gdb/ChangeLog

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