/* Definitions for symbol file management in GDB.
- Copyright (C) 1992-2019 Free Software Foundation, Inc.
+ Copyright (C) 1992-2022 Free Software Foundation, Inc.
This file is part of GDB.
#define OBJFILES_H
#include "hashtab.h"
-#include "gdb_obstack.h" /* For obstack internals. */
+#include "gdbsupport/gdb_obstack.h" /* For obstack internals. */
#include "objfile-flags.h"
#include "symfile.h"
#include "progspace.h"
#include "registry.h"
#include "gdb_bfd.h"
#include "psymtab.h"
+#include <atomic>
+#include <bitset>
#include <vector>
-#include "common/next-iterator.h"
-#include "common/safe-iterator.h"
+#include "gdbsupport/next-iterator.h"
+#include "gdbsupport/safe-iterator.h"
+#include "bcache.h"
+#include "gdbarch.h"
+#include "gdbsupport/refcounted-object.h"
+#include "jit.h"
+#include "quick-symbol.h"
+#include <forward_list>
-struct bcache;
struct htab;
struct objfile_data;
struct partial_symbol;
testcase are broken for some targets. In this test the functions
are all implemented as part of one file and the testcase is not
necessarily linked with a start file (depending on the target).
- What happens is, that the first frame is printed normaly and
- following frames are treated as being inside the enttry file then.
+ What happens is, that the first frame is printed normally and
+ following frames are treated as being inside the entry file then.
This way, only the #0 frame is printed in the backtrace output.''
Ref "frame.c" "NOTE: vinschen/2003-04-01".
unsigned initialized : 1;
};
-/* Sections in an objfile. The section offsets are stored in the
- OBJFILE. */
-
-struct obj_section
-{
- /* BFD section pointer */
- struct bfd_section *the_bfd_section;
-
- /* Objfile this section is part of. */
- struct objfile *objfile;
+#define ALL_OBJFILE_OSECTIONS(objfile, osect) \
+ for (osect = objfile->sections; osect < objfile->sections_end; osect++) \
+ if (osect->the_bfd_section == NULL) \
+ { \
+ /* Nothing. */ \
+ } \
+ else
- /* True if this "overlay section" is mapped into an "overlay region". */
- int ovly_mapped;
-};
+#define SECT_OFF_DATA(objfile) \
+ ((objfile->sect_index_data == -1) \
+ ? (internal_error (__FILE__, __LINE__, \
+ _("sect_index_data not initialized")), -1) \
+ : objfile->sect_index_data)
-/* Relocation offset applied to S. */
-#define obj_section_offset(s) \
- (((s)->objfile->section_offsets)->offsets[gdb_bfd_section_index ((s)->objfile->obfd, (s)->the_bfd_section)])
+#define SECT_OFF_RODATA(objfile) \
+ ((objfile->sect_index_rodata == -1) \
+ ? (internal_error (__FILE__, __LINE__, \
+ _("sect_index_rodata not initialized")), -1) \
+ : objfile->sect_index_rodata)
-/* The memory address of section S (vma + offset). */
-#define obj_section_addr(s) \
- (bfd_get_section_vma ((s)->objfile->obfd, s->the_bfd_section) \
- + obj_section_offset (s))
+#define SECT_OFF_TEXT(objfile) \
+ ((objfile->sect_index_text == -1) \
+ ? (internal_error (__FILE__, __LINE__, \
+ _("sect_index_text not initialized")), -1) \
+ : objfile->sect_index_text)
-/* The one-passed-the-end memory address of section S
- (vma + size + offset). */
-#define obj_section_endaddr(s) \
- (bfd_get_section_vma ((s)->objfile->obfd, s->the_bfd_section) \
- + bfd_get_section_size ((s)->the_bfd_section) \
- + obj_section_offset (s))
+/* Sometimes the .bss section is missing from the objfile, so we don't
+ want to die here. Let the users of SECT_OFF_BSS deal with an
+ uninitialized section index. */
+#define SECT_OFF_BSS(objfile) (objfile)->sect_index_bss
/* The "objstats" structure provides a place for gdb to record some
interesting information about its internal state at runtime, on a
struct objstats
{
- /* Number of partial symbols read. */
- int n_psyms = 0;
-
/* Number of full symbols read. */
int n_syms = 0;
