X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fpsymtab.c;h=56c1b68b541c4e5278b0a5e86e3634332264d094;hb=48993951ce343e397c4250c43c1708fffab01ac1;hp=549628cad6a50a520a8770a5dff68d4d7671d453;hpb=4ae976d1df96aee0ecd97ea1235efc4490562932;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/psymtab.c b/gdb/psymtab.c index 549628cad6..56c1b68b54 100644 --- a/gdb/psymtab.c +++ b/gdb/psymtab.c @@ -1,6 +1,6 @@ /* Partial symbol tables. - Copyright (C) 2009-2018 Free Software Foundation, Inc. + Copyright (C) 2009-2020 Free Software Foundation, Inc. This file is part of GDB. @@ -19,17 +19,16 @@ #include "defs.h" #include "symtab.h" -#include "psympriv.h" #include "objfiles.h" +#include "psympriv.h" #include "block.h" #include "filenames.h" #include "source.h" #include "addrmap.h" #include "gdbtypes.h" -#include "bcache.h" #include "ui-out.h" #include "command.h" -#include "readline/readline.h" +#include "readline/tilde.h" #include "gdb_regex.h" #include "dictionary.h" #include "language.h" @@ -38,18 +37,6 @@ #include #include -struct psymbol_bcache -{ - struct bcache *bcache; -}; - -static struct partial_symbol *match_partial_symbol (struct objfile *, - struct partial_symtab *, - int, - const char *, domain_enum, - symbol_name_match_type, - symbol_compare_ftype *); - static struct partial_symbol *lookup_partial_symbol (struct objfile *, struct partial_symtab *, const char *, int, @@ -62,17 +49,45 @@ static struct partial_symbol *find_pc_sect_psymbol (struct objfile *, CORE_ADDR, struct obj_section *); -static void fixup_psymbol_section (struct partial_symbol *psym, - struct objfile *objfile); - static struct compunit_symtab *psymtab_to_symtab (struct objfile *objfile, struct partial_symtab *pst); -/* Ensure that the partial symbols for OBJFILE have been loaded. This - function always returns its argument, as a convenience. */ + + +static unsigned long psymbol_hash (const void *addr, int length); +static int psymbol_compare (const void *addr1, const void *addr2, int length); + +psymtab_storage::psymtab_storage () + : psymbol_cache (psymbol_hash, psymbol_compare) +{ +} + +psymtab_storage::~psymtab_storage () +{ + partial_symtab *iter = psymtabs; + while (iter != nullptr) + { + partial_symtab *next = iter->next; + delete iter; + iter = next; + } +} + +/* See psymtab.h. */ + +void +psymtab_storage::install_psymtab (partial_symtab *pst) +{ + pst->next = psymtabs; + psymtabs = pst; +} + + + +/* See psymtab.h. */ -struct objfile * -require_partial_symbols (struct objfile *objfile, int verbose) +psymtab_storage::partial_symtab_range +require_partial_symbols (struct objfile *objfile, bool verbose) { if ((objfile->flags & OBJF_PSYMTABS_READ) == 0) { @@ -81,53 +96,24 @@ require_partial_symbols (struct objfile *objfile, int verbose) if (objfile->sf->sym_read_psymbols) { if (verbose) - { - printf_unfiltered (_("Reading symbols from %s..."), - objfile_name (objfile)); - gdb_flush (gdb_stdout); - } + printf_filtered (_("Reading symbols from %s...\n"), + objfile_name (objfile)); (*objfile->sf->sym_read_psymbols) (objfile); /* Partial symbols list are not expected to changed after this point. */ - objfile->global_psymbols.shrink_to_fit (); - objfile->static_psymbols.shrink_to_fit (); - - if (verbose) - { - if (!objfile_has_symbols (objfile)) - { - wrap_here (""); - printf_unfiltered (_("(no debugging symbols found)...")); - wrap_here (""); - } + objfile->partial_symtabs->global_psymbols.shrink_to_fit (); + objfile->partial_symtabs->static_psymbols.shrink_to_fit (); - printf_unfiltered (_("done.\n")); - } + if (verbose && !objfile_has_symbols (objfile)) + printf_filtered (_("(No debugging symbols found in %s)\n"), + objfile_name (objfile)); } } - return objfile; + return objfile->psymtabs (); } -/* 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) - /* Helper function for psym_map_symtabs_matching_filename that expands the symtabs and calls the iterator. */ @@ -145,7 +131,7 @@ partial_map_expand_apply (struct objfile *objfile, gdb_assert (pst->user == NULL); /* Don't visit already-expanded psymtabs. */ - if (pst->readin) + if (pst->readin_p ()) return 0; /* This may expand more than one symtab, and we want to iterate over @@ -166,57 +152,56 @@ psym_map_symtabs_matching_filename const char *real_path, gdb::function_view callback) { - struct partial_symtab *pst; const char *name_basename = lbasename (name); - ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) - { - /* We can skip shared psymtabs here, because any file name will be - attached to the unshared psymtab. */ - if (pst->user != NULL) - continue; - - /* Anonymous psymtabs don't have a file name. */ - if (pst->anonymous) - continue; + for (partial_symtab *pst : require_partial_symbols (objfile, true)) + { + /* We can skip shared psymtabs here, because any file name will be + attached to the unshared psymtab. */ + if (pst->user != NULL) + continue; - if (compare_filenames_for_search (pst->filename, name)) - { - if (partial_map_expand_apply (objfile, name, real_path, - pst, callback)) - return true; + /* Anonymous psymtabs don't have a file name. */ + if (pst->anonymous) continue; - } - /* Before we invoke realpath, which can get expensive when many - files are involved, do a quick comparison of the basenames. */ - if (! basenames_may_differ - && FILENAME_CMP (name_basename, lbasename (pst->filename)) != 0) - continue; + if (compare_filenames_for_search (pst->filename, name)) + { + if (partial_map_expand_apply (objfile, name, real_path, + pst, callback)) + return true; + continue; + } - if (compare_filenames_for_search (psymtab_to_fullname (pst), name)) - { - if (partial_map_expand_apply (objfile, name, real_path, - pst, callback)) - return true; + /* Before we invoke realpath, which can get expensive when many + files are involved, do a quick comparison of the basenames. */ + if (! basenames_may_differ + && FILENAME_CMP (name_basename, lbasename (pst->filename)) != 0) continue; - } - /* If the user gave us an absolute path, try to find the file in - this symtab and use its absolute path. */ - if (real_path != NULL) - { - gdb_assert (IS_ABSOLUTE_PATH (real_path)); - gdb_assert (IS_ABSOLUTE_PATH (name)); - if (filename_cmp (psymtab_to_fullname (pst), real_path) == 0) - { - if (partial_map_expand_apply (objfile, name, real_path, - pst, callback)) - return true; - continue; - } - } - } + if (compare_filenames_for_search (psymtab_to_fullname (pst), name)) + { + if (partial_map_expand_apply (objfile, name, real_path, + pst, callback)) + return true; + continue; + } + + /* If the user gave us an absolute path, try to find the file in + this symtab and use its absolute path. */ + if (real_path != NULL) + { + gdb_assert (IS_ABSOLUTE_PATH (real_path)); + gdb_assert (IS_ABSOLUTE_PATH (name)); + if (filename_cmp (psymtab_to_fullname (pst), real_path) == 0) + { + if (partial_map_expand_apply (objfile, name, real_path, + pst, callback)) + return true; + continue; + } + } + } return false; } @@ -232,7 +217,7 @@ find_pc_sect_psymtab_closer (struct objfile *objfile, { struct partial_symtab *tpst; struct partial_symtab *best_pst = pst; - CORE_ADDR best_addr = pst->text_low (); + CORE_ADDR best_addr = pst->text_low (objfile); gdb_assert (!pst->psymtabs_addrmap_supported); @@ -256,7 +241,7 @@ find_pc_sect_psymtab_closer (struct objfile *objfile, that is closest and still less than the given PC. */ for (tpst = pst; tpst != NULL; tpst = tpst->next) { - if (pc >= tpst->text_low () && pc < tpst->text_high ()) + if (pc >= tpst->text_low (objfile) && pc < tpst->text_high (objfile)) { struct partial_symbol *p; CORE_ADDR this_addr; @@ -277,7 +262,7 @@ find_pc_sect_psymtab_closer (struct objfile *objfile, if (p != NULL) this_addr = p->address (objfile); else - this_addr = tpst->text_low (); + this_addr = tpst->text_low (objfile); /* Check whether it is closer than our current BEST_ADDR. Since this symbol address is @@ -309,15 +294,27 @@ find_pc_sect_psymtab (struct objfile *objfile, CORE_ADDR pc, struct obj_section *section, struct bound_minimal_symbol msymbol) { - struct partial_symtab *pst; - - /* Try just the PSYMTABS_ADDRMAP mapping first as it has better granularity - than the later used TEXTLOW/TEXTHIGH one. */ - - if (objfile->psymtabs_addrmap != NULL) + /* Try just the PSYMTABS_ADDRMAP mapping first as it has better + granularity than the later used TEXTLOW/TEXTHIGH one. However, we need + to take care as the PSYMTABS_ADDRMAP can hold things other than partial + symtabs in some cases. + + This function should only be called for objfiles that are using partial + symtabs, not for objfiles that are using indexes (.gdb_index or + .debug_names), however 'maintenance print psymbols' calls this function + directly for all objfiles. If we assume that PSYMTABS_ADDRMAP contains + partial symtabs then we will end up returning a pointer to an object + that is not a partial_symtab, which doesn't end well. */ + + if (objfile->partial_symtabs->psymtabs != NULL + && objfile->partial_symtabs->psymtabs_addrmap != NULL) { - pst = ((struct partial_symtab *) - addrmap_find (objfile->psymtabs_addrmap, pc)); + CORE_ADDR baseaddr = objfile->text_section_offset (); + + struct partial_symtab *pst + = ((struct partial_symtab *) + addrmap_find (objfile->partial_symtabs->psymtabs_addrmap, + pc - baseaddr)); if (pst != NULL) { /* FIXME: addrmaps currently do not handle overlayed sections, @@ -359,9 +356,9 @@ 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_REQUIRED (objfile, pst) + for (partial_symtab *pst : require_partial_symbols (objfile, true)) if (!pst->psymtabs_addrmap_supported - && pc >= pst->text_low () && pc < pst->text_high ()) + && pc >= pst->text_low (objfile) && pc < pst->text_high (objfile)) { struct partial_symtab *best_pst; @@ -388,7 +385,7 @@ psym_find_pc_sect_compunit_symtab (struct objfile *objfile, msymbol); if (ps != NULL) { - if (warn_if_readin && ps->readin) + if (warn_if_readin && ps->readin_p ()) /* Might want to error() here (in case symtab is corrupt and will cause a core dump), but maybe we can successfully continue, so let's not. */ @@ -396,7 +393,7 @@ psym_find_pc_sect_compunit_symtab (struct objfile *objfile, (Internal error: pc %s in read in psymtab, but not in symtab.)\n"), paddress (get_objfile_arch (objfile), pc)); psymtab_to_symtab (objfile, ps); - return ps->compunit_symtab; + return ps->get_compunit_symtab (); } return NULL; } @@ -411,30 +408,31 @@ find_pc_sect_psymbol (struct objfile *objfile, { struct partial_symbol *best = NULL; CORE_ADDR best_pc; + const CORE_ADDR textlow = psymtab->text_low (objfile); gdb_assert (psymtab != NULL); /* Cope with programs that start at address 0. */ - best_pc = ((psymtab->text_low () != 0) - ? psymtab->text_low () - 1 : 0); + best_pc = (textlow != 0) ? textlow - 1 : 0; /* Search the global symbols as well as the static symbols, so that find_pc_partial_function doesn't use a minimal symbol and thus cache a bad endaddr. */ for (int i = 0; i < psymtab->n_global_syms; i++) { - partial_symbol *p = objfile->global_psymbols[psymtab->globals_offset + i]; + partial_symbol *p + = objfile->partial_symtabs->global_psymbols[psymtab->globals_offset + + i]; if (p->domain == VAR_DOMAIN && p->aclass == LOC_BLOCK && pc >= p->address (objfile) && (p->address (objfile) > best_pc - || (psymtab->text_low () == 0 + || (psymtab->text_low (objfile) == 0 && best_pc == 0 && p->address (objfile) == 0))) { if (section != NULL) /* Match on a specific section. */ { - fixup_psymbol_section (p, objfile); if (!matching_obj_sections (p->obj_section (objfile), section)) continue; @@ -446,18 +444,19 @@ find_pc_sect_psymbol (struct objfile *objfile, for (int i = 0; i < psymtab->n_static_syms; i++) { - partial_symbol *p = objfile->static_psymbols[psymtab->statics_offset + i]; + partial_symbol *p + = objfile->partial_symtabs->static_psymbols[psymtab->statics_offset + + i]; if (p->domain == VAR_DOMAIN && p->aclass == LOC_BLOCK && pc >= p->address (objfile) && (p->address (objfile) > best_pc - || (psymtab->text_low () == 0 + || (psymtab->text_low (objfile) == 0 && best_pc == 0 && p->address (objfile) == 0))) { if (section != NULL) /* Match on a specific section. */ { - fixup_psymbol_section (p, objfile); if (!matching_obj_sections (p->obj_section (objfile), section)) continue; @@ -470,80 +469,50 @@ find_pc_sect_psymbol (struct objfile *objfile, return best; } -static void -fixup_psymbol_section (struct partial_symbol *psym, struct objfile *objfile) -{ - CORE_ADDR addr; - - if (psym == NULL) - return; - - if (psym->section >= 0) - return; - - gdb_assert (objfile); - - switch (psym->aclass) - { - case LOC_STATIC: - case LOC_LABEL: - case LOC_BLOCK: - addr = psym->address (objfile); - break; - default: - /* Nothing else will be listed in the minsyms -- no use looking - it up. */ - return; - } - - fixup_section (psym, addr, objfile); -} - /* Psymtab version of lookup_symbol. See its definition in the definition of quick_symbol_functions in symfile.h. */ static struct compunit_symtab * psym_lookup_symbol (struct objfile *objfile, - int block_index, const char *name, + block_enum block_index, const char *name, const domain_enum domain) { - struct partial_symtab *ps; const int psymtab_index = (block_index == GLOBAL_BLOCK ? 1 : 0); struct compunit_symtab *stab_best = NULL; lookup_name_info lookup_name (name, symbol_name_match_type::FULL); - ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) - { - if (!ps->readin && lookup_partial_symbol (objfile, ps, name, - psymtab_index, domain)) - { - struct symbol *sym, *with_opaque = NULL; - struct compunit_symtab *stab = psymtab_to_symtab (objfile, ps); - /* Note: While psymtab_to_symtab can return NULL if the partial symtab - is empty, we can assume it won't here because lookup_partial_symbol - succeeded. */ - const struct blockvector *bv = COMPUNIT_BLOCKVECTOR (stab); - struct block *block = BLOCKVECTOR_BLOCK (bv, block_index); - - sym = block_find_symbol (block, name, domain, - block_find_non_opaque_type_preferred, - &with_opaque); - - /* Some caution must be observed with overloaded functions - and methods, since the index will not contain any overload - information (but NAME might contain it). */ - - if (sym != NULL - && SYMBOL_MATCHES_SEARCH_NAME (sym, lookup_name)) - return stab; - if (with_opaque != NULL - && SYMBOL_MATCHES_SEARCH_NAME (with_opaque, lookup_name)) - stab_best = stab; - - /* Keep looking through other psymtabs. */ - } - } + for (partial_symtab *ps : require_partial_symbols (objfile, true)) + { + if (!ps->readin_p () && lookup_partial_symbol (objfile, ps, name, + psymtab_index, domain)) + { + struct symbol *sym, *with_opaque = NULL; + struct compunit_symtab *stab = psymtab_to_symtab (objfile, ps); + /* Note: While psymtab_to_symtab can return NULL if the + partial symtab is empty, we can assume it won't here + because lookup_partial_symbol succeeded. */ + const struct blockvector *bv = COMPUNIT_BLOCKVECTOR (stab); + const struct block *block = BLOCKVECTOR_BLOCK (bv, block_index); + + sym = block_find_symbol (block, name, domain, + block_find_non_opaque_type_preferred, + &with_opaque); + + /* Some caution must be observed with overloaded functions + and methods, since the index will not contain any overload + information (but NAME might contain it). */ + + if (sym != NULL + && SYMBOL_MATCHES_SEARCH_NAME (sym, lookup_name)) + return stab; + if (with_opaque != NULL + && SYMBOL_MATCHES_SEARCH_NAME (with_opaque, lookup_name)) + stab_best = stab; + + /* Keep looking through other psymtabs. */ + } + } return stab_best; } @@ -554,10 +523,10 @@ static bool psymbol_name_matches (partial_symbol *psym, const lookup_name_info &lookup_name) { - const language_defn *lang = language_def (psym->language); + const language_defn *lang = language_def (psym->ginfo.language ()); symbol_name_matcher_ftype *name_match = get_symbol_name_matcher (lang, lookup_name); - return