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 | typedef IV IV64; |
10 | |
11 | #define BGET_FREAD(argp, len, nelem) \ |
059a8bb7 |
12 | bl_read(bstate->bs_fdata,(char*)(argp),(len),(nelem)) |
13 | #define BGET_FGETC() bl_getc(bstate->bs_fdata) |
e8edd1e6 |
14 | |
15 | #define BGET_U32(arg) \ |
059a8bb7 |
16 | BGET_FREAD(&arg, sizeof(U32), 1) |
e8edd1e6 |
17 | #define BGET_I32(arg) \ |
059a8bb7 |
18 | BGET_FREAD(&arg, sizeof(I32), 1) |
e8edd1e6 |
19 | #define BGET_U16(arg) \ |
059a8bb7 |
20 | BGET_FREAD(&arg, sizeof(U16), 1) |
e8edd1e6 |
21 | #define BGET_U8(arg) arg = BGET_FGETC() |
22 | |
059a8bb7 |
23 | #define BGET_PV(arg) STMT_START { \ |
24 | BGET_U32(arg); \ |
25 | if (arg) { \ |
26 | New(666, bstate->bs_pv.xpv_pv, arg, char); \ |
27 | bl_read(bstate->bs_fdata, (void*)bstate->bs_pv.xpv_pv, arg, 1); \ |
28 | bstate->bs_pv.xpv_len = arg; \ |
29 | bstate->bs_pv.xpv_cur = arg - 1; \ |
30 | } else { \ |
31 | bstate->bs_pv.xpv_pv = 0; \ |
32 | bstate->bs_pv.xpv_len = 0; \ |
33 | bstate->bs_pv.xpv_cur = 0; \ |
34 | } \ |
e8edd1e6 |
35 | } STMT_END |
36 | |
fc290457 |
37 | #ifdef BYTELOADER_LOG_COMMENTS |
38 | # define BGET_comment_t(arg) \ |
39 | STMT_START { \ |
40 | char buf[1024]; \ |
41 | int i = 0; \ |
42 | do { \ |
43 | arg = BGET_FGETC(); \ |
44 | buf[i++] = (char)arg; \ |
45 | } while (arg != '\n' && arg != EOF); \ |
46 | buf[i] = '\0'; \ |
47 | PerlIO_printf(PerlIO_stderr(), "%s", buf); \ |
48 | } STMT_END |
49 | #else |
50 | # define BGET_comment_t(arg) \ |
e8edd1e6 |
51 | do { arg = BGET_FGETC(); } while (arg != '\n' && arg != EOF) |
fc290457 |
52 | #endif |
e8edd1e6 |
53 | |
54 | /* |
55 | * In the following, sizeof(IV)*4 is just a way of encoding 32 on 64-bit-IV |
56 | * machines such that 32-bit machine compilers don't whine about the shift |
57 | * count being too high even though the code is never reached there. |
58 | */ |
59 | #define BGET_IV64(arg) STMT_START { \ |
60 | U32 hi, lo; \ |
61 | BGET_U32(hi); \ |
62 | BGET_U32(lo); \ |
63 | if (sizeof(IV) == 8) \ |
42718184 |
64 | arg = ((IV)hi << (sizeof(IV)*4) | (IV)lo); \ |
e8edd1e6 |
65 | else if (((I32)hi == -1 && (I32)lo < 0) \ |
66 | || ((I32)hi == 0 && (I32)lo >= 0)) { \ |
67 | arg = (I32)lo; \ |
68 | } \ |
69 | else { \ |
059a8bb7 |
70 | bstate->bs_iv_overflows++; \ |
e8edd1e6 |
71 | arg = 0; \ |
72 | } \ |
73 | } STMT_END |
74 | |
78c6a0b0 |
75 | #if IVSIZE == 4 |
76 | # define BGET_IV(arg) BGET_I32(arg) |
77 | #else |
78 | # if IVSIZE == 8 |
79 | # define BGET_IV(arg) BGET_IV64(arg) |
80 | # endif |
81 | #endif |
82 | |
059a8bb7 |
