/* Definitions for reading symbol files into GDB.
- Copyright (C) 1990-2018 Free Software Foundation, Inc.
+ Copyright (C) 1990-2020 Free Software Foundation, Inc.
This file is part of GDB.
#include "symfile-add-flags.h"
#include "objfile-flags.h"
#include "gdb_bfd.h"
-#include "common/function-view.h"
+#include "gdbsupport/function-view.h"
/* Opaque declarations. */
struct target_section;
CORE_ADDR addr;
std::string name;
- /* SECTINDEX must be valid for associated BFD or set to -1. */
+ /* SECTINDEX must be valid for associated BFD or set to -1.
+ See syms_from_objfile_1 for an exception to this rule.
+ */
int sectindex;
};
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)
+ {}
- /* If NUM_SEGMENTS is greater than zero, the original base address
- of each segment. */
- CORE_ADDR *segment_bases;
+ /* The original base address the segment. */
+ CORE_ADDR base;
- /* If NUM_SEGMENTS is greater than zero, the memory size of each
- segment. */
- CORE_ADDR *segment_sizes;
+ /* The memory size of the segment. */
+ CORE_ADDR size;
+ };
+
+ /* 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,
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,
- int block_index, const char *name,
+ 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. */
+ 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
"maint print statistics". */
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,
- const struct section_offsets *new_offsets,
- const 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,
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,
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) (struct objfile *,
- const char *name, domain_enum domain,
- int global,
- int (*callback) (struct block *,
- struct symbol *, void *),
- void *data,
- symbol_name_match_type match,
- symbol_compare_ftype *ordered_compare);
+ CALLBACK returns true to indicate that the scan should continue, or
+ false to indicate that the scan should be terminated. */
+
+ 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.
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.
+
+ Otherwise, individual symbols are considered.
- If even KIND matches, SYMBOL_MATCHER is called for each symbol
- defined in the file. The symbol "search" name is passed to
- SYMBOL_MATCHER.
+ If KIND does not match, the symbol is skipped.
+
+ If the symbol name does not match LOOKUP_NAME, the symbol is skipped.
If SYMBOL_MATCHER returns false, then the symbol is skipped.
void (*expand_symtabs_matching)
(struct objfile *objfile,
gdb::function_view<expand_symtabs_file_matcher_ftype> file_matcher,
- const lookup_name_info &lookup_name,
+ 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);
struct sym_probe_fns
{
/* If non-NULL, return a reference to vector of probe objects. */
- const std::vector<probe *> &(*sym_get_probes) (struct objfile *);
+ const std::vector<std::unique_ptr<probe>> &(*sym_get_probes)
+ (struct objfile *);
};
/* Structure to keep track of symbol reading functions for various
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
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,
- const section_addr_info &addrs);
+ (section_offsets §ion_offsets, const section_addr_info &addrs);
extern void addr_info_make_relative (section_addr_info *addrs,
bfd *abfd);
/* 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. */
/* 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 int symfile_map_offsets_to_segments (bfd *,
const struct symfile_segment_data *,
- struct section_offsets *,
+ 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 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 */
/* Names for a dwarf2 debugging section. The field NORMAL is the normal
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;
};
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 {
void dwarf2_free_objfile (struct objfile *);
-/* From mdebugread.c */
-
-extern void mdebug_build_psymtabs (minimal_symbol_reader &,
- struct objfile *,
- const struct ecoff_debug_swap *,
- struct ecoff_debug_info *);
-
-extern void elfmdebug_build_psymtabs (struct objfile *,
- const struct ecoff_debug_swap *,
- asection *);
-
/* From minidebug.c. */
extern gdb_bfd_ref_ptr find_separate_debug_file_in_section (struct objfile *);
/* True if we are printing debug output about separate debug info files. */
-extern int separate_debug_file_debug;
+extern bool separate_debug_file_debug;
#endif /* !defined(SYMFILE_H) */
projects / deliverable / binutils-gdb.git / blobdiff