name_match (symbol_search_name (psym), lookup_name, NULL); + return name_match (psym->ginfo.search_name (), lookup_name, NULL); } /* Look in PST for a symbol in DOMAIN whose name matches NAME. Search @@ -571,8 +540,7 @@ psymbol_name_matches (partial_symbol *psym, static struct partial_symbol * match_partial_symbol (struct objfile *objfile, struct partial_symtab *pst, int global, - const char *name, domain_enum domain, - symbol_name_match_type match_type, + const lookup_name_info &name, domain_enum domain, symbol_compare_ftype *ordered_compare) { struct partial_symbol **start, **psym; @@ -583,11 +551,9 @@ match_partial_symbol (struct objfile *objfile, if (length == 0) return NULL; - lookup_name_info lookup_name (name, match_type); - start = (global ? - &objfile->global_psymbols[pst->globals_offset] : - &objfile->static_psymbols[pst->statics_offset]); + &objfile->partial_symtabs->global_psymbols[pst->globals_offset] : + &objfile->partial_symtabs->static_psymbols[pst->statics_offset]); if (global && ordered_compare) /* Can use a binary search. */ { @@ -607,11 +573,12 @@ match_partial_symbol (struct objfile *objfile, center = bottom + (top - bottom) / 2; gdb_assert (center < top); - enum language lang = (*center)->language; + enum language lang = (*center)->ginfo.language (); const char *lang_ln - = lookup_name.language_lookup_name (lang).c_str (); + = name.language_lookup_name (lang).c_str (); - if (ordered_compare (symbol_search_name (*center), lang_ln) >= 0) + if (ordered_compare ((*center)->ginfo.search_name (), + lang_ln) >= 0) top = center; else bottom = center + 1; @@ -619,9 +586,9 @@ match_partial_symbol (struct objfile *objfile, gdb_assert (top == bottom); while (top <= real_top - && psymbol_name_matches (*top, lookup_name)) + && psymbol_name_matches (*top, name)) { - if (symbol_matches_domain ((*top)->language, + if (symbol_matches_domain ((*top)->ginfo.language (), (*top)->domain, domain)) return *top; top++; @@ -635,9 +602,9 @@ match_partial_symbol (struct objfile *objfile, { for (psym = start; psym < start + length; psym++) { - if (symbol_matches_domain ((*psym)->language, + if (symbol_matches_domain ((*psym)->ginfo.language (), (*psym)->domain, domain) - && psymbol_name_matches (*psym, lookup_name)) + && psymbol_name_matches (*psym, name)) return *psym; } } @@ -672,7 +639,7 @@ psymtab_search_name (const char *name) break; } - return gdb::unique_xmalloc_ptr (xstrdup (name)); + return make_unique_xstrdup (name); } /* Look, in partial_symtab PST, for symbol whose natural name is NAME. @@ -696,8 +663,8 @@ lookup_partial_symbol (struct objfile *objfile, lookup_name_info lookup_name (search_name.get (), symbol_name_match_type::FULL); start = (global ? - &objfile->global_psymbols[pst->globals_offset] : - &objfile->static_psymbols[pst->statics_offset]); + &objfile->partial_symtabs->global_psymbols[pst->globals_offset] : + &objfile->partial_symtabs->static_psymbols[pst->statics_offset]); if (global) /* This means we can use a binary search. */ { @@ -718,7 +685,7 @@ lookup_partial_symbol (struct objfile *objfile, if (!(center < top)) internal_error (__FILE__, __LINE__, _("failed internal consistency check")); - if (strcmp_iw_ordered (symbol_search_name (*center), + if (strcmp_iw_ordered ((*center)->ginfo.search_name (), search_name.get ()) >= 0) { top = center; @@ -734,15 +701,17 @@ lookup_partial_symbol (struct objfile *objfile, /* For `case_sensitivity == case_sensitive_off' strcmp_iw_ordered will search more exactly than what matches SYMBOL_MATCHES_SEARCH_NAME. */ - while (top >= start && symbol_matches_search_name (*top, lookup_name)) + while (top >= start && symbol_matches_search_name (&(*top)->ginfo, + lookup_name)) top--; /* Fixup to have a symbol which matches SYMBOL_MATCHES_SEARCH_NAME. */ top++; - while (top <= real_top && symbol_matches_search_name (*top, lookup_name)) + while (top <= real_top && symbol_matches_search_name (&(*top)->ginfo, + lookup_name)) { - if (symbol_matches_domain ((*top)->language, + if (symbol_matches_domain ((*top)->ginfo.language (), (*top)->domain, domain)) return *top; top++; @@ -756,9 +725,9 @@ lookup_partial_symbol (struct objfile *objfile, { for (psym = start; psym < start + length; psym++) { - if (symbol_matches_domain ((*psym)->language, + if (symbol_matches_domain ((*psym)->ginfo.language (), (*psym)->domain, domain) - && symbol_matches_search_name (*psym, lookup_name)) + && symbol_matches_search_name (&(*psym)->ginfo, lookup_name)) return *psym; } } @@ -781,54 +750,25 @@ psymtab_to_symtab (struct objfile *objfile, struct partial_symtab *pst) pst = pst->user; /* If it's been looked up before, return it. */ - if (pst->compunit_symtab) - return pst->compunit_symtab; + if (pst->get_compunit_symtab ()) + return pst->get_compunit_symtab (); /* If it has not yet been read in, read it. */ - if (!pst->readin) + if (!pst->readin_p ()) { scoped_restore decrementer = increment_reading_symtab (); - (*pst->read_symtab) (pst, objfile); - } - - return pst->compunit_symtab; -} - -/* Psymtab version of relocate. See its definition in - the definition of quick_symbol_functions in symfile.h. */ - -static void -psym_relocate (struct objfile *objfile, - const struct section_offsets *new_offsets, - const struct section_offsets *delta) -{ - struct partial_symtab *p; - - ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) - { - p->set_text_low (p->text_low () - + ANOFFSET (delta, SECT_OFF_TEXT (objfile))); - p->set_text_high (p->text_high () - + ANOFFSET (delta, SECT_OFF_TEXT (objfile))); - } + if (info_verbose) + { + printf_filtered (_("Reading in symbols for %s...\n"), + pst->filename); + gdb_flush (gdb_stdout); + } - for (partial_symbol *psym : objfile->global_psymbols) - { - fixup_psymbol_section (psym, objfile); - if (psym->section >= 0) - psym->set_address (psym->unrelocated_address () - + ANOFFSET (delta, psym->section)); - } - for (partial_symbol *psym : objfile->static_psymbols) - { - fixup_psymbol_section (psym, objfile); - if (psym->section >= 0) - psym->set_address (psym->unrelocated_address () - + ANOFFSET (delta, psym->section)); + pst->read_symtab (objfile); } - objfile->psymbol_map.clear (); + return pst->get_compunit_symtab (); } /* Psymtab version of find_last_source_symtab. See its definition in @@ -837,10 +777,9 @@ psym_relocate (struct objfile *objfile, static struct symtab * psym_find_last_source_symtab (struct objfile *ofp) { - struct partial_symtab *ps; struct partial_symtab *cs_pst = NULL; - ALL_OBJFILE_PSYMTABS_REQUIRED (ofp, ps) + for (partial_symtab *ps : require_partial_symbols (ofp, true)) { const char *name = ps->filename; int len = strlen (name); @@ -852,7 +791,7 @@ psym_find_last_source_symtab (struct objfile *ofp) if (cs_pst) { - if (cs_pst->readin) + if (cs_pst->readin_p ()) { internal_error (__FILE__, __LINE__, _("select_source_symtab: " @@ -876,9 +815,7 @@ psym_find_last_source_symtab (struct objfile *ofp) static void psym_forget_cached_source_info (struct objfile *objfile) { - struct partial_symtab *pst; - - ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) + for (partial_symtab *pst : require_partial_symbols (objfile, true)) { if (pst->fullname != NULL) { @@ -897,10 +834,11 @@ print_partial_symbols (struct gdbarch *gdbarch, struct objfile *objfile, while (count-- > 0) { QUIT; - fprintf_filtered (outfile, " `%s'", (*p)->name); - if (symbol_demangled_name (*p) != NULL) + fprintf_filtered (outfile, " `%s'", (*p)->ginfo.linkage_name ()); + if ((*p)->ginfo.demangled_name () != NULL) { - fprintf_filtered (outfile, " `%s'", symbol_demangled_name (*p)); + fprintf_filtered (outfile, " `%s'", + (*p)->ginfo.demangled_name ()); } fputs_filtered (", ", outfile); switch ((*p)->domain) @@ -914,9 +852,15 @@ print_partial_symbols (struct gdbarch *gdbarch, struct objfile *objfile, case STRUCT_DOMAIN: fputs_filtered ("struct domain, ", outfile); break; + case MODULE_DOMAIN: + fputs_filtered ("module domain, ", outfile); + break; case