gdb/ChangeLog

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