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binutils-gdb/gdb/symfile.h
Tom Tromey ccefe4c44c gdb 
* xcoffread.c: Include psymtab.h.
	(xcoff_sym_fns): Update.
	* symtab.h (struct partial_symbol): Remove.
	(PSYMBOL_DOMAIN, PSYMBOL_CLASS): Remove.
	(struct partial_symtab): Remove.
	(PSYMTAB_TO_SYMTAB): Remove.
	(lookup_partial_symbol, lookup_partial_symtab, find_pc_psymtab)
	(find_pc_sect_psymtab): Remove.
	(find_pc_sect_symtab_via_partial): Declare.
	(find_pc_psymtab, find_pc_sect_psymbol, psymtab_to_symtab)
	(find_main_psymtab): Remove.
	(find_main_filename): Declare.
	(fixup_psymbol_section): Remove.
	(fixup_section): Declare.
	* symtab.c: Include psymtab.h.
	(lookup_symtab): Use lookup_symtab method.
	(lookup_partial_symtab): Remove.
	(find_pc_sect_psymtab_closer): Remove.
	(find_pc_sect_psymtab): Remove.
	(find_pc_sect_symtab_via_partial): New function.
	(find_pc_psymtab, find_pc_sect_psymbol, find_pc_psymbol): Remove.
	(fixup_section): No longer static.
	(fixup_psymbol_section): Remove.
	(lookup_symbol_aux): Use lookup_symbol_aux_quick.
	(lookup_global_symbol_from_objfile): Likewise.
	(lookup_symbol_aux_psymtabs): Remove.
	(lookup_symbol_aux_quick): New function.
	(lookup_symbol_global): Use lookup_symbol_aux_quick.
	(lookup_partial_symbol): Remove.
	(basic_lookup_transparent_type_quick): New function.
	(basic_lookup_transparent_type): Use it.
	(find_main_psymtab): Remove.
	(find_main_filename): New function.
	(find_pc_sect_symtab): Use find_pc_sect_symtab method.
	(find_line_symtab): Use expand_symtabs_with_filename method.
	(output_partial_symbol_filename): New function.
	(sources_info): Use map_partial_symbol_filenames.
	(struct search_symbols_data): New type.
	(search_symbols_file_matches): New function.
	(search_symbols_name_matches): Likewise.
	(search_symbols): Use expand_symtabs_matching method.
	(struct add_name_data): Rename from add_macro_name_data.
	(add_macro_name): Update.
	(add_partial_symbol_name): New function.
	(default_make_symbol_completion_list): Use
	map_partial_symbol_names.
	(struct add_partial_symbol_name): New type.
	(maybe_add_partial_symtab_filename): New function.
	(make_source_files_completion_list): Use
	map_partial_symbol_filenames.
	(expand_line_sal): Use expand_symtabs_with_filename method.
	* symmisc.c: Include psymtab.h.
	(print_objfile_statistics): Use print_stats method.
	(dump_objfile): Use dump method.
	(dump_psymtab, maintenance_print_psymbols)
	(maintenance_info_psymtabs, maintenance_check_symtabs)
	(extend_psymbol_list): Remove.
	* symfile.h (struct quick_symbol_functions): New struct.
	(struct sym_fns) <qf>: New field.
	(sort_pst_symbols): Remove.
	(increment_reading_symtab): Declare.
	* symfile.c: Include psymtab.h.
	(compare_psymbols, sort_pst_symbols): Remove.
	(psymtab_to_symtab): Remove.
	(increment_reading_symtab): New function.
	(symbol_file_add_with_addrs_or_offsets): Use expand_all_symtabs
	method.
	(set_initial_language): Use find_main_filename.
	(allocate_psymtab, discard_psymtab, cashier_psymtab): Remove.
	(free_named_symtabs): Remove unused code.
	(start_psymtab_common, add_psymbol_to_bcache)
	(append_psymbol_to_list, add_psymbol_to_list, init_psymbol_list):
	Remove.
	* stack.c: Include psymtab.h, symfile.h.
	(backtrace_command_1): Use find_pc_sect_symtab_via_partial.
	* source.h (psymtab_to_fullname): Don't declare.
	* source.c: Include psymtab.h.
	(select_source_symtab): Use find_last_source_symtab method.
