#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->language_of_main = language_unknown;
}
return storage;
}
-/* Free STORAGE. */
-
-static void
-free_objfile_per_bfd_storage (struct objfile_per_bfd_storage *storage)
-{
- 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;
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.
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. */
/* 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);
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;
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);
-}
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