12007-07-19 Release Manager 2 3 * GCC 4.2.1 released. 4 52007-05-13 Release Manager 6 7 * GCC 4.2.0 released. 8 92006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr> 10 11 * configure: Regenerate. 12 132006-09-18 Tom Tromey <tromey@redhat.com> 14 15 * configure: Rebuilt. 16 172006-06-21 Frank Ch. Eigler <fche@redhat.com> 18 19 PR 21274 20 mf-runtime.h installation based on ssp patch for PR 26473 from 21 Mark Mitchell <mark@codesourcery.com>. 22 * configure.ac (ACX_NONCANONICAL_TARGET): Use it. 23 * Makefile.am (target_noncanonical): Define. 24 (libsubincludedir): New variable. 25 (nobase_libsubinclude_HEADERS): Add mf-runtime.h. 26 (include_HEADERS): Remove. 27 * configure, aclocal.m4, config.h.in: Regenerated. 28 * Makefile.in, testsuite/Makefile.in: Likewise. 29 * mf-runtime.h: Add #ifndef protection for conflicting _REENTRANT 30 and _THREAD_SAFE redefinition values. 31 322006-05-23 Carlos O'Donell <carlos@codesourcery.com> 33 34 * Makefile.am: Add install-html target. Add install-html to .PHONY 35 * Makefile.in: Regenerate. 36 372006-04-19 Volker Reichelt <reichelt@igpm.rwth-aachen.de> 38 39 PR mudflap/26789 40 * testsuite/libmudflap.c++/error1-frag.cxx: New test. 41 42 PR mudflap/26790 43 * testsuite/libmudflap.c++/error2-frag.cxx: New test. 44 452006-04-10 Matthias Klose <doko@debian.org> 46 47 * testsuite/lib/libmudflap.exp (libmudflap-init): Recognize multilib 48 directory names containing underscores. 49 502005-11-22 Janis Johnson <janis187@us.ibm.com> 51 52 * testsuite/lib/libmudflap.exp (libmudflap-init): Remove -static from 53 MUDFLAP_FLAGS if static library not supported. 54 * testsuite/libmudflap.c/cfrags.exp (MUDFLAP_FLAGS): new. 55 * testsuite/libmudflap.c/externs.exp: Ditto. 56 * testsuite/libmudflap.c++/ctors.exp: Ditto. 57 * testsuite/libmudflap.c++/c++frags.exp: Ditto. 58 * testsuite/libmudflap.cth/cthfrags.exp: Ditto. 59 602005-10-04 James E Wilson <wilson@specifix.com> 61 62 * configure.ac (mudflap_cv_entry_point): Use quadrigraphs to declare 63 $name as array of characters with unknown bound. Also store into the 64 array. 65 * configure: Regenerate. 66 672005-09-30 James E. Wilson <wilson@specifix.com> 68 69 * configure.ac (pthread.h): Use AC_CHECK_HEADERS instead of 70 AC_CHECK_HEADER. 71 (target_thread_file): New. Set from sed'ed gcc output. 72 (posix_threads): New. Set from target_thread_file. Use instead of 73 ac_have_pthread_h. 74 (pthread_create_version): Move initialization before code using it. 75 * configure: Regenerate. 76 77 * mf-heuristics.c (_end, ENTRY_POINT): Make them arrays with unknown 78 bounds. 79 802005-09-29 James E. Wilson <wilson@specifix.com> 81 82 * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect 83 with HAVE_MMAP ifdef. 84 852005-09-23 Frank Ch. Eigler <fche@elastic.org> 86 87 PR 23084. 88 * mf-hooks2.c (accept): Tolerate NULL sockaddr* parameter. 89 902005-09-23 Frank Ch. Eigler <fche@elastic.org> 91 92 * testsuite/libmudflap.c++/pass58-frag.cxx: New test for heisenbug 19319. 93 942005-09-23 Tom Tromey <tromey@redhat.com> 95 96 * aclocal.m4, configure: Rebuilt. 97 * configure.ac: Use GCC_CHECK_TLS. 98 * acinclude.m4 (LIBMUDFLAP_CHECK_TLS, LIBMUDFLAP_ENABLE): Moved 99 to ../config. 100 1012005-08-22 Jim Wilson <wilson@specifix.com> 102 103 * mf-hooks2.c (MF_REGISTER_fopen): Define to __MF_TYPE_STATIC when 104 __FreeBSD__ is defined. 105 1062005-08-17 Jim Wilson <wilson@specifix.com> 107 108 * mf-hooks1.c (malloc, calloc, realloc, free, 109 __mf_wrap_alloca_indirect): Call BEGIN_MALLOC_PROTECT before calling 110 the real routines, and END_MALLOC_PROTECT afterwards. 111 * mf-impl.h (enum __mf_state_enum): Expand comment. Add in_malloc. 112 (BEGIN_PROTECT): Handle in_malloc state. 113 (BEGIN_MALLOC_PROTECT, END_MALLOC_PROTECT): New. 114 * testsuite/libmudflap.c/hook2-allocstuff.c: New. 115 1162005-08-17 Kelley Cook <kcook@gcc.gnu.org> 117 118 * All files: Update FSF address. 119 1202005-08-15 Ulrich Weigand <weigand@informatik.uni-erlangen.de> 121 122 * mf-hooks3.c (main_seen_p): Remove. 123 (__mf_get_state): Remove attempt to recognize the main thread. 124 1252005-08-15 Maciej W. Rozycki <macro@linux-mips.org> 126 127 * configure.ac: Test for the name of the symbol used for the entry 128 point; define ENTRY_POINT to the result. 129 * configure: Regenerate. 130 * config.h.in: Regenerate. 131 * mf-heuristics.c: Replace _start with ENTRY_POINT throughout. 132 1332005-08-14 Ulrich Weigand <weigand@informatik.uni-erlangen.de> 134 135 * mf-runtime.c (__mf_state_1): Initialize to reentrant. 136 (__mf_init): Set thread state active. 137 * mf-hooks3.c (__mf_pthread_spawner): Always set thread 138 state active. 139 (pthread_create wrapper): Always use thread spawner. 140 141 * testsuite/libmudflap.cth/pass37-frag.c: Increase timeout. 142 * testsuite/libmudflap.cth/pass39-frag.c: Likewise. 143 1442005-07-16 Richard Henderson <rth@redhat.com> 145 146 * acinclude.m4: New file. 147 * configure.ac: Invoke LIBMUDFLAP_CHECK_TLS. 148 * configure, config.h.in, Makefile.in, testsuite/Makefile.in: Rebuild. 149 * mf-hooks1.c (__mf_0fn_malloc): Move body from ... 150 (__mf_0fn_calloc): ... here. 151 * mf-hooks3.c (struct pthread_info): Remove. 152 (__mf_pthread_info, __mf_pthread_info_idx): Remove. 153 (LIBMUDFLAPTH_THREADS_MAX): Set to 1021. 154 (struct mf_thread_data): New. 155 (mf_thread_data, mf_thread_data_lock): New. 156 (__mf_allocate_blank_threadinfo): Remove. 157 (__mf_find_threadinfo): Rewrite and simplify. Only use if TLS is 158 not available. 159 (__mf_state_perthread): Remove. 160 (__mf_get_state, __mf_set_state): New. 161 (__mf_pthread_cleanup): Use &errno, rather than saved pointer. 162 Update mf_thread_data killing procedure. 163 (__mf_pthread_spawner): Similarly. 164 (__mf_0fn_pthread_create): Only use wrapper if necessary. Remove 165 code to allocate thread stack space. 166 (__mf_0fn_pthread_join, pthread_join): Remove. 167 (__mf_0fn_pthread_exit, pthread_exit): Remove. 168 * mf-impl.h (dyn_pthread_join, dyn_pthread_exit): Remove. 169 (__mf_state_1): Rename from __mf_state; use TLS when available. 170 (__mf_get_state, __mf_set_state): New. Update all users. 171 * mf-runtime.c (begin_recursion_protect1): New. 172 (BEGIN_RECURSION_PROTECT): Use it. 173 (__mf_state_1): Rename from __mf_state; use TLS when available. 174 (threads_active_p): Remove. 175 (__mf_usage): Compute it directly. 176 1772005-06-19 Ulrich Weigand <uweigand@de.ibm.com> 178 179 * testsuite/libmudflap.c/externs-1.c (main): Add return statement. 180 1812005-06-15 Frank Ch. Eigler <fche@redhat.com> 182 183 Fix for uncaching bug reported by Herman ten Brugge. 184 * mf-runtime.c (__mf_uncache_object): Search whole cache. 185 * testsuite/libmudflap.c/fail40-frag.c: New test. 186 1872005-05-23 Alfred M. Szmidt <ams@gnu.org> 188 189 PR libmudflap/21724 190 * Makefile.am (AM_MAKEFLAGS): Pass includedir. 191 * Makefile.in: Amend. 192 1932005-06-14 Frank Ch. Eigler <fche@redhat.com> 194 195 PR mudflap/21023 196 * testsuite/libmudflap.c/externs.exp, externs-{1,2}.c: New test files. 197 * testsuite/libmudflap.c/cfrags.exp: Bypass new sources. 198 1992005-06-14 Frank Ch. Eigler <fche@redhat.com> 200 201 PR libmudflap/21094 202 * testsuite/libmudflap.c++/*.exp: Assert build tree g++. 203 2042005-06-14 Frank Ch. Eigler <fche@redhat.com> 205 206 PR mudflap/22064 207 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary 208 unsigned vars with #defines instead of enums. 209 2102005-05-09 Mike Stump <mrs@apple.com> 211 212 * configure: Regenerate. 213 2142005-04-12 Mike Stump <mrs@apple.com> 215 216 * configure: Regenerate. 217 2182005-04-12 Frank Ch. Eigler <fche@redhat.com> 219 220 PR mudflap/19266 221 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation. 222 * testsuite/libmudflap.c++/pass57-frag.cxx: New test. 223 2242005-04-04 Alan Modra <amodra@bigpond.net.au> 225 226 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned. 227 2282005-03-31 Mike Stump <mrs@apple.com> 229 230 * mf-runtime.h: Add libmudflap copyright clause. 