version 1.224, 2008/02/23 13:03:56
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version 1.264, 2011/12/31 15:29:25
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Line 1
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Line 1
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\ Gforth primitives |
\ Gforth primitives |
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\ Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009,2010,2011 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 229 fprintf(stderr, "dodoes to %x, push %x\n
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Line 229 fprintf(stderr, "dodoes to %x, push %x\n
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SET_IP(DOES_CODE1(CFA)); |
SET_IP(DOES_CODE1(CFA)); |
#endif /* !defined(NO_IP) */ |
#endif /* !defined(NO_IP) */ |
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(does-handler) ( -- ) gforth-internal paren_does_handler |
(doabicode) ( ... -- ...) gforth-internal paren_doabicode |
""just a slot to have an encoding for the DOESJUMP, |
""run-time routine for @code{ABI-code} definitions"" |
which is no longer used anyway (!! eliminate this)"" |
abifunc *f = (abifunc *)PFA(CFA); |
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Float *fp_mem = fp; |
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sp = (*f)(sp, &fp_mem); |
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fp = fp_mem; |
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#ifdef NO_IP |
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INST_TAIL; |
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goto *next_code; |
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#endif /* defined(NO_IP) */ |
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(do;abicode) ( ... -- ... ) gforth-internal paren_do_semicolon_abi_code |
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""run-time routine for @code{;abi-code}-defined words"" |
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Float *fp_mem = fp; |
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Address body = (Address)PFA(CFA); |
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semiabifunc *f = (semiabifunc *)DOES_CODE1(CFA); |
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sp = (*f)(sp, &fp_mem, body); |
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fp = fp_mem; |
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#ifdef NO_IP |
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INST_TAIL; |
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goto *next_code; |
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#endif /* defined(NO_IP) */ |
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\F [endif] |
\F [endif] |
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Line 593 SET_IP((Xt *)a_target);
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Line 612 SET_IP((Xt *)a_target);
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cell+ |
cell+ |
THEN >r ; |
THEN >r ; |
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(try1) ( ... a_oldhandler a_recovery -- R:a_recovery R:a_sp R:f_fp R:c_lp R:a_oldhandler a_newhandler ) gforth paren_try1 |
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a_sp = sp-1; |
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f_fp = fp; |
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c_lp = lp; |
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a_newhandler = rp-5; |
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(throw1) ( ... wball a_handler -- ... wball ) gforth paren_throw1 |
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rp = a_handler; |
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lp = (Address)rp[1]; |
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fp = (Float *)rp[2]; |
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sp = (Cell *)rp[3]; |
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#ifndef NO_IP |
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ip=IP; |
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#endif |
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SUPER_END; |
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VM_JUMP(EXEC1(*(Xt *)rp[4])); |
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\+ |
\+ |
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\ don't make any assumptions where the return stack is!! |
\ don't make any assumptions where the return stack is!! |
Line 1066 lshift ( u1 n -- u2 ) core l_shift
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Line 1103 lshift ( u1 n -- u2 ) core l_shift
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: |
: |
0 ?DO 2* LOOP ; |
0 ?DO 2* LOOP ; |
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umax ( u1 u2 -- u ) core |
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if (u1<u2) |
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u = u2; |
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else |
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u = u1; |
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: |
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2dup u< IF swap THEN drop ; |
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umin ( u1 u2 -- u ) core |
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if (u1<u2) |
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u = u1; |
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else |
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u = u2; |
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: |
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2dup u> IF swap THEN drop ; |
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\g compare |
\g compare |
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\ comparisons(prefix, args, prefix, arg1, arg2, wordsets...) |
\ comparisons(prefix, args, prefix, arg1, arg2, wordsets...) |
Line 1662 ucols=cols;
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Line 1715 ucols=cols;
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wcwidth ( u -- n ) gforth |
wcwidth ( u -- n ) gforth |
""The number of fixed-width characters per unicode character u"" |
