diff options
Diffstat (limited to 'gdb/machoread.c')
| -rw-r--r-- | gdb/machoread.c | 652 |
1 files changed, 326 insertions, 326 deletions
diff --git a/gdb/machoread.c b/gdb/machoread.c index fb4e205088a..079b6e72f17 100644 --- a/gdb/machoread.c +++ b/gdb/machoread.c @@ -88,7 +88,7 @@ macho_symtab_add_minsym (minimal_symbol_reader &reader, if (sym->name == NULL || *sym->name == '\0') { /* Skip names that don't exist (shouldn't happen), or names - that are null strings (may happen). */ + that are null strings (may happen). */ return; } @@ -101,37 +101,37 @@ macho_symtab_add_minsym (minimal_symbol_reader &reader, symaddr = sym->value + sym->section->vma; if (sym->section == bfd_abs_section_ptr) - ms_type = mst_abs; + ms_type = mst_abs; else if (sym->section->flags & SEC_CODE) - { - if (sym->flags & (BSF_GLOBAL | BSF_WEAK)) - ms_type = mst_text; - else - ms_type = mst_file_text; - } + { + if (sym->flags & (BSF_GLOBAL | BSF_WEAK)) + ms_type = mst_text; + else + ms_type = mst_file_text; + } else if (sym->section->flags & SEC_ALLOC) - { - if (sym->flags & (BSF_GLOBAL | BSF_WEAK)) - { - if (sym->section->flags & SEC_LOAD) - ms_type = mst_data; - else - ms_type = mst_bss; - } - else if (sym->flags & BSF_LOCAL) - { - /* Not a special stabs-in-elf symbol, do regular - symbol processing. */ - if (sym->section->flags & SEC_LOAD) - ms_type = mst_file_data; - else - ms_type = mst_file_bss; - } - else - ms_type = mst_unknown; - } + { + if (sym->flags & (BSF_GLOBAL | BSF_WEAK)) + { + if (sym->section->flags & SEC_LOAD) + ms_type = mst_data; + else + ms_type = mst_bss; + } + else if (sym->flags & BSF_LOCAL) + { + /* Not a special stabs-in-elf symbol, do regular + symbol processing. */ + if (sym->section->flags & SEC_LOAD) + ms_type = mst_file_data; + else + ms_type = mst_file_bss; + } + else + ms_type = mst_unknown; + } else - return; /* Skip this symbol. */ + return; /* Skip this symbol. */ reader.record_with_info (sym->name, symaddr, ms_type, gdb_bfd_section_index (objfile->obfd, @@ -180,133 +180,133 @@ macho_symtab_read (minimal_symbol_reader &reader, bfd_mach_o_asymbol *mach_o_sym = (bfd_mach_o_asymbol *)sym; switch (state) - { - case S_NO_SO: + { + case S_NO_SO: if (mach_o_sym->n_type == N_SO) - { - /* Start of object stab. */ + { + /* Start of object stab. */ if (sym->name == NULL || sym->name[0] == 0) - { - /* Unexpected empty N_SO. */ - complaint (_("Unexpected empty N_SO stab")); - } - else - { - file_so = sym; - state = S_FIRST_SO; - } - } - else if (sym->flags & BSF_DEBUGGING) - { - if (mach_o_sym->n_type == N_OPT) - { - /* No complaint for OPT. */ - break; - } - - /* Debugging symbols are not expected here. */ - complaint (_("%s: Unexpected debug stab outside SO markers"), - objfile_name (objfile)); - } - else - { - /* Non-debugging symbols go to the minimal symbol table. */ - macho_symtab_add_minsym (reader, objfile, sym); - } - break; - - case S_FIRST_SO: - case S_SECOND_SO: + { + /* Unexpected empty N_SO. */ + complaint (_("Unexpected empty N_SO stab")); + } + else + { + file_so = sym; + state = S_FIRST_SO; + } + } + else if (sym->flags & BSF_DEBUGGING) + { + if (mach_o_sym->n_type == N_OPT) + { + /* No complaint for OPT. */ + break; + } + + /* Debugging symbols are not expected here. */ + complaint (_("%s: Unexpected debug stab outside SO markers"), + objfile_name (objfile)); + } + else + { + /* Non-debugging symbols go to the