	(forget_cached_source_info): Use forget_cached_source_info
	method.
	(find_and_open_source): No longer static.
	(psymtab_to_fullname): Remove.
	* somread.c: Include psymtab.h.
	(som_sym_fns): Update.
	* psympriv.h: New file.
	* psymtab.h: New file.
	* psymtab.c: New file.
	* objfiles.h: (ALL_OBJFILE_PSYMTABS): Remove.
	(ALL_PSYMTABS, ALL_PSPACE_PSYMTABS): Likewise.
	* objfiles.c: Include psymtab.h.
	(objfile_relocate1): Use relocate method.
	(objfile_has_partial_symbols): Use has_symbols method.
	* mipsread.c: Include psymtab.h.
	(ecoff_sym_fns): Update.
	* mi/mi-cmd-file.c: Include psymtab.h.
	(print_partial_file_name): New function.
	(mi_cmd_file_list_exec_source_files): Use
	map_partial_symbol_filenames.
	* mdebugread.c: Include psympriv.h.
	* machoread.c: Include psympriv.h.
	(macho_sym_fns): Update.
	* m2-exp.y (yylex): Use lookup_symtab.
	* elfread.c: Include psympriv.h.
	(elf_sym_fns): Update.
	* dwarf2read.c: Include psympriv.h.
	* dbxread.c: Include psympriv.h.
	(aout_sym_fns): Update.
	* cp-support.c: Include psymtab.h.
	(read_in_psymtabs): Remove.
	(make_symbol_overload_list_qualified): Use
	expand_symtabs_for_function method.
	* coffread.c: Include psympriv.h.
	(coff_sym_fns): Update.
	* blockframe.c: Include psymtab.h.
	(find_pc_partial_function): Use find_pc_sect_symtab method.
	* ada-lang.h (ada_update_initial_language): Update.
	* ada-lang.c: Include psymtab.h.
	(ada_update_initial_language): Remove 'main_pst' argument.
	(ada_lookup_partial_symbol): Remove.
	(struct ada_psym_data): New type.
	(ada_add_psyms): New function.
	(ada_add_non_local_symbols): Use map_ada_symtabs method.
	(struct add_partial_datum): New type.
	(ada_add_partial_symbol_completions): New function.
	(ada_make_symbol_completion_list): Use map_partial_symbol_names.
	(ada_exception_support_info_sniffer): Update.
	* Makefile.in (SFILES): Add psymtab.c.
	(COMMON_OBS): Add psymtab.o.
	(HFILES_NO_SRCDIR): Add psymtab.h, psympriv.h.
gdb/doc
	* gdbint.texinfo (Symbol Handling): Update.
2010-03-10 18:20:08 +00:00

592 lines
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/* Definitions for reading symbol files into GDB.
Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#if !defined (SYMFILE_H)
#define SYMFILE_H
/* This file requires that you first include "bfd.h". */
#include "symtab.h"
/* Opaque declarations. */
struct target_section;
struct objfile;
struct obj_section;
struct obstack;
struct block;
/* Partial symbols are stored in the psymbol_cache and pointers to
them are kept in a dynamically grown array that is obtained from
malloc and grown as necessary via realloc. Each objfile typically
has two of these, one for global symbols and one for static
symbols. Although this adds a level of indirection for storing or
accessing the partial symbols, it allows us to throw away duplicate
psymbols and set all pointers to the single saved instance. */
struct psymbol_allocation_list
{
/* Pointer to beginning of dynamically allocated array of pointers
to partial symbols. The array is dynamically expanded as
necessary to accommodate more pointers. */
struct partial_symbol **list;
/* Pointer to next available slot in which to store a pointer to a
partial symbol. */
struct partial_symbol **next;
/* Number of allocated pointer slots in current dynamic array (not
the number of bytes of storage). The "next" pointer will always
point somewhere between list[0] and list[size], and when at
list[size] the array will be expanded on the next attempt to
store a pointer. */
int size;
};
/* Define an array of addresses to accommodate non-contiguous dynamic
loading of modules. This is for use when entering commands, so we
can keep track of the section names until we read the file and can
map them to bfd sections. This structure is also used by solib.c
to communicate the section addresses in shared objects to
symbol_file_add (). */
struct section_addr_info
{
/* The number of sections for which address information is
available. */
size_t num_sections;
/* Sections whose names are file format dependent. */
struct other_sections
{
CORE_ADDR addr;
char *name;
/* SECTINDEX must be valid for associated BFD if ADDR is not zero. */
int sectindex;
} other[1];
};
/* A table listing the load segments in a symfile, and which segment
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;
/* If NUM_SEGMENTS is greater than zero, the original base address
of each segment. */
CORE_ADDR *segment_bases;
/* If NUM_SEGMENTS is greater than zero, the memory size of each
segment. */
CORE_ADDR *segment_sizes;
/* 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
S, or zero if it is not in any segment. */
int *segment_info;
};
/* The "quick" symbol functions exist so that symbol readers can
avoiding an initial read of all the symbols. For example, symbol
readers might choose to use the "partial symbol table" utilities,
which is one implementation of the quick symbol functions.
