/* Definitions for reading symbol files into GDB.
- Copyright (C) 1990-2013 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 "probe.h"
+#include "symfile-add-flags.h"
+#include "objfile-flags.h"
+#include "gdb_bfd.h"
+#include "gdbsupport/function-view.h"
+#include "target-section.h"
+#include "quick-symbol.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;
};
-/* Callback for quick_symbol_functions->map_symbol_filenames. */
-
-typedef void (symbol_filename_ftype) (const char *filename,
- const char *fullname, void *data);
-
-/* 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,
- which is one implementation of the quick symbol functions.
-
- The quick symbol functions are generally opaque: the underlying
- representation is hidden from the caller.
-
- In general, these functions should only look at whatever special
- index the symbol reader creates -- looking through the symbol
- tables themselves is handled by generic code. If a function is
- defined as returning a "symbol table", this means that the function
- should only return a newly-created symbol table; it should not
- examine pre-existing ones.
-
- The exact list of functions here was determined in an ad hoc way
- based on gdb's history. */
-
-struct quick_symbol_functions
-{
- /* Return true if this objfile has any "partial" symbols
- available. */
- int (*has_symbols) (struct objfile *objfile);
-
- /* Return the symbol table for the "last" file appearing in
- OBJFILE. */
- struct symtab *(*find_last_source_symtab) (struct objfile *objfile);
-
- /* Forget all cached full file names for OBJFILE. */
- void (*forget_cached_source_info) (struct objfile *objfile);
-
- /* 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 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.
- 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);
-
- /* Check to see if the symbol is defined in a "partial" symbol table
- of OBJFILE. KIND 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
- defined, or NULL if no such symbol table exists. If OBJFILE
- contains !TYPE_OPAQUE symbol prefer its symtab. If it contains
- only TYPE_OPAQUE symbol(s), return at least that symtab. */
- 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);
-
- /* Print statistics about any indices loaded for OBJFILE. The
- statistics should be printed to gdb_stdout. This is used for
- "maint print statistics". */
- void (*print_stats) (struct objfile *objfile);
-
- /* Dump any indices loaded for OBJFILE. The dump should go to
- 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,
- const char *func_name);
-
- /* 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.
- 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);
-
- /* Find global or static symbols in all tables that are in NAMESPACE
- 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
- 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
- and
- 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. */
-
- 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);
-
- /* 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.
-
- Otherwise, if KIND does not match this symbol is skipped.
-
- 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.
-
- If NAME_MATCHER returns zero, then this symbol is skipped.
-
- Otherwise, this symbol's symbol table is expanded.
-
- DATA is user data that is passed unmodified to the callback
- functions. */
- 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
- address exactly matches PC, or, if there is no exact match, the
- symbol table 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);
-
- /* 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
- FILENAME, the file's FULLNAME (if need_fullname is non-zero), and
- the DATA passed to this function. */
- void (*map_symbol_filenames) (struct objfile *objfile,
- symbol_filename_ftype *fun, void *data,
- int need_fullname);
-};
+using symfile_segment_data_up = std::unique_ptr<symfile_segment_data>;
/* Structure of functions used for probe support. If one of these functions
is provided, all must be. */
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 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 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 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);
-
- /* 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
- only be non-NULL if the objfile actually does have debuginfo available.
- */
-
- void (*sym_read_psymbols) (struct objfile *);
+ void (*sym_read) (struct objfile *, symfile_add_flags);
/* Called when we are finished with an objfile. Should do all
cleanup that is specific to the object file format for the
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.
