[p5sagit/p5-mst-13.2.git] / ext / ByteLoader / bytecode.h

typedef char *pvcontents;
typedef char *strconst;
typedef U32 PV;
typedef char *op_tr_array;
typedef int comment_t;
typedef SV *svindex;
typedef OP *opindex;
typedef char *pvindex;

#define BGET_FREAD(argp, len, nelem)	\
	 bl_read(bstate->bs_fdata,(char*)(argp),(len),(nelem))
#define BGET_FGETC() bl_getc(bstate->bs_fdata)

/* all this should be made endianness-agnostic */

#define BGET_U8(arg)	arg = BGET_FGETC()
#define BGET_U16(arg)	\
	BGET_FREAD(&arg, sizeof(U16), 1)
#define BGET_U32(arg)	\
	BGET_FREAD(&arg, sizeof(U32), 1)
#define BGET_UV(arg)	\
	BGET_FREAD(&arg, sizeof(UV), 1)

#define BGET_I32(arg)	BGET_U32(arg)
#define BGET_IV(arg)	BGET_UV(arg)

#define BGET_PV(arg)	STMT_START {					\
	BGET_U32(arg);							\
	if (arg) {							\
	    New(666, bstate->bs_pv.xpv_pv, arg, char);			\
	    bl_read(bstate->bs_fdata, (void*)bstate->bs_pv.xpv_pv, arg, 1);\
	    bstate->bs_pv.xpv_len = arg;				\
	    bstate->bs_pv.xpv_cur = arg - 1;				\
	} else {							\
	    bstate->bs_pv.xpv_pv = 0;					\
	    bstate->bs_pv.xpv_len = 0;					\
	    bstate->bs_pv.xpv_cur = 0;					\
	}								\
    } STMT_END

#ifdef BYTELOADER_LOG_COMMENTS
#  define BGET_comment_t(arg) \
    STMT_START {							\
	char buf[1024];							\
	int i = 0;							\
	do {								\
	    arg = BGET_FGETC();						\
	    buf[i++] = (char)arg;					\
	} while (arg != '\n' && arg != EOF);				\
	buf[i] = '\0';							\
	PerlIO_printf(PerlIO_stderr(), "%s", buf);			\
    } STMT_END
#else
#  define BGET_comment_t(arg) \
	do { arg = BGET_FGETC(); } while (arg != '\n' && arg != EOF)
#endif


#define BGET_op_tr_array(arg) do {			\
	unsigned short *ary, len;			\
	BGET_U16(len);					\
	New(666, ary, len, unsigned short);		\
	BGET_FREAD(ary, sizeof(unsigned short), len);	\
	arg = (char *) ary;				\
    } while (0)

#define BGET_pvcontents(arg)	arg = bstate->bs_pv.xpv_pv
#define BGET_strconst(arg) STMT_START {	\
	for (arg = PL_tokenbuf; (*arg = BGET_FGETC()); arg++) /* nothing */; \
	arg = PL_tokenbuf;			\
    } STMT_END

#define BGET_NV(arg) STMT_START {	\
	char *str;			\
	BGET_strconst(str);		\
	arg = Atof(str);		\
    } STMT_END

#define BGET_objindex(arg, type) STMT_START {	\
	BGET_U32(ix);				\
	arg = (type)bstate->bs_obj_list[ix];	\
    } STMT_END
#define BGET_svindex(arg) BGET_objindex(arg, svindex)
#define BGET_opindex(arg) BGET_objindex(arg, opindex)
#define BGET_pvindex(arg) STMT_START {			\
	BGET_objindex(arg, pvindex);			\
	arg = arg ? savepv(arg) : arg;			\
    } STMT_END

#define BSET_ldspecsv(sv, arg) sv = specialsv_list[arg]
#define BSET_ldspecsvx(sv, arg) STMT_START {	\
	BSET_ldspecsv(sv, arg);			\
	BSET_OBJ_STOREX(sv);			\
    } STMT_END

#define BSET_stpv(pv, arg) STMT_START {		\
	BSET_OBJ_STORE(pv, arg);		\
	SAVEFREEPV(pv);				\
    } STMT_END
				    
#define BSET_sv_refcnt_add(svrefcnt, arg)	svrefcnt += arg
#define BSET_gp_refcnt_add(gprefcnt, arg)	gprefcnt += arg
#define BSET_gp_share(sv, arg) STMT_START {	\
	gp_free((GV*)sv);			\
	GvGP(sv) = GvGP(arg);			\
    } STMT_END

#define BSET_gv_fetchpv(sv, arg)	sv = (SV*)gv_fetchpv(arg, TRUE, SVt_PV)
#define BSET_gv_fetchpvx(sv, arg) STMT_START {	\
	BSET_gv_fetchpv(sv, arg);		\
	BSET_OBJ_STOREX(sv);			\
    } STMT_END

