* dwarf2read.c (dwarf2_linkage_name): New function to get

[binutils.git] / gdb / ChangeLog

Sat Feb  8 01:14:43 1997  Peter Schauer  ([email protected])

        * dwarf2read.c (dwarf2_linkage_name):  New function to get
        the linkage name of a die from DW_AT_MIPS_linkage_name or
        DW_AT_name.
        (read_func_scope, dwarf2_add_field, dwarf2_add_member_fn,
        new_symbol):  Use it instead of accessing DW_AT_name.
        (read_partial_die):  Use DW_AT_MIPS_linkage name as name of the
        partial die if present.
        (dwarf2_add_member_fn):  Make a copy of physname on the type obstack.

Fri Feb  7 10:06:22 1997  Jeffrey A Law  ([email protected])

        * blockframe.c (generic_frame_chain_valid): If the new frame
        is not INNER_THAN the old frame, then it's not valid.

Tue Feb 04 09:04:37 1997  Mark Alexander  <[email protected]>

        * mips-tdep.c (mips16_get_imm): Fix calculation of extended immediate.
        (mips16_heuristic_proc_desc): Recognize jal(x) instruction.

Mon Feb 03 17:57:58 1997  Mark Alexander  <[email protected]>

        * mips-tdep.c (mips16_decode_reg_save): Distinguish between
        sd and sw instructions correctly.
        (heuristic_proc_start): Add support for MIPS16.
        (mips16_get_imm, mips16_heuristic_proc_desc,
        mips32_heuristic_proc_desc): New helper functions for
        heuristic_proc_desc.
        (heuristic_proc_desc): Rewrite and reorganize to support MIPS16.
        (mips_push_arguments): Don't align small arguments in EABI.
        (mips32_skip_prologue): Attempt to shrink code size a little.

start-sanitize-m32r
Mon Feb  3 11:06:05 1997  Michael Snyder  <[email protected]>

        * m32r-stub.c: New -- remote protocol support for M32R cpu.
        * m32r-rom.c:  Several experiments with improved download time.
        * .Sanitize:   Add entry for m32r-stub.c
end-sanitize-m32r

Fri Jan 31 08:26:39 1997  Mark Alexander  <[email protected]>

        * mips-tdep.c (MIPS16_INSTLEN): Define.
        (mips_find_saved_regs): Replace hardcoded 2's with MIPS16_INSTLEN.
        (heuristic_proc_start): Recognize 'entry' pseudo-op as a start
        of function on MIPS16.
        (mips32_skip_prologue, mips16_skip_prologue): New helper functions
        for mips_skip_prologue.
        (mips_skip_prologue): Recognize both 16- and 32-bit prologues.

Wed Jan 29 12:45:54 1997  Michael Meissner  <[email protected]>

        * config/powerpc/ppc{,le}-sim.mt (SIM): Remove the library
        ../sim/common/libcommon.a.

Tue Jan 28 15:54:13 1997  Michael Snyder  <[email protected]>

        * blockframe.c: fix a null pointer ref in generic_get_saved_register

Tue Jan 28 15:39:50 1997  Geoffrey Noer  <[email protected]>

        * mn10200-tdep.c (mn10200_frame_chain): Get basic backtracing
        working.