#define OBJSTAT(objfile, expr) (objfile -> stats.expr)
#define OBJSTATS struct objstats stats
extern void print_objfile_statistics (void);
-extern void print_symbol_bcache_statistics (void);
/* Number of entries in the minimal symbol hash table. */
#define MINIMAL_SYMBOL_HASH_SIZE 2039
+/* An iterator for minimal symbols. */
+
+struct minimal_symbol_iterator
+{
+ typedef minimal_symbol_iterator self_type;
+ typedef struct minimal_symbol *value_type;
+ typedef struct minimal_symbol *&reference;
+ typedef struct minimal_symbol **pointer;
+ typedef std::forward_iterator_tag iterator_category;
+ typedef int difference_type;
+
+ explicit minimal_symbol_iterator (struct minimal_symbol *msym)
+ : m_msym (msym)
+ {
+ }
+
+ value_type operator* () const
+ {
+ return m_msym;
+ }
+
+ bool operator== (const self_type &other) const
+ {
+ return m_msym == other.m_msym;
+ }
+
+ bool operator!= (const self_type &other) const
+ {
+ return m_msym != other.m_msym;
+ }
+
+ self_type &operator++ ()
+ {
+ ++m_msym;
+ return *this;
+ }
+
+private:
+ struct minimal_symbol *m_msym;
+};
+
/* Some objfile data is hung off the BFD. This enables sharing of the
data across all objfiles using the BFD. The data is stored in an
instance of this structure, and associated with the BFD using the
struct objfile_per_bfd_storage
{
- objfile_per_bfd_storage ()
- : minsyms_read (false)
+ objfile_per_bfd_storage (bfd *bfd)
+ : minsyms_read (false), m_bfd (bfd)
{}
- /* The storage has an obstack of its own. */
+ ~objfile_per_bfd_storage ();
- auto_obstack storage_obstack;
+ /* Intern STRING in this object's string cache and return the unique copy.
+ The copy has the same lifetime as this object.
+
+ STRING must be null-terminated. */
+
+ const char *intern (const char *str)
+ {
+ return (const char *) string_cache.insert (str, strlen (str) + 1);
+ }
+
+ /* Same as the above, but for an std::string. */
- /* Byte cache for file names. */
+ const char *intern (const std::string &str)
+ {
+ return (const char *) string_cache.insert (str.c_str (), str.size () + 1);
+ }
+
+ /* Get the BFD this object is associated to. */
- bcache *filename_cache = NULL;
+ bfd *get_bfd () const
+ {
+ return m_bfd;
+ }
+
+ /* The storage has an obstack of its own. */
+
+ auto_obstack storage_obstack;
- /* Byte cache for macros. */
+ /* String cache. */
- bcache *macro_cache = NULL;
+ gdb::bcache string_cache;
/* The gdbarch associated with the BFD. Note that this gdbarch is
determined solely from BFD information, without looking at target
struct gdbarch *gdbarch = NULL;
/* Hash table for mapping symbol names to demangled names. Each
- entry in the hash table is actually two consecutive strings,
- both null-terminated; the first one is a mangled or linkage
- name, and the second is the demangled name or just a zero byte
- if the name doesn't demangle. */
+ entry in the hash table is a demangled_name_entry struct, storing the
+ language and two consecutive strings, both null-terminated; the first one
+ is a mangled or linkage name, and the second is the demangled name or just
+ a zero byte if the name doesn't demangle. */
- htab *demangled_names_hash = NULL;
+ htab_up demangled_names_hash;
/* The per-objfile information about the entry point, the scope (file/func)
containing the entry point, and the scope of the user's main() func. */
name and a zero value for the address. This makes it easy to walk
through the array when passed a pointer to somewhere in the middle
of it. There is also a count of the number of symbols, which does
- not include the terminating null symbol. The array itself, as well
- as all the data that it points to, should be allocated on the
- objfile_obstack for this file. */
+ not include the terminating null symbol. */
- minimal_symbol *msymbols = NULL;
