[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) STMT_START {					\
	const int _arg = BGET_FGETC();					\
	if (_arg < 0) {							\
	    Perl_croak(aTHX_						\
		       "EOF or error while trying to read 1 byte for U8"); \
	}								\
	arg = (U8) _arg;						\
    } STMT_END

#define BGET_U16(arg)		BGET_OR_CROAK(arg, U16)
#define BGET_I32(arg)		BGET_OR_CROAK(arg, U32)
#define BGET_U32(arg)		BGET_OR_CROAK(arg, U32)
#define BGET_IV(arg)		BGET_OR_CROAK(arg, IV)
#define BGET_PADOFFSET(arg)	BGET_OR_CROAK(arg, PADOFFSET)
#define BGET_long(arg)		BGET_OR_CROAK(arg, long)
#define BGET_svtype(arg)	BGET_OR_CROAK(arg, svtype)

#define BGET_OR_CROAK(arg, type) STMT_START {				\
	if (BGET_FREAD(&arg, sizeof(type), 1) < 1) {			\
	    Perl_croak(aTHX_						\
		       "EOF or error while trying to read %d bytes for %s", \
		       sizeof(type), STRINGIFY(type));			\
	}								\
    } STMT_END

#define BGET_PV(arg)	STMT_START {					\
	BGET_U32(arg);							\
	if (arg) {							\
	    Newx(bstate->bs_pv.pvx, arg, char);			\
	    bl_read(bstate->bs_fdata, bstate->bs_pv.pvx, arg, 1);	\
	    bstate->bs_pv.xpv.xpv_len = arg;				\
	    bstate->bs_pv.xpv.xpv_cur = arg - 1;			\
	} else {							\
	    bstate->bs_pv.pvx = 0;					\
	    bstate->bs_pv.xpv.xpv_len = 0;				\
	    bstate->bs_pv.xpv.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);					\
	Newx(ary, len, unsigned short);		\
	BGET_FREAD(ary, sizeof(unsigned short), len);	\
	arg = (char *) ary;				\
    } while (0)

#define BGET_pvcontents(arg)	arg = bstate->bs_pv.pvx
#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) STMT_START {				\
	if(arg >= sizeof(specialsv_list) / sizeof(specialsv_list[0])) {	\
	    Perl_croak(aTHX_ "Out of range special SV number %d", arg);	\
	}								\
	sv = specialsv_list[arg];					\
    } STMT_END

#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.xpv_cur
#define BSET_mg_namex(mg, arg)			\
	(mg->mg_ptr = (char*)SvREFCNT_inc((SV*)arg),	\
	 mg->mg_len = HEf_SVKEY)
#define BSET_xmg_stash(sv, arg) *(SV**)&(((XPVMG*)SvANY(sv))->xmg_stash) = (arg)
#define BSET_sv_upgrade(sv, arg)	(void)SvUPGRADE(sv, arg)
#define BSET_xrv(sv, arg) SvRV_set(sv, arg)
#define BSET_xpv(sv)	do {	\
	SvPV_set(sv, bstate->bs_pv.pvx);	\
	SvCUR_set(sv, bstate->bs_pv.xpv.xpv_cur);	\
	SvLEN_set(sv, bstate->bs_pv.xpv.xpv_len);	\
    } while (0)
#define BSET_xpv_cur(sv, arg) SvCUR_set(sv, arg)
#define BSET_xpv_len(sv, arg) SvLEN_set(sv, arg)
#define BSET_xiv(sv, arg) SvIV_set(sv, arg)
#define BSET_xnv(sv, arg) SvNV_set(sv, arg)

#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.pvx, bstate->bs_pv.xpv.xpv_cur, arg, 0)
#define BSET_pv_free(p)	Safefree(p)


#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.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.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);				\
