gdb/ChangeLog

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