231 2322005-03-21 Mike Stump <mrs@apple.com> 233 234 * mf-heuristics.c: Fix whitespace at end of line. 235 * mf-hooks1.c: Likewise. 236 * mf-hooks2.c: Likewise. 237 * mf-hooks3.c: Likewise. 238 * mf-impl.h: Likewise. 239 * mf-runtime.c: Likewise. 240 * mf-runtime.h: Likewise. 241 2422005-03-21 Zack Weinberg <zack@codesourcery.com> 243 244 * configure.ac: Do not invoke TL_AC_GCC_VERSION. 245 In all substitutions, expand gcc_version in Makefile. 246 * aclocal.m4, configure: Regenerate. 247 * Makefile.am: Set gcc_version. 248 * Makefile.in, testsuite/Makefile.in: Regenerate. 249 2502005-03-17 Frank Ch. Eigler <fche@redhat.com> 251 252 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration. 253 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests. 254 2552005-02-13 Frank Ch. Eigler <fche@redhat.com> 256 257 PR mudflap/19319 258 * testsuite/libmudflap.c++/pass55-frag.c: New test. 259 2602005-01-05 Richard Henderson <rth@redhat.com> 261 262 * testsuite/libmudflap.c/pass32-frag.c: Fix typo. 263 2642005-01-02 Greg McGary <greg@mcgary.org> 265 266 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly. 267 * mf-runtime.h: New file, replaces mf-runtime.h.in. 268 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated. 269 * Makefile.in: Ditto. 270 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h 271 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/ 272 * testsuite/libmudflap.c/fail36-frag.c: New test. 273 * testsuite/libmudflap.c/fail37-frag.c: New test. 274 * testsuite/libmudflap.c/fail38-frag.c: New test. 275 2762004-12-08 Kelley Cook <kcook@gcc.gnu.org> 277 278 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS. 279 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate. 280 2812004-12-02 Richard Sandiford <rsandifo@redhat.com> 282 283 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version. 284 * aclocal.m4: Include ../config/gcc-version.m4. 285 * configure, Makefile.in, testsuite/Makefile.in: Regenerate. 286 2872004-11-29 Kelley Cook <kcook@gcc.gnu.org> 288 289 * Makefile.am: Define ACLOCAL_AMFLAGS. 290 * acinclude.m4: Remove. 291 * stamp-h.in: Remove superfluous stamp file. 292 * aclocal.m4, configure, Makefile.in: Regenerate. 293 * testsuite/Makefile.in: Likewise. 294 2952004-11-24 Kelley Cook <kcook@gcc.gnu.org> 296 297 * Makefile.am: Revert previous. 298 * acinclude.m4: Restore. 299 * aclocal.m4, configure, Makefile.in: Regenerate. 300 * testsuite/Makefile.in: Likewise. 301 3022004-11-24 Kelley Cook <kcook@gcc.gnu.org> 303 304 * Makefile.am: Define ACLOCAL_AMFLAGS. 305 * acinclude.m4: Remove. 306 * aclocal.m4, configure, Makefile.in: Regenerate. 307 * testsuite/Makefile.in: Likewise. 308 3092004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> 310 311 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp. 312 3132004-11-23 Kelley Cook <kcook@gcc.gnu.org> 314 315 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3. 316 * testsuite/Makefile.in: Likewise. 317 3182004-11-01 Andreas Schwab <schwab@suse.de> 319 320 * configure.ac: (target_alias): Default to $host_alias, not 321 $target. 322 * configure: Regenerated. 323 3242004-10-28 Frank Ch. Eigler <fche@redhat.com> 325 326 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests. 327 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning 328 message. 329 3302004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr> 331 332 PR other/18138 333 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc. 334 3352004-10-12 Frank Ch. Eigler <fche@redhat.com> 336 337 * configure.ac: Check for more headers, functions. 338 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for 339 tracking overridden FILE buffers. 340 (fopen, setvbuf): New/revised hook functions for buffer overriding. 341 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto. 342 (fflush): Accept given NULL stream (means "all streams"). 343 * mf-runtime.h.in: 344 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent 345 HEAP/GUESS objects. 346 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively. 347 (__mf_adapt_cache): Use them all. 348 * testsuite/libmudflap.c/pass35-frag.c: Update warning message. 349 * testsuite/libmudflap.c++/ctors.exp: Ditto. 350 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests. 351 * configure, config.h.in: Regenerated. 352 3532004-10-05 Frank Ch. Eigler <fche@redhat.com> 354 355 * configure.ac: Checking for sys/socket.h once is enough. 356 * configure: Regenerated. 357 3582004-10-04 Frank Ch. Eigler <fche@redhat.com> 359 360 * configure.ac: Look for more headers & functions. 361 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions. 362 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them. 363 * mf-runtime.c (options): Clean up integer signedness warnings. 364 (main): Add a declaration to fix a warning. 365 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper. 366 * configure, config.h.in: Regenerated. 367 3682004-10-02 Frank Ch. Eigler <fche@redhat.com> 369 370 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c: 371 New tests for proper base/limit checking for aggregates. 372 3732004-09-15 Joseph S. Myers <jsm@polyomino.org.uk> 374 375 * testsuite/libmudflap.c/pass35-frag.c: Update expected message. 376 3772004-09-07 Frank Ch. Eigler <fche@redhat.com> 378 379 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions. 380 * mf-hooks2.c (strerror): Unregister previous string returned by 381 previous strerror. 382 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers. 383 (getservent,getservbyname,getservbyport,gai_strerror): Ditto. 384 * mf-runtime.h.in: Add redefine_extname pragmas for them all. 385 * mf-runtime.c (__mf_describe_object): Clarify object life status. 386 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c: 387 New tests. 388 * configure, config.h.in: Regenerated. 389 3902004-08-03 Dale Johannesen <dalej@apple.com> 391 392 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin. 393 3942004-08-03 Frank Ch. Eigler <fche@redhat.com> 395 396 * mf-runtime.c (compare_uintptr_t): Remove function. Inline 397 simplified contents in all former callers. 398 3992004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de> 400 401 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in 402 the statically linked case. 403 4042004-07-27 Frank Ch. Eigler <fche@redhat.com> 405 406 * splay-tree.[ch]: Remove. Merge contents into ... 407 * mf-runtime.c: ... here, renaming symbols and making all functions 408 static. Remove unused min/max functions. 409 * Makefile.am: Forget about splay-tree.[ch]. 410 * Makefile.in, testsuite/Makefile.in: Regenerated. 411 4122004-07-21 Frank Ch. Eigler <fche@redhat.com> 413 414 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling. 415 (__mfu_usage): Include (C) 2004. 416 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions 417 here. Include a comment explaining why. 418 4192004-07-20 Frank Ch. Eigler <fche@redhat.com> 420 421 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields. 422 * mf-runtime.c (options): Give them a name. 423 (__mf_set_default_options): Set them. 424 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps. 425 (__mf_violation): Warning cleanup. 426 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option. 427 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl. 428 4292004-07-15 Frank Ch. Eigler <fche@redhat.com> 430 431 g++/15861 432 * mf-runtime.c (__mf_init): Make it non-static. Tolerate 433 repeated invocation. 434 4352004-07-09 Frank Ch. Eigler <fche@redhat.com> 436 437 Test case for g++/15861 438 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves. 439 * testsuite/libmudflap.c++/ctors.exp: Driver. 440 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default. 441 Look only for *frag* test cases. 442 4432004-07-08 Frank Ch. Eigler <fche@redhat.com> 444 445 ANSI C conversion, libmudflap specialization, recursion limiting. 