		SvUPGRADE(sv, (arg));			\
	    }
#define BSET_newsvx(sv, arg) STMT_START {		\
	    BSET_newsv(sv, (svtype)(arg &  SVTYPEMASK));		\
	    SvFLAGS(sv) = arg;				\
	    BSET_OBJ_STOREX(sv);			\
	} STMT_END

#define BSET_newop(o, arg)	NewOpSz(666, o, arg)
#define BSET_newopx(o, arg) STMT_START {	\
	register int sz = arg & 0x7f;		\
	register OP* newop;			\
	BSET_newop(newop, sz);			\
	/* newop->op_next = o; XXX */		\
	o = newop;				\
	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

#define BSET_op_pmstashpv(op, arg)	PmopSTASHPV_set(op, arg)

/* 
 * 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;			\
            CopHINTS_set(&PL_compiling, PL_hints);	\
            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))

#define BSET_xhv_name(hv, name)	hv_name_set((HV*)hv, name, strlen(name), 0)
#define BSET_cop_arybase(c, b) CopARYBASE_set(c, b)
#define BSET_cop_warnings(c, w) \
	STMT_START {							\
	    if (specialWARN((STRLEN *)w)) {				\
		c->cop_warnings = (STRLEN *)w;				\
	    } else {							\
		STRLEN len;						\
		const char *const p = SvPV_const(w, len);		\
		c->cop_warnings =					\
		    Perl_new_warnings_bitfield(aTHX_ NULL, p, len);	\
		SvREFCNT_dec(w);					\
	    }								\
	} STMT_END
#define BSET_gp_file(gv, file) \
	STMT_START {							\
	    STRLEN len = strlen(file);					\
	    U32 hash;							\
	    PERL_HASH(hash, file, len);					\
	    if(GvFILE_HEK(gv)) {					\
		Perl_unshare_hek(aTHX_ GvFILE_HEK(gv));			\
	    }								\
	    GvGP(gv)->gp_file_hek = share_hek(file, len, hash);		\
	    Safefree(file);						\
	} STMT_END

/* 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 */
1df34986	15
7d78471c	16	#define BGET_U8(arg) STMT_START { \
	17	const int _arg = BGET_FGETC(); \
	18	if (_arg < 0) { \
	19	Perl_croak(aTHX_ \
	20	"EOF or error while trying to read 1 byte for U8"); \
	21	} \
	22	arg = (U8) _arg; \
	23	} STMT_END
1df34986	24
7d78471c	25	#define BGET_U16(arg) BGET_OR_CROAK(arg, U16)
	26	#define BGET_I32(arg) BGET_OR_CROAK(arg, U32)
	27	#define BGET_U32(arg) BGET_OR_CROAK(arg, U32)
77c09718	28	#define BGET_IV(arg) BGET_OR_CROAK(arg, IV)
77c09718	29	#define BGET_PADOFFSET(arg) BGET_OR_CROAK(arg, PADOFFSET)
7d78471c	30	#define BGET_long(arg) BGET_OR_CROAK(arg, long)
103a1051	31	#define BGET_svtype(arg) BGET_OR_CROAK(arg, svtype)
7d78471c	32
	33	#define BGET_OR_CROAK(arg, type) STMT_START { \
	34	if (BGET_FREAD(&arg, sizeof(type), 1) < 1) { \
	35	Perl_croak(aTHX_ \
	36	"EOF or error while trying to read %d bytes for %s", \
	37	sizeof(type), STRINGIFY(type)); \
	38	} \
	39	} STMT_END
e8edd1e6	40
059a8bb7	41	#define BGET_PV(arg) STMT_START { \
	42	BGET_U32(arg); \
	43	if (arg) { \
a02a5408	44	Newx(bstate->bs_pv.pvx, arg, char); \
7b2c381c	45	bl_read(bstate->bs_fdata, bstate->bs_pv.pvx, arg, 1); \
	46	bstate->bs_pv.xpv.xpv_len = arg; \