LABEL_DOMAIN: fputs_filtered ("label domain, ", outfile); break; + case COMMON_BLOCK_DOMAIN: + fputs_filtered ("common block domain, ", outfile); + break; default: fputs_filtered (", ", outfile); break; @@ -999,25 +943,23 @@ dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab, fprintf_filtered (outfile, "(object "); gdb_print_host_address (psymtab, outfile); fprintf_filtered (outfile, ")\n\n"); - fprintf_unfiltered (outfile, " Read from object file %s (", - objfile_name (objfile)); + fprintf_filtered (outfile, " Read from object file %s (", + objfile_name (objfile)); gdb_print_host_address (objfile, outfile); - fprintf_unfiltered (outfile, ")\n"); + fprintf_filtered (outfile, ")\n"); - if (psymtab->readin) + if (psymtab->readin_p ()) { fprintf_filtered (outfile, " Full symtab was read (at "); - gdb_print_host_address (psymtab->compunit_symtab, outfile); - fprintf_filtered (outfile, " by function at "); - gdb_print_host_address (psymtab->read_symtab, outfile); + gdb_print_host_address (psymtab->get_compunit_symtab (), outfile); fprintf_filtered (outfile, ")\n"); } fprintf_filtered (outfile, " Symbols cover text addresses "); - fputs_filtered (paddress (gdbarch, psymtab->text_low ()), outfile); + fputs_filtered (paddress (gdbarch, psymtab->text_low (objfile)), outfile); fprintf_filtered (outfile, "-"); - fputs_filtered (paddress (gdbarch, psymtab->text_high ()), outfile); + fputs_filtered (paddress (gdbarch, psymtab->text_high (objfile)), outfile); fprintf_filtered (outfile, "\n"); fprintf_filtered (outfile, " Address map supported - %s.\n", psymtab->psymtabs_addrmap_supported ? "yes" : "no"); @@ -1038,15 +980,17 @@ dump_psymtab (struct objfile *objfile, struct partial_symtab *psymtab, } if (psymtab->n_global_syms > 0) { - print_partial_symbols (gdbarch, objfile, - &objfile->global_psymbols[psymtab->globals_offset], - psymtab->n_global_syms, "Global", outfile); + print_partial_symbols + (gdbarch, objfile, + &objfile->partial_symtabs->global_psymbols[psymtab->globals_offset], + psymtab->n_global_syms, "Global", outfile); } if (psymtab->n_static_syms > 0) { - print_partial_symbols (gdbarch, objfile, - &objfile->static_psymbols[psymtab->statics_offset], - psymtab->n_static_syms, "Static", outfile); + print_partial_symbols + (gdbarch, objfile, + &objfile->partial_symtabs->static_psymbols[psymtab->statics_offset], + psymtab->n_static_syms, "Static", outfile); } fprintf_filtered (outfile, "\n"); } @@ -1058,12 +1002,11 @@ static void psym_print_stats (struct objfile *objfile) { int i; - struct partial_symtab *ps; i = 0; - ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) + for (partial_symtab *ps : require_partial_symbols (objfile, true)) { - if (ps->readin == 0) + if (!ps->readin_p ()) i++; } printf_filtered (_(" Number of psym tables (not yet expanded): %d\n"), i); @@ -1077,10 +1020,10 @@ psym_dump (struct objfile *objfile) { struct partial_symtab *psymtab; - if (objfile->psymtabs) + if (objfile->partial_symtabs->psymtabs) { printf_filtered ("Psymtabs:\n"); - for (psymtab = objfile->psymtabs; + for (psymtab = objfile->partial_symtabs->psymtabs; psymtab != NULL; psymtab = psymtab->next) { @@ -1101,19 +1044,17 @@ static void psym_expand_symtabs_for_function (struct objfile *objfile, const char *func_name) { - struct partial_symtab *ps; - - ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) - { - if (ps->readin) - continue; + for (partial_symtab *ps : require_partial_symbols (objfile, true)) + { + if (ps->readin_p ()) + continue; - if ((lookup_partial_symbol (objfile, ps, func_name, 1, VAR_DOMAIN) - != NULL) - || (lookup_partial_symbol (objfile, ps, func_name, 0, VAR_DOMAIN) - != NULL)) - psymtab_to_symtab (objfile, ps); - } + if ((lookup_partial_symbol (objfile, ps, func_name, 1, VAR_DOMAIN) + != NULL) + || (lookup_partial_symbol (objfile, ps, func_name, 0, VAR_DOMAIN) + != NULL)) + psymtab_to_symtab (objfile, ps); + } } /* Psymtab version of expand_all_symtabs. See its definition in @@ -1122,12 +1063,8 @@ psym_expand_symtabs_for_function (struct objfile *objfile, static void psym_expand_all_symtabs (struct objfile *objfile) { - struct partial_symtab *psymtab; - - ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab) - { - psymtab_to_symtab (objfile, psymtab); - } + for (partial_symtab *psymtab : require_partial_symbols (objfile, true)) + psymtab_to_symtab (objfile, psymtab); } /* Psymtab version of expand_symtabs_with_fullname. See its definition in @@ -1137,9 +1074,7 @@ static void psym_expand_symtabs_with_fullname (struct objfile *objfile, const char *fullname) { - struct partial_symtab *p; - - ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p) + for (partial_symtab *p : require_partial_symbols (objfile, true)) { /* Anonymous psymtabs don't have a name of a source file. */ if (p->anonymous) @@ -1162,13 +1097,11 @@ psym_map_symbol_filenames (struct objfile *objfile, symbol_filename_ftype *fun, void *data, int need_fullname) { - struct partial_symtab *ps; - - ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) + for (partial_symtab *ps : require_partial_symbols (objfile, true)) { const char *fullname; - if (ps->readin) + if (ps->readin_p ()) continue; /* We can skip shared psymtabs here, because any file name will be @@ -1208,12 +1141,11 @@ psymtab_to_fullname (struct partial_symtab *ps) if (ps->fullname == NULL) { gdb::unique_xmalloc_ptr fullname; - int fd = find_and_open_source (ps->filename, ps->dirname, &fullname); + scoped_fd fd = find_and_open_source (ps->filename, ps->dirname, + &fullname); ps->fullname = fullname.release (); - if (fd >= 0) - close (fd); - else + if (fd.get () < 0) { /* rewrite_source_path would be applied by find_and_open_source, we should report the pathname where GDB tried to find the file. */ @@ -1233,70 +1165,34 @@ psymtab_to_fullname (struct partial_symtab *ps) return ps->fullname; } -/* For all symbols, s, in BLOCK that are in DOMAIN and match NAME - according to the function MATCH, call CALLBACK(BLOCK, s, DATA). - BLOCK is assumed to come from OBJFILE. Returns 1 iff CALLBACK - ever returns non-zero, and otherwise returns 0. */ - -static int -map_block (const char *name, domain_enum domain, struct objfile *objfile, - struct block *block, - int (*callback) (struct block *, struct symbol *, void *), - void *data, symbol_name_match_type match) -{ - struct block_iterator iter; - struct symbol *sym; - - lookup_name_info lookup_name (name, match); - - for (sym = block_iter_match_first (block, lookup_name, &iter); - sym != NULL; - sym = block_iter_match_next (lookup_name, &iter)) - { - if (symbol_matches_domain (SYMBOL_LANGUAGE (sym), - SYMBOL_DOMAIN (sym), domain)) - { - if (callback (block, sym, data)) - return 1; - } - } - - return 0; -} - /* Psymtab version of map_matching_symbols. See its definition in the definition of quick_symbol_functions in symfile.h. */ static void -psym_map_matching_symbols (struct objfile *objfile, - const char *name, domain_enum domain, - int global, - int (*callback) (struct block *, - struct symbol *, void *), - void *data, - symbol_name_match_type match, - symbol_compare_ftype *ordered_compare) +psym_map_matching_symbols + (struct objfile *objfile, + const lookup_name_info &name, domain_enum domain, + int global, + gdb::function_view callback, + symbol_compare_ftype *ordered_compare) { const int block_kind = global ? GLOBAL_BLOCK : STATIC_BLOCK; - struct partial_symtab *ps; - ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) + for (partial_symtab *ps : require_partial_symbols (objfile, true)) { QUIT; - if (ps->readin - || match_partial_symbol (objfile, ps, global, name, domain, match, + if (ps->readin_p () + || match_partial_symbol (objfile, ps, global, name, domain, ordered_compare)) { struct compunit_symtab *cust = psymtab_to_symtab (objfile, ps); - struct block *block; + const struct block *block; if (cust == NULL) continue; block = BLOCKVECTOR_BLOCK (COMPUNIT_BLOCKVECTOR (cust), block_kind); - if (map_block (name, domain, objfile, block, - callback, data, match)) - return; - if (callback (block, NULL, data)) + if (!iterate_over_symbols_terminated (block, name, + domain, callback)) return; } } @@ -1309,7 +1205,9 @@ psym_map_matching_symbols (struct objfile *objfile, static bool recursively_search_psymtabs - (struct partial_symtab *ps, struct objfile *objfile, enum search_domain domain, + (struct partial_symtab *ps, + struct objfile *objfile, + enum search_domain domain, const lookup_name_info &lookup_name, gdb::function_view sym_matcher) { @@ -1341,21 +1239,25 @@ recursively_search_psymtabs } partial_symbol **gbound - = objfile->global_psymbols.data () + ps->globals_offset + ps->n_global_syms; + = (objfile->partial_symtabs->global_psymbols.data () + + ps->globals_offset + ps->n_global_syms); partial_symbol **sbound - = objfile->static_psymbols.data () + ps->statics_offset + ps->n_static_syms; + = (objfile->partial_symtabs->static_psymbols.data () + + ps->statics_offset + ps->n_static_syms); partial_symbol **bound = gbound; /* Go through all of the symbols stored in a partial symtab in one loop. */ - partial_symbol **psym = objfile->global_psymbols.data () + ps->globals_offset; + partial_symbol **psym = (objfile->partial_symtabs->global_psymbols.data () + + ps->globals_offset); while (keep_going) { if (psym >= bound) { if (bound == gbound && ps->n_static_syms != 0) { - psym = objfile->static_psymbols.data () + ps->statics_offset; + psym = (objfile->partial_symtabs->static_psymbols.data () + + ps->statics_offset); bound = sbound; } else @@ -1367,6 +1269,8 @@ recursively_search_psymtabs QUIT; if ((domain == ALL_DOMAIN + || (domain == MODULES_DOMAIN + && (*psym)->domain == MODULE_DOMAIN) || (domain == VARIABLES_DOMAIN && (*psym)->aclass != LOC_TYPEDEF && (*psym)->aclass != LOC_BLOCK) @@ -1375,7 +1279,8 @@ recursively_search_psymtabs || (domain == TYPES_DOMAIN && (*psym)->aclass == LOC_TYPEDEF)) && psymbol_name_matches (*psym, lookup_name) - && (sym_matcher == NULL || sym_matcher (symbol_search_name (*psym)))) + && (sym_matcher == NULL + || sym_matcher ((*psym)->ginfo.search_name ()))) { /* Found a match, so notify our caller. */ result = PST_SEARCHED_AND_FOUND; @@ -1401,21 +1306,17 @@ psym_expand_symtabs_matching gdb::function_view expansion_notify, enum search_domain domain) { - struct partial_symtab *ps; - lookup_name_info lookup_name = lookup_name_in.make_ignore_params (); /* Clear the search flags. */ - ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) - { - ps->searched_flag = PST_NOT_SEARCHED; - } + for (partial_symtab *ps : require_partial_symbols (objfile, true)) + ps->searched_flag = PST_NOT_SEARCHED; - ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) + for (partial_symtab *ps : objfile->psymtabs ()) { QUIT; - if (ps->readin) + if (ps->readin_p ()) continue; /* We skip shared psymtabs because file-matching doesn't apply @@ -1461,7 +1362,7 @@ psym_expand_symtabs_matching static int psym_has_symbols (struct objfile *objfile) { - return objfile->psymtabs != NULL; + return objfile->partial_symtabs->psymtabs != NULL; } /* Helper function for psym_find_compunit_symtab_by_address that fills @@ -1500,23 +1401,21 @@ psym_find_compunit_symtab_by_address (struct objfile *objfile, { if (objfile->psymbol_map.empty ()) { - struct partial_symtab *pst; - std::set seen_addrs; - ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, pst) - { - psym_fill_psymbol_map (objfile, pst, - &seen_addrs, - objfile->global_psymbols, - pst->globals_offset, - pst->n_global_syms); - psym_fill_psymbol_map (objfile, pst, - &seen_addrs, - objfile->static_psymbols, - pst->statics_offset, - pst->n_static_syms); - } + for (partial_symtab *pst : require_partial_symbols (objfile, true)) + { + psym_fill_psymbol_map (objfile, pst, + &seen_addrs, + objfile->partial_symtabs->global_psymbols, + pst->globals_offset, + pst->n_global_syms); + psym_fill_psymbol_map (objfile, pst, + &seen_addrs, + objfile->partial_symtabs->static_psymbols, + pst->statics_offset, + pst->n_static_syms); + } objfile->psymbol_map.shrink_to_fit (); @@ -1551,7 +1450,6 @@ const struct quick_symbol_functions psym_functions = psym_lookup_symbol, psym_print_stats, psym_dump, - psym_relocate, psym_expand_symtabs_for_function, psym_expand_all_symtabs, psym_expand_symtabs_with_fullname, @@ -1568,40 +1466,44 @@ static void sort_pst_symbols (struct objfile *objfile, struct partial_symtab *pst) { /* Sort the global list; don't sort the static list. */ - auto begin = objfile->global_psymbols.begin (); + auto begin = objfile->partial_symtabs->global_psymbols.begin (); std::advance (begin, pst->globals_offset); /* The psymbols for this partial_symtab are currently at the end of the vector. */ - auto end = objfile->global_psymbols.end (); + auto end = objfile->partial_symtabs->global_psymbols.end (); std::sort (begin, end, [] (partial_symbol *s1, partial_symbol *s2) { - return strcmp_iw_ordered (symbol_search_name (s1), - symbol_search_name (s2)) < 0; + return strcmp_iw_ordered (s1->ginfo.search_name (), + s2->ginfo.search_name ()) < 0; }); } -/* Allocate and partially fill a partial symtab. It will be - completely filled at the end of the symbol list. - - FILENAME is the name of the symbol-file we are reading from. */ +/* Partially fill a partial symtab. It will be completely filled at + the end of the symbol list. */ -struct partial_symtab * -start_psymtab_common (struct objfile *objfile, - const char *filename, - CORE_ADDR textlow, - std::vector &global_psymbols, - std::vector &static_psymbols) +partial_symtab::partial_symtab (const char *filename, + struct objfile *objfile, + CORE_ADDR textlow) + : partial_symtab (filename, objfile) { - struct partial_symtab *psymtab; + set_text_low (textlow); + set_text_high (raw_text_low ()); /* default */ + + auto *v1 = new std::vector; + objfile->partial_symtabs->current_global_psymbols.push_back (v1); + auto *v2 = new std::vector; + objfile->partial_symtabs->current_static_psymbols.push_back (v2); +} + +/* Concat vectors V1 and V2. */ - psymtab = allocate_psymtab (filename, objfile); - psymtab->set_text_low (textlow); - psymtab->set_text_high (psymtab->text_low ()); /* default */ - psymtab->globals_offset = global_psymbols.size (); - psymtab->statics_offset = static_psymbols.size (); - return psymtab; +static void +concat (std::vector *v1, std::vector *v2) +{ + v1->insert (v1->end (), v2->begin (), v2->end ()); + v2->clear (); } /* Perform "finishing up" operations of a partial symtab. */ @@ -1609,8 +1511,26 @@ start_psymtab_common (struct objfile *objfile, void end_psymtab_common (struct objfile *objfile, struct partial_symtab *pst) { - pst->n_global_syms = objfile->global_psymbols.size () - pst->globals_offset; - pst->n_static_syms = objfile->static_psymbols.size () - pst->statics_offset; + pst->globals_offset = objfile->partial_symtabs->global_psymbols.size (); + pst->statics_offset = objfile->partial_symtabs->static_psymbols.size (); + + auto *current_global_psymbols + = objfile->partial_symtabs->current_global_psymbols.back (); + auto *current_static_psymbols + = objfile->partial_symtabs->current_static_psymbols.back (); + objfile->partial_symtabs->current_global_psymbols.pop_back (); + objfile->partial_symtabs->current_static_psymbols.pop_back (); + + pst->n_global_syms + = current_global_psymbols->size (); + pst->n_static_syms + = current_static_psymbols->size (); + + concat (&objfile->partial_symtabs->global_psymbols, current_global_psymbols); + concat (&objfile->partial_symtabs->static_psymbols, current_static_psymbols); + + delete current_global_psymbols; + delete current_static_psymbols; sort_pst_symbols (objfile, pst); } @@ -1625,18 +1545,17 @@ psymbol_hash (const void *addr, int length) { unsigned long h = 0; struct partial_symbol *psymbol = (struct partial_symbol *) addr; - unsigned int lang = psymbol->language; + unsigned int lang = psymbol->ginfo.language (); unsigned int domain = psymbol->domain; unsigned int theclass = psymbol->aclass; - h = hash_continue (&psymbol->value, sizeof (psymbol->value), h); - h = hash_continue (&lang, sizeof (unsigned int), h); - h = hash_continue (&domain, sizeof (unsigned int), h); - h = hash_continue (&theclass, sizeof (unsigned int), h); - /* Note that psymbol names are interned via symbol_set_names, so + h = fast_hash (&psymbol->ginfo.value, sizeof (psymbol->ginfo.value), h); + h = fast_hash (&lang, sizeof (unsigned int), h); + h = fast_hash (&domain, sizeof (unsigned int), h); + h = fast_hash (&theclass, sizeof (unsigned int), h); + /* Note that psymbol names are interned via compute_and_set_names, so there's no need to hash the contents of the name here. */ - h = hash_continue (&psymbol->name, - sizeof (psymbol->name), h); + h = fast_hash (&psymbol->ginfo.m_name, sizeof (psymbol->ginfo.m_name), h); return h; } @@ -1651,61 +1570,15 @@ psymbol_compare (const void *addr1, const void *addr2, int length) struct partial_symbol *sym1 = (struct partial_symbol *) addr1; struct partial_symbol *sym2 = (struct partial_symbol *) addr2; - return (memcmp (&sym1->value, &sym2->value, - sizeof (sym1->value)) == 0 - && sym1->language == sym2->language + return (memcmp (&sym1->ginfo.value, &sym2->ginfo.value, + sizeof (sym1->ginfo.value)) == 0 + && sym1->ginfo.language () == sym2->ginfo.language () && sym1->domain == sym2->domain && sym1->aclass == sym2->aclass /* Note that psymbol names are interned via - symbol_set_names, so there's no need to compare the + compute_and_set_names, so there's no need to compare the contents of the name here. */ - && sym1->name == sym2->name); -} - -/* Initialize a partial symbol bcache. */ - -struct psymbol_bcache * -psymbol_bcache_init (void) -{ - struct psymbol_bcache *bcache = XCNEW (struct psymbol_bcache); - - bcache->bcache = bcache_xmalloc (psymbol_hash, psymbol_compare); - return bcache; -} - -/* Free a partial symbol bcache. */ - -void -psymbol_bcache_free (struct psymbol_bcache *bcache) -{ - if (bcache == NULL) - return; - - bcache_xfree (bcache->bcache); - xfree (bcache); -} - -/* Return the internal bcache of the psymbol_bcache BCACHE. */ - -struct bcache * -psymbol_bcache_get_bcache (struct psymbol_bcache *bcache) -{ - return bcache->bcache; -} - -/* Find a copy of the SYM in BCACHE. If BCACHE has never seen this - symbol before, add a copy to BCACHE. In either case, return a pointer - to BCACHE's copy of the symbol. If optional ADDED is not NULL, return - 1 in case of new entry or 0 if returning an old entry. */ - -static struct partial_symbol * -psymbol_bcache_full (struct partial_symbol *sym, - struct psymbol_bcache *bcache, - int *added) -{ - return ((struct partial_symbol *) - bcache_full (sym, sizeof (struct partial_symbol), bcache->bcache, - added)); + && sym1->ginfo.linkage_name () == sym2->ginfo.linkage_name ()); } /* Helper function, initialises partial symbol structure and stashes @@ -1715,27 +1588,28 @@ psymbol_bcache_full (struct partial_symbol *sym, different domain (or address) is possible and correct. */ static struct partial_symbol * -add_psymbol_to_bcache (const char *name, int namelength, int copy_name, +add_psymbol_to_bcache (gdb::string_view name, bool copy_name, domain_enum domain, enum address_class theclass, + short section, CORE_ADDR coreaddr, enum language language, struct objfile *objfile, int *added) { struct partial_symbol psymbol; + memset (&psymbol, 0, sizeof (psymbol)); - psymbol.set_address (coreaddr); - psymbol.section = -1; + psymbol.set_unrelocated_address (coreaddr); + psymbol.ginfo.section = section; psymbol.domain = domain; psymbol.aclass = theclass; - - memset (&psymbol.language_specific, 0, sizeof (psymbol.language_specific)); - psymbol.ada_mangled = 0; - symbol_set_language (&psymbol, language, &objfile->objfile_obstack); - symbol_set_names (&psymbol, name, namelength, copy_name, objfile); + psymbol.ginfo.set_language (language, objfile->partial_symtabs->obstack ()); + psymbol.ginfo.compute_and_set_names (name, copy_name, objfile->per_bfd); /* Stash the partial symbol away in the cache. */ - return psymbol_bcache_full (&psymbol, objfile->psymbol_cache, added); + return ((struct partial_symbol *) + objfile->partial_symtabs->psymbol_cache.insert + (&psymbol, sizeof (struct partial_symbol), added)); } /* Helper function, adds partial symbol to the given partial symbol list. */ @@ -1749,17 +1623,14 @@ append_psymbol_to_list (std::vector *list, OBJSTAT (objfile, n_psyms++); } -/* Add a symbol with a long value to a psymtab. - Since one arg is a struct, we pass in a ptr and deref it (sigh). - The only value we need to store for psyms is an address. - For all other psyms pass zero for COREADDR. - Return the partial symbol that has been added. */ +/* See psympriv.h. */ void -add_psymbol_to_list (const char *name, int namelength, int copy_name, +add_psymbol_to_list (gdb::string_view name, bool copy_name, domain_enum domain, enum address_class theclass, - std::vector *list, + short section, + psymbol_placement where, CORE_ADDR coreaddr, enum language language, struct objfile *objfile) { @@ -1768,59 +1639,48 @@ add_psymbol_to_list (const char *name, int namelength, int copy_name, int added; /* Stash the partial symbol away in the cache. */ - psym = add_psymbol_to_bcache (name, namelength, copy_name, domain, theclass, - coreaddr, language, objfile, &added); + psym = add_psymbol_to_bcache (name, copy_name, domain, theclass, + section, coreaddr, language, objfile, &added); /* Do not duplicate global partial symbols. */ - if (list == &objfile->global_psymbols - && !added) + if (where == psymbol_placement::GLOBAL && !added) return; /* Save pointer to partial symbol in psymtab, growing symtab if needed. */ + std::vector *list + = (where == psymbol_placement::STATIC + ? objfile->partial_symtabs->current_static_psymbols.back () + : objfile->partial_symtabs->current_global_psymbols.back ()); append_psymbol_to_list (list, psym, objfile); } -/* Initialize storage for partial symbols. */ +/* See psympriv.h. */ void init_psymbol_list (struct objfile *objfile, int total_symbols) { - /* Free any previously allocated psymbol lists. */ - objfile->global_psymbols.clear (); - objfile->static_psymbols.clear (); - - /* Current best guess is that approximately a twentieth - of the total symbols (in a debugging file) are global or static - oriented symbols, then multiply that by slop factor of two. */ - objfile->global_psymbols.reserve (total_symbols / 10); - objfile->static_psymbols.reserve (total_symbols / 10); -} - -struct partial_symtab * -allocate_psymtab (const char *filename, struct objfile *objfile) -{ - struct partial_symtab *psymtab; - - if (objfile->free_psymtabs) + if (objfile->partial_symtabs->global_psymbols.capacity () == 0 + && objfile->partial_symtabs->static_psymbols.capacity () == 0) { - psymtab = objfile->free_psymtabs; - objfile->free_psymtabs = psymtab->next; + /* Current best guess is that approximately a twentieth of the + total symbols (in a debugging file) are global or static + oriented symbols, then multiply that by slop factor of + two. */ + objfile->partial_symtabs->global_psymbols.reserve (total_symbols / 10); + objfile->partial_symtabs->static_psymbols.reserve (total_symbols / 10); } - else - psymtab = XOBNEW (&objfile->objfile_obstack, partial_symtab); +} - memset (psymtab, 0, sizeof (struct partial_symtab)); - psymtab->filename - = (const char *) bcache (filename, strlen (filename) + 1, - objfile->per_bfd->filename_cache); - psymtab->compunit_symtab = NULL; +/* See psympriv.h. */ - /* Prepend it to the psymtab list for the objfile it belongs to. - Psymtabs are searched in most recent inserted -> least recent - inserted order. */ +partial_symtab::partial_symtab (const char *filename_, struct objfile *objfile) + : searched_flag (PST_NOT_SEARCHED), + text_low_valid (0), + text_high_valid (0) +{ + objfile->partial_symtabs->install_psymtab (this); - psymtab->next = objfile->psymtabs; - objfile->psymtabs = psymtab; + filename = objfile->intern (filename_); if (symtab_create_debug) { @@ -1833,20 +1693,45 @@ allocate_psymtab (const char *filename, struct objfile *objfile) { xfree (last_objfile_name); last_objfile_name = xstrdup (objfile_name (objfile)); - fprintf_unfiltered (gdb_stdlog, - "Creating one or more psymtabs for objfile %s ...