#define BSET_gv_stashpv(sv, arg)	sv = (SV*)gv_stashpv(arg, TRUE)
#define BSET_gv_stashpvx(sv, arg) STMT_START {	\
	BSET_gv_stashpv(sv, arg);		\
	BSET_OBJ_STOREX(sv);			\
    } STMT_END

#define BSET_sv_magic(sv, arg)		sv_magic(sv, Nullsv, arg, 0, 0)
#define BSET_mg_name(mg, arg)	mg->mg_ptr = arg; mg->mg_len = bstate->bs_pv.xpv_cur
#define BSET_mg_namex(mg, arg)			\
	(mg->mg_ptr = (char*)SvREFCNT_inc((SV*)arg),	\
	 mg->mg_len = HEf_SVKEY)
#define BSET_sv_upgrade(sv, arg)	(void)SvUPGRADE(sv, arg)
#define BSET_xpv(sv)	do {	\
	SvPV_set(sv, bstate->bs_pv.xpv_pv);	\
	SvCUR_set(sv, bstate->bs_pv.xpv_cur);	\
	SvLEN_set(sv, bstate->bs_pv.xpv_len);	\
    } while (0)
#define BSET_av_extend(sv, arg)	av_extend((AV*)sv, arg)

#define BSET_av_push(sv, arg)	av_push((AV*)sv, arg)
#define BSET_av_pushx(sv, arg)	(AvARRAY(sv)[++AvFILLp(sv)] = arg)
#define BSET_hv_store(sv, arg)	\
	hv_store((HV*)sv, bstate->bs_pv.xpv_pv, bstate->bs_pv.xpv_cur, arg, 0)
#define BSET_pv_free(pv)	Safefree(pv.xpv_pv)


#ifdef USE_ITHREADS

/* copied after the code in newPMOP() */
#define BSET_pregcomp(o, arg) \
    STMT_START { \
        SV* repointer; \
	REGEXP* rx = arg ? \
	    CALLREGCOMP(aTHX_ arg, arg + bstate->bs_pv.xpv_cur, cPMOPx(o)) : \
	    Null(REGEXP*); \
        if(av_len((AV*) PL_regex_pad[0]) > -1) { \
            repointer = av_pop((AV*)PL_regex_pad[0]); \
            cPMOPx(o)->op_pmoffset = SvIV(repointer); \
            SvREPADTMP_off(repointer); \
            sv_setiv(repointer,PTR2IV(rx)); \
        } else { \
            repointer = newSViv(PTR2IV(rx)); \
            av_push(PL_regex_padav,SvREFCNT_inc(repointer)); \
            cPMOPx(o)->op_pmoffset = av_len(PL_regex_padav); \
            PL_regex_pad = AvARRAY(PL_regex_padav); \
        } \
    } STMT_END

#else
#define BSET_pregcomp(o, arg) \
    STMT_START { \
	PM_SETRE(((PMOP*)o), (arg ? \
	     CALLREGCOMP(aTHX_ arg, arg + bstate->bs_pv.xpv_cur, cPMOPx(o)): \
	     Null(REGEXP*))); \
    } STMT_END

#endif /* USE_THREADS */


#define BSET_newsv(sv, arg)				\
	    switch(arg) {				\
	    case SVt_PVAV:				\
		sv = (SV*)newAV();			\
		break;					\
	    case SVt_PVHV:				\
		sv = (SV*)newHV();			\
		break;					\
	    default:					\
		sv = NEWSV(0,0);			\
		SvUPGRADE(sv, (arg));			\
	    }
#define BSET_newsvx(sv, arg) STMT_START {		\
	    BSET_newsv(sv, arg &  SVTYPEMASK);		\
	    SvFLAGS(sv) = arg;				\
	    BSET_OBJ_STOREX(sv);			\
	} STMT_END
#define BSET_newop(o, arg)				\
	((o = (OP*)safemalloc(arg)), memzero((char*)o,arg))
#define BSET_newopx(o, arg) STMT_START {	\
	register int sz = arg & 0x7f;		\
	register OP* new = (OP*) safemalloc(sz);\
	memzero(new, sz);			\
	/* new->op_next = o; XXX */		\
	o = new;				\
	arg >>=7;				\
	BSET_op_type(o, arg);			\
	BSET_OBJ_STOREX(o);			\
    } STMT_END

#define BSET_newopn(o, arg) STMT_START {	\
	OP *oldop = o;				\
	BSET_newop(o, arg);			\
	oldop->op_next = o;			\
    } STMT_END

#define BSET_ret(foo) STMT_START {		\
	Safefree(bstate->bs_obj_list);		\
	return 0;				\
    } STMT_END