446 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data 447 argument and indirection function pointers, update callers. 448 (splay_tree_s): Add statistics and recursion control fields 449 num_keys, max_depth, depth, rebalance_p. 450 * splay-tree.c (splay_tree_splay_helper): Track recursion depth. 451 Back out of search if it exceeds limit. 452 (splay_tree_splay): Manage recursion limiting with rebalancing as 453 needed. 454 (splay_tree_new): More initialization. 455 (splay_tree_rebalance): New function. 456 (splay_tree_foreach): Rewrite using nonrecursive logic. 457 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate): 458 Remove. Point indirect calls to mf-runtime.c's routines. 459 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused 460 functions. 461 (splay_tree_delete, splay_tree_delete_helper): Ditto. 462 * testsuite/heap-scalestress.c: New test based on one from 463 Eyal Lebedinsky <eyal@eyal.emu.id.au>: 464 4652004-07-05 Matthias Klose <doko@debian.org> 466 467 * libtool-version: New. 468 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS): 469 Use -version-info for soname. 470 * Makefile.in: Regenerate. 471 * configure.ac: Remove libtool_VERSION macro 472 * configure: Regenerate 473 4742004-07-05 Zack Weinberg <zack@codesourcery.com> 475 476 * mf-runtime.h.in: Wrap declarations of struct __mf_cache, 477 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in 478 #ifndef _MUDFLAP. 479 4802004-06-29 Frank Ch. Eigler <fche@redhat.com> 481 482 Splay tree implementation fork. 483 * splay-tree.c, splay-tree.h: Copied & modified from libiberty. 484 Use hard-coded comparison function for uintptr_t. Remove key/value 485 deallocation logic. Cache last splayed key for consecutive lookups. 486 * Makefile.am, Makefile.in: Use them, don't link to them. 487 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new. 488 (__mf_find_objects2): Flip successor/predecessor search sequence. 489 * ansidecl.h, libiberty.h: Removed dummy files. 490 4912004-06-29 Nick Clifton <nickc@redhat.com> 492 493 * configure.ac (AC_CHECK_HEADERS): Add dirent.h 494 * configure: Regenerate. 495 * mf-hooks2.c: Surround uses of dirent.h with #ifdef 496 HAVE_DIRENT_H. 497 Remove spurious inclusion of <strings.h>. 498 4992004-06-29 Nick Clifton <nickc@redhat.com> 500 501 * mf-runtime.c (pthread_join): Only apply the weak pragma if the 502 function actually exists. 503 5042004-06-25 Frank Ch. Eigler <fche@redhat.com> 505 506 * ansidecl.h, libiberty.h: New dummy files for building splay-tree. 507 * config.h.in: Regenerated. 508 5092004-06-24 Frank Ch. Eigler <fche@redhat.com> 510 511 Adopt splay trees for object database. 512 * Makefile.am: Copy splay-tree.* from libiberty. 513 * Makefile.in, testsuite/Makefile.in: Regenerated. 514 * mf-runtime.h.in (__mf_unregister): Add third parameter (type). 515 * mf-hooks[123].c (*): Add new third parameter to mf_unregister. 516 * mf-impl.h (BEGIN_PROTECT): Remove some trace text. 517 * mf-runtime.c: Rewrite code dealing with object database to use 518 libiberty splay trees. Remove tree liveness aging option. 519 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag. 520 5212004-06-15 Paolo Bonzini <bonzini@gnu.org> 522 523 * configure.ac: New name of configure.in. Update 524 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES, 525 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for 526 Autoconf 2.5x and Automake 1.7 or later. 527 * configure.in: Remove. 528 * configure: Regenerate. 529 530 * Makefile.am: Remove useless multilib rules. 531 * Makefile.in: Regenerate. 532 5332004-06-15 Paolo Bonzini <bonzini@gnu.org> 534 535 * .cvsignore: New file. 536 5372004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net> 538 539 PR libmudflap/13505 540 * mf-hooks2.c (semctl): Add cygwin porting hack. 541 5422004-06-09 Frank Ch. Eigler <fche@redhat.com> 543 544 ctype support. 545 * configure.in: Look for ctype header and glibc implementation. 546 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype 547 array hooks for glibc 2.3. 548 * mf-runtime.h.in: Wrap them. 549 * mf-runtime.c (__mf_init): Leave marker regarding other ctype 550 implementations. 551 * testsuite/libmudflap.c/pass47-frag.c: New test. 552 * configure, config.h.in: Regenerated. 553 5542004-06-04 Frank Ch. Eigler <fche@redhat.com> 555 556 Portability improvements, e.g., libmudflap/15293. 557 * configure.in: Look for glibc extension functions. Look for 558 support of -f{function,data}-sections. Look for more headers. 559 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos. 560 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled 561 mf-hooks* into usual single object per source. 562 * mf-hooks*.c: Remove all #if WRAP_foo conditionals. 563 * mf-hooks2.c: #include a bunch more system headers. Define strnlen 564 if system doesn't provide one. 565 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields. 566 (pthread_create): Use it to properly GC dead thread stacks. 567 * mf-runtime.c (__mf_violation): Correct snprintf type warning. 568 * testsuite/Makefile.am: Stop generating site.exp. 569 * testsuite/mfconfig.exp.in: New file. 570 * testsuite/config/default.exp: Load new mfconfig.exp. 571 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries. 572 (prune_gcc_output): Add glibc static linking warnings. 573 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs. 574 * testsuite/libmudflap.c/pass46-frag.c: Ditto. 575 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in: 576 Regenerated with autoconf 2.57 and automake 1.7. 577 5782004-06-04 Per Bothner <per@bothner.com> 579 580 * configure.in (LIBMUDFLAPTH): Fix thinko. 581 582 * configure.in: Check for more headers. 583 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc. 584 585 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than 586 HAVE_SIGNAL as mingw has signal.h but not SIUSR1. 587 5882004-06-01 Andreas Jaeger <aj@suse.de> 589 590 * configure.in: Handle multilibs, support 591 --enable-version-specific-runtime-libs. 592 * Makefile.am (lib_LTLIBRARIES): Rename to ... 593 (toolexeclib_LTLIBRARIES): this for multilib support. 594 * Makefile.in: Regenerated. 595 * configure: Regenerated. 596 * aclocal.m4: Regenerated. 597 * config.h.in: Regenerated. 598 * testsuite/Makefile.in: Regenerated. 599 6002004-06-01 Andreas Jaeger <aj@suse.de> 601 602 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle 603 multilibs, using multilib directory instead of hardcoded path. 604 Set LD_RUN_PATH. 605 6062004-05-21 Frank Ch. Eigler <fche@redhat.com> 607 608 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS. 609 * Makefile.in: Ditto. 610 6112004-05-18 Kaz Kojima <kkojima@gcc.gnu.org> 612 613 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*. 614 * aclocal.m4, configure: Rebuilt. 615 6162004-05-17 Frank Ch. Eigler <fche@redhat.com> 617 618 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only, 619 import some build settings from libstdc++-v3 testsuite_flags. 620 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding 621 changes to pass test language. 622 623 * mf-runtime.c (__mfu_check): Poison the cache with antidote for 624 quicker mode-nop handling. 625 6262004-03-25 Frank Ch. Eigler <fche@redhat.com> 627 628 * mf-impl.h: Added libgcc license header. 629 6302004-03-20 Frank Ch. Eigler <fche@redhat.com> 631 632 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c: 633 Added libgcc license header. 634 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness. 635 (pthread_create): Simplify stack allocation syntax. 636 6372004-03-08 Loren J. Rittle <ljrittle@acm.org> 638 639 * mf-hooks2.c: Support FreeBSD. 640 (WRAP_gets): Avoid gets(). 641 * testsuite/libmudflap.c/pass-stratcliff.c: Do not 642 test unimplemented mem/str calls on FreeBSD. 643 * testsuite/libmudflap.c/pass21-frag.c: Do not include 644 <alloca.h> on FreeBSD. 