version 1.232, 2008/08/09 13:24:25
|
version 1.259, 2011/11/21 01:37:12
|
Line 1
|
Line 1
|
\ Gforth primitives |
\ Gforth primitives |
|
|
\ Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009,2010 Free Software Foundation, Inc. |
|
|
\ This file is part of Gforth. |
\ This file is part of Gforth. |
|
|
Line 229 fprintf(stderr, "dodoes to %x, push %x\n
|
Line 229 fprintf(stderr, "dodoes to %x, push %x\n
|
SET_IP(DOES_CODE1(CFA)); |
SET_IP(DOES_CODE1(CFA)); |
#endif /* !defined(NO_IP) */ |
#endif /* !defined(NO_IP) */ |
|
|
(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); |
|
Float *fp_mem = fp; |
|
sp = (*f)(sp, &fp_mem); |
|
fp = fp_mem; |
|
#ifdef NO_IP |
|
INST_TAIL; |
|
goto *next_code; |
|
#endif /* defined(NO_IP) */ |
|
|
|
(do;abicode) ( ... -- ... ) gforth-internal paren_do_semicolon_abi_code |
|
""run-time routine for @code{;abi-code}-defined words"" |
|
Float *fp_mem = fp; |
|
Address body = (Address)PFA(CFA); |
|
semiabifunc *f = (semiabifunc *)DOES_CODE1(CFA); |
|
sp = (*f)(sp, &fp_mem, body); |
|
fp = fp_mem; |
|
#ifdef NO_IP |
|
INST_TAIL; |
|
goto *next_code; |
|
#endif /* defined(NO_IP) */ |
|
|
\F [endif] |
\F [endif] |
|
|
Line 593 SET_IP((Xt *)a_target);
|
Line 612 SET_IP((Xt *)a_target);
|
cell+ |
cell+ |
THEN >r ; |
THEN >r ; |
|
|
|
(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 |
|
a_sp = sp-1; |
|
f_fp = fp; |
|
c_lp = lp; |
|
a_newhandler = rp-5; |
|
|
|
(throw1) ( ... wball a_handler -- ... wball ) gforth paren_throw1 |
|
rp = a_handler; |
|
lp = (Address)rp[1]; |
|
fp = (Float *)rp[2]; |
|
sp = (Cell *)rp[3]; |
|
#ifndef NO_IP |
|
ip=IP; |
|
#endif |
|
SUPER_END; |
|
VM_JUMP(EXEC1(*(Xt *)rp[4])); |
|
|
|
|
\+ |
\+ |
|
|
\ don't make any assumptions where the return stack is!! |
\ don't make any assumptions where the return stack is!! |
Line 1662 ucols=cols;
|
Line 1699 ucols=cols;
|
|
|
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"" |
|
#ifdef HAVE_WCWIDTH |
n = wcwidth(u); |
n = wcwidth(u); |
|
#else |
|
n = 1; |
|
#endif |
|
|
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
|
Line 1715 supported on your machine (take a look a
|
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); |
|
|
(bye) ( n -- ) gforth paren_bye |
(bye) ( n -- ) gforth paren_bye |
SUPER_END; |
SUPER_END; |
Line 1694 c_addr2 = (Char *)getenv(cstr(c_addr1,u1
|
Line 1735 c_addr2 = (Char *)getenv(cstr(c_addr1,u1
|
u2 = (c_addr2 == NULL ? 0 : strlen((char *)c_addr2)); |
u2 = (c_addr2 == NULL ? 0 : strlen((char *)c_addr2)); |
|
|
open-pipe ( c_addr u wfam -- wfileid wior ) gforth open_pipe |
open-pipe ( c_addr u wfam -- wfileid wior ) gforth open_pipe |
|
