diff options
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 39 | ||||
| -rw-r--r-- | gdb/coffread.c | 1 | ||||
| -rw-r--r-- | gdb/dbxread.c | 1 | ||||
| -rw-r--r-- | gdb/dwarf2read.c | 1 | ||||
| -rw-r--r-- | gdb/elfread.c | 50 | ||||
| -rw-r--r-- | gdb/machoread.c | 1 | ||||
| -rw-r--r-- | gdb/mipsread.c | 1 | ||||
| -rw-r--r-- | gdb/objfiles.c | 9 | ||||
| -rw-r--r-- | gdb/objfiles.h | 5 | ||||
| -rw-r--r-- | gdb/psympriv.h | 6 | ||||
| -rw-r--r-- | gdb/psymtab.c | 88 | ||||
| -rw-r--r-- | gdb/psymtab.h | 8 | ||||
| -rw-r--r-- | gdb/somread.c | 1 | ||||
| -rw-r--r-- | gdb/symfile.c | 26 | ||||
| -rw-r--r-- | gdb/symfile.h | 13 | ||||
| -rw-r--r-- | gdb/xcoffread.c | 1 |
16 files changed, 214 insertions, 37 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 9b2637a..7149bbf 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,44 @@ 2011-03-07 Tom Tromey <tromey@redhat.com> + * xcoffread.c (xcoff_sym_fns): Update. + * 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. + +2011-03-07 Tom Tromey <tromey@redhat.com> + * infrun.c (print_exited_reason): Include inferior id and pid in message. diff --git a/gdb/coffread.c b/gdb/coffread.c index 9df775d..85a5553 100644 --- a/gdb/coffread.c +++ b/gdb/coffread.c @@ -2191,6 +2191,7 @@ static const struct sym_fns coff_sym_fns = for sym_read() */ coff_symfile_read, /* sym_read: read a symbol file into symtab */ + NULL, /* sym_read_psymbols */ coff_symfile_finish, /* sym_finish: finished with file, cleanup */ default_symfile_offsets, /* sym_offsets: xlate external to diff --git a/gdb/dbxread.c b/gdb/dbxread.c index b68aa80..2e32f38 100644 --- a/gdb/dbxread.c +++ b/gdb/dbxread.c @@ -3587,6 +3587,7 @@ static const struct sym_fns aout_sym_fns = dbx_new_init, /* init anything gbl to entire symtab */ dbx_symfile_init, /* read initial info, setup for sym_read() */ dbx_symfile_read, /* read a symbol file into symtab */ + NULL, /* sym_read_psymbols */ dbx_symfile_finish, /* finished with file, cleanup */ default_symfile_offsets, /* parse user's offsets to internal form */ default_symfile_segments, /* Get segment information from a file. */ diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c index d12028f..2a47c7d 100644 --- a/gdb/dwarf2read.c +++ b/gdb/dwarf2read.c @@ -2767,7 +2767,6 @@ dwarf2_initialize_objfile (struct objfile *objfile) if (dwarf2_read_index (objfile)) return 1; - dwarf2_build_psymtabs (objfile); return 0; } diff --git a/gdb/elfread.c b/gdb/elfread.c index 54c7fa3..59a1f7c 100644 --- a/gdb/elfread.c +++ b/gdb/elfread.c @@ -40,8 +40,9 @@ extern void _initialize_elfread (void); -/* Forward declaration. */ +/* Forward declarations. */ static const struct sym_fns elf_sym_fns_gdb_index; +static const struct sym_fns elf_sym_fns_lazy_psyms; /* The struct elfinfo is available only during ELF symbol table and psymtab reading. It is destroyed at the completion of psymtab-reading. @@ -887,14 +888,24 @@ elf_symfile_read (struct objfile *objfile, int symfile_flags) bfd_section_size (abfd, str_sect)); } - if (dwarf2_has_info (objfile) && dwarf2_initialize_objfile (objfile)) - objfile->sf = &elf_sym_fns_gdb_index; - + if (dwarf2_has_info (objfile)) + { + if (dwarf2_initialize_objfile (objfile)) + objfile->sf = &elf_sym_fns_gdb_index; + else + { + /* It is ok to do this even if the stabs reader made some + partial symbols, because OBJF_PSYMTABS_READ has not been + set, and so our lazy reader function will still be called + when needed. */ + objfile->sf = &elf_sym_fns_lazy_psyms; + } + } /* If the file has its own symbol tables it has no separate debug info. `.dynsym'/`.symtab' go to MSYMBOLS, `.debug_info' goes