83 | #define BGET_op_tr_array(arg) do { \ |
84 | unsigned short *ary; \ |
059a8bb7 |
85 | New(666, ary, 256, unsigned short); \ |
86 | BGET_FREAD(ary, sizeof(unsigned short), 256); \ |
87 | arg = (char *) ary; \ |
e8edd1e6 |
88 | } while (0) |
89 | |
059a8bb7 |
90 | #define BGET_pvcontents(arg) arg = bstate->bs_pv.xpv_pv |
e8edd1e6 |
91 | #define BGET_strconst(arg) STMT_START { \ |
92 | for (arg = PL_tokenbuf; (*arg = BGET_FGETC()); arg++) /* nothing */; \ |
93 | arg = PL_tokenbuf; \ |
94 | } STMT_END |
95 | |
cad2e5aa |
96 | #define BGET_NV(arg) STMT_START { \ |
e8edd1e6 |
97 | char *str; \ |
98 | BGET_strconst(str); \ |
ac26f109 |
99 | arg = Atof(str); \ |
e8edd1e6 |
100 | } STMT_END |
101 | |
102 | #define BGET_objindex(arg, type) STMT_START { \ |
e8edd1e6 |
103 | BGET_U32(ix); \ |
059a8bb7 |
104 | arg = (type)bstate->bs_obj_list[ix]; \ |
e8edd1e6 |
105 | } STMT_END |
106 | #define BGET_svindex(arg) BGET_objindex(arg, svindex) |
107 | #define BGET_opindex(arg) BGET_objindex(arg, opindex) |
059a8bb7 |
108 | #define BGET_pvindex(arg) STMT_START { \ |
109 | BGET_objindex(arg, pvindex); \ |
110 | arg = arg ? savepv(arg) : arg; \ |
111 | } STMT_END |
e8edd1e6 |
112 | |
113 | #define BSET_ldspecsv(sv, arg) sv = specialsv_list[arg] |
059a8bb7 |
114 | #define BSET_stpv(pv, arg) STMT_START { \ |
115 | BSET_OBJ_STORE(pv, arg); \ |
116 | SAVEFREEPV(pv); \ |
117 | } STMT_END |
e8edd1e6 |
118 | |
119 | #define BSET_sv_refcnt_add(svrefcnt, arg) svrefcnt += arg |
120 | #define BSET_gp_refcnt_add(gprefcnt, arg) gprefcnt += arg |
121 | #define BSET_gp_share(sv, arg) STMT_START { \ |
122 | gp_free((GV*)sv); \ |
123 | GvGP(sv) = GvGP(arg); \ |
124 | } STMT_END |
125 | |
126 | #define BSET_gv_fetchpv(sv, arg) sv = (SV*)gv_fetchpv(arg, TRUE, SVt_PV) |
127 | #define BSET_gv_stashpv(sv, arg) sv = (SV*)gv_stashpv(arg, TRUE) |
128 | #define BSET_sv_magic(sv, arg) sv_magic(sv, Nullsv, arg, 0, 0) |
059a8bb7 |
129 | #define BSET_mg_pv(mg, arg) mg->mg_ptr = arg; mg->mg_len = bstate->bs_pv.xpv_cur |
e8edd1e6 |
130 | #define BSET_sv_upgrade(sv, arg) (void)SvUPGRADE(sv, arg) |
131 | #define BSET_xpv(sv) do { \ |
059a8bb7 |
132 | SvPV_set(sv, bstate->bs_pv.xpv_pv); \ |
133 | SvCUR_set(sv, bstate->bs_pv.xpv_cur); \ |
134 | SvLEN_set(sv, bstate->bs_pv.xpv_len); \ |
e8edd1e6 |
135 | } while (0) |
136 | #define BSET_av_extend(sv, arg) av_extend((AV*)sv, arg) |
137 | |
138 | #define BSET_av_push(sv, arg) av_push((AV*)sv, arg) |
139 | #define BSET_hv_store(sv, arg) \ |
059a8bb7 |
140 | hv_store((HV*)sv, bstate->bs_pv.xpv_pv, bstate->bs_pv.xpv_cur, arg, 0) |
e8edd1e6 |