645 6462004-01-30 Frank Ch. Eigler <fche@redhat.com> 647 648 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call. 649 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir. 650 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler 651 flags for static linking permutation. 652 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid 653 some pthreads code that croaks on linux glibc tls. 654 6552004-01-27 Frank Ch. Eigler <fche@redhat.com> 656 657 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests. 658 6592004-01-15 Frank Ch. Eigler <fche@redhat.com> 660 661 * testsuite/libmudflap.c/pass44-frag.c: New test. 662 6632004-01-12 Frank Ch. Eigler <fche@redhat.com> 664 665 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests. 666 6672004-01-08 Frank Ch. Eigler <fche@redhat.com> 668 669 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc. 670 6712003-12-11 Frank Ch. Eigler <fche@redhat.com> 672 673 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests. 674 6752003-12-08 Andrew Pinski <pinskia@physics.uc.edu> 676 677 PR libmudflap/12670 678 * configure.in: Add check for see if 679 socklen_t typedef is in sys/socket.h. 680 * mf-hooks1.c: Add define if socklen_t 681 is not typedef. 682 * mf-hooks2.c: Likewise. 683 * mf-hooks3.c: Likewise. 684 * config.h.in: Regen. 685 * configure: Regen. 686 6872003-12-08 Frank Ch. Eigler <fche@redhat.com> 688 689 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message. 690 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing 691 optimizations. 692 * testsuite/libmudflap.c/pass25-frag.c: Ditto. 693 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping 694 (unoptimized) allocation of stack space. 695 6962003-12-07 Richard Henderson <rth@redhat.com> 697 698 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11. 699 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline. 700 7012003-12-06 Andrew Pinski <apinski@apple.com> 702 703 partial PR libmudflap/12670 704 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE. 705 * mf-hooks2.c: Likewise. 706 * mf-hooks3.c: Likewise. 707 7082003-11-19 Frank Ch. Eigler <fche@redhat.com> 709 710 libstdc++/11696 711 * mf-runtime.h.in: Switch to #pragma redefine_extname for 712 symbols interposed at compile time. 713 * testsuite/libmudflap.c++/pass41-frag.cxx: New test. 714 715 libmudflap/12939 716 * mf-hooks2.c (semctl): Tolerate FreeBSD. 717 718 * configure.in: Reorganize check for <pthread.h>. 719 * configure: Regenerated. 720 7212003-11-04 David Edelsohn <edelsohn@gnu.org> 722 723 * mf-runtime.c (_ALL_SOURCE): Define for AIX. 724 (_LARGE_FILE_API): Define for AIX. 725 * mf-hooks[123]: Same. 726 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX. 727 7282003-10-21 David Edelsohn <edelsohn@gnu.org> 729 730 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX. 731 7322003-07-29 Frank Ch. Eigler <fche@redhat.com> 733 734 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> 735 736 * configure.in: Update check for union semun. 737 7382003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> 739 740 PR other/11673 741 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN. 742 7432003-07-29 Frank Ch. Eigler <fche@redhat.com> 744 745 PR other/11673 746 * configure.in: Add checks for 64-bit LFS functions, struct semun 747 definition, for BSD compatibility. 748 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE. 749 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls. 750 * mf-hooks3.c: Ditto. 751 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS 752 mmap flag. 753 * configure, config.h.in: Regenerated. 754 7552003-07-23 Frank Ch. Eigler <fche@redhat.com> 756 757 Multithreading fixes: 758 * mf-runtime.c (__mf_object): Store allocating/deallocating 759 thread id. 760 (options): Support new "-thread-stack" option. 761 Rename "-heur-argv-environ" option to "-heur-stdlib". 762 Disable "-lc-mask" and "-lc-shift" options. 763 (__mf_dynamic): Add function pointers for pthread_join/_exit. 764 (__assert_fail): New self-contained function for glibc. 765 * mf-hooks3.c: Essentially rewritten, particularly related to 766 use of __mf_pthread_info array. 767 (pthread_join, _exit): New hook functions. 768 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case. 769 * testsuite/libmudflap.cth/pass40-frag.c: New test. 770 771 Warning cleanups: 772 * mf-heuristics.c: Add type casts for tracing, sub calls. 773 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type. 774 Update all callers to declare explicit result holder. 775 (END_PROTECT): Removed. 776 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS. 777 7782003-07-15 Diego Novillo <dnovillo@redhat.com> 779 780 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers. 781 * testsuite/libmudflap.c/fail15-frag.c: Likewise. 782 * testsuite/libmudflap.c/fail13-frag.c: Likewise. 783 7842003-07-04 Frank Ch. Eigler <fche@redhat.com> 785 786 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ... 787 * mf-hooks: Removed. 788 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT): 789 Move these macros from old mf-hooks.c here. 790 * Makefile.am: Adapt to split-up hook sources for faster builds. 791 * Makefile.in: Regenerated. 792 793 * mf-heuristics.c: Remove #if-0 block. 794 795 * mf-impl.h (__mf_state): Reorganize declaration and implementation. 796 (__mf_starting_p): New state only for use while dlsym bootstrapping. 797 (CALL_REAL, __mf_init): Corresponding changes. 798 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update 799 all callers to remove redundant "mf:" prefix. 800 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth. 801 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value. 802 (__mf_pthread_info): Become a hash table. 803 804 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and 805 "dg-repetitions" directives to control test case execution. 806 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat 807 options. 808 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test. 809 8102003-06-25 Frank Ch. Eigler <fche@redhat.com> 811 812 * mf-hooks.c (alloca): Separate into stub. 813 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL 814 malloc/free for alloca blocks. 815 (pthread_create): Tolerate failing pthread_attr_get* calls. 816 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect. 817 * mf-impl.h (CALL_WRAP): Remove macro. 818 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>. 819 * testsuite/libmudflap.c/pass23-frag.c: Include more struct 820 padding for ia64 BIT_FIELD_REF constructs. 821 8222003-06-19 Frank Ch. Eigler <fche@redhat.com> 823 824 * mf-hooks.c (struct pthread_info): Add "thread_errno" field. 825 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS 826 libmudflap object type. 827 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid 828 crashes on unregistering STATIC objects. 829 8302003-06-17 Frank Ch. Eigler <fche@redhat.com> 831 832 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>: 833 * mf-hooks.c (__mf_pthread_spawner): Register thread errno. 834 (time, strerror, fopen, fopen64, fclose, fread): New hooks. 835 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks. 836 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks. 837 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks. 838 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks. 839 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks. 840 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks. 841 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks. 842 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks. 843 (accept, bind, connect, gethostname, sethostname): New hooks. 844 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks. 845 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks. 846 (semop, semctl, shmctl, shmat, shmdt): New hooks. 847 * mf-runtime.h.in: Corresponding changes. 848 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type. 849 (opts) Rename heur_argv_environ to heur_std_data. 850 (__mf_wrap_main): Use STATIC type for argv/environ strings. 