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* xcoffread.c (xcoff_sym_fns): Update.

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* symfile.h (struct sym_fns) <sym_read_psymbols>: New field.
	(enum symfile_add_flags) <SYMFILE_NO_READ>: New constant.
	* symfile.c (syms_from_objfile): Handle SYMFILE_NO_READ.
	(symbol_file_add_with_addrs_or_offsets): Likewise.
	(reread_symbols): Handle OBJF_PSYMTABS_READ.
	* somread.c (som_sym_fns): Update.
	* psymtab.h (require_partial_symbols): Declare.
	* psymtab.c (require_partial_symbols): New function.
	(ALL_OBJFILE_PSYMTABS_REQUIRED): New macro.
	(ALL_OBJFILE_PSYMTABS): Undef.
	(ALL_PSYMTABS): Move from psympriv.h.
	(lookup_partial_symtab, find_pc_sect_psymtab)
	(lookup_symbol_aux_psymtabs, relocate_psymtabs)
	(find_last_source_symtab_from_partial)
	(forget_cached_source_info_partial)
	(print_psymtab_stats_for_objfile, read_symtabs_for_function)
	(expand_partial_symbol_tables, read_psymtabs_with_filename)
	(map_symbol_names_psymtab, map_symbol_filenames_psymtab)
	(find_symbol_file_from_partial, map_matching_symbols_psymtab)
	(expand_symtabs_matching_via_partial, maintenance_info_psymtabs):
	Use ALL_OBJFILE_PSYMTABS_REQUIRED.
	* psympriv.h (ALL_PSYMTABS): Move to psymtab.c.
	* objfiles.h (OBJF_PSYMTABS_READ): New macro.
	* objfiles.c (objfile_has_partial_symbols): Handle lazily-read
	psymtabs.
	* mipsread.c (ecoff_sym_fns): Update.
	* machoread.c (macho_sym_fns): Update.
	* elfread.c (elf_symfile_read): Set up for lazy psymtab reading.
	(read_psyms): New function.
	(elf_sym_fns, elf_sym_fns_gdb_index): Update.
	(elf_sym_fns_lazy_psyms): New global.
	* dwarf2read.c (dwarf2_initialize_objfile): Don't call
	dwarf2_build_psymtabs.
	* dbxread.c (aout_sym_fns): Update.
	* coffread.c (coff_sym_fns): Update.
This commit is contained in:
Tom Tromey
2011-03-07 16:17:29 +00:00
parent fda326dd1d
commit b11896a527
16 changed files with 214 additions and 37 deletions
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26
gdb/symfile.c
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@@ -1019,6 +1019,9 @@ syms_from_objfile (struct objfile *objfile,
(*objfile->sf->sym_read) (objfile, add_flags);
if ((add_flags & SYMFILE_NO_READ) == 0)
require_partial_symbols (objfile, 0);
/* Discard cleanups as symbol reading was successful. */
discard_cleanups (old_chain);
@@ -1079,9 +1082,15 @@ symbol_file_add_with_addrs_or_offsets (bfd *abfd,
struct cleanup *my_cleanups;
const char *name = bfd_get_filename (abfd);
const int from_tty = add_flags & SYMFILE_VERBOSE;
const int should_print = ((from_tty || info_verbose)
&& (readnow_symbol_files
|| (add_flags & SYMFILE_NO_READ) == 0));
if (readnow_symbol_files)
flags |= OBJF_READNOW;
{
flags |= OBJF_READNOW;
add_flags &= ~SYMFILE_NO_READ;
}
my_cleanups = make_cleanup_bfd_close (abfd);
@@ -1100,7 +1109,7 @@ symbol_file_add_with_addrs_or_offsets (bfd *abfd,
/* We either created a new mapped symbol table, mapped an existing
symbol table file which has not had initial symbol reading
performed, or need to read an unmapped symbol table. */
if (from_tty || info_verbose)
if (should_print)
{
if (deprecated_pre_add_symbol_hook)
deprecated_pre_add_symbol_hook (name);
@@ -1121,7 +1130,7 @@ symbol_file_add_with_addrs_or_offsets (bfd *abfd,
if ((flags & OBJF_READNOW))
{
if (from_tty || info_verbose)
if (should_print)
{
printf_unfiltered (_("expanding to full symbols..."));
wrap_here ("");
@@ -1132,15 +1141,14 @@ symbol_file_add_with_addrs_or_offsets (bfd *abfd,
objfile->sf->qf->expand_all_symtabs (objfile);
}
if ((from_tty || info_verbose)
&& !objfile_has_symbols (objfile))
if (should_print && !objfile_has_symbols (objfile))
{
wrap_here ("");
printf_unfiltered (_("(no debugging symbols found)..."));
wrap_here ("");
}
if (from_tty || info_verbose)
if (should_print)
{
if (deprecated_post_add_symbol_hook)
deprecated_post_add_symbol_hook ();
@@ -2497,6 +2505,12 @@ reread_symbols (void)
/* Do not set flags as this is safe and we don't want to be
verbose. */
(*objfile->sf->sym_read) (objfile, 0);
if ((objfile->flags & OBJF_PSYMTABS_READ) != 0)
{
objfile->flags &= ~OBJF_PSYMTABS_READ;
require_partial_symbols (objfile, 0);
}
if (!objfile_has_symbols (objfile))
{
wrap_here ("");