+ gdb::unique_xmalloc_ptr<minimal_symbol> msymbols;
int minimal_symbol_count = 0;
/* The number of minimal symbols read, before any minimal symbol
bool minsyms_read : 1;
- /* This is a hash table used to index the minimal symbols by name. */
+ /* This is a hash table used to index the minimal symbols by (mangled)
+ name. */
minimal_symbol *msymbol_hash[MINIMAL_SYMBOL_HASH_SIZE] {};
/* This hash table is used to index the minimal symbols by their
- demangled names. */
+ demangled names. Uses a language-specific hash function via
+ search_name_hash. */
minimal_symbol *msymbol_demangled_hash[MINIMAL_SYMBOL_HASH_SIZE] {};
/* All the different languages of symbols found in the demangled
- hash table. A flat/vector-based map is more efficient than a map
- or hash table here, since this will only usually contain zero or
- one entries. */
- std::vector<enum language> demangled_hash_languages;
+ hash table. */
+ std::bitset<nr_languages> demangled_hash_languages;
+
+private:
+ /* The BFD this object is associated to. */
+
+ bfd *m_bfd;
+};
+
+/* An iterator that first returns a parent objfile, and then each
+ separate debug objfile. */
+
+class separate_debug_iterator
+{
+public:
+
+ explicit separate_debug_iterator (struct objfile *objfile)
+ : m_objfile (objfile),
+ m_parent (objfile)
+ {
+ }
+
+ bool operator!= (const separate_debug_iterator &other)
+ {
+ return m_objfile != other.m_objfile;
+ }
+
+ separate_debug_iterator &operator++ ();
+
+ struct objfile *operator* ()
+ {
+ return m_objfile;
+ }
+
+private:
+
+ struct objfile *m_objfile;
+ struct objfile *m_parent;
};
+/* A range adapter wrapping separate_debug_iterator. */
+
+typedef iterator_range<separate_debug_iterator> separate_debug_range;
+
/* Master structure for keeping track of each file from which
gdb reads symbols. There are several ways these get allocated: 1.
The main symbol file, symfile_objfile, set by the symbol-file command,
2. Additional symbol files added by the add-symbol-file command,
3. Shared library objfiles, added by ADD_SOLIB, 4. symbol files
for modules that were loaded when GDB attached to a remote system
- (see remote-vx.c). */
+ (see remote-vx.c).
+
+ GDB typically reads symbols twice -- first an initial scan which just
+ reads "partial symbols"; these are partial information for the
+ static/global symbols in a symbol file. When later looking up
+ symbols, lookup_symbol is used to check if we only have a partial
+ symbol and if so, read and expand the full compunit. */
struct objfile
{
+private:
+
+ /* The only way to create an objfile is to call objfile::make. */
objfile (bfd *, const char *, objfile_flags);
+
+public:
+
+ /* Normally you should not call delete. Instead, call 'unlink' to
+ remove it from the program space's list. In some cases, you may
+ need to hold a reference to an objfile that is independent of its
+ existence on the program space's list; for this case, the
+ destructor must be public so that shared_ptr can reference
+ it. */
~objfile ();
+ /* Create an objfile. */
+ static objfile *make (bfd *bfd_, const char *name_, objfile_flags flags_,
+ objfile *parent = nullptr);
+
+ /* Remove an objfile from the current program space, and free
+ it. */
+ void unlink ();
+
DISABLE_COPY_AND_ASSIGN (objfile);
- /* Reset the storage for the partial symbol tables. */
+ /* A range adapter that makes it possible to iterate over all
+ compunits in one objfile. */
- void reset_psymtabs ()
+ compunit_symtab_range compunits ()
{
- psymbol_map.clear ();
- partial_symtabs.reset (new psymtab_storage ());
+ return compunit_symtab_range (compunit_symtabs);
}
+ /* A range adapter that makes it possible to iterate over all
+ minimal symbols of an objfile. */
- /* All struct objfile's are chained together by their next pointers.
