/* Partial symbol tables.
- Copyright (C) 2009-2015 Free Software Foundation, Inc.
+ Copyright (C) 2009-2018 Free Software Foundation, Inc.
This file is part of GDB.
#include "language.h"
#include "cp-support.h"
#include "gdbcmd.h"
-
-#ifndef DEV_TTY
-#define DEV_TTY "/dev/tty"
-#endif
+#include <algorithm>
+#include <set>
struct psymbol_bcache
{
struct partial_symtab *,
int,
const char *, domain_enum,
- symbol_compare_ftype *,
+ symbol_name_match_type,
symbol_compare_ftype *);
static struct partial_symbol *lookup_partial_symbol (struct objfile *,
gdb_flush (gdb_stdout);
}
(*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))
/* Helper function for psym_map_symtabs_matching_filename that
expands the symtabs and calls the iterator. */
-static int
+static bool
partial_map_expand_apply (struct objfile *objfile,
const char *name,
const char *real_path,
struct partial_symtab *pst,
- int (*callback) (struct symtab *, void *),
- void *data)
+ gdb::function_view<bool (symtab *)> callback)
{
struct compunit_symtab *last_made = objfile->compunit_symtabs;
all of them. */
psymtab_to_symtab (objfile, pst);
- return iterate_over_some_symtabs (name, real_path, callback, data,
- objfile->compunit_symtabs, last_made);
+ return iterate_over_some_symtabs (name, real_path, objfile->compunit_symtabs,
+ last_made, callback);
}
/* Psymtab version of map_symtabs_matching_filename. See its definition in
the definition of quick_symbol_functions in symfile.h. */
-static int
-psym_map_symtabs_matching_filename (struct objfile *objfile,
- const char *name,
- const char *real_path,
- int (*callback) (struct symtab *,
- void *),
- void *data)
+static bool
+psym_map_symtabs_matching_filename
+ (struct objfile *objfile,
+ const char *name,
+ const char *real_path,
+ gdb::function_view<bool (symtab *)> callback)
{
struct partial_symtab *pst;
const char *name_basename = lbasename (name);
if (compare_filenames_for_search (pst->filename, name))
{
if (partial_map_expand_apply (objfile, name, real_path,
- pst, callback, data))
- return 1;
+ 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, data))
- return 1;
+ pst, callback))
+ return true;
continue;
}
if (filename_cmp (psymtab_to_fullname (pst), real_path) == 0)
{
if (partial_map_expand_apply (objfile, name, real_path,
- pst, callback, data))
- return 1;
+ pst, callback))
+ return true;
continue;
}
}
}
- return 0;
+ return false;
}
/* Find which partial symtab contains PC and SECTION starting at psymtab PST.
if (objfile->psymtabs_addrmap != NULL)
{
- pst = addrmap_find (objfile->psymtabs_addrmap, pc);
+ pst = ((struct partial_symtab *)
+ addrmap_find (objfile->psymtabs_addrmap, pc));
if (pst != NULL)
{
/* FIXME: addrmaps currently do not handle overlayed sections,
struct partial_symtab *psymtab, CORE_ADDR pc,
struct obj_section *section)
{
- struct partial_symbol *best = NULL, *p, **pp;
+ struct partial_symbol *best = NULL;
CORE_ADDR best_pc;
gdb_assert (psymtab != NULL);
/* 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 (pp = objfile->global_psymbols.list + psymtab->globals_offset;
- (pp - (objfile->global_psymbols.list + psymtab->globals_offset)
- < psymtab->n_global_syms);
- pp++)
+ for (int i = 0; i < psymtab->n_global_syms; i++)
{
- p = *pp;
+ partial_symbol *p = objfile->global_psymbols[psymtab->globals_offset + i];
+
if (SYMBOL_DOMAIN (p) == VAR_DOMAIN
&& PSYMBOL_CLASS (p) == LOC_BLOCK
&& pc >= SYMBOL_VALUE_ADDRESS (p)
}
}
- for (pp = objfile->static_psymbols.list + psymtab->statics_offset;
- (pp - (objfile->static_psymbols.list + psymtab->statics_offset)
- < psymtab->n_static_syms);
- pp++)
+ for (int i = 0; i < psymtab->n_static_syms; i++)
{
- p = *pp;
+ partial_symbol *p = objfile->static_psymbols[psymtab->statics_offset + i];
+
if (SYMBOL_DOMAIN (p) == VAR_DOMAIN
&& PSYMBOL_CLASS (p) == LOC_BLOCK
&& pc >= SYMBOL_VALUE_ADDRESS (p)
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,
information (but NAME might contain it). */
if (sym != NULL
- && strcmp_iw (SYMBOL_SEARCH_NAME (sym), name) == 0)
+ && SYMBOL_MATCHES_SEARCH_NAME (sym, lookup_name))
return stab;
if (with_opaque != NULL
- && strcmp_iw (SYMBOL_SEARCH_NAME (with_opaque), name) == 0)
+ && SYMBOL_MATCHES_SEARCH_NAME (with_opaque, lookup_name))
stab_best = stab;
/* Keep looking through other psymtabs. */
return stab_best;
}
+/* Returns true if PSYM matches LOOKUP_NAME. */
+
+static bool
+psymbol_name_matches (partial_symbol *psym,
+ const lookup_name_info &lookup_name)
+{
+ const language_defn *lang = language_def (SYMBOL_LANGUAGE (psym));
+ symbol_name_matcher_ftype *name_match
+ = get_symbol_name_matcher (lang, lookup_name);
+ return name_match (SYMBOL_SEARCH_NAME (psym), lookup_name, NULL);
+}
+
/* Look in PST for a symbol in DOMAIN whose name matches NAME. Search
the global block of PST if GLOBAL, and otherwise the static block.