/* 
 * stolen from toke.c: better if that was a function.
 * in toke.c there are also #ifdefs for dosish systems and i/o layers
 */

#if defined(HAS_FCNTL) && defined(F_SETFD)
#define set_clonex(fp)				\
	STMT_START {				\
	    int fd = PerlIO_fileno(fp);		\
	    fcntl(fd,F_SETFD,fd >= 3);		\
	} STMT_END
#else
#define set_clonex(fp)
#endif

#define BSET_data(dummy,arg)						\
    STMT_START {							\
	GV *gv;								\
	char *pname = "main";						\
	if (arg == 'D')							\
	    pname = HvNAME(PL_curstash ? PL_curstash : PL_defstash);	\
	gv = gv_fetchpv(Perl_form(aTHX_ "%s::DATA", pname), TRUE, SVt_PVIO);\
	GvMULTI_on(gv);							\
	if (!GvIO(gv))							\
	    GvIOp(gv) = newIO();					\
	IoIFP(GvIOp(gv)) = PL_rsfp;					\
	set_clonex(PL_rsfp);						\
	/* Mark this internal pseudo-handle as clean */			\
	IoFLAGS(GvIOp(gv)) |= IOf_UNTAINT;				\
	if (PL_preprocess)						\
	    IoTYPE(GvIOp(gv)) = IoTYPE_PIPE;				\
	else if ((PerlIO*)PL_rsfp == PerlIO_stdin())			\
	    IoTYPE(GvIOp(gv)) = IoTYPE_STD;				\
	else								\
	    IoTYPE(GvIOp(gv)) = IoTYPE_RDONLY;				\
	Safefree(bstate->bs_obj_list);					\
	return 1;							\
    } STMT_END

/* stolen from op.c */
#define BSET_load_glob(foo, gv)						\
    STMT_START {							\
        GV *glob_gv;							\
        ENTER;								\
        Perl_load_module(aTHX_ PERL_LOADMOD_NOIMPORT,			\
                newSVpvn("File::Glob", 10), Nullsv, Nullsv, Nullsv);	\
        glob_gv = gv_fetchpv("File::Glob::csh_glob", FALSE, SVt_PVCV);	\
        GvCV(gv) = GvCV(glob_gv);					\
        SvREFCNT_inc((SV*)GvCV(gv));					\
        GvIMPORTED_CV_on(gv);						\
        LEAVE;								\
    } STMT_END

/*
 * Kludge special-case workaround for OP_MAPSTART
 * which needs the ppaddr for OP_GREPSTART. Blech.
 */
#define BSET_op_type(o, arg) STMT_START {	\
	o->op_type = arg;			\
	if (arg == OP_MAPSTART)			\
	    arg = OP_GREPSTART;			\
	o->op_ppaddr = PL_ppaddr[arg];		\
    } STMT_END
#define BSET_op_ppaddr(o, arg) Perl_croak(aTHX_ "op_ppaddr not yet implemented")
#define BSET_curpad(pad, arg) STMT_START {	\
	PL_comppad = (AV *)arg;			\
	pad = AvARRAY(arg);			\
    } STMT_END

#ifdef USE_ITHREADS
#define BSET_cop_file(cop, arg)		CopFILE_set(cop,arg)
#define BSET_cop_stashpv(cop, arg)	CopSTASHPV_set(cop,arg)
#else
/* this works now that Sarathy's changed the CopFILE_set macro to do the SvREFCNT_inc()
	-- BKS 6-2-2000 */
/* that really meant the actual CopFILEGV_set */
#define BSET_cop_filegv(cop, arg)	CopFILEGV_set(cop,arg)
#define BSET_cop_stash(cop,arg)		CopSTASH_set(cop,(HV*)arg)
#endif

/* this is simply stolen from the code in newATTRSUB() */
#define BSET_push_begin(ary,cv)				\
	STMT_START {					\
            I32 oldscope = PL_scopestack_ix;		\
            ENTER;					\
            SAVECOPFILE(&PL_compiling);			\
            SAVECOPLINE(&PL_compiling);			\
            if (!PL_beginav)				\
                PL_beginav = newAV();			\
            av_push(PL_beginav, (SV*)cv);		\
	    GvCV(CvGV(cv)) = 0;               /* cv has been hijacked */\
            call_list(oldscope, PL_beginav);		\
            PL_curcop = &PL_compiling;			\
            PL_compiling.op_private = (U8)(PL_hints & HINT_PRIVATE_MASK);\
            LEAVE;					\
	} STMT_END
#define BSET_push_init(ary,cv)				\
	STMT_START {					\
	    av_unshift((PL_initav ? PL_initav : 	\
		(PL_initav = newAV(), PL_initav)), 1); 	\
	    av_store(PL_initav, 0, cv);			\
	} STMT_END
#define BSET_push_end(ary,cv)				\
	STMT_START {					\
	    av_unshift((PL_endav ? PL_endav : 		\
	    (PL_endav = newAV(), PL_endav)), 1);	\
	    av_store(PL_endav, 0, cv);			\
	} STMT_END
#define BSET_OBJ_STORE(obj, ix)			\
	((I32)ix > bstate->bs_obj_list_fill ?	\
	 bset_obj_store(aTHX_ bstate, obj, (I32)ix) : \
	 (bstate->bs_obj_list[ix] = obj),	\
	 bstate->bs_ix = ix+1)
#define BSET_OBJ_STOREX(obj)			\
	(bstate->bs_ix > bstate->bs_obj_list_fill ?	\
	 bset_obj_store(aTHX_ bstate, obj, bstate->bs_ix) : \
	 (bstate->bs_obj_list[bstate->bs_ix] = obj),	\
	 bstate->bs_ix++)