to SYMTABS/PSYMTABS. `.gnu_debuglink' may no longer be present with `.note.gnu.build-id'. */ - if (!objfile_has_partial_symbols (objfile)) + else if (!objfile_has_partial_symbols (objfile)) { char *debugfile; @@ -913,6 +924,15 @@ elf_symfile_read (struct objfile *objfile, int symfile_flags) } } +/* Callback to lazily read psymtabs. */ + +static void +read_psyms (struct objfile *objfile) +{ + if (dwarf2_has_info (objfile)) + dwarf2_build_psymtabs (objfile); +} + /* This cleans up the objfile's deprecated_sym_stab_info pointer, and the chain of stab_section_info's, that might be dangling from it. */ @@ -1057,6 +1077,25 @@ static const struct sym_fns elf_sym_fns = elf_new_init, /* init anything gbl to entire symtab */ elf_symfile_init, /* read initial info, setup for sym_read() */ elf_symfile_read, /* read a symbol file into symtab */ + NULL, /* sym_read_psymbols */ + elf_symfile_finish, /* finished with file, cleanup */ + default_symfile_offsets, /* Translate ext. to int. relocation */ + elf_symfile_segments, /* Get segment information from a file. */ + NULL, + default_symfile_relocate, /* Relocate a debug section. */ + &psym_functions +}; + +/* The same as elf_sym_fns, but not registered and lazily reads + psymbols. */ + +static const struct sym_fns elf_sym_fns_lazy_psyms = +{ + bfd_target_elf_flavour, + elf_new_init, /* init anything gbl to entire symtab */ + elf_symfile_init, /* read initial info, setup for sym_read() */ + elf_symfile_read, /* read a symbol file into symtab */ + read_psyms, /* sym_read_psymbols */ elf_symfile_finish, /* finished with file, cleanup */ default_symfile_offsets, /* Translate ext. to int. relocation */ elf_symfile_segments, /* Get segment information from a file. */ @@ -1073,6 +1112,7 @@ static const struct sym_fns elf_sym_fns_gdb_index = elf_new_init, /* init anything gbl to entire symab */ elf_symfile_init, /* read initial info, setup for sym_red() */ elf_symfile_read, /* read a symbol file into symtab */ + NULL, /* sym_read_psymbols */ elf_symfile_finish, /* finished with file, cleanup */ default_symfile_offsets, /* Translate ext. to int. relocatin */ elf_symfile_segments, /* Get segment information from a file. */ diff --git a/gdb/machoread.c b/gdb/machoread.c index ad33f63..dbf9ae4 100644 --- a/gdb/machoread.c +++ b/gdb/machoread.c @@ -843,6 +843,7 @@ static const struct sym_fns macho_sym_fns = { macho_new_init, /* init anything gbl to entire symtab */ macho_symfile_init, /* read initial info, setup for sym_read() */ macho_symfile_read, /* read a symbol file into symtab */ + NULL, /* sym_read_psymbols */ macho_symfile_finish, /* finished with file, cleanup */ macho_symfile_offsets, /* xlate external to internal form */ default_symfile_segments, /* Get segment information from a file. */ diff --git a/gdb/mipsread.c b/gdb/mipsread.c index 697f784..74d795d 100644 --- a/gdb/mipsread.c +++ b/gdb/mipsread.c @@ -396,6 +396,7 @@ static const struct sym_fns ecoff_sym_fns = mipscoff_new_init, /* init anything gbl to entire symtab */ mipscoff_symfile_init, /* read initial info, setup for sym_read() */ mipscoff_symfile_read, /* read a symbol file into symtab */ + NULL, /* sym_read_psymbols */ mipscoff_symfile_finish, /* finished with file, cleanup */ default_symfile_offsets, /* dummy FIXME til implem sym reloc */ default_symfile_segments, /* Get segment information from a file. */ diff --git a/gdb/objfiles.c b/gdb/objfiles.c index 2223038..f3259dd 100644 --- a/gdb/objfiles.c +++ b/gdb/objfiles.c @@ -907,7 +907,14 @@ objfile_relocate (struct objfile *objfile, struct section_offsets *new_offsets) int objfile_has_partial_symbols (struct objfile *objfile) { - return objfile->sf ? objfile->sf->qf->has_symbols (objfile) : 0; + if (!objfile->sf) + return 0; + /* If we have not read psymbols, but we have a function capable of + reading them, then that is an indication that they are in fact + available. */ + if ((objfile->flags & OBJF_PSYMTABS_READ) == 0) + return objfile->sf->sym_read_psymbols != NULL; + return objfile->sf->qf->has_symbols (objfile); } /* Return non-zero if OBJFILE has full symbols. */ diff --git a/gdb/objfiles.h b/gdb/objfiles.h index 759c2f9..275c2ac 100644 --- a/gdb/objfiles.h +++ b/gdb/objfiles.h @@ -436,6 +436,11 @@ struct objfile #define OBJF_USERLOADED (1 << 3) /* User loaded */ +/* Set if we have tried to read partial symtabs for this objfile. + This is used to allow lazy reading of partial symtabs. */ + +#define OBJF_PSYMTABS_READ (1 << 4) + /* The object file that contains the runtime common minimal symbols for SunOS4. Note that this objfile has no associated BFD. */ diff --git a/gdb/psympriv.h b/gdb/psympriv.h index 8e8e15c..95d7676 100644 --- a/gdb/psympriv.h +++ b/gdb/psympriv.h @@ -183,10 +183,4 @@ extern void discard_psymtab (struct partial_symtab *); #define ALL_OBJFILE_PSYMTABS(objfile, p) \ for ((p) = (objfile) -> psymtabs; (p) != NULL; (p) = (p) -> next) -/* Traverse all psymtabs in all objfiles. */ - -#define ALL_PSYMTABS(objfile, p) \ - ALL_OBJFILES (objfile) \ - ALL_OBJFILE_PSYMTABS (objfile, p) - #endif /* PSYMPRIV_H */ diff --git a/gdb/psymtab.c b/gdb/psymtab.c index 6a0c563..eeae03b 100644 --- a/gdb/psymtab.c +++ b/gdb/psymtab.c @@ -69,6 +69,60 @@ static struct partial_symbol *fixup_psymbol_section (struct partial_symbol static struct symtab *psymtab_to_symtab (struct partial_symtab *pst); +/* Ensure that the partial symbols for OBJFILE have been loaded. This + function always returns its argument, as a convenience. */ + +struct objfile * +require_partial_symbols (struct objfile *objfile, int verbose) +{ + if ((objfile->flags & OBJF_PSYMTABS_READ) == 0) + { + objfile->flags |= OBJF_PSYMTABS_READ; + + if (objfile->sf->sym_read_psymbols) + { + if (verbose) + { + printf_unfiltered (_("Reading symbols from %s..."), + objfile->name); + gdb_flush (gdb_stdout); + } + (*objfile->sf->sym_read_psymbols) (objfile); + if (verbose) + { + if (!objfile_has_symbols (objfile)) + { + wrap_here (""); + printf_unfiltered (_("(no debugging symbols found)...")); + wrap_here (""); + } + + printf_unfiltered (_("done.\n")); + } + } + } + + return objfile; +} + +/* Traverse all psymtabs in one objfile, requiring that the psymtabs + be read in. */ + +#define ALL_OBJFILE_PSYMTABS_REQUIRED(objfile, p) \ + for ((p) = require_partial_symbols (objfile, 1)->psymtabs; \ + (p) != NULL; \ + (p) = (p)->next) + +/* We want to make sure this file always requires psymtabs. */ + +#undef ALL_OBJFILE_PSYMTABS + +/* Traverse all psymtabs in all objfiles. */ + +#define ALL_PSYMTABS(objfile, p) \ + ALL_OBJFILES (objfile) \ + ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) + /* Lookup the partial symbol table of a source file named NAME. *If* there is no '/' in the name, a match after a '/' in the psymtab filename will also work. */ @@ -79,7 +133,7 @@ lookup_partial_symtab (struct objfile *objfile, const char *name, { struct partial_symtab *pst; - ALL_OBJFILE_PSYMTABS (objfile, pst) + ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) { if (FILENAME_CMP (name, pst->filename) == 0) { @@ -117,7 +171,7 @@ lookup_partial_symtab (struct objfile *objfile, const char *name, /* Now, search for a matching tail (only if name doesn't have any dirs). */ if (lbasename (name) == name) - ALL_OBJFILE_PSYMTABS (objfile, pst) + ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) { if (FILENAME_CMP (lbasename (pst->filename), name) == 0) return (pst); @@ -280,7 +334,7 @@ find_pc_sect_psymtab (struct objfile *objfile, CORE_ADDR pc, its CUs may be missing in PSYMTABS_ADDRMAP as they may be varying debug info type in single OBJFILE. */ - ALL_OBJFILE_PSYMTABS (objfile, pst) + ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) if (pc >= pst->textlow && pc < pst->texthigh) { struct partial_symtab *best_pst; @@ -423,7 +477,7 @@ lookup_symbol_aux_psymtabs (struct objfile *objfile, struct partial_symtab *ps; const int psymtab_index = (block_index == GLOBAL_BLOCK ? 1 : 0); - ALL_OBJFILE_PSYMTABS (objfile, ps) + ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) { if (!ps->readin && lookup_partial_symbol (ps, name, psymtab_index, domain)) return PSYMTAB_TO_SYMTAB (ps); @@ -635,7 +689,7 @@ relocate_psymtabs (struct objfile *objfile, struct partial_symbol **psym; struct partial_symtab *p; - ALL_OBJFILE_PSYMTABS (objfile, p) + ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) { p->textlow += ANOFFSET (delta, SECT_OFF_TEXT (objfile)); p->texthigh += ANOFFSET (delta, SECT_OFF_TEXT (objfile)); @@ -667,7 +721,7 @@ find_last_source_symtab_from_partial (struct objfile *ofp) struct partial_symtab *ps; struct partial_symtab *cs_pst = 0; - ALL_OBJFILE_PSYMTABS (ofp, ps) + ALL_OBJFILE_PSYMTABS_REQUIRED (ofp, ps) { const char *name = ps->filename; int len = strlen (name); @@ -696,7 +750,7 @@ forget_cached_source_info_partial (struct objfile *objfile) { struct partial_symtab *pst; - ALL_OBJFILE_PSYMTABS (objfile, pst) + ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) { if (pst->fullname != NULL) { @@ -873,7 +927,7 @@ print_psymtab_stats_for_objfile (struct objfile *objfile) struct partial_symtab *ps; i = 0; - ALL_OBJFILE_PSYMTABS (objfile, ps) + ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) { if (ps->readin == 0) i++; @@ -915,7 +969,7 @@ read_symtabs_for_function (struct objfile *objfile, const char *func_name) { struct partial_symtab *ps; - ALL_OBJFILE_PSYMTABS (objfile, ps) + ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) { if (ps->readin) continue; @@ -933,7 +987,7 @@ expand_partial_symbol_tables (struct objfile *objfile) { struct partial_symtab *psymtab; - ALL_OBJFILE_PSYMTABS (objfile, psymtab) + ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab) { psymtab_to_symtab (psymtab); } @@ -944,7 +998,7 @@ read_psymtabs_with_filename (struct objfile *objfile, const char *filename) { struct partial_symtab *p; - ALL_OBJFILE_PSYMTABS (objfile, p) + ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) { if (strcmp (filename, p->filename) == 0) PSYMTAB_TO_SYMTAB (p); @@ -957,7 +1011,7 @@ map_symbol_names_psymtab (struct objfile *objfile, { struct partial_symtab *ps; - ALL_OBJFILE_PSYMTABS (objfile, ps) + ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) { struct partial_symbol **psym; @@ -995,7 +1049,7 @@ map_symbol_filenames_psymtab (struct objfile *objfile, { struct partial_symtab *ps; - ALL_OBJFILE_PSYMTABS (objfile, ps) + ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) { const char *fullname; @@ -1044,7 +1098,7 @@ find_symbol_file_from_partial (struct objfile *objfile, const char *name) { struct partial_symtab *pst; - ALL_OBJFILE_PSYMTABS (objfile, pst) + ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) { if (lookup_partial_symbol (pst, name, 1, VAR_DOMAIN)) return pst->filename; @@ -1095,7 +1149,7 @@ map_matching_symbols_psymtab (const char *name, domain_enum namespace, const int block_kind = global ? GLOBAL_BLOCK : STATIC_BLOCK; struct