#include "solist.h"
#include "gdb_bfd.h"
#include "btrace.h"
-#include "common/pathstuff.h"
+#include "gdbsupport/pathstuff.h"
#include <vector>
struct objfile_pspace_info
{
- struct obj_section **sections;
- int num_sections;
+ objfile_pspace_info () = default;
+ ~objfile_pspace_info ();
+
+ struct obj_section **sections = nullptr;
+ int num_sections = 0;
/* Nonzero if object files have been added since the section map
was last updated. */
- int new_objfiles_available;
+ int new_objfiles_available = 0;
/* Nonzero if the section map MUST be updated before use. */
- int section_map_dirty;
+ int section_map_dirty = 0;
/* Nonzero if section map updates should be inhibited if possible. */
- int inhibit_updates;
+ int inhibit_updates = 0;
};
/* Per-program-space data key. */
-static const struct program_space_data *objfiles_pspace_data;
+static const struct program_space_key<objfile_pspace_info>
+ objfiles_pspace_data;
-static void
-objfiles_pspace_data_cleanup (struct program_space *pspace, void *arg)
+objfile_pspace_info::~objfile_pspace_info ()
{
- struct objfile_pspace_info *info = (struct objfile_pspace_info *) arg;
-
- xfree (info->sections);
- xfree (info);
+ xfree (sections);
}
/* Get the current svr4 data. If none is found yet, add it now. This
{
struct objfile_pspace_info *info;
- info = ((struct objfile_pspace_info *)
- program_space_data (pspace, objfiles_pspace_data));
+ info = objfiles_pspace_data.get (pspace);
if (info == NULL)
- {
- info = XCNEW (struct objfile_pspace_info);
- set_program_space_data (pspace, objfiles_pspace_data, info);
- }
+ info = objfiles_pspace_data.emplace (pspace);
return info;
}
/* Per-BFD data key. */
-static const struct bfd_data *objfiles_bfd_data;
+static const struct bfd_key<objfile_per_bfd_storage> objfiles_bfd_data;
+
+objfile_per_bfd_storage::~objfile_per_bfd_storage ()
+{
+}
/* Create the per-BFD storage object for OBJFILE. If ABFD is not
NULL, and it already has a per-BFD storage object, use that.
- Otherwise, allocate a new per-BFD storage object. If ABFD is not
- NULL, the object is allocated on the BFD; otherwise it is allocated
- on OBJFILE's obstack. Note that it is not safe to call this
- multiple times for a given OBJFILE -- it can only be called when
- allocating or re-initializing OBJFILE. */
+ Otherwise, allocate a new per-BFD storage object. Note that it is
+ not safe to call this multiple times for a given OBJFILE -- it can
+ only be called when allocating or re-initializing OBJFILE. */
static struct objfile_per_bfd_storage *
get_objfile_bfd_data (struct objfile *objfile, struct bfd *abfd)
struct objfile_per_bfd_storage *storage = NULL;
if (abfd != NULL)
- storage = ((struct objfile_per_bfd_storage *)
- bfd_data (abfd, objfiles_bfd_data));
+ storage = objfiles_bfd_data.get (abfd);
if (storage == NULL)
{
+ storage = new objfile_per_bfd_storage;
/* If the object requires gdb to do relocations, we simply fall
back to not sharing data across users. These cases are rare
enough that this seems reasonable. */
if (abfd != NULL && !gdb_bfd_requires_relocations (abfd))
- {
- storage
- = ((struct objfile_per_bfd_storage *)
- bfd_alloc (abfd, sizeof (struct objfile_per_bfd_storage)));
- /* objfile_per_bfd_storage is not trivially constructible, must
- call the ctor manually. */
- storage = new (storage) objfile_per_bfd_storage ();
- set_bfd_data (abfd, objfiles_bfd_data, storage);
- }
- else
- storage
- = obstack_new<objfile_per_bfd_storage> (&objfile->objfile_obstack);
+ objfiles_bfd_data.set (abfd, storage);
/* Look up the gdbarch associated with the BFD. */
if (abfd != NULL)
storage->gdbarch = gdbarch_from_bfd (abfd);
-
- storage->filename_cache = bcache_xmalloc (NULL, NULL);
- storage->macro_cache = bcache_xmalloc (NULL, NULL);
- storage->language_of_main = language_unknown;
}
return storage;
}
-/* Free STORAGE. */
-
-static void
-free_objfile_per_bfd_storage (struct objfile_per_bfd_storage *storage)
-{
- bcache_xfree (storage->filename_cache);
- bcache_xfree (storage->macro_cache);
- if (storage->demangled_names_hash)
- htab_delete (storage->demangled_names_hash);
- storage->~objfile_per_bfd_storage ();
-}
-
-/* A wrapper for free_objfile_per_bfd_storage that can be passed as a