minimal symbol table. */ + macho_symtab_add_minsym (reader, objfile, sym); + } + break; + + case S_FIRST_SO: + case S_SECOND_SO: if (mach_o_sym->n_type == N_SO) - { + { if (sym->name == NULL || sym->name[0] == 0) - { - /* Unexpected empty N_SO. */ - complaint (_("Empty SO section")); - state = S_NO_SO; - } - else if (state == S_FIRST_SO) - { - /* Second SO stab for the file name. */ - file_so = sym; - state = S_SECOND_SO; - } - else - complaint (_("Three SO in a raw")); - } - else if (mach_o_sym->n_type == N_OSO) - { + { + /* Unexpected empty N_SO. */ + complaint (_("Empty SO section")); + state = S_NO_SO; + } + else if (state == S_FIRST_SO) + { + /* Second SO stab for the file name. */ + file_so = sym; + state = S_SECOND_SO; + } + else + complaint (_("Three SO in a raw")); + } + else if (mach_o_sym->n_type == N_OSO) + { if (sym->name == NULL || sym->name[0] == 0) - { - /* Empty OSO. Means that this file was compiled with - stabs. */ - state = S_STAB_FILE; - warning (_("stabs debugging not supported for %s"), - file_so->name); - } - else - { - /* Non-empty OSO for a Dwarf file. */ - oso_file = symbol_table + i; - nbr_syms = 0; - state = S_DWARF_FILE; - } - } - else - complaint (_("Unexpected stab after SO")); - break; - - case S_STAB_FILE: - case S_DWARF_FILE: + { + /* Empty OSO. Means that this file was compiled with + stabs. */ + state = S_STAB_FILE; + warning (_("stabs debugging not supported for %s"), + file_so->name); + } + else + { + /* Non-empty OSO for a Dwarf file. */ + oso_file = symbol_table + i; + nbr_syms = 0; + state = S_DWARF_FILE; + } + } + else + complaint (_("Unexpected stab after SO")); + break; + + case S_STAB_FILE: + case S_DWARF_FILE: if (mach_o_sym->n_type == N_SO) - { + { if (sym->name == NULL || sym->name[0] == 0) - { - /* End of file. */ - if (state == S_DWARF_FILE) + { + /* End of file. */ + if (state == S_DWARF_FILE) oso_vector_ptr->emplace_back (oso_file, symbol_table + i, nbr_syms); - state = S_NO_SO; - } - else - { - complaint (_("Missing nul SO")); - file_so = sym; - state = S_FIRST_SO; - } - } - else if (sym->flags & BSF_DEBUGGING) - { - if (state == S_STAB_FILE) - { - /* FIXME: to be implemented. */ - } - else - { - switch (mach_o_sym->n_type) - { - case N_FUN: - if (sym->name == NULL || sym->name[0] == 0) - break; - /* Fall through. */ - case N_STSYM: - /* Interesting symbol. */ - nbr_syms++; - break; - case N_ENSYM: - case N_BNSYM: - case N_GSYM: - break; - default: - complaint (_("unhandled stab for dwarf OSO file")); - break; - } - } - } - else - complaint (_("non-debugging symbol within SO")); - break; - } + state = S_NO_SO; + } + else + { + complaint (_("Missing nul SO")); + file_so = sym; + state = S_FIRST_SO; + } + } + else if (sym->flags & BSF_DEBUGGING) + { + if (state == S_STAB_FILE) + { + /* FIXME: to be implemented. */ + } + else + { + switch (mach_o_sym->n_type) + { + case N_FUN: + if (sym->name == NULL || sym->name[0] == 0) + break; + /* Fall through. */ + case N_STSYM: + /* Interesting symbol. */ + nbr_syms++; + break; + case N_ENSYM: + case N_BNSYM: + case N_GSYM: + break; + default: + complaint (_("unhandled stab for dwarf OSO file")); + break; + } + } + } + else + complaint (_("non-debugging symbol within SO")); + break; + } } if (state != S_NO_SO) @@ -354,8 +354,8 @@ struct macho_sym_hash_entry static struct bfd_hash_entry * macho_sym_hash_newfunc (struct bfd_hash_entry *entry, - struct bfd_hash_table *table, - const char *string) + struct bfd_hash_table *table, + const char *string) { struct macho_sym_hash_entry *ret = (struct macho_sym_hash_entry *) entry; @@ -363,7 +363,7 @@ macho_sym_hash_newfunc (struct bfd_hash_entry *entry, subclass. */ if (ret == NULL) ret = (struct macho_sym_hash_entry *) bfd_hash_allocate (table, - sizeof (* ret)); + sizeof (* ret)); if (ret == NULL) return NULL; @@ -407,7 +407,7 @@ macho_resolve_oso_sym_with_minsym (struct objfile *main_objfile, asymbol *sym) static void macho_add_oso_symfile (oso_el *oso, const gdb_bfd_ref_ptr &abfd, const char *name, - struct objfile *main_objfile, + struct objfile *main_objfile, symfile_add_flags symfile_flags) { int storage; @@ -427,7 +427,7 @@ macho_add_oso_symfile (oso_el *oso, const gdb_bfd_ref_ptr &abfd, if (!bfd_check_format (abfd.get (), bfd_object)) { warning (_("`%s': can't read symbols: %s."), oso->name, - bfd_errmsg (bfd_get_error ())); + bfd_errmsg (bfd_get_error ())); return; } @@ -438,8 +438,8 @@ macho_add_oso_symfile (oso_el *oso, const gdb_bfd_ref_ptr &abfd, } if (!bfd_hash_table_init_n (&table, macho_sym_hash_newfunc, - sizeof (struct macho_sym_hash_entry), - oso->nbr_syms)) + sizeof (struct macho_sym_hash_entry), + oso->nbr_syms)) { warning (_("`%s': can't create hash table"), oso->name); return; @@ -465,42 +465,42 @@ macho_add_oso_symfile (oso_el *oso, const gdb_bfd_ref_ptr &abfd, bfd_mach_o_asymbol *mach_o_sym = (bfd_mach_o_asymbol *)sym; switch (mach_o_sym->n_type) - { - case N_ENSYM: - case N_BNSYM: - case N_GSYM: - sym = NULL; - break; - case N_FUN: - if (sym->name == NULL || sym->name[0] == 0) - sym = NULL; - break; - case N_STSYM: - break; - default: - sym = NULL; - break; - } + { + case N_ENSYM: + case N_BNSYM: + case N_GSYM: + sym = NULL; + break; + case N_FUN: + if (sym->name == NULL || sym->name[0] == 0) + sym = NULL; + break; + case N_STSYM: + break; + default: + sym = NULL; + break; + } if (sym != NULL) - { - struct macho_sym_hash_entry *ent; - - ent = (struct macho_sym_hash_entry *) - bfd_hash_lookup (&table, sym->name, TRUE, FALSE); - if (ent->sym != NULL) - complaint (_("Duplicated symbol %s in symbol table"), sym->name); - else - { - if (mach_o_debug_level > 4) - { - struct gdbarch *arch = main_objfile->arch (); - printf_unfiltered - (_("Adding symbol %s (addr: %s)\n"), - sym->name, paddress (arch, sym->value)); - } - ent->sym = sym; - } - } + { + struct macho_sym_hash_entry *ent; + + ent = (struct macho_sym_hash_entry *) + bfd_hash_lookup (&table, sym->name, TRUE, FALSE); + if (ent->sym != NULL) + complaint (_("Duplicated symbol %s in symbol table"), sym->name); + else + { + if (mach_o_debug_level > 4) + { + struct gdbarch *arch = main_objfile->arch (); + printf_unfiltered + (_("Adding symbol %s (addr: %s)\n"), + sym->name, paddress (arch, sym->value)); + } + ent->sym = sym; + } + } } /* Relocate symbols of the OSO. */ @@ -510,79 +510,79 @@ macho_add_oso_symfile (oso_el *oso, const gdb_bfd_ref_ptr &abfd, bfd_mach_o_asymbol *mach_o_sym = (bfd_mach_o_asymbol *)sym; if (mach_o_sym->n_type & BFD_MACH_O_N_STAB) - continue; + continue; if ((mach_o_sym->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_UNDF - && sym->value != 0) - { - /* For common symbol use the min symtab and modify the OSO - symbol table. */ - CORE_ADDR res; - - res = macho_resolve_oso_sym_with_minsym (main_objfile, sym); - if (res != 0) - { - sym->section = bfd_com_section_ptr; - sym->value = res; - } - } + && sym->value != 0) + { + /* For common symbol use the min symtab and modify the OSO + symbol table. */ + CORE_ADDR res; + + res = macho_resolve_oso_sym_with_minsym (main_objfile, sym); + if (res != 0) + { + sym->section = bfd_com_section_ptr; + sym->value = res; + } + } else if ((mach_o_sym->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_SECT) - { - /* Normal symbol. */ - asection *sec = sym->section; - bfd_mach_o_section *msec; - unsigned int sec_type; - - /* Skip buggy ones. */ - if (sec == NULL || sections_rebased[sec->index] != 0) - continue; - - /* Only consider regular, non-debugging sections. */ - msec = bfd_mach_o_get_mach_o_section (sec); - sec_type = msec->flags & BFD_MACH_O_SECTION_TYPE_MASK; - if ((sec_type == BFD_MACH_O_S_REGULAR - || sec_type == BFD_MACH_O_S_ZEROFILL) - && (msec->flags & BFD_MACH_O_S_ATTR_DEBUG) == 0) - { - CORE_ADDR addr = 0; - - if ((mach_o_sym->n_type & BFD_MACH_O_N_EXT) != 0) - { - /* Use the min symtab for global symbols. */ - addr = macho_resolve_oso_sym_with_minsym (main_objfile, sym); - } - else - { - struct macho_sym_hash_entry *ent; - - ent = (struct macho_sym_hash_entry *) - bfd_hash_lookup (&table, sym->name, FALSE, FALSE); - if (ent != NULL) - addr = bfd_asymbol_value (ent->sym); - } - - /* Adjust the section. */ - if (addr != 0) - { - CORE_ADDR res = addr - sym->value; - - if (mach_o_debug_level > 3) - { - struct gdbarch *arch = main_objfile->arch (); - printf_unfiltered - (_("resolve sect %s with %s (set to %s)\n"), - sec->name, sym->name, - paddress (arch, res)); - } - bfd_set_section_vma (sec, res); - sections_rebased[sec->index] = 1; - } - } - else - { - /* Mark the section as never rebased. */ - sections_rebased[sec->index] = 2; - } - } + { + /* Normal symbol. */ + asection *sec = sym->section; + bfd_mach_o_section *msec; + unsigned int sec_type; + + /* Skip buggy ones. */ + if (sec == NULL || sections_rebased[sec->index] != 0) + continue; + + /* Only consider regular, non-debugging sections. */ + msec = bfd_mach_o_get_mach_o_section (sec); + sec_type = msec->flags & BFD_MACH_O_SECTION_TYPE_MASK; + if ((sec_type == BFD_MACH_O_S_REGULAR + || sec_type == BFD_MACH_O_S_ZEROFILL) + && (msec->flags & BFD_MACH_O_S_ATTR_DEBUG) == 0) + { + CORE_ADDR addr = 0; + + if ((mach_o_sym->n_type & BFD_MACH_O_N_EXT) != 0) + { + /* Use the min symtab for global symbols. */ + addr = macho_resolve_oso_sym_with_minsym (main_objfile, sym); + } + else + { + struct macho_sym_hash_entry *ent; + + ent = (struct macho_sym_hash_entry *) + bfd_hash_lookup (&table, sym->name, FALSE, FALSE); + if (ent != NULL) + addr = bfd_asymbol_value (ent->sym); + } + + /* Adjust the section. */ + if (addr != 0) + { + CORE_ADDR res = addr - sym->value; + + if (mach_o_debug_level > 3) + { + struct gdbarch *arch = main_objfile->arch (); + printf_unfiltered + (_("resolve sect %s with %s (set to %s)\n"), + sec->name, sym->name, + paddress (arch, res)); + } + bfd_set_section_vma (sec, res); + sections_rebased[sec->index] = 1; + } + } + else + { + /* Mark the section as never rebased. */ + sections_rebased[sec->index] = 2; + } + } } bfd_hash_table_free (&table); @@ -623,19 +623,19 @@ macho_symfile_read_all_oso (std::vector<oso_el> *oso_vector_ptr, pfx_len = get_archive_prefix_len (oso->name); if (pfx_len > 0) { - int last_ix; - oso_el *oso2; - int ix2; + int last_ix; + oso_el *oso2; + int ix2; std::string archive_name (oso->name, pfx_len); - /* Compute number of oso for this archive. */ - for (last_ix = ix; last_ix < oso_vector_ptr->size (); last_ix++) - { + /* Compute number of oso for this archive. */ + for (last_ix = ix; last_ix < oso_vector_ptr->size (); last_ix++) + { oso2 = &(*oso_vector_ptr)[last_ix]; - if (strncmp (oso2->name, archive_name.c_str (), pfx_len) != 0) - break; - } + if (strncmp (oso2->name, archive_name.c_str (), pfx_len) != 0) + break; + } /* Open the archive and check the format. */ gdb_bfd_ref_ptr archive_bfd (gdb_bfd_open (archive_name.c_str (), @@ -644,14 +644,14 @@ macho_symfile_read_all_oso (std::vector<oso_el> *oso_vector_ptr, { warning (_("Could not open OSO archive file \"%s\""), archive_name.c_str ()); - ix = last_ix; + ix = last_ix; continue; } if (!bfd_check_format (archive_bfd.get (), bfd_archive)) { warning (_("OSO archive file \"%s\" not an archive."), archive_name.c_str ()); - ix = last_ix; + ix = last_ix; continue; } @@ -662,59 +662,59 @@ macho_symfile_read_all_oso (std::vector<oso_el> *oso_vector_ptr, { warning (_("Could not read archive members out of " "OSO archive \"%s\""), archive_name.c_str ()); - ix = last_ix; + ix = last_ix; continue; } - /* Load all oso in this library. */ + /* Load all oso in this library. */ while (member_bfd != NULL) { const char *member_name = bfd_get_filename (member_bfd.get ()); - int member_len = strlen (member_name); - - /* If this member is referenced, add it as a symfile. */ - for (ix2 = ix; ix2 < last_ix; ix2++) - { - oso2 = &(*oso_vector_ptr)[ix2]; - - if (oso2->name - && strlen (oso2->name) == pfx_len + member_len + 2 - && !memcmp (member_name, oso2->name + pfx_len + 1, - member_len)) - { - macho_add_oso_symfile (oso2, member_bfd, + int member_len = strlen (member_name); + + /* If this member is referenced, add it as a symfile. */ + for (ix2 = ix; ix2 < last_ix; ix2++) + { + oso2 = &(*oso_vector_ptr)[ix2]; + + if (oso2->name + && strlen (oso2->name) == pfx_len + member_len + 2 + && !memcmp (member_name, oso2->name + pfx_len + 1, + member_len)) + { + macho_add_oso_symfile (oso2, member_bfd, bfd_get_filename (member_bfd.get ()), - main_objfile, symfile_flags); - oso2->name = NULL; - break; - } - } + main_objfile, symfile_flags); + oso2->name = NULL; + break; + } + } member_bfd = gdb_bfd_openr_next_archived_file (archive_bfd.get (), member_bfd.get ()); } - for (ix2 = ix; ix2 < last_ix; ix2++) - { - oso2 = &(*oso_vector_ptr)[ix2]; - - if (oso2->name != NULL) - warning (_("Could not find specified archive member " - "for OSO name \"%s\""), oso->name); - } - ix = last_ix; + for (ix2 = ix; ix2 < last_ix; ix2++) + { + oso2 = &(*oso_vector_ptr)[ix2]; + + if (oso2->name != NULL) + warning (_("Could not find specified archive member " + "for OSO name \"%s\""), oso->name); + } + ix = last_ix; } else { gdb_bfd_ref_ptr abfd (gdb_bfd_open (oso->name, gnutarget)); if (abfd == NULL) - warning (_("`%s': can't open to read symbols: %s."), oso->name, - bfd_errmsg (bfd_get_error ())); - else - macho_add_oso_symfile (oso, abfd, oso->name, main_objfile, + warning (_("`%s': can't open to read symbols: %s."), oso->name, + bfd_errmsg (bfd_get_error ())); + else + macho_add_oso_symfile (oso, abfd, oso->name, main_objfile, symfile_flags); - ix++; - } + ix++; + } } } @@ -749,7 +749,7 @@ macho_check_dsym (struct