/* 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
+ 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
This file is part of GDB.
struct blockvector;
struct axs_value;
struct agent_expr;
+struct program_space;
/* Some of the structures in this file are space critical.
The space-critical structures are:
--chastain 2003-08-21 */
+/* Struct for storing C++ specific information. Allocated when needed. */
+struct cplus_specific
+{
+ char *demangled_name;
+};
/* Define a structure for the information that is common to all symbol types,
including minimal symbols, partial symbols, and full symbols. In a
value;
/* Since one and only one language can apply, wrap the language specific
- information inside a union. */
+ information inside a union. */
union
{
- struct cplus_specific
+ /* This is used by languages which wish to store a demangled name.
+ currently used by Ada, Java, and Objective C.*/
+ struct mangled_lang
{
- /* This is in fact used for C++, Java, and Objective C. */
char *demangled_name;
}
- cplus_specific;
+ mangled_lang;
+
+ struct cplus_specific *cplus_specific;
}
language_specific;
short section;
- /* The bfd section associated with this symbol. */
+ /* The section associated with this symbol. It can be NULL. */
- asection *bfd_section;
+ struct obj_section *obj_section;
};
-extern CORE_ADDR symbol_overlayed_address (CORE_ADDR, asection *);
+extern void symbol_set_demangled_name (struct general_symbol_info *, char *,
+ struct objfile *);
+
+extern char *symbol_get_demangled_name (const struct general_symbol_info *);
+
+extern CORE_ADDR symbol_overlayed_address (CORE_ADDR, struct obj_section *);
/* Note that all the following SYMBOL_* macros are used with the
SYMBOL argument being either a partial symbol, a minimal symbol or
functions, unless the callers are changed to pass in the ginfo
field only, instead of the SYMBOL parameter. */
-#define DEPRECATED_SYMBOL_NAME(symbol) (symbol)->ginfo.name
#define SYMBOL_VALUE(symbol) (symbol)->ginfo.value.ivalue
#define SYMBOL_VALUE_ADDRESS(symbol) (symbol)->ginfo.value.address
#define SYMBOL_VALUE_BYTES(symbol) (symbol)->ginfo.value.bytes
#define SYMBOL_VALUE_CHAIN(symbol) (symbol)->ginfo.value.chain
#define SYMBOL_LANGUAGE(symbol) (symbol)->ginfo.language
#define SYMBOL_SECTION(symbol) (symbol)->ginfo.section
-#define SYMBOL_BFD_SECTION(symbol) (symbol)->ginfo.bfd_section
-
-#define SYMBOL_CPLUS_DEMANGLED_NAME(symbol) \
- (symbol)->ginfo.language_specific.cplus_specific.demangled_name
+#define SYMBOL_OBJ_SECTION(symbol) (symbol)->ginfo.obj_section
/* Initializes the language dependent portion of a symbol
depending upon the language for the symbol. */
extern void symbol_init_language_specific (struct general_symbol_info *symbol,
enum language language);
-#define SYMBOL_SET_NAMES(symbol,linkage_name,len,objfile) \
- symbol_set_names (&(symbol)->ginfo, linkage_name, len, objfile)
+/* Set just the linkage name of a symbol; do not try to demangle
+ it. Used for constructs which do not have a mangled name,
+ e.g. struct tags. Unlike SYMBOL_SET_NAMES, linkage_name must
+ be terminated and either already on the objfile's obstack or
+ permanently allocated. */
+#define SYMBOL_SET_LINKAGE_NAME(symbol,linkage_name) \
+ (symbol)->ginfo.name = (linkage_name)
+
+/* Set the linkage and natural names of a symbol, by demangling
+ the linkage name. */
+#define SYMBOL_SET_NAMES(symbol,linkage_name,len,copy_name,objfile) \
+ symbol_set_names (&(symbol)->ginfo, linkage_name, len, copy_name, objfile)
extern void symbol_set_names (struct general_symbol_info *symbol,
- const char *linkage_name, int len,
+ const char *linkage_name, int len, int copy_name,
struct objfile *objfile);
/* Now come lots of name accessor macros. Short version as to when to
want to know what the linker thinks the symbol's name is. Use