- cleanup function to the BFD registry. */
-
-static void
-objfile_bfd_data_free (struct bfd *unused, void *d)
-{
- free_objfile_per_bfd_storage ((struct objfile_per_bfd_storage *) d);
-}
-
/* See objfiles.h. */
void
if (objfile->per_bfd->name_of_main == NULL
|| strcmp (objfile->per_bfd->name_of_main, name) != 0)
objfile->per_bfd->name_of_main
- = (const char *) obstack_copy0 (&objfile->per_bfd->storage_obstack, name,
- strlen (name));
+ = obstack_strdup (&objfile->per_bfd->storage_obstack, name);
objfile->per_bfd->language_of_main = lang;
}
struct static_link_htab_entry *entry;
if (objfile->static_links == NULL)
- objfile->static_links = htab_create_alloc
+ objfile->static_links.reset (htab_create_alloc
(1, &static_link_htab_entry_hash, static_link_htab_entry_eq, NULL,
- xcalloc, xfree);
+ xcalloc, xfree));
/* Create a slot for the mapping, make sure it's the first mapping for this
block and then create the mapping itself. */
lookup_entry.block = block;
- slot = htab_find_slot (objfile->static_links, &lookup_entry, INSERT);
+ slot = htab_find_slot (objfile->static_links.get (), &lookup_entry, INSERT);
gdb_assert (*slot == NULL);
entry = XOBNEW (&objfile->objfile_obstack, static_link_htab_entry);
if (objfile->static_links == NULL)
return NULL;
lookup_entry.block = block;
- entry
- = (struct static_link_htab_entry *) htab_find (objfile->static_links,
- &lookup_entry);
+ entry = ((struct static_link_htab_entry *)
+ htab_find (objfile->static_links.get (), &lookup_entry));
if (entry == NULL)
return NULL;
{
flagword aflag;
- aflag = bfd_get_section_flags (abfd, asect);
+ aflag = bfd_section_flags (asect);
if (!(aflag & SEC_ALLOC))
return;
}
objfile::objfile (bfd *abfd, const char *name, objfile_flags flags_)
: flags (flags_),
pspace (current_program_space),
- obfd (abfd),
- psymbol_cache (psymbol_bcache_init ())
+ partial_symtabs (new psymtab_storage ()),
+ obfd (abfd)
{
const char *expanded_name;
name_holder = gdb_abspath (name);
expanded_name = name_holder.get ();
}
- original_name
- = (char *) obstack_copy0 (&objfile_obstack,
- expanded_name,
- strlen (expanded_name));
+ original_name = obstack_strdup (&objfile_obstack, expanded_name);
/* Update the per-objfile information that comes from the bfd, ensuring
that any data that is reference is saved in the per-objfile data
per_bfd = get_objfile_bfd_data (this, abfd);
- terminate_minimal_symbol_table (this);
-
/* Add this file onto the tail of the linked list of other such files. */
if (object_files == NULL)
return retval;
}
-/* Iterator on PARENT and every separate debug objfile of PARENT.
- The usage pattern is:
- for (objfile = parent;
- objfile;
- objfile = objfile_separate_debug_iterate (parent, objfile))
- ...
-*/
-
-struct objfile *
-objfile_separate_debug_iterate (const struct objfile *parent,
- const struct objfile *objfile)
+separate_debug_iterator &
+separate_debug_iterator::operator++ ()
{
+ gdb_assert (m_objfile != nullptr);
+
struct objfile *res;
/* If any, return the first child. */
- res = objfile->separate_debug_objfile;
- if (res)
- return res;
+ res = m_objfile->separate_debug_objfile;
+ if (res != nullptr)
+ {
+ m_objfile = res;
+ return *this;
+ }
/* Common case where there is no separate debug objfile. */
- if (objfile == parent)
- return NULL;
+ if (m_objfile == m_parent)
+ {
+ m_objfile = nullptr;
+ return *this;
+ }
/* Return the brother if any. Note that we don't iterate on brothers of
the parents. */
- res = objfile->separate_debug_objfile_link;
- if (res)
- return res;
+ res = m_objfile->separate_debug_objfile_link;
+ if (res != nullptr)
+ {
+ m_objfile = res;
+ return *this;
+ }
- for (res = objfile->separate_debug_objfile_backlink;
- res != parent;
+ for (res = m_objfile->separate_debug_objfile_backlink;
+ res != m_parent;
res = res->separate_debug_objfile_backlink)
{
- gdb_assert (res != NULL);
- if (res->separate_debug_objfile_link)
- return res->separate_debug_objfile_link;
+ gdb_assert (res != nullptr);
+ if (res->separate_debug_objfile_link != nullptr)
+ {
+ m_objfile = res->separate_debug_objfile_link;
+ return *this;
+ }
}
- return NULL;
+ m_objfile = nullptr;
+ return *this;
}
/* Put one object file before a specified on in the global list.
