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eval.c
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/*****************************************************************/
/* eval.c
/ interpreted evaluation of lisp forms
/* 1986-Jun-6
/* Copyright Toshihiro Matsui, ETL Umezono Sakuramura
/* 0298-54-5459
*****************************************************************/
static char *rcsid="@(#)$Id$";
#include "eus.h"
#define FALSE 0
#define TRUE 1
extern pointer ALLOWOTHERKEYS,K_ALLOWOTHERKEYS;
extern pointer OPTIONAL,REST,KEY,AUX,MACRO,LAMBDA,LAMCLOSURE;
extern char *maxmemory;
#ifdef EVAL_DEBUG
int evaldebug;
#endif
pointer *getobjv(sym,varvec,obj)
register pointer sym;
pointer varvec,obj;
{ register pointer *vv=varvec->c.vec.v;
register int i=0,n;
n=intval(varvec->c.vec.size);
while (i<n)
if (vv[i]==sym) return(&(obj->c.obj.iv[i]));
else i++;
return(NULL);}
pointer getval(ctx,sym)
register context *ctx;
register pointer sym;
{ register struct bindframe *bf=ctx->bindfp;
register pointer var,val;
pointer *vaddr;
int vt;
if (sym->c.sym.vtype>=V_SPECIAL) {
vt=intval(sym->c.sym.vtype);
val=ctx->specials->c.vec.v[vt]; /*sym->c.sym.speval;*/
if (val==UNBOUND) {
val=sym->c.sym.speval;
if (val==UNBOUND) error(E_UNBOUND,sym);
else return(val); }
else return(val);}
if (sym->c.sym.vtype==V_CONSTANT) return(sym->c.sym.speval);
GC_POINT;
while (bf!=NULL) {
var=bf->sym;
val=bf->val;
if (sym==var) { /*found in bind-frame*/
if (val==UNBOUND) goto getspecial;
return(val);}
else if (var->cix==vectorcp.cix) {
vaddr=getobjv(sym,var,val);
if (vaddr) return(*vaddr);}
if (bf==bf->lexblink) break;
bf=bf->lexblink;}
/*get special value from the symbol cell*/
/*if (sym->c.sym.vtype==V_GLOBAL) goto getspecial;*/
getspecial:
val=sym->c.sym.speval;
if (val==UNBOUND) error(E_UNBOUND,sym);
else return(val);}
pointer setval(ctx,sym,val)
register context *ctx;
register pointer sym,val;
{ register struct bindframe *bf=ctx->bindfp;
register pointer var;
pointer *vaddr;
int vt;
if (sym->c.sym.vtype>=V_SPECIAL) {
vt=intval(sym->c.sym.vtype);
pointer_update(ctx->specials->c.vec.v[vt],val);
return(val);}
while (bf!=NULL) {
var=bf->sym;
if (sym==var) {
if (bf->val==UNBOUND) goto setspecial;
pointer_update(bf->val,val); return(val);}
else if (var->cix==vectorcp.cix) {
vaddr=getobjv(sym,var,bf->val);
if (vaddr) {pointer_update(*vaddr,val); return(val);}}
bf=bf->lexblink; GC_POINT;}
/* no local var found. try global binding */
if (sym->c.sym.vtype==V_CONSTANT) error(E_SETCONST,sym);
if (sym->c.sym.vtype==V_GLOBAL) goto setspecial;
setspecial:
pointer_update(sym->c.sym.speval,val); /* global val*/
return(val);
}
pointer getfunc(ctx,f)
register context *ctx;
register pointer f; /*must be a symbol*/
{ register struct fletframe *ffp=ctx->fletfp;
while (ffp!=NULL) {
if (ffp->name==f) { return(ffp->fclosure);}
else ffp=ffp->lexlink;}
if (f->c.sym.spefunc==UNBOUND) error(E_UNDEF,f);
else { /*global function definition is taken, context changes*/
return(f->c.sym.spefunc);}}
/* called from compiled code*/
pointer get_sym_func(s)
pointer s;
{ register pointer f;
if ((f=s->c.sym.spefunc)==UNBOUND) error(E_UNDEF,s);
else return(f);}
void setfunc(sym,func)
register pointer sym,func;
{ pointer_update(sym->c.sym.spefunc,func);}
pointer *ovafptr(o,v)
register pointer o,v;
{ register pointer c,*vaddr;
if (!ispointer(o)) error(E_NOOBJ,o,v);
c=classof(o);
vaddr=getobjv(v,c->c.cls.vars,o);
if (vaddr) return(vaddr);
else error(E_NOOBJVAR,o,v);}
/***** special variable binding *****/
