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 | 25 | SV* ret = newRV_noinc((SV*)newAV()); |
5aaab254 | 26 | SV* svend; |
3967c732 JD |
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; | |
c9795579 KW |
34 | PADLIST* padlist = CvPADLIST(cv); |
35 | AV *argav; | |
3967c732 JD |
36 | SV** svp; |
37 | SV** pad; | |
38 | int i = 0, j, levelm, totm = 0, levelref, totref = 0; | |
39 | int levels, tots = 0, levela, tota = 0, levelas, totas = 0; | |
40 | int dumpit = 0; | |
41 | ||
aed2304a | 42 | if (CvISXSUB(sv)) { |
3967c732 JD |
43 | continue; /* XSUB */ |
44 | } | |
45 | if (!CvGV(sv)) { | |
46 | continue; /* file-level scope. */ | |
47 | } | |
48 | if (!CvROOT(cv)) { | |
bf49b057 | 49 | /* PerlIO_printf(Perl_debug_log, " no root?!\n"); */ |
3967c732 JD |
50 | continue; /* autoloading stub. */ |
51 | } | |
bf49b057 | 52 | do_gvgv_dump(0, Perl_debug_log, "GVGV::GV", CvGV(sv)); |
3967c732 | 53 | if (CvDEPTH(cv)) { |
bf49b057 | 54 | PerlIO_printf(Perl_debug_log, " busy\n"); |
3967c732 JD |
55 | continue; |
56 | } | |
86d2498c FC |
57 | svp = (SV**) PadlistARRAY(padlist); |
58 | while (++i <= PadlistMAX(padlist)) { /* Depth. */ | |
3967c732 JD |
59 | SV **args; |
60 | ||
c9795579 | 61 | if (!svp[i]) continue; |
3967c732 JD |
62 | pad = AvARRAY((AV*)svp[i]); |
63 | argav = (AV*)pad[0]; | |
64 | if (!argav || (SV*)argav == &PL_sv_undef) { | |
bf49b057 | 65 | PerlIO_printf(Perl_debug_log, " closure-template\n"); |
3967c732 JD |
66 | continue; |
67 | } | |
68 | args = AvARRAY(argav); | |
69 | levelm = levels = levelref = levelas = 0; | |
70 | levela = sizeof(SV*) * (AvMAX(argav) + 1); | |
71 | if (AvREAL(argav)) { | |
72 | for (j = 0; j < AvFILL(argav); j++) { | |
73 | if (SvROK(args[j])) { | |
bf49b057 | 74 | PerlIO_printf(Perl_debug_log, " ref in args!\n"); |
3967c732 JD |
75 | levelref++; |
76 | } | |
77 | /* else if (SvPOK(args[j]) && SvPVX(args[j])) { */ | |
78 | else if (SvTYPE(args[j]) >= SVt_PV && SvLEN(args[j])) { | |
79 | levelas += SvLEN(args[j])/SvREFCNT(args[j]); | |
80 | } | |
81 | } | |
82 | } | |
83 | for (j = 1; j < AvFILL((AV*)svp[1]); j++) { /* Vars. */ | |
84 | if (SvROK(pad[j])) { | |
85 | levelref++; | |
bf49b057 | 86 | do_sv_dump(0, Perl_debug_log, pad[j], 0, 4, 0, 0); |
3967c732 JD |
87 | dumpit = 1; |
88 | } | |
89 | /* else if (SvPOK(pad[j]) && SvPVX(pad[j])) { */ | |
90 | else if (SvTYPE(pad[j]) >= SVt_PVAV) { | |
91 | if (!SvPADMY(pad[j])) { | |
92 | levelref++; | |
bf49b057 | 93 | do_sv_dump(0, Perl_debug_log, pad[j], 0, 4, 0, 0); |
3967c732 JD |
94 | dumpit = 1; |
95 | } | |
96 | } | |
97 | else if (SvTYPE(pad[j]) >= SVt_PV && SvLEN(pad[j])) { | |
3967c732 JD |
98 | levels++; |
99 | levelm += SvLEN(pad[j])/SvREFCNT(pad[j]); | |