	47	bstate->bs_pv.xpv.xpv_cur = arg - 1; \
059a8bb7	48	} else { \
7b2c381c	49	bstate->bs_pv.pvx = 0; \
	50	bstate->bs_pv.xpv.xpv_len = 0; \
	51	bstate->bs_pv.xpv.xpv_cur = 0; \
059a8bb7	52	} \
e8edd1e6	53	} STMT_END
e8edd1e6	54
fc290457	55	#ifdef BYTELOADER_LOG_COMMENTS
	56	# define BGET_comment_t(arg) \
	57	STMT_START { \
	58	char buf[1024]; \
	59	int i = 0; \
	60	do { \
	61	arg = BGET_FGETC(); \
	62	buf[i++] = (char)arg; \
	63	} while (arg != '\n' && arg != EOF); \
	64	buf[i] = '\0'; \
	65	PerlIO_printf(PerlIO_stderr(), "%s", buf); \
	66	} STMT_END
	67	#else
	68	# define BGET_comment_t(arg) \
e8edd1e6	69	do { arg = BGET_FGETC(); } while (arg != '\n' && arg != EOF)
fc290457	70	#endif
e8edd1e6	71
78c6a0b0	72
059a8bb7	73	#define BGET_op_tr_array(arg) do { \
1df34986	74	unsigned short *ary, len; \
1df34986	75	BGET_U16(len); \
a02a5408	76	Newx(ary, len, unsigned short); \
1df34986	77	BGET_FREAD(ary, sizeof(unsigned short), len); \
059a8bb7	78	arg = (char *) ary; \
e8edd1e6	79	} while (0)
e8edd1e6	80
7b2c381c	81	#define BGET_pvcontents(arg) arg = bstate->bs_pv.pvx
e8edd1e6	82	#define BGET_strconst(arg) STMT_START { \
	83	for (arg = PL_tokenbuf; (arg = BGET_FGETC()); arg++) / nothing */; \
	84	arg = PL_tokenbuf; \
	85	} STMT_END
	86
cad2e5aa	87	#define BGET_NV(arg) STMT_START { \
e8edd1e6	88	char *str; \
e8edd1e6	89	BGET_strconst(str); \
ac26f109	90	arg = Atof(str); \
e8edd1e6	91	} STMT_END
	92
	93	#define BGET_objindex(arg, type) STMT_START { \
e8edd1e6	94	BGET_U32(ix); \
059a8bb7	95	arg = (type)bstate->bs_obj_list[ix]; \
e8edd1e6	96	} STMT_END
	97	#define BGET_svindex(arg) BGET_objindex(arg, svindex)
	98	#define BGET_opindex(arg) BGET_objindex(arg, opindex)
059a8bb7	99	#define BGET_pvindex(arg) STMT_START { \
	100	BGET_objindex(arg, pvindex); \
	101	arg = arg ? savepv(arg) : arg; \
	102	} STMT_END
e8edd1e6	103
578e3dbc	104	#define BSET_ldspecsv(sv, arg) STMT_START { \
	105	if(arg >= sizeof(specialsv_list) / sizeof(specialsv_list[0])) { \
	106	Perl_croak(aTHX_ "Out of range special SV number %d", arg); \
	107	} \
	108	sv = specialsv_list[arg]; \
93d343c6	109	} STMT_END
93d343c6	110
566ece03	111	#define BSET_ldspecsvx(sv, arg) STMT_START { \
	112	BSET_ldspecsv(sv, arg); \
	113	BSET_OBJ_STOREX(sv); \
	114	} STMT_END
	115
059a8bb7	116	#define BSET_stpv(pv, arg) STMT_START { \
	117	BSET_OBJ_STORE(pv, arg); \
	118	SAVEFREEPV(pv); \
	119	} STMT_END
e8edd1e6	120
	121	#define BSET_sv_refcnt_add(svrefcnt, arg) svrefcnt += arg
	122	#define BSET_gp_refcnt_add(gprefcnt, arg) gprefcnt += arg
	123	#define BSET_gp_share(sv, arg) STMT_START { \
	124	gp_free((GV*)sv); \
	125	GvGP(sv) = GvGP(arg); \
	126	} STMT_END
	127
	128	#define BSET_gv_fetchpv(sv, arg) sv = (SV*)gv_fetchpv(arg, TRUE, SVt_PV)
566ece03	129	#define BSET_gv_fetchpvx(sv, arg) STMT_START { \
	130	BSET_gv_fetchpv(sv, arg); \
	131	BSET_OBJ_STOREX(sv); \