SYMBOL_PRINT_NAME for output. Use SYMBOL_DEMANGLED_NAME if you
specifically need to know whether SYMBOL_NATURAL_NAME and
- SYMBOL_LINKAGE_NAME are different. Don't use
- DEPRECATED_SYMBOL_NAME at all: instances of that macro should be
- replaced by SYMBOL_NATURAL_NAME, SYMBOL_LINKAGE_NAME, or perhaps
- SYMBOL_PRINT_NAME. */
+ SYMBOL_LINKAGE_NAME are different. */
/* Return SYMBOL's "natural" name, i.e. the name that it was called in
the original source code. In languages like C++ where symbols may
/* Return SYMBOL's name from the point of view of the linker. In
languages like C++ where symbols may be mangled for ease of
manipulation by the linker, this is the mangled name; otherwise,
- it's the same as SYMBOL_NATURAL_NAME. This is currently identical
- to DEPRECATED_SYMBOL_NAME, but please use SYMBOL_LINKAGE_NAME when
- appropriate: it conveys the additional semantic information that
- you really have thought about the issue and decided that you mean
- SYMBOL_LINKAGE_NAME instead of SYMBOL_NATURAL_NAME. */
+ it's the same as SYMBOL_NATURAL_NAME. */
#define SYMBOL_LINKAGE_NAME(symbol) (symbol)->ginfo.name
that symbol. If no demangled name exists, return NULL. */
#define SYMBOL_DEMANGLED_NAME(symbol) \
(symbol_demangled_name (&(symbol)->ginfo))
-extern char *symbol_demangled_name (struct general_symbol_info *symbol);
+extern char *symbol_demangled_name (const struct general_symbol_info *symbol);
/* Macro that returns a version of the name of a symbol that is
suitable for output. In C++ this is the "demangled" form of the
struct general_symbol_info ginfo;
- /* The info field is available for caching machine-specific
- information so it doesn't have to rederive the info constantly
- (over a serial line). It is initialized to zero and stays that
- way until target-dependent code sets it. Storage for any data
- pointed to by this field should be allocated on the
- objfile_obstack for the associated objfile. The type would be
- "void *" except for reasons of compatibility with older
- compilers. This field is optional.
-
- Currently, the AMD 29000 tdep.c uses it to remember things it has decoded
- from the instructions in the function header, and the MIPS-16 code uses
- it to identify 16-bit procedures. */
-
- char *info;
-
/* Size of this symbol. end_psymtab in dbxread.c uses this
information to calculate the end of the partial symtab based on the
address of the last symbol plus the size of the last symbol. */
ENUM_BITFIELD(minimal_symbol_type) type : 8;
+ /* Two flag bits provided for the use of the target. */
+ unsigned int target_flag_1 : 1;
+ unsigned int target_flag_2 : 1;
+
/* Minimal symbols with the same hash key are kept on a linked
list. This is the link. */
struct minimal_symbol *demangled_hash_next;
};
-#define MSYMBOL_INFO(msymbol) (msymbol)->info
+#define MSYMBOL_TARGET_FLAG_1(msymbol) (msymbol)->target_flag_1
+#define MSYMBOL_TARGET_FLAG_2(msymbol) (msymbol)->target_flag_2
#define MSYMBOL_SIZE(msymbol) (msymbol)->size
#define MSYMBOL_TYPE(msymbol) (msymbol)->type
STRUCT_DOMAIN,
- /* LABEL_DOMAIN may be used for names of labels (for gotos);
- currently it is not used and labels are not recorded at all. */
+ /* LABEL_DOMAIN may be used for names of labels (for gotos). */
LABEL_DOMAIN,
/* Searching domains. These overlap with VAR_DOMAIN, providing
some granularity with the search_symbols function. */
- /* Everything in VAR_DOMAIN minus FUNCTIONS_-, TYPES_-, and
- METHODS_DOMAIN */
+ /* Everything in VAR_DOMAIN minus FUNCTIONS_DOMAIN and
+ TYPES_DOMAIN. */
VARIABLES_DOMAIN,
/* All functions -- for some reason not methods, though. */
FUNCTIONS_DOMAIN,
/* All defined types */
- TYPES_DOMAIN,
-
- /* All class methods -- why is this separated out? */
- METHODS_DOMAIN
+ TYPES_DOMAIN
}
domain_enum;
LOC_STATIC,
- /* Value is in register. SYMBOL_VALUE is the register number.