""The number of fixed-width characters per unicode character u"" |
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#ifdef HAVE_WCWIDTH |
n = wcwidth(u); |
n = wcwidth(u); |
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#else |
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n = 1; |
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#endif |
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flush-icache ( c_addr u -- ) gforth flush_icache |
flush-icache ( c_addr u -- ) gforth flush_icache |
""Make sure that the instruction cache of the processor (if there is |
""Make sure that the instruction cache of the processor (if there is |
Line 1674 supported on your machine (take a look a
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Line 1731 supported on your machine (take a look a
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your machine has a separate instruction cache. In such cases, |
your machine has a separate instruction cache. In such cases, |
@code{flush-icache} does nothing instead of flushing the instruction |
@code{flush-icache} does nothing instead of flushing the instruction |
cache."" |
cache."" |
FLUSH_ICACHE(c_addr,u); |
FLUSH_ICACHE((caddr_t)c_addr,u); |
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(bye) ( n -- ) gforth paren_bye |
(bye) ( n -- ) gforth paren_bye |
SUPER_END; |
SUPER_END; |
Line 1694 c_addr2 = (Char *)getenv(cstr(c_addr1,u1
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Line 1751 c_addr2 = (Char *)getenv(cstr(c_addr1,u1
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u2 = (c_addr2 == NULL ? 0 : strlen((char *)c_addr2)); |
u2 = (c_addr2 == NULL ? 0 : strlen((char *)c_addr2)); |
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open-pipe ( c_addr u wfam -- wfileid wior ) gforth open_pipe |
open-pipe ( c_addr u wfam -- wfileid wior ) gforth open_pipe |
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fflush(stdout); |
wfileid=(Cell)popen(cstr(c_addr,u,1),pfileattr[wfam]); /* ~ expansion of 1st arg? */ |
wfileid=(Cell)popen(cstr(c_addr,u,1),pfileattr[wfam]); /* ~ expansion of 1st arg? */ |
wior = IOR(wfileid==0); /* !! the man page says that errno is not set reliably */ |
wior = IOR(wfileid==0); /* !! the man page says that errno is not set reliably */ |
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Line 1762 if (a_addr1==NULL)
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Line 1820 if (a_addr1==NULL)
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else |
else |
a_addr2 = (Cell *)realloc(a_addr1, u); |
a_addr2 = (Cell *)realloc(a_addr1, u); |
wior = IOR(a_addr2==NULL); /* !! Define a return code */ |
wior = IOR(a_addr2==NULL); /* !! Define a return code */ |
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if (a_addr2==NULL) |
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a_addr2 = a_addr1; |
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strerror ( n -- c_addr u ) gforth |
strerror ( n -- c_addr u ) gforth |
c_addr = (Char *)strerror(n); |
c_addr = (Char *)strerror(n); |
Line 1777 access the stack itself. The stack point
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Line 1837 access the stack itself. The stack point
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variables @code{gforth_SP} and @code{gforth_FP}."" |
variables @code{gforth_SP} and @code{gforth_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 */ |
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IF_fpTOS(fp[0]=fpTOS); |
gforth_FP=fp; |
gforth_FP=fp; |
gforth_SP=sp; |
gforth_SP=sp; |
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gforth_RP=rp; |
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gforth_LP=lp; |
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#ifdef HAS_LINKBACK |
((void (*)())w)(); |
((void (*)())w)(); |
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#else |
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((void (*)(void *))w)(gforth_pointers); |
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#endif |
sp=gforth_SP; |
sp=gforth_SP; |
fp=gforth_FP; |
fp=gforth_FP; |
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rp=gforth_RP; |
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lp=gforth_LP; |
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IF_fpTOS(fpTOS=fp[0]); |
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\+ |
\+ |
\+file |
\+file |
Line 1821 wior = IOR(ftruncate(fileno((FILE *)wfil
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Line 1891 wior = IOR(ftruncate(fileno((FILE *)wfil
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read-file ( c_addr u1 wfileid -- u2 wior ) file read_file |
read-file ( c_addr u1 wfileid -- u2 wior ) file read_file |
/* !! fread does not guarantee enough */ |
/* !! fread does not guarantee enough */ |
u2 = fread(c_addr, sizeof(Char), u1, (FILE *)wfileid); |
u2 = fread(c_addr, sizeof(Char), u1, (FILE *)wfileid); |
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if (u2>0) |
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gf_regetc((FILE *)wfileid); |
wior = FILEIO(u2<u1 && ferror((FILE *)wfileid)); |
wior = FILEIO(u2<u1 && ferror((FILE *)wfileid)); |
/* !! is the value of ferror errno-compatible? */ |
/* !! is the value of ferror errno-compatible? */ |
if (wior) |
if (wior) |
clearerr((FILE *)wfileid); |
clearerr((FILE *)wfileid); |
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(read-line) ( c_addr u1 wfileid -- u2 flag u3 wior ) file paren_read_line |
(read-line) ( c_addr u1 wfileid -- u2 flag u3 wior ) file paren_read_line |
struct Cellquad r = read_line(c_addr, u1, wfileid); |
struct Cellquad r = read_line(c_addr, u1, (FILE *)wfileid); |
u2 = r.n1; |
u2 = r.n1; |
flag = r.n2; |
flag = r.n2; |
u3 = r.n3; |
u3 = r.n3; |
Line 1919 Return an error if this is not possible"
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Line 1991 Return an error if this is not possible"
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wior = IOR(chdir(tilde_cstr(c_addr, u, 1))); |
wior = IOR(chdir(tilde_cstr(c_addr, u, 1))); |
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get-dir ( c_addr1 u1 -- c_addr2 u2 ) gforth get_dir |
