/* Definitions for reading symbol files into GDB.
- Copyright (C) 1990-2004, 2007-2012 Free Software Foundation, Inc.
+ Copyright (C) 1990-2021 Free Software Foundation, Inc.
This file is part of GDB.
/* This file requires that you first include "bfd.h". */
#include "symtab.h"
-#include "gdb_vecs.h"
+#include "probe.h"
+#include "symfile-add-flags.h"
+#include "objfile-flags.h"
+#include "gdb_bfd.h"
+#include "gdbsupport/function-view.h"
+#include "target-section.h"
/* Opaque declarations. */
struct target_section;
struct obj_section;
struct obstack;
struct block;
-struct probe;
struct value;
struct frame_info;
struct agent_expr;
struct axs_value;
+class probe;
/* Comparison function for symbol look ups. */
typedef int (symbol_compare_ftype) (const char *string1,
const char *string2);
-/* Partial symbols are stored in the psymbol_cache and pointers to
- them are kept in a dynamically grown array that is obtained from
- malloc and grown as necessary via realloc. Each objfile typically
- has two of these, one for global symbols and one for static
- symbols. Although this adds a level of indirection for storing or
- accessing the partial symbols, it allows us to throw away duplicate
- psymbols and set all pointers to the single saved instance. */
-
-struct psymbol_allocation_list
+struct other_sections
{
+ other_sections (CORE_ADDR addr_, std::string &&name_, int sectindex_)
+ : addr (addr_),
+ name (std::move (name_)),
+ sectindex (sectindex_)
+ {
+ }
- /* Pointer to beginning of dynamically allocated array of pointers
- to partial symbols. The array is dynamically expanded as
- necessary to accommodate more pointers. */
-
- struct partial_symbol **list;
-
- /* Pointer to next available slot in which to store a pointer to a
- partial symbol. */
+ other_sections (other_sections &&other) = default;
- struct partial_symbol **next;
+ DISABLE_COPY_AND_ASSIGN (other_sections);
- /* Number of allocated pointer slots in current dynamic array (not
- the number of bytes of storage). The "next" pointer will always
- point somewhere between list[0] and list[size], and when at
- list[size] the array will be expanded on the next attempt to
- store a pointer. */
+ CORE_ADDR addr;
+ std::string name;
- int size;
+ /* SECTINDEX must be valid for associated BFD or set to -1.
+ See syms_from_objfile_1 for an exception to this rule.
+ */
+ int sectindex;
};
/* Define an array of addresses to accommodate non-contiguous dynamic
to communicate the section addresses in shared objects to
symbol_file_add (). */
-struct section_addr_info
-{
- /* The number of sections for which address information is
- available. */
- size_t num_sections;
- /* Sections whose names are file format dependent. */
- struct other_sections
- {
- CORE_ADDR addr;
- char *name;
-
- /* SECTINDEX must be valid for associated BFD or set to -1. */
- int sectindex;
- } other[1];
-};
-
+typedef std::vector<other_sections> section_addr_info;
/* A table listing the load segments in a symfile, and which segment
each BFD section belongs to. */
struct symfile_segment_data
{
- /* How many segments are present in this file. If there are
- two, the text segment is the first one and the data segment
- is the second one. */
- int num_segments;
+ struct segment
+ {
+ segment (CORE_ADDR base, CORE_ADDR size)
+ : base (base), size (size)
+ {}
+
+ /* The original base address the segment. */
+ CORE_ADDR base;
- /* If NUM_SEGMENTS is greater than zero, the original base address
- of each segment. */
- CORE_ADDR *segment_bases;
+ /* The memory size of the segment. */
+ CORE_ADDR size;
+ };
- /* If NUM_SEGMENTS is greater than zero, the memory size of each
- segment. */
- CORE_ADDR *segment_sizes;
+ /* The segments present in this file. If there are
+ two, the text segment is the first one and the data segment
+ is the second one. */
+ std::vector<segment> segments;
- /* If NUM_SEGMENTS is greater than zero, this is an array of entries
- recording which segment contains each BFD section.
