gdb/ChangeLog

   1 Mon Feb 10 13:50:53 1997  Stu Grossman  (grossman@critters.cygnus.com)
   2
   3         * gdbtk.c (call_wrapper):  Clear running_now if an error occurs.
   4         This fixes PR 11323, where gdbtk stops responding if an error occurs.
   5
   6 Mon Feb 10 07:54:26 1997  Fred Fish  <fnf@cygnus.com>
   7
   8         * xcoffread.c (RECORD_MINIMAL_SYMBOL): Add NULL asection* parameter
   9         to prim_record_minimal_symbol_and_info call that was missed in Jan 3
  10         change.
  11         (scan_xcoff_symtab): Ditto.
  12
  13 Sun Feb 09 09:23:26 1997  Mark Alexander  <marka@cygnus.com>
  14
  15         * remote-mips.c (common_breakpoint): Prevent 64-bit addresses
  16         from being sent to 32-bit targets by masking off upper bits.
  17         * mips-tdep.c (heuristic_proc_start): Mask off upper 32 bits
  18         of PC on 32-bit targets.
  19         (mips16_heuristic_proc_desc): Recognize 'addiu s1,sp,n' as a
  20         frame setup instruction.
  21         (mips32_heuristic_proc_desc): Fix warning found by gcc -Wall.
  22         (mips16_skip_prologue): Recognize 'addiu s1,sp,n' as a valid
  23         prologue instruction.  Fix warnings and bugs found by gcc -Wall.
  24         * buildsym.c (finish_block): Improve handling of overlapping blocks;
  25         fixes problem on MIPS16 printing function arguments.
  26
  27 Sat Feb  8 01:14:43 1997  Peter Schauer  (pes@regent.e-technik.tu-muenchen.de)
  28
  29         * dwarf2read.c (dwarf2_linkage_name):  New function to get
  30         the linkage name of a die from DW_AT_MIPS_linkage_name or
  31         DW_AT_name.
  32         (read_func_scope, dwarf2_add_field, dwarf2_add_member_fn,
  33         new_symbol):  Use it instead of accessing DW_AT_name.
  34         (read_partial_die):  Use DW_AT_MIPS_linkage name as name of the
  35         partial die if present.
  36         (dwarf2_add_member_fn):  Make a copy of physname on the type obstack.
  37
  38 Fri Feb  7 10:06:22 1997  Jeffrey A Law  (law@cygnus.com)
  39
  40         * blockframe.c (generic_frame_chain_valid): If the new frame
  41         is not INNER_THAN the old frame, then it's not valid.
  42
  43 Tue Feb 04 09:04:37 1997  Mark Alexander  <marka@cygnus.com>
  44
  45         * mips-tdep.c (mips16_get_imm): Fix calculation of extended immediate.
  46         (mips16_heuristic_proc_desc): Recognize jal(x) instruction.
  47
  48 Mon Feb 03 17:57:58 1997  Mark Alexander  <marka@cygnus.com>
  49
  50         * mips-tdep.c (mips16_decode_reg_save): Distinguish between
  51         sd and sw instructions correctly.
  52         (heuristic_proc_start): Add support for MIPS16.
  53         (mips16_get_imm, mips16_heuristic_proc_desc,
  54         mips32_heuristic_proc_desc): New helper functions for
  55         heuristic_proc_desc.
  56         (heuristic_proc_desc): Rewrite and reorganize to support MIPS16.
  57         (mips_push_arguments): Don't align small arguments in EABI.
  58         (mips32_skip_prologue): Attempt to shrink code size a little.
  59
  60 start-sanitize-m32r
  61 Mon Feb  3 11:06:05 1997  Michael Snyder  <msnyder@cleaver.cygnus.com>
  62
  63         * m32r-stub.c: New -- remote protocol support for M32R cpu.
  64         * m32r-rom.c:  Several experiments with improved download time.