MATCH is the comparison operation that returns true iff MATCH (s,
match_partial_symbol (struct objfile *objfile,
struct partial_symtab *pst, int global,
const char *name, domain_enum domain,
- symbol_compare_ftype *match,
+ symbol_name_match_type match_type,
symbol_compare_ftype *ordered_compare)
{
struct partial_symbol **start, **psym;
int do_linear_search = 1;
if (length == 0)
- return NULL;
+ return NULL;
+
+ lookup_name_info lookup_name (name, match_type);
+
start = (global ?
- objfile->global_psymbols.list + pst->globals_offset :
- objfile->static_psymbols.list + pst->statics_offset);
+ &objfile->global_psymbols[pst->globals_offset] :
+ &objfile->static_psymbols[pst->statics_offset]);
if (global && ordered_compare) /* Can use a binary search. */
{
{
center = bottom + (top - bottom) / 2;
gdb_assert (center < top);
- if (!do_linear_search
- && (SYMBOL_LANGUAGE (*center) == language_java))
- do_linear_search = 1;
- if (ordered_compare (SYMBOL_SEARCH_NAME (*center), name) >= 0)
+
+ enum language lang = SYMBOL_LANGUAGE (*center);
+ const char *lang_ln
+ = lookup_name.language_lookup_name (lang).c_str ();
+
+ if (ordered_compare (SYMBOL_SEARCH_NAME (*center), lang_ln) >= 0)
top = center;
else
bottom = center + 1;
gdb_assert (top == bottom);
while (top <= real_top
- && match (SYMBOL_SEARCH_NAME (*top), name) == 0)
+ && psymbol_name_matches (*top, lookup_name))
{
if (symbol_matches_domain (SYMBOL_LANGUAGE (*top),
SYMBOL_DOMAIN (*top), domain))
{
if (symbol_matches_domain (SYMBOL_LANGUAGE (*psym),
SYMBOL_DOMAIN (*psym), domain)
- && match (SYMBOL_SEARCH_NAME (*psym), name) == 0)
+ && psymbol_name_matches (*psym, lookup_name))
return *psym;
}
}
not contain any method/function instance information (since this would
force reading type information while reading psymtabs). Therefore,
if NAME contains overload information, it must be stripped before searching
- psymtabs.
+ psymtabs. */
- The caller is responsible for freeing the return result. */
-
-static char *
+static gdb::unique_xmalloc_ptr<char>
psymtab_search_name (const char *name)
{
switch (current_language->la_language)
{
case language_cplus:
- case language_java:
{
if (strchr (name, '('))
{
- char *ret = cp_remove_params (name);
+ gdb::unique_xmalloc_ptr<char> ret = cp_remove_params (name);
if (ret)
return ret;
break;
}
- return xstrdup (name);
+ return gdb::unique_xmalloc_ptr<char> (xstrdup (name));
}
/* Look, in partial_symtab PST, for symbol whose natural name is NAME.
struct partial_symbol **top, **real_top, **bottom, **center;
int length = (global ? pst->n_global_syms : pst->n_static_syms);
int do_linear_search = 1;
- char *search_name;
- struct cleanup *cleanup;
if (length == 0)
return NULL;
- search_name = psymtab_search_name (name);
- cleanup = make_cleanup (xfree, search_name);
+ gdb::unique_xmalloc_ptr<char> search_name = psymtab_search_name (name);
+
+ lookup_name_info lookup_name (search_name.get (), symbol_name_match_type::FULL);
+
start = (global ?
