arguments. Sorting is now dependent on OBJF_REORDERED. All
callers/references changed.
* dbxread.c (read_ofile_symtab): Correctly determine value for
last_source_start_addr for reordered executables.
(process_one_symbol): Handle N_FUN with no name as an end of
function marker.
* partial-stab.h (case N_FN, N_TEXT): Don't assume CUR_SYMBOL_VALUE
is the high text address for a psymtab.
(case N_SO): Likewise.
(case N_FUN): Handle N_FUN with no name as an end of function
marker.
* minsyms.c (lookup_minimal_symbol_by_pc): Examine all symbols
at the same address rather than a random subset of them.
* coffread.c (coff_symfile_init): Set OBJF_REORDERED.
* elfread.c (elf_symfile_init): Similarly.
* somread.c (som_symfile_init): Similarly.
* xcoffread.c (xcoff_symfile_init): Similarly.
Support for debugging reordered executables. Remaining mentor vm
changes.
Recognize enums from alpha cc -migrate.
(upgrade_type): Pass correct fd to parse_symbol when parsing
the index type of an array.
(parse_procedure, parse_lines, psymtab_to_symtab_1): Handle
unsorted procedure descriptors from Irix 5.x and Alpha OSF/1-3.x
shared libraries. Use CORE_ADDR instead of `unsigned long' in
procedure descriptor address computations.
* symtab.c (decode_line_1): Prevent accidental strchr match
of a null character with the terminating null character of
gdb_completer_quote_characters.
(cplusplus_hint): Make sure that only a single quote is printed
in the hint message.
and dependencies_used after finishing the partial symbol table.
* rs6000-nat.c (xcoff_relocate_core): Don't relocate data
addresses for the main objfile if DONT_RELOCATE_SYMFILE_OBJFILE
is defined.
* xcoffread.c: gcc -Wall lint. Remove traceback table reading
code. The existing code tried to add parameter information for
functions compiled without -g, which cannot be done properly
for optimized code and produced misleading parameter displays.
(ef_complaint, eb_complaint): Make a local static copy to avoid
dependency on coffread.c.
(read_xcoff_symtab, process_xcoff_symbol, scan_xcoff_symtab):
Enter C_EXT/C_HIDEXT symbols into the minimal symbol table only.
(read_xcoff_symtab): Ignore C_STAT section auxiliary entry
symbols. Complain about unmatched .ef and .eb symbols instead of
segfaulting.
(process_xcoff_symbol): Determine value of C_GSYM symbols via
the global_sym_chain mechanism in stabsread.c.
(xcoff_new_init): Call stabsread_new_init and buildsym_new_init.
(init_string_tab): Initialize length field bytes in the strtbl.
(scan_xcoff_symtab): Skip symbols that start with `$' or `.$'.
Set first_fun_line_offset for symbols with two auxents only.
Determine signedness of enum type from enumerators.
(parse_type): Handle btIndirect types, handle fBitfield for
some non-member types.
(upgrade_type): Use TYPE_FLAG_TARGET_STUB for arrays with
unknown length.
(cross_ref): Handle stIndirect forward reference to btTypedef.
* stabsread.c (read_enum_type): Determine signedness of enum
type from enumerators.
* top.c (execute_command): Remove trailing whitespace from
command arguments, except for `set' and `complete' commands.
(validate_comname): Allow underscores in user defined command
names.
* values.c (modify_field): Change `Value does not fit in %d bits'
error to a warning. Exclude sign extension bits of negative field
values from fit check.
symbols, their value is the displacement from the procedure address.
* top.c (init_main): Add missing newlines to help strings for
`if' and `while' commands, fix help string for `show commands'.
nodebug_var_symbol_type as type of variables which don't have any
ecoff debug info associated with them.
(parse_symbol, parse_procedure): Use heuristics to determine if
functions were compiled without debugging info and change their
type to nodebug_function_symbol_type.
(_initialize_mdebugread): Initialize nodebug_*_symbol_type.