Mon Jan 27 14:31:52 1997  Mark Alexander  <[email protected]>

First set of changes for mips16:
        * config/mips/tm-mips.h (MIPS16_BIG_BREAKPOINT,
        MIPS16_LITTLE_BREAKPOINT, BREAKPOINT_FROM_PC): Define.
        (ABOUT_TO_RETURN): Call new function mips_about_to_return.
        (mips_breakpoint_from_pc, mips_about_to_return): Declare.
        * mem-break.c (memory_breakpoint_from_pc): New function.
        (memory_insert_breakpoint, memory_remove_breakpoint): Use
        memory_breakpoint_from_pc to determine breakpoint contents and size.
        * target.h (memory_breakpoint_from_pc): Declare.
        * monitor.c (monitor_insert_breakpoint): Use memory_breakpoint_from_pc
        to determine size of breakpoint instruction.
        * mips-tdep.c (mips32_decode_reg_save, mips16_decode_reg_save):
        New helper functions for mips_find_saved_regs.
        (mips_find_saved_regs): Recognize mips16 prologues.
        (mips_addr_bits_remove): Strip off upper 32 bits of address
        when target CPU is 32 bits but CORE_ADDR is 64 bits.
        (mips_step_skips_delay): No branch delay slot on mips16.
        (gdb_print_insn_mips): Disassemble mips16 code.
        (mips_breakpoint_from_pc, mips_about_to_return): New functions.

Mon Jan 27 10:34:03 1997  Jeffrey A Law  ([email protected])

        * tm-mn10200.h (NUM_REGS): Decrease to 12.
        (REGISTER_NAMES): Elimination registers not found on the mn10200.
        (PC_REGNUM, MDR_REGNUM, PSW_REGNUM): Corresponding changes.
        (LIR_REGNUM, LAR_REGNUM): Delete.  They don't exist on the mn10200.

Sat Jan 25 00:07:59 1997  Peter Schauer  ([email protected])

        * dwarf2read.c:  Replace integral tag, name and form fields in
        internal structure definitions with the corresponding enumeration
        types from dwarf2.h. Add default cases to switches on enumerations
        where appropriate.
        Make quoting of string arguments in complaint messages consistent.
        Check for NULL returns from DW_STRING.
        (struct partial_die_info):  Add sibling and has_type fields, remove
        unused value field.
        (DW_*):  Move access macro definitions near the definition of the
        attribute structure.
        (struct field_info):  New structure to pass information about fields
        and member functions between die processing routines.
        (dwarf2_build_psymtabs_hard):  Set cu_header_offset.
        (scan_partial_symbols):  Do not enter DW_TAG_subprogram dies into
        the partial symbol table if the DW_AT_*_pc attributes are missing.
        Add file scope base type definitions to the partial symbol table.
        Skip over child dies if the die has a sibling attribute.
        (add_partial_symbol):  Enter global variables with type attributes
        and without location descriptors into the partial symbol table.
        Store value of DW_TAG_variable dies in the partial symbol table.
        Do not enter global variables into the minimal symbol table.
        Add base type definitions to the partial symbol table.
        (psymtab_to_symtab_1):  Use dwarf2_get_pc_bounds to determine highpc.
        (process_die):  Move check for DW_AT_low_pc to read_func_scope.
        Add a typedef symbol for base type definitions to the symbol table.
        Ignore DW_TAG_inlined_subroutine tags for now.
        (read_file_scope):  Use dwarf2_get_pc_bounds to determine pc bounds.
        (read_func_scope, read_lexical_block_scope):  Use dwarf2_get_pc_bounds
        to determine pc bounds, ignore dies with invalid bounds.
        (dwarf2_get_pc_bounds):  New routine to extract and validate the
        DW_AT_*_pc attributes of a die.
        (dwarf2_add_field, dwarf2_attach_fields_to_type, skip_member_fn_name,
        dwarf2_add_member_fn, dwarf2_attach_fn_fields_to_type):
        New functions to handle fields and member functions.
        (read_structure_scope):  Rewritten to use them.
        (read_array_type):  Renamed from dwarf_read_array_type.
        Default upper array bound to describe an array with unspecified
        length.
        Create array types in backwards order, as dwarf2 puts out the array
        dimensions from left to right.
        (read_subroutine_type):  Handle DW_TAG_unspecified_parameters,
        DW_AT_artificial and DW_AT_prototyped.
        (read_base_type):  Make an unsigned type for DW_ATE_boolean.
        Pass objfile to dwarf_base_type.
        (read_partial_die):  Use read_attribute to read in the attributes.
        Handle DW_AT_sibling and DW_AT_type.
        Follow references when determining DW_AT_name and DW_AT_external
        attributes of the die.
        Validate DW_AT_*_pc attributes.
        (read_full_die):  Use read_attribute to read in the attributes.
        (read_attribute):  New function to read an attribute described
        by an abbreviated attribute.
        (new_symbol):  Relocate symbol value for DW_TAG_label with baseaddr.
        Do not set SYMBOL_VALUE_ADDRESS for DW_TAG_subprogram,
        SYMBOL_BLOCK_VALUE for the symbol will be set later by finish_block.
        Change symbol class for global variables with a zero valued location
        descriptor to LOC_UNRESOLVED.
        Handle DW_AT_const_value attributes for DW_TAG_variable,
        DW_TAG_formal_parameter and DW_TAG_enumerator.
        Build a typedef symbol for DW_TAG_base_type.
        (dwarf2_const_value):  New routine to copy a constant value from an
        attribute to a symbol.
        (dwarf_base_type):  Use passed in objfile, not current_objfile
        when calling dwarf2_fundamental_type.
        (dump_die):  Use DW_* accessor macros to access values of attributes.
        (decode_locdesc):  Handle DW_OP_plus_uconst.

