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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;
typedef IV IV64;
#define BGET_FREAD(argp, len, nelem) \
bl_read(bstate->bs_fdata,(char*)(argp),(len),(nelem))
#define BGET_FGETC() bl_getc(bstate->bs_fdata)
#define BGET_U32(arg) \
BGET_FREAD(&arg, sizeof(U32), 1)
#define BGET_I32(arg) \
BGET_FREAD(&arg, sizeof(I32), 1)
#define BGET_U16(arg) \
BGET_FREAD(&arg, sizeof(U16), 1)
#define BGET_U8(arg) arg = BGET_FGETC()
#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
/*
* In the following, sizeof(IV)*4 is just a way of encoding 32 on 64-bit-IV
* machines such that 32-bit machine compilers don't whine about the shift
* count being too high even though the code is never reached there.
*/
#define BGET_IV64(arg) STMT_START { \
U32 hi, lo; \
BGET_U32(hi); \
BGET_U32(lo); \
if (sizeof(IV) == 8) \
arg = ((IV)hi << (sizeof(IV)*4) | (IV)lo); \
else if (((I32)hi == -1 && (I32)lo < 0) \
|| ((I32)hi == 0 && (I32)lo >= 0)) { \
arg = (I32)lo; \
} \
else { \
bstate->bs_iv_overflows++; \
arg = 0; \
} \
} STMT_END
#define BGET_op_tr_array(arg) do { \
unsigned short *ary; \
int i; \
New(666, ary, 256, unsigned short); \
BGET_FREAD(ary, sizeof(unsigned short), 256); \
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_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_stashpv(sv, arg) sv = (SV*)gv_stashpv(arg, TRUE)
#define BSET_sv_magic(sv, arg) sv_magic(sv, Nullsv, arg, 0, 0)
#define BSET_mg_pv(mg, arg) mg->mg_ptr = arg; mg->mg_len = bstate->bs_pv.xpv_cur
#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_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)
#define BSET_pregcomp(o, arg) \
((PMOP*)o)->op_pmregexp = arg ? \
CALLREGCOMP(aTHX_ arg, arg + bstate->bs_pv.xpv_cur, ((PMOP*)o)) : 0
#define BSET_newsv(sv, arg) \
STMT_START { \
sv = (arg == SVt_PVAV ? (SV*)newAV() : \
arg == SVt_PVHV ? (SV*)newHV() : \
NEWSV(666,0)); \
SvUPGRADE(sv, arg); \
} STMT_END
#define BSET_newop(o, arg) ((o = (OP*)safemalloc(optype_size[arg])), \
memzero((char*)o,optype_size[arg]))
#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; \
} 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
/* this works now that Sarathy's changed the CopFILE_set macro to do the SvREFCNT_inc()
-- BKS 6-2-2000 */
#define BSET_cop_file(cop, arg) CopFILE_set(cop,arg)
#define BSET_cop_line(cop, arg) CopLINE_set(cop,arg)
#define BSET_cop_stashpv(cop, arg) CopSTASHPV_set(cop,arg)
/* 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); \
save_svref(&PL_rs); \
sv_setsv(PL_rs, PL_nrs); \
if (!PL_beginav) \
PL_beginav = newAV(); \
av_push(PL_beginav, cv); \
call_list(oldscope, PL_beginav); \
PL_curcop = &PL_compiling; \
PL_compiling.op_private = 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(aTHXo_ bstate, obj, (I32)ix) : (bstate->bs_obj_list[ix] = obj)
/* 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 'require 5.6.0' 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"); \
} \
BGET_strconst(str); /* byteorder */ \
if (strNE(str, STRINGIFY(BYTEORDER))) { \
HEADER_FAIL("different byteorder"); \
} \
} STMT_END
|
