Commit | Line | Data |
---|---|---|
c5be433b | 1 | #define PERL_NO_GET_CONTEXT |
3967c732 JD |
2 | #include "EXTERN.h" |
3 | #include "perl.h" | |
4 | #include "XSUB.h" | |
5 | ||
f681a178 | 6 | static bool |
bd16a5f0 IZ |
7 | _runops_debug(int flag) |
8 | { | |
9 | dTHX; | |
ef69c8fc | 10 | const bool d = PL_runops == Perl_runops_debug; |
bd16a5f0 IZ |
11 | |
12 | if (flag >= 0) | |
ef69c8fc | 13 | PL_runops = flag ? Perl_runops_debug : Perl_runops_standard; |
bd16a5f0 IZ |
14 | return d; |
15 | } | |
16 | ||
f681a178 | 17 | static SV * |
cea2e8a9 | 18 | DeadCode(pTHX) |
3967c732 | 19 | { |
8ecf7187 GS |
20 | #ifdef PURIFY |
21 | return Nullsv; | |
22 | #else | |
3967c732 | 23 | SV* sva; |
9c5ffd7c | 24 | SV* sv; |
3967c732 JD |
25 | SV* ret = newRV_noinc((SV*)newAV()); |
26 | register SV* svend; | |
27 | int tm = 0, tref = 0, ts = 0, ta = 0, tas = 0; | |
28 | ||
29 | for (sva = PL_sv_arenaroot; sva; sva = (SV*)SvANY(sva)) { | |
30 | svend = &sva[SvREFCNT(sva)]; | |
31 | for (sv = sva + 1; sv < svend; ++sv) { | |
32 | if (SvTYPE(sv) == SVt_PVCV) { | |
33 | CV *cv = (CV*)sv; | |
34 | AV* padlist = CvPADLIST(cv), *argav; | |
35 | SV** svp; | |
36 | SV** pad; | |
37 | int i = 0, j, levelm, totm = 0, levelref, totref = 0; | |
38 | int levels, tots = 0, levela, tota = 0, levelas, totas = 0; | |
39 | int dumpit = 0; | |
40 | ||
aed2304a | 41 | if (CvISXSUB(sv)) { |
3967c732 JD |
42 | continue; /* XSUB */ |
43 | } | |
44 | if (!CvGV(sv)) { | |
45 | continue; /* file-level scope. */ | |
46 | } | |
47 | if (!CvROOT(cv)) { | |
bf49b057 | 48 | /* PerlIO_printf(Perl_debug_log, " no root?!\n"); */ |
3967c732 JD |
49 | continue; /* autoloading stub. */ |
50 | } | |
bf49b057 | 51 | do_gvgv_dump(0, Perl_debug_log, "GVGV::GV", CvGV(sv)); |
3967c732 | 52 | if (CvDEPTH(cv)) { |
bf49b057 | 53 | PerlIO_printf(Perl_debug_log, " busy\n"); |
3967c732 JD |
54 | continue; |
55 | } | |
56 | svp = AvARRAY(padlist); | |
57 | while (++i <= AvFILL(padlist)) { /* Depth. */ | |
58 | SV **args; | |
59 | ||
60 | pad = AvARRAY((AV*)svp[i]); | |
61 | argav = (AV*)pad[0]; | |
62 | if (!argav || (SV*)argav == &PL_sv_undef) { | |
bf49b057 | 63 | PerlIO_printf(Perl_debug_log, " closure-template\n"); |
3967c732 JD |
64 | continue; |
65 | } | |
66 | args = AvARRAY(argav); | |
67 | levelm = levels = levelref = levelas = 0; | |
68 | levela = sizeof(SV*) * (AvMAX(argav) + 1); | |
69 | if (AvREAL(argav)) { | |
70 | for (j = 0; j < AvFILL(argav); j++) { | |
71 | if (SvROK(args[j])) { | |
bf49b057 | 72 | PerlIO_printf(Perl_debug_log, " ref in args!\n"); |
3967c732 JD |
73 | levelref++; |
74 | } | |
75 | /* else if (SvPOK(args[j]) && SvPVX(args[j])) { */ | |
76 | else if (SvTYPE(args[j]) >= SVt_PV && SvLEN(args[j])) { | |
77 | levelas += SvLEN(args[j])/SvREFCNT(args[j]); | |
78 | } | |
79 | } | |
80 | } | |
81 | for (j = 1; j < AvFILL((AV*)svp[1]); j++) { /* Vars. */ | |
82 | if (SvROK(pad[j])) { | |
83 | levelref++; | |