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 */ |
|
|
Line 1762 if (a_addr1==NULL)
|
Line 1804 if (a_addr1==NULL)
|
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 */ |
|
if (a_addr2==NULL) |
|
a_addr2 = a_addr1; |
|
|
strerror ( n -- c_addr u ) gforth |
strerror ( n -- c_addr u ) gforth |
c_addr = (Char *)strerror(n); |
c_addr = (Char *)strerror(n); |
Line 1782 gforth_FP=fp;
|
Line 1826 gforth_FP=fp;
|
gforth_SP=sp; |
gforth_SP=sp; |
gforth_RP=rp; |
gforth_RP=rp; |
gforth_LP=lp; |
gforth_LP=lp; |
|
#ifdef HAS_LINKBACK |
((void (*)())w)(); |
((void (*)())w)(); |
|
#else |
|
((void (*)(void *))w)(gforth_pointers); |
|
#endif |
sp=gforth_SP; |
sp=gforth_SP; |
fp=gforth_FP; |
fp=gforth_FP; |
rp=gforth_RP; |
rp=gforth_RP; |
Line 1827 wior = IOR(ftruncate(fileno((FILE *)wfil
|
Line 1875 wior = IOR(ftruncate(fileno((FILE *)wfil
|
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); |
|
if (u2>0) |
|
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); |
|
|
(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 1925 Return an error if this is not possible"
|
Line 1975 Return an error if this is not possible"
|
wior = IOR(chdir(tilde_cstr(c_addr, u, 1))); |
wior = IOR(chdir(tilde_cstr(c_addr, u, 1))); |
|
|
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 1934 if(c_addr2 != NULL) {
|
Line 1984 if(c_addr2 != NULL) {
|
u2 = 0; |
u2 = 0; |
} |
} |
|
|
|
=mkdir ( c_addr u wmode -- wior ) gforth equals_mkdir |
|
""Create directory @i{c-addr u} with mode @i{wmode}."" |
|
wior = IOR(mkdir(tilde_cstr(c_addr,u,1),wmode)); |
|
|
\+ |
\+ |
|
|
newline ( -- c_addr u ) gforth |
newline ( -- c_addr u ) gforth |
Line 1979 duser = timeval2us(&time1);
|
Line 2033 duser = timeval2us(&time1);
|
dsystem = DZERO; |
dsystem = DZERO; |
#endif |
#endif |
|
|
|
ntime ( -- dtime ) gforth |
|
""Report the current time in nanoseconds since some epoch."" |
|
struct timespec t; |
|
clock_gettime(CLOCK_REALTIME,&t); |
|
dtime = timespec2ns(&t); |
|
|
\+ |
\+ |
|
|
\+floating |
\+floating |
Line 2137 int flag;
|
Line 2197 int flag;
|
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); |
|
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 2399 r = fp[u];
|
Line 2460 r = fp[u];
|
\g syslib |
\g syslib |
|
|
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(tilde_cstr(c_addr1, u1, 1)); |
|
#elif defined(HAVE_LIBDL) || defined(HAVE_DLOPEN) |
|
#ifndef RTLD_GLOBAL |
|
#define RTLD_GLOBAL 0 |
|
#endif |
|
u2=(UCell) dlopen(tilde_cstr(c_addr1, u1, 1), RTLD_GLOBAL | RTLD_LAZY); |
|
#else |
|
# ifdef _WIN32 |
|
u2 = (Cell) GetModuleHandle(tilde_cstr(c_addr1, u1, 1)); |
|
# else |
|
#warning Define open-lib! |
|
u2 = 0; |
|
# endif |
|
#endif |
|
|
|