  65         * .Sanitize:   Add entry for m32r-stub.c
  66 end-sanitize-m32r
  67
  68 Fri Jan 31 08:26:39 1997  Mark Alexander  <marka@cygnus.com>
  69
  70         * mips-tdep.c (MIPS16_INSTLEN): Define.
  71         (mips_find_saved_regs): Replace hardcoded 2's with MIPS16_INSTLEN.
  72         (heuristic_proc_start): Recognize 'entry' pseudo-op as a start
  73         of function on MIPS16.
  74         (mips32_skip_prologue, mips16_skip_prologue): New helper functions
  75         for mips_skip_prologue.
  76         (mips_skip_prologue): Recognize both 16- and 32-bit prologues.
  77
  78 Wed Jan 29 12:45:54 1997  Michael Meissner  <meissner@tiktok.cygnus.com>
  79
  80         * config/powerpc/ppc{,le}-sim.mt (SIM): Remove the library
  81         ../sim/common/libcommon.a.
  82
  83 Tue Jan 28 15:54:13 1997  Michael Snyder  <msnyder@cleaver.cygnus.com>
  84
  85         * blockframe.c: fix a null pointer ref in generic_get_saved_register
  86
  87 Tue Jan 28 15:39:50 1997  Geoffrey Noer  <noer@cygnus.com>
  88
  89         * mn10200-tdep.c (mn10200_frame_chain): Get basic backtracing
  90         working.
  91
  92 Mon Jan 27 14:31:52 1997  Mark Alexander  <marka@cygnus.com>
  93
  94 First set of changes for mips16:
  95         * config/mips/tm-mips.h (MIPS16_BIG_BREAKPOINT,
  96         MIPS16_LITTLE_BREAKPOINT, BREAKPOINT_FROM_PC): Define.
  97         (ABOUT_TO_RETURN): Call new function mips_about_to_return.
  98         (mips_breakpoint_from_pc, mips_about_to_return): Declare.
  99         * mem-break.c (memory_breakpoint_from_pc): New function.
 100         (memory_insert_breakpoint, memory_remove_breakpoint): Use
 101         memory_breakpoint_from_pc to determine breakpoint contents and size.
 102         * target.h (memory_breakpoint_from_pc): Declare.
 103         * monitor.c (monitor_insert_breakpoint): Use memory_breakpoint_from_pc
 104         to determine size of breakpoint instruction.
 105         * mips-tdep.c (mips32_decode_reg_save, mips16_decode_reg_save):
 106         New helper functions for mips_find_saved_regs.
 107         (mips_find_saved_regs): Recognize mips16 prologues.
 108         (mips_addr_bits_remove): Strip off upper 32 bits of address
 109         when target CPU is 32 bits but CORE_ADDR is 64 bits.
 110         (mips_step_skips_delay): No branch delay slot on mips16.
 111         (gdb_print_insn_mips): Disassemble mips16 code.
 112         (mips_breakpoint_from_pc, mips_about_to_return): New functions.
 113
 114 Mon Jan 27 10:34:03 1997  Jeffrey A Law  (law@cygnus.com)
 115
 116         * tm-mn10200.h (NUM_REGS): Decrease to 12.
 117         (REGISTER_NAMES): Elimination registers not found on the mn10200.
 118         (PC_REGNUM, MDR_REGNUM, PSW_REGNUM): Corresponding changes.
 119         (LIR_REGNUM, LAR_REGNUM): Delete.  They don't exist on the mn10200.
 120
 121 Sat Jan 25 00:07:59 1997  Peter Schauer  (pes@regent.e-technik.tu-muenchen.de)
 122
 123         * dwarf2read.c:  Replace integral tag, name and form fields in
 124         internal structure definitions with the corresponding enumeration
 125         types from dwarf2.h. Add default cases to switches on enumerations
 126         where appropriate.
