/* Private partial symbol table definitions.
- Copyright (C) 2009-2012 Free Software Foundation, Inc.
+ Copyright (C) 2009-2015 Free Software Foundation, Inc.
This file is part of GDB.
symbols whose types we have not parsed yet. For functions, it also
contains their memory address, so we can find them from a PC value.
Each partial_symbol sits in a partial_symtab, all of which are chained
- on a partial symtab list and which points to the corresponding
+ on a partial symtab list and which points to the corresponding
normal symtab once the partial_symtab has been referenced. */
/* This structure is space critical. See space comments at the top of
struct partial_symbol
{
-
/* The general symbol info required for all types of symbols. */
struct general_symbol_info ginfo;
/* Name space code. */
- ENUM_BITFIELD(domain_enum_tag) domain : 6;
-
- /* Address class (for info_symbols). */
+ ENUM_BITFIELD(domain_enum_tag) domain : SYMBOL_DOMAIN_BITS;
- ENUM_BITFIELD(address_class) aclass : 6;
+ /* Address class (for info_symbols). Note that we don't allow
+ synthetic "aclass" values here at present, simply because there's
+ no need. */
+ ENUM_BITFIELD(address_class) aclass : SYMBOL_ACLASS_BITS;
};
#define PSYMBOL_DOMAIN(psymbol) (psymbol)->domain
struct partial_symtab
{
-
/* Chain of all existing partial symtabs. */
struct partial_symtab *next;
const char *dirname;
- /* Set of relocation offsets to apply to each section. */
-
- struct section_offsets *section_offsets;
-
/* Range of text addresses covered by this file; texthigh is the
beginning of the next section. Do not use if PSYMTABS_ADDRMAP_SUPPORTED
is set. */
CORE_ADDR textlow;
CORE_ADDR texthigh;
- /* Array of pointers to all of the partial_symtab's which this one
- depends on. Since this array can only be set to previous or
- the current (?) psymtab, this dependency tree is guaranteed not
- to have any loops. "depends on" means that symbols must be read
- for the dependencies before being read for this psymtab; this is
- for type references in stabs, where if foo.c includes foo.h, declarations
- in foo.h may use type numbers defined in foo.c. For other debugging
- formats there may be no need to use dependencies. */
-
- struct partial_symtab **dependencies;
-
- int number_of_dependencies;
-
/* If NULL, this is an ordinary partial symbol table.
If non-NULL, this holds a single includer of this partial symbol
In DWARF terms, a shared psymtab is a DW_TAG_partial_unit; but
of course using a name based on that would be too confusing, so
"shared" was chosen instead.
-
+
Only a single user is needed because, when expanding a shared
psymtab, we only need to expand its "canonical" non-shared user.
The choice of which one should be canonical is left to the
struct partial_symtab *user;
+ /* Array of pointers to all of the partial_symtab's which this one
+ depends on. Since this array can only be set to previous or
+ the current (?) psymtab, this dependency tree is guaranteed not
+ to have any loops. "depends on" means that symbols must be read
+ for the dependencies before being read for this psymtab; this is
+ for type references in stabs, where if foo.c includes foo.h, declarations
+ in foo.h may use type numbers defined in foo.c. For other debugging
+ formats there may be no need to use dependencies. */
+
+ struct partial_symtab **dependencies;
+
+ int number_of_dependencies;
+
/* Global symbol list. This list will be sorted after readin to
improve access. Binary search will be the usual method of
finding a symbol within it. globals_offset is an integer offset
ENUM_BITFIELD (psymtab_search_status) searched_flag : 2;
- /* Pointer to symtab eventually allocated for this source file, 0 if
+ /* Pointer to compunit eventually allocated for this source file, 0 if
!readin or if we haven't looked for the symtab after it was readin. */
- struct symtab *symtab;
+ struct compunit_symtab *compunit_symtab;
/* Pointer to function which will read in the symtab corresponding to
this psymtab. */
- void (*read_symtab) (struct objfile *, struct partial_symtab *);
+ void (*read_symtab) (struct partial_symtab *, struct objfile *);
/* Information that lets read_symtab() locate the part of the symbol table
that this psymtab corresponds to. This information is private to the
void *read_symtab_private;
};
-extern void sort_pst_symbols (struct objfile *, struct partial_symtab *);
-
/* Add any kind of symbol to a psymbol_allocation_list. */
extern void add_psymbol_to_list (const char *, int,
int, domain_enum,
enum address_class,
struct psymbol_allocation_list *,
- long, CORE_ADDR,
+ CORE_ADDR,
enum language, struct objfile *);
extern void init_psymbol_list (struct objfile *, int);
extern struct partial_symtab *start_psymtab_common (struct objfile *,
- struct section_offsets *,
const char *, CORE_ADDR,
struct partial_symbol **,
struct partial_symbol **);
+extern void end_psymtab_common (struct objfile *, struct partial_symtab *);
+
extern struct partial_symtab *allocate_psymtab (const char *,
- struct objfile *);
+ struct objfile *)
+ ATTRIBUTE_NONNULL (1);
extern void discard_psymtab (struct objfile *, struct partial_symtab *);
+extern struct cleanup *make_cleanup_discard_psymtabs (struct objfile *);
+
/* Traverse all psymtabs in one objfile. */
#define ALL_OBJFILE_PSYMTABS(objfile, p) \