* source.c (line_info): Clear sal.pc for `info line' without
arguments.
sparc-tdep.c (supply_gregset, supply_fpregset): Fill inaccessible
registers with zero to handle recent read_register_bytes change.
* irix4-nat.c, irix5-nat.c, mipsv4-nat.c (supply_gregset,
fill_gregset): Fix handling of CAUSE_REGNUM.
* mips-nat.c (store_inferior_registers): Handle unwritable
registers when storing a single register.
* config/mips/tm-irix3.h (CAUSE_REGNUM, BADVADDR_REGNUM):
Fix definitions.
* mdebugread.c (parse_symbol, psymtab_to_symtab_1): Clear
allocated mips_extra_func_info, if the debug info is corrupt,
the PDR to fill it in might be missing.
pdr.framereg field of MIPS_EFI_SYMBOL_NAME symbol to -1. That way
we know whether the PDR ever got set.
* mips-tdep.c (find_proc_desc): If pdr.framereg field is -1, don't
use the PDR, just examine prologues instead.
since that functionality has been re-written.
* coffread.c: Remove commented-out add_param_to_type support.
* mdebugread.c (parse_symbol): Likewise.
* stabsread.c (define_symbol): Likewise.
OP_UNDETERMINED_ARGLIST (no backtracking, more general).
* f-valprint.c (f_val_print): Print TYPE_CODE_STRING using
LA_PRINT_STRING, and not val_print_string (which reads from inferior).
* ch-lang.c (chill_is_varying_struct), ch-lang.h: Remve function
duplicate function made redundant by chill_varying_type.
Re-write of f77 string and complex number support:
* language.h (struct language_defn): New fields string_lower_bound
and string_char_type.
* c-lang.c (c_language_defn, cplus_language_defn, asm_language_defn),
language.c (unknown_language_defn, auto_language_defn,
local_language_defn), m2-lang.c (m2_language_defn), f-lang.c
(f_language_defn), ch-lang.c (chill_language_defn): Set new fields.
* gdbtypes.c (create_string_type): Use new string_char_type field.
* valops.c (value_string): Use new string_lower_bound field.
* defs.h (TARGET_COMPLEX_BIT, TARGET_DOUBLE_COMPLEX_BIT): Removed.
* f-lang.c (f_create_fundamental_type, _initialize_f_language),
m2-lang.c (m2_create_fundamental_type),
gdbtypes.c (_initialize_gdbtypes): Set TYPE_TARGET_TYPE of complex
types. Set their TYPE_CODEs to TYPE_CODE_COMPLEX.
* mdebugread.c (mdebug_type_complex, mdebug_type_double_complex):
Removed. Use builtin_type_complex and builtin_type_double_complex.
* gdbtypes.h (enum type_code): Removed TYPE_CODE_LITERAL_STRING
and TYPE_CODE_LITERAL_COMPLEX.
* c-typeprint.c, f-typeprint.c, f-valprint.c, eval.c: Removed uses of
TYPE_CODE_LITERAL_STRING and TYPE_CODE_LITERAL_COMPLEX.
* gdbtypes.c, gdbtypes.h (f77_create_literal_complex_type,
f77_create_literal_string_type): Removed.
* value.h (VALUE_LITERAL_DATA, VALUE_SUBSTRING_MEMADDR,
VALUE_SUBSTRING_MYADDR): Removed.
* expression.h (enum exp_opcode): Rename OP_F77_LITERAL_COMPLEX to
OP_COMPLEX.
* parse.c: Update accordingly.
* f-valprint.c (f77_print_cmplx): Removed.
(f_val_print case TYPE_CODE_COMPLEX): Re-write to use print_floating.
* f-exp.y (STRING_LITERAL): Use OP_STRING instead of OP_ARRAY.
* eval.c (evaluate_subexp): For case OP_ARRAY, don't call
f77_value_literal_string.