- The program space field "objfiles" (frequently referenced via
- the macro "object_files") points to the first link in this chain. */
+ typedef iterator_range<minimal_symbol_iterator> msymbols_range;
- struct objfile *next = nullptr;
+ /* Return a range adapter for iterating over all minimal
+ symbols. */
+
+ msymbols_range msymbols ()
+ {
+ auto start = minimal_symbol_iterator (per_bfd->msymbols.get ());
+ auto end = minimal_symbol_iterator (per_bfd->msymbols.get ()
+ + per_bfd->minimal_symbol_count);
+ return msymbols_range (start, end);
+ }
+
+ /* Return a range adapter for iterating over all the separate debug
+ objfiles of this objfile. */
+
+ separate_debug_range separate_debug_objfiles ()
+ {
+ auto start = separate_debug_iterator (this);
+ auto end = separate_debug_iterator (nullptr);
+ return separate_debug_range (start, end);
+ }
+
+ CORE_ADDR text_section_offset () const
+ {
+ return section_offsets[SECT_OFF_TEXT (this)];
+ }
+
+ CORE_ADDR data_section_offset () const
+ {
+ return section_offsets[SECT_OFF_DATA (this)];
+ }
+
+ /* Intern STRING and return the unique copy. The copy has the same
+ lifetime as the per-BFD object. */
+ const char *intern (const char *str)
+ {
+ return per_bfd->intern (str);
+ }
+
+ /* Intern STRING and return the unique copy. The copy has the same
+ lifetime as the per-BFD object. */
+ const char *intern (const std::string &str)
+ {
+ return per_bfd->intern (str);
+ }
+
+ /* Retrieve the gdbarch associated with this objfile. */
+ struct gdbarch *arch () const
+ {
+ return per_bfd->gdbarch;
+ }
+
+ /* Return true if OBJFILE has partial symbols. */
+
+ bool has_partial_symbols ();
+
+ /* Return true if this objfile has any unexpanded symbols. A return
+ value of false indicates either, that this objfile has all its
+ symbols fully expanded (i.e. fully read in), or that this objfile has
+ no symbols at all (i.e. no debug information). */
+ bool has_unexpanded_symtabs ();
+
+ /* See quick_symbol_functions. */
+ struct symtab *find_last_source_symtab ();
+
+ /* See quick_symbol_functions. */
+ void forget_cached_source_info ();
+
+ /* Expand and iterate over each "partial" symbol table in OBJFILE
+ where the source file is named NAME.
+
+ If NAME is not absolute, a match after a '/' in the symbol table's
+ file name will also work, REAL_PATH is NULL then. If NAME is
+ absolute then REAL_PATH is non-NULL absolute file name as resolved
+ via gdb_realpath from NAME.
+
+ If a match is found, the "partial" symbol table is expanded.
+ Then, this calls iterate_over_some_symtabs (or equivalent) over
+ all newly-created symbol tables, passing CALLBACK to it.
+ The result of this call is returned. */
+ bool map_symtabs_matching_filename
+ (const char *name, const char *real_path,
+ gdb::function_view<bool (symtab *)> callback);
+
+ /* Check to see if the symbol is defined in a "partial" symbol table
+ of this objfile. BLOCK_INDEX should be either GLOBAL_BLOCK or
+ STATIC_BLOCK, depending on whether we want to search global
+ symbols or static symbols. NAME is the name of the symbol to
+ look for. DOMAIN indicates what sort of symbol to search for.
