gdb/ChangeLog

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