/* Symbol table definitions for GDB.
Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
- 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009
+ 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
This file is part of GDB.
short section;
- /* The section associated with this symbol. */
+ /* The section associated with this symbol. It can be NULL. */
struct obj_section *obj_section;
};
#define SYMBOL_SECTION(symbol) (symbol)->ginfo.section
#define SYMBOL_OBJ_SECTION(symbol) (symbol)->ginfo.obj_section
-#define SYMBOL_CPLUS_DEMANGLED_NAME(symbol) \
- (symbol)->ginfo.language_specific.cplus_specific.demangled_name
-
/* Initializes the language dependent portion of a symbol
depending upon the language for the symbol. */
#define SYMBOL_INIT_LANGUAGE_SPECIFIC(symbol,language) \
int (*read_needs_frame) (struct symbol * symbol);
/* Write to STREAM a natural-language description of the location of
- SYMBOL. */
- int (*describe_location) (struct symbol * symbol, struct ui_file * stream);
+ SYMBOL, in the context of ADDR. */
+ void (*describe_location) (struct symbol * symbol, CORE_ADDR addr,
+ struct ui_file * stream);
/* Tracepoint support. Append bytecodes to the tracepoint agent
expression AX that push the address of the object SYMBOL. Set
struct type *type;
/* The symbol table containing this symbol. This is the file
- associated with LINE. */
+ associated with LINE. It can be NULL during symbols read-in but it is
+ never NULL during normal operation. */
struct symtab *symtab;
/* Domain code. */
#define SYMBOL_REGISTER_OPS(symbol) (symbol)->ops.ops_register
#define SYMBOL_LOCATION_BATON(symbol) (symbol)->aux_value
\f
-/* A partial_symbol records the name, domain, and address class of
- 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
- normal symtab once the partial_symtab has been referenced. */
-
-/* This structure is space critical. See space comments at the top. */
-
-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(address_class) aclass : 6;
-
-};
-
-#define PSYMBOL_DOMAIN(psymbol) (psymbol)->domain
-#define PSYMBOL_CLASS(psymbol) (psymbol)->aclass
-\f
-
/* Each item represents a line-->pc (or the reverse) mapping. This is
somewhat more wasteful of space than one might wish, but since only
the files which are actually debugged are read in to core, we don't
#define SYMTAB_PSPACE(symtab) (symtab)->objfile->pspace
\f
-/* Each source file that has not been fully read in is represented by
- a partial_symtab. This contains the information on where in the
- executable the debugging symbols for a specific file are, and a
- list of names of global symbols which are located in this file.
- They are all chained on partial symtab lists.
-
- Even after the source file has been read into a symtab, the
- partial_symtab remains around. They are allocated on an obstack,
- objfile_obstack. FIXME, this is bad for dynamic linking or VxWorks-
- style execution of a bunch of .o's. */
-
-struct partial_symtab
-{
-
- /* Chain of all existing partial symtabs. */
-
- struct partial_symtab *next;
-
- /* Name of the source file which this partial_symtab defines */
-
- char *filename;
-
- /* Full path of the source file. NULL if not known. */
-
- char *fullname;
-
- /* Directory in which it was compiled, or NULL if we don't know. */
-
- char *dirname;
-
- /* Information about the object file from which symbols should be read. */
-
- struct objfile *objfile;
-
- /* 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. */
-
- 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;
-
- /* 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
- within global_psymbols[]. */
-
- int globals_offset;
- int n_global_syms;
-
- /* Static symbol list. This list will *not* be sorted after readin;
- to find a symbol in it, exhaustive search must be used. This is
- reasonable because searches through this list will eventually
- lead to either the read in of a files symbols for real (assumed
- to take a *lot* of time; check) or an error (and we don't care
- how long errors take). This is an offset and size within
- static_psymbols[]. */
-
- int statics_offset;
- int n_static_syms;
-
- /* Pointer to symtab 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;
-
- /* Pointer to function which will read in the symtab corresponding to
- this psymtab. */
-
- void (*read_symtab) (struct partial_symtab *);
-
- /* Information that lets read_symtab() locate the part of the symbol table
- that this psymtab corresponds to. This information is private to the
- format-dependent symbol reading routines. For further detail examine
- the various symbol reading modules. Should really be (void *) but is
- (char *) as with other such gdb variables. (FIXME) */
-
- char *read_symtab_private;
-
- /* Non-zero if the symtab corresponding to this psymtab has been readin */
-
- unsigned char readin;
-};
-
-/* A fast way to get from a psymtab to its symtab (after the first time). */
-#define PSYMTAB_TO_SYMTAB(pst) \
- ((pst) -> symtab != NULL ? (pst) -> symtab : psymtab_to_symtab (pst))
-\f
-
/* The virtual function table is now an array of structures which have the
form { int16 offset, delta; void *pfn; }.