partial_symtab *ps; - ALL_OBJFILE_PSYMTABS (objfile, ps) + ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) { QUIT; if (ps->readin @@ -1128,7 +1182,7 @@ expand_symtabs_matching_via_partial (struct objfile *objfile, { struct partial_symtab *ps; - ALL_OBJFILE_PSYMTABS (objfile, ps) + ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) { struct partial_symbol **psym; struct partial_symbol **bound, **gbound, **sbound; @@ -1640,7 +1694,7 @@ maintenance_info_psymtabs (char *regexp, int from_tty) actually find a symtab whose name matches. */ int printed_objfile_start = 0; - ALL_OBJFILE_PSYMTABS (objfile, psymtab) + ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab) { QUIT; diff --git a/gdb/psymtab.h b/gdb/psymtab.h index 4a1e8e4..73e0a81 100644 --- a/gdb/psymtab.h +++ b/gdb/psymtab.h @@ -38,4 +38,12 @@ extern const struct quick_symbol_functions psym_functions; extern const struct quick_symbol_functions dwarf2_gdb_index_functions; +/* Ensure that the partial symbols for OBJFILE have been loaded. If + VERBOSE is non-zero, then this will print a message when symbols + are loaded. This function always returns its argument, as a + convenience. */ + +extern struct objfile *require_partial_symbols (struct objfile *objfile, + int verbose); + #endif /* PSYMTAB_H */ diff --git a/gdb/somread.c b/gdb/somread.c index fbbe356..70831a0 100644 --- a/gdb/somread.c +++ b/gdb/somread.c @@ -433,6 +433,7 @@ static const struct sym_fns som_sym_fns = som_new_init, /* init anything gbl to entire symtab */ som_symfile_init, /* read initial info, setup for sym_read() */ som_symfile_read, /* read a symbol file into symtab */ + NULL, /* sym_read_psymbols */ som_symfile_finish, /* finished with file, cleanup */ som_symfile_offsets, /* Translate ext. to int. relocation */ default_symfile_segments, /* Get segment information from a file. */ diff --git a/gdb/symfile.c b/gdb/symfile.c index de0b369..06b5dec 100644 --- a/gdb/symfile.c +++ b/gdb/symfile.c @@ -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 (""); diff --git a/gdb/symfile.h b/gdb/symfile.h index 4d56341..a0151ea 100644 --- a/gdb/symfile.h +++ b/gdb/symfile.h @@ -326,6 +326,13 @@ struct sym_fns void (*sym_read) (struct objfile *, int); + /* Read the partial symbols for an objfile. This may be NULL, in + which case gdb assumes that sym_read already read the partial + symbols. This may only be non-NULL if the objfile actually does + have debuginfo available. */ + + void (*sym_read_psymbols) (struct objfile *); + /* Called when we are finished with an objfile. Should do all cleanup that is specific to the object file format for the particular objfile. */ @@ -408,7 +415,11 @@ enum symfile_add_flags SYMFILE_MAINLINE = 1 << 2, /* Do not call breakpoint_re_set when adding this symbol file. */ - SYMFILE_DEFER_BP_RESET = 1 << 3 + SYMFILE_DEFER_BP_RESET = 1 << 3, + + /* Do not immediately read symbols for this file. By default, + symbols are read when the objfile is created. */ + SYMFILE_NO_READ = 1 << 4 }; extern void syms_from_objfile (struct objfile *, diff --git a/gdb/xcoffread.c b/gdb/xcoffread.c index a794f61..081080c 100644 --- a/gdb/xcoffread.c +++ b/gdb/xcoffread.c @@ -3084,6 +3084,7 @@ static const struct sym_fns xcoff_sym_fns = xcoff_new_init, /* init anything gbl to entire symtab */ xcoff_symfile_init, /* read initial info, setup for sym_read() */ xcoff_initial_scan, /* read a symbol file into symtab */ + NULL, /* sym_read_psymbols */ xcoff_symfile_finish, /* finished with file, cleanup */ xcoff_symfile_offsets, /* xlate offsets ext->int form */ default_symfile_segments, /* Get segment information from a file. */ |