gprof/ChangeLog

   1 Fri Aug 30 12:16:11 1996  Ian Lance Taylor  <ian@cygnus.com>
   2
   3         * gmon.h: Replace #elif with #else/#endif.
   4
   5 Thu Aug 29 17:04:10 1996  Michael Meissner  <meissner@tiktok.cygnus.com>
   6
   7         * configure.in (i[345]86-*-*): Recognize i686 for pentium pro.
   8         * configure: Regenerate.
   9
  10 Thu Aug 22 17:12:30 1996  Ian Lance Taylor  <ian@cygnus.com>
  11
  12         * configure.in: Set and substitute HLDENV.
  13         * configure: Rebuild.
  14         * Makefile.in (HLDENV): New variable.
  15         (gprof): Use $(HLDENV).
  16
  17 Wed Aug  7 14:43:51 1996  Philippe De Muyter  <phdm@info.ucl.ac.be>
  18
  19         * core.c (read_function_mappings): Cast xmalloc return.
  20
  21 Thu Jul  4 12:01:42 1996  Ian Lance Taylor  <ian@cygnus.com>
  22
  23         * gprof.c (VERSION): Define as "2.7.1".
  24
  25         * Released binutils 2.7.
  26
  27         * bb_exit_func.c: Rename from __bb_exit_func.c, so that it can be
  28         stored on a System V file system.
  29
  30 Thu Jun 27 11:36:22 1996  Ian Lance Taylor  <ian@cygnus.com>
  31
  32         * configure.in: Call AC_ISC_POSIX.
  33         * configure: Rebuild.
  34         * Makefile.in (gprof): Pass $(CFLAGS) during link.
  35         * hertz.c: Don't include <sys/time.h>; let sysdep.h handle that.
  36         If HAVE_SETITIMER is not defined, try using sysconf.
  37
  38 Mon Jun 24 18:27:28 1996  Jason Molenda  (crash@godzilla.cygnus.co.jp)
  39
  40         * Makefile.in (exec_prefix, bindir, libdir, mandir, infodir, datadir,
  41         INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
  42         * configure.in (AC_PREREQ): autoconf 2.5 or higher.
  43         (AC_PROG_INSTALL): added.
  44         * configure: Rebuilt.
  45
  46 Mon Jun 24 12:03:09 1996  Ian Lance Taylor  <ian@cygnus.com>
  47
  48         * configure.in: On alpha*-*-osf*, link against libbfd.a if not
  49         using shared libraries.
  50         * configure: Rebuild with autoconf 2.10.
  51
  52 Tue Jun 18 17:35:58 1996  Ian Lance Taylor  <ian@cygnus.com>
  53
  54         * core.c (core_create_line_syms): Use xstrdup rather than strdup.
  55         * source.c (source_file_lookup_path): Likewise.
  56
  57 Mon Apr  8 14:44:33 1996  Ian Lance Taylor  <ian@cygnus.com>
  58
  59         * configure.in: Permit --enable-shared to specify a list of
  60         directories.
  61         * configure: Rebuild.
  62
  63 Thu Mar 21 17:18:25 1996  Ian Lance Taylor  <ian@cygnus.com>
  64
  65         * core.c (core_create_function_syms): Move filename and func_name
  66         inside ifdef where they are used.
  67
  68         * core.c (core_sym_class): Parenthesize && within ||.
  69         * symtab.c (symtab_finalize): Correct parenthesization.
  70
  71         * cg_print.h (cg_print_file_ordering): Declare.
  72         (cg_print_function_ordering): Declare.
  73
  74         * __bb_exit_func.c (__bb_exit_func): Replace bcopy with memcpy.
  75         * cg_arcs.c (arc_add): Likewise.
  76         * cg_print.c (cg_print_function_ordering): Likewise.
  77
  78 Thu Mar 21 17:02:02 1996  David Mosberger-Tang  <davidm@azstarnet.com>
  79
  80         * gprof.c (default_excluded_list): Add "__mcount".
  81
  82         * gprof.c (main): Change ifdef __osf__ to __alpha__.
  83
  84         * gmon_io.c (gmon_out_read): If BSD44_FORMAT is defined, get the
  85         profiling rate from the header.
  86
  87         * gmon.h (struct raw_phdr): Only include pad if both __alpha__ and
  88         __osf__ are defined.  Add new fields if BSD44_FORMAT is defined.
  89
  90         * alpha.h (MIN_INSN_SIZE): Define.
  91         * core.c (MIN_INSN_SIZE): If not defined, define as 1.
  92         (core_sym_class): Ignore debugging symbols.
  93         (core_create_line_syms): Use MIN_INSN_SIZE when gathering line
  94         information.
  95
  96 Wed Mar 20 18:15:47 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
  97
  98         * cg_print.c (cg_print_function_ordering): Fix __GNUC__ misspelled
  99         as __GNU_C__.
 100         (order_and_dump_functions_by_arcs): Likewise.
 101
 102 Tue Mar 12 12:19:50 1996  Ian Lance Taylor  <ian@cygnus.com>
 103
 104         * configure: Rebuild with autoconf 2.8.
 105
 106 Sun Feb 18 15:06:18 1996  Ian Lance Taylor  <ian@cygnus.com>
 107
 108         * configure.in: Check for 'do not mix' from native linker before
 109         trying to use -rpath.
 110         * configure: Rebuild.
 111
 112 Tue Feb 13 15:32:53 1996  Ian Lance Taylor  <ian@cygnus.com>
 113
 114         * configure.in: Set HDLFLAGS for *-*-hpux with --enable-shared.
