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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; |
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8 | typedef char *pvindex; |
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9 | typedef IV IV64; |
10 | |
11 | #define BGET_FREAD(argp, len, nelem) \ |
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12 | bl_read(bstate->bs_fdata,(char*)(argp),(len),(nelem)) |
13 | #define BGET_FGETC() bl_getc(bstate->bs_fdata) |
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14 | |
15 | #define BGET_U32(arg) \ |
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16 | BGET_FREAD(&arg, sizeof(U32), 1) |
e8edd1e6 |
17 | #define BGET_I32(arg) \ |
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18 | BGET_FREAD(&arg, sizeof(I32), 1) |
e8edd1e6 |
19 | #define BGET_U16(arg) \ |
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20 | BGET_FREAD(&arg, sizeof(U16), 1) |
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21 | #define BGET_U8(arg) arg = BGET_FGETC() |
22 | |
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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 | } \ |
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35 | } STMT_END |
36 | |
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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) \ |
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51 | do { arg = BGET_FGETC(); } while (arg != '\n' && arg != EOF) |
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52 | #endif |
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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); \ |
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65 | else if (((I32)hi == -1 && (I32)lo < 0) \ |
66 | || ((I32)hi == 0 && (I32)lo >= 0)) { \ |
67 | arg = (I32)lo; \ |
68 | } \ |
69 | else { \ |
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70 | bstate->bs_iv_overflows++; \ |
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71 | arg = 0; \ |
72 | } \ |
73 | } STMT_END |
74 | |
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75 | #define BGET_op_tr_array(arg) do { \ |
76 | unsigned short *ary; \ |
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77 | New(666, ary, 256, unsigned short); \ |
78 | BGET_FREAD(ary, sizeof(unsigned short), 256); \ |
79 | arg = (char *) ary; \ |
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80 | } while (0) |
81 | |
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82 | #define BGET_pvcontents(arg) arg = bstate->bs_pv.xpv_pv |
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83 | #define BGET_strconst(arg) STMT_START { \ |
84 | for (arg = PL_tokenbuf; (*arg = BGET_FGETC()); arg++) /* nothing */; \ |
85 | arg = PL_tokenbuf; \ |
86 | } STMT_END |
87 | |
cad2e5aa |
88 | #define BGET_NV(arg) STMT_START { \ |
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89 | char *str; \ |
90 | BGET_strconst(str); \ |
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91 | arg = Atof(str); \ |
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92 | } STMT_END |
93 | |
94 | #define BGET_objindex(arg, type) STMT_START { \ |
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95 | BGET_U32(ix); \ |
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96 | arg = (type)bstate->bs_obj_list[ix]; \ |
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97 | } STMT_END |
98 | #define BGET_svindex(arg) BGET_objindex(arg, svindex) |
99 | #define BGET_opindex(arg) BGET_objindex(arg, opindex) |
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100 | #define BGET_pvindex(arg) STMT_START { \ |
101 | BGET_objindex(arg, pvindex); \ |
102 | arg = arg ? savepv(arg) : arg; \ |
103 | } STMT_END |
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104 | |
105 | #define BSET_ldspecsv(sv, arg) sv = specialsv_list[arg] |
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106 | #define BSET_stpv(pv, arg) STMT_START { \ |