141 | #define BSET_pv_free(pv) Safefree(pv.xpv_pv) |
142 | #define BSET_pregcomp(o, arg) \ |
983f8c39 |
143 | (PM_SETRE(((PMOP*)o), (arg ? \ |
144 | CALLREGCOMP(aTHX_ arg, arg + bstate->bs_pv.xpv_cur, ((PMOP*)o)) : 0))) |
059a8bb7 |
145 | #define BSET_newsv(sv, arg) \ |
146 | STMT_START { \ |
147 | sv = (arg == SVt_PVAV ? (SV*)newAV() : \ |
148 | arg == SVt_PVHV ? (SV*)newHV() : \ |
149 | NEWSV(666,0)); \ |
150 | SvUPGRADE(sv, arg); \ |
151 | } STMT_END |
fc290457 |
152 | #define BSET_newop(o, arg) ((o = (OP*)safemalloc(optype_size[arg])), \ |
153 | memzero((char*)o,optype_size[arg])) |
e8edd1e6 |
154 | #define BSET_newopn(o, arg) STMT_START { \ |
155 | OP *oldop = o; \ |
156 | BSET_newop(o, arg); \ |
157 | oldop->op_next = o; \ |
158 | } STMT_END |
159 | |
059a8bb7 |
160 | #define BSET_ret(foo) STMT_START { \ |
161 | Safefree(bstate->bs_obj_list); \ |
162 | return; \ |
163 | } STMT_END |
e8edd1e6 |
164 | |
165 | /* |
166 | * Kludge special-case workaround for OP_MAPSTART |
167 | * which needs the ppaddr for OP_GREPSTART. Blech. |
168 | */ |
169 | #define BSET_op_type(o, arg) STMT_START { \ |
170 | o->op_type = arg; \ |
171 | if (arg == OP_MAPSTART) \ |
172 | arg = OP_GREPSTART; \ |
173 | o->op_ppaddr = PL_ppaddr[arg]; \ |
174 | } STMT_END |
cea2e8a9 |
175 | #define BSET_op_ppaddr(o, arg) Perl_croak(aTHX_ "op_ppaddr not yet implemented") |
e8edd1e6 |
176 | #define BSET_curpad(pad, arg) STMT_START { \ |
177 | PL_comppad = (AV *)arg; \ |
178 | pad = AvARRAY(arg); \ |
179 | } STMT_END |
059a8bb7 |
180 | /* this works now that Sarathy's changed the CopFILE_set macro to do the SvREFCNT_inc() |
181 | -- BKS 6-2-2000 */ |
11faa288 |
182 | #define BSET_cop_file(cop, arg) CopFILE_set(cop,arg) |
183 | #define BSET_cop_line(cop, arg) CopLINE_set(cop,arg) |
184 | #define BSET_cop_stashpv(cop, arg) CopSTASHPV_set(cop,arg) |
e8edd1e6 |
185 | |
059a8bb7 |
186 | /* this is simply stolen from the code in newATTRSUB() */ |
187 | #define BSET_push_begin(ary,cv) \ |
188 | STMT_START { \ |
189 | I32 oldscope = PL_scopestack_ix; \ |
190 | ENTER; \ |
191 | SAVECOPFILE(&PL_compiling); \ |
192 | SAVECOPLINE(&PL_compiling); \ |
059a8bb7 |
193 | if (!PL_beginav) \ |
194 | PL_beginav = newAV(); \ |
195 | av_push(PL_beginav, cv); \ |
196 | call_list(oldscope, PL_beginav); \ |
197 | PL_curcop = &PL_compiling; \ |
198 | PL_compiling.op_private = PL_hints; \ |
199 | LEAVE; \ |
200 | } STMT_END |
201 | #define BSET_push_init(ary,cv) \ |
202 | STMT_START { \ |
203 | av_unshift((PL_initav ? PL_initav : (PL_initav = newAV(), PL_initav)), 1); \ |
