gdb/ChangeLog

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