+
+ Returns the newly-expanded compunit in which the symbol is
+ defined, or NULL if no such symbol table exists. If OBJFILE
+ contains !TYPE_OPAQUE symbol prefer its compunit. If it contains
+ only TYPE_OPAQUE symbol(s), return at least that compunit. */
+ struct compunit_symtab *lookup_symbol (block_enum kind, const char *name,
+ domain_enum domain);
+
+ /* See quick_symbol_functions. */
+ void print_stats (bool print_bcache);
+
+ /* See quick_symbol_functions. */
+ void dump ();
+
+ /* Find all the symbols in OBJFILE named FUNC_NAME, and ensure that
+ the corresponding symbol tables are loaded. */
+ void expand_symtabs_for_function (const char *func_name);
+
+ /* See quick_symbol_functions. */
+ void expand_all_symtabs ();
+
+ /* Read all symbol tables associated with OBJFILE which have
+ symtab_to_fullname equal to FULLNAME.
+ This is for the purposes of examining code only, e.g., expand_line_sal.
+ The routine may ignore debug info that is known to not be useful with
+ code, e.g., DW_TAG_type_unit for dwarf debug info. */
+ void expand_symtabs_with_fullname (const char *fullname);
+
+ /* See quick_symbol_functions. */
+ void expand_matching_symbols
+ (const lookup_name_info &name, domain_enum domain,
+ int global,
+ symbol_compare_ftype *ordered_compare);
+
+ /* See quick_symbol_functions. */
+ bool expand_symtabs_matching
+ (gdb::function_view<expand_symtabs_file_matcher_ftype> file_matcher,
+ const lookup_name_info *lookup_name,
+ gdb::function_view<expand_symtabs_symbol_matcher_ftype> symbol_matcher,
+ gdb::function_view<expand_symtabs_exp_notify_ftype> expansion_notify,
+ block_search_flags search_flags,
+ domain_enum domain,
+ enum search_domain kind);
+
+ /* See quick_symbol_functions. */
+ struct compunit_symtab *find_pc_sect_compunit_symtab
+ (struct bound_minimal_symbol msymbol,
+ CORE_ADDR pc,
+ struct obj_section *section,
+ int warn_if_readin);
+
+ /* See quick_symbol_functions. */
+ void map_symbol_filenames (gdb::function_view<symbol_filename_ftype> fun,
+ bool need_fullname);
+
+ /* See quick_symbol_functions. */
+ struct compunit_symtab *find_compunit_symtab_by_address (CORE_ADDR address);
+
+ /* See quick_symbol_functions. */
+ enum language lookup_global_symbol_language (const char *name,
+ domain_enum domain,
+ bool *symbol_found_p);
+
+ /* See quick_symbol_functions. */
+ void require_partial_symbols (bool verbose);
+
+ /* Return the relocation offset applied to SECTION. */
+ CORE_ADDR section_offset (bfd_section *section) const
+ {
+ /* The section's owner can be nullptr if it is one of the _bfd_std_section
+ section. */
+ gdb_assert (section->owner == nullptr || section->owner == this->obfd);
+
+ int idx = gdb_bfd_section_index (this->obfd, section);
+ return this->section_offsets[idx];
+ }
+
+ /* Set the relocation offset applied to SECTION. */
+ void set_section_offset (bfd_section *section, CORE_ADDR offset)
+ {
+ /* The section's owner can be nullptr if it is one of the _bfd_std_section
+ section. */
+ gdb_assert (section->owner == nullptr || section->owner == this->obfd);
+
+ int idx = gdb_bfd_section_index (this->obfd, section);
+ this->section_offsets[idx] = offset;
+ }
/* The object file's original name as specified by the user,
made absolute, and tilde-expanded. However, it is not canonicalized
This pointer is never NULL. This does not have to be freed; it is
guaranteed to have a lifetime at least as long as the objfile. */
- char *original_name = nullptr;
+ const char *original_name = nullptr;
CORE_ADDR addr_low = 0;
struct compunit_symtab *compunit_symtabs = nullptr;
- /* The partial symbol tables. */
-
- std::shared_ptr<psymtab_storage> partial_symtabs;
-
/* The object file's BFD. Can be null if the objfile contains only
minimal symbols, e.g. the run time common symbols for SunOS4. */
struct obstack objfile_obstack {};
- /* Map symbol addresses to the partial symtab that defines the
- object at that address. */
-
- std::vector<std::pair<CORE_ADDR, partial_symtab *>> psymbol_map;
-
/* Structure which keeps track of functions that manipulate objfile's
of the same type as this objfile. I.e. the function to read partial
symbols for example. Note that this structure is in statically
const struct sym_fns *sf = nullptr;
+ /* The "quick" (aka partial) symbol functions for this symbol
+ reader. */
+ std::forward_list<quick_symbol_functions_up> qf;
+
/* Per objfile data-pointers required by other GDB modules. */
REGISTRY_FIELDS {};
/* Set of relocation offsets to apply to each section.
