Changes by Jim Ingham:
* values.c (value_change_enclosing_type): New function. If the
new enclosing type is larger than the old one, we need to allocate
more space.
* value.h: Add value_change_enclosing_type prototype.
* valops.c (value_cast): Use it.
(value_assign): Use it.
(value_addr): Use it.
(value_ind): Use it.
(value_full_object): Use it.
2001-05-07 Daniel Berlin <dan@cgsoftware.com>
* values.c (value_static_field): Handle static fields that have a constant value.
Abstract out operations specific to particular C++ ABI's, and
invoke them through a function table. This removes the C++ ABI
dependencies scattered throughout the code, and allows us to
cleanly add support for new C++ ABI's.
* cp-abi.h, cp-abi.h, gnu-v2-abi.c, hpacc-abi.c: New files.
* c-typeprint.c, c-valprint.c, dbxread.c, eval.c, gdbtypes.c,
jv-typeprint.c, linespec.c, symtab.c, typeprint.c, valops.c:
#include "cp-abi.h". These files all use functions now declared
there.
* symtab.h (OPNAME_PREFIX_P, VTBL_PREFIX_P, DESTRUCTOR_PREFIX_P):
Deleted. These services are now provided by functions declared in
cp-abi.h.
* value.h (value_rtti_type, value_virtual_fn_field): Same.
* values.c (value_virtual_fn_field): Same, for this definition.
* valops.c (value_rtti_type): Same.
* c-typeprint.c (c_type_print_base): Use the functions from
"cp-abi.h", instead of the old macros, or hard-coded ABI-specific
tests.
* dbxread.c (record_minimal_symbol): Same.
* gdbtypes.c (get_destructor_fn_field, virtual_base_index,
virtual_base_index_skip_primaries): Same.
* jv-typeprint.c (java_type_print_base): Same.
* linespec.c (find_methods, decode_line_1): Same.
* symtab.c (gdb_mangle_name): Same.
* Makefile.in (SFILES): Add the new .c files mentioned above.
(cp_abi_h): New variable.
(COMMON_OBS): Add gnu-v2-abi.o, hpacc-abi.o, and cp-abi.o.
(cp-abi.o, gnu-v2-abi.o, hpacc-abi.o): New targets.
(c-typeprint.o, c-valprint.o, dbxread.o, eval.o, gdbtypes.o,
jv-typeprint.o, symtab.o, linespec.o, typeprint.o, valops.o): Add
dependency on $(cp_abi_h).
* values.c (value_primitive_field): Copy VALUE_REGNO as well.
With typed registers we may have the location information in this field,
in addition to VALUE_ADDRESS (which was already being copied).
functions which architectures can redefine, defaulting to
generic_pointer_to_address and generic_address_to_pointer.
* findvar.c (extract_typed_address, store_typed_address,
generic_pointer_to_address, generic_address_to_pointer): New
functions.
(POINTER_TO_ADDRESS, ADDRESS_TO_POINTER): Provide default
definitions.
(extract_address, store_address): Doc fixes.
* values.c (value_as_pointer): Doc fix.
(value_from_pointer): New function.
* defs.h (extract_typed_address, store_typed_address): New
declarations.
* inferior.h (generic_address_to_pointer,
generic_pointer_to_address): New declarations.
* value.h (value_from_pointer): New declaration.
* ax-gdb.c (const_var_ref): Use value_from_pointer, not
value_from_longest.
* blockframe.c (generic_push_dummy_frame): Use read_pc and
read_sp, not read_register.
* c-valprint.c (c_val_print): Use extract_typed_address instead of
extract_address to extract vtable entries and references.
* cp-valprint.c (cp_print_value_fields): Use value_from_pointer
instead of value_from_longest to extract the vtable's address.
* eval.c (evaluate_subexp_standard): Use value_from_pointer
instead of value_from_longest to compute `this', and for doing
pointer-to-member dereferencing.
* findvar.c (read_register): Use extract_unsigned_integer, not
extract_address.
(read_var_value): Use store_typed_address instead of store_address
for building label values.
(locate_var_value): Use value_from_pointer instead of
value_from_longest.
* hppa-tdep.c (find_stub_with_shl_get): Use value_from_pointer,
instead of value_from_longest, to build arguments to __d_shl_get.