851 * Makefile.am: Corresponding changes. 852 * Makefile.in: Regenerated. 853 8542003-06-11 Frank Ch. Eigler <fche@redhat.com> 855 856 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds 857 heuristic for threaded case, and for non-x86-linux targets. 858 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation 859 for use during pre-main() program startup. 860 (__mf_0fn_*): Make these functions non-static. 861 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook 862 functions. 863 * mf-runtime.c (__mf_state): Set initial state to "starting". 864 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol. 865 (__wrap_main): New function to register argv[] and environ[] strings. 866 (__mf_ini): Call it. 867 (*): In all trace functions, use "%p" as formatter for uintptr_t. 868 869 * testsuite/libmudflap.c/pass38-frag.c: New test case. 870 * testsuite/libmudflap.cth/pass37-frag.c: Improved test. 871 872 * acinclude.m4: Add comments with aoliva's concerns about x86_64 873 pass_all. 874 * aclocal.m4, configure: Regenerated. 875 8762003-06-04 Frank Ch. Eigler <fche@redhat.com> 877 878 * acinclude.m4: Correct typo in AC_MSG_CHECKING. 879 * aclocal.m4, configure: Regenerated. 880 8812003-06-03 Frank Ch. Eigler <fche@redhat.com> 882 883 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool 884 for x86_64 target. Disable caching for this value. 885 * aclocal.m4, configure: Regenerated. 886 8872003-06-02 Frank Ch. Eigler <fche@redhat.com> 888 889 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings 890 is about to become deprecated, and its present handling bugs are 891 unworthy of fixing. 892 8932003-05-30 Frank Ch. Eigler <fche@redhat.com> 894 895 * testsuite/libmudflap.c/pass38-frag.c: New test for 896 -fwritable-strings. 897 8982003-05-23 Frank Ch. Eigler <fche@redhat.com> 899 900 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of 901 __mf_report, asserting reentrant calling context. 902 9032003-05-23 Frank Ch. Eigler <fche@redhat.com> 904 905 * mf-hooks.c (realloc): Correct reentrancy logic. 906 * testsuite/libmudflap.c/hook-allocstuff.c: New test case. 907 9082003-05-20 Frank Ch. Eigler <fche@redhat.com> 909 910 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces 911 PTHREAD_THREADS_MAX. Update users. 912 * mf-runtime.c (__mf_usage): Print [active] instead of [default] 913 for active options. 914 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file 915 with libmudflapth presence indicator. 916 * testsuite/Makefile.in: Regenerated. 917 9182003-05-16 Frank Ch. Eigler <fche@redhat.com> 919 920 * Makefile.am (AM_CFLAGS): Remove "-ansi". 921 * configure.in: Remove silly no-pthreads => no-shared logic. 922 * Makefile.in, configure: Regenerated. 923 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks. 924 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy 925 code. Count reentrancy events. 926 (all hook functions): Don't directly manipulate __mf_state variable. 927 Add TRACE calls to hook functions without them. 928 * mf-impl.h (LOCKTH): Try to count lock contention events. 929 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks. 930 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT): 931 Reorganize reentrancy code. 932 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to 933 identify reentrancy with mutex holding times. 934 (internal __mfu_ entry points): Remove internal reentrancy code. 935 (__mf_init): Use ordinary locked calls. 936 (__mfu_report): Print the two new counts. 937 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages. 938 * testsuite/libmudfap.cth/cthfrags.exp: New test driver. 939 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test. 940 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap 941 option defaults. 942 9432003-05-09 Frank Ch. Eigler <fche@redhat.com> 944 945 * configure.in: Add pthread support, plus glibc and porting hacks. 946 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth 947 from objects built into ./pth/. 948 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked 949 functions for internal entry points. Update callers to pick 950 locked vs. unlocked variants. 951 (__mf_resolve_single_dynamic): Extend to support symbol versioning 952 info coming in from a static data structure. 953 (*): Reorder miscellaneous declarations to group data vs functions. 954 (__mf_set_default_options): Simplify. 955 (__mf_usage): Mention threading status of host executable. 956 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic 957 decls to match above. 958 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management. 959 * mf-heuristics.c: Choose between locked/unlocked calls. Add 960 some lock/unlock markers. Remove some unused code. 961 * mf-hooks: Ditto. 962 (pthread_create): New hook function. 963 (__mf_pthread_cleanup, _spawner): New helper functions. 964 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated. 965 9662003-05-02 Frank Ch. Eigler <fche@redhat.com> 967 968 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags. 969 9702002-04-28 Frank Ch. Eigler <fche@redhat.com> 971 972 * Makefile.am (HOOKOBJS): Add *time related hooks. 973 * configure.in: Look for pthreads.h header. 974 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers. 975 * mf-runtime.c: Begin sketching some pthreads support. 976 (__mf_usage): Check for -lpthread presence. 977 (__mf_unregister): Confirm matching unregistration base. 978 (__mf_find_objects_rec): Reduce unnecessary recursion. 979 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add 980 #defines for new hook functions. 981 * mf-impl.h: Corresponding changes. 982 * config.h.in, configure, Makefile.in: Regenerated. 983 9842002-04-27 Diego Novillo <dnovillo@redhat.com> 985 986 * testsuite/libmudflap.c/fail1-frag.c: Add volatile 987 modifiers to prevent being optimized away. 988 * testsuite/libmudflap.c/fail10-frag.c: Likewise. 989 * testsuite/libmudflap.c/fail13-frag.c: Likewise. 990 * testsuite/libmudflap.c/fail14-frag.c: Likewise. 991 * testsuite/libmudflap.c/fail15-frag.c: Likewise. 992 * testsuite/libmudflap.c/fail2-frag.c: Likewise. 993 * testsuite/libmudflap.c/fail20-frag.c: Likewise. 994 * testsuite/libmudflap.c/fail3-frag.c: Likewise. 995 9962003-04-15 Frank Ch. Eigler <fche@redhat.com> 997 998 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl. 999 * configure.in: Look for uintptr_t and -ldl on target. 1000 * mf-runtime.h.in: Adjust uintptr_t declaration logic. 1001 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated. 1002 * testsuite/Makefile.in: Regenerated. 1003 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls 1004 for better C compliance. 1005 10062003-04-15 Frank Ch. Eigler <fche@redhat.com> 1007 1008 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy 1009 prevention code. 1010 * mf-runtime.c (__mf_set_default_options): Turn off 1011 check-initialization. 1012 (__mf_describe_object): Shorten description. 1013 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization. 1014 10152003-04-07 Frank Ch. Eigler <fche@redhat.com> 1016 1017 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>. 1018 10192003-04-02 Frank Ch. Eigler <fche@redhat.com> 1020 1021 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant 1022 calls specially. 1023 (__mf_0fn_malloc ... _munmap): New dummy backup calls. 1024 * mf-impl.h (CALL_BACKUP): New macros. 1025 * mf-runtime.c (__mf_init): Tweak __mf_state during startup. 1026 10272003-03-31 Frank Ch. Eigler <fche@redhat.com> 1028 1029 * Makefile.am (AM_CFLAGS): Remove optimization flags. 1030 (HOOKOBJS): Remove dlopen hook. 1031 (libmudflap_la_LIBADD): Add -ldl. 1032 * mf-hooks.c (dlopen): Remove hook. 1033 * mf-impl.h (__mf_dynamic): Ditto. 1034 * mf-runtime.c (__mf_resolve_dynamics): Ditto. 1035 * Makefile.in: Regenerated. 1036 10372003-03-28 Frank Ch. Eigler <fche@redhat.com> 1038 1039 * configure.in: Check for target gettimeofday, signal, some headers. 