- SEGMENT_INFO[I] is S+1 if the I'th BFD section belongs to segment
+ /* This is an array of entries recording which segment contains each BFD
+ section. SEGMENT_INFO[I] is S+1 if the I'th BFD section belongs to segment
S, or zero if it is not in any segment. */
- int *segment_info;
+ std::vector<int> segment_info;
};
+using symfile_segment_data_up = std::unique_ptr<symfile_segment_data>;
+
/* Callback for quick_symbol_functions->map_symbol_filenames. */
typedef void (symbol_filename_ftype) (const char *filename,
const char *fullname, void *data);
+/* Callback for quick_symbol_functions->expand_symtabs_matching
+ to match a file name. */
+
+typedef bool (expand_symtabs_file_matcher_ftype) (const char *filename,
+ bool basenames);
+
+/* Callback for quick_symbol_functions->expand_symtabs_matching
+ to match a symbol name. */
+
+typedef bool (expand_symtabs_symbol_matcher_ftype) (const char *name);
+
+/* Callback for quick_symbol_functions->expand_symtabs_matching
+ to be called after a symtab has been expanded. */
+
+typedef void (expand_symtabs_exp_notify_ftype) (compunit_symtab *symtab);
+
/* The "quick" symbol functions exist so that symbol readers can
avoiding an initial read of all the symbols. For example, symbol
readers might choose to use the "partial symbol table" utilities,
/* 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. FULL_PATH is the absolute file
- name, and REAL_PATH is the same, run through gdb_realpath.
+ 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 and DATA to it.
+ all newly-created symbol tables, passing CALLBACK to it.
The result of this call is returned. */
- int (*map_symtabs_matching_filename) (struct objfile *objfile,
- const char *name,
- const char *full_path,
- const char *real_path,
- int (*callback) (struct symtab *,
- void *),
- void *data);
+ bool (*map_symtabs_matching_filename)
+ (struct objfile *objfile, 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 OBJFILE. KIND should be either GLOBAL_BLOCK or STATIC_BLOCK,
+ of 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 symbol table in which the symbol is
+ 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) (struct objfile *objfile,
+ block_enum block_index,
+ const char *name,
+ domain_enum domain);
+
+ /* Check to see if the global symbol is defined in a "partial" symbol table
+ of OBJFILE. NAME is the name of the symbol to look for. DOMAIN
+ indicates what sort of symbol to search for.
+
+ If found, sets *symbol_found_p to true and returns the symbol language.
defined, or NULL if no such symbol table exists. */
- struct symtab *(*lookup_symbol) (struct objfile *objfile,
- int kind, const char *name,
- domain_enum domain);
-
- /* This is called to expand symbol tables before looking up a
- symbol. A backend can choose to implement this and then have its
- `lookup_symbol' hook always return NULL, or the reverse. (It
- doesn't make sense to implement both.) The arguments are as for
- `lookup_symbol'. */
- void (*pre_expand_symtabs_matching) (struct objfile *objfile,
- enum block_enum block_kind,
- const char *name,
- domain_enum domain);
+ enum language (*lookup_global_symbol_language) (struct objfile *objfile,
+ const char *name,
+ domain_enum domain,
+ bool *symbol_found_p);
/* Print statistics about any indices loaded for OBJFILE. The
statistics should be printed to gdb_stdout. This is used for
gdb_stdout. This is used for "maint print objfiles". */
void (*dump) (struct objfile *objfile);
- /* This is called by objfile_relocate to relocate any indices loaded
- for OBJFILE. */
- void (*relocate) (struct objfile *objfile,
- struct section_offsets *new_offsets,
- struct section_offsets *delta);
-
/* Find all the symbols in OBJFILE named FUNC_NAME, and ensure that
the corresponding symbol tables are loaded. */
void (*expand_symtabs_for_function) (struct objfile *objfile,
/* Read all symbol tables associated with OBJFILE. */
void (*expand_all_symtabs) (struct objfile *objfile);
- /* Read all symbol tables associated with OBJFILE which have the
- file name FILENAME.