 127         Make quoting of string arguments in complaint messages consistent.
 128         Check for NULL returns from DW_STRING.
 129         (struct partial_die_info):  Add sibling and has_type fields, remove
 130         unused value field.
 131         (DW_*):  Move access macro definitions near the definition of the
 132         attribute structure.
 133         (struct field_info):  New structure to pass information about fields
 134         and member functions between die processing routines.
 135         (dwarf2_build_psymtabs_hard):  Set cu_header_offset.
 136         (scan_partial_symbols):  Do not enter DW_TAG_subprogram dies into
 137         the partial symbol table if the DW_AT_*_pc attributes are missing.
 138         Add file scope base type definitions to the partial symbol table.
 139         Skip over child dies if the die has a sibling attribute.
 140         (add_partial_symbol):  Enter global variables with type attributes
 141         and without location descriptors into the partial symbol table.
 142         Store value of DW_TAG_variable dies in the partial symbol table.
 143         Do not enter global variables into the minimal symbol table.
 144         Add base type definitions to the partial symbol table.
 145         (psymtab_to_symtab_1):  Use dwarf2_get_pc_bounds to determine highpc.
 146         (process_die):  Move check for DW_AT_low_pc to read_func_scope.
 147         Add a typedef symbol for base type definitions to the symbol table.
 148         Ignore DW_TAG_inlined_subroutine tags for now.
 149         (read_file_scope):  Use dwarf2_get_pc_bounds to determine pc bounds.
 150         (read_func_scope, read_lexical_block_scope):  Use dwarf2_get_pc_bounds
 151         to determine pc bounds, ignore dies with invalid bounds.
 152         (dwarf2_get_pc_bounds):  New routine to extract and validate the
 153         DW_AT_*_pc attributes of a die.
 154         (dwarf2_add_field, dwarf2_attach_fields_to_type, skip_member_fn_name,
 155         dwarf2_add_member_fn, dwarf2_attach_fn_fields_to_type):
 156         New functions to handle fields and member functions.
 157         (read_structure_scope):  Rewritten to use them.
 158         (read_array_type):  Renamed from dwarf_read_array_type.
 159         Default upper array bound to describe an array with unspecified
 160         length.
 161         Create array types in backwards order, as dwarf2 puts out the array
 162         dimensions from left to right.
 163         (read_subroutine_type):  Handle DW_TAG_unspecified_parameters,
 164         DW_AT_artificial and DW_AT_prototyped.
 165         (read_base_type):  Make an unsigned type for DW_ATE_boolean.
 166         Pass objfile to dwarf_base_type.
 167         (read_partial_die):  Use read_attribute to read in the attributes.
 168         Handle DW_AT_sibling and DW_AT_type.
 169         Follow references when determining DW_AT_name and DW_AT_external
 170         attributes of the die.
 171         Validate DW_AT_*_pc attributes.
 172         (read_full_die):  Use read_attribute to read in the attributes.
 173         (read_attribute):  New function to read an attribute described
 174         by an abbreviated attribute.
 175         (new_symbol):  Relocate symbol value for DW_TAG_label with baseaddr.
 176         Do not set SYMBOL_VALUE_ADDRESS for DW_TAG_subprogram,
 177         SYMBOL_BLOCK_VALUE for the symbol will be set later by finish_block.
 178         Change symbol class for global variables with a zero valued location
 179         descriptor to LOC_UNRESOLVED.
 180         Handle DW_AT_const_value attributes for DW_TAG_variable,
 181         DW_TAG_formal_parameter and DW_TAG_enumerator.
 182         Build a typedef symbol for DW_TAG_base_type.
 183         (dwarf2_const_value):  New routine to copy a constant value from an
 184         attribute to a symbol.
 185         (dwarf_base_type):  Use passed in objfile, not current_objfile
 186         when calling dwarf2_fundamental_type.
 187         (dump_die):  Use DW_* accessor macros to access values of attributes.
 188         (decode_locdesc):  Handle DW_OP_plus_uconst.