1040 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment 1041 out inop multi_threaded field. 1042 * mf-runtime.c (options): Handle new "-sigusr1-report" option. 1043 (__mf_set_options): Correct handling of "-help". 1044 (__mf_sigusr1_respond): New function to manage SIGUSR1 response. 1045 (__mf_check, __mf_register, __mf_unregister): Call it. 1046 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY. 1047 (__mf_report_leaks): Make callable 1048 (__mf_tree_analyze): Traverse in-order. Accumulate address bit 1049 distribution statistics. 1050 (__mf_adapt_cache): Rewrite shift guessing logic based on address 1051 bit distributions. 1052 * config.h.in, configure: Regenerated. 1053 * testsuite/libmudflap.c/fail27-frag.c: New test. 1054 * testsuite/libmudflap.c/pass36-frag.c: New test. 1055 10562003-03-11 Frank Ch. Eigler <fche@redhat.com> 1057 1058 * mf-runtime.h.in: Tweak. 1059 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more. 1060 Don't use intermediate files nor AC_OUTPUT-time postprocessing. 1061 * Makefile.in, testsuite/Makefile.in, configure: Regenerated. 1062 10632003-03-10 Frank Ch. Eigler <fche@redhat.com> 1064 1065 * configure.in: Tweak generation of mf-runtime.h some more. It 1066 needs to work from both config.status and configure. 1067 * configure: Regenerated. 1068 10692003-03-10 Frank Ch. Eigler <fche@redhat.com> 1070 1071 * Makefile.am: Reorganize hook file building. Add auto dependencies. 1072 * configure.in: Tweak generation of mf-runtime.h. 1073 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I. 1074 * mf-hooks.c (*): Adapt to initialized-heap object type. 1075 * mf-impl.h: Tweak cemetary boundaries. 1076 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object 1077 type. 1078 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto. 1079 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto. 1080 * testsuite/lib/libmudflap.exp (includes): Include build tree. 1081 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization 1082 checking. 1083 * testsuite/.../fail{25,26}-frag.c: New tests. 1084 * testsuite/.../pass{32,33,34,35}-frag.c: New tests. 1085 * Makefile.in, configure: Regenerated. 1086 10872003-03-05 Frank Ch. Eigler <fche@redhat.com> 1088 1089 * mf-runtime.c (__mf_set_default_options): Turn on initialization 1090 checking by default. 1091 (__mf_insert_new_object): As a temporary hack, assume that new 1092 objects registered on the stack start out initialized. 1093 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize 1094 heap objects by hand. 1095 10962003-03-05 Frank Ch. Eigler <fche@redhat.com> 1097 1098 Switch to macro-style hooks for str*/mem*/b* functions. 1099 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out. 1100 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case. 1101 * mf-runtime.c: #include config.h to enable glibc backtraces again. 1102 (__mf_set_default_options): Turn off heur_proc_map. 1103 (*): Adapt to to macro-style hook functions. 1104 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds. 1105 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message. 1106 (__mf_violation): Handle __MF_VIOL_WATCH. 1107 * mf-impl.h (__MF_TYPE_*): Moved these internal values here. 1108 (__mf_dynamic): Removed mem*/str*/b* functions. 1109 (TRACE, VERBOSE_TRACE): Add reentrancy locking. 1110 (WRAPPER2): New macro for macro-style hooks. 1111 * mf-hooks.c: Convert mem*/str*/b* functions to simpler 1112 macro-style hooks. 1113 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering. 1114 * mf-heuristics.c: Adapt to macro-style hook functions. 1115 Correct some comments. 1116 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for 1117 output pattern tests. 1118 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test. 1119 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests. 1120 11212003-02-28 Frank Ch. Eigler <fche@redhat.com> 1122 1123 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests 1124 for global array registration. 1125 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto. 1126 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack. 1127 11282003-02-27 Frank Ch. Eigler <fche@redhat.com> 1129 1130 * Makefile.am: Add gross make bug workarounds. Tweaked 1131 SUBDIRS and AM_CFLAGS. 1132 * Makefile.in: Regenerated. 1133 11342003-02-26 Frank Ch. Eigler <fche@redhat.com> 1135 1136 Switch to dejagnu. 1137 * configure.in (AC_PROG_CXX): Don't look for C++ any more. 1138 * Makefile.am (TESTS): Remove simple automake testing. 1139 * configure, Makefile.in: Regenerated. 1140 (SUBDIRS): Include new testsuite/ directory. 1141 * tests/*: Removed all files; moved bulk under: 1142 * testsuite/*: New subdirectory tree. 1143 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver. 1144 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver. 1145 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++. 1146 * testsuite/lib/mfdg.exp: New file, derived from dejagnu. 1147 * testsuite/config/default.exp: New file. 1148 * testsuite/Makefile.am, Makefile.in: New files. 1149 11502003-01-29 Frank Ch. Eigler <fche@redhat.com> 1151 1152 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check". 1153 (TESTS): Add fail22 and pass29 tests. 1154 * mf-runtime.h.in: Change API to take void*/size_t region parameters. 1155 Add new access-type parameter for __mf_check. Move __MF_VIOL* out. 1156 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void* 1157 values. Move __MF_VIOL* here. 1158 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h. 1159 (check_initialization): New field in __mf_opts. Default off. 1160 (read_count,write_count): New fields in __mf_object. 1161 (__mf_check): Implement basic initialization checking. 1162 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized. 1163 (__mf_describe_object): Print new fields. 1164 (__mf_violation): Identify check/read vs. check/write in messages. 1165 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new 1166 "-check-initialized" mudflap option. 1167 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes. 1168 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter. 1169 Drop __FILE__/__LINE__ hack. Update callers. 1170 (*): Adapt to new mf-runtime.h API. 1171 * Makefile.in: regenerated. 1172 11732003-01-24 Frank Ch. Eigler <fche@redhat.com> 1174 1175 * configure.in: Build mf-runtime.h a more proper way. 1176 * mf-hooks.c (strdup, strndup): Correct reentrancy logic. 1177 * mf-runtime.c (verbose_violations): Turn on by default. 1178 * mf-runtime.h.in: Remove some miscellaneous stuff ... 1179 * mf-impl.h: ... and move it here. 1180 * configure: Regenerated. 1181 11822003-01-22 Frank Ch. Eigler <fche@redhat.com> 1183 1184 * configure.in: Look for C++ compiler. 1185 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and 1186 fixed type warnings when built with C++. 1187 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests. 1188 * Makefile.am (TESTS): Run them. 1189 (*) Add new rules for building and running C++ tests. 1190 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues. 1191 * mf-runtime.h.in: Protect with extern "C". 1192 * Makefile, configure: Regenerated. 1193 11942003-01-06 Frank Ch. Eigler <fche@redhat.com> 1195 1196 Portability improvements. 1197 * configure.in: Look for glibc backtrace headers/functions. 1198 * mf-hooks.c: Don't include <execinfo.h> any more. 1199 * mf-runtime.c (__mf_set_options): Call more stdlib functions 1200 via CALL_REAL. 1201 (__mf_backtrace): Provide alternate baby implementation in 1202 absence of glibc. 1203 * test/mf-driver.c: Portability tweaks. 1204 * acinclude.m4: New file, containing top level libtool.m4. 1205 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated. 1206 12072002-12-19 Frank Ch. Eigler <fche@redhat.com> 1208 1209 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally. 1210 12112002-11-08 Frank Ch. Eigler <fche@redhat.com> 1212 1213 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack" 1214 options. 