107 | BSET_OBJ_STORE(pv, arg); \ |
108 | SAVEFREEPV(pv); \ |
109 | } STMT_END |
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110 | |
111 | #define BSET_sv_refcnt_add(svrefcnt, arg) svrefcnt += arg |
112 | #define BSET_gp_refcnt_add(gprefcnt, arg) gprefcnt += arg |
113 | #define BSET_gp_share(sv, arg) STMT_START { \ |
114 | gp_free((GV*)sv); \ |
115 | GvGP(sv) = GvGP(arg); \ |
116 | } STMT_END |
117 | |
118 | #define BSET_gv_fetchpv(sv, arg) sv = (SV*)gv_fetchpv(arg, TRUE, SVt_PV) |
119 | #define BSET_gv_stashpv(sv, arg) sv = (SV*)gv_stashpv(arg, TRUE) |
120 | #define BSET_sv_magic(sv, arg) sv_magic(sv, Nullsv, arg, 0, 0) |
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121 | #define BSET_mg_pv(mg, arg) mg->mg_ptr = arg; mg->mg_len = bstate->bs_pv.xpv_cur |
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122 | #define BSET_sv_upgrade(sv, arg) (void)SvUPGRADE(sv, arg) |
123 | #define BSET_xpv(sv) do { \ |
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124 | SvPV_set(sv, bstate->bs_pv.xpv_pv); \ |
125 | SvCUR_set(sv, bstate->bs_pv.xpv_cur); \ |
126 | SvLEN_set(sv, bstate->bs_pv.xpv_len); \ |
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127 | } while (0) |
128 | #define BSET_av_extend(sv, arg) av_extend((AV*)sv, arg) |
129 | |
130 | #define BSET_av_push(sv, arg) av_push((AV*)sv, arg) |
131 | #define BSET_hv_store(sv, arg) \ |
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132 | hv_store((HV*)sv, bstate->bs_pv.xpv_pv, bstate->bs_pv.xpv_cur, arg, 0) |
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133 | #define BSET_pv_free(pv) Safefree(pv.xpv_pv) |
134 | #define BSET_pregcomp(o, arg) \ |
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135 | (PM_SETRE((((PMOP*)o), arg ? \ |
136 | CALLREGCOMP(aTHX_ arg, arg + bstate->bs_pv.xpv_cur, ((PMOP*)o)) : 0))) |
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137 | #define BSET_newsv(sv, arg) \ |
138 | STMT_START { \ |
139 | sv = (arg == SVt_PVAV ? (SV*)newAV() : \ |
140 | arg == SVt_PVHV ? (SV*)newHV() : \ |
141 | NEWSV(666,0)); \ |
142 | SvUPGRADE(sv, arg); \ |
143 | } STMT_END |
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144 | #define BSET_newop(o, arg) ((o = (OP*)safemalloc(optype_size[arg])), \ |
145 | memzero((char*)o,optype_size[arg])) |
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146 | #define BSET_newopn(o, arg) STMT_START { \ |
147 | OP *oldop = o; \ |
148 | BSET_newop(o, arg); \ |
149 | oldop->op_next = o; \ |
150 | } STMT_END |
151 | |
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152 | #define BSET_ret(foo) STMT_START { \ |
153 | Safefree(bstate->bs_obj_list); \ |
154 | return; \ |
155 | } STMT_END |
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156 | |
157 | /* |
158 | * Kludge special-case workaround for OP_MAPSTART |
159 | * which needs the ppaddr for OP_GREPSTART. Blech. |
160 | */ |
161 | #define BSET_op_type(o, arg) STMT_START { \ |
162 | o->op_type = arg; \ |
163 | if (arg == OP_MAPSTART) \ |
164 | arg = OP_GREPSTART; \ |
165 | o->op_ppaddr = PL_ppaddr[arg]; \ |
166 | } STMT_END |
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167 | #define BSET_op_ppaddr(o, arg) Perl_croak(aTHX_ "op_ppaddr not yet implemented") |
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168 | #define BSET_curpad(pad, arg) STMT_START { \ |
169 | PL_comppad = (AV *)arg; \ |
170 | pad = AvARRAY(arg); \ |
171 | } STMT_END |
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172 | /* this works now that Sarathy's changed the CopFILE_set macro to do the SvREFCNT_inc() |
173 | -- BKS 6-2-2000 */ |
11faa288 |
174 | #define BSET_cop_file(cop, arg) CopFILE_set(cop,arg) |
175 | #define BSET_cop_line(cop, arg) CopLINE_set(cop,arg) |
176 | #define BSET_cop_stashpv(cop, arg) CopSTASHPV_set(cop,arg) |
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177 | |