 189
 190 Wed Jan 22 01:31:16 1997  Geoffrey Noer  <noer@cygnus.com>
 191
 192         * mn10200-tdep.c: New file.
 193         * config/mn10200/tm-mn10200.h: New, REGISTER_SIZE is 24 bits not 32,
 194         SP_REGNUM and FP_REGNUM are different, also no lar or lir.
 195         * config/mn10200/mn10200.mt: New file.
 196         * configure.tgt: add mn10200 entry.
 197
 198 Tue Jan 21 18:32:23 1997  Stu Grossman  (grossman@lisa.cygnus.com)
 199
 200         * configure.in configure:  Check if host has libdl if doing
 201         Solaris threads.
 202
 203 Tue Jan 21 17:03:26 1997  Geoffrey Noer  <noer@cygnus.com>
 204
 205         * mn10300-tdep.c: Wrote/fixed implementations of
 206         mn10300_frame_chain, mn10300_init_extra_frame_info,
 207         mn10300_frame_saved_pc
 208         * config/mn10300/tm-mn10300.h: Redefine INIT_EXTRA_FRAME_INFO
 209         and INIT_FRAME_PC macros.
 210
 211 Tue Jan 21 17:01:20 1997  Stu Grossman  (grossman@lisa.cygnus.com)
 212
 213         * configure.in configure:  Check if host has libm.  Make sure we
 214         are using gcc when using the -export-dynamic option.  Fixes a
 215         problem with building under Solaris/SunPro cc.
 216
 217 Mon Jan 20 13:52:13 1997  Mark Alexander  <marka@cygnus.com>
 218
 219         * config/mips/{embed,embed64,embedl,embedl64}.mt:
 220         Link in simulator on MIPS embedded targets.
 221
 222 Sat Jan 18 02:31:29 1997  Peter Schauer  (pes@regent.e-technik.tu-muenchen.de)
 223
 224         * blockframe.c (frameless_look_for_prologue):  Mark frames
 225         with a zero PC as frameless to improve backtraces from core dumps
 226         caused by dereferencing a NULL function pointer.
 227
 228 Thu Jan 16 14:10:41 1997  Geoffrey Noer  <noer@cygnus.com>
 229
 230         * config/mn10300/tm-mn10300.h: fix BREAKPOINT definition.
 231
 232 Tue Jan 14 16:01:06 1997  Geoffrey Noer  <noer@cygnus.com>
 233
 234         * mn10300-tdep.c: made a lot more generic, ripping out code
 235         from copied target (no more mn10300_scan_prologue,
 236         init_extra_frame_info, and mn10300_fix_call_dummy calls)
 237         * config/mn10300/tm-mn10300.h: undefine INIT_EXTRA_FRAME_INFO
 238         and INIT_FRAME_PC macros
 239
 240 Thu Jan  9 11:44:40 1997  Michael Snyder  <msnyder@cleaver.cygnus.com>
 241
 242         * sparc-tdep.c (sparc_frame_find_saved_regs): Don't use
 243         FP_REGISTER_BYTES to compute offsets into the saved frame,
 244         since it fails for SPARC targets configured without any
 245         FP regs.  Instead, use DUMMY_STACK_REG_BUF_SIZE.
 246
 247 Mon Jan  6 11:15:14 1997  Stu Grossman  (grossman@critters.cygnus.com)
 248
 249         * symtab.c (fixup_symbol_section):  Handle NULL symbols without
 250         crashing.
 251
 252 Fri Jan  3 12:08:16 1997  Stu Grossman  (grossman@critters.cygnus.com)
 253
 254         * Makefile.in configure configure.in:  Remove ENABLE_CLIBS,
 255         ENABLE_OBS, and THREAD_DB_OBS.  These are consolidated into LIBS
 256         and CONFIG_OBS.
 257         * configure configure.in:  Clean up test cases around thread support.