* printcmd.c (set_next_address): Use value_from_pointer, not
value_from_longest.
(x_command): Use value_from_pointer, not value_from_longest.
* tracepoint.c (set_traceframe_context): Use value_from_pointer,
not value_from_longest.
* valarith.c (value_add, value_sub): Use value_from_pointer, not
value_from_longest.
* valops.c (find_function_in_inferior, value_coerce_array,
value_coerce_function, value_addr, hand_function_call): Same.
* value.h (COERCE_REF): Use unpack_pointer, not unpack_long.
* values.c (unpack_long): Use extract_typed_address to produce
addresses from pointers and references, not extract_address.
(value_from_longest): Use store_typed_address instead of
store_address to produce pointer and reference values.
* breakpoint.c (insert_breakpoints, remove_breakpoint)
(bpstat_stop_status, can_use_hardware_watchpoint): Don't insert,
remove, or check status of hardware watchpoints for entire structs
and arrays unless the user explicitly asked to watch that struct
or array.
(insert_breakpoints): Try to insert watchpoints for all the values
on the value chain, even if some of them fail to insert.
* values.c (value_primitive_field): Set the offset in struct value
we return when the field is a packed bitfield.
* defs.h: Move _initialize_printcmd, _initialize_stack,
_initialize_blockframe out of here and in to their respective .c files.
* blockframe.c: Move _initialize_blockframe prototype to here.
* printcmd.c: Move _initialize_printcmd prototype to here.
* stack.c: Move _initialize_stack prototype to here.
* source.c, symtab.h: Move _initialize_source prototype to the .c file.
* values.c, value.h: Move _initialize_values prototype to the .c file.
* gdbthread.h, thread.c: Move _initialize_thread prototype to the .c
file.
* breakpoint.c, breakpoint.h: Move _initialize_breakpoint prototype
to the .c file.
* abug-rom.c alpha-nat.c alpha-tdep.c annotate.c ax-gdb.c bcache.c:
Standardize comments for the prototype section of these files.
* configure.in: Look in libc for wctype before looking for it in libc.
The last one is to fix the GNU ld (~2.9.1) + Solaris 2.6 interaction problem
where an empty stub library (libw) causes a core dump when we call vasprintf
(e.g. `info br') in the final linked gdb.
Wed Jun 10 18:04:35 1998 Frank Ch. Eigler <fche@cygnus.com>
* gdbtypes.c (get_discrete_bounds): Assign unsigned type flag for
all-positive enum.
(create_set_type): Ditto for all-positive set values.
* values.c (unpack_field_as_long): Check for typedef in struct
field unpacking.
* coffread.c (decode_base_type): Treat a long field with size greater
than TARGET_LONG_BIT as long long.
* values.c (value_from_longest): Print code value in error message.
(TARGET_READ_FP): Define to d10v_read_fp rather than d10v_read_sp.
(TARGET_WRITE_FP): Define to d10v_write_fp rather than d10v_write_sp.
(d10v_write_fp, d10v_read_fp): Add prototypes.
* symtab.c (decode_line_1): Remove assignment of sals[0].pc field.
* symfile.c (simple_overlay_update, simple_overlay_update_1):
Ignore the size of overlay sections. This check is redundant anyway.
* printcmd.c (print_frame_args): Ditto.
* valops.c (value_fetch_lazy): Ditto.
* values.c (unpack_long): Ditto.
* d10v-tdep.c (d10v_frame_chain, d10v_frame_find_saved_regs,
d10v_init_extra_frame_info): Fix some minor bugs so the finish command
works properly.
(show_regs): Change num1 and num2 types from "long long" to "LONGEST".
(d10v_read_fp, d10v_write_fp): New functions.
(d10v_push_arguments): Remove unneeded assigns to "val" and "contents".
(d10v_push_arguments): Fix for pointers and structs.
(d10v_extract_return_value): Fix for pointers and chars.
Add a bunch of macros.
* coffread.c, dwarf2read.c, dwarfread.c, mdebugread.c, stabsread.c:
Update to use new macros.
* coffread.c, hpread.c, stabsread.c: Remove bugus TYPE_FIELD_VALUE.
* value.h, values.c (value_static_field): New function.
* cp-valprint.c, valops.c: Modify to use value_static_field.