- objfile->global_psymbols.list + pst->globals_offset :
- objfile->static_psymbols.list + pst->statics_offset);
+ &objfile->global_psymbols[pst->globals_offset] :
+ &objfile->static_psymbols[pst->statics_offset]);
if (global) /* This means we can use a binary search. */
{
if (!(center < top))
internal_error (__FILE__, __LINE__,
_("failed internal consistency check"));
- if (!do_linear_search
- && SYMBOL_LANGUAGE (*center) == language_java)
- {
- do_linear_search = 1;
- }
if (strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*center),
- search_name) >= 0)
+ search_name.get ()) >= 0)
{
top = center;
}
/* 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, search_name))
+ while (top >= start && SYMBOL_MATCHES_SEARCH_NAME (*top, lookup_name))
top--;
/* Fixup to have a symbol which matches SYMBOL_MATCHES_SEARCH_NAME. */
top++;
- while (top <= real_top && SYMBOL_MATCHES_SEARCH_NAME (*top, search_name))
+ while (top <= real_top && SYMBOL_MATCHES_SEARCH_NAME (*top, lookup_name))
{
if (symbol_matches_domain (SYMBOL_LANGUAGE (*top),
SYMBOL_DOMAIN (*top), domain))
- {
- do_cleanups (cleanup);
- return *top;
- }
+ return *top;
top++;
}
}
{
if (symbol_matches_domain (SYMBOL_LANGUAGE (*psym),
SYMBOL_DOMAIN (*psym), domain)
- && SYMBOL_MATCHES_SEARCH_NAME (*psym, search_name))
- {
- do_cleanups (cleanup);
- return *psym;
- }
+ && SYMBOL_MATCHES_SEARCH_NAME (*psym, lookup_name))
+ return *psym;
}
}
- do_cleanups (cleanup);
return NULL;
}
/* If it has not yet been read in, read it. */
if (!pst->readin)
{
- struct cleanup *back_to = increment_reading_symtab ();
+ scoped_restore decrementer = increment_reading_symtab ();
(*pst->read_symtab) (pst, objfile);
- do_cleanups (back_to);
}
return pst->compunit_symtab;
const struct section_offsets *new_offsets,
const struct section_offsets *delta)
{
- struct partial_symbol **psym;
struct partial_symtab *p;
ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, p)
p->texthigh += ANOFFSET (delta, SECT_OFF_TEXT (objfile));
}
- for (psym = objfile->global_psymbols.list;
- psym < objfile->global_psymbols.next;
- psym++)
+ for (partial_symbol *psym : objfile->global_psymbols)
{
- fixup_psymbol_section (*psym, objfile);
- if (SYMBOL_SECTION (*psym) >= 0)
- SYMBOL_VALUE_ADDRESS (*psym) += ANOFFSET (delta,
- SYMBOL_SECTION (*psym));
+ fixup_psymbol_section (psym, objfile);
+ if (SYMBOL_SECTION (psym) >= 0)
+ SYMBOL_VALUE_ADDRESS (psym) += ANOFFSET (delta, SYMBOL_SECTION (psym));
}
- for (psym = objfile->static_psymbols.list;
- psym < objfile->static_psymbols.next;
- psym++)
+ for (partial_symbol *psym : objfile->static_psymbols)
{
- fixup_psymbol_section (*psym, objfile);
- if (SYMBOL_SECTION (*psym) >= 0)
- SYMBOL_VALUE_ADDRESS (*psym) += ANOFFSET (delta,
- SYMBOL_SECTION (*psym));
+ fixup_psymbol_section (psym, objfile);
+ if (SYMBOL_SECTION (psym) >= 0)
+ SYMBOL_VALUE_ADDRESS (psym) += ANOFFSET (delta, SYMBOL_SECTION (psym));
}
+
+ objfile->psymbol_map.clear ();
}
/* Psymtab version of find_last_source_symtab. See its definition in
static void
print_partial_symbols (struct gdbarch *gdbarch,
- struct partial_symbol **p, int count, char *what,
+ struct partial_symbol **p, int count, const char *what,
struct ui_file *outfile)
{
fprintf_filtered (outfile, " %s partial symbols:\n", what);
if (psymtab->n_global_syms > 0)
{
print_partial_symbols (gdbarch,
- objfile->global_psymbols.list
- + psymtab->globals_offset,
+ &objfile->global_psymbols[psymtab->globals_offset],
psymtab->n_global_syms, "Global", outfile);
}
if (psymtab->n_static_syms > 0)
{
print_partial_symbols (gdbarch,
- objfile->static_psymbols.list
- + psymtab->statics_offset,
+ &objfile->static_psymbols[psymtab->statics_offset],
psymtab->n_static_syms, "Static", outfile);
}
fprintf_filtered (outfile, "\n");
to handle cases like the file being moved. */
if (ps->fullname == NULL)
{
- int fd = find_and_open_source (ps->filename, ps->dirname, &ps->fullname);
+ gdb::unique_xmalloc_ptr<char> fullname;
+ int fd = find_and_open_source (ps->filename, ps->dirname, &fullname);
+ ps->fullname = fullname.release ();
if (fd >= 0)
close (fd);
else
{
- char *fullname;
- struct cleanup *back_to;
-
/* rewrite_source_path would be applied by find_and_open_source, we
should report the pathname where GDB tried to find the file. */
if (ps->dirname == NULL || IS_ABSOLUTE_PATH (ps->filename))
- fullname = xstrdup (ps->filename);
+ fullname.reset (xstrdup (ps->filename));
else
- fullname = concat (ps->dirname, SLASH_STRING, ps->filename, NULL);
+ fullname.reset (concat (ps->dirname, SLASH_STRING,
+ ps->filename, (char *) NULL));
- back_to = make_cleanup (xfree, fullname);
- ps->fullname = rewrite_source_path (fullname);
+ ps->fullname = rewrite_source_path (fullname.get ()).release ();
if (ps->fullname == NULL)
- ps->fullname = xstrdup (fullname);