	132	} STMT_END
	133
e8edd1e6	134	#define BSET_gv_stashpv(sv, arg) sv = (SV*)gv_stashpv(arg, TRUE)
566ece03	135	#define BSET_gv_stashpvx(sv, arg) STMT_START { \
	136	BSET_gv_stashpv(sv, arg); \
	137	BSET_OBJ_STOREX(sv); \
	138	} STMT_END
	139
e8edd1e6	140	#define BSET_sv_magic(sv, arg) sv_magic(sv, Nullsv, arg, 0, 0)
7b2c381c	141	#define BSET_mg_name(mg, arg) mg->mg_ptr = arg; mg->mg_len = bstate->bs_pv.xpv.xpv_cur
1df34986	142	#define BSET_mg_namex(mg, arg) \
	143	(mg->mg_ptr = (char)SvREFCNT_inc((SV)arg), \
	144	mg->mg_len = HEf_SVKEY)
03687789	145	#define BSET_xmg_stash(sv, arg) (SV)&(((XPVMG)SvANY(sv))->xmg_stash) = (arg)
e8edd1e6	146	#define BSET_sv_upgrade(sv, arg) (void)SvUPGRADE(sv, arg)
87a1ef3d	147	#define BSET_xrv(sv, arg) SvRV_set(sv, arg)
e8edd1e6	148	#define BSET_xpv(sv) do { \
7b2c381c	149	SvPV_set(sv, bstate->bs_pv.pvx); \
	150	SvCUR_set(sv, bstate->bs_pv.xpv.xpv_cur); \
	151	SvLEN_set(sv, bstate->bs_pv.xpv.xpv_len); \
e8edd1e6	152	} while (0)
87a1ef3d	153	#define BSET_xpv_cur(sv, arg) SvCUR_set(sv, arg)
	154	#define BSET_xpv_len(sv, arg) SvLEN_set(sv, arg)
	155	#define BSET_xiv(sv, arg) SvIV_set(sv, arg)
	156	#define BSET_xnv(sv, arg) SvNV_set(sv, arg)
	157
e8edd1e6	158	#define BSET_av_extend(sv, arg) av_extend((AV*)sv, arg)
	159
	160	#define BSET_av_push(sv, arg) av_push((AV*)sv, arg)
1df34986	161	#define BSET_av_pushx(sv, arg) (AvARRAY(sv)[++AvFILLp(sv)] = arg)
e8edd1e6	162	#define BSET_hv_store(sv, arg) \
7b2c381c	163	hv_store((HV*)sv, bstate->bs_pv.pvx, bstate->bs_pv.xpv.xpv_cur, arg, 0)
7b2c381c	164	#define BSET_pv_free(p) Safefree(p)
1df34986	165
	166
	167	#ifdef USE_ITHREADS
	168
	169	/* copied after the code in newPMOP() */
e8edd1e6	170	#define BSET_pregcomp(o, arg) \
1df34986	171	STMT_START { \
	172	SV* repointer; \
	173	REGEXP* rx = arg ? \
7b2c381c	174	CALLREGCOMP(aTHX_ arg, arg + bstate->bs_pv.xpv.xpv_cur, cPMOPx(o)) : \
1df34986	175	Null(REGEXP*); \
	176	if(av_len((AV*) PL_regex_pad[0]) > -1) { \
	177	repointer = av_pop((AV*)PL_regex_pad[0]); \
	178	cPMOPx(o)->op_pmoffset = SvIV(repointer); \
	179	SvREPADTMP_off(repointer); \
	180	sv_setiv(repointer,PTR2IV(rx)); \
	181	} else { \
	182	repointer = newSViv(PTR2IV(rx)); \
	183	av_push(PL_regex_padav,SvREFCNT_inc(repointer)); \
	184	cPMOPx(o)->op_pmoffset = av_len(PL_regex_padav); \
	185	PL_regex_pad = AvARRAY(PL_regex_padav); \
	186	} \
	187	} STMT_END
	188
	189	#else
	190	#define BSET_pregcomp(o, arg) \
	191	STMT_START { \
	192	PM_SETRE(((PMOP*)o), (arg ? \
7b2c381c	193	CALLREGCOMP(aTHX_ arg, arg + bstate->bs_pv.xpv.xpv_cur, cPMOPx(o)): \
1df34986	194	Null(REGEXP*))); \
	195	} STMT_END
	196
	197	#endif /* USE_THREADS */
	198
	199
059a8bb7	200	#define BSET_newsv(sv, arg) \
ecd04c98	201	switch(arg) { \
	202	case SVt_PVAV: \
	203	sv = (SV*)newAV(); \
	204	break; \
	205	case SVt_PVHV: \
	206	sv = (SV*)newHV(); \