void bindspecial(ctx,sym,newval)
register context *ctx;
pointer sym,newval;
{ register struct specialbindframe *sbf=(struct specialbindframe *)(ctx->vsp);
int vt;
GC_POINT;
vt=intval(sym->c.sym.vtype);
ctx->vsp += (sizeof(struct specialbindframe)/sizeof(pointer));
sbf->sblink=ctx->sbindfp;
sbf->sym=sym;
if (sym->c.sym.vtype==V_GLOBAL){
sbf->oldval=speval(sym); speval(sym)=newval;}
else { sbf->oldval=spevalof(sym,vt); spevalof(sym,vt)=newval;}
ctx->sbindfp=sbf;
ctx->special_bind_count++;}
/* called by compiled code */
void unbindx(ctx,count)
register context *ctx;
register int count;
{ register pointer s;
register struct specialbindframe *sbfp=ctx->sbindfp;
if (ctx->special_bind_count<count) error(E_USER,(pointer)"inconsistent special binding");
ctx->special_bind_count -= count;
while (count-- >0) {
s=sbfp->sym;
/***/
if (s->c.sym.vtype==V_GLOBAL) {pointer_update(speval(s),sbfp->oldval);}
else pointer_update(Spevalof(s),sbfp->oldval);
sbfp=sbfp->sblink;}
ctx->sbindfp=sbfp;}
void unbindspecial(ctx,limit)
register context *ctx;
register struct specialbindframe *limit;
{ register pointer s;
register struct specialbindframe *sbfp=ctx->sbindfp;
if (sbfp) {
while (limit<=sbfp) { /* < is harmful to unwind in eus.c */
s=sbfp->sym;
/***/
if (s->c.sym.vtype==V_GLOBAL) {pointer_update(speval(s),sbfp->oldval);}
else pointer_update(Spevalof(s),sbfp->oldval);
sbfp=sbfp->sblink;
ctx->special_bind_count--;}
ctx->sbindfp=sbfp;}}
struct bindframe *fastbind(ctx,var,val,lex)
register context *ctx;
register pointer var,val;
struct bindframe *lex;
{ register struct bindframe *bf;
bf=(struct bindframe *)(ctx->vsp);
ctx->vsp += sizeof(struct bindframe)/sizeof(eusinteger_t);
bf->lexblink=lex;
bf->dynblink=ctx->bindfp;
bf->sym=var;
bf->val=val;
ctx->bindfp=bf; /*update bindfp*/
return(bf); }
struct bindframe *vbind(ctx,var,val,lex,declscope)
register context *ctx;
register pointer var,val;
struct bindframe *lex,*declscope;
{ register struct bindframe *p;
if (!issymbol(var)) error(E_NOSYMBOL);
if (var->c.sym.vtype==V_CONSTANT) error(E_NOVARIABLE,var);
p=ctx->bindfp;
while (p>declscope) {
if (p->sym==var)
if (p->val==UNBOUND) { bindspecial(ctx,var,val); return(ctx->bindfp);}
else error(E_MULTIDECL);
if (p==p->lexblink) break;
p=p->lexblink;}
/*not found in declare scope*/
if (var->c.sym.vtype>= /* V_SPECIAL */ V_GLOBAL ) {
/* For defun-c-callable in eusforeign.l to create a foreign-pod,
global value of SYMBOL must be replaced with FOREIGN-POD
by let binding. Since SYMBOL is V_GLOBAL, special binding
(global binding) must be made for V_GLOBAL. Proclaiming
symbol as SPECIAL is no use, since INTERN does not refer
thread local binding. */
bindspecial(ctx,var,val);
return(ctx->bindfp);}
return(fastbind(ctx,var,val,lex));}
struct bindframe *declare(ctx,decllist,env)
register context *ctx;
pointer decllist;
struct bindframe *env;
{ register pointer decl,var;
while (iscons(decllist)) {
decl=ccar(decllist); decllist=ccdr(decllist);
if (!iscons(decl)) error(E_DECLARE);
if (ccar(decl)==QSPECIAL) { /*special binding*/
decl=ccdr(decl);
while (iscons(decl)) {
var=ccar(decl);
if (var->c.sym.vtype < V_SPECIAL) env=vbind(ctx,var,UNBOUND,env,ctx->bindfp);
decl=ccdr(decl); } } }
return(env);}
int parsekeyparams(keyvec,actuals,noarg,results,allowotherkeys)
/*for compiled codes*/
register pointer keyvec, *actuals, *results;
int noarg,allowotherkeys;
{ register int i=0,n=0,suppliedbits=0,keysize, bitpos;
register pointer akeyvar, *keys;
if (noarg<=0) return(suppliedbits);
if (noarg & 1) error(E_KEYPARAM);