 115         * configure: Rebuild.
 116
 117 Wed Feb  7 14:03:17 1996  Ian Lance Taylor  <ian@cygnus.com>
 118
 119         * configure.in: Don't set CC.  Look for --enable-shared.  Set
 120         BFDLIB and HLDFLAGS and substitute them.
 121         * configure: Rebuild.
 122         * Makefile.in (LIBS): Use @BFDLIB@.
 123         (HLDFLAGS): New variable.
 124         (gprof): Use $(HLDFLAGS).
 125
 126 Mon Feb  5 16:34:44 1996  Ian Lance Taylor  <ian@cygnus.com>
 127
 128         Support for building bfd and opcodes as shared libraries, based on
 129         patches from Alan Modra <alan@spri.levels.unisa.edu.au>:
 130         * Makefile.in (LIBDEPS): New variable.
 131         (LIBS): Use -L../bfd -lbfd.
 132         (gprof): Depend upon $(LIBDEPS) rather than $(LIBS).
 133
 134 Sat Dec 30 10:11:03 1995  Jeffrey A Law  (law@cygnus.com)
 135
 136         * gprof.c (long_options): Add "--function-ordering" and
 137         "--file-ordering" options.
 138         (usage): Add new options to usage message.
 139         (main): Handle new options.
 140         * gprof.h (STYLE_FUNCTION_ORDER): Define.
 141         (STYLE_FILE_ORDER): Define.
 142         (function_mapping_file): Declare.
 143         * cg_arcs.c (arcs, numarcs): New globals.
 144         (arc_add): Put new arcs into the arc array so the function/file
 145         ordering code can examine them.
 146         * cg_arcs.h (struct arc): New field "has_been_placed".
 147         (arcs, numarcs): Declare new globals.
 148         * core.c (symbol_map, symbol_map_count): New globals.
 149         (read_function_mappings): New function to read in a function
 150         to object map file.
 151         (core_init): Call read_function_mappings if a function mapping
 152         file exists.
 153         (core_create_function_syms): Handle function to object file
 154         mappings.
 155         * symtab.h (struct sym): New fields "mapped", "has_been_placed",
 156         "nuses", "prev".
 157         * cg_print.c (cmp_arc_count): New function for sorting arcs.
 158         (cmp_fun_nuses): Likewise for functions.
 159         (cg_print_function_ordering): New function to print a suggested
 160         function ordering.
 161         (cg_print_file_ordering): Likewise for ordering .o files.
 162         (order_and_dump_functions_by_arcs): Helper function for function
 163         and object file ordering code.
 164
 165 Sun Dec 24 21:32:27 1995  Jeffrey A Law  (law@cygnus.com)
 166
 167         * core.c (core_sym_class): Ignore symbols without BSF_FUNCTION
 168         set if ignore_non_function is set.
 169         * gprof.h (ignore_non_functions): Declare.
 170         * gprof.c (ignore_non_functions): Define.
 171         (long_options): Add "ignore-non-functions".
 172         (usage): Add new options.
 173         (main): Recognize "-D" and "--ignore-non-functions" option.
 174
 175 Tue Nov 21 13:24:39 1995  Ken Raeburn  <raeburn@cygnus.com>
 176
 177         * Makefile.in (.m.c): Strip out directory name from function
 178         name.
 179
 180         * hist.c (scale_and_align_entries): Don't use DEFUN_VOID.  Do
 181         UNITS_TO_CODE adjustment unconditionally; compiler can optimize
 182         away zero-offset case.  Refer to scaled_addr, not aligned_addr.
 183
 184         * vax.c: Don't include vax.h here.
 185
 186 Thu Nov 16 03:41:37 1995  Ken Raeburn  <raeburn@cygnus.com>
 187
 188         Version 2.6 released.
 189
 190 Wed Nov  8 11:40:04 1995  Ian Lance Taylor  <ian@cygnus.com>
 191
 192         * gprof.c (main): Cast getenv return value.
 193
 194 Mon Nov  6 15:05:00 1995  Ken Raeburn  <raeburn@cygnus.com>
 195
 196         * Makefile.in (TAGS): New target.
 197
 198 Wed Nov  1 12:51:21 1995  Per Bothner  <bothner@kalessin.cygnus.com>
 199
 200         * Makefile.in (DISTSTUFF):  Rename to GEN_FILES, to avoid confusion.
 201         (all):  Depend on $(GEN_FILES), not diststuff (which also depends
 202         on info).
 203
 204 Wed Nov  1 15:23:15 1995  Manfred Hollstein KS/EF4A 60/1F/110 #40283  <manfred@lts.sel.alcatel.de>
 205
 206         * sym_ids.c: Include <ctype.h>.
 207
 208 Wed Oct 25 13:24:31 1995  Per Bothner  <bothner@kalessin.cygnus.com>
 209
 210         * Makefile.in (diststuff):  Also make info.
 211         (mostlyclean):  Don't remove gprof.info*.
 212         (maintainer-clean realclean):  Also remove *.info*.
 213
 214 Fri Oct  6 16:25:32 1995  Ken Raeburn  <raeburn@cygnus.com>
 215
 216         Mon Sep 25 22:49:32 1995  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 217
 218         * Makefile.in: Add dependecies for $(OBJS) on header files.
 219
 220         * cg_print.c (print_cycle, print_members, cg_print_index): Fix new
 221         style output format to make it consistent.