 258 start-sanitize-v850
 259         * configure.tgt (v850-*-*):  Include v850ice.o and v850.lib if
 260         host is Windows.
 261 end-sanitize-v850
 262         * c-valprint.c ch-valprint.c cp-valprint.c eval.c expprint.c
 263         printcmd.c valops.c value.h values.c:  Add bfd_section arg to
 264         value_at and value_at_lazy.
 265         * coffread.c dbxread.c elfread.c mdebugread.c minsyms.c symtab.h:
 266         Add bfd_section arg to prim_record_minimal_symbol_and_info.
 267         * corefile.c gdbcore.h printcmd.c valops.c:  Use read_memory_section
 268         instead of read_memory.  It takes a bfd_section arg.
 269         * coffread.c dbxread.c elfread.c gdb-stabs.h objfiles.h:  Remove
 270         unnecessary cast for assignment of struct dbx_symfile_info.
 271         Struct objfile now uses a real pointer instead of PTR for this
 272         element.
 273         * dbxread.c (dbx_symfile_init): Stash bfd section pointers for
 274         text, data and bss into dbx_symfile_info.
 275         * exec.c (xfer_memory):  Handle transfers for user-specified
 276         sections.
 277         * findvar.c (read_var_value locate_var_value):  Copy bfd section
 278         from the symbol to the value.
 279         * gdb-stabs.h:  Add section pointers for text, data and bss
 280         sections.
 281         * maint.c (translate address command):  Add test code for overlay
 282         address translation.
 283         * printcmd.c (do_examine do_one_display):  Now takes a bfd section
 284         arg.
 285         * (print_formatted x_command):  Record current section along with
 286         current address for repeated commands.
 287         * sparc-nat.c (fetch_inferior_registers):  Change
 288         target_xfer_memory to target_{read write}_memory to allow changes
 289         to target_xfer_memory interface for section info.
 290         * symmisc.c (dump_msymbols print_symbol):  Print section
 291         assocaited with symbol.
 292         * symtab.c (fixup_symbol_section):  New routine to
 293         add section info to symbols returned by lookup_symbol.
 294         * symtab.h (struct general_symbol_info):  Add bfd section to
 295         symbols.
 296         * target.c target.h (target_xfer_memory):  Add bfd section to
 297         args.
 298         * (target_read_memory_section):  New routine to read data from a
 299         specific section.
 300         * (target_memory_bfd_section):  New global variable to pass bfd
 301         section in to targets.
 302         * valarith.c (value_add value_addr value_array):  Preserve bfd
 303         section when computing new value.
 304         * value.h (struct value):  Add bfd section to values.
 305         * values.c (allocate_value value_copy):  Initialize/preserve bfd
 306         section.
 307         * (unpack_double):  Clean up _MSC_VER conditionals to remove
 308         duplicate code.
 309 start-sanitize-v850
 310         * v850ice.c:  New module to support communication with NEC's
 311         PC-based ICE.
 312         * config/v850/tm-v850.h (REGISTER_NAMES):  Replace sp, gp, fp, and
 313         ep names with rxx names.  sp and fp are renamed via a different
 314         mechanism.
 315 end-sanitize-v850
 316
 317 Fri Jan  3 14:20:05 1997  Geoffrey Noer  <noer@cygnus.com>
 318
 319         * mn10300-tdep.c (mn10300_push_arguments): rewrote,
 320         also removed code elsewhere that made use of RP_REGNUM.
 321         * config/mn10300/tm-mn10300.h: ripped out RP_REGNUM, V0_REGNUM,
 322         ARG0_REGNUM, ARGLAST_REGNUM (all not appropriate for mn10300
 323         arch.), redefined SAVED_PC_AFTER_CALL, EXTRACT_RETURN_VALUE,
 324         EXTRACT_STRUCT_VALUE_ADDRESS, STORE_RETURN_VALUE.
 325
 326 For older changes see ChangeLog-96
 327 \f
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