gdb/ChangeLog

   1 Fri Mar 21 15:36:25 1997  Michael Meissner  <meissner@cygnus.com>
   2
   3         * configure.tgt (powerpc*-{eabi,linux,sysv,elf}*): Determine
   4         whether the simulator will be built by whether the Makefile in the
   5         simulator directory was built.
   6
   7         * configure.in (--enable-sim-powerpc): Delete switch.
   8         * configure: Regenerate.
   9
  10 Thu Mar 20 20:52:04 1997  Jeffrey A Law  (law@cygnus.com)
  11
  12         * mn10200-tdep.c (mn10200_analyze_prologue): Look for save of "a1"
  13         in the prologue too.
  14
  15         * remote-sim.c (gdb_os_vprintf_filtered): Fix to work with non-ANSI
  16         compilers.
  17         (gdb_os_evprintf_filtered): Similarly.
  18
  19 Wed Mar 19 16:13:22 1997  Geoffrey Noer  <noer@pizza.cygnus.com>
  20
  21         New UnixWare 2.1 configuration
  22         * config/i386/i386v42mp.mt: new
  23         * config/i386/i386v42mp.mh: new
  24         * config/i386/tm-i386v42mp.h: new
  25         * config/i386/nm-i386v42mp.h: new
  26         * configure.tgt: added new entries
  27         * configure.host: added new entries
  28
  29 start-sanitize-gdbtk
  30 Wed Mar 19 15:16:17 1997  Martin M. Hunt  <hunt@onions.cygnus.com>
  31
  32         * Makefile.in:  Install gdbtcl dir instead of gdbtk.tcl.
  33
  34         * gdbtk.c: Added some ifdefs for Windows.  Changed GDBTK_FILENAME
  35         to GDBTK_LIBRARY, which is now a path to search.
  36         (gdb_path_conv): New function.  Convert Cygwin32 pathname to
  37         DOS-style pathname.
  38
  39         * {aclocal.m4,configure.in}: Changes for Windows builds.
  40
  41         * configure: Rebuilt.
  42
  43 end-sanitize-gdbtk
  44 Mon Mar 17 17:52:00 1997  J.T. Conklin  <jtc@cygnus.com>
  45
  46         * dsrec.c (load_srec): Print leading zeroes when printing section
  47         addresses.
  48
  49 Mon Mar 17 15:00:16 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
  50
  51         * remote-sim.h: Delete - moved to ../include/remote-sim.h.
  52
  53         * Makefile.in (remote_utils_h): Update path to remote-sim.h.
  54
  55 Fri Mar  7 20:55:28 1997  Andrew Cagney  <cagney@kremvax.cygnus.com>
  56
  57         * remote-sim.c (flush_stdout, write_stderr, flush_stderr,
  58         vprintf_filtered, evprintf_filtered): Callbacks that accept
  59         varargs.
  60
  61 Sat Mar 15 00:50:46 1997  Peter Schauer  (pes@regent.e-technik.tu-muenchen.de)
  62
  63         * breakpoint.c (insert_breakpoints, watchpoint_check,
  64         bpstat_stop_status):  Do not disable watchpoints going out of scope.
  65         (insert_breakpoints):  Make sure that the current frame is valid
  66         before calling find_frame_addr_in_frame_chain.
  67
  68         * top.c (setup_user_args):  Handle quotes and backslashes.
  69         (print_gdb_version):  Update copyright year.
  70
  71 Fri Mar 14 15:44:03 1997  Ian Lance Taylor  <ian@cygnus.com>
  72
  73         * Makefile.in (elfread.o): Depend upon elf-bfd.h and elf/mips.h.
  74
  75 start-sanitize-gdbtk
  76 Fri Mar 14 10:01:29 1997  Tom Tromey  <tromey@cygnus.com>
  77
  78         * configure: Regenerated.
  79         * configure.in (LIBS): Re-reverse order of TCL_LIBS and TK_LIBS.
  80
  81 end-sanitize-gdbtk
  82 Thu Mar 13 22:51:00 1997  Dawn Perchik  <dawn@cygnus.com>
  83
  84         * utils.c (pollquit, notice_quit): If _WIN32, limit test for
  85         cntl-C to wingdb.
  86         (initialize_utils): If _WIN32, don't call ScreenRows and ScreenCols
  87         except under wingdb.  (Contributed by Martin Hunt).
  88
  89 Thu Mar 13 12:40:49 1997  Tom Tromey  <tromey@cygnus.com>
  90
  91         * configure: Regenerated.
  92         * configure.in: Run AC_CONFIG_AUX_DIR before AC_CANONICAL_SYSTEM.
  93
  94 Thu Mar 13 11:00:22 1997  Doug Evans  <dje@canuck.cygnus.com>
  95
  96         * remote-sim.h (sim_state, SIM_DESC): New types.
  97         (sim_open): Return a `descriptor' as result.
  98         (*): New argument of descriptor result from sim_open.
  99         * remote-sim.c (gdbsim_desc): Renamed from gdbsim_open_p.