#define BSET_signal(cv, name)						\
	mg_set(*hv_store(GvHV(gv_fetchpv("SIG", TRUE, SVt_PVHV)),	\
		name, strlen(name), cv, 0))

/* NOTE: the bytecode header only sanity-checks the bytecode. If a script cares about
 * what version of Perl it's being called under, it should do a 'use 5.006_001' or
 * equivalent. However, since the header includes checks requiring an exact match in
 * ByteLoader versions (we can't guarantee forward compatibility), you don't 
 * need to specify one:
 * 	use ByteLoader;
 * is all you need.
 *	-- BKS, June 2000
*/

#define HEADER_FAIL(f)	\
	Perl_croak(aTHX_ "Invalid bytecode for this architecture: " f)
#define HEADER_FAIL1(f, arg1)	\
	Perl_croak(aTHX_ "Invalid bytecode for this architecture: " f, arg1)
#define HEADER_FAIL2(f, arg1, arg2)	\
	Perl_croak(aTHX_ "Invalid bytecode for this architecture: " f, arg1, arg2)

#define BYTECODE_HEADER_CHECK					\
	STMT_START {						\
	    U32 sz = 0;						\
	    strconst str;					\
								\
	    BGET_U32(sz); /* Magic: 'PLBC' */			\
	    if (sz != 0x43424c50) {				\
		HEADER_FAIL1("bad magic (want 0x43424c50, got %#x)", (int)sz);		\
	    }							\
	    BGET_strconst(str);	/* archname */			\
	    if (strNE(str, ARCHNAME)) {				\
		HEADER_FAIL2("wrong architecture (want %s, you have %s)",str,ARCHNAME);	\
	    }							\
	    BGET_strconst(str); /* ByteLoader version */	\
	    if (strNE(str, VERSION)) {				\
		HEADER_FAIL2("mismatched ByteLoader versions (want %s, you have %s)",	\
			str, VERSION);				\
	    }							\
	    BGET_U32(sz); /* ivsize */				\
	    if (sz != IVSIZE) {					\
		HEADER_FAIL("different IVSIZE");		\
	    }							\
	    BGET_U32(sz); /* ptrsize */				\
	    if (sz != PTRSIZE) {				\
		HEADER_FAIL("different PTRSIZE");		\
	    }							\
	} STMT_END
Commit	Line	Data
e8edd1e6	1	typedef char *pvcontents;
	2	typedef char *strconst;
	3	typedef U32 PV;
	4	typedef char *op_tr_array;
	5	typedef int comment_t;
	6	typedef SV *svindex;
	7	typedef OP *opindex;
059a8bb7	8	typedef char *pvindex;
e8edd1e6	9
e8edd1e6	10	#define BGET_FREAD(argp, len, nelem) \
059a8bb7	11	bl_read(bstate->bs_fdata,(char*)(argp),(len),(nelem))
059a8bb7	12	#define BGET_FGETC() bl_getc(bstate->bs_fdata)
e8edd1e6	13
1df34986	14	/* all this should be made endianness-agnostic */
	15
	16	#define BGET_U8(arg) arg = BGET_FGETC()
e8edd1e6	17	#define BGET_U16(arg) \
059a8bb7	18	BGET_FREAD(&arg, sizeof(U16), 1)
1df34986	19	#define BGET_U32(arg) \
	20	BGET_FREAD(&arg, sizeof(U32), 1)
	21	#define BGET_UV(arg) \
	22	BGET_FREAD(&arg, sizeof(UV), 1)
	23
	24	#define BGET_I32(arg) BGET_U32(arg)
	25	#define BGET_IV(arg) BGET_UV(arg)
e8edd1e6	26
059a8bb7	27	#define BGET_PV(arg) STMT_START { \
	28	BGET_U32(arg); \
	29	if (arg) { \
	30	New(666, bstate->bs_pv.xpv_pv, arg, char); \
1df34986	31	bl_read(bstate->bs_fdata, (void*)bstate->bs_pv.xpv_pv, arg, 1);\
059a8bb7	32	bstate->bs_pv.xpv_len = arg; \
	33	bstate->bs_pv.xpv_cur = arg - 1; \
	34	} else { \
	35	bstate->bs_pv.xpv_pv = 0; \
	36	bstate->bs_pv.xpv_len = 0; \