1215 (__mf_unregister): Implement stack/heap object wiping. 1216 (__mf_set_options): Renamed from __mf_process_opts. 1217 (__mf_uncache_object): Change arg type, correct callers. 1218 * mf-impl.h: Corresponding changes. 1219 * mf-hooks.c (realloc): Save/restore heap-wiping flag. 1220 * mf-runtime.h.in (__mf_set_options): Extend public API. 1221 * test/pass26-frag.c: New test for stack wiping. 1222 * Makefile.am (TESTS): Run it. 1223 * Makefile.in: Regenerated. 1224 12252002-11-07 Frank Ch. Eigler <fche@redhat.com> 1226 1227 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API. 1228 * mf-runtime.c (__mf_object_t): Add watching_p field. 1229 (__mf_watch_or_not): New function to implement 1230 object watch flagging. 1231 (__mf_watch, __mf_unwatch): New wrappers for above. 1232 (__mf_check, __mf_describe_object): Handle objects with watching_p. 1233 (__mf_count_violation): Enlarge array. 1234 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't 1235 unlink object. Clear cache properly. 1236 (__mf_unregister): Unlink object explicitly before uncaching. 1237 * test/fail21-frag.c, pass25-frag.c: New tests. 1238 * Makefile.in, aclocal.m4: Regenerated. 1239 12402002-11-05 Frank Ch. Eigler <fche@redhat.com> 1241 1242 * test/fail20-frag.c: New test for NULL pointer dereferencing. 1243 * Makefile.am (TESTS): Add it. 1244 * test/pass-stratcliff.c: Add decls of stpcpy. 1245 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in 1246 build tree from config.h and new file mf-runtime.h.in. 1247 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl. 1248 * Makefile.in, configure, config.h.in: Regenerated. 1249 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros. 1250 * mf-runtime.c (options, __mf_set_default_options): Support new 1251 default "abbreviate" option. 1252 (__mf_object.description_epoch): New field. 1253 (__mf_describe_object): Conditionally abbreviate objects already 1254 displayed in current epoch. Accept NULL input to increment epoch. 1255 (__mf_fini, __mf_ini): Reset description epoch. 1256 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure 1257 that NULL pointer slot in lookup cache is invalidated. Register a 1258 NOACCESS region around NULL. 1259 * mf-impl.h: Corresponding changes. 1260 12612002-10-16 Frank Ch. Eigler <fche@redhat.com> 1262 1263 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests. 1264 * Makefile.am: Run them. Install mf-runtime.h. 1265 * Makefile.in: Regenerated. 1266 * mf-hooks.c: Add some markers for more missing functions. 1267 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based 1268 statistic to tune tune cache size (mask). 1269 12702002-10-01 Frank Ch. Eigler <fche@redhat.com> 1271 1272 * test/pass23-frag.c: New test for bit_field_ref expressions. 1273 * Makefile.am, Makefile.in: Add new test. 1274 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages. 1275 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations. 1276 * mf-runtime.c (__mf_init): Register errno global. 1277 (__mf_find_object): Removed function. 1278 (__mf_check): Rewrite logic to support accesses across some 1279 contiguous but distinctly registered objects. 1280 (__mf_remove_old_object): Tolerate cache entries that span 1281 contiguous objects. 1282 12832002-09-30 Frank Ch. Eigler <fche@redhat.com> 1284 1285 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields. 1286 * Makefile.am, Makefile.in: Run new tests. 1287 * mf-hooks.c (alloca): Correct stack direction logic. 1288 12892002-09-26 Frank Ch. Eigler <fche@redhat.com> 1290 1291 * mf-impl.h (adapt_cache): New option. 1292 * mf-runtime.c (__mf_set_default_options): Set its default value. 1293 Tweak the tree_aging parameter down. 1294 (__mf_check): Maintain separate counter for cache-adaptation. 1295 (__mf_tree_analyze): New function to collect object tree stats. 1296 (__mf_adapt_cache): New function to automate cache parameters. 1297 12982002-09-24 Frank Ch. Eigler <fche@redhat.com> 1299 1300 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add 1301 hypothetical #if-0'd argv/envp region registration. 1302 * mf-runtime.c (__mf_init): Add kludged form of above. 1303 (*) Add "heur_argv_environ" flag, default on, to govern this. 1304 * mf-impl.h: Corresponding changes. 1305 13062002-09-20 Frank Ch. Eigler <fche@redhat.com> 1307 1308 * test/fail18-frag.c: New test file for NOACCESS regions. 1309 * Makefile.am (TESTS): Add new test. 1310 * Makefile.in: Regenerated. 1311 1312 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic. 1313 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000. 1314 (optimize_object_tree): Remove unused mudflap_option. 1315 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing 1316 support throughout. Use .._MAX_CEM for cemetary upper bound. 1317 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS 1318 regions. 1319 (__mf_object): Add new liveness field for use by tree aging. 1320 (__mf_check): Trigger tree aging when needed. 1321 (__mf_age_tree): New function to decay liveness field. 1322 (__mf_find_objects_rec): Use liveness field to rotate tree. 1323 (__mf_insert_new_object): Only provide backtrace for HEAP objects. 1324 (__mf_unregister): Ditto. 1325 (__mf_register): Tweak duplicate-static message. 1326 (__mf_violation: Tweak nearby-object counter printing. 1327 13282002-09-16 Frank Ch. Eigler <fche@redhat.com> 1329 1330 * test/pass20-frag.c: New test file. 1331 * Makefile.am (TESTS): Reorganize. Add pass20 test. 1332 * Makefile.in: Regenerated. 1333 1334 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers. 1335 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here. 1336 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map 1337 entries to avoid repeat registration. 1338 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions. 1339 (__mf_register, __mf_unregister): Rewrite GUESS handling logic. 1340 13412002-09-09 Frank Ch. Eigler <fche@redhat.com> 1342 1343 * Makefile.am: Create test sources with #include, not cat>>. 1344 * Makefile.in: Regenerated. 1345 * test/buildtest.sh: Removed. 1346 * test/driver.c (abort_handler, main): Be quiet. 1347 13482002-09-06 Frank Ch. Eigler <fche@redhat.com> 1349 1350 * test/pass18-frag.c, pass19-frag.c: New tests. 1351 * Makefile.am (check): Run them. Rebuild test programs each time. 1352 * Makefile.in: Regenerated. 1353 13542002-09-06 Frank Ch. Eigler <fche@redhat.com> 1355 1356 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in 1357 overlapping object search. 1358 (__mf_violation): Likewise for nearby objects. 1359 Improve nearby-object listing. 1360 1361 cleanup: 1362 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks. 1363 * mf-heuristics.c (__mf_heuristic_check): Tweak message. 1364 13652002-09-03 Frank Ch. Eigler <fche@redhat.com> 1366 1367 alloca support: 1368 * Makefile.am (AM_CFLAGS): New definition of needed settings. 1369 (HOOKOBJS): Add alloca-hook.o. 1370 * mf-hooks.c (alloca): New function to implement alloca in libiberty 1371 style. 1372 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks. 1373 (__mf_backtrace): Reimplement without using alloca. 1374 * Makefile.in: Regenerated. 1375 1376 cleanup: 1377 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr). 1378 Correct signedness bugs in length-tracking variables. 1379 * mf-impl.h: Make options unsigned. 1380 (CALL_WRAP): New macro to parallel CALL_REAL(). 1381 (DECLARE): Remove erroneous ";" at end. 1382 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p 1383 formatting specs with %08lx. Correct several compiler warnings. 1384 13852002-08-28 Frank Ch. Eigler <fche@redhat.com> 1386 1387 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects. 1388 13892002-08-27 Frank Ch. Eigler <fche@redhat.com> 1390 1391 libmudflap hook breakup: 1392 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH 1393 for libgcc_s. 1394 (TESTS): Make dependent on libmudflap. 