 100         (gdbsim_open): Record result of sim_open in gdbsim_desc.
 101         Pass argv list to sim_open, argv[0] = pseudo program name.
 102         (*): Pass gdbsim_desc to sim_foo fns.
 103
 104 Wed Mar 12 14:40:06 1997  Tom Tromey  <tromey@cygnus.com>
 105
 106         * config.in: Regenerated.
 107
 108         * acconfig.h (START_INFERIOR_TRAPS_EXPECTED, sys_quotactl,
 109         HAVE_HPUX_THREAD_SUPPORT): Define.
 110
 111 start-sanitize-gdbtk
 112 Wed Mar 12 14:29:52 1997  Tom Tromey  <tromey@cygnus.com>
 113
 114         * gdbtk.c (x_event): Use Tcl_DoOneEvent, TCL_DONT_WAIT,
 115         TCL_ALL_EVENTS.
 116
 117         * configure: Regenerated.
 118         * configure.in (ENABLE_GDBTK): Put TCL_LIBS after TK_LIBS in
 119         LIBS.
 120
 121 end-sanitize-gdbtk
 122
 123 Tue Mar 11 07:25:27 1997  Mark Alexander  <marka@cygnus.com>
 124
 125         First cut at supporting simulators in gdbserver:
 126
 127         * configure, configure.in: Allow gdbserver to be configured
 128         for cross-target environments.
 129         * gdbserver/Makefile.in: Add simulator support.
 130         * gdbserver/configure.in: Eliminate assumption that host == target.
 131         Simplify using gdb/configure.tgt and gdb/configure.host.
 132         Fix other minor configuration errors.
 133         * gdbserver/low-sparc.c: Fix compile error.
 134         * gdbserver/remote-utils.c: Eliminate assumption that registers
 135         and addresses are four bytes.  Fix minor compile errors and warnings.
 136         * gdbserver/server.c: Rewrite numerous instances of identical code
 137         for starting inferior processes to call new function start_inferior.
 138         Eliminate assumption that registers and addresses are four bytes.
 139         * gdbserver/server.h: Add missing prototypes to eliminate compiler
 140         warnings.
 141         * gdbserver/low-sim.c: New file to mate gdbserver with simulators.
 142         * config/mips/vr5000.mt: Add Vr5000 simulator support to gdbserver.
 143         * config/i386/linux.mh: Eliminate gdbserver support as a first step
 144         in moving such support from host to target makefile fragments.
 145         * config/i386/linux.mt: Move gdbserver support here from linux.mh.
 146
 147 Mon Mar 10 12:27:47 1997  Michael Snyder  <msnyder@cleaver.cygnus.com>
 148
 149         * symtab.h (INIT_SAL): New macro to initialize symtab_and_line,
 150         to insure consistant initialization of unused fields to zero.
 151         * symtab.c: replace initializations of sals with new macro INIT_SAL.
 152         * breakpoint.c: ditto.
 153         * infrun.c: ditto.
 154         * infcmd.c: ditto.
 155         * source.c: add call to INIT_SAL macro.
 156
 157 Sat Mar  8 00:16:37 1997  Peter Schauer  (pes@regent.e-technik.tu-muenchen.de)
 158
 159         * sparc-tdep.c (isbranch):  Always handle v9 branch instructions,
 160         they might get used on 32 bit targets as well.
 161
 162 Wed Mar  5 19:34:09 1997  Bob Manson  <manson@charmed.cygnus.com>
 163
 164         * remote-mips.c (mips_exit_debug): Some IDT boards don't
 165         send the full exit string.
 166
 167 Wed Mar  5 12:59:27 1997  Jeffrey A Law  (law@cygnus.com)
 168
 169         * mn10200-tdep.c (mn10200_push_arguments): Handle new calling
 170         conventions.
 171         (mn10200_store_struct_return): Likewise.
 172
 173 Tue Mar  4 10:31:02 1997  Mark Alexander  <marka@cygnus.com>
 174
 175         * mips-tdep.c (mips_fetch_instruction): New function; replace
 176         common code throughout with calls to it.
 177         (mips_find_saved_regs): Examine MIPS16 entry instruction to determine
 178         correct saved addresses of $s0 and $s1.
 179         (mips_find_saved_regs, mips16_heuristic_proc_desc):  Use MIPS_REGSIZE
 180         instead of hardcoded 4.
 181         (mips16_skip_prologue): Handle extended instructions correctly.
 182
 183 Mon Mar  3 12:29:20 1997  Doug Evans  <dje@canuck.cygnus.com>
 184
 185         * defs.h (LONGEST): Move #ifndef LONGEST to outside.
 186         Try BFD_HOST_64_BIT if ! CC_HAS_LONG_LONG.
 187
 188 Thu Feb 27 18:54:11 1997  Mark Alexander  <marka@cygnus.com>
 189
 190         * mips-tdep.c (IS_MIPS16_ADDR, MAKE_MIPS16_ADDR, UNMAKE_MIPS16_ADDR):
 191         New macros for testing, setting, and clearing bit 0 of addresses.
 192         Change numerous bits of code where bit 0 was being manipulated
 193         to use these macros.