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178 | /* this is simply stolen from the code in newATTRSUB() */ |
179 | #define BSET_push_begin(ary,cv) \ |
180 | STMT_START { \ |
181 | I32 oldscope = PL_scopestack_ix; \ |
182 | ENTER; \ |
183 | SAVECOPFILE(&PL_compiling); \ |
184 | SAVECOPLINE(&PL_compiling); \ |
185 | save_svref(&PL_rs); \ |
186 | sv_setsv(PL_rs, PL_nrs); \ |
187 | if (!PL_beginav) \ |
188 | PL_beginav = newAV(); \ |
189 | av_push(PL_beginav, cv); \ |
190 | call_list(oldscope, PL_beginav); \ |
191 | PL_curcop = &PL_compiling; \ |
192 | PL_compiling.op_private = PL_hints; \ |
193 | LEAVE; \ |
194 | } STMT_END |
195 | #define BSET_push_init(ary,cv) \ |
196 | STMT_START { \ |
197 | av_unshift((PL_initav ? PL_initav : (PL_initav = newAV(), PL_initav)), 1); \ |
198 | av_store(PL_initav, 0, cv); \ |
199 | } STMT_END |
200 | #define BSET_push_end(ary,cv) \ |
201 | STMT_START { \ |
202 | av_unshift((PL_endav ? PL_endav : (PL_endav = newAV(), PL_endav)), 1); \ |
203 | av_store(PL_endav, 0, cv); \ |
204 | } STMT_END |
205 | #define BSET_OBJ_STORE(obj, ix) \ |
206 | (I32)ix > bstate->bs_obj_list_fill ? \ |
207 | bset_obj_store(aTHXo_ bstate, obj, (I32)ix) : (bstate->bs_obj_list[ix] = obj) |
208 | |
209 | /* NOTE: the bytecode header only sanity-checks the bytecode. If a script cares about |
210 | * what version of Perl it's being called under, it should do a 'require 5.6.0' or |
211 | * equivalent. However, since the header includes checks requiring an exact match in |
212 | * ByteLoader versions (we can't guarantee forward compatibility), you don't |
213 | * need to specify one: |
214 | * use ByteLoader; |
215 | * is all you need. |
216 | * -- BKS, June 2000 |
217 | */ |
218 | |
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219 | #define HEADER_FAIL(f) \ |
220 | Perl_croak(aTHX_ "Invalid bytecode for this architecture: " f) |
221 | #define HEADER_FAIL1(f, arg1) \ |
222 | Perl_croak(aTHX_ "Invalid bytecode for this architecture: " f, arg1) |
223 | #define HEADER_FAIL2(f, arg1, arg2) \ |
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224 | Perl_croak(aTHX_ "Invalid bytecode for this architecture: " f, arg1, arg2) |
225 | |
226 | #define BYTECODE_HEADER_CHECK \ |
227 | STMT_START { \ |
228 | U32 sz = 0; \ |
229 | strconst str; \ |
230 | \ |
231 | BGET_U32(sz); /* Magic: 'PLBC' */ \ |
232 | if (sz != 0x43424c50) { \ |
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233 | HEADER_FAIL1("bad magic (want 0x43424c50, got %#x)", (int)sz); \ |
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234 | } \ |
235 | BGET_strconst(str); /* archname */ \ |
236 | if (strNE(str, ARCHNAME)) { \ |
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237 | HEADER_FAIL2("wrong architecture (want %s, you have %s)",str,ARCHNAME); \ |
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238 | } \ |
239 | BGET_strconst(str); /* ByteLoader version */ \ |
240 | if (strNE(str, VERSION)) { \ |
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241 | HEADER_FAIL2("mismatched ByteLoader versions (want %s, you have %s)", \ |
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242 | str, VERSION); \ |
243 | } \ |
244 | BGET_U32(sz); /* ivsize */ \ |
245 | if (sz != IVSIZE) { \ |
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246 | HEADER_FAIL("different IVSIZE"); \ |
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247 | } \ |
248 | BGET_U32(sz); /* ptrsize */ \ |
249 | if (sz != PTRSIZE) { \ |
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250 | HEADER_FAIL("different PTRSIZE"); \ |
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251 | } \ |
252 | BGET_strconst(str); /* byteorder */ \ |
253 | if (strNE(str, STRINGIFY(BYTEORDER))) { \ |
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254 | HEADER_FAIL("different byteorder"); \ |
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255 | } \ |
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256 | } STMT_END |