version 1.173, 2005/07/31 20:27:41
|
version 1.187, 2006/01/29 18:34:33
|
Line 1
|
Line 1
|
\ Gforth primitives |
\ Gforth primitives |
|
|
\ Copyright (C) 1995,1996,1997,1998,2000,2003,2004 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005 Free Software Foundation, Inc. |
|
|
\ This file is part of Gforth. |
\ This file is part of Gforth. |
|
|
Line 417 INST_TAIL;
|
Line 417 INST_TAIL;
|
JUMP(a_target); |
JUMP(a_target); |
#else |
#else |
SET_IP((Xt *)a_target); |
SET_IP((Xt *)a_target); |
INST_TAIL; NEXT_P2; |
|
#endif |
#endif |
} |
} else { |
sp--; |
sp--; |
sp[0]=f; |
sp[0]=f; |
SUPER_CONTINUE; |
} |
|
|
?dup-0=-?branch ( #a_target f -- S:... ) new question_dupe_zero_equals_question_branch |
?dup-0=-?branch ( #a_target f -- S:... ) new question_dupe_zero_equals_question_branch |
""The run-time procedure compiled by @code{?DUP-0=-IF}."" |
""The run-time procedure compiled by @code{?DUP-0=-IF}."" |
Line 433 if (f!=0) {
|
Line 432 if (f!=0) {
|
JUMP(a_target); |
JUMP(a_target); |
#else |
#else |
SET_IP((Xt *)a_target); |
SET_IP((Xt *)a_target); |
NEXT; |
|
#endif |
#endif |
} |
} |
SUPER_CONTINUE; |
|
|
|
\+ |
\+ |
\fhas? skiploopprims 0= [IF] |
\fhas? skiploopprims 0= [IF] |
Line 876 division by 2 (note that @code{/} not ne
|
Line 873 division by 2 (note that @code{/} not ne
|
n2 = n1>>1; |
n2 = n1>>1; |
: |
: |
dup MINI and IF 1 ELSE 0 THEN |
dup MINI and IF 1 ELSE 0 THEN |
[ bits/byte cell * 1- ] literal |
[ bits/char cell * 1- ] literal |
0 DO 2* swap dup 2* >r MINI and |
0 DO 2* swap dup 2* >r MINI and |
IF 1 ELSE 0 THEN or r> swap |
IF 1 ELSE 0 THEN or r> swap |
LOOP nip ; |
LOOP nip ; |
Line 1232 useraddr ( #u -- a_addr ) new
|
Line 1229 useraddr ( #u -- a_addr ) new
|
a_addr = (Cell *)(up+u); |
a_addr = (Cell *)(up+u); |
|
|
up! ( a_addr -- ) gforth up_store |
up! ( a_addr -- ) gforth up_store |
UP=up=(char *)a_addr; |
gforth_UP=up=(char *)a_addr; |
: |
: |
up ! ; |
up ! ; |
Variable UP |
Variable UP |
Line 1648 n = key((FILE*)wfileid);
|
Line 1645 n = key((FILE*)wfileid);
|
n = key(stdin); |
n = key(stdin); |
#endif |
#endif |
|
|
key?-file ( wfileid -- n ) facility key_q_file |
key?-file ( wfileid -- n ) gforth key_q_file |
#ifdef HAS_FILE |
#ifdef HAS_FILE |
fflush(stdout); |
fflush(stdout); |
n = key_query((FILE*)wfileid); |
n = key_query((FILE*)wfileid); |
Line 1791 access the stack itself. The stack point
|
Line 1788 access the stack itself. The stack point
|
variables @code{SP} and @code{FP}."" |
variables @code{SP} and @code{FP}."" |
/* This is a first attempt at support for calls to C. This may change in |
/* This is a first attempt at support for calls to C. This may change in |
the future */ |
the future */ |
FP=fp; |
gforth_FP=fp; |
SP=sp; |
gforth_SP=sp; |
((void (*)())w)(); |
((void (*)())w)(); |
sp=SP; |
sp=gforth_SP; |
fp=FP; |
fp=gforth_FP; |
|
|
\+ |
\+ |
\+file |
\+file |
Line 2005 dsystem = DZERO;
|