 194
 195 Thu Feb 27 14:12:41 1997  Mark Alexander  <marka@cygnus.com>
 196
 197         * remote-mips.c: Put back the form feeds.
 198
 199 Thu Feb 27 12:04:24 1997  Mark Alexander  <marka@cygnus.com>
 200
 201         * remote-mips.c: Remove form feeds (^L) from source.
 202         (mips_initialize): LSI PMON doesn't support 'set regsize' command.
 203         (pmon_wait): Don't need to exit and re-enter debug mode on LSI
 204         PMON after a continue; it causes target program misbehavior.
 205         (mips_fetch_register): Don't fetch unsupported registers; this
 206         cuts down on wasted serial traffic.
 207
 208 Thu Feb 27 09:38:16 1997  Stu Grossman  (grossman@critters.cygnus.com)
 209
 210         * configure.in configure (HPUX/OSF thread support):  Enable this
 211         only when running GCC, since HP's thread header files use ANSI C
 212         which is not supported by their default compiler.
 213
 214         * configure.host (i[3456]86-*-windows):  Disable long long
 215         support for WinGDB.  Add mswin to configdirs.
 216         * configure.in configure:  Move calls to configure.host and
 217         configure.tgt to the top of configure.in to allow them to set
 218         config variables before they are referenced.
 219
 220 Tue Feb 25 20:21:52 1997  Stan Shebs  <shebs@andros.cygnus.com>
 221
 222         * configure.tgt (mips*-*-lnews*): New target.
 223
 224 Mon Feb 24 16:35:00 1997  Jeffrey A Law  (law@cygnus.com)
 225
 226         * mn10200-tdep.c (mn10200_analyze_prologue): Don't fix fi->frame
 227         if we're not the innermost frame.  Fix minor typos.
 228
 229 Sat Feb 22 03:39:50 1997  Peter Schauer  (pes@regent.e-technik.tu-muenchen.de)
 230
 231         * stabsread.c (read_type):  Fix handling of template names
 232         with template parameters containing `::'.
 233
 234         * valops.c (search_struct_field, search_struct_method):
 235         Pass correct valaddr parameter to baseclass_offset.
 236         Prevent gdb crashes by making sure that the virtual base pointer
 237         from an user object still points to accessible memory.
 238
 239 Tue Feb 18 13:36:34 1997  Mark Alexander  <marka@cygnus.com>
 240
 241         * maint.c: Eliminate -Wall warnings by including some header files.
 242
 243 Tue Feb 18 13:06:30 1997  Mark Alexander  <marka@cygnus.com>
 244
 245         * remote-sim.c (init_callbacks): Undo previous change.
 246
 247 Tue Feb 18 11:13:00 1997  Dawn Perchik  <dawn@cygnus.com>
 248
 249         * maint.c: Fix dereference of pointer.
 250         * remote-sim.c: Fix reference of structure member "last_error".
 251         * debugify.c: Include config.h to get ANSI definitions.
 252
 253 Sat Feb 15 17:43:46 1997  Stu Grossman  (grossman@critters.cygnus.com)
 254
 255         * remote-vx.c (vx_attach):  Fix for PR 11356.  Remove code added
 256         by kung.  It made no sense.
 257
 258 Fri Feb 14 13:00:07 1997  Ian Lance Taylor  <ian@cygnus.com>
 259
 260         * main.c (print_gdb_help): Make static to match declaration.
 261
 262 Thu Feb 13 18:18:18 1997  Dawn Perchik  <dawn@cygnus.com>
 263
 264         * remote-e7000.c, ser-e7kpc.c, serial.c: Remove // comments.
 265
 266 Wed Feb 12 15:58:00 1997  Dawn Perchik  <dawn@cygnus.com>
 267
 268         * debugify.c, debugify.h: Make safe for non-ansi compilers.
 269
 270 Wed Feb 12 15:30:00 1997  Dawn Perchik  <dawn@cygnus.com>
 271
 272         * defs.h: Fix prototypes for new cleanup functions.
 273
 274 Wed Feb 12 15:08:47 1997  Dawn Perchik  <dawn@cygnus.com>
 275
 276         * debugify.c, debugify.h: Fix for general gnu use.  Remove C++
 277         comment, add PARAMS, add license info and fix indentation.
 278
 279 Wed Feb 12 14:42:47 1997  Dawn Perchik  <dawn@cygnus.com>
 280
 281         * debugify.c, debugify.h: New files.  Provide common macros
 282         for writing debug info to a log file or stdio.
 283
 284 Wed Feb 12 02:44:39 1997  Dawn Perchik  <dawn@cygnus.com>
 285
 286         * c-valprint.c (c_val_print): Fix printing for arrays defined
 287         with 0 length.  A sticky tag caused this fix from
 288         revision 2.32 date: 1996/04/29 23:25:27;  author: dawn;
 289         state: Exp;  lines: +1 -0 branches:  2.32.34;
 290         to not make it into devo.