 222         * dummy.c (find_call): Fix typo in error message.
 223
 224 Wed Sep 20 13:21:02 1995  Ian Lance Taylor  <ian@cygnus.com>
 225
 226         * Makefile.in (maintainer-clean): New target, synonym for
 227         realclean.
 228
 229 Fri Sep  8 14:38:08 1995  Ian Lance Taylor  <ian@cygnus.com>
 230
 231         * Makefile.in (install): Don't install in $(tooldir).
 232
 233 Fri Aug 25 15:30:05 1995  Ken Raeburn  <raeburn@cygnus.com>
 234
 235         NS32K changes from Ian Dall:
 236         * configure.in: Use ns32k, not ns532.
 237         * ns532.c: Include symtab.h.
 238         (find_call): Renamed from findcall.  Print a message.
 239         * ns532.h: Remove dummy.h comments.
 240
 241 Tue Aug 22 10:00:45 1995  Jeffrey A. Law  <law@rtl.cygnus.com>
 242
 243         * Makefile.in (install): Remove "brokensed" hack, unnecessary now
 244         that we're using autoconf.
 245
 246 Wed Jul 19 18:46:13 1995  Fred Fish  <fnf@cygnus.com>
 247
 248         * core.c (get_src_info): Cast arg 7 of bfd_find_nearest_line
 249         to proper type of "unsigned int *".
 250
 251 Fri Jun 16 15:29:36 1995  Ken Raeburn  <raeburn@cujo.cygnus.com>
 252
 253         * configure.in: Use changequote around use of [].
 254
 255 Mon Jun 12 12:14:52 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
 256
 257         * Makefile.in (distclean, realclean): Remove config.cache and
 258           config.log.
 259
 260 Wed May 17 17:56:53 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
 261
 262         * Makefile.in (Makefile): Added config.status to dependency list.
 263           (config.status): New target.
 264           (SHELL): New definition.
 265
 266 Tue Apr 25 21:11:12 1995  Ken Raeburn  <raeburn@cujo.cygnus.com>
 267
 268         * Makefile.in (install): Depend on "all".
 269
 270 Thu Apr 20 17:29:07 1995  Ken Raeburn  <raeburn@cujo.cygnus.com>
 271
 272         * Makefile.in: Change all references to MY_MACHINE to MY_TARGET,
 273         to match configure script.
 274
 275 Wed Apr 19 11:19:37 1995  J.T. Conklin  <jtc@rtl.cygnus.com>
 276
 277         * gen-c-prog.awk: Changed reference to "make-c-prog.awk" in
 278           comment emitted by this script to gen-c-prog.awk.
 279
 280         * Makefile.in, configure.in: Converted to use autoconf.
 281         * configure: New file, generated with autoconf 2.3.
 282         * config/{mt-alpha, mt-dummy, mt-i386, mt-ns532, mt-sparc,
 283           mt-tahoe, mt-vax}: Removed.
 284
 285 Mon Mar 13 21:44:24 1995  Ken Raeburn  <raeburn@cujo.cygnus.com>
 286
 287         * __bb_exit_func.c: New file, from David Mosberger-Tang.
 288
 289         Thu Feb  9 16:56:07 1995  David Mosberger-Tang  <davidm@piston.cs.arizona.edu>
 290
 291         * All *.c: More cleanup towards GNU format.
 292
 293         * gmon_out.h (struct gmon_hist_hdr, struct gmon_cg_arc_record):
 294         replaced sizeof (bfd_vma) by size (char*) because Ken tells me
 295         that bfd_vma is only guaranteed to be at least as big as a pointer.
 296
 297         (GMON_Record_tag): added explicit enumeration values to ensure
 298         compatibility across compilers.
 299
 300         * gmon_io.c (get_vma, put_vma): replaced sizeof(bfd_vma) by
 301         sizeof(char*).
 302
 303 Tue Feb  7 17:24:12 1995  Ken Raeburn  <raeburn@cujo.cygnus.com>
 304
 305         * All *.c and *.h files: Ran "indent -gnu".  Cleaned up a couple
 306         of constructs GNU indent couldn't handle.  Block comments not yet
 307         rewritten in GNU format.
 308
 309         * gprof.c (VERSION): Changed to 2.6, to get in sync for next
 310         binutils release.
 311
 312 Sun Feb  5 16:19:46 1995  David Mosberger-Tang  <davidm@piston.cs.arizona.edu>
 313
 314         * symtab.c (symtab_finalize): ensure globals symbols really
 315         are favored over static ones---even if their name looks less
 316         preferable; this is important for HP-UX; for example, there
 317         is a static label Ltext_something that aliases the global
 318         symbol _start
 319
 320         * hist.c (hist_print): auto-scaling is now in effect for FSF-style
 321         output only; also, auto-scaling is now performed based on
 322         per-call, rather than total execution time, which is what it was
 323         meant to be.
 324
 325         * gprof.h (File_Format): new type.
 326
 327         * gprof.c (VERSION): upped to 2.7---seems to be completely out of
 328         sync with Cygnus version numbers though...
 329
 330         (long_options): renamed --gmon-info to --file-info, --width added,
 331         renamed --old-file-format to --file-format
 332         (main): dito; also added support to read prof files, but as
 333         mon_out_read() is not implemented, it's #ifdef'd out for now
 334
 335         (usage): update to reflect new options.
 336
 337         * gmon_io.c: replaced "old_file_format" by more general
 338         "file_format" option
 339
 340         * gmon.h (struct raw_phdr): fixed declaration for OSF/1.