Line 2002 dsystem = DZERO;
|
comparisons(f, r1 r2, f_, r1, r2, gforth, gforth, float, gforth) |
comparisons(f, r1 r2, f_, r1, r2, gforth, gforth, float, gforth) |
comparisons(f0, r, f_zero_, r, 0., float, gforth, float, gforth) |
comparisons(f0, r, f_zero_, r, 0., float, gforth, float, gforth) |
|
|
|
s>f ( n -- r ) float s_to_f |
|
r = n; |
|
|
d>f ( d -- r ) float d_to_f |
d>f ( d -- r ) float d_to_f |
#ifdef BUGGY_LL_D2F |
#ifdef BUGGY_LL_D2F |
extern double ldexp(double x, int exp); |
extern double ldexp(double x, int exp); |
Line 2025 f>d ( r -- d ) float f_to_d
|
Line 2025 f>d ( r -- d ) float f_to_d
|
extern DCell double2ll(Float r); |
extern DCell double2ll(Float r); |
d = double2ll(r); |
d = double2ll(r); |
|
|
|
f>s ( r -- n ) float f_to_s |
|
n = (Cell)r; |
|
|
f! ( r f_addr -- ) float f_store |
f! ( r f_addr -- ) float f_store |
""Store @i{r} into the float at address @i{f-addr}."" |
""Store @i{r} into the float at address @i{f-addr}."" |
*f_addr = r; |
*f_addr = r; |
Line 2083 f** ( r1 r2 -- r3 ) float-ext f_star_sta
|
Line 2086 f** ( r1 r2 -- r3 ) float-ext f_star_sta
|
""@i{r3} is @i{r1} raised to the @i{r2}th power."" |
""@i{r3} is @i{r1} raised to the @i{r2}th power."" |
r3 = pow(r1,r2); |
r3 = pow(r1,r2); |
|
|
|
fm* ( r1 n -- r2 ) gforth fm_star |
|
r2 = r1*n; |
|
|
|
fm/ ( r1 n -- r2 ) gforth fm_slash |
|
r2 = r1/n; |
|
|
|
fm*/ ( r1 n1 n2 -- r2 ) gforth fm_star_slash |
|
r2 = (r1*n1)/n2; |
|
|
|
f**2 ( r1 -- r2 ) gforth fm_square |
|
r2 = r1*r1; |
|
|
fnegate ( r1 -- r2 ) float f_negate |
fnegate ( r1 -- r2 ) float f_negate |
r2 = - r1; |
r2 = - r1; |
|
|
Line 2425 u3 = 0;
|
Line 2440 u3 = 0;
|
#endif |
#endif |
|
|
wcall ( ... u -- ... ) gforth |
wcall ( ... u -- ... ) gforth |
FP=fp; |
gforth_FP=fp; |
sp=(Cell*)(SYSCALL(Cell*(*)(Cell *, void *))u)(sp, &FP); |
sp=(Cell*)(SYSCALL(Cell*(*)(Cell *, void *))u)(sp, &gforth_FP); |
fp=FP; |
fp=gforth_FP; |
|
|
|
uw@ ( c_addr -- u ) gforth u_w_fetch |
|
""@i{u} is the zero-extended 16-bit value stored at @i{c_addr}."" |
|
u = *(UWyde*)(c_addr); |
|
|
|
sw@ ( c_addr -- n ) gforth s_w_fetch |
|
""@i{n} is the sign-extended 16-bit value stored at @i{c_addr}."" |
|
n = *(Wyde*)(c_addr); |
|
|
|
w! ( w c_addr -- ) gforth w_store |
|
""Store the bottom 16 bits of @i{w} at @i{c_addr}."" |
|
*(Wyde*)(c_addr) = w; |
|
|
|
ul@ ( c_addr -- u ) gforth u_l_fetch |
|
""@i{u} is the zero-extended 32-bit value stored at @i{c_addr}."" |
|
u = *(UTetrabyte*)(c_addr); |
|
|
|
sl@ ( c_addr -- n ) gforth s_l_fetch |
|
""@i{n} is the sign-extended 32-bit value stored at @i{c_addr}."" |
|
n = *(Tetrabyte*)(c_addr); |
|
|
|
l! ( w c_addr -- ) gforth l_store |
|
""Store the bottom 32 bits of @i{w} at @i{c_addr}."" |
|
*(Tetrabyte*)(c_addr) = w; |
|
|
\+FFCALL |
\+FFCALL |
|
|
Line 2532 REST_REGS
|
Line 2571 REST_REGS
|
c_addr = prv; |
c_addr = prv; |
|
|
alloc-callback ( a_ip -- c_addr ) gforth alloc_callback |