	37	bstate->bs_pv.xpv_cur = 0; \
	38	} \
e8edd1e6	39	} STMT_END
e8edd1e6	40
fc290457	41	#ifdef BYTELOADER_LOG_COMMENTS
	42	# define BGET_comment_t(arg) \
	43	STMT_START { \
	44	char buf[1024]; \
	45	int i = 0; \
	46	do { \
	47	arg = BGET_FGETC(); \
	48	buf[i++] = (char)arg; \
	49	} while (arg != '\n' && arg != EOF); \
	50	buf[i] = '\0'; \
	51	PerlIO_printf(PerlIO_stderr(), "%s", buf); \
	52	} STMT_END
	53	#else
	54	# define BGET_comment_t(arg) \
e8edd1e6	55	do { arg = BGET_FGETC(); } while (arg != '\n' && arg != EOF)
fc290457	56	#endif
e8edd1e6	57
78c6a0b0	58
059a8bb7	59	#define BGET_op_tr_array(arg) do { \
1df34986	60	unsigned short *ary, len; \
	61	BGET_U16(len); \
	62	New(666, ary, len, unsigned short); \
	63	BGET_FREAD(ary, sizeof(unsigned short), len); \
059a8bb7	64	arg = (char *) ary; \
e8edd1e6	65	} while (0)
e8edd1e6	66
059a8bb7	67	#define BGET_pvcontents(arg) arg = bstate->bs_pv.xpv_pv
e8edd1e6	68	#define BGET_strconst(arg) STMT_START { \
	69	for (arg = PL_tokenbuf; (arg = BGET_FGETC()); arg++) / nothing */; \
	70	arg = PL_tokenbuf; \
	71	} STMT_END
	72
cad2e5aa	73	#define BGET_NV(arg) STMT_START { \
e8edd1e6	74	char *str; \
e8edd1e6	75	BGET_strconst(str); \
ac26f109	76	arg = Atof(str); \
e8edd1e6	77	} STMT_END
	78
	79	#define BGET_objindex(arg, type) STMT_START { \
e8edd1e6	80	BGET_U32(ix); \
059a8bb7	81	arg = (type)bstate->bs_obj_list[ix]; \
e8edd1e6	82	} STMT_END
	83	#define BGET_svindex(arg) BGET_objindex(arg, svindex)
	84	#define BGET_opindex(arg) BGET_objindex(arg, opindex)
059a8bb7	85	#define BGET_pvindex(arg) STMT_START { \
	86	BGET_objindex(arg, pvindex); \
	87	arg = arg ? savepv(arg) : arg; \
	88	} STMT_END
e8edd1e6	89
e8edd1e6	90	#define BSET_ldspecsv(sv, arg) sv = specialsv_list[arg]
566ece03	91	#define BSET_ldspecsvx(sv, arg) STMT_START { \
	92	BSET_ldspecsv(sv, arg); \
	93	BSET_OBJ_STOREX(sv); \
	94	} STMT_END
	95
059a8bb7	96	#define BSET_stpv(pv, arg) STMT_START { \
	97	BSET_OBJ_STORE(pv, arg); \
	98	SAVEFREEPV(pv); \
	99	} STMT_END
e8edd1e6	100
	101	#define BSET_sv_refcnt_add(svrefcnt, arg) svrefcnt += arg
	102	#define BSET_gp_refcnt_add(gprefcnt, arg) gprefcnt += arg
	103	#define BSET_gp_share(sv, arg) STMT_START { \
	104	gp_free((GV*)sv); \
	105	GvGP(sv) = GvGP(arg); \
	106	} STMT_END
	107
	108	#define BSET_gv_fetchpv(sv, arg) sv = (SV*)gv_fetchpv(arg, TRUE, SVt_PV)
566ece03	109	#define BSET_gv_fetchpvx(sv, arg) STMT_START { \
	110	BSET_gv_fetchpv(sv, arg); \
	111	BSET_OBJ_STOREX(sv); \
	112	} STMT_END
	113
e8edd1e6	114	#define BSET_gv_stashpv(sv, arg) sv = (SV*)gv_stashpv(arg, TRUE)
566ece03	115	#define BSET_gv_stashpvx(sv, arg) STMT_START { \
	116	BSET_gv_stashpv(sv, arg); \
	117	BSET_OBJ_STOREX(sv); \
	118	} STMT_END
	119
e8edd1e6	120	#define BSET_sv_magic(sv, arg) sv_magic(sv, Nullsv, arg, 0, 0)
1df34986	121	#define BSET_mg_name(mg, arg) mg->mg_ptr = arg; mg->mg_len = bstate->bs_pv.xpv_cur
	122	#define BSET_mg_namex(mg, arg) \
	123	(mg->mg_ptr = (char)SvREFCNT_inc((SV)arg), \