The quick symbol functions are generally opaque: the underlying
representation is hidden from the caller.
In general, these functions should only look at whatever special
index the symbol reader creates -- looking through the symbol
tables themselves is handled by generic code. If a function is
defined as returning a "symbol table", this means that the function
should only return a newly-created symbol table; it should not
examine pre-existing ones.
The exact list of functions here was determined in an ad hoc way
based on gdb's history. */
struct quick_symbol_functions
{
/* Return true if this objfile has any "partial" symbols
available. */
int (*has_symbols) (struct objfile *objfile);
/* Return the symbol table for the "last" file appearing in
OBJFILE. */
struct symtab *(*find_last_source_symtab) (struct objfile *objfile);
/* Forget all cached full file names for OBJFILE. */
void (*forget_cached_source_info) (struct objfile *objfile);
/* Look up the symbol table, in OBJFILE, of a source file named
NAME. If there is no '/' in the name, a match after a '/' in the
symbol table's file name will also work. FULL_PATH is the
absolute file name, and REAL_PATH is the same, run through
gdb_realpath.
If no such symbol table can be found, returns 0.
Otherwise, sets *RESULT to the symbol table and returns 1. This
might return 1 and set *RESULT to NULL if the requested file is
an include file that does not have a symtab of its own. */
int (*lookup_symtab) (struct objfile *objfile,
const char *name,
const char *full_path,
const char *real_path,
struct symtab **result);
/* Check to see if the symbol is defined in a "partial" symbol table
of OBJFILE. KIND should be either GLOBAL_BLOCK or STATIC_BLOCK,
depending on whether we want to search global symbols or static
symbols. NAME is the name of the symbol to look for. DOMAIN
indicates what sort of symbol to search for.
Returns the newly-expanded symbol table in which the symbol is
defined, or NULL if no such symbol table exists. */
struct symtab *(*lookup_symbol) (struct objfile *objfile,
int kind, const char *name,
domain_enum domain);
/* Print statistics about any indices loaded for OBJFILE. The
statistics should be printed to gdb_stdout. This is used for
"maint print statistics". */
void (*print_stats) (struct objfile *objfile);
/* Dump any indices loaded for OBJFILE. The dump should go to
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,
struct section_offsets *new_offsets,
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,
const char *func_name);
/* Read all symbol tables associated with OBJFILE. */
void (*expand_all_symtabs) (struct objfile *objfile);
/* Read all symbol tables associated with OBJFILE which have the
file name FILENAME. */
void (*expand_symtabs_with_filename) (struct objfile *objfile,
const char *filename);
/* Return the file name of the file holding the symbol in OBJFILE
named NAME. If no such symbol exists in OBJFILE, return NULL. */
char *(*find_symbol_file) (struct objfile *objfile, const char *name);
/* This method is specific to Ada. It walks the partial symbol
tables of OBJFILE looking for a name match. WILD_MATCH and
IS_NAME_SUFFIX are predicate functions that the implementation
may call to check for a match.
This function is completely ad hoc and new implementations should
refer to the psymtab implementation to see what to do. */
void (*map_ada_symtabs) (struct objfile *objfile,
int (*wild_match) (const char *, int, const char *),
int (*is_name_suffix) (const char *),
void (*callback) (struct objfile *,
struct symtab *, void *),
const char *name, int global,
domain_enum namespace, int wild,
void *data);
/* Expand all symbol tables in OBJFILE matching some criteria.