get-dir ( c_addr1 u1 -- c_addr2 u2 ) gforth get_dir |
""Store the current directory in the buffer specified by @{c-addr1, u1}. |
""Store the current directory in the buffer specified by @i{c-addr1, u1}. |
If the buffer size is not sufficient, return 0 0"" |
If the buffer size is not sufficient, return 0 0"" |
c_addr2 = (Char *)getcwd((char *)c_addr1, u1); |
c_addr2 = (Char *)getcwd((char *)c_addr1, u1); |
if(c_addr2 != NULL) { |
if(c_addr2 != NULL) { |
Line 1928 if(c_addr2 != NULL) {
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Line 2000 if(c_addr2 != NULL) {
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u2 = 0; |
u2 = 0; |
} |
} |
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=mkdir ( c_addr u wmode -- wior ) gforth equals_mkdir |
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""Create directory @i{c-addr u} with mode @i{wmode}."" |
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wior = IOR(mkdir(tilde_cstr(c_addr,u,1),wmode)); |
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\+ |
\+ |
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newline ( -- c_addr u ) gforth |
newline ( -- c_addr u ) gforth |
Line 1973 duser = timeval2us(&time1);
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Line 2049 duser = timeval2us(&time1);
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dsystem = DZERO; |
dsystem = DZERO; |
#endif |
#endif |
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ntime ( -- dtime ) gforth |
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""Report the current time in nanoseconds since some epoch."" |
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struct timespec time1; |
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#ifdef HAVE_CLOCK_GETTIME |
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clock_gettime(CLOCK_REALTIME,&time1); |
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#else |
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struct timeval time2; |
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gettimeofday(&time2,NULL); |
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time1.tv_sec = time2.tv_sec; |
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time1.tv_nsec = time2.tv_usec*1000; |
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#endif |
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dtime = timespec2ns(&time1); |
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\+ |
\+ |
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\+floating |
\+floating |
Line 2131 int flag;
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Line 2220 int flag;
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int decpt; |
int decpt; |
sig=ecvt(r, u, &decpt, &flag); |
sig=ecvt(r, u, &decpt, &flag); |
n=(r==0. ? 1 : decpt); |
n=(r==0. ? 1 : decpt); |
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flag=signbit(r); /* not all ecvt()s do this as desired */ |
f1=FLAG(flag!=0); |
f1=FLAG(flag!=0); |
f2=FLAG(isdigit((unsigned)(sig[0]))!=0); |
f2=FLAG(isdigit((unsigned)(sig[0]))!=0); |
siglen=strlen((char *)sig); |
siglen=strlen((char *)sig); |
Line 2393 r = fp[u];
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Line 2483 r = fp[u];
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\g syslib |
\g syslib |
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open-lib ( c_addr1 u1 -- u2 ) gforth open_lib |
open-lib ( c_addr1 u1 -- u2 ) gforth open_lib |
#if 1 |
u2 = gforth_dlopen(c_addr1, u1); |
u2 = (UCell)lt_dlopen(cstr(c_addr1, u1, 1)); |
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#elif defined(HAVE_LIBDL) || defined(HAVE_DLOPEN) |
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#ifndef RTLD_GLOBAL |
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#define RTLD_GLOBAL 0 |
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#endif |
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u2=(UCell) dlopen(cstr(c_addr1, u1, 1), RTLD_GLOBAL | RTLD_LAZY); |
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#else |
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# ifdef _WIN32 |
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u2 = (Cell) GetModuleHandle(cstr(c_addr1, u1, 1)); |
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# else |
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#warning Define open-lib! |
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u2 = 0; |
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# endif |
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#endif |
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lib-sym ( c_addr1 u1 u2 -- u3 ) gforth lib_sym |
lib-sym ( c_addr1 u1 u2 -- u3 ) gforth lib_sym |
#if 1 |
#ifdef HAVE_LIBLTDL |
u3 = (UCell) lt_dlsym((lt_dlhandle)u2, cstr(c_addr1, u1, 1)); |
u3 = (UCell) lt_dlsym((lt_dlhandle)u2, cstr(c_addr1, u1, 1)); |
#elif defined(HAVE_LIBDL) || defined(HAVE_DLOPEN) |
#elif defined(HAVE_LIBDL) || defined(HAVE_DLOPEN) |
u3 = (UCell) dlsym((void*)u2,cstr(c_addr1, u1, 1)); |
u3 = (UCell) dlsym((void*)u2,cstr(c_addr1, u1, 1)); |
Line 2452 l! ( w c_addr -- ) gforth l_store
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Line 2528 l! ( w c_addr -- ) gforth l_store
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""Store the bottom 32 bits of @i{w} at @i{c_addr}."" |
""Store the bottom 32 bits of @i{w} at @i{c_addr}."" |
*(Tetrabyte*)(c_addr) = w; |
*(Tetrabyte*)(c_addr) = w; |
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\+FFCALL |
lib-error ( -- c_addr u ) gforth lib_error |
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""Error message for last failed @code{open-lib} or @code{lib-sym}."" |
av-start-void ( c_addr -- ) gforth av_start_void |
#ifdef HAVE_LIBLTDL |
av_start_void(alist, c_addr); |
c_addr = (Char *)lt_dlerror(); |
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u = (c_addr == NULL) ? 0 : strlen((char *)c_addr); |
av-start-int ( c_addr -- ) gforth av_start_int |
#elif defined(HAVE_LIBDL) || defined(HAVE_DLOPEN) |
av_start_int(alist, c_addr, &irv); |
c_addr = dlerror(); |
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u = strlen(c_addr); |