\n", - last_objfile_name); + fprintf_filtered (gdb_stdlog, + "Creating one or more psymtabs for objfile %s ...\n", + last_objfile_name); } - fprintf_unfiltered (gdb_stdlog, - "Created psymtab %s for module %s.\n", - host_address_to_string (psymtab), filename); + fprintf_filtered (gdb_stdlog, + "Created psymtab %s for module %s.\n", + host_address_to_string (this), filename); } +} + +/* See psympriv.h. */ - return psymtab; +void +partial_symtab::expand_dependencies (struct objfile *objfile) +{ + for (int i = 0; i < number_of_dependencies; ++i) + { + if (!dependencies[i]->readin_p () + && dependencies[i]->user == NULL) + { + /* Inform about additional files to be read in. */ + if (info_verbose) + { + fputs_filtered (" ", gdb_stdout); + wrap_here (""); + fputs_filtered ("and ", gdb_stdout); + wrap_here (""); + printf_filtered ("%s...", dependencies[i]->filename); + wrap_here (""); /* Flush output */ + gdb_flush (gdb_stdout); + } + dependencies[i]->expand_psymtab (objfile); + } + } } + void -discard_psymtab (struct objfile *objfile, struct partial_symtab *pst) +psymtab_storage::discard_psymtab (struct partial_symtab *pst) { struct partial_symtab **prev_pst; @@ -1859,15 +1744,11 @@ discard_psymtab (struct objfile *objfile, struct partial_symtab *pst) /* First, snip it out of the psymtab chain. */ - prev_pst = &(objfile->psymtabs); + prev_pst = &psymtabs; while ((*prev_pst) != pst) prev_pst = &((*prev_pst)->next); (*prev_pst) = pst->next; - - /* Next, put it on a free list for recycling. */ - - pst->next = objfile->free_psymtabs; - objfile->free_psymtabs = pst; + delete pst; } @@ -1933,7 +1814,7 @@ dump_psymtab_addrmap (struct objfile *objfile, struct partial_symtab *psymtab, if ((psymtab == NULL || psymtab->psymtabs_addrmap_supported) - && objfile->psymtabs_addrmap != NULL) + && objfile->partial_symtabs->psymtabs_addrmap != NULL) { addrmap_dump_data.objfile = objfile; addrmap_dump_data.psymtab = psymtab; @@ -1941,8 +1822,8 @@ dump_psymtab_addrmap (struct objfile *objfile, struct partial_symtab *psymtab, addrmap_dump_data.previous_matched = 0; fprintf_filtered (outfile, "%sddress map:\n", psymtab == NULL ? "Entire a" : " A"); - addrmap_foreach (objfile->psymtabs_addrmap, dump_psymtab_addrmap_1, - &addrmap_dump_data); + addrmap_foreach (objfile->partial_symtabs->psymtabs_addrmap, + dump_psymtab_addrmap_1, &addrmap_dump_data); } } @@ -1951,8 +1832,6 @@ maintenance_print_psymbols (const char *args, int from_tty) { struct ui_file *outfile = gdb_stdout; char *address_arg = NULL, *source_arg = NULL, *objfile_arg = NULL; - struct objfile *objfile; - struct partial_symtab *ps; int i, outfile_idx, found; CORE_ADDR pc = 0; struct obj_section *section = NULL; @@ -2021,7 +1900,7 @@ maintenance_print_psymbols (const char *args, int from_tty) } found = 0; - ALL_OBJFILES (objfile) + for (objfile *objfile : current_program_space->objfiles ()) { int printed_objfile_header = 0; int print_for_objfile = 1; @@ -2040,7 +1919,8 @@ maintenance_print_psymbols (const char *args, int from_tty) /* We don't assume each pc has a unique objfile (this is for debugging). */ - ps = find_pc_sect_psymtab (objfile, pc, section, msymbol); + struct partial_symtab *ps = find_pc_sect_psymtab (objfile, pc, + section, msymbol); if (ps != NULL) { if (!printed_objfile_header) @@ -2056,7 +1936,7 @@ maintenance_print_psymbols (const char *args, int from_tty) } else { - ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps) + for (partial_symtab *ps : require_partial_symbols (objfile, true)) { int print_for_source = 0; @@ -2086,7 +1966,7 @@ maintenance_print_psymbols (const char *args, int from_tty) if (address_arg == NULL && source_arg == NULL - && objfile->psymtabs_addrmap != NULL) + && objfile->partial_symtabs->psymtabs_addrmap != NULL) { outfile->puts ("\n"); dump_psymtab_addrmap (objfile, NULL, outfile); @@ -2108,106 +1988,116 @@ static void maintenance_info_psymtabs (const char *regexp, int from_tty) { struct program_space *pspace; - struct objfile *objfile; if (regexp) re_comp (regexp); ALL_PSPACES (pspace) - ALL_PSPACE_OBJFILES (pspace, objfile) - { - struct gdbarch *gdbarch = get_objfile_arch (objfile); - struct partial_symtab *psymtab; - - /* We don't want to print anything for this objfile until we - actually find a symtab whose name matches. */ - int printed_objfile_start = 0; - - ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, psymtab) - { - QUIT; - - if (! regexp - || re_exec (psymtab->filename)) - { - if (! printed_objfile_start) - { - printf_filtered ("{ objfile %s ", objfile_name (objfile)); - wrap_here (" "); - printf_filtered ("((struct objfile *) %s)\n", - host_address_to_string (objfile)); - printed_objfile_start = 1; - } - - printf_filtered (" { psymtab %s ", psymtab->filename); - wrap_here (" "); - printf_filtered ("((struct partial_symtab *) %s)\n", - host_address_to_string (psymtab)); - - printf_filtered (" readin %s\n", - psymtab->readin ? "yes" : "no"); - printf_filtered (" fullname %s\n", - psymtab->fullname - ? psymtab->fullname : "(null)"); - printf_filtered (" text addresses "); - fputs_filtered (paddress (gdbarch, psymtab->text_low ()), - gdb_stdout); - printf_filtered (" -- "); - fputs_filtered (paddress (gdbarch, psymtab->text_high ()), - gdb_stdout); - printf_filtered ("\n"); - printf_filtered (" psymtabs_addrmap_supported %s\n", - (psymtab->psymtabs_addrmap_supported - ? "yes" : "no")); - printf_filtered (" globals "); - if (psymtab->n_global_syms) - { - auto p = &objfile->global_psymbols[psymtab->globals_offset]; - - printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n", - host_address_to_string (p), - psymtab->n_global_syms); - } - else - printf_filtered ("(none)\n"); - printf_filtered (" statics "); - if (psymtab->n_static_syms) - { - auto p = &objfile->static_psymbols[psymtab->statics_offset]; - - printf_filtered ("(* (struct partial_symbol **) %s @ %d)\n", - host_address_to_string (p), - psymtab->n_static_syms); - } - else - printf_filtered ("(none)\n"); - printf_filtered (" dependencies "); - if (psymtab->number_of_dependencies) - { - int i; + for (objfile *objfile : pspace->objfiles ()) + { + struct gdbarch *gdbarch = get_objfile_arch (objfile); - printf_filtered ("{\n"); - for (i = 0; i < psymtab->number_of_dependencies; i++) - { - struct partial_symtab *dep = psymtab->dependencies[i]; + /* We don't want to print anything for this objfile until we + actually find a symtab whose name matches. */ + int printed_objfile_start = 0; - /* Note the string concatenation there --- no comma. */ - printf_filtered (" psymtab %s " - "((struct partial_symtab *) %s)\n", - dep->filename, - host_address_to_string (dep)); - } - printf_filtered (" }\n"); - } - else - printf_filtered ("(none)\n"); - printf_filtered (" }\n"); - } - } + for (partial_symtab *psymtab : require_partial_symbols (objfile, true)) + { + QUIT; + + if (! regexp + || re_exec (psymtab->filename)) + { + if (! printed_objfile_start) + { + printf_filtered ("{ objfile %s ", objfile_name (objfile)); + wrap_here (" "); + printf_filtered ("((struct objfile *) %s)\n", + host_address_to_string (objfile)); + printed_objfile_start = 1; + } + + printf_filtered (" { psymtab %s ", psymtab->filename); + wrap_here (" "); + printf_filtered ("((struct partial_symtab *) %s)\n", + host_address_to_string (psymtab)); + + printf_filtered (" readin %s\n", + psymtab->readin_p () ? "yes" : "no"); + printf_filtered (" fullname %s\n", + psymtab->fullname + ? psymtab->fullname : "(null)"); + printf_filtered (" text addresses "); + fputs_filtered (paddress (gdbarch, + psymtab->text_low (objfile)), + gdb_stdout); + printf_filtered (" -- "); + fputs_filtered (paddress (gdbarch, + psymtab->text_high (objfile)), + gdb_stdout); + printf_filtered ("\n"); + printf_filtered (" psymtabs_addrmap_supported %s\n", + (psymtab->psymtabs_addrmap_supported + ? "yes" : "no")); + printf_filtered (" globals "); + if (psymtab->n_global_syms) + { + auto p = &(objfile->partial_symtabs + ->global_psymbols[psymtab->globals_offset]); + + printf_filtered + ("(* (struct partial_symbol **) %s @ %d)\n", + host_address_to_string (p), + psymtab->n_global_syms); + } + else + printf_filtered ("(none)\n"); + printf_filtered (" statics "); + if (psymtab->n_static_syms) + { + auto p = &(objfile->partial_symtabs + ->static_psymbols[psymtab->statics_offset]); + + printf_filtered + ("(* (struct partial_symbol **) %s @ %d)\n", + host_address_to_string (p), + psymtab->n_static_syms); + } + else + printf_filtered ("(none)\n"); + if (psymtab->user) + printf_filtered (" user %s " + "((struct partial_symtab *) %s)\n", + psymtab->user->filename, + host_address_to_string (psymtab->user)); + printf_filtered (" dependencies "); + if (psymtab->number_of_dependencies) + { + int i; + + printf_filtered ("{\n"); + for (i = 0; i < psymtab->number_of_dependencies; i++) + { + struct partial_symtab *dep = psymtab->dependencies[i]; + + /* Note the string concatenation there --- no + comma. */ + printf_filtered (" psymtab %s " + "((struct partial_symtab *) %s)\n", + dep->filename, + host_address_to_string (dep)); + } + printf_filtered (" }\n"); + } + else + printf_filtered ("(none)\n"); + printf_filtered (" }\n"); + } + } - if (printed_objfile_start) - printf_filtered ("}\n"); - } + if (printed_objfile_start) + printf_filtered ("}\n"); + } } /* Check consistency of currently expanded psymtabs vs symtabs. */ @@ -2217,100 +2107,105 @@ maintenance_check_psymtabs (const char *ignore, int from_tty) { struct symbol *sym; struct compunit_symtab *cust = NULL; - struct partial_symtab *ps; const struct blockvector *bv; - struct objfile *objfile; - struct block *b; + const struct block *b; int length; - ALL_PSYMTABS (objfile, ps) - { - struct gdbarch *gdbarch = get_objfile_arch (objfile); - - /* We don't call psymtab_to_symtab here because that may cause symtab - expansion. When debugging a problem it helps if checkers leave - things unchanged. */ - cust = ps->compunit_symtab; - - /* First do some checks that don't require the associated symtab. */ - if (ps->text_high () < ps->text_low ()) + for (objfile *objfile : current_program_space->objfiles ()) + for (partial_symtab *ps : require_partial_symbols (objfile, true)) { - printf_filtered ("Psymtab "); - puts_filtered (ps->filename); - printf_filtered (" covers bad range "); - fputs_filtered (paddress (gdbarch, ps->text_low ()), gdb_stdout); - printf_filtered (" - "); - fputs_filtered (paddress (gdbarch, ps->text_high ()), gdb_stdout); - printf_filtered ("\n"); - continue; - } + struct gdbarch *gdbarch = get_objfile_arch (objfile); - /* Now do checks requiring the associated symtab. */ - if (cust == NULL) - continue; - bv = COMPUNIT_BLOCKVECTOR (cust); - b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); - partial_symbol **psym = &objfile->static_psymbols[ps->statics_offset]; - length = ps->n_static_syms; - while (length--) - { - sym = block_lookup_symbol (b, symbol_search_name (*psym), - symbol_name_match_type::SEARCH_NAME, - (*psym)->domain); - if (!sym) + /* We don't call psymtab_to_symtab here because that may cause symtab + expansion. When debugging a problem it helps if checkers leave + things unchanged. */ + cust = ps->get_compunit_symtab (); + + /* First do some checks that don't require the associated symtab. */ + if (ps->text_high (objfile) < ps->text_low (objfile)) { - printf_filtered ("Static symbol `"); - puts_filtered ((*psym)->name); - printf_filtered ("' only found in "); + printf_filtered ("Psymtab "); puts_filtered (ps->filename); - printf_filtered (" psymtab\n"); + printf_filtered (" covers bad range "); + fputs_filtered (paddress (gdbarch, ps->text_low (objfile)), + gdb_stdout); + printf_filtered (" - "); + fputs_filtered (paddress (gdbarch, ps->text_high (objfile)), + gdb_stdout); + printf_filtered ("\n"); + continue; } - psym++; - } - b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); - psym = &objfile->global_psymbols[ps->globals_offset]; - length = ps->n_global_syms; - while (length--) - { - sym = block_lookup_symbol (b, symbol_search_name (*psym), - symbol_name_match_type::SEARCH_NAME, - (*psym)->domain); - if (!sym) + + /* Now do checks requiring the associated symtab. */ + if (cust == NULL) + continue; + bv = COMPUNIT_BLOCKVECTOR (cust); + b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); + partial_symbol **psym + = &objfile->partial_symtabs->static_psymbols[ps->statics_offset]; + length = ps->n_static_syms; + while (length--) + { + sym = block_lookup_symbol (b, (*psym)->ginfo.search_name (), + symbol_name_match_type::SEARCH_NAME, + (*psym)->domain); + if (!sym) + { + printf_filtered ("Static symbol `"); + puts_filtered ((*psym)->ginfo.linkage_name ()); + printf_filtered ("' only found in "); + puts_filtered (ps->filename); + printf_filtered (" psymtab\n"); + } + psym++; + } + b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); + psym = &objfile->partial_symtabs->global_psymbols[ps->globals_offset]; + length = ps->n_global_syms; + while (length--) { - printf_filtered ("Global symbol `"); - puts_filtered ((*psym)->name); - printf_filtered ("' only found in "); + sym = block_lookup_symbol (b, (*psym)->ginfo.search_name (), + symbol_name_match_type::SEARCH_NAME, + (*psym)->domain); + if (!sym) + { + printf_filtered ("Global symbol `"); + puts_filtered ((*psym)->ginfo.linkage_name ()); + printf_filtered ("' only found in "); + puts_filtered (ps->filename); + printf_filtered (" psymtab\n"); + } + psym++; + } + if (ps->raw_text_high () != 0 + && (ps->text_low (objfile) < BLOCK_START (b) + || ps->text_high (objfile) > BLOCK_END (b))) + { + printf_filtered ("Psymtab "); puts_filtered (ps->filename); - printf_filtered (" psymtab\n"); + printf_filtered (" covers "); + fputs_filtered (paddress (gdbarch, ps->text_low (objfile)), + gdb_stdout); + printf_filtered (" - "); + fputs_filtered (paddress (gdbarch, ps->text_high (objfile)), + gdb_stdout); + printf_filtered (" but symtab covers only "); + fputs_filtered (paddress (gdbarch, BLOCK_START (b)), gdb_stdout); + printf_filtered (" - "); + fputs_filtered (paddress (gdbarch, BLOCK_END (b)), gdb_stdout); + printf_filtered ("\n"); } - psym++; - } - if (ps->text_high () != 0 - && (ps->text_low () < BLOCK_START (b) - || ps->text_high () > BLOCK_END (b))) - { - printf_filtered ("Psymtab "); - puts_filtered (ps->filename); - printf_filtered (" covers "); - fputs_filtered (paddress (gdbarch, ps->text_low ()), gdb_stdout); - printf_filtered (" - "); - fputs_filtered (paddress (gdbarch, ps->text_high ()), gdb_stdout); - printf_filtered (" but symtab covers only "); - fputs_filtered (paddress (gdbarch, BLOCK_START (b)), gdb_stdout); - printf_filtered (" - "); - fputs_filtered (paddress (gdbarch, BLOCK_END (b)), gdb_stdout); - printf_filtered ("\n"); } - } } +void _initialize_psymtab (); void -_initialize_psymtab (void) +_initialize_psymtab () { add_cmd ("psymbols", class_maintenance, maintenance_print_psymbols, _("\ Print dump of current partial symbol definitions.\n\ -Usage: mt print psymbols [-objfile objfile] [-pc address] [--] [outfile]\n\ - mt print psymbols [-objfile objfile] [-source source] [--] [outfile]\n\ +Usage: mt print psymbols [-objfile OBJFILE] [-pc ADDRESS] [--] [OUTFILE]\n\ + mt print psymbols [-objfile OBJFILE] [-source SOURCE] [--] [OUTFILE]\n\ Entries in the partial symbol table are dumped to file OUTFILE,\n\ or the terminal if OUTFILE is unspecified.\n\ If ADDRESS is provided, dump only the file for that address.\n\