- do_cleanups (back_to);
+ ps->fullname = fullname.release ();
}
}
map_block (const char *name, domain_enum domain, struct objfile *objfile,
struct block *block,
int (*callback) (struct block *, struct symbol *, void *),
- void *data, symbol_compare_ftype *match)
+ void *data, symbol_name_match_type match)
{
struct block_iterator iter;
struct symbol *sym;
- for (sym = block_iter_match_first (block, name, match, &iter);
- sym != NULL; sym = block_iter_match_next (name, match, &iter))
+ 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))
int (*callback) (struct block *,
struct symbol *, void *),
void *data,
- symbol_compare_ftype *match,
+ symbol_name_match_type match,
symbol_compare_ftype *ordered_compare)
{
const int block_kind = global ? GLOBAL_BLOCK : STATIC_BLOCK;
}
}
-/* A helper for psym_expand_symtabs_matching that handles
- searching included psymtabs. This returns 1 if a symbol is found,
- and zero otherwise. It also updates the 'searched_flag' on the
+/* A helper for psym_expand_symtabs_matching that handles searching
+ included psymtabs. This returns true if a symbol is found, and
+ false otherwise. It also updates the 'searched_flag' on the
various psymtabs that it searches. */
-static int
-recursively_search_psymtabs (struct partial_symtab *ps,
- struct objfile *objfile,
- enum search_domain kind,
- expand_symtabs_symbol_matcher_ftype *sym_matcher,
- void *data)
+static bool
+recursively_search_psymtabs
+ (struct partial_symtab *ps, struct objfile *objfile, enum search_domain domain,
+ const lookup_name_info &lookup_name,
+ gdb::function_view<expand_symtabs_symbol_matcher_ftype> sym_matcher)
{
- struct partial_symbol **psym;
- struct partial_symbol **bound, **gbound, **sbound;
int keep_going = 1;
enum psymtab_search_status result = PST_SEARCHED_AND_NOT_FOUND;
int i;
continue;
r = recursively_search_psymtabs (ps->dependencies[i],
- objfile, kind, sym_matcher, data);
+ objfile, domain, lookup_name,
+ sym_matcher);
if (r != 0)
{
ps->searched_flag = PST_SEARCHED_AND_FOUND;
- return 1;
+ return true;
}
}
- gbound = (objfile->global_psymbols.list
- + ps->globals_offset + ps->n_global_syms);
- sbound = (objfile->static_psymbols.list
- + ps->statics_offset + ps->n_static_syms);
- bound = gbound;
+ partial_symbol **gbound
+ = objfile->global_psymbols.data () + ps->globals_offset + ps->n_global_syms;
+ partial_symbol **sbound
+ = objfile->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. */
- psym = objfile->global_psymbols.list + ps->globals_offset;
+ partial_symbol **psym = objfile->global_psymbols.data () + ps->globals_offset;
while (keep_going)
{
if (psym >= bound)
{
if (bound == gbound && ps->n_static_syms != 0)
{
- psym = objfile->static_psymbols.list + ps->statics_offset;
+ psym = objfile->static_psymbols.data () + ps->statics_offset;
bound = sbound;
}
else
{
QUIT;
- if ((kind == ALL_DOMAIN
- || (kind == VARIABLES_DOMAIN
+ if ((domain == ALL_DOMAIN
+ || (domain == VARIABLES_DOMAIN
&& PSYMBOL_CLASS (*psym) != LOC_TYPEDEF
&& PSYMBOL_CLASS (*psym) != LOC_BLOCK)
- || (kind == FUNCTIONS_DOMAIN
+ || (domain == FUNCTIONS_DOMAIN
&& PSYMBOL_CLASS (*psym) == LOC_BLOCK)
- || (kind == TYPES_DOMAIN
+ || (domain == TYPES_DOMAIN
&& PSYMBOL_CLASS (*psym) == LOC_TYPEDEF))
- && (*sym_matcher) (SYMBOL_SEARCH_NAME (*psym), data))
+ && psymbol_name_matches (*psym, lookup_name)
+ && (sym_matcher == NULL || sym_matcher (SYMBOL_SEARCH_NAME (*psym))))
{
/* Found a match, so notify our caller. */
result = PST_SEARCHED_AND_FOUND;
static void
psym_expand_symtabs_matching
(struct objfile *objfile,
- expand_symtabs_file_matcher_ftype *file_matcher,
- expand_symtabs_symbol_matcher_ftype *symbol_matcher,
- expand_symtabs_exp_notify_ftype *expansion_notify,
- enum search_domain kind,
- void *data)
+ gdb::function_view<expand_symtabs_file_matcher_ftype> file_matcher,
+ const lookup_name_info &lookup_name_in,
+ gdb::function_view<expand_symtabs_symbol_matcher_ftype> symbol_matcher,
+ gdb::function_view<expand_symtabs_exp_notify_ftype> 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)
{
if (file_matcher)
{
- int match;
+ bool match;
if (ps->anonymous)
continue;
- match = (*file_matcher) (ps->filename, data, 0);
+ match = file_matcher (ps->filename, false);
if (!match)
{
/* Before we invoke realpath, which can get expensive when many
files are involved, do a quick comparison of the basenames. */
if (basenames_may_differ
- || (*file_matcher) (lbasename (ps->filename), data, 1))
- match = (*file_matcher) (psymtab_to_fullname (ps), data, 0);
+ || file_matcher (lbasename (ps->filename), true))
+ match = file_matcher (psymtab_to_fullname (ps), false);
}
if (!match)
continue;
}
- if (recursively_search_psymtabs (ps, objfile, kind, symbol_matcher, data))
+ if (recursively_search_psymtabs (ps, objfile, domain,