 291
 292 Tue Feb 11 22:24:39 1997  Dawn Perchik  <dawn@cygnus.com>
 293
 294         * defs.h: Fix cntl-C to read from the Windows message queue.
 295         Add prototypes for make_final_cleanup (and the other cleanup
 296         routines.
 297         * remote-e7000.c: Fix sync code to timeout if unable to sync.
 298         Change sync code to report status while trying to sync-up
 299         with hardware.  Add debugging output and document.
 300         * ser-e7kpc.c: Swap order of len & offset to match implementation.
 301         Add debugging output and document.
 302         * serial.c: Add debugging output.
 303         * top.c: Add call to do_final_cleanups.
 304         Remove conditionals preventing Win32 from getting SIGQUIT.
 305         * utils.c: (*_cleanup): Modify cleanup routines to accept a cleanup
 306         chain as a parameter.  Extract this generic code from the cleanup
 307         routines into separate funtions (*_my_cleanup).  Keep old
 308         functionality by passing "cleanup_chain" to the new funtions.
 309         Define the cleanup chain "final_cleanup_chain" to be a cleanup
 310         chain which will be executed only when gdb exits.  Add functions
 311         (*_final_cleanup) to match the original (*_cleanup) functions.
 312         (pollquit, quit, notice_quit): Fix to read cntl-C from the
 313         Windows message queue.
 314
 315 start-sanitize-m32r
 316 Tue Feb 11 15:36:31 1997  Doug Evans  <dje@canuck.cygnus.com>
 317
 318         * m32r-rom.c: #include <sys/types.h>.
 319         #ifdef out new load support if wingdb.
 320         * m32r/tm-m32r.h (TARGET_M32R): Define, for wingdb.
 321
 322 end-sanitize-m32r
 323 Tue Feb 11 12:28:09 1997  Jeffrey A Law  (law@cygnus.com)
 324
 325
 326         * config/mn10200/tm-mn10200.h (STORE_STRUCT_RETURN): Fix.
 327         * mn10200-tdep.c (mn10200_store_struct_return): New function.
 328
 329         * config/mn10200/tm-mn10200.h (EXTRACT_RETURN_VALUE): Fix case when
 330         extracting a return value from a register pair.
 331
 332         * mn10200-tdep.c (mn10200_push_arguments): Stack only needs to
 333         be two byte aligned.  Round argument sizes up to two byte boundary.
 334         Write out args in two byte hunks.
 335         (mn10200_push_return_address): Implement.
 336         * config/mn10200/tm-mn10200.h (EXTRACT_RETURN_VALUE): Abort for
 337         structures > 8 bytes (temporary).
 338         (STORE_RETURN_VALUE): Likewise.
 339         (CALL_DUMMY): No longer undefine.
 340         (USE_STRUCT_CONVENTION): Use for args > 8 bytes.
 341         (REG_STRUCT_HAS_ADDR): Define.
 342
 343 start-sanitize-r5900
 344 Fri Feb 07 09:04:37 1997  Gavin Koch  <gavin@cygnus.com>
 345
 346         * configure.tgt: added r5900.
 347
 348 end-sanitize-r5900
 349 Mon Feb 10 18:35:55 1997  Mark Alexander  <marka@cygnus.com>
 350
 351         * mips-tdep.c (non_heuristic_proc_desc): New function.
 352         (find_proc_desc): Move non-heuristic proc search code into separate
 353         function.
 354         (gdb_print_insn_mips): Use non-heuristic method to find procedure
 355         descriptor, to avoid prologue examination when disassembling.
 356         * remote-mips.c: Add support for new "lsi" target (LSI MiniRISC
 357         aka MicroMeteor board).
 358         (mips_exit_debug): Prevent protocol reinitialization if an error
 359         occurs while exiting debug mode.
 360
 361 Mon Feb 10 16:11:57 1997  Jeffrey A Law  (law@cygnus.com)
 362
 363         * mn10200-tdep.c: Remove lots of debugging printfs, update/improve
 364         comments, formatting, etc.  Plus other minor fixes for problems
 365         I found during my first pass over the mn10200 port.
 366         (mn10200_analyze_prologue): New function.
 367         (mn10200_frame_chain, mn10200_init_extra_frame_info): Use it.
 368         * config/mn10200/tm-mn10200.h: Lots of updates/improvements to
 369         comments, formatting, etc.  Minor fixes for problems I found during
 370         my first pass over the mn10200 port.
 371         (TARGET_*_BIT): Define appropriately for ints, long longs, doubles and
 372         pointers.
 373         (REGISTER_VIRTUAL_TYPE): Define as a long.
 374         (EXTRACT_RETURN_VALUE): Rework to deal with long ints living
 375         in register pairs.
 376         (STORE_RETURN_VALUE): Similarly.
 377
 378         * blockframe.c (generic_get_saved_regs): Remove unused variable
 379         "addr".