* valops.c, value.h (f77_value_literal_string, f77_value_substring,
f77_assign_from_literal_string, f77_assign_from_literal_complex):
Removed.
(value_assign): No longer need to handle literal types.
* valops.c (f77_value_literal_complex), value.h: Re-written and
renamed to value_literal_complex. Last arg is now a (complex) type.
* valops.c (f77_cast_into_complex): Re-written and renamed to
cast_into_complex.
* eval.c (evaluate_subexp): Update accordingly.
* symfile.h (ADD_PSYMBOL_VT_TO_LIST),
symfile.c (add_psymbol_to_list, add_psymbol_addr_to_list):
No longer demangle partial symbols.
* symtab.c (lookup_symbol, list_symbols): Handle mangled
variables, e.g. C++ static members, via the minimal symbols.
Handle reordered functions in an objfile, for Irix 5.2 shared
libraries.
* objfiles.h (OBJF_REORDERED): New bit in the objfile flags,
set if the functions in an objfile are reordered.
* mdebugread.c (parse_partial_symbols): Detect reordered
functions in an objfile.
* symtab.c (find_pc_psymtab, find_pc_symtab): Use expensive
lookup algorithm if the functions in the objfile are reordered.
* xcoffexec.c (exec_close): If the current target has a copy
of the exec_ops sections, reflect the freeing of the sections
in current_target.
* valops.c (call_function_by_hand): Use `sizeof dummy1', not
`sizeof dummy', for constructing the call dummy code.
* config/sparc/tm-sparc.h: Add PARAMS declarations to all
function declarations.
* sparc-tdep.c (sparc_pop_frame): Cast result of
read_memory_integer to CORE_ADDR when passing it to PC_ADJUST.
* irix5-nat.c (enable_break): Set breakpoint at the entry point
of the executable, to handle the case where main resides in a
shared library.
* irix5-nat.c (solib_create_inferior_hook): Reset stop_soon_quietly
after shared library symbol reading, to get rid of a warning from
heuristic_proc_start if the startup code has no symbolic debug info.
* breakpoint.h (struct breakpoint): Add new fields language
and input_radix, to enable breakpoint resetting with the
proper language and radix.
* breakpoint.c (set_raw_breakpoint): Initialize them.
(breakpoint_re_set_one): Use them when resetting the breakpoint.
(breakpoint_re_set): Preserve current language and input_radix
across breakpoint_re_set_one calls.
* symtab.c (decode_line_1): Do not build a canonical line
specification for `*expr' line specifications.
* breakpoint.h (bpstat_stop_status): Fix prototype declaration.
change by replacing `symbols_added' with `so_last'.
* mdebugread.c (parse_external, parse_partial_symbols): Ignore
global common symbols, they will be resolved by the runtime loader.
* mdebugread.c (parse_symbol, parse_partial_symbols, cross_ref):
Handle scSCommon like scCommon symbols.
ecoff_swap_rndx_in directly; use the debug_swap pointer instead.
(upgrade_type, handle_psymbol_enumerators): Likewise.
(has_opaque_xref, cross_ref): Likewise.
(elfmdebug_build_psymtabs): Call swap->read_debug_info to read
debugging information, rather than doing it here.
* mipsread.c (mipscoff_symfile_read): Call read_debug_info entry
point in ecoff_debug_swap backend structure, rather than calling
ecoff_slurp_symbolic_info directly.
of inftarg.o.
* config/m68k/tm-dpx2.h (CANNOT_STORE_REGISTER): Define to inhibit
writing of floating registers, the dpx2 kernel disallows it.
* irix5-nat.c (LM_ADDR): The loaded address of the shared library
is contained in o_praw.
* irix5-nat.c (solib_map_sections): Adjust sections by the
difference between the loaded address and the prelinked address.
* irix5-nat.c (solib_address): Use LM_ADDR for the loaded start
address.
* mdebugread.c (parse_symbol): Do not relocate stEnd/scText
symbols, their value is absolute.