alloc-callback ( a_ip -- c_addr ) gforth alloc_callback |
c_addr = (char *)alloc_callback(engine_callback, (Xt *)a_ip); |
c_addr = (char *)alloc_callback(gforth_callback, (Xt *)a_ip); |
|
|
va-start-void ( -- ) gforth va_start_void |
va-start-void ( -- ) gforth va_start_void |
va_start_void(clist); |
va_start_void(clist); |
Line 2601 va_return_double(clist, r);
|
Line 2640 va_return_double(clist, r);
|
return 0; |
return 0; |
|
|
\+ |
\+ |
|
|
|
\+LIBFFI |
|
|
|
ffi-type ( n -- a_type ) gforth ffi_type |
|
static void* ffi_types[] = |
|
{ &ffi_type_void, |
|
&ffi_type_uint8, &ffi_type_sint8, |
|
&ffi_type_uint16, &ffi_type_sint16, |
|
&ffi_type_uint32, &ffi_type_sint32, |
|
&ffi_type_uint64, &ffi_type_sint64, |
|
&ffi_type_float, &ffi_type_double, &ffi_type_longdouble, |
|
&ffi_type_pointer }; |
|
a_type = ffi_types[n]; |
|
|
|
ffi-size ( n1 -- n2 ) gforth ffi_size |
|
static int ffi_sizes[] = |
|
{ sizeof(ffi_cif), sizeof(ffi_closure) }; |
|
n2 = ffi_sizes[n1]; |
|
|
|
ffi-prep-cif ( a_atypes n a_rtype a_cif -- w ) gforth ffi_prep_cif |
|
w = ffi_prep_cif(a_cif, FFI_DEFAULT_ABI, n, a_rtype, a_atypes); |
|
|
|
ffi-call ( a_avalues a_rvalue a_ip a_cif -- ) gforth ffi_call |
|
SAVE_REGS |
|
ffi_call(a_cif, a_ip, a_rvalue, a_avalues); |
|
REST_REGS |
|
|
|
ffi-prep-closure ( a_ip a_cif a_closure -- w ) gforth ffi_prep_closure |
|
w = ffi_prep_closure(a_closure, a_cif, gforth_callback, a_ip); |
|
|
|
ffi-2@ ( a_addr -- d ) gforth ffi_2fetch |
|
#ifdef BUGGY_LONG_LONG |
|
DLO_IS(d, (Cell*)(*a_addr)); |
|
DHI_IS(d, 0); |
|
#else |
|
d = *(DCell*)(a_addr); |
|
#endif |
|
|
|
ffi-2! ( d a_addr -- ) gforth ffi_2store |
|
#ifdef BUGGY_LONG_LONG |
|
*(Cell*)(a_addr) = DLO(d); |
|
#else |
|
*(DCell*)(a_addr) = d; |
|
#endif |
|
|
|
ffi-arg-int ( -- w ) gforth ffi_arg_int |
|
w = *(int *)(*clist++); |
|
|
|
ffi-arg-longlong ( -- d ) gforth ffi_arg_longlong |
|
#ifdef BUGGY_LONG_LONG |
|
DLO_IS(d, (Cell*)(*clist++)); |
|
DHI_IS(d, 0); |
|
#else |
|
d = *(DCell*)(*clist++); |
|
#endif |
|
|
|
ffi-arg-ptr ( -- c_addr ) gforth ffi_arg_ptr |
|
c_addr = *(char **)(*clist++); |
|
|
|
ffi-arg-float ( -- r ) gforth ffi_arg_float |
|
r = *(float*)(*clist++); |
|
|
|
ffi-arg-double ( -- r ) gforth ffi_arg_double |
|
r = *(double*)(*clist++); |
|
|
|
ffi-ret-void ( -- ) gforth ffi_ret_void |
|
return 0; |
|
|
|
ffi-ret-int ( w -- ) gforth ffi_ret_int |
|
*(int*)(ritem) = w; |
|
return 0; |
|
|
|
ffi-ret-longlong ( d -- ) gforth ffi_ret_longlong |
|
#ifdef BUGGY_LONG_LONG |
|
*(Cell*)(ritem) = DLO(d); |
|
#else |
|
*(DCell*)(ritem) = d; |
|
#endif |
|
return 0; |
|
|
|
ffi-ret-ptr ( c_addr -- ) gforth ffi_ret_ptr |
|
*(char **)(ritem) = c_addr; |
|
return 0; |
|
|
|
ffi-ret-float ( r -- ) gforth ffi_ret_float |
|
*(float*)(ritem) = r; |
|
return 0; |
|
|
|
ffi-ret-double ( r -- ) gforth ffi_ret_double |
|
*(double*)(ritem) = r; |
|
return 0; |
|
|
|
\+ |
|
|
\+OLDCALL |
\+OLDCALL |
|
|