	207	break; \
	208	default: \
561b68a9	209	sv = newSV(0); \
ecd04c98	210	SvUPGRADE(sv, (arg)); \
ecd04c98	211	}
566ece03	212	#define BSET_newsvx(sv, arg) STMT_START { \
87d46f97	213	BSET_newsv(sv, (svtype)(arg & SVTYPEMASK)); \
566ece03	214	SvFLAGS(sv) = arg; \
	215	BSET_OBJ_STOREX(sv); \
	216	} STMT_END
c7e45529	217
c7e45529	218	#define BSET_newop(o, arg) NewOpSz(666, o, arg)
566ece03	219	#define BSET_newopx(o, arg) STMT_START { \
566ece03	220	register int sz = arg & 0x7f; \
c7e45529	221	register OP* newop; \
	222	BSET_newop(newop, sz); \
	223	/* newop->op_next = o; XXX */ \
	224	o = newop; \
566ece03	225	arg >>=7; \
	226	BSET_op_type(o, arg); \
	227	BSET_OBJ_STOREX(o); \
	228	} STMT_END
	229
e8edd1e6	230	#define BSET_newopn(o, arg) STMT_START { \
	231	OP *oldop = o; \
	232	BSET_newop(o, arg); \
	233	oldop->op_next = o; \
	234	} STMT_END
	235
1df34986	236	#define BSET_ret(foo) STMT_START { \
	237	Safefree(bstate->bs_obj_list); \
	238	return 0; \
	239	} STMT_END
	240
47682f07	241	#define BSET_op_pmstashpv(op, arg) PmopSTASHPV_set(op, arg)
47682f07	242
1df34986	243	/*
	244	* stolen from toke.c: better if that was a function.
	245	* in toke.c there are also #ifdefs for dosish systems and i/o layers
	246	*/
	247
	248	#if defined(HAS_FCNTL) && defined(F_SETFD)
	249	#define set_clonex(fp) \
	250	STMT_START { \
	251	int fd = PerlIO_fileno(fp); \
	252	fcntl(fd,F_SETFD,fd >= 3); \
	253	} STMT_END
	254	#else
	255	#define set_clonex(fp)
	256	#endif
	257
	258	#define BSET_data(dummy,arg) \
	259	STMT_START { \
	260	GV *gv; \
	261	char *pname = "main"; \
	262	if (arg == 'D') \
	263	pname = HvNAME(PL_curstash ? PL_curstash : PL_defstash); \
	264	gv = gv_fetchpv(Perl_form(aTHX_ "%s::DATA", pname), TRUE, SVt_PVIO);\
	265	GvMULTI_on(gv); \
	266	if (!GvIO(gv)) \
	267	GvIOp(gv) = newIO(); \
	268	IoIFP(GvIOp(gv)) = PL_rsfp; \
	269	set_clonex(PL_rsfp); \
	270	/* Mark this internal pseudo-handle as clean */ \
	271	IoFLAGS(GvIOp(gv)) \|= IOf_UNTAINT; \
	272	if (PL_preprocess) \
	273	IoTYPE(GvIOp(gv)) = IoTYPE_PIPE; \
	274	else if ((PerlIO*)PL_rsfp == PerlIO_stdin()) \
	275	IoTYPE(GvIOp(gv)) = IoTYPE_STD; \
	276	else \
	277	IoTYPE(GvIOp(gv)) = IoTYPE_RDONLY; \
	278	Safefree(bstate->bs_obj_list); \
	279	return 1; \
	280	} STMT_END
	281
	282	/* stolen from op.c */
	283	#define BSET_load_glob(foo, gv) \
	284	STMT_START { \
	285	GV *glob_gv; \
	286	ENTER; \
	287	Perl_load_module(aTHX_ PERL_LOADMOD_NOIMPORT, \
	288	newSVpvn("File::Glob", 10), Nullsv, Nullsv, Nullsv); \
	289	glob_gv = gv_fetchpv("File::Glob::csh_glob", FALSE, SVt_PVCV); \
	290	GvCV(gv) = GvCV(glob_gv); \
	291	SvREFCNT_inc((SV*)GvCV(gv)); \
	292	GvIMPORTED_CV_on(gv); \
	293	LEAVE; \
059a8bb7	294	} STMT_END
e8edd1e6	295
	296	/*
	297	* Kludge special-case workaround for OP_MAPSTART
	298	* which needs the ppaddr for OP_GREPSTART. Blech.