objfile *objfile, std::string *filenamep) return NULL; if (bfd_mach_o_lookup_command (objfile->obfd, - BFD_MACH_O_LC_UUID, &main_uuid) == 0) + BFD_MACH_O_LC_UUID, &main_uuid) == 0) { warning (_("can't find UUID in %s"), objfile_name (objfile)); return NULL; @@ -768,13 +768,13 @@ macho_check_dsym (struct objfile *objfile, std::string *filenamep) } if (bfd_mach_o_lookup_command (dsym_bfd.get (), - BFD_MACH_O_LC_UUID, &dsym_uuid) == 0) + BFD_MACH_O_LC_UUID, &dsym_uuid) == 0) { warning (_("can't find UUID in %s"), dsym_filename); return NULL; } if (memcmp (dsym_uuid->command.uuid.uuid, main_uuid->command.uuid.uuid, - sizeof (main_uuid->command.uuid.uuid))) + sizeof (main_uuid->command.uuid.uuid))) { warning (_("dsym file UUID doesn't match the one in %s"), objfile_name (objfile)); @@ -814,7 +814,7 @@ macho_symfile_read (struct objfile *objfile, symfile_add_flags symfile_flags) symbol_table.resize (storage_needed / sizeof (asymbol *)); - minimal_symbol_reader reader (objfile); + minimal_symbol_reader reader (objfile); symcount = bfd_canonicalize_symtab (objfile->obfd, symbol_table.data ()); @@ -827,7 +827,7 @@ macho_symfile_read (struct objfile *objfile, symfile_add_flags symfile_flags) macho_symtab_read (reader, objfile, symcount, symbol_table.data (), &oso_vector); - reader.install (); + reader.install (); } /* Try to read .eh_frame / .debug_frame. */ @@ -840,27 +840,27 @@ macho_symfile_read (struct objfile *objfile, symfile_add_flags symfile_flags) gdb_bfd_ref_ptr dsym_bfd (macho_check_dsym (objfile, &dsym_filename)); if (dsym_bfd != NULL) { - struct bfd_section *asect, *dsect; + struct bfd_section *asect, *dsect; if (mach_o_debug_level > 0) printf_unfiltered (_("dsym file found\n")); - /* Set dsym section size. */ - for (asect = objfile->obfd->sections, dsect = dsym_bfd->sections; - asect && dsect; - asect = asect->next, dsect = dsect->next) - { - if (strcmp (asect->name, dsect->name) != 0) - break; - bfd_set_section_size (dsect, bfd_section_size (asect)); - } + /* Set dsym section size. */ + for (asect = objfile->obfd->sections, dsect = dsym_bfd->sections; + asect && dsect; + asect = asect->next, dsect = dsect->next) + { + if (strcmp (asect->name, dsect->name) != 0) + break; + bfd_set_section_size (dsect, bfd_section_size (asect)); + } /* Add the dsym file as a separate file. */ - symbol_file_add_separate (dsym_bfd.get (), dsym_filename.c_str (), + symbol_file_add_separate (dsym_bfd.get (), dsym_filename.c_str (), symfile_flags, objfile); /* Don't try to read dwarf2 from main file or shared libraries. */ - return; + return; } } @@ -877,7 +877,7 @@ macho_symfile_read (struct objfile *objfile, symfile_add_flags symfile_flags) static bfd_byte * macho_symfile_relocate (struct objfile *objfile, asection *sectp, - bfd_byte *buf) + bfd_byte *buf) { bfd *abfd = objfile->obfd; @@ -888,7 +888,7 @@ macho_symfile_relocate (struct objfile *objfile, asection *sectp, if (mach_o_debug_level > 0) printf_unfiltered (_("Relocate section '%s' of %s\n"), - sectp->name, objfile_name (objfile)); + sectp->name, objfile_name (objfile)); return bfd_simple_get_relocated_section_contents (abfd, sectp, buf, NULL); } @@ -900,7 +900,7 @@ macho_symfile_finish (struct objfile *objfile) static void macho_symfile_offsets (struct objfile *objfile, - const section_addr_info &addrs) + const section_addr_info &addrs) { unsigned int i; struct obj_section *osect; |