+ lookup_name, symbol_matcher))
{
struct compunit_symtab *symtab =
psymtab_to_symtab (objfile, ps);
if (expansion_notify != NULL)
- expansion_notify (symtab, data);
+ expansion_notify (symtab);
}
}
}
return objfile->psymtabs != NULL;
}
+/* Helper function for psym_find_compunit_symtab_by_address that fills
+ in psymbol_map for a given range of psymbols. */
+
+static void
+psym_fill_psymbol_map (struct objfile *objfile,
+ struct partial_symtab *psymtab,
+ std::set<CORE_ADDR> *seen_addrs,
+ const std::vector<partial_symbol *> &symbols,
+ int start,
+ int length)
+{
+ for (int i = 0; i < length; ++i)
+ {
+ struct partial_symbol *psym = symbols[start + i];
+
+ if (PSYMBOL_CLASS (psym) == LOC_STATIC)
+ {
+ CORE_ADDR addr = SYMBOL_VALUE_ADDRESS (psym);
+ if (seen_addrs->find (addr) == seen_addrs->end ())
+ {
+ seen_addrs->insert (addr);
+ objfile->psymbol_map.emplace_back (addr, psymtab);
+ }
+ }
+ }
+}
+
+/* See find_compunit_symtab_by_address in quick_symbol_functions, in
+ symfile.h. */
+
+static compunit_symtab *
+psym_find_compunit_symtab_by_address (struct objfile *objfile,
+ CORE_ADDR address)
+{
+ if (objfile->psymbol_map.empty ())
+ {
+ struct partial_symtab *pst;
+
+ std::set<CORE_ADDR> 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);
+ }
+
+ objfile->psymbol_map.shrink_to_fit ();
+
+ std::sort (objfile->psymbol_map.begin (), objfile->psymbol_map.end (),
+ [] (const std::pair<CORE_ADDR, partial_symtab *> &a,
+ const std::pair<CORE_ADDR, partial_symtab *> &b)
+ {
+ return a.first < b.first;
+ });
+ }
+
+ auto iter = std::lower_bound
+ (objfile->psymbol_map.begin (), objfile->psymbol_map.end (), address,
+ [] (const std::pair<CORE_ADDR, partial_symtab *> &a,
+ CORE_ADDR b)
+ {
+ return a.first < b;
+ });
+
+ if (iter == objfile->psymbol_map.end () || iter->first != address)
+ return NULL;
+
+ return psymtab_to_symtab (objfile, iter->second);
+}
+
const struct quick_symbol_functions psym_functions =
{
psym_has_symbols,
psym_map_matching_symbols,
psym_expand_symtabs_matching,
psym_find_pc_sect_compunit_symtab,
+ psym_find_compunit_symtab_by_address,
psym_map_symbol_filenames
};
\f
-/* This compares two partial symbols by names, using strcmp_iw_ordered
- for the comparison. */
-
-static int
-compare_psymbols (const void *s1p, const void *s2p)
-{
- struct partial_symbol *const *s1 = s1p;
- struct partial_symbol *const *s2 = s2p;
-
- return strcmp_iw_ordered (SYMBOL_SEARCH_NAME (*s1),
- SYMBOL_SEARCH_NAME (*s2));
-}
-
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 ();
+ 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 ();
- qsort (objfile->global_psymbols.list + pst->globals_offset,
- pst->n_global_syms, sizeof (struct partial_symbol *),
- compare_psymbols);
+ std::sort (begin, end, [] (partial_symbol *s1, partial_symbol *s2)
+ {
+ return strcmp_iw_ordered (SYMBOL_SEARCH_NAME (s1),
+ SYMBOL_SEARCH_NAME (s2)) < 0;
+ });
}
/* Allocate and partially fill a partial symtab. It will be
struct partial_symtab *
start_psymtab_common (struct objfile *objfile,
const char *filename,
- CORE_ADDR textlow, struct partial_symbol **global_syms,
- struct partial_symbol **static_syms)
+ CORE_ADDR textlow,
+ std::vector<partial_symbol *> &global_psymbols,
+ std::vector<partial_symbol *> &static_psymbols)
{
struct partial_symtab *psymtab;
psymtab = allocate_psymtab (filename, objfile);
psymtab->textlow = textlow;
psymtab->texthigh = psymtab->textlow; /* default */
- psymtab->globals_offset = global_syms - objfile->global_psymbols.list;
- psymtab->statics_offset = static_syms - objfile->static_psymbols.list;
+ psymtab->globals_offset = global_psymbols.size ();
+ psymtab->statics_offset = static_psymbols.size ();
return psymtab;
}
void
end_psymtab_common (struct objfile *objfile, struct partial_symtab *pst)
{
- pst->n_global_syms
- = objfile->global_psymbols.next - (objfile->global_psymbols.list
- + pst->globals_offset);
- pst->n_static_syms
- = objfile->static_psymbols.next - (objfile->static_psymbols.list
- + pst->statics_offset);
+ pst->n_global_syms = objfile->global_psymbols.size () - pst->globals_offset;
+ pst->n_static_syms = objfile->static_psymbols.size () - pst->statics_offset;
sort_pst_symbols (objfile, pst);
}
h = hash_continue (&lang, sizeof (unsigned int), h);
h = hash_continue (&domain, sizeof (unsigned int), h);
h = hash_continue (&theclass, sizeof (unsigned int), h);
- h = hash_continue (psymbol->ginfo.name, strlen (psymbol->ginfo.name), h);
+ /* Note that psymbol names are interned via symbol_set_names, so
+ there's no need to hash the contents of the name here. */
+ h = hash_continue (&psymbol->ginfo.name, sizeof (psymbol->ginfo.name), h);
return h;
}
struct partial_symbol *sym1 = (struct partial_symbol *) addr1;
struct partial_symbol *sym2 = (struct partial_symbol *) addr2;