bf49b057 | 84 | do_sv_dump(0, Perl_debug_log, pad[j], 0, 4, 0, 0); |
3967c732 JD |
85 | dumpit = 1; |
86 | } | |
87 | /* else if (SvPOK(pad[j]) && SvPVX(pad[j])) { */ | |
88 | else if (SvTYPE(pad[j]) >= SVt_PVAV) { | |
89 | if (!SvPADMY(pad[j])) { | |
90 | levelref++; | |
bf49b057 | 91 | do_sv_dump(0, Perl_debug_log, pad[j], 0, 4, 0, 0); |
3967c732 JD |
92 | dumpit = 1; |
93 | } | |
94 | } | |
95 | else if (SvTYPE(pad[j]) >= SVt_PV && SvLEN(pad[j])) { | |
3967c732 JD |
96 | levels++; |
97 | levelm += SvLEN(pad[j])/SvREFCNT(pad[j]); | |
98 | /* Dump(pad[j],4); */ | |
99 | } | |
100 | } | |
bf49b057 | 101 | PerlIO_printf(Perl_debug_log, " level %i: refs: %i, strings: %i in %i,\targsarray: %i, argsstrings: %i\n", |
3967c732 JD |
102 | i, levelref, levelm, levels, levela, levelas); |
103 | totm += levelm; | |
104 | tota += levela; | |
105 | totas += levelas; | |
106 | tots += levels; | |
107 | totref += levelref; | |
108 | if (dumpit) | |
bf49b057 | 109 | do_sv_dump(0, Perl_debug_log, (SV*)cv, 0, 2, 0, 0); |
3967c732 JD |
110 | } |
111 | if (AvFILL(padlist) > 1) { | |
bf49b057 | 112 | PerlIO_printf(Perl_debug_log, " total: refs: %i, strings: %i in %i,\targsarrays: %i, argsstrings: %i\n", |
3967c732 JD |
113 | totref, totm, tots, tota, totas); |
114 | } | |
115 | tref += totref; | |
116 | tm += totm; | |
117 | ts += tots; | |
118 | ta += tota; | |
119 | tas += totas; | |
120 | } | |
121 | } | |
122 | } | |
bf49b057 | 123 | PerlIO_printf(Perl_debug_log, "total: refs: %i, strings: %i in %i\targsarray: %i, argsstrings: %i\n", tref, tm, ts, ta, tas); |
3967c732 JD |
124 | |
125 | return ret; | |
3967c732 | 126 | #endif /* !PURIFY */ |
8ecf7187 | 127 | } |
3967c732 | 128 | |
3128eefe | 129 | #if defined(MYMALLOC) |
3967c732 JD |
130 | # define mstat(str) dump_mstats(str) |
131 | #else | |
132 | # define mstat(str) \ | |
3128eefe | 133 | PerlIO_printf(Perl_debug_log, "%s: perl not compiled with MYMALLOC\n",str); |
3967c732 JD |
134 | #endif |
135 | ||
3128eefe | 136 | #if defined(MYMALLOC) |
d1424c31 IZ |
137 | |
138 | /* Very coarse overestimate, 2-per-power-of-2, one more to determine NBUCKETS. */ | |
139 | # define _NBUCKETS (2*8*IVSIZE+1) | |
140 | ||
141 | struct mstats_buffer | |
142 | { | |
143 | perl_mstats_t buffer; | |
144 | UV buf[_NBUCKETS*4]; | |
145 | }; | |
146 | ||
f681a178 | 147 | static void |
d1424c31 IZ |
148 | _fill_mstats(struct mstats_buffer *b, int level) |
149 | { | |
c024d977 | 150 | dTHX; |
d1424c31 IZ |
151 | b->buffer.nfree = b->buf; |
152 | b->buffer.ntotal = b->buf + _NBUCKETS; | |
153 | b->buffer.bucket_mem_size = b->buf + 2*_NBUCKETS; | |
154 | b->buffer.bucket_available_size = b->buf + 3*_NBUCKETS; | |
155 | Zero(b->buf, (level ? 4*_NBUCKETS: 2*_NBUCKETS), unsigned long); | |
156 | get_mstats(&(b->buffer), _NBUCKETS, level); | |
157 | } | |
158 | ||
f681a178 | 159 | static void |
d1424c31 IZ |
160 | fill_mstats(SV *sv, int level) |
161 | { | |
c024d977 | 162 | dTHX; |