100 | /* Dump(pad[j],4); */ | |
101 | } | |
102 | } | |
bf49b057 | 103 | PerlIO_printf(Perl_debug_log, " level %i: refs: %i, strings: %i in %i,\targsarray: %i, argsstrings: %i\n", |
3967c732 JD |
104 | i, levelref, levelm, levels, levela, levelas); |
105 | totm += levelm; | |
106 | tota += levela; | |
107 | totas += levelas; | |
108 | tots += levels; | |
109 | totref += levelref; | |
110 | if (dumpit) | |
bf49b057 | 111 | do_sv_dump(0, Perl_debug_log, (SV*)cv, 0, 2, 0, 0); |
3967c732 | 112 | } |
86d2498c | 113 | if (PadlistMAX(padlist) > 1) { |
bf49b057 | 114 | PerlIO_printf(Perl_debug_log, " total: refs: %i, strings: %i in %i,\targsarrays: %i, argsstrings: %i\n", |
3967c732 JD |
115 | totref, totm, tots, tota, totas); |
116 | } | |
117 | tref += totref; | |
118 | tm += totm; | |
119 | ts += tots; | |
120 | ta += tota; | |
121 | tas += totas; | |
122 | } | |
123 | } | |
124 | } | |
bf49b057 | 125 | PerlIO_printf(Perl_debug_log, "total: refs: %i, strings: %i in %i\targsarray: %i, argsstrings: %i\n", tref, tm, ts, ta, tas); |
3967c732 JD |
126 | |
127 | return ret; | |
3967c732 | 128 | #endif /* !PURIFY */ |
8ecf7187 | 129 | } |
3967c732 | 130 | |
3128eefe | 131 | #if defined(MYMALLOC) |
3967c732 JD |
132 | # define mstat(str) dump_mstats(str) |
133 | #else | |
134 | # define mstat(str) \ | |
3128eefe | 135 | PerlIO_printf(Perl_debug_log, "%s: perl not compiled with MYMALLOC\n",str); |
3967c732 JD |
136 | #endif |
137 | ||
3128eefe | 138 | #if defined(MYMALLOC) |
d1424c31 IZ |
139 | |
140 | /* Very coarse overestimate, 2-per-power-of-2, one more to determine NBUCKETS. */ | |
141 | # define _NBUCKETS (2*8*IVSIZE+1) | |
142 | ||
143 | struct mstats_buffer | |
144 | { | |
145 | perl_mstats_t buffer; | |
146 | UV buf[_NBUCKETS*4]; | |
147 | }; | |
148 | ||
f681a178 | 149 | static void |
d1424c31 IZ |
150 | _fill_mstats(struct mstats_buffer *b, int level) |
151 | { | |
c024d977 | 152 | dTHX; |
d1424c31 IZ |
153 | b->buffer.nfree = b->buf; |
154 | b->buffer.ntotal = b->buf + _NBUCKETS; | |
155 | b->buffer.bucket_mem_size = b->buf + 2*_NBUCKETS; | |
156 | b->buffer.bucket_available_size = b->buf + 3*_NBUCKETS; | |
157 | Zero(b->buf, (level ? 4*_NBUCKETS: 2*_NBUCKETS), unsigned long); | |
158 | get_mstats(&(b->buffer), _NBUCKETS, level); | |
159 | } | |
160 | ||
f681a178 | 161 | static void |
d1424c31 IZ |
162 | fill_mstats(SV *sv, int level) |
163 | { | |
c024d977 | 164 | dTHX; |
d1424c31 IZ |
165 | |
166 | if (SvREADONLY(sv)) | |
167 | croak("Cannot modify a readonly value"); | |
b59747ac | 168 | sv_grow(sv, sizeof(struct mstats_buffer)+1); |
d1424c31 IZ |
169 | _fill_mstats((struct mstats_buffer*)SvPVX(sv),level); |
170 | SvCUR_set(sv, sizeof(struct mstats_buffer)); | |
171 | *SvEND(sv) = '\0'; | |