 341
 342         * core.c (core_sym_class): added back check for __gnu_compiled and
 343         ___gnu_compiled for the benefit of systems without
 344         bfd_find_nearest_line() support
 345
 346         (get_src_info): now the libbfd is fixed, invoke bfd_find_nearest_line()
 347         with section-relative addresses
 348
 349         (core_create_function_syms): get_src_info() calls are currently
 350         enabled for OSF/1 only.  It appears to work allright for SunOS
 351         4.1.x as well, but on SPARCs it gets painfully slow with the
 352         current implementation of aout_32_find_nearest_line();
 353         unfortunately, this means that static functions will not have their
 354         filename printed in the call-graph function index; line-level
 355         profiling should still work, but requires some patience
 356
 357         * cg_print.c (cg_print_index): sanitized printing of index when
 358         using FSF-style output; in particular, output width is now controlled
 359         via option --width and the function tries hard to keep columns
 360         aligned even in the presence of (occasional) long names
 361
 362         * NOTES: a first shot at updating the documentation.
 363
 364 Wed Feb  1 19:07:44 1995  David Mosberger-Tang  <davidm@piston.cs.arizona.edu>
 365
 366         * core.c (core_create_function_syms): fixed computation of min_vma
 367         and max_vma.
 368
 369         * *.c: removed rcsid.
 370
 371 Tue Jan 31 16:18:18 1995  Ken Raeburn  <raeburn@cujo.cygnus.com>
 372
 373         * Lots of changes from David Mosberger-Tang:
 374
 375         Tue Oct 25 19:20:14 1994  David Mosberger-Tang  <davidm@piston.cs.arizona.edu>
 376
 377         * gprof.c (main): put parentheses around & within &&.
 378
 379         * basic_blocks.c (bb_read_rec): print warning message (once) when
 380         ignoring basic-block execution counts.
 381
 382         * source.c (source_file_lookup_name): corrected second argument to
 383         strcmp().
 384
 385         * hist.c (print_header): merged Fri Oct 21 18:58:02 1994 change by
 386         Ken Raeburn <raeburn@cujo.cygnus.com> from binutils-2.5.1.
 387
 388         * gmon_io.c (gmon_out_read): the output stule STYLE_GMON_INFO is now
 389         supported both for old and new (versioned) gmon.out files.  Old
 390         files are identified as version 0.
 391
 392         * gmon.h (struct raw_arc): count field is now sizeof(long) bytes
 393         long (instead of 4) because that is what OSF/1 v3.0 uses.
 394
 395         * core.c: minor fixes and debugging info changes.
 396
 397         Sun Sep 11 18:47:47 1994  David Mosberger-Tang  (davidm@piston.cs.arizona.edu)
 398
 399         * core.c (core_init): if .text cannot be found, try $CODE$ (the
 400         name of the text-section under HP-UX).
 401
 402         * hist.c (hist_assign_samples): fixed off-by-one bug: highpc
 403         points one past the last sampling bin, so hist_scale should be
 404         computed as "hist_scale /= hist_num_bins", not "hist_scale /=
 405         hist_num_bins - 1".
 406
 407         * gmon_io.c, hist.c, hist.h: renamed hist_num_samples to
 408         hist_num_bins.
 409
 410         * configure.in: added alpha-*-*) for per-target config.
 411
 412         * alpha.c, alpha.h: created.
 413
 414         * gprof.c (default_excluded_list): <locore>, <hicore> added.
 415
 416         * core.c (core_create_function_syms, core_create_line_syms):
 417         explicitly keep two sentinels "<locore>" and "<hicore>" that catch
 418         all addresses outside the text-space.  Thus, sym_lookup(&symtab,
 419         addr) continues to guarantee not to return 0 on any address.  It
 420         also avoids incorrectly crediting the first/last symbol in the
 421         text-space.
 422
 423         * core.c (core_create_line_syms): always create function symbols
 424         first, then merge in line symbols; this is so that if parts of the
 425         program were compiled without -g, function-level symbols are
 426         available still.
 427
 428         * utils.c (print_name_only): support for print_path added.
 429
 430         * symtab.c (cmp_addr): also use is_func flag in comparison.
 431         (symtab_finalize): return immediately when table empty; now
 432         more careful about getting rid of the right duplicate symbol.
 433
 434         * sparc.c (find_call): many fixes---this function was rather
 435         botched in binutils-2.4 already; it should work again.
 436
 437         * source.c (source_file_lookup_path): PATH is now strdup'ed (it is
 438         not good to rely on get_src_info() to return distinct string
 439         pointers).
 440
 441         * search_list.c (search_list_append): added cast for xmalloc().
 442
 443         * hist.c: added explicit initialization to some of the global
 444         variables; fixed SItab (scales were off by a factor of 10).
 445
 446         * hist.h: include of bfd.h added.
 447
 448         * gprof.c, gprof.h (print_path): added.
 449
 450         * gprof.h (MAX): fixed.
 451
 452         * gmon_out.h: renamed gmon_time_hist_hdr to gmon_hist_hdr.
 453
 454         * gmon_io.c: added some casts to (long) so we can always print as %lx
 455
 456         * core.c (core_get_text_space): fixed to make it work.
 457
 458         * cg_print.c (cg_print_index): added support for print_path option.
 459
 460         * cg_dfn.h (cg_dfn): wrap prototype in PARAMS().