The table is indexed by the_bfd_section->index, thus it is generally
as large as the number of sections in the binary.
- The table is stored on the objfile_obstack.
These offsets indicate that all symbols (including partial and
minimal symbols) which have been read have been relocated by this
much. Symbols which are yet to be read need to be relocated by it. */
- struct section_offsets *section_offsets = nullptr;
- int num_sections = 0;
+ ::section_offsets section_offsets;
/* Indexes in the section_offsets array. These are initialized by the
*_symfile_offsets() family of functions (som_symfile_offsets,
Very few blocks have a static link, so it's more memory efficient to
store these here rather than in struct block. Static links must be
allocated on the objfile's obstack. */
- htab_t static_links {};
+ htab_up static_links;
+
+ /* JIT-related data for this objfile, if the objfile is a JITer;
+ that is, it produces JITed objfiles. */
+ std::unique_ptr<jiter_objfile_data> jiter_data = nullptr;
+
+ /* JIT-related data for this objfile, if the objfile is JITed;
+ that is, it was produced by a JITer. */
+ std::unique_ptr<jited_objfile_data> jited_data = nullptr;
+
+ /* A flag that is set to true if the JIT interface symbols are not
+ found in this objfile, so that we can skip the symbol lookup the
+ next time. If an objfile does not have the symbols, it will
+ never have them. */
+ bool skip_jit_symbol_lookup = false;
};
-/* Declarations for functions defined in objfiles.c */
+/* A deleter for objfile. */
-extern struct gdbarch *get_objfile_arch (const struct objfile *);
+struct objfile_deleter
+{
+ void operator() (objfile *ptr) const
+ {
+ ptr->unlink ();
+ }
+};
-extern int entry_point_address_query (CORE_ADDR *entry_p);
+/* A unique pointer that holds an objfile. */
-extern CORE_ADDR entry_point_address (void);
+typedef std::unique_ptr<objfile, objfile_deleter> objfile_up;
-extern void build_objfile_section_table (struct objfile *);
-extern struct objfile *objfile_separate_debug_iterate (const struct objfile *,
- const struct objfile *);
+/* Sections in an objfile. The section offsets are stored in the
+ OBJFILE. */
-extern void put_objfile_before (struct objfile *, struct objfile *);
+struct obj_section
+{
+ /* Relocation offset applied to the section. */
+ CORE_ADDR offset () const
+ {
+ return this->objfile->section_offset (this->the_bfd_section);
+ }
-extern void add_separate_debug_objfile (struct objfile *, struct objfile *);
+ /* Set the relocation offset applied to the section. */
+ void set_offset (CORE_ADDR offset)
+ {
+ this->objfile->set_section_offset (this->the_bfd_section, offset);
+ }
-extern void unlink_objfile (struct objfile *);
+ /* The memory address of the section (vma + offset). */
+ CORE_ADDR addr () const
+ {
+ return bfd_section_vma (this->the_bfd_section) + this->offset ();
+ }
-extern void free_objfile_separate_debug (struct objfile *);
+ /* The one-passed-the-end memory address of the section
+ (vma + size + offset). */
+ CORE_ADDR endaddr () const
+ {
+ return this->addr () + bfd_section_size (this->the_bfd_section);
+ }
-extern void free_all_objfiles (void);
+ /* BFD section pointer */