+ /* 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_filename) (struct objfile *objfile,
- const char *filename);
-
- /* Return the file name of the file holding the global symbol in OBJFILE
- named NAME. If no such symbol exists in OBJFILE, return NULL. */
- const char *(*find_symbol_file) (struct objfile *objfile, const char *name);
+ void (*expand_symtabs_with_fullname) (struct objfile *objfile,
+ const char *fullname);
- /* Find global or static symbols in all tables that are in NAMESPACE
+ /* Find global or static symbols in all tables that are in DOMAIN
and for which MATCH (symbol name, NAME) == 0, passing each to
CALLBACK, reading in partial symbol tables as needed. Look
through global symbols if GLOBAL and otherwise static symbols.
- Passes NAME, NAMESPACE, and DATA to CALLBACK with each symbol
+ Passes NAME and NAMESPACE to CALLBACK with each symbol
found. After each block is processed, passes NULL to CALLBACK.
MATCH must be weaker than strcmp_iw_ordered in the sense that
strcmp_iw_ordered(x,y) == 0 --> MATCH(x,y) == 0. ORDERED_COMPARE,
if non-null, must be an ordering relation compatible with
strcmp_iw_ordered in the sense that
- strcmp_iw_ordered(x,y) == 0 --> ORDERED_COMPARE(x,y) == 0
+ strcmp_iw_ordered(x,y) == 0 --> ORDERED_COMPARE(x,y) == 0
and
- strcmp_iw_ordered(x,y) <= 0 --> ORDERED_COMPARE(x,y) <= 0
+ strcmp_iw_ordered(x,y) <= 0 --> ORDERED_COMPARE(x,y) <= 0
(allowing strcmp_iw_ordered(x,y) < 0 while ORDERED_COMPARE(x, y) == 0).
- CALLBACK returns 0 to indicate that the scan should continue, or
- non-zero to indicate that the scan should be terminated. */
+ CALLBACK returns true to indicate that the scan should continue, or
+ false to indicate that the scan should be terminated. */
- void (*map_matching_symbols) (const char *name, domain_enum namespace,
- struct objfile *, int global,
- int (*callback) (struct block *,
- struct symbol *, void *),
- void *data,
- symbol_compare_ftype *match,
- symbol_compare_ftype *ordered_compare);
+ void (*map_matching_symbols)
+ (struct objfile *,
+ const lookup_name_info &lookup_name,
+ domain_enum domain,
+ int global,
+ gdb::function_view<symbol_found_callback_ftype> callback,
+ symbol_compare_ftype *ordered_compare);
/* Expand all symbol tables in OBJFILE matching some criteria.
FILE_MATCHER is called for each file in OBJFILE. The file name
- and the DATA argument are passed to it. If it returns zero, this
- file is skipped. If FILE_MATCHER is NULL such file is not skipped.
+ is passed to it. If the matcher returns false, the file is
+ skipped. If FILE_MATCHER is NULL the file is not skipped. If
+ BASENAMES is true the matcher should consider only file base
+ names (the passed file name is already only the lbasename'd
+ part).
- Otherwise, if KIND does not match this symbol is skipped.
+ If the file is not skipped, and SYMBOL_MATCHER and LOOKUP_NAME are NULL,
+ the symbol table is expanded.
- If even KIND matches, then NAME_MATCHER is called for each symbol
- defined in the file. The symbol "search" name and DATA are passed
- to NAME_MATCHER.
+ Otherwise, individual symbols are considered.
- If NAME_MATCHER returns zero, then this symbol is skipped.
+ If KIND does not match, the symbol is skipped.
- Otherwise, this symbol's symbol table is expanded.
+ If the symbol name does not match LOOKUP_NAME, the symbol is skipped.
- DATA is user data that is passed unmodified to the callback
- functions. */
+ If SYMBOL_MATCHER returns false, then the symbol is skipped.