- return (memcmp (&sym1->ginfo.value, &sym1->ginfo.value,
+ return (memcmp (&sym1->ginfo.value, &sym2->ginfo.value,
sizeof (sym1->ginfo.value)) == 0
&& sym1->ginfo.language == sym2->ginfo.language
&& PSYMBOL_DOMAIN (sym1) == PSYMBOL_DOMAIN (sym2)
&& PSYMBOL_CLASS (sym1) == PSYMBOL_CLASS (sym2)
+ /* Note that psymbol names are interned via
+ symbol_set_names, so there's no need to compare the
+ contents of the name here. */
&& sym1->ginfo.name == sym2->ginfo.name);
}
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 const struct partial_symbol *
+static struct partial_symbol *
psymbol_bcache_full (struct partial_symbol *sym,
struct psymbol_bcache *bcache,
int *added)
{
- return bcache_full (sym,
- sizeof (struct partial_symbol),
- bcache->bcache,
- added);
+ return ((struct partial_symbol *)
+ bcache_full (sym, sizeof (struct partial_symbol), bcache->bcache,
+ added));
}
/* Helper function, initialises partial symbol structure and stashes
structure. In other words, having two symbols with the same name but
different domain (or address) is possible and correct. */
-static const struct partial_symbol *
+static struct partial_symbol *
add_psymbol_to_bcache (const char *name, int namelength, int copy_name,
domain_enum domain,
enum address_class theclass,
return psymbol_bcache_full (&psymbol, objfile->psymbol_cache, added);
}
-/* Increase the space allocated for LISTP, which is probably
- global_psymbols or static_psymbols. This space will eventually
- be freed in free_objfile(). */
-
-static void
-extend_psymbol_list (struct psymbol_allocation_list *listp,
- struct objfile *objfile)
-{
- int new_size;
-
- if (listp->size == 0)
- {
- new_size = 255;
- listp->list = XNEWVEC (struct partial_symbol *, new_size);
- }
- else
- {
- new_size = listp->size * 2;
- listp->list = (struct partial_symbol **)
- xrealloc ((char *) listp->list,
- new_size * sizeof (struct partial_symbol *));
- }
- /* Next assumes we only went one over. Should be good if
- program works correctly. */
- listp->next = listp->list + listp->size;
- listp->size = new_size;
-}
-
/* Helper function, adds partial symbol to the given partial symbol list. */
static void
-append_psymbol_to_list (struct psymbol_allocation_list *list,
- const struct partial_symbol *psym,
+append_psymbol_to_list (std::vector<partial_symbol *> *list,
+ struct partial_symbol *psym,
struct objfile *objfile)
{
- if (list->next >= list->list + list->size)
- extend_psymbol_list (list, objfile);
- *list->next++ = (struct partial_symbol *) psym;
+ list->push_back (psym);
OBJSTAT (objfile, n_psyms++);
}
add_psymbol_to_list (const char *name, int namelength, int copy_name,
domain_enum domain,
enum address_class theclass,
- struct psymbol_allocation_list *list,
+ std::vector<partial_symbol *> *list,
CORE_ADDR coreaddr,
enum language language, struct objfile *objfile)
{
- const struct partial_symbol *psym;
+ struct partial_symbol *psym;
int added;
init_psymbol_list (struct objfile *objfile, int total_symbols)
{
/* Free any previously allocated psymbol lists. */
-
- if (objfile->global_psymbols.list)
- xfree (objfile->global_psymbols.list);
- if (objfile->static_psymbols.list)
- xfree (objfile->static_psymbols.list);
+ 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.size = total_symbols / 10;
- objfile->static_psymbols.size = total_symbols / 10;
-
- if (objfile->global_psymbols.size > 0)
- {
- objfile->global_psymbols.next =
- objfile->global_psymbols.list =
- XNEWVEC (struct partial_symbol *, objfile->global_psymbols.size);
- }
- if (objfile->static_psymbols.size > 0)
- {
- objfile->static_psymbols.next =
- objfile->static_psymbols.list =
- XNEWVEC (struct partial_symbol *, objfile->static_psymbols.size);
- }
+ objfile->global_psymbols.reserve (total_symbols / 10);
+ objfile->static_psymbols.reserve (total_symbols / 10);
}
struct partial_symtab *
sizeof (struct partial_symtab));
memset (psymtab, 0, sizeof (struct partial_symtab));
- psymtab->filename = bcache (filename, strlen (filename) + 1,
- objfile->per_bfd->filename_cache);
+ psymtab->filename
+ = (const char *) bcache (filename, strlen (filename) + 1,
+ objfile->per_bfd->filename_cache);
psymtab->compunit_symtab = NULL;
/* Prepend it to the psymtab list for the objfile it belongs to.
objfile->free_psymtabs = pst;
}
-/* An object of this type is passed to discard_psymtabs_upto. */
+\f
-struct psymtab_state
-{
- /* The objfile where psymtabs are discarded. */
+/* We need to pass a couple of items to the addrmap_foreach function,
+ so use a struct. */
+struct dump_psymtab_addrmap_data
+{
struct objfile *objfile;
+ struct partial_symtab *psymtab;
+ struct ui_file *outfile;
- /* The first psymtab to save. */
-
- struct partial_symtab *save;
+ /* Non-zero if the previously printed addrmap entry was for PSYMTAB.
