(fill_symbuf): Support an in-memory buffer for stabs data.
(stabs_seek): New function.
(dbx_psymtab_to_symtab): Relocate the stabs data if necessary.
(read_ofile_symtab): Use stabs_seek.
(elfstab_build_psymtabs): Take an asection* instead of
an offset and size. Relocate the stabs data if necessary.
Save the section* for dbx_psymtab_to_symtab.
* dwarf2read.c: Add section variables for each debug section.
(dwarf2_locate_sections): Fill them in.
(dwarf2_read_section): Take an asection* argument.
Relocate the section contents if necessary.
(dwarf2_build_psymtabs, dwarf2_build_psymtabs_easy): Update callers.
* dwarf2cfi.c (parse_frame_info): Take a section argument and pass
it to dwarf2_read_section.
(dwarf2_build_frame_info): Update callers.
* elfread.c (elf_symfile_read): Update call to
elfstab_build_psymtabs.
* gdb-stabs.h (struct dbx_symfile_info): Add stab_section.
(DBX_STAB_SECTION): New macro.
* stabsread.h (elfstab_build_psymtabs): Update prototype.
* symfile.c (symfile_dummy_outputs): New function.
(symfile_relocate_debug_section): New function.
* symfile.h (symfile_relocate_debug_section): Add prototype.
* lib/gdb.exp: Revert patch of 2003-01-06, which set LC_ALL.
This was a workaround for a UTF-8 bug in readline 4.3. The bug
has been fixed in gdb/readline on 2003-01-09.
* d10v-tdep.c: Include "frame-unwind.h".
(d10v_gdbarch_init): Append d10v_frame_p to the unwind predicate
list.
(next_addr, uses_frame): Delete.
(struct d10v_unwind_cache): Define.
(prologue_find_regs): Add struct d10v_unwind_cache info parameter.
Use info instead of next_addr and uses_frame globals.
(d10v_frame_init_saved_regs): Delete function.
(d10v_init_extra_frame_info): Delete function.
(d10v_gdbarch_init): Do not initialize init_extra_frame_info,
frame_init_saved_regs or pop_frame, frame_chain, frame_chain_valid,
init_frame_pc or frame_saved_pc.
(d10v_pop_frame): Delete function.
(do_d10v_pop_frame): Delete function.
(d10v_frame_chain): Delete function.
(d10v_frame_chain_valid): Delete function.
(d10v_frame_pc_unwind): New function.
(d10v_frame_id_unwind): New function.
(saved_regs_unwinder): New function.
(d10v_frame_register_unwind): New function.
(d10v_frame_pop): New function.
(d10v_frame_unwind): New variable.
(d10v_frame_p): New function.
(d10v_frame_saved_pc): Delete function.
* Makefile.in (d10v-tdep.o): Update dependencies.
* frame.c (frame_saved_regs_id_unwind): Assert FRAME_CHAIN_P.
(legacy_get_prev_frame): Assert FRAME_CHAIN_P.
(get_prev_frame): When FRAME_CHAIN_P, call legacy_get_prev_frame.
(frame_saved_regs_pc_unwind): Assert FRAME_SAVED_PC_P.
* gdbarch.sh (FRAME_CHAIN): Change to a function with predicate.
(FRAME_SAVED_PC): Change to a function with predicate.
* gdbarch.h, gdbarch.c: Re-generate.
* sentinel-frame.h, sentinel-frame.c: New files.
* Makefile.in (frame.o): Update dependencies.
(SFILES): Add sentinel-frame.c.
(sentinel_frame_h): Define.
(COMMON_OBS): Add sentinel-frame.o.
(sentinel-frame.o): Specify dependencies.
* frame.c: Include "sentinel-frame.h".
(frame_register_unwind): Rewrite assuming that there is always a a
->next frame.
(frame_register, generic_unwind_get_saved_register): Ditto.
(frame_read_unsigned_register, frame_read_signed_register): Ditto.
(create_sentinel_frame, unwind_to_current_frame): New functions.
(get_current_frame): Rewrite using create_sentinel_frame and
unwind_to_current_frame. When possible, always create a frame.
(create_new_frame): Set next to the sentinel frame.
(get_next_frame): Rewrite. Don't go below the level 0 frame.
(deprecated_update_frame_pc_hack): Update the next frame's PC and
ID cache when necessary.
(frame_saved_regs_id_unwind): Use frame_relative_level.
(deprecated_generic_get_saved_register): Use frame_relative_level,
get_frame_saved_regs, get_frame_pc, get_frame_base and
get_next_frame.
(frame_saved_regs_register_unwind): Use get_frame_saved_regs and
frame_register.
Check for monstartup and _mcleanup regardless of --enable-profiling.
* maint.c: Check for monstartup and _mcleanup before using them.
* config.in: Regenerated.
* configure: Regenerated.
symbols found)" message here; we haven't checked for a separate
debug info file yet, so we don't know yet.
(symbol_file_add_with_addrs_or_offsets): Print it here, after
we've looked everywhere. Also, there's no need to print a special
message when we're loading the separate debug info file: the one
symbol_file_add prints is fine.
2003-01-23 Alexander Larsson <alexl@redhat.com>
Jim Blandy <jimb@redhat.com>
Add support for executables whose debug info has been separated
out into a separate file, leaving only a link behind.
* objfiles.h (struct objfile): New fields: separate_debug_objfile
and separate_debug_objfile_backlink.
(put_objfile_before): New declaration.
* symfile.c: #include "filenames.h".
(symbol_file_add_with_addrs_or_offsets): If this objfile has its
debug info in a separate file, read that, too. Save the addrs
argument, so we can use it again to read the separated debug info;
syms_from_objfile modifies the table we pass it.
(reread_symbols): After re-reading an objfile, call
reread_separate_symbols to refresh its separate debug info
objfile, if it has one.
(reread_separate_symbols, find_separate_debug_file,
get_debug_link_info, separate_debug_file_exists): New functions.
(debug_file_directory): New global var.
(_initialize_symfile): Initialize debug_file_directory, and
provide the new `set debug-file-directory' command to let the user
change it.
* objfiles.c (free_objfile): If this objfile has its debug info in
a separate objfile, free that one too. If this is itself a
separate debug info objfile, clear our parent's backlink.
(put_objfile_before): New function.
* utils.c (gnu_debuglink_crc32): New function.
* defs.h (gnu_debuglink_crc32): New declaration.
* Makefile.in (symfile.o): Note dependency on "filenames.h".
* configure.in: Handle --with-separate-debug-dir config option.
* acinclude.m4 (AC_DEFINE_DIR): New macro.
* acconfig.h (DEBUGDIR): New macro.
* configure, aclocal.m4, config.in: Regenerated.
gdb/doc/ChangeLog:
2003-01-23 Jim Blandy <jimb@redhat.com>
* gdb.texinfo (Separate Debug Files): New section.
like the old symbol_file_add, but taking new arguments: you can
now pass in either a `struct section_addr_info' list to say where
each section is loaded, or a `struct section_offsets' table. Pass
these new arguments through to syms_from_objfile as appropriate.
(symbol_file_add): Just call symbol_file_add_with_addrs_or_offsets,
with the appropriate quiescent values for the new arguments.
(syms_from_objfile): Add the ability to pass in a section offset
table directly, as an alternative to the section_addr_info table.
Document arguments better.
(symbol_file_add): Pass extra arguments to syms_from_objfile.
* symfile.h (syms_from_objfile): Update declaration.
* rs6000-nat.c (objfile_symbol_add): Pass new arguments to
syms_from_objfile.
* Makefile.in (symfile.o): List dependency on $(gdb_assert_h).