av-start-float ( c_addr -- ) gforth av_start_float |
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av_start_float(alist, c_addr, &frv); |
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av-start-double ( c_addr -- ) gforth av_start_double |
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av_start_double(alist, c_addr, &drv); |
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av-start-longlong ( c_addr -- ) gforth av_start_longlong |
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av_start_longlong(alist, c_addr, &llrv); |
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av-start-ptr ( c_addr -- ) gforth av_start_ptr |
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av_start_ptr(alist, c_addr, void*, &prv); |
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av-int ( w -- ) gforth av_int |
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av_int(alist, w); |
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av-float ( r -- ) gforth av_float |
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av_float(alist, r); |
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av-double ( r -- ) gforth av_double |
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av_double(alist, r); |
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av-longlong ( d -- ) gforth av_longlong |
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#ifdef BUGGY_LL_SIZE |
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av_longlong(alist, DLO(d)); |
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#else |
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av_longlong(alist, d); |
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#endif |
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av-ptr ( c_addr -- ) gforth av_ptr |
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av_ptr(alist, void*, c_addr); |
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av-int-r ( R:w -- ) gforth av_int_r |
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av_int(alist, w); |
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av-float-r ( -- ) gforth av_float_r |
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float r = *(Float*)lp; |
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lp += sizeof(Float); |
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av_float(alist, r); |
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av-double-r ( -- ) gforth av_double_r |
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double r = *(Float*)lp; |
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lp += sizeof(Float); |
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av_double(alist, r); |
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av-longlong-r ( R:d -- ) gforth av_longlong_r |
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#ifdef BUGGY_LL_SIZE |
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av_longlong(alist, DLO(d)); |
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#else |
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av_longlong(alist, d); |
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#endif |
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av-ptr-r ( R:c_addr -- ) gforth av_ptr_r |
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av_ptr(alist, void*, c_addr); |
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av-call-void ( ... -- ... ) gforth av_call_void |
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SAVE_REGS |
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av_call(alist); |
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REST_REGS |
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av-call-int ( ... -- ... w ) gforth av_call_int |
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SAVE_REGS |
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av_call(alist); |
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REST_REGS |
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w = irv; |
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av-call-float ( ... -- ... r ) gforth av_call_float |
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SAVE_REGS |
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av_call(alist); |
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REST_REGS |
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r = frv; |
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av-call-double ( ... -- ... r ) gforth av_call_double |
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SAVE_REGS |
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av_call(alist); |
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REST_REGS |
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r = drv; |
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av-call-longlong ( ... -- ... d ) gforth av_call_longlong |
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SAVE_REGS |
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av_call(alist); |
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REST_REGS |
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#ifdef BUGGY_LONG_LONG |
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DLO_IS(d, llrv); |
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DHI_IS(d, 0); |
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#else |
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d = llrv; |
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#endif |
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av-call-ptr ( ... -- ... c_addr ) gforth av_call_ptr |
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SAVE_REGS |
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av_call(alist); |
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REST_REGS |
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c_addr = prv; |
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alloc-callback ( a_ip -- c_addr ) gforth alloc_callback |
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c_addr = (char *)alloc_callback(gforth_callback, (Xt *)a_ip); |