	124	mg->mg_len = HEf_SVKEY)
e8edd1e6	125	#define BSET_sv_upgrade(sv, arg) (void)SvUPGRADE(sv, arg)
e8edd1e6	126	#define BSET_xpv(sv) do { \
059a8bb7	127	SvPV_set(sv, bstate->bs_pv.xpv_pv); \
	128	SvCUR_set(sv, bstate->bs_pv.xpv_cur); \
	129	SvLEN_set(sv, bstate->bs_pv.xpv_len); \
e8edd1e6	130	} while (0)
	131	#define BSET_av_extend(sv, arg) av_extend((AV*)sv, arg)
	132
	133	#define BSET_av_push(sv, arg) av_push((AV*)sv, arg)
1df34986	134	#define BSET_av_pushx(sv, arg) (AvARRAY(sv)[++AvFILLp(sv)] = arg)
e8edd1e6	135	#define BSET_hv_store(sv, arg) \
059a8bb7	136	hv_store((HV*)sv, bstate->bs_pv.xpv_pv, bstate->bs_pv.xpv_cur, arg, 0)
e8edd1e6	137	#define BSET_pv_free(pv) Safefree(pv.xpv_pv)
1df34986	138
	139
	140	#ifdef USE_ITHREADS
	141
	142	/* copied after the code in newPMOP() */
e8edd1e6	143	#define BSET_pregcomp(o, arg) \
1df34986	144	STMT_START { \
	145	SV* repointer; \
	146	REGEXP* rx = arg ? \
	147	CALLREGCOMP(aTHX_ arg, arg + bstate->bs_pv.xpv_cur, cPMOPx(o)) : \
	148	Null(REGEXP*); \
	149	if(av_len((AV*) PL_regex_pad[0]) > -1) { \
	150	repointer = av_pop((AV*)PL_regex_pad[0]); \
	151	cPMOPx(o)->op_pmoffset = SvIV(repointer); \
	152	SvREPADTMP_off(repointer); \
	153	sv_setiv(repointer,PTR2IV(rx)); \
	154	} else { \
	155	repointer = newSViv(PTR2IV(rx)); \
	156	av_push(PL_regex_padav,SvREFCNT_inc(repointer)); \
	157	cPMOPx(o)->op_pmoffset = av_len(PL_regex_padav); \
	158	PL_regex_pad = AvARRAY(PL_regex_padav); \
	159	} \
	160	} STMT_END
	161
	162	#else
	163	#define BSET_pregcomp(o, arg) \
	164	STMT_START { \
	165	PM_SETRE(((PMOP*)o), (arg ? \
	166	CALLREGCOMP(aTHX_ arg, arg + bstate->bs_pv.xpv_cur, cPMOPx(o)): \
	167	Null(REGEXP*))); \
	168	} STMT_END
	169
	170	#endif /* USE_THREADS */
	171
	172
059a8bb7	173	#define BSET_newsv(sv, arg) \
ecd04c98	174	switch(arg) { \
	175	case SVt_PVAV: \
	176	sv = (SV*)newAV(); \
	177	break; \
	178	case SVt_PVHV: \
	179	sv = (SV*)newHV(); \
	180	break; \
	181	default: \
	182	sv = NEWSV(0,0); \
	183	SvUPGRADE(sv, (arg)); \
	184	}
566ece03	185	#define BSET_newsvx(sv, arg) STMT_START { \
	186	BSET_newsv(sv, arg & SVTYPEMASK); \
	187	SvFLAGS(sv) = arg; \
	188	BSET_OBJ_STOREX(sv); \
	189	} STMT_END
1df34986	190	#define BSET_newop(o, arg) \
1df34986	191	((o = (OP)safemalloc(arg)), memzero((char)o,arg))
566ece03	192	#define BSET_newopx(o, arg) STMT_START { \
	193	register int sz = arg & 0x7f; \
	194	register OP* new = (OP*) safemalloc(sz);\
	195	memzero(new, sz); \
	196	/* new->op_next = o; XXX */ \
	197	o = new; \
	198	arg >>=7; \
	199	BSET_op_type(o, arg); \
	200	BSET_OBJ_STOREX(o); \
	201	} STMT_END
	202
e8edd1e6	203	#define BSET_newopn(o, arg) STMT_START { \
	204	OP *oldop = o; \
	205	BSET_newop(o, arg); \
	206	oldop->op_next = o; \
	207	} STMT_END
	208
1df34986	209	#define BSET_ret(foo) STMT_START { \
	210	Safefree(bstate->bs_obj_list); \
	211	return 0; \
	212	} STMT_END
	213
	214	/*
	215	* stolen from toke.c: better if that was a function.
	216	* in toke.c there are also #ifdefs for dosish systems and i/o layers