+
+ Otherwise, the symbol's symbol table is expanded. */
void (*expand_symtabs_matching)
(struct objfile *objfile,
- int (*file_matcher) (const char *, void *),
- int (*name_matcher) (const char *, void *),
- enum search_domain kind,
- void *data);
-
- /* Return the symbol table from OBJFILE that contains PC and
- SECTION. Return NULL if there is no such symbol table. This
- should return the symbol table that contains a symbol whose
+ 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,
+ enum search_domain kind);
+
+ /* Return the comp unit from OBJFILE that contains PC and
+ SECTION. Return NULL if there is no such compunit. This
+ should return the compunit that contains a symbol whose
address exactly matches PC, or, if there is no exact match, the
- symbol table that contains a symbol whose address is closest to
+ compunit that contains a symbol whose address is closest to
PC. */
- struct symtab *(*find_pc_sect_symtab) (struct objfile *objfile,
- struct minimal_symbol *msymbol,
- CORE_ADDR pc,
- struct obj_section *section,
- int warn_if_readin);
+ struct compunit_symtab *(*find_pc_sect_compunit_symtab)
+ (struct objfile *objfile, struct bound_minimal_symbol msymbol,
+ CORE_ADDR pc, struct obj_section *section, int warn_if_readin);
+
+ /* Return the comp unit from OBJFILE that contains a symbol at
+ ADDRESS. Return NULL if there is no such comp unit. Unlike
+ find_pc_sect_compunit_symtab, any sort of symbol (not just text
+ symbols) can be considered, and only exact address matches are
+ considered. This pointer may be NULL. */
+ struct compunit_symtab *(*find_compunit_symtab_by_address)
+ (struct objfile *objfile, CORE_ADDR address);
/* Call a callback for every file defined in OBJFILE whose symtab is
not already read in. FUN is the callback. It is passed the file's
struct sym_probe_fns
{
- /* If non-NULL, return an array of probe objects.
-
- The returned value does not have to be freed and it has lifetime of the
- OBJFILE. */
- VEC (probe_p) *(*sym_get_probes) (struct objfile *);
-
- /* Return the number of arguments available to PROBE. PROBE will
- have come from a call to this objfile's sym_get_probes method.
- If you provide an implementation of sym_get_probes, you must
- implement this method as well. */
- unsigned (*sym_get_probe_argument_count) (struct objfile *objfile,
- struct probe *probe);
-
- /* Evaluate the Nth argument available to PROBE. PROBE will have
- come from a call to this objfile's sym_get_probes method. N will
- be between 0 and the number of arguments available to this probe.
- FRAME is the frame in which the evaluation is done; the frame's
- PC will match the address of the probe. If you provide an
- implementation of sym_get_probes, you must implement this method
- as well. */
- struct value *(*sym_evaluate_probe_argument) (struct objfile *objfile,
- struct probe *probe,
- unsigned n);
-
- /* Compile the Nth probe argument to an agent expression. PROBE
- will have come from a call to this objfile's sym_get_probes
- method. N will be between 0 and the number of arguments
- available to this probe. EXPR and VALUE are the agent expression
- that is being updated. */
- void (*sym_compile_to_ax) (struct objfile *objfile,
- struct probe *probe,
- struct agent_expr *expr,
- struct axs_value *value,
- unsigned n);
-
- /* Relocate the probe section of OBJFILE. */
- void (*sym_relocate_probe) (struct objfile *objfile,
- struct section_offsets *new_offsets,
- struct section_offsets *delta);
+ /* If non-NULL, return a reference to vector of probe objects. */
+ const std::vector<std::unique_ptr<probe>> &(*sym_get_probes)
+ (struct objfile *);
};
/* Structure to keep track of symbol reading functions for various
struct sym_fns
{
-
- /* BFD flavour that we handle, or (as a special kludge, see
- xcoffread.c, (enum bfd_flavour)-1 for xcoff). */
-
- enum bfd_flavour sym_flavour;
-
/* Initializes anything that is global to the entire symbol table.