* mdebugread.c (parse_partial_symbols): Handle Irix 5.2 shared
libraries fh->adr fields of zero. Relocate minimal symbol values
upon readin. Relocate non-stabs symbols upon readin.
* mdebugread.c (psymtab_to_symtab_1): Use pst->textlow for the
start address of the outermost block.
* mdebugread.c (parse_lines, parse_procedure): Pass in pst
instead of section_offsets and use relocated pst->textlow for
line number and procedure address relocations.
From gmo@MicroUnity.com (Guillermo A. Loyola):
* mdebugread.c (parse_symbol, parse_partial_symbols, cross_ref):
Handle SGI Irix5 stIndirect symbol type.
for stabs symtabs.
* mips-tdep.c (mips_skip_prologue): Handle prologues for functions
that have a stack frame size of 32k or larger (from Paul Flinders).
Remove #if 0'd code.
are in the .plt section.
* minsyms.c (lookup_solib_trampoline_symbol_by_pc,
find_solib_trampoline_target): New functions for handling
stepping into -g compiled shared libraries.
* symtab.h (lookup_solib_trampoline_symbol_by_pc,
find_solib_trampoline_target): Add prototypes.
* config/tm-sunos.h (IN_SOLIB_TRAMPOLINE, SKIP_TRAMPOLINE_CODE):
Define to handle stepping into -g compiled shared libraries.
* config/tm-sysv4.h (SKIP_TRAMPOLINE_CODE): Define to handle
stepping into -g compiled shared libraries.
* configure.in: Add mips-*-sysv4* support.
* config/mips/mipsv4.mh, config/mips/mipsv4.mt,
config/mips/tm-mipsv4.h, config/mips/xm-mipsv4.h, mipsv4-nat.c:
New files for MIPS SVR4 support.
* Makefile.in: Update for new mipsv4 files.
* alpha-tdep.c (heuristic_proc_desc, find_proc_desc): Use
read_next_frame_reg to obtain the frame relative stack pointer.
* mips-tdep.c (heuristic_proc_desc): Use read_next_frame_reg to
obtain the frame relative stack pointer.
* mdebugread.c (parse_partial_symbols, psymtab_to_symtab1):
Handle stStatic and stStaticProc symbols in stabs-in-ecoff output
by entering them into the minimal symbol table.
* printcmd.c (print_scalar_formatted): Do not try to unpack to
a long for float formats.
* solib.c: Include "elf/mips.h" only if DT_MIPS_RLD_MAP does not
get defined in <link.h>.
* solib.c (solib_add): Add shared library sections to the section
table of the target before adding the symbols.
* partial-stab.h: Relocate static and global functions.
* dbxread.c (read_dbx_symtab): Remove unused variable
end_of_text_address. Relocate text_addr when passing it
to end_psymtab.
For Alpha OSF/1 targets, enable gdb to set breakpoints in shared
library functions before the executable is run. Retrieve dynamic
symbols from stripped executables.
* mipsread.c (read_alphacoff_dynamic_symtab): New function.
* mipsread.c (mipscoff_symfile_read): Use it. Issue warning message
if no debugging symbols were found.
* alpha-tdep.c (alpha_skip_prologue): Silently return the unaltered
pc if memory at the pc is not accessible and GDB_TARGET_HAS_SHARED_LIBS
is defined.
* config/alpha/nm-alpha.h (GDB_TARGET_HAS_SHARED_LIBS): Define,
OSF/1 has shared libraries.
match_bitstring_literal): Guard tolower calls with isupper,
tolower on old BSD systems blindly subtracts a constant.
* dbxread.c (read_ofile_symtab): Check for __gnu_compiled_* as
well when determining the producer of the object file.
* mdebugread.c (has_opaque_xref): New function to check for
cross reference to an opaque aggregate.
* mdebugread.c (parse_symbol, parse_partial_symbols): Do not
enter typedefs to opaque aggregates into the symbol tables.