172 | SvPOK_only(sv); | |
173 | } | |
174 | ||
f681a178 | 175 | static void |
7698c435 | 176 | _mstats_to_hv(HV *hv, const struct mstats_buffer *b, int level) |
d1424c31 | 177 | { |
c024d977 | 178 | dTHX; |
d1424c31 IZ |
179 | SV **svp; |
180 | int type; | |
181 | ||
182 | svp = hv_fetch(hv, "topbucket", 9, 1); | |
183 | sv_setiv(*svp, b->buffer.topbucket); | |
184 | ||
185 | svp = hv_fetch(hv, "topbucket_ev", 12, 1); | |
186 | sv_setiv(*svp, b->buffer.topbucket_ev); | |
187 | ||
188 | svp = hv_fetch(hv, "topbucket_odd", 13, 1); | |
189 | sv_setiv(*svp, b->buffer.topbucket_odd); | |
190 | ||
191 | svp = hv_fetch(hv, "totfree", 7, 1); | |
192 | sv_setiv(*svp, b->buffer.totfree); | |
193 | ||
194 | svp = hv_fetch(hv, "total", 5, 1); | |
195 | sv_setiv(*svp, b->buffer.total); | |
196 | ||
197 | svp = hv_fetch(hv, "total_chain", 11, 1); | |
198 | sv_setiv(*svp, b->buffer.total_chain); | |
199 | ||
200 | svp = hv_fetch(hv, "total_sbrk", 10, 1); | |
201 | sv_setiv(*svp, b->buffer.total_sbrk); | |
202 | ||
203 | svp = hv_fetch(hv, "sbrks", 5, 1); | |
204 | sv_setiv(*svp, b->buffer.sbrks); | |
205 | ||
206 | svp = hv_fetch(hv, "sbrk_good", 9, 1); | |
207 | sv_setiv(*svp, b->buffer.sbrk_good); | |
208 | ||
209 | svp = hv_fetch(hv, "sbrk_slack", 10, 1); | |
210 | sv_setiv(*svp, b->buffer.sbrk_slack); | |
211 | ||
212 | svp = hv_fetch(hv, "start_slack", 11, 1); | |
213 | sv_setiv(*svp, b->buffer.start_slack); | |
214 | ||
215 | svp = hv_fetch(hv, "sbrked_remains", 14, 1); | |
216 | sv_setiv(*svp, b->buffer.sbrked_remains); | |
217 | ||
218 | svp = hv_fetch(hv, "minbucket", 9, 1); | |
219 | sv_setiv(*svp, b->buffer.minbucket); | |
220 | ||
221 | svp = hv_fetch(hv, "nbuckets", 8, 1); | |
222 | sv_setiv(*svp, b->buffer.nbuckets); | |
223 | ||
224 | if (_NBUCKETS < b->buffer.nbuckets) | |
225 | warn("FIXME: internal mstats buffer too short"); | |
226 | ||
227 | for (type = 0; type < (level ? 4 : 2); type++) { | |
f0f74ded | 228 | UV *p = 0, *p1 = 0, i; |
d1424c31 | 229 | AV *av; |
d1424c31 IZ |
230 | static const char *types[4] = { |
231 | "free", "used", "mem_size", "available_size" | |
232 | }; | |
233 | ||
234 | svp = hv_fetch(hv, types[type], strlen(types[type]), 1); | |
235 | ||
236 | if (SvOK(*svp) && !(SvROK(*svp) && SvTYPE(SvRV(*svp)) == SVt_PVAV)) | |
237 | croak("Unexpected value for the key '%s' in the mstats hash", types[type]); | |
238 | if (!SvOK(*svp)) { | |
239 | av = newAV(); | |
d05c1ba0 | 240 | (void)SvUPGRADE(*svp, SVt_RV); |
b162af07 | 241 | SvRV_set(*svp, (SV*)av); |
d1424c31 IZ |
242 | SvROK_on(*svp); |
243 | } else | |
244 | av = (AV*)SvRV(*svp); | |
245 | ||
246 | av_extend(av, b->buffer.nbuckets - 1); | |
247 | /* XXXX What is the official way to reduce the size of the array? */ | |
