/* Symbol table definitions for GDB.
- Copyright (C) 1986-2020 Free Software Foundation, Inc.
+ Copyright (C) 1986-2021 Free Software Foundation, Inc.
This file is part of GDB.
void compute_and_set_names (gdb::string_view linkage_name, bool copy_name,
struct objfile_per_bfd_storage *per_bfd,
gdb::optional<hashval_t> hash
- = gdb::optional<hashval_t> ());
+ = gdb::optional<hashval_t> ());
/* Name of the symbol. This is a required field. Storage for the
name is allocated on the objfile_obstack for the associated
section_offsets for this objfile. Negative means that the symbol
does not get relocated relative to a section. */
- short section;
+ short m_section;
+
+ /* Set the index into the obj_section list (within the containing
+ objfile) for the section that contains this symbol. See M_SECTION
+ for more details. */
+
+ void set_section_index (short idx)
+ { m_section = idx; }
+
+ /* Return the index into the obj_section list (within the containing
+ objfile) for the section that contains this symbol. See M_SECTION
+ for more details. */
+
+ short section_index () const
+ { return m_section; }
+
+ /* Return the obj_section from OBJFILE for this symbol. The symbol
+ returned is based on the SECTION member variable, and can be nullptr
+ if SECTION is negative. */
+
+ struct obj_section *obj_section (const struct objfile *objfile) const;
};
extern CORE_ADDR symbol_overlayed_address (CORE_ADDR, struct obj_section *);
#define SYMBOL_VALUE_COMMON_BLOCK(symbol) (symbol)->value.common_block
#define SYMBOL_BLOCK_VALUE(symbol) (symbol)->value.block
#define SYMBOL_VALUE_CHAIN(symbol) (symbol)->value.chain
-#define SYMBOL_SECTION(symbol) (symbol)->section
-#define SYMBOL_OBJ_SECTION(objfile, symbol) \
- (((symbol)->section >= 0) \
- ? (&(((objfile)->sections)[(symbol)->section])) \
- : NULL)
/* Try to determine the demangled name for a symbol, based on the
language of that symbol. If the language is set to language_auto,
#define MSYMBOL_VALUE_ADDRESS(objfile, symbol) \
(((symbol)->maybe_copied) ? get_msymbol_address (objfile, symbol) \
: ((symbol)->value.address \
- + (objfile)->section_offsets[(symbol)->section]))
+ + (objfile)->section_offsets[(symbol)->section_index ()]))
/* For a bound minsym, we can easily compute the address directly. */
#define BMSYMBOL_VALUE_ADDRESS(symbol) \
MSYMBOL_VALUE_ADDRESS ((symbol).objfile, (symbol).minsym)
#define MSYMBOL_VALUE_BYTES(symbol) (symbol)->value.bytes
#define MSYMBOL_BLOCK_VALUE(symbol) (symbol)->value.block
#define MSYMBOL_VALUE_CHAIN(symbol) (symbol)->value.chain
-#define MSYMBOL_SECTION(symbol) (symbol)->section
-#define MSYMBOL_OBJ_SECTION(objfile, symbol) \
- (((symbol)->section >= 0) \
- ? (&(((objfile)->sections)[(symbol)->section])) \
- : NULL)
#include "minsyms.h"
void (*generate_c_location) (struct symbol *symbol, string_file *stream,
struct gdbarch *gdbarch,
- unsigned char *registers_used,
+ std::vector<bool> ®isters_used,
CORE_ADDR pc, const char *result_name);
};
/* Class-initialization of bitfields is only allowed in C++20. */
: domain (UNDEF_DOMAIN),
aclass_index (0),
- is_objfile_owned (0),
+ is_objfile_owned (1),
is_argument (0),
is_inlined (0),
maybe_copied (0),
subclass (SYMBOL_NONE)
{
/* We can't use an initializer list for members of a base class, and
- general_symbol_info needs to stay a POD type. */
+ general_symbol_info needs to stay a POD type. */
m_name = nullptr;
value.ivalue = 0;
language_specific.obstack = nullptr;
m_language = language_unknown;
ada_mangled = 0;
- section = 0;
+ m_section = -1;
/* GCC 4.8.5 (on CentOS 7) does not correctly compile class-
- initialization of unions, so we initialize it manually here. */
+ initialization of unions, so we initialize it manually here. */
owner.symtab = nullptr;
}
+ symbol (const symbol &) = default;
+ symbol &operator= (const symbol &) = default;
+
/* Data type of value */
struct type *type = nullptr;
This is recorded as:
objfile -> foo.c(cu) -> bar.c(cu) -> NULL
- | |
- v v
- foo.c bar.c
- | |
- v v
- foo1.h foo1.h
- | |
- v v
- foo2.h bar.h
- | |
- v v
- NULL NULL
+ | |
+ v v
+ foo.c bar.c
+ | |
+ v v
+ foo1.h foo1.h
+ | |
+ v v
+ foo2.h bar.h
+ | |
+ v v
+ NULL NULL
where "foo.c(cu)" and "bar.c(cu)" are struct compunit_symtab objects,
and the files foo.c, etc. are struct symtab objects. */
const struct block *block,
domain_enum domain);
-/* A default version of lookup_symbol_nonlocal for use by languages
- that can't think of anything better to do.