This can be used to make sure an object file is destroyed before
- another when using all_objfiles_safe to free all objfiles. */
+ another when using objfiles_safe to free all objfiles. */
void
put_objfile_before (struct objfile *objfile, struct objfile *before_this)
{
parent->separate_debug_objfile = objfile;
/* Put the separate debug object before the normal one, this is so that
- usage of all_objfiles_safe will stay safe. */
+ usage of objfiles_safe will stay safe. */
put_objfile_before (objfile, parent);
}
if (obfd)
gdb_bfd_unref (obfd);
else
- free_objfile_per_bfd_storage (per_bfd);
+ delete per_bfd;
/* Remove it from the chain of all objfiles. */
for example), so we need to call this here. */
clear_pc_function_cache ();
- /* Clear globals which might have pointed into a removed objfile.
- FIXME: It's not clear which of these are supposed to persist
- between expressions and which ought to be reset each time. */
- expression_context_block = NULL;
- innermost_block.reset ();
-
/* Check to see if the current_source_symtab belongs to this objfile,
and if so, call clear_current_source_symtab_and_line. */
}
/* Free the obstacks for non-reusable objfiles. */
- psymbol_bcache_free (psymbol_cache);
obstack_free (&objfile_obstack, 0);
/* Rebuild section map next time we need it. */
get_objfile_pspace_data (pspace)->section_map_dirty = 1;
-
- /* Free the map for static links. There's no need to free static link
- themselves since they were allocated on the objstack. */
- if (static_links != NULL)
- htab_delete (static_links);
}
/* Free all the object files at once and clean up their users. */
{
struct so_list *so;
- /* Any objfile referencewould become stale. */
+ /* Any objfile reference would become stale. */
for (so = master_so_list (); so; so = so->next)
gdb_assert (so->objfile == NULL);
- for (objfile *objfile : all_objfiles_safe (current_program_space))
+ for (objfile *objfile : current_program_space->objfiles_safe ())
delete objfile;
clear_symtab_users (0);
}
|| SYMBOL_CLASS (sym) == LOC_STATIC)
&& SYMBOL_SECTION (sym) >= 0)
{
- SYMBOL_VALUE_ADDRESS (sym) += ANOFFSET (delta, SYMBOL_SECTION (sym));
+ SET_SYMBOL_VALUE_ADDRESS (sym,
+ SYMBOL_VALUE_ADDRESS (sym)
+ + ANOFFSET (delta, SYMBOL_SECTION (sym)));
}
}
/* OK, get all the symtabs. */
{
- struct compunit_symtab *cust;
- struct symtab *s;
-
- ALL_OBJFILE_FILETABS (objfile, cust, s)
- {
- struct linetable *l;
-
- /* First the line table. */
- l = SYMTAB_LINETABLE (s);
- if (l)
- {
- for (int i = 0; i < l->nitems; ++i)
- l->item[i].pc += ANOFFSET (delta,
- COMPUNIT_BLOCK_LINE_SECTION
- (cust));
- }
- }
-
- ALL_OBJFILE_COMPUNITS (objfile, cust)
- {
- const struct blockvector *bv = COMPUNIT_BLOCKVECTOR (cust);
- int block_line_section = COMPUNIT_BLOCK_LINE_SECTION (cust);
-
- if (BLOCKVECTOR_MAP (bv))
- addrmap_relocate (BLOCKVECTOR_MAP (bv),
- ANOFFSET (delta, block_line_section));
-
- for (int i = 0; i < BLOCKVECTOR_NBLOCKS (bv); ++i)
- {
- struct block *b;
- struct symbol *sym;
- struct dict_iterator iter;
-
- b = BLOCKVECTOR_BLOCK (bv, i);
- BLOCK_START (b) += ANOFFSET (delta, block_line_section);
- BLOCK_END (b) += ANOFFSET (delta, block_line_section);
-
- if (BLOCK_RANGES (b) != nullptr)
- for (int j = 0; j < BLOCK_NRANGES (b); j++)
+ for (compunit_symtab *cust : objfile->compunits ())
+ {
+ for (symtab *s : compunit_filetabs (cust))
+ {
+ struct linetable *l;
+
+ /* First the line table. */