It is called during symbol_file_add, when we begin debugging an
entirely new program. */
file we are reading. SYMFILE_FLAGS are the flags passed to
symbol_file_add & co. */
- void (*sym_read) (struct objfile *, int);
+ void (*sym_read) (struct objfile *, symfile_add_flags);
/* Read the partial symbols for an objfile. This may be NULL, in which case
gdb has to check other ways if this objfile has any symbols. This may
void (*sym_finish) (struct objfile *);
+
/* This function produces a file-dependent section_offsets
- structure, allocated in the objfile's storage, and based on the
- parameter. The parameter is currently a CORE_ADDR (FIXME!) for
- backward compatibility with the higher levels of GDB. It should
- probably be changed to a string, where NULL means the default,
- and others are parsed in a file dependent way. */
+ structure, allocated in the objfile's storage.
+
+ The section_addr_info structure contains the offset of loadable and
+ allocated sections, relative to the absolute offsets found in the BFD. */
- void (*sym_offsets) (struct objfile *, struct section_addr_info *);
+ void (*sym_offsets) (struct objfile *, const section_addr_info &);
/* This function produces a format-independent description of
the segments of ABFD. Each segment is a unit of the file
which may be relocated independently. */
- struct symfile_segment_data *(*sym_segments) (bfd *abfd);
+ symfile_segment_data_up (*sym_segments) (bfd *abfd);
/* This function should read the linetable from the objfile when
the line table cannot be read while processing the debugging
information. */
- void (*sym_read_linetable) (void);
+ void (*sym_read_linetable) (struct objfile *);
/* Relocate the contents of a debug section SECTP. The
contents are stored in BUF if it is non-NULL, or returned in a
const struct quick_symbol_functions *qf;
};
-extern struct section_addr_info *
+extern section_addr_info
build_section_addr_info_from_objfile (const struct objfile *objfile);
extern void relative_addr_info_to_section_offsets
- (struct section_offsets *section_offsets, int num_sections,
- struct section_addr_info *addrs);
+ (section_offsets §ion_offsets, const section_addr_info &addrs);
-extern void addr_info_make_relative (struct section_addr_info *addrs,
+extern void addr_info_make_relative (section_addr_info *addrs,
bfd *abfd);
/* The default version of sym_fns.sym_offsets for readers that don't
do anything special. */
extern void default_symfile_offsets (struct objfile *objfile,
- struct section_addr_info *);
+ const section_addr_info &);
/* The default version of sym_fns.sym_segments for readers that don't
do anything special. */
-extern struct symfile_segment_data *default_symfile_segments (bfd *abfd);
+extern symfile_segment_data_up default_symfile_segments (bfd *abfd);
/* The default version of sym_fns.sym_relocate for readers that don't
do anything special. */
extern bfd_byte *default_symfile_relocate (struct objfile *objfile,
- asection *sectp, bfd_byte *buf);
-
-extern struct symtab *allocate_symtab (const char *, struct objfile *);
-
-extern void add_symtab_fns (const struct sym_fns *);
-
-/* This enum encodes bit-flags passed as ADD_FLAGS parameter to
- syms_from_objfile, symbol_file_add, etc. */
-
-enum symfile_add_flags
- {
- /* Be chatty about what you are doing. */
- SYMFILE_VERBOSE = 1 << 1,
+ asection *sectp, bfd_byte *buf);
- /* This is the main symbol file (as opposed to symbol file for dynamically
- loaded code). */
- SYMFILE_MAINLINE = 1 << 2,
+extern struct symtab *allocate_symtab (struct compunit_symtab *, const char *)
+ ATTRIBUTE_NONNULL (1);
- /* Do not call breakpoint_re_set when adding this symbol file. */
- SYMFILE_DEFER_BP_RESET = 1 << 3,
+extern struct compunit_symtab *allocate_compunit_symtab (struct objfile *,
+ const char *)
+ ATTRIBUTE_NONNULL (1);
- /* Do not immediately read symbols for this file. By default,
- symbols are read when the objfile is created. */
- SYMFILE_NO_READ = 1 << 4
- };
+extern void add_compunit_symtab_to_objfile (struct compunit_symtab *cu);
-extern void syms_from_objfile (struct objfile *,
- struct section_addr_info *,
- struct section_offsets *, int, int);
+extern void add_symtab_fns (enum bfd_flavour flavour, const struct sym_fns *);
-extern void new_symfile_objfile (struct objfile *, int);
+extern void clear_symtab_users (symfile_add_flags add_flags);
-extern struct objfile *symbol_file_add (char *, int,
- struct section_addr_info *, int);
