registers in use by the inferior.
* coredep.c (fetch_core_registers, register_addr): Use it.
* findvar.c (registers_changed, registers_fetched,
read_register_bytes): Ditto.
* infcmd.c (do_registers_info, registers_info): Ditto.
* infptrace.c (fetch_inferior_registers,
store_inferior_registers): Ditto.
* stack.c (frame_info): Ditto.
* coredep.c (CORE_REGISTER_ADDR): New macro.
(fetch_core_registers): Use it.
(omeyer@i3.informatik.rwth-aachen.de).
* valprint.h, valprint.c (stop_print_at_null): New global.
* valprint.c (_initialize_valprint): New print set subcommand
"null-stop".
* c-valprint.c (c_val_print): If stop_print_at_null is on, and
printing a char array, adjust the number of chars to print.
* m88k-tdep.c (examine_prologue): Modified to handle prologues for
pic code in addition to prologues where an instruction from the
prologue gets moved into the delay slot of a branch instruction
immediately following the prologue. A table of potential prologue
instructions (prologue_insn_tbl) is now used for picking apart a
function prologue.
(frame_find_saved_regs): Changed the way in which limit gets set
so that the delay slot of branch instructions immediately
following the prologue gets examined.
(pushed_size, store_parm_word, store_parm, push_parameters,
collect_returned_value): Deleted.
* dwarfread.c, elfread.c somread.c: Don't include libbfd.h,
<time.h>, or <sys/types.h>.
* elfread.c (elf_symfile_read): Use only standard BFD functions to
collect information about the stab and stab string sections.
* breakpoint.h (hit_count): New breakpoint field.
* breakpoint.c (show_breakpoint_hit_counts): New variable.
(clear_breakpoint_hit_counts): New function.
(bpstat_stop_status): Increment the hit count.
(breakpoint_1): Display the hit count.
* infcmd.c (run_command): Reset breakpoint hit counts.
* target.c (generic_mourn_inferior): Don't clear ignore counts if
displaying hit counts.
symbols for all symbol files. Makes skipping over the
trampoline code work when stepping from a function in a shared
library into a function in a different shared library for Irix 5.
Other ELF targets do not have enough information in their
dynamic symbol tables to make this work.
(elf_symtab_read): Relocate mst_solib_trampoline address.
the start of a function from a function symbol.
(decode_line_1, decode_line_2): Use it instead of open coded
partial copies of the code.
(list_symbols): Quote symbol name before passing it to
break_command to enable proper handling of mangled symbols.
Move "no debugging symbols found" test to symfile.c.
* symfile.c (syms_from_objfile, reread_symbols): Add
"no debugging symbols found" test.
* coffread.c (init_stringtab): Handle stripped files with a
stringtab offset of zero gracefully.
* osfsolib.c (solib_create_inferior_hook): Use DYNAMIC flag from
BFD instead of stop_pc heuristic to determine if it is a dynamically
linked object file.
* procfs.c (wait_fd): Handle ENOENT error return from PIOCWSTOP
ioctl, it indicates that the process has exited.
symbols for all symbol files. Makes skipping over the
trampoline code work when stepping from a function in a shared
library into a function in a different shared library.
(read_dbx_dynamic_symtab): Relocate mst_solib_trampoline address.
names mean end of .o file.
* infrun.c (wait_for_inferior): Clean up multi-thread logic near
top of routine. Handle new thread notification cleanly.
* lynx-nat.c (child_wait): General cleanups, handle new LynxOS
thread notification scheme.
* (child_resume): General cleanups, handle resumption of all
threads properly.
* dbxread.c (stabsect_build_psymtabs): New argument "text_name"
corresponding to the name of the text section. All references
changed.
(somstab_build_psymtabs): Delete function, no longer needed.
comments to reflect that this file deals with SOM (an object file
format), rather than the PA (a cpu).
(Makefile.in): Chaned appropriately.
(config/pa/hppabsd.mh, config/pa/hppahpux.mh): Likewise.