1395 (HOOKOBJS): Break up mf-hooks.o into many little hook objects, 1396 compiled from segments of mf-hooks.c. 1397 * mf-hooks.c: Corresponding changes: wrap each function in 1398 #ifdef/#endif. 1399 * Makefile.in: Regenerated. 1400 1401 Heuristics reorganization: 1402 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics): 1403 Remove these functions. Update callers. 1404 (__mf_heuristic_check): Incorporate all the various heuristics. 1405 Encode cacheability/retry judgement into trinary return value. 1406 Separate start-end logic into a separate fallback heuristic. Only 1407 register relevant /proc/self/map segments. 1408 * mf-impl.h: Corresponding changes. 1409 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic. 1410 (__mf_init): Don't call __mf_init_heuristics. 1411 1412 Tracing cleanup: 1413 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION 1414 "-verbose-trace" to emit all tracing messages other than those of 1415 basic public api. Eliminate some duplicate/excessive messages. 1416 * mf-runtime.h: Corresponding changes. 1417 14182002-08-27 Graydon Hoare <graydon@redhat.com> 1419 1420 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap 1421 and __real when compiled with -DPIC. 1422 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly. 1423 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests. 1424 * Makefile.in: Regenerate. 1425 14262002-08-26 Graydon Hoare <graydon@redhat.com> 1427 1428 * mf-impl.h: New file, private implementation header. 1429 * mf-runtime.h: Reorganize a bit. 1430 (CLAMPSZ): Fix arithmetic. 1431 (__MF_CACHE_MISS_P): Fix arithmetic. 1432 * mf-runtime.c: Reorganize a bit. 1433 (__mf_dynamic): New structure. 1434 (resolve_single_dynamic): New function. 1435 (__mf_resolve_dynamics): New function. 1436 (__mf_init): Initialize dynamic wrappers. 1437 * mf-hooks.c: Macro-ize __real calls. 1438 Clamp various bits of arithmetic. 1439 Add explicit __mf_check call contexts. 1440 * Makefile.am: Add dependencies on mf-impl.h 1441 * Makefile.in: Regenerate. 1442 * configure.in: Comment out shared override. 1443 * configure: Regenerate. 1444 14452002-08-22 Graydon Hoare <graydon@redhat.com> 1446 1447 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length. 1448 (__mf_check): Re-inialize and check heuristics before violation. 1449 (__mf_register): Permit updating pure-guess regions. 1450 * mf-hooks.c (__wrap_free): Correct some free queue logic. 1451 (__wrap_dlopen): New wrapper function. 1452 (__wrap_mmap): New wrapper function. 1453 (__wrap_munmap): New wrapper function. 1454 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions 1455 which are not stack addresses. 1456 (is_stack_address): New function. 1457 (__mf_init_heuristics): Save and restore state, always initialize with 1458 "starting" state. 1459 14602002-08-21 Frank Ch. Eigler <fche@redhat.com> 1461 1462 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one 1463 error. Pass location string. 1464 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings. 1465 * mf-runtime.c (options): Add lc-mask, lc-shift options. 1466 (__mf_process_opts): Apply some sanity checking for lc-mask. 1467 (__mf_check, __mf_violation): Take new location-string argument. 1468 Update callers to pass NULL if necessary. 1469 (__mf_backtrace): New smart backtracer function. Calls replace 1470 several ad-hoc blocks elsewhere. 1471 (__mf_describe_object): Remove bad reentrancy test. Improve 1472 tracing message. 1473 * mf-runtime.h: Corresponding changes. Public/private markup. 1474 (__MF_CACHE_MISS_P): New macro. 1475 14762002-08-20 Graydon Hoare <graydon@redhat.com> 1477 1478 * mf-runtime.h: New option: stack_bound (heuristic). 1479 Move some macros out of implementation files. 1480 * mf-runtime.c: New option string: -stack-bound. 1481 Unify recursion protection with hooks. 1482 Add more logging. 1483 (__mf_check): Call __mf_heuristic_check. 1484 (__mf_process_opts): Fix "no-" processing. 1485 * mf-heuristics.c (__mf_heuristic_check): New function. 1486 * mf-hooks.c: Much off-by-one fixing, recursion protection. 1487 14882002-08-20 Frank Ch. Eigler <fche@redhat.com> 1489 1490 Option parsing improvements, region splitting bug fixes: 1491 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts. 1492 * mf-runtime.h (heur_proc_map): New libmudflap option. 1493 * mf-runtime.c (__mf_set_default_options): Set it. 1494 (__mf_usage): Print default values/status. 1495 (__mf_process_opts): Support general "no-" option string prefix. 1496 (__mf_init): Print __mf_usage on unknown-option error. 1497 (__mf_register): Print trace message up front. 1498 Correct region splitting logic for case where a subregion disappears. 1499 Correct memory leak. 1500 (__mf_violation): Make even basic message conditional on option. 1501 1502 Build cleanup: 1503 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map. 1504 (clean-local): New target. 1505 (test/*x rules): Add -g CFLAGS. 1506 (CFLAGS): Add -freorder-blocks. 1507 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings. 1508 * Makefile.in: Regenerated. 1509 * Makefile, mf-config.h: Removed files. 1510 15112002-08-16 Graydon Hoare <graydon@redhat.com> 1512 1513 * mf-runtime.c (__mf_insert_new_object): Factor out of 1514 __mf_register. 1515 (__mf_remove_old_object): Factor out of __mf_unregister. 1516 (__mf_register): Handle guessed regions, splitting 1517 guesses when new registrations arrive. 1518 (__mf_unregister): Do not unregister guesses. 1519 * mf-runtime.h: Move convenience macros around, 1520 declare new option fields. Add __MF_TYPE_GUESS. 1521 * mf-hooks.c (__wrap_*alloc): Use crumple zones. 1522 (__wrap_free): Call __real_free for deferred frees. 1523 * Makefile.am: Add more tests, fix dependency. 1524 * Makefile.in: Regenerate. 1525 * test/pass[13..17]-frag.c: New testcases. 1526 * test/fail[13..17]-frag.c: New testcases. 1527 15282002-08-15 Graydon Hoare <graydon@redhat.com> 1529 1530 * mf-heuristics.c: New file. 1531 * mf-runtime.c (options): Add -trace-calls option. 1532 (__mf_init): Call __mf_init_heuristics. 1533 15342002-08-14 Graydon Hoare <graydon@redhat.com> 1535 1536 * Makefile.am (TESTS): Add testsuite support. 1537 * Makefile.in: Regenerate. 1538 * test/mf-driver.c: New file. 1539 * test/buildtest.sh: New file. 1540 * test/passNN-frag.c: New testcases. 1541 * test/failNN-frag.c: New testcases. 1542 15432002-08-14 Graydon Hoare <graydon@redhat.com> 1544 1545 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when 1546 verifying non-size-limited string extents. 1547 15482002-08-14 Frank Ch. Eigler <fche@redhat.com> 1549 1550 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len 1551 instead of plain str[n]len for internal checks. 1552 * mf-runtime.c (__mf_violation): Print optional stack traceback. 1553 15542002-08-14 Frank Ch. Eigler <fche@redhat.com> 1555 1556 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped. 1557 15582002-08-13 Graydon Hoare <graydon@redhat.com> 1559 1560 * mf-runtime.c: Rework configuration to operate on 1561 environment variable options rather than #defines 1562 (__mf_violation): Add simple fork-a-gdb violaiton mode. 1563 (__mf_init): Set static __mf_active_p flag on startup, 1564 to inhibit mudflap wrap-based checking during crt0.s. 1565 * mf-runtime.h: Declare options structure. 1566 * mf-hooks.c: New wrappings for mem*, b*, str* 1567 libc functions (temporarily #if 0-ed out). 1568 15692002-08-12 Frank Ch. Eigler <fche@redhat.com> 1570 1571 * Makefile.am, configure.in: New files. 1572 * Makefile.in, Makefile, configure, config.h.in: New generated files. 1573 * stamp-h.in, aclocal.m4: Ditto. 1574 15752002-08-08 Frank Ch. Eigler <fche@redhat.com> 1576 1577 * Makefile: New file. 1578 * mf-config.h: New file: runtime configuration. 1579 * mf-hooks.c: New file: interposed libc functions. 1580 * mf-runtime.c: New file: bulk of runtime. 1581 * mf-runtime.h: New file: public functions. 1582