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
* infcmd.c (do_registers_info): Call val_print with the
virtual buf instead of the raw buf. Needed for REGISTER_CONVERT
to work with non-floating point regs.
start-sanitize-d10v
* d10v-tdep.c (d10v_skip_prologue): If we have line debugging
information, then the end of the prologue should the first
assembly instruction of the first source line.
* values.c (value_from_longest): Put in D10V call to
fix up address pointers.
* config/d10v/tm-d10v.h (REGISTER_VIRTUAL_SIZE): Modified.
(REGISTER_VIRTUAL_TYPE): Modified for PC_REGNUM and SP_REGNUM.
(REGISTER_CONVERTIBLE): Make PC and SP convertible.
(REGISTER_CONVERT_TO_VIRTUAL): Define.
(REGISTER_CONVERT_TO_RAW): Define.
(D10V_MAKE_DADDR): Define.
(D10V_MAKE_IADDR): Define.
end-sanitize-d10v
config/mips/tm-mips.h: Add/fix bugs for 64-bit mips support.
* defs.h: Cleanup; add prototypess
* corefile.c: Change FIXME #ifdef
* win32-nat.c: Include windefs instead of windows.h.
* utils.c: Add routines for printing addresses and registers
based on type size.
before testing against reg_ptr.
* eval.c (evaluate_subexp_standard): Cast type of
TYPE_FN_FIELD_VOFFSET to int.
* findvar.c (extract_signed_integer, extract_unsigned_integer,
extract_long_unsigned_integer): Cast type of sizeof to int.
* values.c (unpack_field_as_long, modify_field): Ditto.
* valops.c (value_assign, call_function_by_hand): Ditto.
* infcmd.c (do_registers_info): Ditto.
* ser-tcp.c (tcp_open): Ditto
* remote.c (putpkt): Ditto.
* dcache.c (dcache_peek): Ditto.
* dcache.c (dcache_poke): Ditto.
* m2-exp.y (yylex): Ditto.
* gnu-regex.c (re_match_2): Ditto.
* f-lang.c (ADD_BF_SYMNUM, saved_bf_list_end, tmp_bf_ptr): Ifdef
out unused macro definition and variables.
* inftarg.c (proc_wait): Move from main.c to here, and make static.
* valprint.c (val_print_string): Change bufsize from int to unsigned.
* main.c (wait.h): Include
* top.c (command_line_input): Remove unused variable "c".
* f-typeprint.c (f_type_print_varspec_prefix): Add missing enum
value TYPE_CODE_TYPEDEF to switch statement.
(f_type_print_varspec_suffix): Add missing enum value
TYPE_CODE_TYPEDEF to switch statement.
* ch-exp.c (parse_primval): Add remaining enumeration values to
switch statement, with no specific action.
(ch_lex): Add LOC_UNRESOLVED in switch statement.
(pushback_token): Ifdef out, since code using it is ifdef'd out.
* stabsread.c (cleanup_undefined_types): Remove unused label
"badtype".
* objfiles.h (print_symbol_bcache_statistics): Add prototype.
* maint.c (objfiles.h): Include.
(maintenance_print_statistics): Remove unused variable "temp".
* minsyms.c (lookup_minimal_symbol_solib_trampoline): Remove
unused variable "found_file_symbol".
* m2-exp.y (yylex): Add LOC_UNRESOLVED case to switch.
* language.c (lang_bool_type): Use existing function local type
variable rather than create block local variables.
* solib.c (disable_break): Enclose in ifndef SVR4_SHARED_LIBS.
* infptrace.c (wait.h, command.h): Include.
* ser-tcp.c (gdb_string.h): Include
* i386-tdep.c (codestream_seek): Change "place" to CORE_ADDR.
(i386_get_frame_setup): Change "pc" from int to CORE_ADDR.
* command.c (complete_on_enum): Make assignment used as truth value
explictly check against NULL.
(wait.h): Include.
* infrun.c (wait_for_inferior): Ifdef out prologue_pc since code
that uses it is ifdef'd out.
* parser-defs.h: Add prototype for write_dollar_variable.
* infrun.c: Add prototype for write_pc_pid.
* breakpoint.h: Add prototype for re_enable_breakpoints_in_shlibs.
* symmisc.c (bcache.h): Include.