* mdebugread.c (parse_external): Remove skip_procedures argument,
it has always been 1. Remove code that handled stProc symbols,
it was never executed and was wrong, as the index of a
stProc symbol points to the local symbol table and not to the
auxiliary symbol info. Update caller.
* mdebugread.c (parse_partial_symbols): Do not enter external
stProc symbols into the partial symbol table, they are already
entered into the minimal symbol table.
* config/i386/tm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
I386_REGNO_TO_SYMMETRY moved to here from symm-tdep.c.
Fix addresses of floating point registers in REGISTER_U_ADDR.
STORE_STRUCT_RETURN now handles cc and gcc conventions.
FRAME_CHAIN, FRAMELESS_FUNCTION_INVOCATION, FRAME_SAVED_PC,
IN_SIGTRAMP, SIGCONTEXT_PC_OFFSET defined to make backtracing through
signal trampoline code work.
* config/i386/xm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
Remove KDB definitions.
* symm-nat.c (store_inferior_registers): Fetch registers before
storing them to obtain valid floating point control registers.
Store fpu registers.
* symm-nat.c (print_1167_control_word): Dynix 3.1.1 defines
FPA_PCR_CC_C0 and FPA_PCR_CC_C1, avoid duplicate case value.
* symm-nat.c (fetch_inferior_registers, child_xfer_memory):
Fix typos.
* symm-nat.c (child_resume): Update type of `signal' parameter.
* symm-tdep.c (I386_REGNO_TO_SYMMETRY): Moved to tm-symmetry.h.
* alpha-tdep.c: Gobs of changes (many imported from mips-tdep) to
improve remote debugging efficiency. Also fixed problems with
doing function calls for programs with no entry points.
* infcmd.c (run_stack_dummy): Use CALL_DUMMY_ADDRESS instead of
entry_point_address.
* inferior.h (PC_IN_CALL_DUMMY): ditto.
* mdebugread.c (parse_symbol, parse_procedure, parse_external,
parse_lines): Pass section_offsets info to these routines so that
we can relocate symbol table entries upon readin.
* (psymtab_to_symtab_1): Set symtab->primary to tell
objfile_relocate to do relocations for our symbols.
* (ecoff_relocate_efi): New routine to relocate adr field of PDRs
(which hang off of the symbol table).
* Use prim_record_minimal_symbols_and_info instead of
prim_record_minimal_symbols to supply section info to make minimal
symbol relocations work.
* minsyms.c (prim_record_minimal_symbols_and_info): If section is
-1, try to deduce it from ms_type.
* objfiles.c (objfile_relocate): Use ALL_OBJFILE_SYMTABS where
appropriate. Handle relocation of MIPS_EFI symbols special. Also,
add code to relocate objfile->sections data structure.
* remote.c (get_offsets): Use new protocol message to acquire
section offsets from the target.
* (remote_wait): Get rid of relocation stuff. That's all handled
by objfile_relocate now.
* config/alpha/alpha-nw.mt (TM_FILE): Use tm-alphanw.h.
* config/alpha/tm-alpha.h: Define CALL_DUMMY_ADDRESS, and
VM_MIN_ADDRESS.
* config/alpha/tm-alphanw.h: DECR_PC_AFTER_BREAK=0, VM_MIN_ADDRESS=0.
while (0). That defeats the whole purpose of using do . . . while (0).
* mdebugread.c (parse_partial_symbols): Don't use ?: expression as
list for ADD_PSYMBOL_TO_LIST; the macro takes its address and
using a ?: expression as an lvalue is not portable.
an `indexNil' aux index, these are simply undefined types.
Remove indexNil check from caller of parse_type.
* mdebugread.c (parse_partial_symbols): Do not enter
stGlobal, scCommon symbols into the minimal symbol table, their
value is the size of the common, not its address.
Handle scInit, scFini, scPData and scXData sections.
Use minimal symbol type mst_file_* for stLabel symbols, instead of
mst_*.