 461
 462         * call_graph.c, gmon_io.c, hist.c: avoid taking address of array
 463         as some compilers complain (e.g., DEC's OSF/1 compiler)
 464
 465         * basic_blocks.c, gmon_io.c, hist.c, source.c, sym_ids.c,
 466         symtab.c: calls to memset() had 2nd and 3rd args reversed.
 467
 468         Sat Sep 10 21:53:13 1994  David Mosberger-Tang  (davidm@piston.cs.arizona.edu)
 469
 470         * gprof.c: added "_mcount" to default_excluded_list.
 471         (main): if output_style==0 and there is either a histogram or a
 472         call-graph, always generate flat and call-graph, no matter what
 473         line_granularity is set to.
 474
 475         * source.c (source_file_lookup_name): if searching for sf->name
 476         fails, try again with filename obtained after stripping off any
 477         partial path from sf->name.
 478
 479         * gprof.h (SRCDEBUG): added.
 480
 481         * search_list.c (search_list_append): directories were added in wrong
 482         order.
 483
 484         * reimplemented selection mechanism from ground up; it is now possible
 485         to accurately control what gets included/excluded in each of the
 486         output styles;  a "symbol-specification" (spec) is the basic means
 487         to select a set of symbols; a spec has the syntax:
 488
 489           spec == (FILENAME:(FUNCNAME|LINE_NUM) | NAME).
 490           arc == spec/spec.
 491
 492         any of the terminal symbols can be empty, in which case they
 493         match anything (wildcards).  NAME is interpreted as a FILENAME
 494         if it contains a dot (e.g., foo.c), as LINE_NUM if it starts
 495         with a digit, and as FUNCNAME otherwise.
 496
 497         For example, to get a call-graph display that ignores arcs
 498         from foo() to bar(), you'd say "--no-graph=foo/bar"; to
 499         show only arcs into bar() (no matter what the caller),
 500         you'd say "--graph=/bar"; and to get a call-graph without
 501         any arc info, you'd say "--graph=/";  similarly, to
 502         get a flat profile without mcount, you'd say "--no-flat=mcount"
 503         and to get a flat profile that shows includes all functions
 504         you'd say "--flat=""" (i.e., an empty spec)
 505
 506         * hist.c (hist_print): top_time wasn't initialized to 0.0.
 507
 508         Fri Sep  9 01:10:21 1994  David Mosberger-Tang  (davidm@piston.cs.arizona.edu)
 509
 510         * gmon_out.h: all headers now declared in terms of characters
 511           to avoid getting into trouble with different compilers introducing
 512           different amount of padding; the code already accessed the fields
 513           through bfd functions, so that didn't have to change.
 514
 515         * hist.c (hist_read_rec, hist_write_rec): added support for
 516           collection pc histograms measuring quantities other than time;
 517           the histogram header now includes a field that specifies the
 518           dimension of the quantity measured by the histogram bins
 519           (normally, this is "seconds", but other meaningful dimensions
 520            include such things as "I-cache misses", "instruction issue stalls"
 521            etc.); there is also a field to specify a one-character
 522           abbreviation for the dimension; in the case of time, this would
 523           be 's'; in most other cases it probably would be '1' (not a physical
 524           dimension).
 525
 526         Thu Sep  8 16:05:08 1994  David Mosberger-Tang  (davidm@piston.cs.arizona.edu)
 527
 528         * gprof.c, gmon_io.[ch]: BSD_COMPATIBLE is gone and new_file_version
 529           has become old_file_version; gmon_io.c now always supports old-style
 530           gmon.out files; it first tries to read gmon.out as a new version
 531           file, if that fails, it tries to read it in the old format;
 532           although not very likely, it is possible for gprof to mistake an
 533           old-style file as a new one (the first 4 bytes would have to
 534           be "gmon"---including the trailing '\0'); in that case, it is
 535           necessary to specify --old-file-version
 536
 537         * gprof.h: removed dependency on SYSV; the code now always uses
 538           strrchr(), memset(), and memcpy() and does not include either
 539           of string.h or strings.h; this should make gprof compile on
 540           any (Unix) system without configuration (per suggestion of
 541           raeburn@cygnus.com)
 542
 543         * gprof.c (usage): fixed location of --new-file-format option.
 544
 545         * cg_arcs.c (propagate_flags): fixed typo in declaration.
 546
 547         * flat_bl.m: removed formfeed at end of file; the form-feed
 548           is now printed cg_print.c only when necessary.
 549
 550         * major rewrite of gprof---too many changes to mention all of
 551           them.  new features:
 552
 553         + -l now requests profiling at the line level (as opposed
 554           to function level); in this mode, gprof creates a "symbol"
 555           (aka name-list entry) for each line of source code, instead
 556            of one per function)
 557
 558         + support for a new gmon.out file format; the new format
 559           consists of a header with a magic and a version number,
 560           followed by a sequence of profile data; profile data
 561           can any of: (a) PC histogram, (b) call-graph arcs, or
 562           (c) basic-block execution counts; the version number makes
 563           it possible to extend gmon.out in a backwards compatible
 564           fashion
 565
 566         + support for tcov style annotated output: if the gmon.out file
 567           contains basic-block execution counts, the user can request
 568           the generation of annotated source files, much like Sun's
 569           tcov used to do
 570
 571         + long options
 572
 573         + new scheme to suppress symbols that aren't function names
 574           (e.g., avoids mistaking a goto label as a function)
 575
 576         + reorganized source code to make it more managable; as a
 577           side effect, gprof now compiles cleanly with "gcc -Wall"
 578
 579         Thu Sep  1 15:46:49 1994  David Mosberger-Tang  (davidm@piston.cs.arizona.edu)
 580
 581         * gprof.c (funcsymbol): bfd_find_nearest_line() is now used as a
 582         final cross-check to determine whether a static symbol should be
 583         considered as a function-name.