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va-start-void ( -- ) gforth va_start_void |
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va_start_void(gforth_clist); |
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va-start-int ( -- ) gforth va_start_int |
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va_start_int(gforth_clist); |
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va-start-longlong ( -- ) gforth va_start_longlong |
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va_start_longlong(gforth_clist); |
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va-start-ptr ( -- ) gforth va_start_ptr |
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va_start_ptr(gforth_clist, (char *)); |
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va-start-float ( -- ) gforth va_start_float |
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va_start_float(gforth_clist); |
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va-start-double ( -- ) gforth va_start_double |
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va_start_double(gforth_clist); |
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va-arg-int ( -- w ) gforth va_arg_int |
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w = va_arg_int(gforth_clist); |
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va-arg-longlong ( -- d ) gforth va_arg_longlong |
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#ifdef BUGGY_LONG_LONG |
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DLO_IS(d, va_arg_longlong(gforth_clist)); |
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DHI_IS(d, 0); |
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#else |
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d = va_arg_longlong(gforth_clist); |
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#endif |
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va-arg-ptr ( -- c_addr ) gforth va_arg_ptr |
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c_addr = (char *)va_arg_ptr(gforth_clist,char*); |
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va-arg-float ( -- r ) gforth va_arg_float |
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r = va_arg_float(gforth_clist); |
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va-arg-double ( -- r ) gforth va_arg_double |
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r = va_arg_double(gforth_clist); |
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va-return-void ( -- ) gforth va_return_void |
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va_return_void(gforth_clist); |
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return 0; |
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va-return-int ( w -- ) gforth va_return_int |
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va_return_int(gforth_clist, w); |
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return 0; |
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va-return-ptr ( c_addr -- ) gforth va_return_ptr |
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va_return_ptr(gforth_clist, void *, c_addr); |
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return 0; |
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va-return-longlong ( d -- ) gforth va_return_longlong |
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#ifdef BUGGY_LONG_LONG |
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va_return_longlong(gforth_clist, d.lo); |
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#else |
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va_return_longlong(gforth_clist, d); |
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#endif |
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return 0; |
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va-return-float ( r -- ) gforth va_return_float |
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va_return_float(gforth_clist, r); |
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return 0; |
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va-return-double ( r -- ) gforth va_return_double |
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va_return_double(gforth_clist, r); |
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return 0; |
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\+ |
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\+LIBFFI |
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ffi-type ( n -- a_type ) gforth ffi_type |
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static void* ffi_types[] = |
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{ &ffi_type_void, |
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&ffi_type_uint8, &ffi_type_sint8, |
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&ffi_type_uint16, &ffi_type_sint16, |
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&ffi_type_uint32, &ffi_type_sint32, |
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&ffi_type_uint64, &ffi_type_sint64, |
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&ffi_type_float, &ffi_type_double, &ffi_type_longdouble, |
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&ffi_type_pointer }; |
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a_type = ffi_types[n]; |
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ffi-size ( n1 -- n2 ) gforth ffi_size |
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static int ffi_sizes[] = |
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{ sizeof(ffi_cif), sizeof(ffi_closure) }; |
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n2 = ffi_sizes[n1]; |
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ffi-prep-cif ( a_atypes n a_rtype a_cif -- w ) gforth ffi_prep_cif |
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w = ffi_prep_cif((ffi_cif *)a_cif, FFI_DEFAULT_ABI, n, |
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(ffi_type *)a_rtype, (ffi_type **)a_atypes); |
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ffi-call ( a_avalues a_rvalue a_ip a_cif -- ) gforth ffi_call |
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SAVE_REGS |