+ l = SYMTAB_LINETABLE (s);
+ if (l)
{
- BLOCK_RANGE_START (b, j)
- += ANOFFSET (delta, block_line_section);
- BLOCK_RANGE_END (b, j) += ANOFFSET (delta, block_line_section);
+ for (int i = 0; i < l->nitems; ++i)
+ l->item[i].pc += ANOFFSET (delta,
+ COMPUNIT_BLOCK_LINE_SECTION
+ (cust));
}
-
- /* We only want to iterate over the local symbols, not any
- symbols in included symtabs. */
- ALL_DICT_SYMBOLS (BLOCK_DICT (b), iter, sym)
- {
- relocate_one_symbol (sym, objfile, delta);
- }
- }
- }
+ }
+ }
+
+ for (compunit_symtab *cust : objfile->compunits ())
+ {
+ const struct blockvector *bv = COMPUNIT_BLOCKVECTOR (cust);
+ int block_line_section = COMPUNIT_BLOCK_LINE_SECTION (cust);
+
+ if (BLOCKVECTOR_MAP (bv))
+ addrmap_relocate (BLOCKVECTOR_MAP (bv),
+ ANOFFSET (delta, block_line_section));
+
+ for (int i = 0; i < BLOCKVECTOR_NBLOCKS (bv); ++i)
+ {
+ struct block *b;
+ struct symbol *sym;
+ struct mdict_iterator miter;
+
+ b = BLOCKVECTOR_BLOCK (bv, i);
+ BLOCK_START (b) += ANOFFSET (delta, block_line_section);
+ BLOCK_END (b) += ANOFFSET (delta, block_line_section);
+
+ if (BLOCK_RANGES (b) != nullptr)
+ for (int j = 0; j < BLOCK_NRANGES (b); j++)
+ {
+ BLOCK_RANGE_START (b, j)
+ += ANOFFSET (delta, block_line_section);
+ BLOCK_RANGE_END (b, j) += ANOFFSET (delta,
+ block_line_section);
+ }
+
+ /* We only want to iterate over the local symbols, not any
+ symbols in included symtabs. */
+ ALL_DICT_SYMBOLS (BLOCK_MULTIDICT (b), miter, sym)
+ {
+ relocate_one_symbol (sym, objfile, delta);
+ }
+ }
+ }
}
/* This stores relocated addresses and so must be cleared. This
objfile_relocate (struct objfile *objfile,
const struct section_offsets *new_offsets)
{
- struct objfile *debug_objfile;
int changed = 0;
changed |= objfile_relocate1 (objfile, new_offsets);
- for (debug_objfile = objfile->separate_debug_objfile;
- debug_objfile;
- debug_objfile = objfile_separate_debug_iterate (objfile, debug_objfile))
+ for (::objfile *debug_objfile : objfile->separate_debug_objfiles ())
{
+ if (debug_objfile == objfile)
+ continue;
+
section_addr_info objfile_addrs
= build_section_addr_info_from_objfile (objfile);
void
objfile_rebase (struct objfile *objfile, CORE_ADDR slide)
{
- struct objfile *debug_objfile;
int changed = 0;
- changed |= objfile_rebase1 (objfile, slide);
-
- for (debug_objfile = objfile->separate_debug_objfile;
- debug_objfile;
- debug_objfile = objfile_separate_debug_iterate (objfile, debug_objfile))
+ for (::objfile *debug_objfile : objfile->separate_debug_objfiles ())
changed |= objfile_rebase1 (debug_objfile, slide);
/* Relocate breakpoints as necessary, after things are relocated. */
int
objfile_has_symbols (struct objfile *objfile)
{
- struct objfile *o;
-
- for (o = objfile; o; o = objfile_separate_debug_iterate (objfile, o))
+ for (::objfile *o : objfile->separate_debug_objfiles ())
if (objfile_has_partial_symbols (o) || objfile_has_full_symbols (o))
return 1;
return 0;
int
have_partial_symbols (void)
{
- for (objfile *ofp : all_objfiles (current_program_space))
+ for (objfile *ofp : current_program_space->objfiles ())
{
if (objfile_has_partial_symbols (ofp))
return 1;
int
have_full_symbols (void)
{
- for (objfile *ofp : all_objfiles (current_program_space))
+ for (objfile *ofp : current_program_space->objfiles ())
{
if (objfile_has_full_symbols (ofp))
return 1;
void
objfile_purge_solibs (void)
{