 584
 585         Fri Aug  5 19:32:36 1994  David Mosberger-Tang  (davidm@piston.cs.arizona.edu)
 586
 587         * gmon_io.c (gmon_out_read): recognize "-" as the filename for
 588         stdin; this is useful if you wanna keep gmon.out files compressed;
 589         this way you can "gzcat" the compressed file into gprof.
 590
 591         * gprof.c: flag_min_count now initialized with 1 instead of 0.
 592
 593         * basic_blocks.c (bb_annotate_source): added support for creating
 594         .tcov files when option flag_annotate_make_files is TRUE.
 595         (annotate_with_count): all counts less than the minimum count
 596         specified by -m are now annotated with hash-marks.
 597
 598         * gprof.c (main): -A is now followed by a string of option chars.
 599
 600         * basic_blocks.c (annotate_with_count): replaced b->count with
 601         cnt.
 602
 603         * source.c: flag_annotate_source replaced by source_lock_map.
 604
 605         * source.h: source_lock_map added.
 606
 607         * gprof.c (main): new command-line syntax: -S simply specifies
 608         which source-files user is interested in; -A requests annotated
 609         source files and -AA requests that all lines in a source file
 610         are annotated.
 611
 612         Thu Aug  4 23:27:03 1994  David Mosberger-Tang  (davidm@piston.cs.arizona.edu)
 613
 614         * basic_blocks.c (PATH_MAX): if undefined, define as 1024.
 615
 616         * sparc.c, i386.c, tahoe.c, vax.c: added include of "time_hist.h"
 617         so s_lowpc etc. get declared.
 618
 619         * arcs.h (doarcs): created.
 620
 621         * arcs.c: reordered static functions such that they get defined
 622         before use.
 623
 624         * gprof.c (main): added options:
 625            -A: request annotation of all source lines (with -S)
 626            -m: minimum execution count (with default basic-block display)
 627            -N: force new file format (only if BSD_COMPATIBLE is defined)
 628            -S: annotate source file
 629            -t: set table length (with -S)
 630
 631         * Makefile (OBJS): added basic_blocks.o call_graph.o gmon_io.o
 632         source.o time_hist.o
 633
 634         Fri Jul  1 15:23:50 1994  David Mosberger-Tang  (davidm@piston.cs.arizona.edu)
 635
 636         * gprof.c (asgnsamples): computation of "pcl" and "pch" depended
 637         on the fact being able to store a long in a double without loss of
 638         precision; this does not hold on machines with 64 bit longs and 64
 639         bit doubles.
 640
 641 Fri Oct 21 18:58:02 1994  Ken Raeburn  <raeburn@cujo.cygnus.com>
 642
 643         * printgprof.c (flatprofheader): Always set totime to 1.0 if not
 644         greater than 0.0.  Suggested by Harold Assink
 645         <carlo@sg.tn.tudelft.nl>.
 646
 647 Fri Sep 23 15:06:45 1994  Ken Raeburn  <raeburn@cujo.cygnus.com>
 648
 649         * printgprof.c (printprof): Use free, not cfree.
 650         (printgprof, printindex): Ditto.
 651
 652 Thu Sep  1 10:40:45 1994  Jeff Law  (law@snake.cs.utah.edu)
 653
 654         * gprof.h (kfromlist, ktolist, flist, Flist, elist, Elist): Make
 655         decls extern to keep native HP compiler quiet.
 656
 657 Tue Aug 30 11:12:13 1994  Ian Lance Taylor  (ian@sanguine.cygnus.com)
 658
 659         * gprof.c (funcsymbol): Ignore ___gnu_compiled as well as
 660         __gnu_compiled, for the benefit of systems which add a leading
 661         underscore.
 662
 663 Wed Aug 24 12:49:13 1994  Ian Lance Taylor  (ian@sanguine.cygnus.com)
 664
 665         * configure.in: Change i386-*-* to i[345]86-*-*.
 666
 667 Sun Jul 10 00:35:31 1994  Ian Dall  (dall@hfrd.dsto.gov.au)
 668
 669         * ns532.c, ns532.h: New Files. ns532 support.
 670
 671         * config/mt-ns532: New File. ns532 support.
 672
 673         * gprof.c: user register int i instead of defaulting the int.
 674         Allows compilation with -Dregister= for debugging.
 675
 676         * configure.in: Add ns532 support.
 677
 678 Thu Jun 23 11:22:41 1994  Jeff Law  (law@snake.cs.utah.edu)
 679
 680         * Makefile.in (gprof): Depend on $(LIBS).
 681
 682 Fri May 27 12:24:57 1994  Ken Raeburn  (raeburn@cujo.cygnus.com)
 683
 684         From binutils-2.4 release:
 685
 686         Wed May 11 22:32:00 1994  DJ Delorie (dj@ctron.com)
 687
 688         * configure.bat: [new] build makefile from makefile.in (dos)
 689         * hertz.c: allow static HERTZ (msdos needs it)
 690         * gprof.c: allow target to select "r" or "rb" for fopen
 691         * gprof.c: ignore __gnu_compiled symbols
 692         * i386.h: dfine FOPEN_RB to "rb" for dos.