	217	*/
	218
	219	#if defined(HAS_FCNTL) && defined(F_SETFD)
	220	#define set_clonex(fp) \
	221	STMT_START { \
	222	int fd = PerlIO_fileno(fp); \
	223	fcntl(fd,F_SETFD,fd >= 3); \
	224	} STMT_END
	225	#else
	226	#define set_clonex(fp)
	227	#endif
	228
	229	#define BSET_data(dummy,arg) \
	230	STMT_START { \
	231	GV *gv; \
	232	char *pname = "main"; \
	233	if (arg == 'D') \
	234	pname = HvNAME(PL_curstash ? PL_curstash : PL_defstash); \
	235	gv = gv_fetchpv(Perl_form(aTHX_ "%s::DATA", pname), TRUE, SVt_PVIO);\
	236	GvMULTI_on(gv); \
	237	if (!GvIO(gv)) \
	238	GvIOp(gv) = newIO(); \
	239	IoIFP(GvIOp(gv)) = PL_rsfp; \
	240	set_clonex(PL_rsfp); \
	241	/* Mark this internal pseudo-handle as clean */ \
	242	IoFLAGS(GvIOp(gv)) \|= IOf_UNTAINT; \
	243	if (PL_preprocess) \
	244	IoTYPE(GvIOp(gv)) = IoTYPE_PIPE; \
	245	else if ((PerlIO*)PL_rsfp == PerlIO_stdin()) \
	246	IoTYPE(GvIOp(gv)) = IoTYPE_STD; \
	247	else \
	248	IoTYPE(GvIOp(gv)) = IoTYPE_RDONLY; \
	249	Safefree(bstate->bs_obj_list); \
	250	return 1; \
	251	} STMT_END
	252
	253	/* stolen from op.c */
	254	#define BSET_load_glob(foo, gv) \
	255	STMT_START { \
	256	GV *glob_gv; \
	257	ENTER; \
	258	Perl_load_module(aTHX_ PERL_LOADMOD_NOIMPORT, \
	259	newSVpvn("File::Glob", 10), Nullsv, Nullsv, Nullsv); \
	260	glob_gv = gv_fetchpv("File::Glob::csh_glob", FALSE, SVt_PVCV); \
	261	GvCV(gv) = GvCV(glob_gv); \
	262	SvREFCNT_inc((SV*)GvCV(gv)); \
	263	GvIMPORTED_CV_on(gv); \
	264	LEAVE; \
059a8bb7	265	} STMT_END
e8edd1e6	266
	267	/*
	268	* Kludge special-case workaround for OP_MAPSTART
	269	* which needs the ppaddr for OP_GREPSTART. Blech.
	270	*/
	271	#define BSET_op_type(o, arg) STMT_START { \
	272	o->op_type = arg; \
	273	if (arg == OP_MAPSTART) \
	274	arg = OP_GREPSTART; \
	275	o->op_ppaddr = PL_ppaddr[arg]; \
	276	} STMT_END
cea2e8a9	277	#define BSET_op_ppaddr(o, arg) Perl_croak(aTHX_ "op_ppaddr not yet implemented")
e8edd1e6	278	#define BSET_curpad(pad, arg) STMT_START { \
	279	PL_comppad = (AV *)arg; \
	280	pad = AvARRAY(arg); \
	281	} STMT_END
1df34986	282
1df34986	283	#ifdef USE_ITHREADS
11faa288	284	#define BSET_cop_file(cop, arg) CopFILE_set(cop,arg)
11faa288	285	#define BSET_cop_stashpv(cop, arg) CopSTASHPV_set(cop,arg)
1df34986	286	#else
	287	/* this works now that Sarathy's changed the CopFILE_set macro to do the SvREFCNT_inc()
	288	-- BKS 6-2-2000 */
	289	/* that really meant the actual CopFILEGV_set */
	290	#define BSET_cop_filegv(cop, arg) CopFILEGV_set(cop,arg)
	291	#define BSET_cop_stash(cop,arg) CopSTASH_set(cop,(HV*)arg)
	292	#endif
e8edd1e6	293
059a8bb7	294	/* this is simply stolen from the code in newATTRSUB() */
	295	#define BSET_push_begin(ary,cv) \
	296	STMT_START { \
1df34986	297	I32 oldscope = PL_scopestack_ix; \
	298	ENTER; \
	299	SAVECOPFILE(&PL_compiling); \
	300	SAVECOPLINE(&PL_compiling); \
	301	if (!PL_beginav) \
	302	PL_beginav = newAV(); \
	303	av_push(PL_beginav, (SV*)cv); \
	304	GvCV(CvGV(cv)) = 0; /* cv has been hijacked */\