248 | switch (type) { | |
249 | case 0: | |
250 | p = b->buffer.nfree; | |
251 | break; | |
252 | case 1: | |
253 | p = b->buffer.ntotal; | |
254 | p1 = b->buffer.nfree; | |
255 | break; | |
256 | case 2: | |
257 | p = b->buffer.bucket_mem_size; | |
258 | break; | |
259 | case 3: | |
260 | p = b->buffer.bucket_available_size; | |
261 | break; | |
262 | } | |
263 | for (i = 0; i < b->buffer.nbuckets; i++) { | |
264 | svp = av_fetch(av, i, 1); | |
265 | if (type == 1) | |
266 | sv_setiv(*svp, p[i]-p1[i]); | |
267 | else | |
268 | sv_setuv(*svp, p[i]); | |
269 | } | |
270 | } | |
271 | } | |
f681a178 AT |
272 | |
273 | static void | |
d1424c31 IZ |
274 | mstats_fillhash(SV *sv, int level) |
275 | { | |
276 | struct mstats_buffer buf; | |
277 | ||
278 | if (!(SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVHV)) | |
279 | croak("Not a hash reference"); | |
280 | _fill_mstats(&buf, level); | |
281 | _mstats_to_hv((HV *)SvRV(sv), &buf, level); | |
282 | } | |
f681a178 AT |
283 | |
284 | static void | |
d1424c31 IZ |
285 | mstats2hash(SV *sv, SV *rv, int level) |
286 | { | |
287 | if (!(SvROK(rv) && SvTYPE(SvRV(rv)) == SVt_PVHV)) | |
288 | croak("Not a hash reference"); | |
289 | if (!SvPOK(sv)) | |
290 | croak("Undefined value when expecting mstats buffer"); | |
291 | if (SvCUR(sv) != sizeof(struct mstats_buffer)) | |
292 | croak("Wrong size for a value with a mstats buffer"); | |
293 | _mstats_to_hv((HV *)SvRV(rv), (struct mstats_buffer*)SvPVX(sv), level); | |
294 | } | |
3128eefe | 295 | #else /* defined(MYMALLOC) */ |
f681a178 | 296 | static void |
d1424c31 IZ |
297 | fill_mstats(SV *sv, int level) |
298 | { | |
c33e8be1 Z |
299 | PERL_UNUSED_ARG(sv); |
300 | PERL_UNUSED_ARG(level); | |
d1424c31 IZ |
301 | croak("Cannot report mstats without Perl malloc"); |
302 | } | |
f681a178 AT |
303 | |
304 | static void | |
d1424c31 IZ |
305 | mstats_fillhash(SV *sv, int level) |
306 | { | |
c33e8be1 Z |
307 | PERL_UNUSED_ARG(sv); |
308 | PERL_UNUSED_ARG(level); | |
d1424c31 IZ |
309 | croak("Cannot report mstats without Perl malloc"); |
310 | } | |
f681a178 AT |
311 | |
312 | static void | |
d1424c31 IZ |
313 | mstats2hash(SV *sv, SV *rv, int level) |
314 | { | |
c33e8be1 Z |
315 | PERL_UNUSED_ARG(sv); |
316 | PERL_UNUSED_ARG(rv); | |
317 | PERL_UNUSED_ARG(level); | |
d1424c31 IZ |
318 | croak("Cannot report mstats without Perl malloc"); |
319 | } | |
3128eefe | 320 | #endif /* defined(MYMALLOC) */ |
d1424c31 | 321 | |
83ee9e09 GS |
322 | #define _CvGV(cv) \ |
323 | (SvROK(cv) && (SvTYPE(SvRV(cv))==SVt_PVCV) \ | |
15bcf759 | 324 | ? SvREFCNT_inc(CvGV((CV*)SvRV(cv))) : &PL_sv_undef) |
83ee9e09 | 325 | |
3967c732 JD |
326 | MODULE = Devel::Peek PACKAGE = Devel::Peek |