 693
 694 Tue May 17 15:30:22 1994  E. Michael Smith (ems@cygnus.com)
 695
 696         * Makefile.in (.m.c:):  Added .SUFFIXES : .m
 697         so flat_bl.c would make from flat_bl.m file.
 698
 699 Thu May  5 19:23:24 1994  Ken Raeburn  (raeburn@cujo.cygnus.com)
 700
 701         * Makefile.in (install-info): Check for gprof.info in build dir,
 702         fall back to srcdir.  Depend on it.
 703
 704         * gprof.h (TRUE, FALSE): Always use undef before defining them.
 705
 706 Mon Apr  4 23:47:30 1994  Jeffrey A. Law  (law@snake.cs.utah.edu)
 707
 708         * Makefile.in (MY_MACHINE): Renamed from MACHINE to avoid losing
 709         makes (osf1) in which the value of MACHINE can not be changed.
 710         * config/*.mt: Changed appropriately.
 711
 712 Wed Mar 30 16:12:40 1994  Ian Lance Taylor  (ian@tweedledumb.cygnus.com)
 713
 714         * gprof.c (getsymtab): Change nosyms to long.  Rename
 715         get_symtab_upper_bound to bfd_get_symtab_upper_bound.  Check for
 716         errors from bfd_get_symtab_upper_bound and
 717         bfd_canonicalize_symtab.
 718
 719 Tue Mar 22 10:50:52 1994  Jeffrey A. Law  (law@snake.cs.utah.edu)
 720
 721         * gprof.c (funcsymbol): Use bfd_get_symbol_info instead of
 722         bfd_decode_symclass.
 723
 724 Sun Mar 20 15:40:21 1994  Jeffrey A. Law  (law@snake.cs.utah.edu)
 725
 726         * Makefile.in: Avoid bug in hpux sed.
 727
 728 Wed Dec 15 20:16:40 1993  david d `zoo' zuhn  (zoo@andros.cygnus.com)
 729
 730         * gprof.texi (Invoking): add text about -v flag
 731
 732         * gprof.1: add text about -v flag
 733
 734 Wed Dec  8 16:55:06 1993  david d `zoo' zuhn  (zoo@andros.cygnus.com)
 735
 736         * gprof.c (VERSION): defined a version macro, print the value
 737         when the -v option is used
 738
 739 Tue Jul  6 10:11:56 1993  Steve Chamberlain  (sac@phydeaux.cygnus.com)
 740
 741         * Makefile.in: Install correctly.
 742
 743 Thu Jun 24 14:43:22 1993  David J. Mackenzie  (djm@thepub.cygnus.com)
 744
 745         * gprof.c (main): Get whoami from argv, instead of hardcoding.
 746         Use it in usage message.  Split usage message to fit in 80 cols.
 747
 748 Sun Jun 20 20:58:02 1993  Ken Raeburn  (raeburn@poseidon.cygnus.com)
 749
 750         * Makefile.in: Undo 15 June change.
 751
 752 Wed Jun 16 12:54:53 1993  Steve Chamberlain  (sac@phydeaux.cygnus.com)
 753
 754         * gmon.h, gprof.h: structs of chars used to hold external
 755         representations.
 756         * gprof.c (getpfile, openpfile, readsamples): Swap data in using
 757         new structures.
 758
 759 Tue Jun 15 23:09:17 1993  Ken Raeburn  (raeburn@cambridge.cygnus.com)
 760
 761         * Makefile.in (.c.o): Look in ../include, not ../bfd, for bfd.h.
 762
 763 Mon Jun 14 16:22:59 1993  david d `zoo' zuhn  (zoo at rtl.cygnus.com)
 764
 765         * Makefile.in: remove parentdir support
 766
 767 Mon Jun  7 12:56:17 1993  Per Bothner  (bothner@rtl.cygnus.com)
 768
 769         * Makefile.in (INCLUDES):  Add -I../bfd for sysdep.h and bfd.h.
 770         * configure.in:  No longer need to configure to get sysdep.h.
 771
 772 Tue May 18 21:44:11 1993  david d `zoo' zuhn  (zoo at cirdan.cygnus.com)
 773
 774         * Makefile.in (install): should not depend on install-info
 775
 776 Mon Apr 26 12:37:46 1993  Ian Lance Taylor  (ian@cygnus.com)
 777
 778         * gprof.h: Include ansidecl.h before sysdep.h.  Undefine hz.
 779
 780 Tue Apr 13 16:14:03 1993  Per Bothner  (bothner@cygnus.com)
 781
 782         * M Makefile.in:  Add -g to CFLAGS.
 783         Ads LDFLAGS and use in place of CFLAGS where appropriate.
 784         * configure.in:  Make a sysdep.hlink in the same way other
 785         bfd-based directories do.
 786         * gprof.h (UNIT):  Replace non-standard 'u_short' by 'unsigned
 787         short'.
 788         * gprof.h:  #include sysdep.h instead of a bunch of stuff.
 789         * gprof.c (main):  Fix typo gproff->gprof.
 790
 791 Thu Mar 25 19:00:37 1993  david d `zoo' zuhn  (zoo at cirdan.cygnus.com)
 792
 793         * gprof.texi: add INFO-DIR-ENTRY
 794
 795 Tue Mar 23 00:03:11 1993  david d `zoo' zuhn  (zoo at cirdan.cygnus.com)
 796
 797         * Makefile.in: add installcheck target
 798
 799 Sat Feb 27 18:17:10 1993  Per Bothner  (bothner@rtl.cygnus.com)
 800
 801         * gprof.c (funcsymbol):  Invert test for aflag.