+ /* Value is in register. SYMBOL_VALUE is the register number
+ in the original debug format. SYMBOL_REGISTER_OPS holds a
+ function that can be called to transform this into the
+ actual register number this represents in a specific target
+ architecture (gdbarch).
For some symbol formats (stabs, for some compilers at least),
the compiler generates two symbols, an argument and a register.
in another object file or runtime common storage.
The linker might even remove the minimal symbol if the global
symbol is never referenced, in which case the symbol remains
- unresolved. */
+ unresolved.
+
+ GDB would normally find the symbol in the minimal symbol table if it will
+ not find it in the full symbol table. But a reference to an external
+ symbol in a local block shadowing other definition requires full symbol
+ without possibly having its address available for LOC_STATIC. Testcase
+ is provided as `gdb.dwarf2/dw2-unresolved.exp'. */
LOC_UNRESOLVED,
LOC_OPTIMIZED_OUT,
/* The variable's address is computed by a set of location
- functions (see "struct symbol_ops" below). */
+ functions (see "struct symbol_computed_ops" below). */
LOC_COMPUTED,
};
-/* The methods needed to implement a symbol class. These methods can
+/* The methods needed to implement LOC_COMPUTED. These methods can
use the symbol's .aux_value for additional per-symbol information.
At present this is only used to implement location expressions. */
-struct symbol_ops
+struct symbol_computed_ops
{
/* Return the value of the variable SYMBOL, relative to the stack
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
the caller will generate the right code in the process of
treating this as an lvalue or rvalue. */
- void (*tracepoint_var_ref) (struct symbol * symbol, struct agent_expr * ax,
- struct axs_value * value);
+ void (*tracepoint_var_ref) (struct symbol *symbol, struct gdbarch *gdbarch,
+ struct agent_expr *ax, struct axs_value *value);
+};
+
+/* Functions used with LOC_REGISTER and LOC_REGPARM_ADDR. */
+
+struct symbol_register_ops
+{
+ int (*register_number) (struct symbol *symbol, struct gdbarch *gdbarch);
};
/* This structure is space critical. See space comments at the top. */
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. */
unsigned is_argument : 1;
- /* Line number of definition. FIXME: Should we really make the assumption
- that nobody will try to debug files longer than 64K lines? What about
- machine generated programs? */
+ /* Whether this is an inlined function (class LOC_BLOCK only). */
+ unsigned is_inlined : 1;
+
+ /* Line number of this symbol's definition, except for inlined
+ functions. For an inlined function (class LOC_BLOCK and
+ SYMBOL_INLINED set) this is the line number of the function's call
+ site. Inlined function symbols are not definitions, and they are
+ never found by symbol table lookup.
+
+ FIXME: Should we really make the assumption that nobody will try
+ to debug files longer than 64K lines? What about machine
+ generated programs? */
unsigned short line;
/* Method's for symbol's of this class. */
/* NOTE: cagney/2003-11-02: See comment above attached to "aclass". */
- const struct symbol_ops *ops;
+ union
+ {
+ /* Used with LOC_COMPUTED. */
+ const struct symbol_computed_ops *ops_computed;
+
+ /* Used with LOC_REGISTER and LOC_REGPARM_ADDR. */
+ const struct symbol_register_ops *ops_register;
+ } ops;
/* An arbitrary data pointer, allowing symbol readers to record
additional information on a per-symbol basis. Note that this data
#define SYMBOL_DOMAIN(symbol) (symbol)->domain
#define SYMBOL_CLASS(symbol) (symbol)->aclass
#define SYMBOL_IS_ARGUMENT(symbol) (symbol)->is_argument
+#define SYMBOL_INLINED(symbol) (symbol)->is_inlined
#define SYMBOL_TYPE(symbol) (symbol)->type
#define SYMBOL_LINE(symbol) (symbol)->line
#define SYMBOL_SYMTAB(symbol) (symbol)->symtab
-#define SYMBOL_OPS(symbol) (symbol)->ops
+#define SYMBOL_COMPUTED_OPS(symbol) (symbol)->ops.ops_computed
+#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 BLOCKVECTOR(symtab) (symtab)->blockvector
#define LINETABLE(symtab) (symtab)->linetable
-\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))
