gdb/ChangeLog

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