* bcache.h: Add prototype for print_bcache_statistics.
* symfile.c: Include <time.h>.
* printcmd.c (print_scalar_formatted): Change len to unsigned int.
* valarith.c (value_equal): Cast result of TYPE_LENGTH to int.
* valarith.c (value_binop): Change result_len, promoted_len1,
and promoted_len2 to unsigned int.
* valarith.c (value_subscripted_rvalue): Change elt_offs and
elt_size to unsigned int.
* valops.c (value_array): Change typelength to unsigned int.
(destructor_name_p): Change len to unsigned int.
* scm-lang.h (scm_parse): Add prototype for scm_unpack.
* symfile.c (decrement_reading_symtab): Change return type to void.
* valarith.c (value_subscript): Remove unused variable "word".
(value_subscript): Remove unused variable "tint".
* valops.c (auto_abandon): Ifdef out, since code using it is also
ifdef'd out.
* eval.c (init_array_element): Remove unused variable "val".
* Makefile.in (values.o): Depends on scm-lang.h.
(command.o): Depends upon wait_h.
(ser-tcp.o): Depends upon gdb_string.h.
(infptrace.o): Depends upon wait_h and command_h.
(maint.o): Depends on objfiles.h and symfile.h.
* values.c (allocate_repeat_value): Remove unused variable
"element_type".
(scm-lang.h): Include.
* breakpoint.c (create_longjmp_breakpoint): Enclose in
GET_LONGJMP_TARGET define, unused otherwise.
* config/i386/nm-linux.h: Add prototypes for i386_insert_watchpoint,
i386_remove_watchpoint and i386_stopped_by_watchpoint.
* c-exp.y (%union): Change dval to typed_val_float. Use DOUBLEST
to store actual data. Change types of INT and FLOAT tokens to
typed_val_int and typed_val_float respectively. Create new token
DOUBLE_KEYWORD to specify the string `double'. Make production
for FLOAT use type determined by parse_number. Add production for
"long double" data type.
* (parse_number): Use sscanf to parse numbers as float, double or
long double depending upon the type of typed_val_float.dval. Also
allow user to specify `f' or `l' suffix to explicitly specify
float or long double constants. Change typed_val to
typed_val_int.
* (yylex): Change typed_val to typed_val_int. Also, scan for
"double" keyword.
* coffread.c (decode_base_type): Add support for T_LNGDBL basic
type.
* configure, configure.in: Add check for long double support in
the host compiler.
* defs.h: Define DOUBLEST appropriatly depending on whether
HAVE_LONG_DOUBLE (from autoconf) is defined. Also, fix prototypes
for functions that handle this type.
* expression.h (union exp_element): doubleconst is now type
DOUBLEST.
* m2-exp.y f-exp.y (%union): dval becomes type DOUBLEST.
* findvar.c (extract_floating): Make return value be DOUBLEST.
Also, add support for numbers with size of long double.
* (store_floating): Arg `val' is now type DOUBLEST. Handle all
floating types.
* parser-defs.h parse.c (write_exp_elt_dblcst): Arg expelt is now
DOUBLEST.
* valarith.c (value_binop): Change temp variables v1, v2 and v to
type DOUBLEST. Coerce type of result to long double if either op
was of that type.
* valops.c (value_arg_coerce): If argument type is bigger than
double, coerce to long double.
* (call_function_by_hand): If REG_STRUCT_HAS_ADDR is defined, and
arg type is float and > 8 bytes, then use pointer-to-object
calling conventions.
* valprint.c (print_floating): Arg doub is now type DOUBLEST.
Use appropriate format and precision to print out floating point
values.
* value.h: Fixup prototypes for value_as_double,
value_from_double, and unpack_double to use DOUBLEST.
* values.c (record_latest_value): Remove check for invalid
floats. Allow history to store them so that people may examine
them in hex if they want.
* (value_as_double unpack_double): Change return value to DOUBLEST.
* (value_from_double): Arg `num' is now DOUBLEST.
* (using_struct_return): Use RETURN_VALUE_ON_STACK macro (target
specific) to expect certain types to always be returned on the stack.
character is one of the commonly used C++ marker characters.
* defs.h (is_cplus_marker): Add prototype.