+extern enum language deduce_language_from_filename (const char *);
-extern struct objfile *symbol_file_add_from_bfd (bfd *, int,
- struct section_addr_info *,
- int, struct objfile *parent);
+/* Map the filename extension EXT to the language LANG. Any previous
+ association of EXT will be removed. EXT will be copied by this
+ function. */
+extern void add_filename_language (const char *ext, enum language lang);
-extern void symbol_file_add_separate (bfd *, int, struct objfile *);
+extern struct objfile *symbol_file_add (const char *, symfile_add_flags,
+ section_addr_info *, objfile_flags);
-extern char *find_separate_debug_file_by_debuglink (struct objfile *);
+extern struct objfile *symbol_file_add_from_bfd (bfd *, const char *, symfile_add_flags,
+ section_addr_info *,
+ objfile_flags, struct objfile *parent);
-/* Create a new section_addr_info, with room for NUM_SECTIONS. */
+extern void symbol_file_add_separate (bfd *, const char *, symfile_add_flags,
+ struct objfile *);
-extern struct section_addr_info *alloc_section_addr_info (size_t
- num_sections);
+extern std::string find_separate_debug_file_by_debuglink (struct objfile *);
/* Build (allocate and populate) a section_addr_info struct from an
existing section table. */
-extern struct section_addr_info
- *build_section_addr_info_from_section_table (const struct target_section
- *start,
- const struct target_section
- *end);
-
-/* Free all memory allocated by
- build_section_addr_info_from_section_table. */
-
-extern void free_section_addr_info (struct section_addr_info *);
-
-
-/* Make a copy of the string at PTR with SIZE characters in the symbol
- obstack (and add a null character at the end in the copy). Returns
- the address of the copy. */
-
-extern char *obsavestring (const char *, int, struct obstack *);
-
-/* Concatenate NULL terminated variable argument list of `const char
- *' strings; return the new string. Space is found in the OBSTACKP.
- Argument list must be terminated by a sentinel expression `(char *)
- NULL'. */
-
-extern char *obconcat (struct obstack *obstackp, ...) ATTRIBUTE_SENTINEL;
+extern section_addr_info
+ build_section_addr_info_from_section_table (const target_section_table &table);
/* Variables */
-/* If non-zero, shared library symbols will be added automatically
+/* If true, shared library symbols will be added automatically
when the inferior is created, new libraries are loaded, or when
attaching to the inferior. This is almost always what users will
want to have happen; but for very large programs, the startup time
library symbols are not loaded, commands like "info fun" will *not*
report all the functions that are actually present. */
-extern int auto_solib_add;
+extern bool auto_solib_add;
/* From symfile.c */
extern void set_initial_language (void);
-extern void find_lowest_section (bfd *, asection *, void *);
-
-extern bfd *symfile_bfd_open (char *);
+extern gdb_bfd_ref_ptr symfile_bfd_open (const char *);
-extern bfd *bfd_open_maybe_remote (const char *);
+extern int get_section_index (struct objfile *, const char *);
-extern int get_section_index (struct objfile *, char *);
+extern int print_symbol_loading_p (int from_tty, int mainline, int full);
/* Utility functions for overlay sections: */
extern enum overlay_debugging_state
extern CORE_ADDR symbol_overlayed_address (CORE_ADDR, struct obj_section *);
/* Load symbols from a file. */
-extern void symbol_file_add_main (char *args, int from_tty);
+extern void symbol_file_add_main (const char *args,
+ symfile_add_flags add_flags);
/* Clear GDB symbol tables. */
extern void symbol_file_clear (int from_tty);
bfd_byte *);
extern int symfile_map_offsets_to_segments (bfd *,
- struct symfile_segment_data *,
- struct section_offsets *,
+ const struct symfile_segment_data *,
+ section_offsets &,
int, const CORE_ADDR *);
-struct symfile_segment_data *get_symfile_segment_data (bfd *abfd);
-void free_symfile_segment_data (struct symfile_segment_data *data);
+symfile_segment_data_up get_symfile_segment_data (bfd *abfd);
+
+extern scoped_restore_tmpl<int> increment_reading_symtab (void);
+
+void 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,
+ enum search_domain kind);
-extern struct cleanup *increment_reading_symtab (void);
+void map_symbol_filenames (symbol_filename_ftype *fun, void *data,
+ int need_fullname);
+
+/* Target-agnostic function to load the sections of an executable into memory.