Enter stProc symbols into the global_psymbols list once, not into
the static_psymbols_list.
Get rid of dummy psymtab if it is empty, to allow proper detection
of stripped executables.
* mdebugread.c (cross_ref): Allow cross references to Fortran
common blocks.
them in the pst.
* mdebugread.c (handle_psymbol_enumerators): New function to enter
the enumerators of an ecoff enum into the partial symbol table.
* mdebugread.c (parse_partial_symbols): Call it.
* symfile.c (reread_symbols): Initialize objfile->*_psymbols.next.
* symmisc.c (dump_psymtab): Fix typo, clean up output of section
offsets. Cast psymtab->read_symtab to PTR before passing it to
gdb_print_address.
* i386-tdep.c (i386_skip_prologue): Skip over instructions that
set up the global offset table pointer in pic compiled code.
* config/mips/tm-mips.h (FIX_CALL_DUMMY): For big endian targets,
error() on TYPE_CODE_FLT arguments whose size is greater than 8,
swap all other TYPE_CODE_FLT arguments as mips_push_arguments
ensures that floats are promoted to doubles before they are pushed
on the stack.
alpha and irix. The _sigtramp case has to be handled properly
in the tdep files if we have no ecoff debugging info.
* alpha-tdep.c (alpha_frame_saved_pc, alpha_frame_chain),
mips-tdep.c (mips_frame_saved_pc): Handle signal handler frames
without PC_REGNUM kludge.
* mdebugread.c (fixup_sigtramp), mips-tdep.c (read_next_frame_reg):
Clean up handling of mips sigtramp frames, improve comments.
various miscellaneous things discovered in the process:
* printcmd.c, defs.h (print_address_numeric): New function.
* c-valprint.c (c_val_print), ch-valprint.c (chill_val_print)
breakpoint.c (describe_other_breakpoints, breakpoint_1, mention),
cp-valprint.c (cplus_print_value), infcmd.c (jump_command),
printcmd.c, stack.c, symfile.c, symmisc.c, valprint.c:
Use it.
* utils.c, defs.h (gdb_print_address): New function.
* expprint (dump_expression), gdbtypes.h: Use it.
* breakpoint.c (describe_other_breakpoints),
symmisc.c (dump_symtab, print_symbol):
Use filtered not unfiltered I/O.
(remove_breakpoints): Remove BREAKPOINT_DEBUG code. Might as well
just run gdb under a debugger for this (and it had problems with
printing addresses, how to print b->shadow, etc.).
* buildsym.c (make_blockvector), core.c (memory_error),
exec.c (print_section_info), maint.c (print_section_table),
mdebugread.c (parse_procedure), solib.c, source.c, symfile.c,
symmisc.c, symtab.c, valops.c, valprint.c, xcoffexec.c:
Add comments saying code is broken. Marked with "FIXME-32x64".
* dbxread.c (process_one_symbol), partial-stab.h (default),
remote-vx.c (vx_run_files_info):
Don't cast int being passed to local_hex_string.
* symmisc.c (print_symbol): Don't cast long being passed to %lx.
* symtab.h (general_symbol_info): Add comment about SYMBOL_VALUE
only being a long.
* symmisc.c (print_symbol): Print "offset" in message for LOC_ARG
and LOC_LOCAL.
* printcmd.c (print_address): Remove #if 0 code with ADDR_BITS_REMOVE.
* source.c: Include <sys/types.h> regardless of USG.
compiler generated tag names.
* mdebugread.c (parse_type): Handle cross references to qualified
aggregate types.
* valops.c (value_struct_elt): Improve error message if the
address of a method is requested from an object instance.
* valops.c (search_struct_method): Make name_matched non-static
to get it initialized correctly.
config/vax/tm-vax.h (CALL_DUMMY_BREAKPOINT_OFFSET): Define.
* mdebugread.c (parse_symbol): Handle enum sh.type produced by
DEC c89.
* mdebugread.c (add_line): Handle zero linenos produced by DEC c89.
