 |
#include "prim_lab.i" |
#include "prim_lab.i" |
(Label)0 |
#undef INST_ADDR |
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(Label)&&after_last, |
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(Label)0, |
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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 |
Line 364 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 406 Label *engine(Xt *ip0, Cell *sp0, Cell *
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if (ip == NULL) { |
if (ip == 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 398 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 443 Label *engine(Xt *ip0, Cell *sp0, Cell *
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{ |
{ |
DOCFA; |
DOCFA; |
#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 529 Label *engine(Xt *ip0, Cell *sp0, Cell *
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Line 578 Label *engine(Xt *ip0, Cell *sp0, Cell *
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} |
} |
NEXT; |
NEXT; |
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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 |
#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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Label *engine enginerest |
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#define IN_ENGINE2 |
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Label *engine2 enginerest |
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