 380         * breakpoint.c (frame_in_dummy): Move struct breakpoint *b decl
 381         inside #ifdef CALL_DUMMY.
 382         (watch_command_1): Initialize target_resources_ok.
 383         * command.c (do_setshow_command): Provide dummy initialization
 384         for "match".
 385         * valops.c (find_function_addr): Move function & prototype inside
 386         #ifdef CALL_DUMMY.
 387         (value_arg_coerce): Similarly.
 388         (value_of_variable): Provide dummy initialization of "frame".
 389
 390 Mon Feb 10 13:50:53 1997  Stu Grossman  (grossman@critters.cygnus.com)
 391
 392         * gdbtk.c (call_wrapper):  Clear running_now if an error occurs.
 393         This fixes PR 11323, where gdbtk stops responding if an error occurs.
 394
 395 Mon Feb 10 07:54:26 1997  Fred Fish  <fnf@cygnus.com>
 396
 397         * xcoffread.c (RECORD_MINIMAL_SYMBOL): Add NULL asection* parameter
 398         to prim_record_minimal_symbol_and_info call that was missed in Jan 3
 399         change.
 400         (scan_xcoff_symtab): Ditto.
 401
 402 Sun Feb 09 09:23:26 1997  Mark Alexander  <marka@cygnus.com>
 403
 404         * remote-mips.c (common_breakpoint): Prevent 64-bit addresses
 405         from being sent to 32-bit targets by masking off upper bits.
 406         * mips-tdep.c (heuristic_proc_start): Mask off upper 32 bits
 407         of PC on 32-bit targets.
 408         (mips16_heuristic_proc_desc): Recognize 'addiu s1,sp,n' as a
 409         frame setup instruction.
 410         (mips32_heuristic_proc_desc): Fix warning found by gcc -Wall.
 411         (mips16_skip_prologue): Recognize 'addiu s1,sp,n' as a valid
 412         prologue instruction.  Fix warnings and bugs found by gcc -Wall.
 413         * buildsym.c (finish_block): Improve handling of overlapping blocks;
 414         fixes problem on MIPS16 printing function arguments.
 415
 416 Sat Feb  8 01:14:43 1997  Peter Schauer  (pes@regent.e-technik.tu-muenchen.de)
 417
 418         * dwarf2read.c (dwarf2_linkage_name):  New function to get
 419         the linkage name of a die from DW_AT_MIPS_linkage_name or
 420         DW_AT_name.
 421         (read_func_scope, dwarf2_add_field, dwarf2_add_member_fn,
 422         new_symbol):  Use it instead of accessing DW_AT_name.
 423         (read_partial_die):  Use DW_AT_MIPS_linkage name as name of the
 424         partial die if present.
 425         (dwarf2_add_member_fn):  Make a copy of physname on the type obstack.
 426
 427 Fri Feb  7 10:06:22 1997  Jeffrey A Law  (law@cygnus.com)
 428
 429         * blockframe.c (generic_frame_chain_valid): If the new frame
 430         is not INNER_THAN the old frame, then it's not valid.
 431
 432 Tue Feb 04 09:04:37 1997  Mark Alexander  <marka@cygnus.com>
 433
 434         * mips-tdep.c (mips16_get_imm): Fix calculation of extended immediate.
 435         (mips16_heuristic_proc_desc): Recognize jal(x) instruction.
 436
 437 Mon Feb 03 17:57:58 1997  Mark Alexander  <marka@cygnus.com>
 438
 439         * mips-tdep.c (mips16_decode_reg_save): Distinguish between
 440         sd and sw instructions correctly.
 441         (heuristic_proc_start): Add support for MIPS16.
 442         (mips16_get_imm, mips16_heuristic_proc_desc,
 443         mips32_heuristic_proc_desc): New helper functions for
 444         heuristic_proc_desc.
 445         (heuristic_proc_desc): Rewrite and reorganize to support MIPS16.
 446         (mips_push_arguments): Don't align small arguments in EABI.
 447         (mips32_skip_prologue): Attempt to shrink code size a little.
 448
 449 start-sanitize-m32r
 450 Mon Feb  3 11:06:05 1997  Michael Snyder  <msnyder@cleaver.cygnus.com>
 451
 452         * m32r-stub.c: New -- remote protocol support for M32R cpu.
 453         * m32r-rom.c:  Several experiments with improved download time.
 454         * .Sanitize:   Add entry for m32r-stub.c
 455 end-sanitize-m32r
 456
 457 Fri Jan 31 08:26:39 1997  Mark Alexander  <marka@cygnus.com>
 458
 459         * mips-tdep.c (MIPS16_INSTLEN): Define.
 460         (mips_find_saved_regs): Replace hardcoded 2's with MIPS16_INSTLEN.
 461         (heuristic_proc_start): Recognize 'entry' pseudo-op as a start
 462         of function on MIPS16.
 463         (mips32_skip_prologue, mips16_skip_prologue): New helper functions
 464         for mips_skip_prologue.
 465         (mips_skip_prologue): Recognize both 16- and 32-bit prologues.
