gdb/ChangeLog

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