gdb/ChangeLog

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