	305	call_list(oldscope, PL_beginav); \
	306	PL_curcop = &PL_compiling; \
	307	PL_compiling.op_private = (U8)(PL_hints & HINT_PRIVATE_MASK);\
	308	LEAVE; \
059a8bb7	309	} STMT_END
1df34986	310	#define BSET_push_init(ary,cv) \
	311	STMT_START { \
	312	av_unshift((PL_initav ? PL_initav : \
	313	(PL_initav = newAV(), PL_initav)), 1); \
	314	av_store(PL_initav, 0, cv); \
059a8bb7	315	} STMT_END
1df34986	316	#define BSET_push_end(ary,cv) \
	317	STMT_START { \
	318	av_unshift((PL_endav ? PL_endav : \
	319	(PL_endav = newAV(), PL_endav)), 1); \
	320	av_store(PL_endav, 0, cv); \
059a8bb7	321	} STMT_END
059a8bb7	322	#define BSET_OBJ_STORE(obj, ix) \
566ece03	323	((I32)ix > bstate->bs_obj_list_fill ? \
	324	bset_obj_store(aTHX_ bstate, obj, (I32)ix) : \
	325	(bstate->bs_obj_list[ix] = obj), \
	326	bstate->bs_ix = ix+1)
	327	#define BSET_OBJ_STOREX(obj) \
	328	(bstate->bs_ix > bstate->bs_obj_list_fill ? \
	329	bset_obj_store(aTHX_ bstate, obj, bstate->bs_ix) : \
	330	(bstate->bs_obj_list[bstate->bs_ix] = obj), \
	331	bstate->bs_ix++)
1df34986	332
	333	#define BSET_signal(cv, name) \
	334	mg_set(*hv_store(GvHV(gv_fetchpv("SIG", TRUE, SVt_PVHV)), \
	335	name, strlen(name), cv, 0))
059a8bb7	336
059a8bb7	337	/* NOTE: the bytecode header only sanity-checks the bytecode. If a script cares about
3b825e41	338	* what version of Perl it's being called under, it should do a 'use 5.006_001' or
059a8bb7	339	* equivalent. However, since the header includes checks requiring an exact match in
	340	* ByteLoader versions (we can't guarantee forward compatibility), you don't
	341	* need to specify one:
	342	* use ByteLoader;
	343	* is all you need.
	344	* -- BKS, June 2000
	345	*/
	346
d2560b70	347	#define HEADER_FAIL(f) \
	348	Perl_croak(aTHX_ "Invalid bytecode for this architecture: " f)
	349	#define HEADER_FAIL1(f, arg1) \
	350	Perl_croak(aTHX_ "Invalid bytecode for this architecture: " f, arg1)
	351	#define HEADER_FAIL2(f, arg1, arg2) \
059a8bb7	352	Perl_croak(aTHX_ "Invalid bytecode for this architecture: " f, arg1, arg2)
	353
	354	#define BYTECODE_HEADER_CHECK \
	355	STMT_START { \
	356	U32 sz = 0; \
	357	strconst str; \
	358	\
	359	BGET_U32(sz); /* Magic: 'PLBC' */ \
	360	if (sz != 0x43424c50) { \
d2560b70	361	HEADER_FAIL1("bad magic (want 0x43424c50, got %#x)", (int)sz); \
059a8bb7	362	} \
	363	BGET_strconst(str); /* archname */ \
	364	if (strNE(str, ARCHNAME)) { \
d2560b70	365	HEADER_FAIL2("wrong architecture (want %s, you have %s)",str,ARCHNAME); \
059a8bb7	366	} \
	367	BGET_strconst(str); /* ByteLoader version */ \
	368	if (strNE(str, VERSION)) { \
d2560b70	369	HEADER_FAIL2("mismatched ByteLoader versions (want %s, you have %s)", \
059a8bb7	370	str, VERSION); \
	371	} \
	372	BGET_U32(sz); /* ivsize */ \
	373	if (sz != IVSIZE) { \
d2560b70	374	HEADER_FAIL("different IVSIZE"); \
059a8bb7	375	} \
	376	BGET_U32(sz); /* ptrsize */ \
	377	if (sz != PTRSIZE) { \
d2560b70	378	HEADER_FAIL("different PTRSIZE"); \
059a8bb7	379	} \
059a8bb7	380	} STMT_END