+ struct bfd_section *the_bfd_section;
-extern void objfile_relocate (struct objfile *, const struct section_offsets *);
-extern void objfile_rebase (struct objfile *, CORE_ADDR);
+ /* Objfile this section is part of. */
+ struct objfile *objfile;
-extern int objfile_has_partial_symbols (struct objfile *objfile);
+ /* True if this "overlay section" is mapped into an "overlay region". */
+ int ovly_mapped;
+};
+
+/* Declarations for functions defined in objfiles.c */
+
+extern int entry_point_address_query (CORE_ADDR *entry_p);
+
+extern CORE_ADDR entry_point_address (void);
+
+extern void build_objfile_section_table (struct objfile *);
+
+extern void free_objfile_separate_debug (struct objfile *);
+
+extern void objfile_relocate (struct objfile *, const section_offsets &);
+extern void objfile_rebase (struct objfile *, CORE_ADDR);
extern int objfile_has_full_symbols (struct objfile *objfile);
extern void objfiles_changed (void);
-extern int is_addr_in_objfile (CORE_ADDR addr, const struct objfile *objfile);
+/* Return true if ADDR maps into one of the sections of OBJFILE and false
+ otherwise. */
+
+extern bool is_addr_in_objfile (CORE_ADDR addr, const struct objfile *objfile);
/* Return true if ADDRESS maps into one of the sections of a
OBJF_SHARED objfile of PSPACE and false otherwise. */
-extern int shared_objfile_contains_address_p (struct program_space *pspace,
- CORE_ADDR address);
+extern bool shared_objfile_contains_address_p (struct program_space *pspace,
+ CORE_ADDR address);
/* This operation deletes all objfile entries that represent solibs that
weren't explicitly loaded by the user, via e.g., the add-symbol-file
static inline int
in_plt_section (CORE_ADDR pc)
{
- return pc_in_section (pc, ".plt");
+ return (pc_in_section (pc, ".plt")
+ || pc_in_section (pc, ".plt.sec"));
}
/* Keep a registry of per-objfile data-pointers required by other GDB
(struct gdbarch *gdbarch,
iterate_over_objfiles_in_search_order_cb_ftype *cb,
void *cb_data, struct objfile *current_objfile);
-\f
-
-/* An iterarable object that can be used to iterate over all
- objfiles. The basic use is in a foreach, like:
-
- for (objfile *objf : all_objfiles_safe (pspace)) { ... }
-
- This variant uses a basic_safe_iterator so that objfiles can be
- deleted during iteration. */
-
-class all_objfiles_safe
- : public next_adapter<struct objfile,
- basic_safe_iterator<next_iterator<objfile>>>
-{
-public:
-
- explicit all_objfiles_safe (struct program_space *pspace)
- : next_adapter<struct objfile,
- basic_safe_iterator<next_iterator<objfile>>>
- (pspace->objfiles_head)
- {
- }
-};
-
-/* A range adapter that makes it possible to iterate over all
- compunits in one objfile. */
-
-class objfile_compunits : public next_adapter<struct compunit_symtab>
-{
-public:
-
- explicit objfile_compunits (struct objfile *objfile)
- : next_adapter<struct compunit_symtab> (objfile->compunit_symtabs)
- {
- }
-};
-
-/* A range adapter that makes it possible to iterate over all
- minimal symbols of an objfile. */
-
-class objfile_msymbols
-{
-public:
-
- explicit objfile_msymbols (struct objfile *objfile)
- : m_objfile (objfile)
- {
- }
-
- struct iterator