* dbxread.c (somstab_build_psymtabs): Renamed from
pastab_build_psymtabs.
ChangeLog
* config/i386/nm-linux.h: change calling convention of
TARGET_CAN_USE_HARDWARE_WATCHPOINT() and
target_insert_watchpoint() and
target_remove_watchpoint().
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.
call it instead of doing normal loop.
* infcmd.c (attach_command): Don't call wait_for_inferior if
running Mach 3.
* infrun.c (proceed) [PREPARE_TO_PROCEED]: If defined, call
hook that can decide whether to step over the next breakpoint.
* utils.c (wrap_here): Abort if wrap_buffer not allocated.
(request_quit) [REQUEST_QUIT]: If defined, call it instead of
doing normal quit.
* Makefile.in (stop-gdb): New target.
* stop-gdb.c: New file, utility to get attention of waiting GDBs
in Mach 3.
(i[34]86-*-mach3*, i[34]86-*-osf1mk*, mips-*-mach3*,
m88*-*-mach3*, ns32k-*-mach3*): Recognize.
* Makefile.in (gdb-stop): New target.
* gdb-stop.c: New file, utility to gets attention of waiting GDBs
in Mach 3.
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.
ignore) a PID argument.
(hppa_pop_frame): Pass a PID to target_write_pc.
* config/pa/tm-hppa.h (TARGET_READ_PC, TARGET_WRITE_PC): Accept
and pass through a PID argument.
(target_read_pc, target_write_pc): Update prototypes.
ChangeLog
* remote-os9k.c (rombuf_command): fix a bug accepting rombug
output.
* stabsread.c (read_struct_fields): os9k nested structure does not
have terminating ';', instead it just get to ',' and bit position
and length.
* (nlm_symfile_read): Record bounds of main() so that backtrace
command will know where to stop.
* objfiles.c (objfile_relocate): Relocate entry point/func info
for backtrace as well.
* objfiles.h: Define values for invalid PCs for entry point info.
* symfile.c (init_entry_point_info): Initialize invalid values
with aforementioned macros.
* config/alpha/tm-alphanw.h: Turn on FRAME_CHAIN_VALID_ALTERNATE
to cause backtrace to stop when it gets back to main().
* config/i386/tm-i386nw.h: Ditto.
to new file top.c. Make things extern instead of static and
similar rearrangements to deal with this.
* top.h: New file.
* utils.c: Move fputs_unfiltered to main.c. Remove
FPUTS_UNFILTERED_OVERRIDE ifndef.
* Makefile.in: Change so that gdb uses main.c, utils.c, and top.c,
and libgdb uses utils.c and top.c.
A Chill version of val_print_array_elements, it prints the
array index labels, in additions ot the array element values.
(chill_val_print): Use the new function.
target.
* defs.h (enum language): Add language_asm.
* findvar.c (read_register_bytes read_register_gen
write_register_bytes read_register read_register_pid
write_register write_register_pid supply_register): Move multi-
thread handling down into these routines. Create XXX_pid routines
that allow register references to specify the pid.
* findvar.c infcmd.c (read_pc read_pc_pid write_pc write_pc_pid
read_sp write_sp read_fp write_fp): Move these routines from
infcmd to findvar to centralize the whole mess.
* i386-nlmstub.c: Portability fixes.
* infptrace.c (child_resume): Conditionalize to allow other natives
to override it. Remove PIDGET gubbish, it's no longer necessary.
* infrun.c (wait_for_inferior): Put registers_changed() before
target_wait() to speed up remote debugging.
* Replace code that reads registers from other threads with much
nicer looking new function calls (see changes to findvar.c).
* Don't skip prologues if debugging assembly source.
* lynx-nat.c (child_resume): Lynx now needs it's own version of
child_resume to handle multi-thread debugging properly.
* remote.c: Add O response to get console output from target.
* (readchar): Add timeout parameter. Handle SERIAL_EOF and
SERIAL_ERROR here to simplify callers.
* Change static var timeout to remote_timeout.
* (fromhex): Remove unnecessary return -1 at end of routine.