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ffi_call((ffi_cif *)a_cif, (void(*)())a_ip, (void *)a_rvalue, (void **)a_avalues); |
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REST_REGS |
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ffi-prep-closure ( a_ip a_cif a_closure -- w ) gforth ffi_prep_closure |
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w = ffi_prep_closure((ffi_closure *)a_closure, (ffi_cif *)a_cif, gforth_callback, (void *)a_ip); |
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ffi-2@ ( a_addr -- d ) gforth ffi_2fetch |
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#ifdef BUGGY_LONG_LONG |
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DLO_IS(d, *(Cell*)(*a_addr)); |
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DHI_IS(d, 0); |
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#else |
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d = *(DCell*)(a_addr); |
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#endif |
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ffi-2! ( d a_addr -- ) gforth ffi_2store |
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#ifdef BUGGY_LONG_LONG |
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*(Cell*)(a_addr) = DLO(d); |
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#else |
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*(DCell*)(a_addr) = d; |
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#endif |
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ffi-arg-int ( -- w ) gforth ffi_arg_int |
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w = *(int *)(*gforth_clist++); |
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ffi-arg-long ( -- w ) gforth ffi_arg_long |
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w = *(long *)(*gforth_clist++); |
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ffi-arg-longlong ( -- d ) gforth ffi_arg_longlong |
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#ifdef BUGGY_LONG_LONG |
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DLO_IS(d, *(Cell*)(*gforth_clist++)); |
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DHI_IS(d, -(*(Cell*)(*gforth_clist++)<0)); |
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#else |
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d = *(DCell*)(*gforth_clist++); |
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#endif |
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ffi-arg-dlong ( -- d ) gforth ffi_arg_dlong |
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#ifdef BUGGY_LONG_LONG |
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DLO_IS(d, *(Cell*)(*gforth_clist++)); |
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DHI_IS(d, -(*(Cell*)(*gforth_clist++)<0)); |
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#else |
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d = *(Cell*)(*gforth_clist++); |
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#endif |
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ffi-arg-ptr ( -- c_addr ) gforth ffi_arg_ptr |
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c_addr = *(Char **)(*gforth_clist++); |
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ffi-arg-float ( -- r ) gforth ffi_arg_float |
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r = *(float*)(*gforth_clist++); |
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ffi-arg-double ( -- r ) gforth ffi_arg_double |
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r = *(double*)(*gforth_clist++); |
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ffi-ret-void ( -- ) gforth ffi_ret_void |
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return 0; |
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ffi-ret-int ( w -- ) gforth ffi_ret_int |
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*(int*)(gforth_ritem) = w; |
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return 0; |
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ffi-ret-longlong ( d -- ) gforth ffi_ret_longlong |
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#ifdef BUGGY_LONG_LONG |
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*(Cell*)(gforth_ritem) = DLO(d); |
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#else |
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*(DCell*)(gforth_ritem) = d; |
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#endif |
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return 0; |
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ffi-ret-dlong ( d -- ) gforth ffi_ret_dlong |
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#ifdef BUGGY_LONG_LONG |
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*(Cell*)(gforth_ritem) = DLO(d); |
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#else |
#else |
*(Cell*)(gforth_ritem) = d; |
c_addr = "libltdl is not configured"; |
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u = strlen(c_addr); |
#endif |
#endif |
return 0; |
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ffi-ret-long ( n -- ) gforth ffi_ret_long |
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*(Cell*)(gforth_ritem) = n; |
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return 0; |
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ffi-ret-ptr ( c_addr -- ) gforth ffi_ret_ptr |
be-w! ( w c_addr -- ) gforth w_store_be |
*(Char **)(gforth_ritem) = c_addr; |
""Store the bottom 16 bits of @i{w} at @i{c_addr} in big endian format."" |
return 0; |
c_addr[0] = w >> 8; |
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c_addr[1] = w; |
ffi-ret-float ( r -- ) gforth ffi_ret_float |
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*(float*)(gforth_ritem) = r; |
be-l! ( w c_addr -- ) gforth l_store_be |
return 0; |
""Store the bottom 32 bits of @i{w} at @i{c_addr} in big endian format."" |
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c_addr[0] = w >> 24; |
ffi-ret-double ( r -- ) gforth ffi_ret_double |
c_addr[1] = w >> 16; |
*(double*)(gforth_ritem) = r; |
c_addr[2] = w >> 8; |
return 0; |
c_addr[3] = w; |
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le-w! ( w c_addr -- ) gforth w_store_le |