- {
- typedef iterator self_type;
- typedef struct minimal_symbol *value_type;
- typedef struct minimal_symbol *&reference;
- typedef struct minimal_symbol **pointer;
- typedef std::forward_iterator_tag iterator_category;
- typedef int difference_type;
-
- explicit iterator (struct objfile *objfile)
- : m_msym (objfile->per_bfd->msymbols)
- {
- /* Make sure to properly handle the case where there are no
- minsyms. */
- if (MSYMBOL_LINKAGE_NAME (m_msym) == nullptr)
- m_msym = nullptr;
- }
-
- iterator ()
- : m_msym (nullptr)
- {
- }
-
- value_type operator* () const
- {
- return m_msym;
- }
-
- bool operator== (const self_type &other) const
- {
- return m_msym == other.m_msym;
- }
-
- bool operator!= (const self_type &other) const
- {
- return m_msym != other.m_msym;
- }
-
- self_type &operator++ ()
- {
- if (m_msym != nullptr)
- {
- ++m_msym;
- if (MSYMBOL_LINKAGE_NAME (m_msym) == nullptr)
- m_msym = nullptr;
- }
- return *this;
- }
-
- private:
- struct minimal_symbol *m_msym;
- };
-
- iterator begin () const
- {
- return iterator (m_objfile);
- }
-
- iterator end () const
- {
- return iterator ();
- }
-
-private:
-
- struct objfile *m_objfile;
-};
-
-/* A range adapter that makes it possible to iterate over all
- psymtabs in one objfile. */
-
-class objfile_psymtabs : public next_adapter<struct partial_symtab>
-{
-public:
-
- explicit objfile_psymtabs (struct objfile *objfile)
- : next_adapter<struct partial_symtab> (objfile->partial_symtabs->psymtabs)
- {
- }
-};
-
-#define ALL_OBJFILE_OSECTIONS(objfile, osect) \
- for (osect = objfile->sections; osect < objfile->sections_end; osect++) \
- if (osect->the_bfd_section == NULL) \
- { \
- /* Nothing. */ \
- } \
- else
-
-#define SECT_OFF_DATA(objfile) \
- ((objfile->sect_index_data == -1) \
- ? (internal_error (__FILE__, __LINE__, \
- _("sect_index_data not initialized")), -1) \
- : objfile->sect_index_data)
-
-#define SECT_OFF_RODATA(objfile) \
- ((objfile->sect_index_rodata == -1) \
- ? (internal_error (__FILE__, __LINE__, \
- _("sect_index_rodata not initialized")), -1) \
- : objfile->sect_index_rodata)
-
-#define SECT_OFF_TEXT(objfile) \
- ((objfile->sect_index_text == -1) \
- ? (internal_error (__FILE__, __LINE__, \
- _("sect_index_text not initialized")), -1) \
- : objfile->sect_index_text)
-
-/* Sometimes the .bss section is missing from the objfile, so we don't
- want to die here. Let the users of SECT_OFF_BSS deal with an
- uninitialized section index. */
-#define SECT_OFF_BSS(objfile) (objfile)->sect_index_bss
-
-/* Answer whether there is more than one object file loaded. */
-
-#define MULTI_OBJFILE_P() (object_files && object_files->next)
/* Reset the per-BFD storage area on OBJ. */
extern void set_objfile_main_name (struct objfile *objfile,
const char *name, enum language lang);
+/* Find an integer type SIZE_IN_BYTES bytes in size from OF and return it.
+ UNSIGNED_P controls if the integer is unsigned or not. */
+extern struct type *objfile_int_type (struct objfile *of, int size_in_bytes,
+ bool unsigned_p);
+
extern void objfile_register_static_link
(struct objfile *objfile,
const struct block *block,
projects / binutils-gdb.git / blobdiff