 802
 803 Thu Feb 25 16:01:50 1993  Per Bothner  (bothner@rtl.cygnus.com)
 804
 805         * printgprof (xmalloc, xrealloc):  Cast results of malloc
 806         and realloc to PTR.
 807
 808 Wed Feb  3 13:55:33 1993  Jeffrey Osier  (jeffrey@fowanton.cygnus.com)
 809
 810         * Makefile.in: created info, install-info, dvi
 811
 812 Wed Jan  6 00:58:09 1993  david d `zoo' zuhn  (zoo at cirdan.cygnus.com)
 813
 814         * Makefile.in: fix install rule for $(PROG)
 815
 816 Fri Oct  9 11:25:41 1992  Mark Eichin  (eichin@cygnus.com)
 817
 818         * gprof.1: updated SYNOPSIS to match actual behavior.
 819
 820 Mon Oct  5 17:50:16 1992  Per Bothner  (bothner@cygnus.com)
 821
 822         * gen-c-prog.awk:  New awk script, lightly changed from
 823         previously deleted make-c-prog.awk.  Converts a text file
 824         to a c function that prints that text.
 825         * flat_bl.m, fsf_callg_bl.m, bsd_callg_bl.m:  New files.
 826         Inputs to gen-c-prog.awk, containing text describing
 827         gprof output.
 828         * blurbs.c:  Removed.  Use *_bl.c instead.
 829         * Makefile.in: Use gen-cprog.awk to generate *_bl.c files
 830         from *_bl.m files.  Also, improve *clean rules.
 831         * printgprof.c (printgprof):  Usw new function names from *_bl.c.
 832
 833
 834 Sun Aug 30 19:54:53 1992  Per Bothner  (bothner@rtl.cygnus.com)
 835
 836         * gprof.h, gprof.c, printfgprof.c:  Add support for two
 837         output styles:  The default is similar to the old FSF gprof,
 838         while -T sets the variable bsd_style_output, which causes
 839         output matching Berkeley's gprof.  The biggest differences
 840         are that with the FSF style output, the flat profile comes
 841         before the call graph; numbers come before explanations;
 842         and there is less gratuitous white space.
 843         * gprof.h, gprof.c, printfgprof.c:  New discard_underscores
 844         variable causes discarding of initial underscores when
 845         printing symbol names.  It is set unless there is a "main"
 846         symbol (without an underscore).
 847         * printfgprof.c:  New function printnameonly(), called
 848         by printname().  It handles stripping of initial '_',
 849         as well as C++ name-demangling.
 850         * gprof.callg, gprof.flat, make-c-prog.awk:  Removed.
 851         It is just as convenient to edit blurbs.c directly.
 852         * Makefile.in:  Removed rule for making blurbs.c.
 853         * blurbs.c:  This is now a true source file (as opposed
 854         to being generated from gprof.callg and gprof.flat).
 855         Change style to use one long string literal, instead of
 856         one literal per output line.  Add FSF-style blurb for call graph.
 857
 858 Wed Aug 19 14:36:39 1992  Ian Lance Taylor  (ian@cygnus.com)
 859
 860         * Makefile.in: always create installation directories.
 861
 862 Wed Aug 12 15:14:14 1992  Mark Eichin  (eichin@cygnus.com)
 863
 864         * Makefile.in: change ${MACHINE} to $(MACHINE).
 865
 866 Sun Jul 19 17:34:01 1992  david d `zoo' zuhn  (zoo at cirdan.cygnus.com)
 867
 868         * Makefile.in:  removed installation of the now useless
 869         call.{flag,callg} files.
 870
 871         * gprof.1: now uses the standard man macros instead of the new BSD
 872         mandoc macros.
 873
 874 Sun Jul 12 19:06:00 1992  John Gilmore  (gnu at cygnus.com)
 875
 876         * configure.in:  Remove host section, expand target section.
 877         * config/mt-{tahoe,vax}:  Add, to match existing support files.
 878         * config/tmake-*:  Remove leftover crud.
 879
 880         * blurbs.c:  New file, created from gprof.flat and gprof.callg by
 881         * make-c-prog.awk:  which processes text files into C programs.
 882         * printgprof.c (flatprofheader, gprofheader):  Call new functions
 883         to print blurbs.
 884         (printblurb):  Remove.
 885         * Makefile.in:  Infrastructure to build blurbs.
 886         * pathnames.h:  has been removed.  Gprof now has no filename
 887         dependencies in it.
 888         * gprof.c:  Lint.
 889
 890 Sat Jul 11 18:07:21 1992  david d `zoo' zuhn  (zoo at cirdan.cygnus.com)
 891
 892         * Makefile.in: define man1dir and install the man page
 893
 894 Fri Jul 10 21:14:08 1992  david d `zoo' zuhn (zoo@cygnus.com)
 895
 896         * Makefile.in: added dummy info and install-info targets
 897
 898 Thu Jun  4 11:34:02 1992  Mark Eichin  (eichin at cygnus.com)
 899
 900         * lookup.c: fixed fencepost in nllookup and added dbg_nllookup for
 901         help in debugging the problem (with -DDEBUG)
 902         * gprof.c: symbol values are now real values, don't add the vma
 903         anymore. (done for solaris; should verify this on other platforms)
 904         * ChangeLog: created.