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 2460 l! ( w c_addr -- ) gforth l_store
|
Line 2507 l! ( w c_addr -- ) gforth l_store
|
|
|
lib-error ( -- c_addr u ) gforth lib_error |
lib-error ( -- c_addr u ) gforth lib_error |
""Error message for last failed @code{open-lib} or @code{lib-sym}."" |
""Error message for last failed @code{open-lib} or @code{lib-sym}."" |
|
#ifdef HAVE_LIBLTDL |
c_addr = (Char *)lt_dlerror(); |
c_addr = (Char *)lt_dlerror(); |
u = (c_addr == NULL) ? 0 : strlen((char *)c_addr); |
u = (c_addr == NULL) ? 0 : strlen((char *)c_addr); |
|
#elif defined(HAVE_LIBDL) || defined(HAVE_DLOPEN) |
|
c_addr = dlerror(); |
|
u = strlen(c_addr); |
|
#else |
|
c_addr = "libltdl is not configured"; |
|
u = strlen(c_addr); |
|
#endif |
|
|
|
be-w! ( w c_addr -- ) gforth w_store_be |
|
""Store the bottom 16 bits of @i{w} at @i{c_addr} in big endian format."" |
|
c_addr[0] = w >> 8; |
|
c_addr[1] = w; |
|
|
|
be-l! ( w c_addr -- ) gforth l_store_be |
|
""Store the bottom 32 bits of @i{w} at @i{c_addr} in big endian format."" |
|
c_addr[0] = w >> 24; |
|
c_addr[1] = w >> 16; |
|
c_addr[2] = w >> 8; |
|
c_addr[3] = w; |
|
|
|
le-w! ( w c_addr -- ) gforth w_store_le |
|
""Store the bottom 16 bits of @i{w} at @i{c_addr} in big endian format."" |
|
c_addr[1] = w >> 8; |
|
c_addr[0] = w; |
|
|
|
le-l! ( w c_addr -- ) gforth l_store_le |
|
""Store the bottom 32 bits of @i{w} at @i{c_addr} in big endian format."" |
|
c_addr[3] = w >> 24; |
|
c_addr[2] = w >> 16; |
|
c_addr[1] = w >> 8; |
|
c_addr[0] = w; |
|
|
|
be-uw@ ( c_addr -- u ) gforth w_fetch_be |
|
""@i{u} is the zero-extended 16-bit big endian value stored at @i{c_addr}."" |
|
u = (c_addr[0] << 8) | (c_addr[1]); |
|
|
|
be-ul@ ( c_addr -- u ) gforth l_fetch_be |
|
""@i{u} is the zero-extended 32-bit big endian value stored at @i{c_addr}."" |
|
u = (c_addr[0] << 24) | (c_addr[1] << 16) | (c_addr[2] << 8) | (c_addr[3]); |
|
|
|
le-uw@ ( c_addr -- u ) gforth w_fetch_le |
|
""@i{u} is the zero-extended 16-bit little endian value stored at @i{c_addr}."" |
|
u = (c_addr[1] << 8) | (c_addr[0]); |
|
|
|
le-ul@ ( c_addr -- u ) gforth l_fetch_le |
|
""@i{u} is the zero-extended 32-bit little endian value stored at @i{c_addr}."" |
|
u = (c_addr[3] << 24) | (c_addr[2] << 16) | (c_addr[1] << 8) | (c_addr[0]); |
|
|
|
\+64bit |
|
|
|
x! ( w c_addr -- ) gforth x_store |
|
""Store the bottom 64 bits of @i{w} at 64-bit-aligned @i{c_addr}."" |
|
*(UOctabyte *)c_addr = w; |
|
|
|
ux@ ( c_addr -- u ) gforth u_x_fetch |
|
""@i{u} is the zero-extended 64-bit value stored at 64-bit-aligned @i{c_addr}."" |
|
u = *(UOctabyte *)c_addr; |
|
|
|
sx@ ( c_addr -- n ) gforth s_x_fetch |