+#define SYMTAB_PSPACE(symtab) (symtab)->objfile->pspace
\f
/* The virtual function table is now an array of structures which have the
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. */
+/* Lookup a symbol only in the file static scope of all the objfiles. */
+
+struct symbol *lookup_static_symbol_aux (const char *name,
+ const domain_enum domain);
-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 */
/* lookup the function corresponding to the address and section */
-extern struct symbol *find_pc_sect_function (CORE_ADDR, asection *);
+extern struct symbol *find_pc_sect_function (CORE_ADDR, struct obj_section *);
/* lookup function from address, return name, start addr and end addr */
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, asection *);
+extern struct symtab *find_pc_sect_symtab_via_partial (CORE_ADDR,
+ struct obj_section *);
/* lookup full symbol table by address */
/* lookup full symbol table by address and section */
-extern struct symtab *find_pc_sect_symtab (CORE_ADDR, asection *);
-
-/* 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, asection *);
+extern struct symtab *find_pc_sect_symtab (CORE_ADDR, struct obj_section *);
extern int find_pc_line_pc_range (CORE_ADDR, CORE_ADDR *, CORE_ADDR *);
enum minimal_symbol_type,
struct objfile *);
+extern struct minimal_symbol *prim_record_minimal_symbol_full
+ (const char *, int, int, CORE_ADDR,
+ enum minimal_symbol_type,
+ int section, asection * bfd_section, struct objfile *);
+
extern struct minimal_symbol *prim_record_minimal_symbol_and_info
(const char *, CORE_ADDR,
enum minimal_symbol_type,
- char *info, int section, asection * bfd_section, struct objfile *);
+ int section, asection * bfd_section, struct objfile *);
extern unsigned int msymbol_hash_iw (const char *);
extern struct minimal_symbol *lookup_minimal_symbol_by_pc (CORE_ADDR);
-extern struct minimal_symbol *lookup_minimal_symbol_by_pc_section (CORE_ADDR,
- asection
- *);
+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 *);
extern struct minimal_symbol
*lookup_solib_trampoline_symbol_by_pc (CORE_ADDR);
struct symtab_and_line
{
+ /* The program space of this sal. */
+ struct program_space *pspace;
+
struct symtab *symtab;
- asection *section;
+ struct obj_section *section;
/* Line number. Line numbers start at 1 and proceed through symtab->nlines.
0 is never a valid line number; it is used to indicate that line number
information is not available. */
/* Same function, but specify a section as well as an address */
-extern struct symtab_and_line find_pc_sect_line (CORE_ADDR, asection *, int);
+extern struct symtab_and_line find_pc_sect_line (CORE_ADDR,
+ struct obj_section *, int);
/* Given a symtab and line number, return the pc there. */
/* 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 */
extern void select_source_symtab (struct symtab *);
+extern char **default_make_symbol_completion_list_break_on
+ (char *text, char *word, const char *break_on);
extern char **default_make_symbol_completion_list (char *, char *);
extern char **make_symbol_completion_list (char *, char *);
+extern char **make_symbol_completion_list_fn (struct cmd_list_element *,
+ char *, char *);
extern char **make_file_symbol_completion_list (char *, char *, char *);
/* symtab.c */
-int matching_bfd_sections (asection *, asection *);
+int matching_obj_sections (struct obj_section *, struct obj_section *);
-extern struct partial_symtab *find_main_psymtab (void);
+extern const 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, asection *);
-
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 enum language deduce_language_from_filename (char *);
+extern enum language deduce_language_from_filename (const char *);
/* symtab.c */
-extern int in_prologue (CORE_ADDR pc, CORE_ADDR func_start);
+extern int in_prologue (struct gdbarch *gdbarch,
+ CORE_ADDR pc, CORE_ADDR func_start);
-extern CORE_ADDR skip_prologue_using_sal (CORE_ADDR func_addr);
+extern CORE_ADDR skip_prologue_using_sal (struct gdbarch *gdbarch,
+ CORE_ADDR func_addr);
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) */
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