* (remote_wait): Turn this into a big switch statement. Add
support for O response.
* (putpkt): Remove unnecessary handling of SERIAL_EOF/ERROR.
* (getpkt): Split getpkt into two parts. read_frame deals with
all formatting issues, run-length encoding, and framing. getpkt
now handles error recovery, and frame detection.
* ser-tcp.c (tcp_readchar): Handle EINTR from read().
* ser-unix.c (hardwire_raw): Set CLOCAL so that we ignore modem
control. (hardwire_readchar): Handle EINTR from read().
* symfile.c (deduce_language_from_filename): Add support for .s
files.
* config/nm-lynx.h: Define CHILD_WAIT so that lynx-nat.c can
override infptrace's child_wait.
* config/rs6000/rs6000lynx.mh: Use xm-rs6000ly.h & nm-rs6000ly.h
instead of XXXlynx.h.
* config/rs6000/rs6000lynx.mt: Use tm-rs6000ly.h instead of
tm-rs6000lynx.h.
* nlm/gdbserve.c: Portability fixes.
(child_mourn_inferior): Call proc_remove_foreign.
* main.c (gdb_init): Call init_proc.
* main.c: Provide dummy versions of init_proc, proc_wait, and
proc_remove_foreign for the gdb case (the libgdb case provides its
own versions of these functions).
* Makefile.in (libgdb-files): Add libproc.a.
Hardware watchpoints for Linux, from Rick Sladkey
(jrs@world.std.com).
* infrun.c (wait_for_inferior) [HAVE_CONTINUABLE_WATCHPOINT]: Add
new hardware breakpoint recovery method.
* i386v-nat.c (i386_insert_watchpoint,
i386_insert_nonaligned_watchpoint, i386_remove_watchpoint,
i386_stopped_by_watchpoint) [TARGET_CAN_USE_HARWARE_WATCHPOINT]:
New functions to support the 386 hardware debugging registers.
* config/i386/nm-linux.h (TARGET_CAN_USE_HARDWARE_WATCHPOINT,
HAVE_CONTINUABLE_WATCHPOINT, STOPPED_BY_WATCHPOINT,
target_insert_watchpoint, target_remove_watchpoint): Define these
macros to use the hardware debugging functions in i386v-nat.c.
* xcoffread.c (read_xcoff_symtab): For C_FILE symbols, only use
the auxent if the symbol's name is ".file". From David Edelsohn
<c1dje@watson.ibm.com>.
fputs_unfiltered and exit directly, rather than fatal. The latter
calls vfprintf_unfiltered!
* gdbtypes.h, gdbtypes.c (can_dereference): New function.
* value.h, printcmd.c (print_value_flags): Move from here...
* annotate.c: ...to here, and make it use can_dereference.
* inflow.c (job_control, attach_flag, generic_mourn_inferior):
Remove, needed for both native and cross.
* target.c (attach_flag, generic_mourn_inferior): Put here.
* utils.c (job_control): Put here.
(terminal.h): Don't include anymore.
BROKEN_LARGE_ALLOCA. Do the cleanup before returning, rather than
leaving it on the chain. Reindent much of this function.
* config/sparc/{xm-sun4sol2.h,xm-sun4os4.h},
config/i386/{xm-sun386.h,xm-i386m3.h,xm-i386mach.h},
config/m68k/{sun3os4.h,xm-news.h,xm-hp300hpux.h},
config/ns32k/xm-ns32km3.h: Remove all references to
BROKEN_LARGE_ALLOCA; with the above change it is no longer needed.
* main.c, fork-child.c, many config files: Remove all
SET_STACK_LIMIT_HUGE code; with the above changes it should no
longer be needed.
* symtab.c (lookup_partial_symbol): Use if and abort, not assert.
This avoids __eprintf troubles.
* main.c (main): Surround in #ifndef MAIN_OVERRIDE. Move
initialization code which needs to be called even if we bypass the
command line stuff into gdb_init.