+ If so, we want to print the next one as well (since the next addrmap
+ entry defines the end of the range). */
+ int previous_matched;
};
-/* A cleanup function used by make_cleanup_discard_psymtabs. */
+/* Helper function for dump_psymtab_addrmap to print an addrmap entry. */
-static void
-discard_psymtabs_upto (void *arg)
+static int
+dump_psymtab_addrmap_1 (void *datap, CORE_ADDR start_addr, void *obj)
{
- struct psymtab_state *state = arg;
+ struct dump_psymtab_addrmap_data *data
+ = (struct dump_psymtab_addrmap_data *) datap;
+ struct gdbarch *gdbarch = get_objfile_arch (data->objfile);
+ struct partial_symtab *addrmap_psymtab = (struct partial_symtab *) obj;
+ const char *psymtab_address_or_end = NULL;
+
+ QUIT;
+
+ if (data->psymtab == NULL
+ || data->psymtab == addrmap_psymtab)
+ psymtab_address_or_end = host_address_to_string (addrmap_psymtab);
+ else if (data->previous_matched)
+ psymtab_address_or_end = "<ends here>";
+
+ if (data->psymtab == NULL
+ || data->psymtab == addrmap_psymtab
+ || data->previous_matched)
+ {
+ fprintf_filtered (data->outfile, " %s%s %s\n",
+ data->psymtab != NULL ? " " : "",
+ paddress (gdbarch, start_addr),
+ psymtab_address_or_end);
+ }
- while (state->objfile->psymtabs != state->save)
- discard_psymtab (state->objfile, state->objfile->psymtabs);
+ data->previous_matched = (data->psymtab == NULL
+ || data->psymtab == addrmap_psymtab);
+
+ return 0;
}
-/* Return a new cleanup that discards all psymtabs created in OBJFILE
- after this function is called. */
+/* Helper function for maintenance_print_psymbols to print the addrmap
+ of PSYMTAB. If PSYMTAB is NULL print the entire addrmap. */
-struct cleanup *
-make_cleanup_discard_psymtabs (struct objfile *objfile)
+static void
+dump_psymtab_addrmap (struct objfile *objfile, struct partial_symtab *psymtab,
+ struct ui_file *outfile)
{
- struct psymtab_state *state = XNEW (struct psymtab_state);
-
- state->objfile = objfile;
- state->save = objfile->psymtabs;
+ struct dump_psymtab_addrmap_data addrmap_dump_data;
- return make_cleanup_dtor (discard_psymtabs_upto, state, xfree);
+ if ((psymtab == NULL
+ || psymtab->psymtabs_addrmap_supported)
+ && objfile->psymtabs_addrmap != NULL)
+ {
+ addrmap_dump_data.objfile = objfile;
+ addrmap_dump_data.psymtab = psymtab;
+ addrmap_dump_data.outfile = outfile;
+ 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);
+ }
}
-\f
-
static void
-maintenance_print_psymbols (char *args, int from_tty)
+maintenance_print_psymbols (const char *args, int from_tty)
{
- char **argv;
- struct ui_file *outfile;
- struct cleanup *cleanups;
- char *symname = NULL;
- char *filename = DEV_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;
dont_repeat ();
- if (args == NULL)
- {
- error (_("\
-print-psymbols takes an output file name and optional symbol file name"));
- }
- argv = gdb_buildargv (args);
- cleanups = make_cleanup_freeargv (argv);
+ gdb_argv argv (args);
- if (argv[0] != NULL)
+ for (i = 0; argv != NULL && argv[i] != NULL; ++i)
{
- filename = argv[0];
- /* If a second arg is supplied, it is a source file name to match on. */
- if (argv[1] != NULL)
+ if (strcmp (argv[i], "-pc") == 0)
+ {
+ if (argv[i + 1] == NULL)
+ error (_("Missing pc value"));
+ address_arg = argv[++i];
+ }
+ else if (strcmp (argv[i], "-source") == 0)
+ {
+ if (argv[i + 1] == NULL)
+ error (_("Missing source file"));
+ source_arg = argv[++i];
+ }
+ else if (strcmp (argv[i], "-objfile") == 0)
+ {
+ if (argv[i + 1] == NULL)
+ error (_("Missing objfile name"));
+ objfile_arg = argv[++i];
+ }
+ else if (strcmp (argv[i], "--") == 0)
{
- symname = argv[1];
+ /* End of options. */
+ ++i;
+ break;
+ }
+ else if (argv[i][0] == '-')
+ {
+ /* Future proofing: Don't allow OUTFILE to begin with "-". */
+ error (_("Unknown option: %s"), argv[i]);
}
+ else
+ break;
}
+ outfile_idx = i;
- filename = tilde_expand (filename);
- make_cleanup (xfree, filename);
+ if (address_arg != NULL && source_arg != NULL)
+ error (_("Must specify at most one of -pc and -source"));
- outfile = gdb_fopen (filename, FOPEN_WT);
- if (outfile == NULL)
- perror_with_name (filename);
- make_cleanup_ui_file_delete (outfile);
+ stdio_file arg_outfile;
- ALL_PSYMTABS (objfile, ps)
+ if (argv != NULL && argv[outfile_idx] != NULL)
{
+ if (argv[outfile_idx + 1] != NULL)
+ error (_("Junk at end of command"));
+ gdb::unique_xmalloc_ptr<char> outfile_name
+ (tilde_expand (argv[outfile_idx]));
+ if (!arg_outfile.open (outfile_name.get (), FOPEN_WT))
+ perror_with_name (outfile_name.get ());
+ outfile = &arg_outfile;
+ }
+
+ if (address_arg != NULL)