204 | av_store(PL_initav, 0, cv); \ |
205 | } STMT_END |
206 | #define BSET_push_end(ary,cv) \ |
207 | STMT_START { \ |
208 | av_unshift((PL_endav ? PL_endav : (PL_endav = newAV(), PL_endav)), 1); \ |
209 | av_store(PL_endav, 0, cv); \ |
210 | } STMT_END |
211 | #define BSET_OBJ_STORE(obj, ix) \ |
212 | (I32)ix > bstate->bs_obj_list_fill ? \ |
acfe0abc |
213 | bset_obj_store(aTHX_ bstate, obj, (I32)ix) : (bstate->bs_obj_list[ix] = obj) |
059a8bb7 |
214 | |
215 | /* NOTE: the bytecode header only sanity-checks the bytecode. If a script cares about |
3b825e41 |
216 | * what version of Perl it's being called under, it should do a 'use 5.006_001' or |
059a8bb7 |
217 | * equivalent. However, since the header includes checks requiring an exact match in |
218 | * ByteLoader versions (we can't guarantee forward compatibility), you don't |
219 | * need to specify one: |
220 | * use ByteLoader; |
221 | * is all you need. |
222 | * -- BKS, June 2000 |
223 | */ |
224 | |
d2560b70 |
225 | #define HEADER_FAIL(f) \ |
226 | Perl_croak(aTHX_ "Invalid bytecode for this architecture: " f) |
227 | #define HEADER_FAIL1(f, arg1) \ |
228 | Perl_croak(aTHX_ "Invalid bytecode for this architecture: " f, arg1) |
229 | #define HEADER_FAIL2(f, arg1, arg2) \ |
059a8bb7 |
230 | Perl_croak(aTHX_ "Invalid bytecode for this architecture: " f, arg1, arg2) |
231 | |
232 | #define BYTECODE_HEADER_CHECK \ |
233 | STMT_START { \ |
234 | U32 sz = 0; \ |
235 | strconst str; \ |
236 | \ |
237 | BGET_U32(sz); /* Magic: 'PLBC' */ \ |
238 | if (sz != 0x43424c50) { \ |
d2560b70 |
239 | HEADER_FAIL1("bad magic (want 0x43424c50, got %#x)", (int)sz); \ |
059a8bb7 |
240 | } \ |
241 | BGET_strconst(str); /* archname */ \ |
242 | if (strNE(str, ARCHNAME)) { \ |
d2560b70 |
243 | HEADER_FAIL2("wrong architecture (want %s, you have %s)",str,ARCHNAME); \ |
059a8bb7 |
244 | } \ |
245 | BGET_strconst(str); /* ByteLoader version */ \ |
246 | if (strNE(str, VERSION)) { \ |
d2560b70 |
247 | HEADER_FAIL2("mismatched ByteLoader versions (want %s, you have %s)", \ |
059a8bb7 |
248 | str, VERSION); \ |
249 | } \ |
250 | BGET_U32(sz); /* ivsize */ \ |
251 | if (sz != IVSIZE) { \ |
d2560b70 |
252 | HEADER_FAIL("different IVSIZE"); \ |
059a8bb7 |
253 | } \ |
254 | BGET_U32(sz); /* ptrsize */ \ |
255 | if (sz != PTRSIZE) { \ |
d2560b70 |
256 | HEADER_FAIL("different PTRSIZE"); \ |
059a8bb7 |
257 | } \ |
258 | BGET_strconst(str); /* byteorder */ \ |
259 | if (strNE(str, STRINGIFY(BYTEORDER))) { \ |
d2560b70 |
260 | HEADER_FAIL("different byteorder"); \ |
059a8bb7 |
261 | } \ |
059a8bb7 |
262 | } STMT_END |