* utils.c (fputs_unfiltered): Surround in #ifndef
FPUTS_UNFILTERED_OVERRIDE.
* Makefile.in (libgdb.a): New target.
* utils.c: Rearrange I/O stuff a bit so that all output goes
through fputs_unfiltered. Use vasprintf; removes arbitrary limit
which made %s not work with arbitrarily large strings.
* printcmd.c (printf_command): Use printf_filtered, not
printf_unfiltered and printf, now that arbitrary limit is gone.
(print_it_normal): Add annotations for the inferior starting and
stopping, and for all the various messages related to how it
stopped.
* printcmd.c (do_one_display): Annotate.
* stack.c (print_frame_info): Annotate printing of stack frames.
* c-valprint.c (c_val_print): Add vtblprint support
when using thunks.
* cp-valprint.c (cp_is_vtbl_member): A vtable can be an array of
pointers (if using thunks) as well as array of structs (otherwise).
* cp-valprint.c (vtbl_ptr_name_old, vtbl_ptr_name): Move to global
level, and make the latter non-static (so define_symbol can use it).
* stabsread.c (define_symbol): If the type being defined is a
pointer type named "__vtbl_ptr_type", set the TYPE_NAME to that name.
* symtab.h (VTBL_PREFIX_P): Allow "_VT" as well as "_vt".
* values.c (value_virtual_fn_field): Handle thunks.
* values.c (value_headof): Minor efficiency hack.
* values.c (value_headof): Incomplete thunk support. FIXME.
* xcoffexec.c: Reformat to standards and lint.
(language.h): Include.
(exec_close): Declare arg "quitting".
(file_command): Declare arg "from_tty".
(map_vmap): Cast xmalloc result to PTR.
* rs6000-nat.c: Reformat to standards and lint.
(exec_one_dummy_insn): Use char array for saved instruction.
(fixup_breakpoints): Declare.
(vmap_ldinfo): Be more informative in fatal error messages.
(xcoff_relocate_symtab): Define to return void.
* xcoffsolib.h: Reformat to standards, improve comments.
* config/rs6000/nm-rs6000.h (xcoff_relocate_symtab): Declare.
(quit): Print annotation before printing the error message.
* main.c (return_to_top_level): Print annotation before doing the
longjmp.
* symtab.c (decode_line_1): Call error not warning and then
return_to_top_level. Call error_begin and printf_unfiltered
rather calling warning (before calls to return_to_top_level).
* core.c (memory_error): Use error_begin, printf_unfiltered,
print_address_numeric and return_to_top_level instead of error.
Cleans up a FIXME-32x64.
* language.c (type_error, range_error): Call error_begin
not just target_terminal_ours.
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.
* lynx-nat.c (CANNOT_STORE_REGISTER): Add a fallback definition
for Lynx platforms that need it.
* config/nm-lynx.h (__LYNXOS): Define if not already defined.
* nlm/gdbserve.c (putDebugChar): Install bug fix from i386-nlmstub.
* (hex2mem): Init ptr.
* General cleanups to use ConsolePrintf, standard prologues, etc...
associated with the symbol to make dynmaic relocation work.
* (dbx_symfile_read, process_one_symbol): Fixes to work around
Solaris brain-damage which don't apply to relocatable object
files.
* (stabsect_build_psymtabs): New routine to read stabs out of an
arbitrarily named section.
* nlmread.c (nlm_symtab_read): Read ALL syms from the NLM, not just
globals.
* (nlm_symfile_read): Call stabsect_build_psymtabs to read the
stabs out of the nlm.
* partial-stabs.h (cases 'f' & 'F'): Fixes to work around Solaris
brain-damage which don't apply to relocatable object files.
* remote.c (putpkt): Improve error reporting and error handling.
* stabsread.c (define_symbol, scan_file_globals): Record section
info in sym.
to after call to target_wait. This means that flush_cached_frames
can call target_terminal_ours if it wants to.
* infrun.c (wait_for_inferior) [HAVE_NONSTEPPABLE_WATCHPOINT]: Add
comment about why the code is dubious.