327 | ||
328 | void | |
329 | mstat(str="Devel::Peek::mstat: ") | |
d3f5e399 | 330 | const char *str |
3967c732 JD |
331 | |
332 | void | |
d1424c31 IZ |
333 | fill_mstats(SV *sv, int level = 0) |
334 | ||
335 | void | |
336 | mstats_fillhash(SV *sv, int level = 0) | |
337 | PROTOTYPE: \%;$ | |
338 | ||
339 | void | |
340 | mstats2hash(SV *sv, SV *rv, int level = 0) | |
341 | PROTOTYPE: $\%;$ | |
342 | ||
343 | void | |
3967c732 JD |
344 | Dump(sv,lim=4) |
345 | SV * sv | |
346 | I32 lim | |
347 | PPCODE: | |
348 | { | |
64ace3f8 | 349 | SV *pv_lim_sv = perl_get_sv("Devel::Peek::pv_limit", 0); |
7698c435 | 350 | const STRLEN pv_lim = pv_lim_sv ? SvIV(pv_lim_sv) : 0; |
64ace3f8 | 351 | SV *dumpop = perl_get_sv("Devel::Peek::dump_ops", 0); |
16d8f38a | 352 | const U16 save_dumpindent = PL_dumpindent; |
3967c732 | 353 | PL_dumpindent = 2; |
eb160463 GS |
354 | do_sv_dump(0, Perl_debug_log, sv, 0, lim, |
355 | (bool)(dumpop && SvTRUE(dumpop)), pv_lim); | |
16d8f38a | 356 | PL_dumpindent = save_dumpindent; |
3967c732 JD |
357 | } |
358 | ||
359 | void | |
360 | DumpArray(lim,...) | |
361 | I32 lim | |
362 | PPCODE: | |
363 | { | |
364 | long i; | |
64ace3f8 | 365 | SV *pv_lim_sv = perl_get_sv("Devel::Peek::pv_limit", 0); |
7698c435 | 366 | const STRLEN pv_lim = pv_lim_sv ? SvIV(pv_lim_sv) : 0; |
64ace3f8 | 367 | SV *dumpop = perl_get_sv("Devel::Peek::dump_ops", 0); |
16d8f38a | 368 | const U16 save_dumpindent = PL_dumpindent; |
3967c732 JD |
369 | PL_dumpindent = 2; |
370 | ||
371 | for (i=1; i<items; i++) { | |
7b0972df | 372 | PerlIO_printf(Perl_debug_log, "Elt No. %ld 0x%"UVxf"\n", i - 1, PTR2UV(ST(i))); |
eb160463 GS |
373 | do_sv_dump(0, Perl_debug_log, ST(i), 0, lim, |
374 | (bool)(dumpop && SvTRUE(dumpop)), pv_lim); | |
3967c732 | 375 | } |
16d8f38a | 376 | PL_dumpindent = save_dumpindent; |
3967c732 JD |
377 | } |
378 | ||
379 | void | |
380 | DumpProg() | |
381 | PPCODE: | |
382 | { | |
d2560b70 | 383 | warn("dumpindent is %d", (int)PL_dumpindent); |
3967c732 JD |
384 | if (PL_main_root) |
385 | op_dump(PL_main_root); | |
386 | } | |
387 | ||
da1929e7 | 388 | U32 |
3967c732 JD |
389 | SvREFCNT(sv) |
390 | SV * sv | |
da1929e7 TC |
391 | PROTOTYPE: \[$@%&*] |
392 | CODE: | |
393 | RETVAL = SvREFCNT(SvRV(sv)) - 1; /* -1 because our ref doesn't count */ | |
394 | OUTPUT: | |
395 | RETVAL | |
3967c732 JD |
396 | |
397 | SV * | |
398 | DeadCode() | |
cea2e8a9 GS |
399 | CODE: |
400 | RETVAL = DeadCode(aTHX); | |
401 | OUTPUT: | |
402 | RETVAL | |
83ee9e09 GS |
403 | |
404 | MODULE = Devel::Peek PACKAGE = Devel::Peek PREFIX = _ | |
405 | ||
406 | SV * | |
407 | _CvGV(cv) | |
408 | SV *cv | |
bd16a5f0 IZ |
409 | |
410 | bool | |
411 | _runops_debug(int flag = -1) |