+
+ ARGS should be in the form "EXECUTABLE [OFFSET]", where OFFSET is an
+ optional offset to apply to each section. */
+extern void generic_load (const char *args, int from_tty);
/* From dwarf2read.c */
struct dwarf2_section_names abbrev;
struct dwarf2_section_names line;
struct dwarf2_section_names loc;
+ struct dwarf2_section_names loclists;
struct dwarf2_section_names macinfo;
struct dwarf2_section_names macro;
struct dwarf2_section_names str;
+ struct dwarf2_section_names str_offsets;
+ struct dwarf2_section_names line_str;
struct dwarf2_section_names ranges;
+ struct dwarf2_section_names rnglists;
struct dwarf2_section_names types;
+ struct dwarf2_section_names addr;
struct dwarf2_section_names frame;
struct dwarf2_section_names eh_frame;
struct dwarf2_section_names gdb_index;
+ struct dwarf2_section_names debug_names;
+ struct dwarf2_section_names debug_aranges;
/* This field has no meaning, but exists solely to catch changes to
this structure which are not reflected in some instance. */
int sentinel;
};
extern int dwarf2_has_info (struct objfile *,
- const struct dwarf2_debug_sections *);
+ const struct dwarf2_debug_sections *,
+ bool = false);
/* Dwarf2 sections that can be accessed by dwarf2_get_section_info. */
enum dwarf2_section_enum {
};
extern void dwarf2_get_section_info (struct objfile *,
- enum dwarf2_section_enum,
- asection **, gdb_byte **,
+ enum dwarf2_section_enum,
+ asection **, const gdb_byte **,
bfd_size_type *);
-extern int dwarf2_initialize_objfile (struct objfile *);
-extern void dwarf2_build_psymtabs (struct objfile *);
-extern void dwarf2_build_frame_info (struct objfile *);
+/* A DWARF names index variant. */
+enum class dw_index_kind
+{
+ /* GDB's own .gdb_index format. */
+ GDB_INDEX,
-void dwarf2_free_objfile (struct objfile *);
+ /* DWARF5 .debug_names. */
+ DEBUG_NAMES,
+};
-/* Whether to use deprecated .gdb_index sections. */
-extern int use_deprecated_index_sections;
+/* Initialize for reading DWARF for OBJFILE. Return false if this
+ file will use psymtabs, or true if using an index, in which case
+ *INDEX_KIND is set to the index variant in use. */
+extern bool dwarf2_initialize_objfile (struct objfile *objfile,
+ dw_index_kind *index_kind);
-/* From mdebugread.c */
+extern void dwarf2_build_psymtabs (struct objfile *);
+extern void dwarf2_build_frame_info (struct objfile *);
-/* Hack to force structures to exist before use in parameter list. */
-struct ecoff_debug_hack
-{
- struct ecoff_debug_swap *a;
- struct ecoff_debug_info *b;
-};
+/* From minidebug.c. */
+
+extern gdb_bfd_ref_ptr find_separate_debug_file_in_section (struct objfile *);
-extern void mdebug_build_psymtabs (struct objfile *,
- const struct ecoff_debug_swap *,
- struct ecoff_debug_info *);
+/* True if we are printing debug output about separate debug info files. */
-extern void elfmdebug_build_psymtabs (struct objfile *,
- const struct ecoff_debug_swap *,
- asection *);
+extern bool separate_debug_file_debug;
#endif /* !defined(SYMFILE_H) */
projects / thirdparty / binutils-gdb.git / blobdiff