- for (objfile *objf : all_objfiles_safe (current_program_space))
+ for (objfile *objf : current_program_space->objfiles_safe ())
{
/* We assume that the solib package has been purged already, or will
be soon. */
int
have_minimal_symbols (void)
{
- for (objfile *ofp : all_objfiles (current_program_space))
+ for (objfile *ofp : current_program_space->objfiles ())
{
if (ofp->per_bfd->minimal_symbol_count > 0)
{
{
/* Sort on sequence number of the objfile in the chain. */
- for (objfile *objfile : all_objfiles (current_program_space))
+ for (objfile *objfile : current_program_space->objfiles ())
if (objfile == objfile1)
return -1;
else if (objfile == objfile2)
insert_section_p (const struct bfd *abfd,
const struct bfd_section *section)
{
- const bfd_vma lma = bfd_section_lma (abfd, section);
+ const bfd_vma lma = bfd_section_lma (section);
- if (overlay_debugging && lma != 0 && lma != bfd_section_vma (abfd, section)
+ if (overlay_debugging && lma != 0 && lma != bfd_section_vma (section)
&& (bfd_get_file_flags (abfd) & BFD_IN_MEMORY) == 0)
/* This is an overlay section. IN_MEMORY check is needed to avoid
discarding sections from the "system supplied DSO" (aka vdso)
on some Linux systems (e.g. Fedora 11). */
return 0;
- if ((bfd_get_section_flags (abfd, section) & SEC_THREAD_LOCAL) != 0)
+ if ((bfd_section_flags (section) & SEC_THREAD_LOCAL) != 0)
/* This is a TLS section. */
return 0;
" (A) section `%s' from `%s' [%s, %s)\n"
" (B) section `%s' from `%s' [%s, %s).\n"
"Will ignore section B"),
- bfd_section_name (abfd1, bfds1), objfile_name (objf1),
+ bfd_section_name (bfds1), objfile_name (objf1),
paddress (gdbarch, sect1_addr),
paddress (gdbarch, sect1_endaddr),
- bfd_section_name (abfd2, bfds2), objfile_name (objf2),
+ bfd_section_name (bfds2), objfile_name (objf2),
paddress (gdbarch, sect2_addr),
paddress (gdbarch, sect2_endaddr));
}
xfree (map);
alloc_size = 0;
- for (objfile *objfile : all_objfiles (pspace))
+ for (objfile *objfile : pspace->objfiles ())
ALL_OBJFILE_OSECTIONS (objfile, s)
if (insert_section_p (objfile->obfd, s->the_bfd_section))
alloc_size += 1;
map = XNEWVEC (struct obj_section *, alloc_size);
i = 0;
- for (objfile *objfile : all_objfiles (pspace))
+ for (objfile *objfile : pspace->objfiles ())
ALL_OBJFILE_OSECTIONS (objfile, s)
if (insert_section_p (objfile->obfd, s->the_bfd_section))
map[i++] = s;
shared_objfile_contains_address_p (struct program_space *pspace,
CORE_ADDR address)
{
- for (objfile *objfile : all_objfiles (pspace))
+ for (objfile *objfile : pspace->objfiles ())
{
if ((objfile->flags & OBJF_SHARED) != 0
&& is_addr_in_objfile (address, objfile))
}
/* The default implementation for the "iterate_over_objfiles_in_search_order"
- gdbarch method. It is equivalent to use the all_objfiles iterable,
+ gdbarch method. It is equivalent to use the objfiles iterable,
searching the objfiles in the order they are stored internally,
ignoring CURRENT_OBJFILE.
{
int stop = 0;
- for (objfile *objfile : all_objfiles (current_program_space))
+ for (objfile *objfile : current_program_space->objfiles ())
{
stop = cb (objfile, cb_data);
if (stop)
return bfd_flavour_name (bfd_get_flavour (objfile->obfd));
return NULL;
}
-
-void
-_initialize_objfiles (void)
-{
- objfiles_pspace_data
- = register_program_space_data_with_cleanup (NULL,
- objfiles_pspace_data_cleanup);
-
- objfiles_bfd_data = register_bfd_data_with_cleanup (NULL,
- objfile_bfd_data_free);
-}