that can't think of anything better to do. */
extern struct symbol *basic_lookup_symbol_nonlocal (const char *,
- const char *,
const struct block *,
const domain_enum);
is one; do nothing if BLOCK is NULL or a global block. */
extern struct symbol *lookup_symbol_static (const char *name,
- const char *linkage_name,
const struct block *block,
const domain_enum domain);
necessary). */
extern struct symbol *lookup_symbol_global (const char *name,
- const char *linkage_name,
const struct block *block,
const domain_enum domain);
will fix up the symbol if necessary. */
extern struct symbol *lookup_symbol_aux_block (const char *name,
- const char *linkage_name,
const struct block *block,
const domain_enum domain);
-/* Lookup a partial symbol. */
-
-extern struct partial_symbol *lookup_partial_symbol (struct partial_symtab *,
- const char *,
- const char *, int,
- domain_enum);
-
/* lookup a symbol by name, within a specified block */
extern struct symbol *lookup_block_symbol (const struct block *, const char *,
- const char *,
const domain_enum);
/* lookup a [struct, union, enum] by name, within a specified block */
extern void clear_pc_function_cache (void);
-/* from symtab.c: */
-
-/* lookup partial symbol table by filename */
-
-extern struct partial_symtab *lookup_partial_symtab (const char *);
-
-/* lookup partial symbol table by address */
-
-extern struct partial_symtab *find_pc_psymtab (CORE_ADDR);
-
/* lookup partial symbol table by address and section */
-extern struct partial_symtab *find_pc_sect_psymtab (CORE_ADDR,
- struct obj_section *);
+extern struct symtab *find_pc_sect_symtab_via_partial (CORE_ADDR,
+ struct obj_section *);
/* lookup full symbol table by address */
extern struct symtab *find_pc_sect_symtab (CORE_ADDR, struct obj_section *);
-/* lookup partial symbol by address */
-
-extern struct partial_symbol *find_pc_psymbol (struct partial_symtab *,
- CORE_ADDR);
-
-/* lookup partial symbol by address and section */
-
-extern struct partial_symbol *find_pc_sect_psymbol (struct partial_symtab *,
- CORE_ADDR,
- struct obj_section *);
-
extern int find_pc_line_pc_range (CORE_ADDR, CORE_ADDR *, CORE_ADDR *);
extern void reread_symbols (void);
extern struct minimal_symbol *lookup_minimal_symbol_by_pc (CORE_ADDR);
+extern struct minimal_symbol *
+ lookup_minimal_symbol_and_objfile (const char *,
+ struct objfile **);
+
extern struct minimal_symbol
*lookup_minimal_symbol_by_pc_section (CORE_ADDR, struct obj_section *);
/* Symbol-reading stuff in symfile.c and solib.c. */
-extern struct symtab *psymtab_to_symtab (struct partial_symtab *);
-
extern void clear_solib (void);
/* source.c */
int matching_obj_sections (struct obj_section *, struct obj_section *);
-extern struct partial_symtab *find_main_psymtab (void);
+extern char *find_main_filename (void);
extern struct symtab *find_line_symtab (struct symtab *, int, int *, int *);
-extern CORE_ADDR find_function_start_pc (struct gdbarch *,
- CORE_ADDR, struct obj_section *);
-
extern struct symtab_and_line find_function_start_sal (struct symbol *sym,
int);
+extern void skip_prologue_sal (struct symtab_and_line *);
+
/* symfile.c */
extern void clear_symtab_users (void);
extern struct symbol *fixup_symbol_section (struct symbol *,
struct objfile *);
-extern struct partial_symbol *fixup_psymbol_section (struct partial_symbol
- *psym,
- struct objfile *objfile);
-
/* Symbol searching */
/* When using search_symbols, a list of the following structs is returned.
/* Check global symbols in objfile. */
struct symbol *lookup_global_symbol_from_objfile (const struct objfile *objfile,
const char *name,
- const char *linkage_name,
const domain_enum domain);
-extern struct symtabs_and_lines
-expand_line_sal (struct symtab_and_line sal);
+extern struct symtabs_and_lines expand_line_sal (struct symtab_and_line sal);
+
+/* Return 1 if the supplied producer string matches the ARM RealView
+ compiler (armcc). */
+int producer_is_realview (const char *producer);
+
+void fixup_section (struct general_symbol_info *ginfo,
+ CORE_ADDR addr, struct objfile *objfile);
+
+struct objfile *lookup_objfile_from_block (const struct block *block);
#endif /* !defined(SYMTAB_H) */
projects / deliverable / binutils-gdb.git / blobdiff