	299	*/
	300	#define BSET_op_type(o, arg) STMT_START { \
	301	o->op_type = arg; \
	302	if (arg == OP_MAPSTART) \
	303	arg = OP_GREPSTART; \
	304	o->op_ppaddr = PL_ppaddr[arg]; \
	305	} STMT_END
cea2e8a9	306	#define BSET_op_ppaddr(o, arg) Perl_croak(aTHX_ "op_ppaddr not yet implemented")
e8edd1e6	307	#define BSET_curpad(pad, arg) STMT_START { \
	308	PL_comppad = (AV *)arg; \
	309	pad = AvARRAY(arg); \
	310	} STMT_END
1df34986	311
1df34986	312	#ifdef USE_ITHREADS
11faa288	313	#define BSET_cop_file(cop, arg) CopFILE_set(cop,arg)
11faa288	314	#define BSET_cop_stashpv(cop, arg) CopSTASHPV_set(cop,arg)
1df34986	315	#else
	316	/* this works now that Sarathy's changed the CopFILE_set macro to do the SvREFCNT_inc()
	317	-- BKS 6-2-2000 */
	318	/* that really meant the actual CopFILEGV_set */
	319	#define BSET_cop_filegv(cop, arg) CopFILEGV_set(cop,arg)
	320	#define BSET_cop_stash(cop,arg) CopSTASH_set(cop,(HV*)arg)
	321	#endif
e8edd1e6	322
059a8bb7	323	/* this is simply stolen from the code in newATTRSUB() */
	324	#define BSET_push_begin(ary,cv) \
	325	STMT_START { \
1df34986	326	I32 oldscope = PL_scopestack_ix; \
	327	ENTER; \
	328	SAVECOPFILE(&PL_compiling); \
	329	SAVECOPLINE(&PL_compiling); \
	330	if (!PL_beginav) \
	331	PL_beginav = newAV(); \
	332	av_push(PL_beginav, (SV*)cv); \
	333	GvCV(CvGV(cv)) = 0; /* cv has been hijacked */\
	334	call_list(oldscope, PL_beginav); \
	335	PL_curcop = &PL_compiling; \
d5ec2987	336	CopHINTS_set(&PL_compiling, PL_hints); \
1df34986	337	LEAVE; \
059a8bb7	338	} STMT_END
1df34986	339	#define BSET_push_init(ary,cv) \
	340	STMT_START { \
	341	av_unshift((PL_initav ? PL_initav : \
	342	(PL_initav = newAV(), PL_initav)), 1); \
	343	av_store(PL_initav, 0, cv); \
059a8bb7	344	} STMT_END
1df34986	345	#define BSET_push_end(ary,cv) \
	346	STMT_START { \
	347	av_unshift((PL_endav ? PL_endav : \
	348	(PL_endav = newAV(), PL_endav)), 1); \
	349	av_store(PL_endav, 0, cv); \
059a8bb7	350	} STMT_END
059a8bb7	351	#define BSET_OBJ_STORE(obj, ix) \
566ece03	352	((I32)ix > bstate->bs_obj_list_fill ? \
	353	bset_obj_store(aTHX_ bstate, obj, (I32)ix) : \
	354	(bstate->bs_obj_list[ix] = obj), \
	355	bstate->bs_ix = ix+1)
	356	#define BSET_OBJ_STOREX(obj) \
	357	(bstate->bs_ix > bstate->bs_obj_list_fill ? \
	358	bset_obj_store(aTHX_ bstate, obj, bstate->bs_ix) : \
	359	(bstate->bs_obj_list[bstate->bs_ix] = obj), \
	360	bstate->bs_ix++)
1df34986	361
	362	#define BSET_signal(cv, name) \
	363	mg_set(*hv_store(GvHV(gv_fetchpv("SIG", TRUE, SVt_PVHV)), \
	364	name, strlen(name), cv, 0))
059a8bb7	365
ffd4ff43	366	#define BSET_xhv_name(hv, name) hv_name_set((HV*)hv, name, strlen(name), 0)