 466
 467 Wed Jan 29 12:45:54 1997  Michael Meissner  <meissner@tiktok.cygnus.com>
 468
 469         * config/powerpc/ppc{,le}-sim.mt (SIM): Remove the library
 470         ../sim/common/libcommon.a.
 471
 472 Tue Jan 28 15:54:13 1997  Michael Snyder  <msnyder@cleaver.cygnus.com>
 473
 474         * blockframe.c: fix a null pointer ref in generic_get_saved_register
 475
 476 Tue Jan 28 15:39:50 1997  Geoffrey Noer  <noer@cygnus.com>
 477
 478         * mn10200-tdep.c (mn10200_frame_chain): Get basic backtracing
 479         working.
 480
 481 Mon Jan 27 14:31:52 1997  Mark Alexander  <marka@cygnus.com>
 482
 483 First set of changes for mips16:
 484         * config/mips/tm-mips.h (MIPS16_BIG_BREAKPOINT,
 485         MIPS16_LITTLE_BREAKPOINT, BREAKPOINT_FROM_PC): Define.
 486         (ABOUT_TO_RETURN): Call new function mips_about_to_return.
 487         (mips_breakpoint_from_pc, mips_about_to_return): Declare.
 488         * mem-break.c (memory_breakpoint_from_pc): New function.
 489         (memory_insert_breakpoint, memory_remove_breakpoint): Use
 490         memory_breakpoint_from_pc to determine breakpoint contents and size.
 491         * target.h (memory_breakpoint_from_pc): Declare.
 492         * monitor.c (monitor_insert_breakpoint): Use memory_breakpoint_from_pc
 493         to determine size of breakpoint instruction.
 494         * mips-tdep.c (mips32_decode_reg_save, mips16_decode_reg_save):
 495         New helper functions for mips_find_saved_regs.
 496         (mips_find_saved_regs): Recognize mips16 prologues.
 497         (mips_addr_bits_remove): Strip off upper 32 bits of address
 498         when target CPU is 32 bits but CORE_ADDR is 64 bits.
 499         (mips_step_skips_delay): No branch delay slot on mips16.
 500         (gdb_print_insn_mips): Disassemble mips16 code.
 501         (mips_breakpoint_from_pc, mips_about_to_return): New functions.
 502
 503 Mon Jan 27 10:34:03 1997  Jeffrey A Law  (law@cygnus.com)
 504
 505         * tm-mn10200.h (NUM_REGS): Decrease to 12.
 506         (REGISTER_NAMES): Elimination registers not found on the mn10200.
 507         (PC_REGNUM, MDR_REGNUM, PSW_REGNUM): Corresponding changes.
 508         (LIR_REGNUM, LAR_REGNUM): Delete.  They don't exist on the mn10200.
 509
 510 Sat Jan 25 00:07:59 1997  Peter Schauer  (pes@regent.e-technik.tu-muenchen.de)
 511
 512         * dwarf2read.c:  Replace integral tag, name and form fields in
 513         internal structure definitions with the corresponding enumeration
 514         types from dwarf2.h. Add default cases to switches on enumerations
 515         where appropriate.
 516         Make quoting of string arguments in complaint messages consistent.
 517         Check for NULL returns from DW_STRING.
 518         (struct partial_die_info):  Add sibling and has_type fields, remove
 519         unused value field.
 520         (DW_*):  Move access macro definitions near the definition of the
 521         attribute structure.
 522         (struct field_info):  New structure to pass information about fields
 523         and member functions between die processing routines.
 524         (dwarf2_build_psymtabs_hard):  Set cu_header_offset.
 525         (scan_partial_symbols):  Do not enter DW_TAG_subprogram dies into
 526         the partial symbol table if the DW_AT_*_pc attributes are missing.
 527         Add file scope base type definitions to the partial symbol table.
 528         Skip over child dies if the die has a sibling attribute.
 529         (add_partial_symbol):  Enter global variables with type attributes
 530         and without location descriptors into the partial symbol table.
 531         Store value of DW_TAG_variable dies in the partial symbol table.
 532         Do not enter global variables into the minimal symbol table.
 533         Add base type definitions to the partial symbol table.
 534         (psymtab_to_symtab_1):  Use dwarf2_get_pc_bounds to determine highpc.
 535         (process_die):  Move check for DW_AT_low_pc to read_func_scope.
 536         Add a typedef symbol for base type definitions to the symbol table.
 537         Ignore DW_TAG_inlined_subroutine tags for now.
 538         (read_file_scope):  Use dwarf2_get_pc_bounds to determine pc bounds.
 539         (read_func_scope, read_lexical_block_scope):  Use dwarf2_get_pc_bounds
 540         to determine pc bounds, ignore dies with invalid bounds.
 541         (dwarf2_get_pc_bounds):  New routine to extract and validate the
 542         DW_AT_*_pc attributes of a die.
 543         (dwarf2_add_field, dwarf2_attach_fields_to_type, skip_member_fn_name,
 544         dwarf2_add_member_fn, dwarf2_attach_fn_fields_to_type):
 545         New functions to handle fields and member functions.
 546         (read_structure_scope):  Rewritten to use them.