Wed Jan 22 01:31:16 1997  Geoffrey Noer  <[email protected]>

        * mn10200-tdep.c: New file.
        * config/mn10200/tm-mn10200.h: New, REGISTER_SIZE is 24 bits not 32,
        SP_REGNUM and FP_REGNUM are different, also no lar or lir.
        * config/mn10200/mn10200.mt: New file.
        * configure.tgt: add mn10200 entry.

Tue Jan 21 18:32:23 1997  Stu Grossman  ([email protected])

        * configure.in configure:  Check if host has libdl if doing
        Solaris threads.

Tue Jan 21 17:03:26 1997  Geoffrey Noer  <[email protected]>

        * mn10300-tdep.c: Wrote/fixed implementations of
        mn10300_frame_chain, mn10300_init_extra_frame_info,
        mn10300_frame_saved_pc
        * config/mn10300/tm-mn10300.h: Redefine INIT_EXTRA_FRAME_INFO
        and INIT_FRAME_PC macros.

Tue Jan 21 17:01:20 1997  Stu Grossman  ([email protected])

        * configure.in configure:  Check if host has libm.  Make sure we
        are using gcc when using the -export-dynamic option.  Fixes a
        problem with building under Solaris/SunPro cc.

Mon Jan 20 13:52:13 1997  Mark Alexander  <[email protected]>

        * config/mips/{embed,embed64,embedl,embedl64}.mt:
        Link in simulator on MIPS embedded targets.

Sat Jan 18 02:31:29 1997  Peter Schauer  ([email protected])

        * blockframe.c (frameless_look_for_prologue):  Mark frames
        with a zero PC as frameless to improve backtraces from core dumps
        caused by dereferencing a NULL function pointer.

Thu Jan 16 14:10:41 1997  Geoffrey Noer  <[email protected]>

        * config/mn10300/tm-mn10300.h: fix BREAKPOINT definition.

Tue Jan 14 16:01:06 1997  Geoffrey Noer  <[email protected]>

        * mn10300-tdep.c: made a lot more generic, ripping out code
        from copied target (no more mn10300_scan_prologue,
        init_extra_frame_info, and mn10300_fix_call_dummy calls)
        * config/mn10300/tm-mn10300.h: undefine INIT_EXTRA_FRAME_INFO
        and INIT_FRAME_PC macros

Thu Jan  9 11:44:40 1997  Michael Snyder  <[email protected]>

        * sparc-tdep.c (sparc_frame_find_saved_regs): Don't use 
        FP_REGISTER_BYTES to compute offsets into the saved frame, 
        since it fails for SPARC targets configured without any
        FP regs.  Instead, use DUMMY_STACK_REG_BUF_SIZE.  

Mon Jan  6 11:15:14 1997  Stu Grossman  ([email protected])

        * symtab.c (fixup_symbol_section):  Handle NULL symbols without
        crashing.