d1424c31 IZ |
163 | |
164 | if (SvREADONLY(sv)) | |
165 | croak("Cannot modify a readonly value"); | |
166 | SvGROW(sv, sizeof(struct mstats_buffer)+1); | |
167 | _fill_mstats((struct mstats_buffer*)SvPVX(sv),level); | |
168 | SvCUR_set(sv, sizeof(struct mstats_buffer)); | |
169 | *SvEND(sv) = '\0'; | |
170 | SvPOK_only(sv); | |
171 | } | |
172 | ||
f681a178 | 173 | static void |
7698c435 | 174 | _mstats_to_hv(HV *hv, const struct mstats_buffer *b, int level) |
d1424c31 | 175 | { |
c024d977 | 176 | dTHX; |
d1424c31 IZ |
177 | SV **svp; |
178 | int type; | |
179 | ||
180 | svp = hv_fetch(hv, "topbucket", 9, 1); | |
181 | sv_setiv(*svp, b->buffer.topbucket); | |
182 | ||
183 | svp = hv_fetch(hv, "topbucket_ev", 12, 1); | |
184 | sv_setiv(*svp, b->buffer.topbucket_ev); | |
185 | ||
186 | svp = hv_fetch(hv, "topbucket_odd", 13, 1); | |
187 | sv_setiv(*svp, b->buffer.topbucket_odd); | |
188 | ||
189 | svp = hv_fetch(hv, "totfree", 7, 1); | |
190 | sv_setiv(*svp, b->buffer.totfree); | |
191 | ||
192 | svp = hv_fetch(hv, "total", 5, 1); | |
193 | sv_setiv(*svp, b->buffer.total); | |
194 | ||
195 | svp = hv_fetch(hv, "total_chain", 11, 1); | |
196 | sv_setiv(*svp, b->buffer.total_chain); | |
197 | ||
198 | svp = hv_fetch(hv, "total_sbrk", 10, 1); | |
199 | sv_setiv(*svp, b->buffer.total_sbrk); | |
200 | ||
201 | svp = hv_fetch(hv, "sbrks", 5, 1); | |
202 | sv_setiv(*svp, b->buffer.sbrks); | |
203 | ||
204 | svp = hv_fetch(hv, "sbrk_good", 9, 1); | |
205 | sv_setiv(*svp, b->buffer.sbrk_good); | |
206 | ||
207 | svp = hv_fetch(hv, "sbrk_slack", 10, 1); | |
208 | sv_setiv(*svp, b->buffer.sbrk_slack); | |
209 | ||
210 | svp = hv_fetch(hv, "start_slack", 11, 1); | |
211 | sv_setiv(*svp, b->buffer.start_slack); | |
212 | ||
213 | svp = hv_fetch(hv, "sbrked_remains", 14, 1); | |
214 | sv_setiv(*svp, b->buffer.sbrked_remains); | |
215 | ||
216 | svp = hv_fetch(hv, "minbucket", 9, 1); | |
217 | sv_setiv(*svp, b->buffer.minbucket); | |
218 | ||
219 | svp = hv_fetch(hv, "nbuckets", 8, 1); | |
220 | sv_setiv(*svp, b->buffer.nbuckets); | |
221 | ||
222 | if (_NBUCKETS < b->buffer.nbuckets) | |
223 | warn("FIXME: internal mstats buffer too short"); | |
224 | ||
225 | for (type = 0; type < (level ? 4 : 2); type++) { | |
f0f74ded | 226 | UV *p = 0, *p1 = 0, i; |
d1424c31 | 227 | AV *av; |
d1424c31 IZ |
228 | static const char *types[4] = { |
229 | "free", "used", "mem_size", "available_size" | |
230 | }; | |
231 | ||
232 | svp = hv_fetch(hv, types[type], strlen(types[type]), 1); | |
233 | ||
234 | if (SvOK(*svp) && !(SvROK(*svp) && SvTYPE(SvRV(*svp)) == SVt_PVAV)) | |
235 | croak("Unexpected value for the key '%s' in the mstats hash", types[type]); | |
236 | if (!SvOK(*svp)) { | |
237 | av = newAV(); | |
d05c1ba0 | 238 | (void)SvUPGRADE(*svp, SVt_RV); |
b162af07 | 239 | SvRV_set(*svp, (SV*)av); |
d1424c31 IZ |
240 | SvROK_on(*svp); |
241 | } else | |
242 | av = (AV*)SvRV(*svp); | |
243 | ||
244 | av_extend(av, b->buffer.nbuckets - 1); | |
245 | /* XXXX What is the official way to reduce the size of the array? */ | |
246 | switch (type) { | |
247 | case 0: | |
248 | p = b->buffer.nfree; | |
249 | break; | |
250 | case 1: | |
251 | p = b->buffer.ntotal; | |
252 | p1 = b->buffer.nfree; | |
253 | break; | |
254 | case 2: | |
255 | p = b->buffer.bucket_mem_size; | |
256 | break; | |
257 | case 3: | |
258 | p = b->buffer.bucket_available_size; | |
259 | break; | |
260 | } | |
261 | for (i = 0; i < b->buffer.nbuckets; i++) { | |
262 | svp = av_fetch(av, i, 1); | |
263 | if (type == 1) | |
264 | sv_setiv(*svp, p[i]-p1[i]); | |
265 | else | |
266 | sv_setuv(*svp, p[i]); | |
267 | } | |
268 | } | |
269 | } | |
f681a178 AT |
270 | |
271 | static void | |
d1424c31 IZ |
272 | mstats_fillhash(SV *sv, int level) |
273 | { | |
274 | struct mstats_buffer buf; | |
275 | ||
276 | if (!(SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVHV)) | |
277 | croak("Not a hash reference"); | |
278 | _fill_mstats(&buf, level); | |
279 | _mstats_to_hv((HV *)SvRV(sv), &buf, level); | |
280 | } | |
f681a178 AT |
281 | |
282 | static void | |
d1424c31 IZ |
283 | mstats2hash(SV *sv, SV *rv, int level) |
284 | { | |
285 | if (!(SvROK(rv) && SvTYPE(SvRV(rv)) == SVt_PVHV)) | |
286 | croak("Not a hash reference"); | |
287 | if (!SvPOK(sv)) | |
288 | croak("Undefined value when expecting mstats buffer"); | |
289 | if (SvCUR(sv) != sizeof(struct mstats_buffer)) | |
290 | croak("Wrong size for a value with a mstats buffer"); | |
291 | _mstats_to_hv((HV *)SvRV(rv), (struct mstats_buffer*)SvPVX(sv), level); | |
292 | } | |
3128eefe | 293 | #else /* defined(MYMALLOC) */ |
f681a178 | 294 | static void |
d1424c31 IZ |
295 | fill_mstats(SV *sv, int level) |
296 | { | |
c33e8be1 Z |
297 | PERL_UNUSED_ARG(sv); |
298 | PERL_UNUSED_ARG(level); | |
d1424c31 IZ |
299 | croak("Cannot report mstats without Perl malloc"); |
300 | } | |
f681a178 AT |
301 | |
302 | static void | |
d1424c31 IZ |
303 | mstats_fillhash(SV *sv, int level) |
304 | { | |
c33e8be1 Z |
305 | PERL_UNUSED_ARG(sv); |
306 | PERL_UNUSED_ARG(level); | |
d1424c31 IZ |
307 | croak("Cannot report mstats without Perl malloc"); |
308 | } | |
f681a178 AT |
309 | |
310 | static void | |
d1424c31 IZ |
311 | mstats2hash(SV *sv, SV *rv, int level) |
312 | { | |
c33e8be1 Z |
313 | PERL_UNUSED_ARG(sv); |
314 | PERL_UNUSED_ARG(rv); | |
315 | PERL_UNUSED_ARG(level); | |
d1424c31 IZ |
316 | croak("Cannot report mstats without Perl malloc"); |
317 | } | |
3128eefe | 318 | #endif /* defined(MYMALLOC) */ |
d1424c31 | 319 | |
83ee9e09 GS |
320 | #define _CvGV(cv) \ |
321 | (SvROK(cv) && (SvTYPE(SvRV(cv))==SVt_PVCV) \ | |
15bcf759 | 322 | ? SvREFCNT_inc(CvGV((CV*)SvRV(cv))) : &PL_sv_undef) |
83ee9e09 | 323 | |
3967c732 JD |
324 | MODULE = Devel::Peek PACKAGE = Devel::Peek |
325 | ||
326 | void | |
327 | mstat(str="Devel::Peek::mstat: ") | |
d3f5e399 | 328 | const char *str |
3967c732 JD |
329 | |
330 | void | |
d1424c31 IZ |
331 | fill_mstats(SV *sv, int level = 0) |
332 | ||
333 | void | |
334 | mstats_fillhash(SV *sv, int level = 0) | |
335 | PROTOTYPE: \%;$ | |
336 | ||
337 | void | |
338 | mstats2hash(SV *sv, SV *rv, int level = 0) | |
339 | PROTOTYPE: $\%;$ | |
340 | ||
341 | void | |
3967c732 JD |
342 | Dump(sv,lim=4) |
343 | SV * sv | |
344 | I32 lim | |
345 | PPCODE: | |
346 | { | |
64ace3f8 | 347 | SV *pv_lim_sv = perl_get_sv("Devel::Peek::pv_limit", 0); |
7698c435 | 348 | const STRLEN pv_lim = pv_lim_sv ? SvIV(pv_lim_sv) : 0; |
64ace3f8 | 349 | SV *dumpop = perl_get_sv("Devel::Peek::dump_ops", 0); |
16d8f38a | 350 | const U16 save_dumpindent = PL_dumpindent; |
3967c732 | 351 | PL_dumpindent = 2; |
eb160463 GS |
352 | do_sv_dump(0, Perl_debug_log, sv, 0, lim, |
353 | (bool)(dumpop && SvTRUE(dumpop)), pv_lim); | |
16d8f38a | 354 | PL_dumpindent = save_dumpindent; |
3967c732 JD |
355 | } |
356 | ||
357 | void | |
358 | DumpArray(lim,...) | |
359 | I32 lim | |
360 | PPCODE: | |
361 | { | |
362 | long i; | |
64ace3f8 | 363 | SV *pv_lim_sv = perl_get_sv("Devel::Peek::pv_limit", 0); |
7698c435 | 364 | const STRLEN pv_lim = pv_lim_sv ? SvIV(pv_lim_sv) : 0; |
64ace3f8 | 365 | SV *dumpop = perl_get_sv("Devel::Peek::dump_ops", 0); |
16d8f38a | 366 | const U16 save_dumpindent = PL_dumpindent; |
3967c732 JD |
367 | PL_dumpindent = 2; |
368 | ||
369 | for (i=1; i<items; i++) { | |
7b0972df | 370 | PerlIO_printf(Perl_debug_log, "Elt No. %ld 0x%"UVxf"\n", i - 1, PTR2UV(ST(i))); |
eb160463 GS |
371 | do_sv_dump(0, Perl_debug_log, ST(i), 0, lim, |
372 | (bool)(dumpop && SvTRUE(dumpop)), pv_lim); | |
3967c732 | 373 | } |
16d8f38a | 374 | PL_dumpindent = save_dumpindent; |
3967c732 JD |
375 | } |
376 | ||
377 | void | |
378 | DumpProg() | |
379 | PPCODE: | |
380 | { | |
d2560b70 | 381 | warn("dumpindent is %d", (int)PL_dumpindent); |
3967c732 JD |
382 | if (PL_main_root) |
383 | op_dump(PL_main_root); | |
384 | } | |
385 | ||
386 | I32 | |
387 | SvREFCNT(sv) | |
388 | SV * sv | |
389 | ||
390 | # PPCODE needed since otherwise sv_2mortal is inserted that will kill the value. | |
391 | ||
392 | SV * | |
393 | SvREFCNT_inc(sv) | |
394 | SV * sv | |
395 | PPCODE: | |
396 | { | |
397 | RETVAL = SvREFCNT_inc(sv); | |
398 | PUSHs(RETVAL); | |
399 | } | |
400 | ||
401 | # PPCODE needed since by default it is void | |
402 | ||
8063af02 | 403 | void |
3967c732 JD |
404 | SvREFCNT_dec(sv) |
405 | SV * sv | |
406 | PPCODE: | |
407 | { | |
408 | SvREFCNT_dec(sv); | |
409 | PUSHs(sv); | |
410 | } | |
411 | ||
412 | SV * | |
413 | DeadCode() | |
cea2e8a9 GS |
414 | CODE: |
415 | RETVAL = DeadCode(aTHX); | |
416 | OUTPUT: | |
417 | RETVAL | |
83ee9e09 GS |
418 | |
419 | MODULE = Devel::Peek PACKAGE = Devel::Peek PREFIX = _ | |
420 | ||
421 | SV * | |
422 | _CvGV(cv) | |
423 | SV *cv | |
bd16a5f0 IZ |
424 | |
425 | bool | |
426 | _runops_debug(int flag = -1) |