 547         (read_array_type):  Renamed from dwarf_read_array_type.
 548         Default upper array bound to describe an array with unspecified
 549         length.
 550         Create array types in backwards order, as dwarf2 puts out the array
 551         dimensions from left to right.
 552         (read_subroutine_type):  Handle DW_TAG_unspecified_parameters,
 553         DW_AT_artificial and DW_AT_prototyped.
 554         (read_base_type):  Make an unsigned type for DW_ATE_boolean.
 555         Pass objfile to dwarf_base_type.
 556         (read_partial_die):  Use read_attribute to read in the attributes.
 557         Handle DW_AT_sibling and DW_AT_type.
 558         Follow references when determining DW_AT_name and DW_AT_external
 559         attributes of the die.
 560         Validate DW_AT_*_pc attributes.
 561         (read_full_die):  Use read_attribute to read in the attributes.
 562         (read_attribute):  New function to read an attribute described
 563         by an abbreviated attribute.
 564         (new_symbol):  Relocate symbol value for DW_TAG_label with baseaddr.
 565         Do not set SYMBOL_VALUE_ADDRESS for DW_TAG_subprogram,
 566         SYMBOL_BLOCK_VALUE for the symbol will be set later by finish_block.
 567         Change symbol class for global variables with a zero valued location
 568         descriptor to LOC_UNRESOLVED.
 569         Handle DW_AT_const_value attributes for DW_TAG_variable,
 570         DW_TAG_formal_parameter and DW_TAG_enumerator.
 571         Build a typedef symbol for DW_TAG_base_type.
 572         (dwarf2_const_value):  New routine to copy a constant value from an
 573         attribute to a symbol.
 574         (dwarf_base_type):  Use passed in objfile, not current_objfile
 575         when calling dwarf2_fundamental_type.
 576         (dump_die):  Use DW_* accessor macros to access values of attributes.
 577         (decode_locdesc):  Handle DW_OP_plus_uconst.
 578
 579 Wed Jan 22 01:31:16 1997  Geoffrey Noer  <noer@cygnus.com>
 580
 581         * mn10200-tdep.c: New file.
 582         * config/mn10200/tm-mn10200.h: New, REGISTER_SIZE is 24 bits not 32,
 583         SP_REGNUM and FP_REGNUM are different, also no lar or lir.
 584         * config/mn10200/mn10200.mt: New file.
 585         * configure.tgt: add mn10200 entry.
 586
 587 Tue Jan 21 18:32:23 1997  Stu Grossman  (grossman@lisa.cygnus.com)
 588
 589         * configure.in configure:  Check if host has libdl if doing
 590         Solaris threads.
 591
 592 Tue Jan 21 17:03:26 1997  Geoffrey Noer  <noer@cygnus.com>
 593
 594         * mn10300-tdep.c: Wrote/fixed implementations of
 595         mn10300_frame_chain, mn10300_init_extra_frame_info,
 596         mn10300_frame_saved_pc
 597         * config/mn10300/tm-mn10300.h: Redefine INIT_EXTRA_FRAME_INFO
 598         and INIT_FRAME_PC macros.
 599
 600 Tue Jan 21 17:01:20 1997  Stu Grossman  (grossman@lisa.cygnus.com)
 601
 602         * configure.in configure:  Check if host has libm.  Make sure we
 603         are using gcc when using the -export-dynamic option.  Fixes a
 604         problem with building under Solaris/SunPro cc.
 605
 606 Mon Jan 20 13:52:13 1997  Mark Alexander  <marka@cygnus.com>
 607
 608         * config/mips/{embed,embed64,embedl,embedl64}.mt:
 609         Link in simulator on MIPS embedded targets.
 610
 611 Sat Jan 18 02:31:29 1997  Peter Schauer  (pes@regent.e-technik.tu-muenchen.de)
 612
 613         * blockframe.c (frameless_look_for_prologue):  Mark frames
 614         with a zero PC as frameless to improve backtraces from core dumps
 615         caused by dereferencing a NULL function pointer.
 616
 617 Thu Jan 16 14:10:41 1997  Geoffrey Noer  <noer@cygnus.com>
 618
 619         * config/mn10300/tm-mn10300.h: fix BREAKPOINT definition.
 620
 621 Tue Jan 14 16:01:06 1997  Geoffrey Noer  <noer@cygnus.com>
 622
 623         * mn10300-tdep.c: made a lot more generic, ripping out code
 624         from copied target (no more mn10300_scan_prologue,
 625         init_extra_frame_info, and mn10300_fix_call_dummy calls)
 626         * config/mn10300/tm-mn10300.h: undefine INIT_EXTRA_FRAME_INFO
 627         and INIT_FRAME_PC macros
 628
 629 Thu Jan  9 11:44:40 1997  Michael Snyder  <msnyder@cleaver.cygnus.com>
 630
 631         * sparc-tdep.c (sparc_frame_find_saved_regs): Don't use
 632         FP_REGISTER_BYTES to compute offsets into the saved frame,
 633         since it fails for SPARC targets configured without any
 634         FP regs.  Instead, use DUMMY_STACK_REG_BUF_SIZE.
 635
 636 Mon Jan  6 11:15:14 1997  Stu Grossman  (grossman@critters.cygnus.com)
 637
 638         * symtab.c (fixup_symbol_section):  Handle NULL symbols without
 639         crashing.