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""Store the bottom 16 bits of @i{w} at @i{c_addr} in big endian format."" |
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c_addr[1] = w >> 8; |
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c_addr[0] = w; |
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le-l! ( w c_addr -- ) gforth l_store_le |
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""Store the bottom 32 bits of @i{w} at @i{c_addr} in big endian format."" |
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c_addr[3] = w >> 24; |
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c_addr[2] = w >> 16; |
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c_addr[1] = w >> 8; |
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c_addr[0] = w; |
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be-uw@ ( c_addr -- u ) gforth w_fetch_be |
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""@i{u} is the zero-extended 16-bit big endian value stored at @i{c_addr}."" |
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u = (c_addr[0] << 8) | (c_addr[1]); |
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be-ul@ ( c_addr -- u ) gforth l_fetch_be |
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""@i{u} is the zero-extended 32-bit big endian value stored at @i{c_addr}."" |
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u = (c_addr[0] << 24) | (c_addr[1] << 16) | (c_addr[2] << 8) | (c_addr[3]); |
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le-uw@ ( c_addr -- u ) gforth w_fetch_le |
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""@i{u} is the zero-extended 16-bit little endian value stored at @i{c_addr}."" |
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u = (c_addr[1] << 8) | (c_addr[0]); |
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le-ul@ ( c_addr -- u ) gforth l_fetch_le |
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""@i{u} is the zero-extended 32-bit little endian value stored at @i{c_addr}."" |
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u = (c_addr[3] << 24) | (c_addr[2] << 16) | (c_addr[1] << 8) | (c_addr[0]); |
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\+64bit |
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x! ( w c_addr -- ) gforth x_store |
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""Store the bottom 64 bits of @i{w} at 64-bit-aligned @i{c_addr}."" |
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*(UOctabyte *)c_addr = w; |
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ux@ ( c_addr -- u ) gforth u_x_fetch |
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""@i{u} is the zero-extended 64-bit value stored at 64-bit-aligned @i{c_addr}."" |
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u = *(UOctabyte *)c_addr; |
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sx@ ( c_addr -- n ) gforth s_x_fetch |
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""@i{u} is the sign-extended 64-bit value stored at 64-bit-aligned @i{c_addr}."" |
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n = *(Octabyte *)c_addr; |
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be-x! ( w c_addr -- ) gforth b_e_x_store |
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""Store the bottom 64 bits of @i{w} at @i{c_addr} in big endian format."" |
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c_addr[0] = w >> 56; |
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c_addr[1] = w >> 48; |
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c_addr[2] = w >> 40; |
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c_addr[3] = w >> 32; |
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c_addr[4] = w >> 24; |
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c_addr[5] = w >> 16; |
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c_addr[6] = w >> 8; |
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c_addr[7] = w; |
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le-x! ( w c_addr -- ) gforth l_e_x_store |
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""Store the bottom 64 bits of @i{w} at @i{c_addr} in big endian format."" |
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c_addr[7] = w >> 56; |
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c_addr[6] = w >> 48; |
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c_addr[5] = w >> 40; |
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c_addr[4] = w >> 32; |
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c_addr[3] = w >> 24; |
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c_addr[2] = w >> 16; |
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c_addr[1] = w >> 8; |
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c_addr[0] = w; |
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be-ux@ ( c_addr -- u ) gforth b_e_u_x_fetch |
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""@i{u} is the zero-extended 64-bit big endian value stored at @i{c_addr}."" |
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u = (((Cell)(c_addr[0]) << 56) | |
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((Cell)(c_addr[1]) << 48) | |
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((Cell)(c_addr[2]) << 40) | |
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((Cell)(c_addr[3]) << 32) | |
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((Cell)(c_addr[4]) << 24) | |
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((Cell)(c_addr[5]) << 16) | |
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((Cell)(c_addr[6]) << 8) | |
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((Cell)(c_addr[7]))); |
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le-ux@ ( c_addr -- u ) gforth l_e_u_x_fetch |
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""@i{u} is the zero-extended 64-bit little endian value stored at @i{c_addr}."" |
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u = (((Cell)(c_addr[7]) << 56) | |
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((Cell)(c_addr[6]) << 48) | |
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((Cell)(c_addr[5]) << 40) | |