+ {
+ pc = parse_and_eval_address (address_arg);
+ /* If we fail to find a section, that's ok, try the lookup anyway. */
+ section = find_pc_section (pc);
+ }
+
+ found = 0;
+ ALL_OBJFILES (objfile)
+ {
+ int printed_objfile_header = 0;
+ int print_for_objfile = 1;
+
QUIT;
- if (symname == NULL || filename_cmp (symname, ps->filename) == 0)
- dump_psymtab (objfile, ps, outfile);
+ if (objfile_arg != NULL)
+ print_for_objfile
+ = compare_filenames_for_search (objfile_name (objfile),
+ objfile_arg);
+ if (!print_for_objfile)
+ continue;
+
+ if (address_arg != NULL)
+ {
+ struct bound_minimal_symbol msymbol = { NULL, NULL };
+
+ /* We don't assume each pc has a unique objfile (this is for
+ debugging). */
+ ps = find_pc_sect_psymtab (objfile, pc, section, msymbol);
+ if (ps != NULL)
+ {
+ if (!printed_objfile_header)
+ {
+ outfile->printf ("\nPartial symtabs for objfile %s\n",
+ objfile_name (objfile));
+ printed_objfile_header = 1;
+ }
+ dump_psymtab (objfile, ps, outfile);
+ dump_psymtab_addrmap (objfile, ps, outfile);
+ found = 1;
+ }
+ }
+ else
+ {
+ ALL_OBJFILE_PSYMTABS_REQUIRED (objfile, ps)
+ {
+ int print_for_source = 0;
+
+ QUIT;
+ if (source_arg != NULL)
+ {
+ print_for_source
+ = compare_filenames_for_search (ps->filename, source_arg);
+ found = 1;
+ }
+ if (source_arg == NULL
+ || print_for_source)
+ {
+ if (!printed_objfile_header)
+ {
+ outfile->printf ("\nPartial symtabs for objfile %s\n",
+ objfile_name (objfile));
+ printed_objfile_header = 1;
+ }
+ dump_psymtab (objfile, ps, outfile);
+ dump_psymtab_addrmap (objfile, ps, outfile);
+ }
+ }
+ }
+
+ /* If we're printing all the objfile's symbols dump the full addrmap. */
+
+ if (address_arg == NULL
+ && source_arg == NULL
+ && objfile->psymtabs_addrmap != NULL)
+ {
+ outfile->puts ("\n");
+ dump_psymtab_addrmap (objfile, NULL, outfile);
+ }
+ }
+
+ if (!found)
+ {
+ if (address_arg != NULL)
+ error (_("No partial symtab for address: %s"), address_arg);
+ if (source_arg != NULL)
+ error (_("No partial symtab for source file: %s"), source_arg);
}
- do_cleanups (cleanups);
}
/* List all the partial symbol tables whose names match REGEXP (optional). */
static void
-maintenance_info_psymtabs (char *regexp, int from_tty)
+maintenance_info_psymtabs (const char *regexp, int from_tty)
{
struct program_space *pspace;
struct objfile *objfile;
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 (objfile->global_psymbols.list
- + psymtab->globals_offset),
+ host_address_to_string (p),
psymtab->n_global_syms);
}
else
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 (objfile->static_psymbols.list
- + psymtab->statics_offset),
+ host_address_to_string (p),
psymtab->n_static_syms);
}
else
/* Check consistency of currently expanded psymtabs vs symtabs. */
static void
-maintenance_check_psymtabs (char *ignore, int from_tty)
+maintenance_check_psymtabs (const char *ignore, int from_tty)
{
struct symbol *sym;
- struct partial_symbol **psym;
struct compunit_symtab *cust = NULL;
struct partial_symtab *ps;
const struct blockvector *bv;
continue;
bv = COMPUNIT_BLOCKVECTOR (cust);
b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
- psym = objfile->static_psymbols.list + ps->statics_offset;
+ partial_symbol **psym = &objfile->static_psymbols[ps->statics_offset];
length = ps->n_static_syms;
while (length--)
{
- sym = block_lookup_symbol (b, SYMBOL_LINKAGE_NAME (*psym),
+ sym = block_lookup_symbol (b, SYMBOL_SEARCH_NAME (*psym),
+ symbol_name_match_type::SEARCH_NAME,
SYMBOL_DOMAIN (*psym));
if (!sym)
{
psym++;
}
b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
- psym = objfile->global_psymbols.list + ps->globals_offset;
+ psym = &objfile->global_psymbols[ps->globals_offset];
length = ps->n_global_syms;
while (length--)
{
- sym = block_lookup_symbol (b, SYMBOL_LINKAGE_NAME (*psym),
+ sym = block_lookup_symbol (b, SYMBOL_SEARCH_NAME (*psym),
+ symbol_name_match_type::SEARCH_NAME,
SYMBOL_DOMAIN (*psym));
if (!sym)
{
}
}
-\f
-
-extern initialize_file_ftype _initialize_psymtab;
-
void
_initialize_psymtab (void)
{
add_cmd ("psymbols", class_maintenance, maintenance_print_psymbols, _("\
Print dump of current partial symbol definitions.\n\
-Entries in the partial symbol table are dumped to file OUTFILE.\n\
-If a SOURCE file is specified, dump only that file's partial symbols."),
+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\
+If SOURCE is provided, dump only that file's symbols.\n\
+If OBJFILE is provided, dump only that file's minimal symbols."),
&maintenanceprintlist);
add_cmd ("psymtabs", class_maintenance, maintenance_info_psymtabs, _("\