 640
 641 Fri Jan  3 12:08:16 1997  Stu Grossman  (grossman@critters.cygnus.com)
 642
 643         * Makefile.in configure configure.in:  Remove ENABLE_CLIBS,
 644         ENABLE_OBS, and THREAD_DB_OBS.  These are consolidated into LIBS
 645         and CONFIG_OBS.
 646         * configure configure.in:  Clean up test cases around thread support.
 647 start-sanitize-v850
 648         * configure.tgt (v850-*-*):  Include v850ice.o and v850.lib if
 649         host is Windows.
 650 end-sanitize-v850
 651         * c-valprint.c ch-valprint.c cp-valprint.c eval.c expprint.c
 652         printcmd.c valops.c value.h values.c:  Add bfd_section arg to
 653         value_at and value_at_lazy.
 654         * coffread.c dbxread.c elfread.c mdebugread.c minsyms.c symtab.h:
 655         Add bfd_section arg to prim_record_minimal_symbol_and_info.
 656         * corefile.c gdbcore.h printcmd.c valops.c:  Use read_memory_section
 657         instead of read_memory.  It takes a bfd_section arg.
 658         * coffread.c dbxread.c elfread.c gdb-stabs.h objfiles.h:  Remove
 659         unnecessary cast for assignment of struct dbx_symfile_info.
 660         Struct objfile now uses a real pointer instead of PTR for this
 661         element.
 662         * dbxread.c (dbx_symfile_init): Stash bfd section pointers for
 663         text, data and bss into dbx_symfile_info.
 664         * exec.c (xfer_memory):  Handle transfers for user-specified
 665         sections.
 666         * findvar.c (read_var_value locate_var_value):  Copy bfd section
 667         from the symbol to the value.
 668         * gdb-stabs.h:  Add section pointers for text, data and bss
 669         sections.
 670         * maint.c (translate address command):  Add test code for overlay
 671         address translation.
 672         * printcmd.c (do_examine do_one_display):  Now takes a bfd section
 673         arg.
 674         * (print_formatted x_command):  Record current section along with
 675         current address for repeated commands.
 676         * sparc-nat.c (fetch_inferior_registers):  Change
 677         target_xfer_memory to target_{read write}_memory to allow changes
 678         to target_xfer_memory interface for section info.
 679         * symmisc.c (dump_msymbols print_symbol):  Print section
 680         assocaited with symbol.
 681         * symtab.c (fixup_symbol_section):  New routine to
 682         add section info to symbols returned by lookup_symbol.
 683         * symtab.h (struct general_symbol_info):  Add bfd section to
 684         symbols.
 685         * target.c target.h (target_xfer_memory):  Add bfd section to
 686         args.
 687         * (target_read_memory_section):  New routine to read data from a
 688         specific section.
 689         * (target_memory_bfd_section):  New global variable to pass bfd
 690         section in to targets.
 691         * valarith.c (value_add value_addr value_array):  Preserve bfd
 692         section when computing new value.
 693         * value.h (struct value):  Add bfd section to values.
 694         * values.c (allocate_value value_copy):  Initialize/preserve bfd
 695         section.
 696         * (unpack_double):  Clean up _MSC_VER conditionals to remove
 697         duplicate code.
 698 start-sanitize-v850
 699         * v850ice.c:  New module to support communication with NEC's
 700         PC-based ICE.
 701         * config/v850/tm-v850.h (REGISTER_NAMES):  Replace sp, gp, fp, and
 702         ep names with rxx names.  sp and fp are renamed via a different
 703         mechanism.
 704 end-sanitize-v850
 705
 706 Fri Jan  3 14:20:05 1997  Geoffrey Noer  <noer@cygnus.com>
 707
 708         * mn10300-tdep.c (mn10300_push_arguments): rewrote,
 709         also removed code elsewhere that made use of RP_REGNUM.
 710         * config/mn10300/tm-mn10300.h: ripped out RP_REGNUM, V0_REGNUM,
 711         ARG0_REGNUM, ARGLAST_REGNUM (all not appropriate for mn10300
 712         arch.), redefined SAVED_PC_AFTER_CALL, EXTRACT_RETURN_VALUE,
 713         EXTRACT_STRUCT_VALUE_ADDRESS, STORE_RETURN_VALUE.
 714
 715 For older changes see ChangeLog-96
 716 \f
 717 Local Variables:
 718 mode: indented-text
 719 left-margin: 8
 720 fill-column: 74
 721 version-control: never
 722 End: