gdb/ChangeLog

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