keysize=vecsize(keyvec);
for (i=0; i<keysize; i++) {
#ifdef SAFETY
take_care(results[i]);
#endif
results[i]=NIL;
}
while (n<noarg) {
akeyvar=actuals[n++];
if (!issymbol(akeyvar)) error(E_KEYPARAM);
if (akeyvar->c.sym.homepkg!=keywordpkg) error(E_KEYPARAM);
i=0; /*search for keyword*/
keys=keyvec->c.vec.v;
if (akeyvar==K_ALLOWOTHERKEYS) allowotherkeys=(actuals[n]!=NIL);
while (i<keysize && keys[i]!=akeyvar) i++;
if (i<keysize) { /*keyword found*/
bitpos = 1<<i;
if ((suppliedbits & bitpos) ==0) { /*already supplied-->ignore*/
pointer_update(results[i],actuals[n]);
suppliedbits |= bitpos;} }
else if (!allowotherkeys) error(E_NOKEYPARAM,akeyvar);
n++;}
return(suppliedbits);}
struct bindframe *bindkeyparams(ctx,formal,argp,noarg,env,bf)
register context *ctx;
pointer formal;
pointer *argp;
int noarg;
struct bindframe *env,*bf;
{ pointer fvar,initform;
register pointer fkeyvar,akeyvar;
pointer keys[KEYWORDPARAMETERLIMIT],
vars[KEYWORDPARAMETERLIMIT],
inits[KEYWORDPARAMETERLIMIT];
register int nokeys=0,i,n,allowotherkeys=0;
/*parse lambda list and make keyword tables*/
while (iscons(formal)) {
fkeyvar=ccar(formal); formal=ccdr(formal);
if (iscons(fkeyvar)) {
fvar=ccar(fkeyvar);
initform=ccdr(fkeyvar);
if (iscons(initform)) initform=ccar(initform); else initform=NIL;
if (iscons(fvar)) {
fkeyvar=ccar(fvar); fvar=ccdr(fvar);
if (!iscons(fvar)) error(E_KEYPARAM);
fvar=ccar(fvar);
if (!issymbol(fkeyvar)) error(E_NOSYMBOL);
if (fkeyvar->c.sym.homepkg!=keywordpkg) error(E_KEYPARAM);}
else {
if (!issymbol(fvar)) error(E_NOSYMBOL);
fkeyvar=fvar->c.sym.pname;
fkeyvar=intern(ctx,(char *)fkeyvar->c.str.chars,
vecsize(fkeyvar),keywordpkg);}}
else if (fkeyvar==ALLOWOTHERKEYS) {
allowotherkeys=1;
if (islist(formal)) {
fkeyvar=ccar(formal); formal=ccdr(formal);
if (fkeyvar==AUX) break;
else error(E_USER,(pointer)"something after &allow-other-keys"); }
break;}
else if (fkeyvar==AUX) break;
else {
initform=NIL;
fvar=fkeyvar;
if (!issymbol(fvar)) error(E_NOSYMBOL);
fkeyvar=fvar->c.sym.pname;
fkeyvar=intern(ctx,(char *)fkeyvar->c.str.chars,
vecsize(fkeyvar),keywordpkg);}
/**/
keys[nokeys]=fkeyvar;
vars[nokeys]=fvar;
inits[nokeys]=initform;
nokeys++;
if (nokeys>=KEYWORDPARAMETERLIMIT) {
error(E_USER, "Too many keyword parameters >%d",KEYWORDPARAMETERLIMIT);
}
}
n=0;
while (n<noarg) {
akeyvar=argp[n++];
if (!issymbol(akeyvar)) error(E_KEYPARAM);
if (akeyvar->c.sym.homepkg!=keywordpkg) error(E_KEYPARAM);
if (akeyvar==K_ALLOWOTHERKEYS) allowotherkeys=(argp[n]!=NIL);
i=0; /*search for keyword*/
while (i<nokeys && keys[i]!=akeyvar) i++;
if (n>=noarg) error(E_KEYPARAM); /*not paired*/
if (i<nokeys) {
if (inits[i]!=UNBOUND) {
env=vbind(ctx,vars[i],argp[n],env,bf);
inits[i]=UNBOUND;} }
else if (!allowotherkeys) error(E_NOKEYPARAM,akeyvar);
n++; }
i=0;
while (i<nokeys) {
if (inits[i]!=UNBOUND) env=vbind(ctx,vars[i],eval(ctx,inits[i]),env,bf);
i++;}
return(env);}
pointer funlambda(ctx,fn,formal,body,argp,env,noarg)
register context *ctx;
pointer fn,formal,body,*argp;
struct bindframe *env;
int noarg;
{ pointer ftype,fvar,result,decl,aval,initform,fkeyvar,akeyvar;
pointer *vspsave= ctx->vsp;
struct specialbindframe *sbfps=ctx->sbindfp;
struct bindframe *bf=ctx->bindfp;
struct blockframe *myblock;
int n=0,keyno=0,i;
jmp_buf funjmp;
ctx->bindfp=env; /*****?????*****/
/*declaration*/
while (iscons(body)) {
decl=ccar(body);
if (!iscons(decl) || (ccar(decl)!=QDECLARE)) break;
env=declare(ctx,ccdr(decl),env);
body=ccdr(body); GC_POINT;}
/* make a new bind frame */
while (iscons(formal)) {
fvar=ccar(formal); formal=ccdr(formal);
if (fvar==OPTIONAL) goto bindopt;
if (fvar==REST) goto bindrest;
if (fvar==KEY) { keyno=n; goto bindkey;}
if (fvar==AUX) goto bindaux;
if (n>=noarg) error(E_MISMATCHARG);
env=vbind(ctx,fvar,argp[n],env,bf);
n++;}
if (n!=noarg) error(E_MISMATCHARG);
goto evbody;
bindopt:
while (iscons(formal)) {
fvar=ccar(formal); formal=ccdr(formal); /*take one formal*/
if (fvar==REST) goto bindrest;
if (fvar==KEY) { keyno=n; goto bindkey;}
if (fvar==AUX) goto bindaux;
if (n<noarg) { /*an actual arg is supplied*/
aval=argp[n];
if (iscons(fvar)) fvar=ccar(fvar);}
else if (iscons(fvar)) {
initform=ccdr(fvar);
fvar=ccar(fvar);
if (iscons(initform)) {GC_POINT;aval=eval(ctx,ccar(initform));}
else aval=NIL;}
else aval=NIL;
env=vbind(ctx,fvar,aval,env,bf);
n++;}
if (n<noarg) error(E_MISMATCHARG);
goto evbody;
bindrest:
keyno=n;
fvar=carof(formal,E_PARAMETER);
formal=ccdr(formal);
/*list up all rest arguments*/
result=NIL;
i=noarg;
while (n<i) result=cons(ctx,argp[--i],result);
env=vbind(ctx,fvar,result,env,bf);
n++;
if (!iscons(formal)) goto evbody;
fvar=ccar(formal); formal=ccdr(formal);
if (fvar==KEY) goto bindkey;
else if (fvar==AUX) goto bindaux;
else error(E_PARAMETER);
bindkey:
env=bindkeyparams(ctx,formal,&argp[keyno],noarg-keyno,env,bf);
while (iscons(formal)) {
fvar=ccar(formal); formal=ccdr(formal);
if (fvar==AUX) goto bindaux;}
goto evbody;
bindaux:
while (iscons(formal)) {
fvar=ccar(formal); formal=ccdr(formal);
if (iscons(fvar)) {
initform=ccdr(fvar);
fvar=ccar(fvar);
if (iscons(initform)) {GC_POINT;aval=eval(ctx,ccar(initform));}
else aval=NIL;}
else aval=NIL;
env=vbind(ctx,fvar,aval,env,bf); }
evbody:
GC_POINT;
/*create block around lambda*/
myblock=(struct blockframe *)makeblock(ctx,BLOCKFRAME,fn,&funjmp,NULL);
/*evaluate body*/
if ((result=(pointer)eussetjmp(funjmp))==0) {GC_POINT;result=progn(ctx,body);}
else if (result==(pointer)1) result=makeint(0);
/*end of body evaluation: clean up stack frames*/
ctx->blkfp=myblock->dynklink;
ctx->bindfp=bf;
ctx->vsp=vspsave;
#ifdef __RETURN_BARRIER
check_return_barrier(ctx);
/* check return barrier */
#endif
/* unbindspecial(ctx,(struct specialbindframe *)ctx->vsp); */
unbindspecial(ctx,sbfps+1);
return(result);}
#if IRIX6
#include <alloca.h>
extern long i_call_foreign(eusinteger_t (*)(),int,numunion *);
extern double f_call_foreign(eusinteger_t (*)(),int,numunion *);
pointer call_foreign(func,code,n,args)
eusinteger_t (*func)();
pointer code;
int n;
pointer args[];
{ pointer paramtypes=code->c.fcode.paramtypes;
pointer resulttype=code->c.fcode.resulttype;
pointer p,lisparg;
numunion nu,*cargv;
eusinteger_t i=0;
double f;
cargv=(numunion *)alloca(n*sizeof(numunion));
while (iscons(paramtypes)) {
p=ccar(paramtypes); paramtypes=ccdr(paramtypes);
lisparg=args[i];
if (p==K_INTEGER)
cargv[i++].ival=isint(lisparg)?intval(lisparg):bigintval(lisparg);
else if (p==K_FLOAT) cargv[i++].fval=ckfltval(lisparg);
else if (p==K_STRING)
if (elmtypeof(lisparg)==ELM_FOREIGN)
cargv[i++].ival=lisparg->c.ivec.iv[0];
else cargv[i++].ival=(eusinteger_t)(lisparg->c.str.chars);
else error(E_USER,(pointer)"unknown type specifier");}
/* &rest arguments? */
while (i<n) { /* i is the counter for the actual arguments*/
lisparg=args[i];
if (isint(lisparg)) cargv[i++].ival=intval(lisparg);
else if (isflt(lisparg)) cargv[i++].fval=ckfltval(lisparg);
else if (isvector(lisparg)) {
if (elmtypeof(lisparg)==ELM_FOREIGN)
cargv[i++].ival=lisparg->c.ivec.iv[0];
else cargv[i++].ival=(eusinteger_t)(lisparg->c.str.chars);}
else cargv[i++].ival=(eusinteger_t)(lisparg->c.obj.iv);}
/**/
if (resulttype==K_FLOAT) return(makeflt(f_call_foreign(func,n,cargv)));
else {
i=i_call_foreign(func,n,cargv);
if (resulttype==K_INTEGER) return(mkbigint(i));
else if (resulttype==K_STRING) {
p=makepointer(i-2*sizeof(pointer));
if (isvector(p)) return(p);
else error(E_USER,(pointer)"illegal foreign string"); }
else if (iscons(resulttype)) {
/* (:string [10]) (:foreign-string [20]) */
if (ccar(resulttype)==K_STRING) {
resulttype=ccdr(resulttype);
if (resulttype!=NIL) j=ckintval(ccar(resulttype));
else j=strlen((char *)i);
return(makestring((char *)i, j)); }
else if (ccar(resulttype)==K_FOREIGN_STRING) {
resulttype=ccdr(resulttype);
if (resulttype!=NIL) j=ckintval(ccar(resulttype));
else j=strlen((char *)i);
return(make_foreign_string(i, j)); }
error(E_USER,(pointer)"unknown result type"); }
else error(E_USER,(pointer)"result type?");
}}
#else /* IRIX6 */
#if IRIX
#include <alloca.h>
extern int i_call_foreign(eusinteger_t (*)(),int,int *);
extern double f_call_foreign(eusinteger_t (*)(),int,int *);
pointer call_foreign(func,code,n,args)
eusinteger_t (*func)();
pointer code;
int n;
pointer args[];
{ pointer paramtypes=code->c.fcode.paramtypes;
pointer resulttype=code->c.fcode.resulttype;
pointer p,lisparg;
numunion nu,*cargs;
eusinteger_t i=0;
unsigned int *offset,*isfloat,m=0;
int *cargv;
union {
double d;
struct {
int i1,i2;} i;
} numbox;
double f;
cargs=(numunion *)alloca(n*sizeof(numunion));
offset=(unsigned int *)alloca(n*sizeof(unsigned int));
isfloat=(unsigned int *)alloca(n*sizeof(unsigned int));
while (iscons(paramtypes)) {
p=ccar(paramtypes); paramtypes=ccdr(paramtypes);
lisparg=args[i];
if (isfloat[i]=(p==K_FLOAT)) {
cargs[i].fval=ckfltval(lisparg);
offset[i]=(m+1)&~1; m=offset[i++]+2;}
else if (p==K_INTEGER) {
cargs[i++].ival=isint(lisparg)?intval(lisparg):bigintval(lisparg);
offset[i++]=m++;}
else if (p==K_STRING) {
if (elmtypeof(lisparg)==ELM_FOREIGN)
cargs[i].ival=lisparg->c.ivec.iv[0];
else cargs[i].ival=(eusinteger_t)(lisparg->c.str.chars);
offset[i++]=m++;}
else error(E_USER,(pointer)"unknown type specifier");}
/* &rest arguments? */
while (i<n) { /* i is the counter for the actual arguments*/
lisparg=args[i];
if (isfloat[i]=isflt(lisparg)) {
cargs[i].fval=ckfltval(lisparg);
offset[i]=(m+1)&~1; m=offset[i++]+2;}
else if (isint(lisparg)) {
cargs[i].ival=intval(lisparg);
offset[i++]=m++;}
else if (isvector(lisparg)) {
if (elmtypeof(lisparg)==ELM_FOREIGN)
cargs[i].ival=lisparg->c.ivec.iv[0];
else cargs[i].ival=(eusinteger_t)(lisparg->c.str.chars);
offset[i++]=m++;}
else {
cargs[i++].ival=(eusinteger_t)(lisparg->c.obj.iv);
offset[i++]=m++;}}
cargv=(int *)alloca(m*sizeof(int));
for (i=0; i<n; ++i) {
if (isfloat[i]) {
numbox.d=(double)cargs[i].fval;
cargv[offset[i]]=numbox.i.i1; cargv[offset[i]+1]=numbox.i.i2;}
else cargv[offset[i]]=cargs[i].ival;}
/**/
if (resulttype==K_FLOAT) return(makeflt(f_call_foreign(func,m,cargv)));
else {
i=i_call_foreign(func,m,cargv);
if (resulttype==K_INTEGER) return(mkbigint(i));
else if (resulttype==K_STRING) {
p=makepointer(i-2*sizeof(pointer));
if (isvector(p)) return(p);
else error(E_USER,(pointer)"illegal foreign string"); }
else if (iscons(resulttype)) {
/* (:string [10]) (:foreign-string [20]) */
if (ccar(resulttype)=K_STRING) {
resulttype=ccdr(resulttype);
if (resulttype!=NIL) j=ckintval(ccar(resulttype));
else j=strlen((char *)i);
return(makestring((char *)i, j)); }
else if (ccar(resulttype)=K_FOREIGN_STRING) {
resulttype=ccdr(resulttype);
if (resulttype!=NIL) j=ckintval(ccar(resulttype));
else j=strlen((char *)i);
return(make_foreign_string(i, j)); }
error(E_USER,(pointer)"unknown result type"); }
else error(E_USER,(pointer)"result type?");
}}
#else /* IRIX */
/* not IRIS */
#if (defined(x86_64) || defined(aarch64))
extern long exec_function_i(void (*)(), long *, long *, long, long *);
extern long exec_function_f(void (*)(), long *, long *, long, long *);
#if x86_64
// func %rdi
// iargv %rsi
// fargv %rdx
// vargc %rcx
// vargv %r8
__asm__ (".align 8\n"
#if Darwin
"_exec_function_i:\n\t"
#else
"exec_function_i:\n\t"
#endif
"push %rbx\n\t"
"sub $0x120, %rsp\n\t"
"mov %rdx, %rax\n\t"
"movsd 0x00(%rax), %xmm0\n\t"
"movsd 0x08(%rax), %xmm1\n\t"
"movsd 0x10(%rax), %xmm2\n\t"
"movsd 0x18(%rax), %xmm3\n\t"
"movsd 0x20(%rax), %xmm4\n\t"
"movsd 0x28(%rax), %xmm5\n\t"
"movsd 0x30(%rax), %xmm6\n\t"
"movsd 0x38(%rax), %xmm7\n\t"
"mov %rsp, %rax\n\t"
"mov $0, %r10\n\t"
"cmpl %ecx, %r10d\n\t"
"jge .LENDLP\n"
".LNEXTLP:\n\t"
"mov (%r8), %rbx\n\t"
"mov %rbx, (%rax)\n\t"
"add $8, %rax\n\t"
"add $8, %r8\n\t"
"add $1, %r10d\n\t"
"cmpl %r10d, %ecx\n\t"
"jg .LNEXTLP\n"
".LENDLP:\n\t"
"mov %rdi, %rbx\n\t"
"mov %rsi, %rax\n\t"
"mov 0x00(%rax), %rdi\n\t"
"mov 0x08(%rax), %rsi\n\t"
"mov 0x10(%rax), %rdx\n\t"
"mov 0x18(%rax), %rcx\n\t"
"mov 0x20(%rax), %r8\n\t"
"mov 0x28(%rax), %r9\n\t"
"mov $0x00, %eax\n\t"
"call *%rbx\n\t"
"add $0x120, %rsp\n\t"
"pop %rbx\n\t"
"retq"
);
__asm__ (".align 8\n"
#if Darwin
"_exec_function_f:\n\t"
#else
"exec_function_f:\n\t"
#endif
"push %rbx\n\t"
"sub $0x120, %rsp\n\t"
"mov %rdx, %rax\n\t"
"movsd 0x00(%rax), %xmm0\n\t"
"movsd 0x08(%rax), %xmm1\n\t"
"movsd 0x10(%rax), %xmm2\n\t"
"movsd 0x18(%rax), %xmm3\n\t"
"movsd 0x20(%rax), %xmm4\n\t"
"movsd 0x28(%rax), %xmm5\n\t"
"movsd 0x30(%rax), %xmm6\n\t"
"movsd 0x38(%rax), %xmm7\n\t"
"mov %rsp, %rax\n\t"
"mov $0, %r10\n\t"
"cmpl %ecx, %r10d\n\t"
"jge .LENDLPF\n"
".LNEXTLPF:\n\t"
"mov (%r8), %rbx\n\t"
"mov %rbx, (%rax)\n\t"
"add $8, %rax\n\t"
"add $8, %r8\n\t"
"add $1, %r10d\n\t"
"cmpl %r10d, %ecx\n\t"
"jg .LNEXTLPF\n"
".LENDLPF:\n\t"
"mov %rdi, %rbx\n\t"
"mov %rsi, %rax\n\t"
"mov 0x00(%rax), %rdi\n\t"
"mov 0x08(%rax), %rsi\n\t"
"mov 0x10(%rax), %rdx\n\t"
"mov 0x18(%rax), %rcx\n\t"
"mov 0x20(%rax), %r8\n\t"
"mov 0x28(%rax), %r9\n\t"
"mov $0x00, %eax\n\t"
"call *%rbx\n\t"
"movsd %xmm0, (%rsp)\n\t"
"mov (%rsp), %rax\n\t"
"add $0x120, %rsp\n\t"
"pop %rbx\n\t"
"retq"
);
#endif
#if aarch64
__asm__ (".align 8\n"
"exec_function_i:\n\t"
"sub sp, sp, #192\n\t" // 128(8x16) + 64
"stp x29, x30, [sp, 128]\n\t"
"add x29, sp, 128\n\t"
"str x0, [x29, 56]\n\t" // fc
"str x1, [x29, 48]\n\t" // iargv
"str x2, [x29, 40]\n\t" // fargv
"str x3, [x29, 32]\n\t" // vargc
"str x4, [x29, 24]\n\t" // vargv
// vargv -> stack
"mov x1, 0\n\t"
"ldr x2, [x29, 24]\n\t"
"b .FUNCII_LPCK\n\t"
".FUNCII_LP:\n\t"
"lsl x0, x1, 3\n\t"
"add x3, x2, x0\n\t" // vargv[i]
"add x4, sp, x0\n\t" // stack[i]
"ldr x0, [x3]\n\t"
"str x0, [x4]\n\t" // push stack
"add x1, x1, 1\n\t"
".FUNCII_LPCK:\n\t"
"ldr x5, [x29, 32]\n\t"
"cmp x1, x5\n\t"
"blt .FUNCII_LP\n\t"
// fargv -> register
"ldr x0, [x29, 40]\n\t" // fargv
"ldr d0, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr d1, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr d2, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr d3, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr d4, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr d5, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr d6, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr d7, [x0]\n\t"
// iargv -> register
"ldr x0, [x29, 48]\n\t" // iargv
"ldr x9, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr x1, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr x2, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr x3, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr x4, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr x5, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr x6, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr x7, [x0]\n\t"
// function call
"ldr x8, [x29, 56]\n\t"
"mov x0, x9\n\t"
"blr x8\n\t"
"add sp, x29, 0\n\t"
"ldp x29, x30, [sp], 64\n\t"
"ret"
);
__asm__ (".align 8\n"
"exec_function_f:\n\t"
"sub sp, sp, #192\n\t" // 128(8x16) + 64
"stp x29, x30, [sp, 128]\n\t"
"add x29, sp, 128\n\t"
"str x0, [x29, 56]\n\t" // fc
"str x1, [x29, 48]\n\t" // iargv
"str x2, [x29, 40]\n\t" // fargv
"str x3, [x29, 32]\n\t" // vargc
"str x4, [x29, 24]\n\t" // vargv
// vargv -> stack
"mov x1, 0\n\t"
"ldr x2, [x29, 24]\n\t"
"b .FUNCFF_LPCK\n\t"
".FUNCFF_LP:\n\t"
"lsl x0, x1, 3\n\t"
"add x3, x2, x0\n\t" // vargv[i]
"add x4, sp, x0\n\t" // stack[i]
"ldr x0, [x3]\n\t"
"str x0, [x4]\n\t" // push stack
"add x1, x1, 1\n\t"
".FUNCFF_LPCK:\n\t"
"ldr x5, [x29, 32]\n\t"
"cmp x1, x5\n\t"
"blt .FUNCFF_LP\n\t"
// fargv -> register
"ldr x0, [x29, 40]\n\t" // fargv
"ldr d0, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr d1, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr d2, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr d3, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr d4, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr d5, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr d6, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr d7, [x0]\n\t"
// iargv -> register
"ldr x0, [x29, 48]\n\t" // iargv
"ldr x9, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr x1, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr x2, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr x3, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr x4, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr x5, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr x6, [x0]\n\t"
"add x0, x0, 8\n\t"
"ldr x7, [x0]\n\t"
// function call
"ldr x8, [x29, 56]\n\t"
"mov x0, x9\n\t"
"blr x8\n\t"
"str d0, [x29, 56]\n\t"
"ldr x0, [x29, 56]\n\t"
"add sp, x29, 0\n\t"
"ldp x29, x30, [sp], 64\n\t"
"ret"
);
#endif
#if x86_64
#define NUM_INT_ARGUMENTS 6
#define NUM_FLT_ARGUMENTS 8
#define NUM_EXTRA_ARGUMENTS 16
#elif aarch64
#define NUM_INT_ARGUMENTS 8
#define NUM_FLT_ARGUMENTS 8
#define NUM_EXTRA_ARGUMENTS 16
#endif
pointer call_foreign(ifunc,code,n,args)
eusinteger_t (*ifunc)(); /* ???? */
pointer code;
int n;
pointer args[];
{
pointer paramtypes=code->c.fcode.paramtypes;
pointer resulttype=code->c.fcode.resulttype;
pointer p,lisparg;
eusinteger_t iargv[NUM_INT_ARGUMENTS];
eusinteger_t fargv[NUM_FLT_ARGUMENTS];
eusinteger_t vargv[NUM_EXTRA_ARGUMENTS];
int icntr = 0, fcntr = 0, vcntr = 0;
numunion nu;
eusinteger_t j=0; /*lisp argument counter*//* ???? */
eusinteger_t c=0;
union {
double d;
float f;
long l;
struct {
int i1,i2;} i;
} numbox;
double f;
if (code->c.fcode.entry2 != NIL) {
ifunc = (eusinteger_t (*)())((((eusinteger_t)ifunc)&0xffffffff00000000)
| (intval(code->c.fcode.entry2)&0x00000000ffffffff));
/* R.Hanai 090726 */
}
while (iscons(paramtypes)) {
p=ccar(paramtypes); paramtypes=ccdr(paramtypes);
lisparg=args[j++];
if (p==K_INTEGER) {
c = isint(lisparg)?intval(lisparg):bigintval(lisparg);
if(icntr < NUM_INT_ARGUMENTS) iargv[icntr++] = c; else vargv[vcntr++] = c;
} else if (p==K_STRING) {
if (elmtypeof(lisparg)==ELM_FOREIGN) c=lisparg->c.ivec.iv[0];
else c=(eusinteger_t)(lisparg->c.str.chars);
if(icntr < NUM_INT_ARGUMENTS) iargv[icntr++] = c; else vargv[vcntr++] = c;
} else if (p==K_FLOAT32) {
numbox.f=(float)ckfltval(lisparg);
c=((eusinteger_t)numbox.i.i1) & 0x00000000FFFFFFFF;
if(fcntr < NUM_FLT_ARGUMENTS) fargv[fcntr++] = c; else vargv[vcntr++] = c;
} else if (p==K_DOUBLE || p==K_FLOAT) {
numbox.d=ckfltval(lisparg);
c=numbox.l;
if(fcntr < NUM_FLT_ARGUMENTS) fargv[fcntr++] = c; else vargv[vcntr++] = c;
} else error(E_USER,(pointer)"unknown type specifier");
if (vcntr >= NUM_EXTRA_ARGUMENTS) {
error(E_USER,(pointer)"too many number of arguments");
}
}
/* &rest arguments? */
while (j<n) { /* j is the counter for the actual arguments*/
lisparg=args[j++];
if (isint(lisparg)) {
c=intval(lisparg);
if(icntr < NUM_INT_ARGUMENTS) iargv[icntr++] = c; else vargv[vcntr++] = c;
} else if (isflt(lisparg)) {
numbox.d=ckfltval(lisparg); /* i advances independently */
c=numbox.l;
if(fcntr < NUM_FLT_ARGUMENTS) fargv[fcntr++] = c; else vargv[vcntr++] = c;
} else if (isvector(lisparg)) {
if (elmtypeof(lisparg)==ELM_FOREIGN) c=lisparg->c.ivec.iv[0];
else c=(eusinteger_t)(lisparg->c.str.chars);
if(icntr < NUM_INT_ARGUMENTS) iargv[icntr++] = c; else vargv[vcntr++] = c;
} else if (isbignum(lisparg)){
if (bigsize(lisparg)==1){
eusinteger_t *xv = bigvec(lisparg);
c=(eusinteger_t)xv[0];
if(icntr < NUM_INT_ARGUMENTS) iargv[icntr++] = c; else vargv[vcntr++] = c;
}else{
fprintf(stderr, "bignum size!=1\n");
}
} else {
c=(eusinteger_t)(lisparg->c.obj.iv);
if(icntr < NUM_INT_ARGUMENTS) iargv[icntr++] = c; else vargv[vcntr++] = c;
}
if (vcntr >= NUM_EXTRA_ARGUMENTS) {
error(E_USER,(pointer)"too many number of arguments");
}
}
/**/
if (resulttype==K_FLOAT) {
numbox.l = exec_function_f((void (*)())ifunc, iargv, fargv, vcntr, vargv);
f = numbox.d;
return(makeflt(f));
} else if (resulttype==K_FLOAT32) {
numbox.l = exec_function_f((void (*)())ifunc, iargv, fargv, vcntr, vargv);
f = (double)numbox.f;
return(makeflt(f));
} else {
c = exec_function_i((void (*)())ifunc, iargv, fargv, vcntr, vargv);
if (resulttype==K_INTEGER) {
return(mkbigint(c));
} else if (resulttype==K_STRING) {
p=makepointer(c-2*sizeof(pointer));
if (isvector(p)) return(p);
else error(E_USER,(pointer)"illegal foreign string");
} else if (iscons(resulttype)) {
/* (:string [10]) (:foreign-string [20]) */
if (ccar(resulttype)==K_STRING) { /* R.Hanai 09/07/25 */
resulttype=ccdr(resulttype);
if (resulttype!=NIL) j=ckintval(ccar(resulttype));
else j=strlen((char *)c);
return(makestring((char *)c, j));
} else if (ccar(resulttype)==K_FOREIGN_STRING) { /* R.Hanai 09/07/25 */
resulttype=ccdr(resulttype);
if (resulttype!=NIL) j=ckintval(ccar(resulttype));
else j=strlen((char *)c);
return(make_foreign_string(c, j)); }
error(E_USER,(pointer)"unknown result type");
} else error(E_USER,(pointer)"result type?");
}
}
#else /* not x86_64 */
pointer call_foreign(ifunc,code,n,args)
eusinteger_t (*ifunc)(); /* ???? */
pointer code;
int n;
pointer args[];
{ double (*ffunc)();
pointer paramtypes=code->c.fcode.paramtypes;
pointer resulttype=code->c.fcode.resulttype;
pointer p,lisparg;
eusinteger_t cargv[100];
numunion nu;
eusinteger_t i=0; /*C argument counter*//* ???? */
eusinteger_t j=0; /*lisp argument counter*//* ???? */
union {
double d;
float f;
struct {