Fri Jan  3 12:08:16 1997  Stu Grossman  ([email protected])

        * Makefile.in configure configure.in:  Remove ENABLE_CLIBS,
        ENABLE_OBS, and THREAD_DB_OBS.  These are consolidated into LIBS
        and CONFIG_OBS.
        * configure configure.in:  Clean up test cases around thread support.
start-sanitize-v850
        * configure.tgt (v850-*-*):  Include v850ice.o and v850.lib if
        host is Windows.
end-sanitize-v850
        * c-valprint.c ch-valprint.c cp-valprint.c eval.c expprint.c
        printcmd.c valops.c value.h values.c:  Add bfd_section arg to
        value_at and value_at_lazy.
        * coffread.c dbxread.c elfread.c mdebugread.c minsyms.c symtab.h:
        Add bfd_section arg to prim_record_minimal_symbol_and_info.
        * corefile.c gdbcore.h printcmd.c valops.c:  Use read_memory_section
        instead of read_memory.  It takes a bfd_section arg.
        * coffread.c dbxread.c elfread.c gdb-stabs.h objfiles.h:  Remove
        unnecessary cast for assignment of struct dbx_symfile_info.
        Struct objfile now uses a real pointer instead of PTR for this
        element.
        * dbxread.c (dbx_symfile_init): Stash bfd section pointers for
        text, data and bss into dbx_symfile_info.
        * exec.c (xfer_memory):  Handle transfers for user-specified
        sections.
        * findvar.c (read_var_value locate_var_value):  Copy bfd section
        from the symbol to the value.
        * gdb-stabs.h:  Add section pointers for text, data and bss
        sections.
        * maint.c (translate address command):  Add test code for overlay
        address translation.
        * printcmd.c (do_examine do_one_display):  Now takes a bfd section
        arg.
        * (print_formatted x_command):  Record current section along with
        current address for repeated commands.
        * sparc-nat.c (fetch_inferior_registers):  Change
        target_xfer_memory to target_{read write}_memory to allow changes
        to target_xfer_memory interface for section info.
        * symmisc.c (dump_msymbols print_symbol):  Print section
        assocaited with symbol.
        * symtab.c (fixup_symbol_section):  New routine to
        add section info to symbols returned by lookup_symbol.
        * symtab.h (struct general_symbol_info):  Add bfd section to
        symbols.
        * target.c target.h (target_xfer_memory):  Add bfd section to
        args.
        * (target_read_memory_section):  New routine to read data from a
        specific section.
        * (target_memory_bfd_section):  New global variable to pass bfd
        section in to targets.
        * valarith.c (value_add value_addr value_array):  Preserve bfd
        section when computing new value.
        * value.h (struct value):  Add bfd section to values.
        * values.c (allocate_value value_copy):  Initialize/preserve bfd
        section.
        * (unpack_double):  Clean up _MSC_VER conditionals to remove
        duplicate code.
start-sanitize-v850
        * v850ice.c:  New module to support communication with NEC's
        PC-based ICE.
        * config/v850/tm-v850.h (REGISTER_NAMES):  Replace sp, gp, fp, and
        ep names with rxx names.  sp and fp are renamed via a different
        mechanism.
end-sanitize-v850

Fri Jan  3 14:20:05 1997  Geoffrey Noer  <[email protected]>

        * mn10300-tdep.c (mn10300_push_arguments): rewrote,
        also removed code elsewhere that made use of RP_REGNUM.
        * config/mn10300/tm-mn10300.h: ripped out RP_REGNUM, V0_REGNUM,
        ARG0_REGNUM, ARGLAST_REGNUM (all not appropriate for mn10300
        arch.), redefined SAVED_PC_AFTER_CALL, EXTRACT_RETURN_VALUE,
        EXTRACT_STRUCT_VALUE_ADDRESS, STORE_RETURN_VALUE.

For older changes see ChangeLog-96
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