|
""@i{u} is the sign-extended 64-bit value stored at 64-bit-aligned @i{c_addr}."" |
|
n = *(Octabyte *)c_addr; |
|
|
|
be-x! ( w c_addr -- ) gforth b_e_x_store |
|
""Store the bottom 64 bits of @i{w} at @i{c_addr} in big endian format."" |
|
c_addr[0] = w >> 56; |
|
c_addr[1] = w >> 48; |
|
c_addr[2] = w >> 40; |
|
c_addr[3] = w >> 32; |
|
c_addr[4] = w >> 24; |
|
c_addr[5] = w >> 16; |
|
c_addr[6] = w >> 8; |
|
c_addr[7] = w; |
|
|
|
le-x! ( w c_addr -- ) gforth l_e_x_store |
|
""Store the bottom 64 bits of @i{w} at @i{c_addr} in big endian format."" |
|
c_addr[7] = w >> 56; |
|
c_addr[6] = w >> 48; |
|
c_addr[5] = w >> 40; |
|
c_addr[4] = w >> 32; |
|
c_addr[3] = w >> 24; |
|
c_addr[2] = w >> 16; |
|
c_addr[1] = w >> 8; |
|
c_addr[0] = w; |
|
|
|
be-ux@ ( c_addr -- u ) gforth b_e_u_x_fetch |
|
""@i{u} is the zero-extended 64-bit big endian value stored at @i{c_addr}."" |
|
u = (((Cell)(c_addr[0]) << 56) | |
|
((Cell)(c_addr[1]) << 48) | |
|
((Cell)(c_addr[2]) << 40) | |
|
((Cell)(c_addr[3]) << 32) | |
|
((Cell)(c_addr[4]) << 24) | |
|
((Cell)(c_addr[5]) << 16) | |
|
((Cell)(c_addr[6]) << 8) | |
|
((Cell)(c_addr[7]))); |
|
|
|
le-ux@ ( c_addr -- u ) gforth l_e_u_x_fetch |
|
""@i{u} is the zero-extended 64-bit little endian value stored at @i{c_addr}."" |
|
u = (((Cell)(c_addr[7]) << 56) | |
|
((Cell)(c_addr[6]) << 48) | |
|
((Cell)(c_addr[5]) << 40) | |
|
((Cell)(c_addr[4]) << 32) | |
|
((Cell)(c_addr[3]) << 24) | |
|
((Cell)(c_addr[2]) << 16) | |
|
((Cell)(c_addr[1]) << 8) | |
|
((Cell)(c_addr[0]))); |
|
|
|
\+ |
\+ |
\+ |
\g peephole |
\g peephole |
|
|
Line 2510 a_addr = groups;
|
Line 2664 a_addr = groups;
|
|
|
\+ |
\+ |
|
|
|
\g primitive_centric |
|
|
|
\ primitives for primitive-centric code |
|
\ another one is does-exec |
|
|
|
abi-call ( #a_callee ... -- ... ) gforth-internal abi_call |
|
/* primitive for compiled ABI-CODE words */ |
|
abifunc *f = (abifunc *)a_callee; |
|
Float *fp_mem = fp; |
|
sp = (*f)(sp, &fp_mem); |
|
fp = fp_mem; |
|
|
|
;abi-code-exec ( #a_cfa ... -- ... ) gforth-internal semi_abi_code_exec |
|
/* primitive for performing ;ABI-CODE words */ |
|
Float *fp_mem = fp; |
|
semiabifunc *f = (semiabifunc *)DOES_CODE1(a_cfa); |
|
Address body = (Address)PFA(a_cfa); |
|
sp = (*f)(sp, &fp_mem, body); |
|
fp = fp_mem; |
|
|
|
lit-execute ( #a_addr -- ) new lit_execute |
|
/* for ;code and code words; a static superinstruction would be more general, |
|
but VM_JUMP is currently not supported there */ |
|
#ifndef NO_IP |
|
ip=IP; |
|
#endif |
|
SUPER_END; |
|
VM_JUMP(EXEC1((Xt)a_addr)); |
|
|
|
|
\g static_super |
\g static_super |
|
|
ifdef(`STACK_CACHE_FILE', |
ifdef(`STACK_CACHE_FILE', |