- This implements the C lookup rules. */
-
-extern struct block_symbol
- basic_lookup_symbol_nonlocal (const struct language_defn *langdef,
- const char *,
- const struct block *,
- const domain_enum);
-
/* Some helper functions for languages that need to write their own
lookup_symbol_nonlocal functions. */
CORE_ADDR *address, CORE_ADDR *endaddr,
const struct block **block = nullptr);
+/* Like find_pc_partial_function, above, but returns the underlying
+ general_symbol_info (rather than the name) as an out parameter. */
+
+extern bool find_pc_partial_function_sym
+ (CORE_ADDR pc, const general_symbol_info **sym,
+ CORE_ADDR *address, CORE_ADDR *endaddr,
+ const struct block **block = nullptr);
+
/* Like find_pc_partial_function, above, but *ADDRESS and *ENDADDR are
set to start and end addresses of the range containing the entry pc.
symbol_name_match_type name_match_type,
const char *text, const char *word, const char *break_on,
enum type_code code);
-extern void default_collect_symbol_completion_matches
- (completion_tracker &tracker,
- complete_symbol_mode,
- symbol_name_match_type name_match_type,
- const char *,
- const char *,
- enum type_code);
extern void collect_symbol_completion_matches
(completion_tracker &tracker,
complete_symbol_mode mode,
private:
/* The kind of symbols are we searching for.
VARIABLES_DOMAIN - Search all symbols, excluding functions, type
- names, and constants (enums).
+ names, and constants (enums).
FUNCTIONS_DOMAIN - Search all functions..
TYPES_DOMAIN - Search all type names.
MODULES_DOMAIN - Search all Fortran modules.
void fixup_section (struct general_symbol_info *ginfo,
CORE_ADDR addr, struct objfile *objfile);
-/* Look up objfile containing BLOCK. */
-
-struct objfile *lookup_objfile_from_block (const struct block *block);
-
extern unsigned int symtab_create_debug;
extern unsigned int symbol_lookup_debug;
/* Storage type used by demangle_for_lookup. demangle_for_lookup
either returns a const char * pointer that points to either of the
fields of this type, or a pointer to the input NAME. This is done
- this way because the underlying functions that demangle_for_lookup
- calls either return a std::string (e.g., cp_canonicalize_string) or
- a malloc'ed buffer (libiberty's demangled), and we want to avoid
- unnecessary reallocation/string copying. */
+ this way to avoid depending on the precise details of the storage
+ for the string. */
class demangle_result_storage
{
public:
- /* Swap the std::string storage with STR, and return a pointer to
- the beginning of the new string. */
- const char *swap_string (std::string &str)
+ /* Swap the malloc storage to STR, and return a pointer to the
+ beginning of the new string. */
+ const char *set_malloc_ptr (gdb::unique_xmalloc_ptr<char> &&str)
{
- std::swap (m_string, str);
- return m_string.c_str ();
+ m_malloc = std::move (str);
+ return m_malloc.get ();
}
/* Set the malloc storage to now point at PTR. Any previous malloc
private:
/* The storage. */
- std::string m_string;
gdb::unique_xmalloc_ptr<char> m_malloc;
};
demangle_for_lookup (const char *name, enum language lang,
demangle_result_storage &storage);
-struct symbol *allocate_symbol (struct objfile *);
-
-void initialize_objfile_symbol (struct symbol *);
-
-struct template_symbol *allocate_template_symbol (struct objfile *);
-
/* Test to see if the symbol of language SYMBOL_LANGUAGE specified by
SYMNAME (which is already demangled for C++ symbols) matches
SYM_TEXT in the first SYM_TEXT_LEN characters. If so, add it to
- the current completion list. */
-void completion_list_add_name (completion_tracker &tracker,
+ the current completion list and return true. Otherwise, return
+ false. */
+bool completion_list_add_name (completion_tracker &tracker,
language symbol_language,
const char *symname,
const lookup_name_info &lookup_name,
std::vector<bound_minimal_symbol> m_minimal_symbols;
};
+/* Class used to encapsulate the filename filtering for the "info sources"
+ command. */
+
+struct info_sources_filter
+{
+ /* If filename filtering is being used (see M_C_REGEXP) then which part
+ of the filename is being filtered against? */
+ enum class match_on
+ {
+ /* Match against the full filename. */
+ FULLNAME,
+
+ /* Match only against the directory part of the full filename. */
+ DIRNAME,
+
+ /* Match only against the basename part of the full filename. */
+ BASENAME
+ };
+
+ /* Create a filter of MATCH_TYPE using regular expression REGEXP. If
+ REGEXP is nullptr then all files will match the filter and MATCH_TYPE
+ is ignored.
+
+ The string pointed too by REGEXP must remain live and unchanged for
+ this lifetime of this object as the object only retains a copy of the
+ pointer. */
+ info_sources_filter (match_on match_type, const char *regexp);
+
+ DISABLE_COPY_AND_ASSIGN (info_sources_filter);
+
+ /* Does FULLNAME match the filter defined by this object, return true if
+ it does, otherwise, return false. If there is no filtering defined
+ then this function will always return true. */
+ bool matches (const char *fullname) const;
+
+private:
+
+ /* The type of filtering in place. */
+ match_on m_match_type;
+
+ /* Points to the original regexp used to create this filter. */
+ const char *m_regexp;
+
+ /* A compiled version of M_REGEXP. This object is only given a value if
+ M_REGEXP is not nullptr and is not the empty string. */
+ gdb::optional<compiled_regex> m_c_regexp;
+};
+
+/* Perform the core of the 'info sources' command.
+
+ FILTER is used to perform regular expression based filtering on the
+ source files that will be displayed.
+
+ Output is written to UIOUT in CLI or MI style as appropriate. */
+
+extern void info_sources_worker (struct ui_out *uiout,
+ bool group_by_objfile,
+ const info_sources_filter &filter);
+
#endif /* !defined(SYMTAB_H) */
projects / deliverable / binutils-gdb.git / blobdiff