- void (*sym_offsets) (struct objfile *, struct section_addr_info *);
+ 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 *, 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
/* If non-NULL, this objfile has probe support, and all the probe
functions referred to here will be non-NULL. */
const struct sym_probe_fns *sym_probe_fns;
-
- /* The "quick" (aka partial) symbol functions for this symbol
- reader. */
- 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);
+ asection *sectp, bfd_byte *buf);
-extern struct symtab *allocate_symtab (const char *, struct objfile *)
+extern struct symtab *allocate_symtab (struct compunit_symtab *, const char *)
ATTRIBUTE_NONNULL (1);
-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,
-
- /* This is the main symbol file (as opposed to symbol file for dynamically
- loaded code). */
- SYMFILE_MAINLINE = 1 << 2,
-
- /* 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 *gdb_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);
-
-extern struct cleanup *increment_reading_symtab (void);
-
-/* From dwarf2read.c */
-
-/* Names for a dwarf2 debugging section. The field NORMAL is the normal
- section name (usually from the DWARF standard), while the field COMPRESSED
- is the name of compressed sections. If your object file format doesn't
- support compressed sections, the field COMPRESSED can be NULL. Likewise,
- the debugging section is not supported, the field NORMAL can be NULL too.
- It doesn't make sense to have a NULL NORMAL field but a non-NULL COMPRESSED
- field. */
+symfile_segment_data_up get_symfile_segment_data (bfd *abfd);
-struct dwarf2_section_names {
- const char *normal;
- const char *compressed;
-};
+extern scoped_restore_tmpl<int> increment_reading_symtab (void);
-/* List of names for dward2 debugging sections. Also most object file formats
- use the standardized (ie ELF) names, some (eg XCOFF) have customized names
- due to restrictions.
- The table for the standard names is defined in dwarf2read.c. Please
- update all instances of dwarf2_debug_sections if you add a field to this
- structure. It is always safe to use { NULL, NULL } in this case. */
-
-struct dwarf2_debug_sections {
- struct dwarf2_section_names info;
- struct dwarf2_section_names abbrev;
- struct dwarf2_section_names line;
- struct dwarf2_section_names loc;
- struct dwarf2_section_names macinfo;
- struct dwarf2_section_names macro;
- struct dwarf2_section_names str;
- struct dwarf2_section_names ranges;
- 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;
- /* This field has no meaning, but exists solely to catch changes to
- this structure which are not reflected in some instance. */
- int sentinel;
-};
+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,
+ enum search_domain kind);
-extern int dwarf2_has_info (struct objfile *,
- const struct dwarf2_debug_sections *);
+void map_symbol_filenames (gdb::function_view<symbol_filename_ftype> fun,
+ bool need_fullname);
-/* Dwarf2 sections that can be accessed by dwarf2_get_section_info. */
-enum dwarf2_section_enum {
- DWARF2_DEBUG_FRAME,
- DWARF2_EH_FRAME
-};
+/* Target-agnostic function to load the sections of an executable into memory.
-extern void dwarf2_get_section_info (struct objfile *,
- enum dwarf2_section_enum,
- asection **, gdb_byte **,
- bfd_size_type *);
+ 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);
-extern int dwarf2_initialize_objfile (struct objfile *);
-extern void dwarf2_build_psymtabs (struct objfile *);
-extern void dwarf2_build_frame_info (struct objfile *);
+/* From minidebug.c. */
-void dwarf2_free_objfile (struct objfile *);
+extern gdb_bfd_ref_ptr find_separate_debug_file_in_section (struct objfile *);
-/* From mdebugread.c */
+/* True if we are printing debug output about separate debug info files. */
-/* 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;
-};
+extern bool separate_debug_file_debug;
-extern void mdebug_build_psymtabs (struct objfile *,
- const struct ecoff_debug_swap *,
- struct ecoff_debug_info *);
+/* Read full symbols immediately. */
-extern void elfmdebug_build_psymtabs (struct objfile *,
- const struct ecoff_debug_swap *,
- asection *);
+extern int readnow_symbol_files;
-/* From minidebug.c. */
+/* Never read full symbols. */
-extern bfd *find_separate_debug_file_in_section (struct objfile *);
+extern int readnever_symbol_files;
#endif /* !defined(SYMFILE_H) */
projects / binutils-gdb.git / blobdiff