* c-typeprint.c (c_type_print_base), ch-lang.c (chill_demangle),
cp-valprint.c (cp_print_class_method), mdebugread.c (parse_symbol),
stabsread.c (define_symbol, read_member_functions, read_struct_fields),
symtab.h (OPNAME_PREFIX_P, VTBL_PREFIX_P, DESTRUCTOR_PREFIX_P),
values.c (vb_match): Use is_cplus_marker instead of comparison
with CPLUS_MARKER.
(COERCE_ENUM): Don't COERCE_REF.
(COERCE_NUMBER): New macro (same as COERCE_ARRAY then COERCE_ENUM).
* valops.c (value_assign): Only do COERCE_ARRAY if internalvar (let
value_cast handle it otherwise); do *not* COERCE_ENUM either way.
* valarith.c: Use COERCE_NUMBER instead od COEREC_ARRAY.
Add COERCE_REF before COERCE_ENUM.
* values.c (value_as_long): Simplify.
This fixes PR chill/8869.
* valops.c (value_array): Create internalvar if !c_style_arrays.
* ch-exp.c: New file. Use recursive-descent.
Recognize labelled array tuples and powerset ranges.
* Makefile.in: Update for no longer using yacc for ch-exp.
* c-lang.c: Make various functions non-static.
* c-lang.h: Add bunches of prototypes.
* cp-valprint.c (cp_print_value_fields): Also take address.
(cp_print_value): Likewise. Use baselcass_offset.
* stabsread.c (current_symbol): New static variable.
(type_synonym_name): Remove.
(read_type): If copying, make copy be a TYPE_CODE_TYPEDEF.
(read_array_type): Don't need to handle undefined element type here.
(cleanup_undefined_types): Ditto.
(read_range_type): Look for Chill ranges.
* valops.c (value_assign): Fix case lval_internalvar - don't try
to assign into old value (which might be too small!).
(value_coerce_array): No longer need special VALUE_REPEATED handling.
(value_arg_coerce): Cleaner array->pointer decay mechanism.
(search_struct_field): Use baseclass_offset rather than
baseclass_addr.
(value_slice): Use get_discrete_bounds.
* value.h (COERCE_VARYING_ARRAY): Take type argumnt as well.
* values.c (baseclass_offset): Change parameter interface.
(baseclass_addr): Removed.
* c-typeprint.c, c-valprint.c, ch-valprint.c, values.c, valops.c:
Add check_typedef/CHECK_TYPEDEF as needed.
a value of that type; use that instead of setting VALUE_REPEATED.
* value.h (struct value): Remove fields repetitions and repeated.
(VALUE_REPEATED, VALUE_REPETITIONS): Removed, no longer used.
* c-valprint.c, ch-valprint.c, eval.c, printcmd.c, valops.c,
value.h, values.c: Simplify, since now VALUE_REPEATED is never used.
* valprint.c (value_print_array_elemen): Removed never-used function.
* expprint.c (print_subexp): Add OP_NAME support.
* parse.c (length_of_subexp, prefixify_subexp): Likewise.
* scm-lang.c (scm_unpack, in_eval_c, scm_lookup_name): new function.
* scm-lang.h: Declare builtin_type_scm; other minor tweaks.
* values.c (unpack_long): If type is SCM, call scm_unpack.
* scm-valprint.c (scm_val_print): Use extract_signed_integer,
instead unpack_long
* scm-lang.c: More Scheme expression parsing from here ...
* scm-exp.c: ... to here. New file.
Also, provide for gdb to evaluate simple constants and names..
* Makefile.in: Note new scm-exp.{c,o}.
* configure: Rebuilt.
* symtab.c (list_symbols): Add missing blank after
`<function, no debug info>' output.
* valops.c (value_assign): Handle truncation when assigning
to bitfields. Use value_copy to construct the return value
from toval.
* values.c (value_copy): Copy VALUE_FRAME and VALUE_OPTIMIZED_OUT.
Daniel Berlin
Jim Blandy
J.T. Conklin
Kevin Buettner
David Taylor
Andrew Cagney
Fernando Nasser
Michael Snyder
Stan Shebs
Jason Molenda
Mark Alexander
Peter Schauer
Frank Ch. Eigler
Fred Fish
Per Bothner
Stu Grossman
Martin Hunt
Jim Wilson
Dawn Perchik