07910858	367	#define BSET_cop_arybase(c, b) CopARYBASE_set(c, b)
5c3c3f81	368	#define BSET_cop_warnings(c, w) \
	369	STMT_START { \
	370	if (specialWARN((STRLEN *)w)) { \
	371	c->cop_warnings = (STRLEN *)w; \
	372	} else { \
	373	STRLEN len; \
	374	const char *const p = SvPV_const(w, len); \
	375	c->cop_warnings = \
	376	Perl_new_warnings_bitfield(aTHX_ NULL, p, len); \
	377	SvREFCNT_dec(w); \
	378	} \
	379	} STMT_END
f4890806	380	#define BSET_gp_file(gv, file) \
	381	STMT_START { \
	382	STRLEN len = strlen(file); \
	383	U32 hash; \
	384	PERL_HASH(hash, file, len); \
	385	if(GvFILE_HEK(gv)) { \
	386	Perl_unshare_hek(aTHX_ GvFILE_HEK(gv)); \
	387	} \
	388	GvGP(gv)->gp_file_hek = share_hek(file, len, hash); \
	389	Safefree(file); \
	390	} STMT_END
4ba4de04	391
059a8bb7	392	/* NOTE: the bytecode header only sanity-checks the bytecode. If a script cares about
3b825e41	393	* what version of Perl it's being called under, it should do a 'use 5.006_001' or
059a8bb7	394	* equivalent. However, since the header includes checks requiring an exact match in
	395	* ByteLoader versions (we can't guarantee forward compatibility), you don't
	396	* need to specify one:
	397	* use ByteLoader;
	398	* is all you need.
	399	* -- BKS, June 2000
	400	*/
	401
d2560b70	402	#define HEADER_FAIL(f) \
	403	Perl_croak(aTHX_ "Invalid bytecode for this architecture: " f)
	404	#define HEADER_FAIL1(f, arg1) \
	405	Perl_croak(aTHX_ "Invalid bytecode for this architecture: " f, arg1)
	406	#define HEADER_FAIL2(f, arg1, arg2) \
059a8bb7	407	Perl_croak(aTHX_ "Invalid bytecode for this architecture: " f, arg1, arg2)
	408
	409	#define BYTECODE_HEADER_CHECK \
	410	STMT_START { \
	411	U32 sz = 0; \
	412	strconst str; \
	413	\
	414	BGET_U32(sz); /* Magic: 'PLBC' */ \
	415	if (sz != 0x43424c50) { \
d2560b70	416	HEADER_FAIL1("bad magic (want 0x43424c50, got %#x)", (int)sz); \
059a8bb7	417	} \
	418	BGET_strconst(str); /* archname */ \
	419	if (strNE(str, ARCHNAME)) { \
d2560b70	420	HEADER_FAIL2("wrong architecture (want %s, you have %s)",str,ARCHNAME); \
059a8bb7	421	} \
	422	BGET_strconst(str); /* ByteLoader version */ \
	423	if (strNE(str, VERSION)) { \
d2560b70	424	HEADER_FAIL2("mismatched ByteLoader versions (want %s, you have %s)", \
059a8bb7	425	str, VERSION); \
	426	} \
	427	BGET_U32(sz); /* ivsize */ \
	428	if (sz != IVSIZE) { \
d2560b70	429	HEADER_FAIL("different IVSIZE"); \
059a8bb7	430	} \
	431	BGET_U32(sz); /* ptrsize */ \
	432	if (sz != PTRSIZE) { \
d2560b70	433	HEADER_FAIL("different PTRSIZE"); \
059a8bb7	434	} \
059a8bb7	435	} STMT_END