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((Cell)(c_addr[4]) << 32) | |
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((Cell)(c_addr[3]) << 24) | |
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((Cell)(c_addr[2]) << 16) | |
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((Cell)(c_addr[1]) << 8) | |
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((Cell)(c_addr[0]))); |
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\+ |
\+ |
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\+OLDCALL |
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define(`uploop', |
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`pushdef(`$1', `$2')_uploop(`$1', `$2', `$3', `$4', `$5')`'popdef(`$1')') |
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define(`_uploop', |
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`ifelse($1, `$3', `$5', |
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`$4`'define(`$1', incr($1))_uploop(`$1', `$2', `$3', `$4', `$5')')') |
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\ argflist(argnum): Forth argument list |
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define(argflist, |
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`ifelse($1, 0, `', |
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`uploop(`_i', 1, $1, ``u''`_i ', ``u''`_i')')') |
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\ argdlist(argnum): declare C's arguments |
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define(argdlist, |
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`ifelse($1, 0, `', |
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`uploop(`_i', 1, $1, `Cell, ', `Cell')')') |
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\ argclist(argnum): pass C's arguments |
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define(argclist, |
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`ifelse($1, 0, `', |
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`uploop(`_i', 1, $1, ``u''`_i, ', ``u''`_i')')') |
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\ icall(argnum) |
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define(icall, |
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`icall$1 ( argflist($1) u -- uret ) gforth |
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uret = (SYSCALL(Cell(*)(argdlist($1)))u)(argclist($1)); |
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') |
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define(fcall, |
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`fcall$1 ( argflist($1) u -- rret ) gforth |
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rret = (SYSCALL(Float(*)(argdlist($1)))u)(argclist($1)); |
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') |
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\ close ' to keep fontify happy |
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uploop(i, 0, 7, `icall(i)') |
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icall(20) |
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uploop(i, 0, 7, `fcall(i)') |
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fcall(20) |
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\+ |
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lib-error ( -- c_addr u ) gforth lib_error |
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c_addr = lt_dlerror(); |
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u = (c_addr == NULL) ? 0 : strlen(c_addr); |
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\+ |
\+ |
\g peephole |
\g peephole |
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Line 2834 a_addr = groups;
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Line 2687 a_addr = groups;
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\+ |
\+ |
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\g primitive_centric |
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\ primitives for primitive-centric code |
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\ another one is does-exec |
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abi-call ( #a_callee ... -- ... ) gforth-internal abi_call |
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/* primitive for compiled ABI-CODE words */ |
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abifunc *f = (abifunc *)a_callee; |
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Float *fp_mem = fp; |
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sp = (*f)(sp, &fp_mem); |
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fp = fp_mem; |
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;abi-code-exec ( #a_cfa ... -- ... ) gforth-internal semi_abi_code_exec |
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/* primitive for performing ;ABI-CODE words */ |
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Float *fp_mem = fp; |
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semiabifunc *f = (semiabifunc *)DOES_CODE1(a_cfa); |
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Address body = (Address)PFA(a_cfa); |
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sp = (*f)(sp, &fp_mem, body); |
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fp = fp_mem; |
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lit-execute ( #a_addr -- ) new lit_execute |
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/* for ;code and code words; a static superinstruction would be more general, |
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but VM_JUMP is currently not supported there */ |
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#ifndef NO_IP |
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ip=IP; |
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#endif |
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SUPER_END; |
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VM_JUMP(EXEC1((Xt)a_addr)); |
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\g static_super |
\g static_super |
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ifdef(`STACK_CACHE_FILE', |
ifdef(`STACK_CACHE_FILE', |