FILE_MATCHER is called for each file in OBJFILE. The file name
and the DATA argument are passed to it. If it returns zero, this
file is skipped.
Otherwise, if the file is not skipped, then NAME_MATCHER is
called for each symbol defined in the file. The symbol's
"natural" name and DATA are passed to NAME_MATCHER.
If NAME_MATCHER returns zero, then this symbol is skipped.
Otherwise, if this symbol is not skipped, and it matches KIND,
then this symbol's symbol table is expanded.
DATA is user data that is passed unmodified to the callback
functions. */
void (*expand_symtabs_matching) (struct objfile *objfile,
int (*file_matcher) (const char *, void *),
int (*name_matcher) (const char *, void *),
domain_enum kind,
void *data);
/* Return the symbol table from OBJFILE that contains PC and
SECTION. Return NULL if there is no such symbol table. This
should return the symbol table that contains a symbol whose
address exactly matches PC, or, if there is no exact match, the
symbol table that contains a symbol whose address is closest to
PC. */
struct symtab *(*find_pc_sect_symtab) (struct objfile *objfile,
struct minimal_symbol *msymbol,
CORE_ADDR pc,
struct obj_section *section,
int warn_if_readin);
/* Call a callback for every symbol defined in OBJFILE. FUN is the
callback. It is passed the symbol's natural name, and the DATA
passed to this function. */
void (*map_symbol_names) (struct objfile *objfile,
void (*fun) (const char *, void *),
void *data);
/* Call a callback for every file defined in OBJFILE. FUN is the
callback. It is passed the file's name, the file's full name,
and the DATA passed to this function. */
void (*map_symbol_filenames) (struct objfile *objfile,
void (*fun) (const char *, const char *,
void *),
void *data);
};
/* Structure to keep track of symbol reading functions for various
object file types. */
struct sym_fns
{
/* BFD flavour that we handle, or (as a special kludge, see
xcoffread.c, (enum bfd_flavour)-1 for xcoff). */
enum bfd_flavour sym_flavour;
/* Initializes anything that is global to the entire symbol table.
It is called during symbol_file_add, when we begin debugging an
entirely new program. */
void (*sym_new_init) (struct objfile *);
/* Reads any initial information from a symbol file, and initializes
the struct sym_fns SF in preparation for sym_read(). It is
called every time we read a symbol file for any reason. */
void (*sym_init) (struct objfile *);
/* sym_read (objfile, symfile_flags) Reads a symbol file into a psymtab
(or possibly a symtab). OBJFILE is the objfile struct for the
file we are reading. SYMFILE_FLAGS are the flags passed to
symbol_file_add & co. */
void (*sym_read) (struct objfile *, int);
/* Called when we are finished with an objfile. Should do all
cleanup that is specific to the object file format for the
particular objfile. */
void (*sym_finish) (struct objfile *);
/* This function produces a file-dependent section_offsets
structure, allocated in the objfile's storage, and based on the
parameter. The parameter is currently a CORE_ADDR (FIXME!) for
backward compatibility with the higher levels of GDB. It should
probably be changed to a string, where NULL means the default,
and others are parsed in a file dependent way. */
void (*sym_offsets) (struct objfile *, struct section_addr_info *);
/* This function produces a format-independent description of
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);
/* This function should read the linetable from the objfile when
the line table cannot be read while processing the debugging
information. */
void (*sym_read_linetable) (void);
/* Relocate the contents of a debug section SECTP. The
contents are stored in BUF if it is non-NULL, or returned in a
malloc'd buffer otherwise. */
bfd_byte *(*sym_relocate) (struct objfile *, asection *sectp, bfd_byte *buf);
/* The "quick" (aka partial) symbol functions for this symbol
reader. */
const struct quick_symbol_functions *qf;
/* Finds the next struct sym_fns. They are allocated and
initialized in whatever module implements the functions pointed
to; an initializer calls add_symtab_fns to add them to the global
chain. */
struct sym_fns *next;
};
extern struct section_addr_info *
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,
struct section_addr_info *addrs);
extern void addr_info_make_relative (struct section_addr_info *addrs,
bfd *abfd);
/* The default version of sym_fns.sym_offsets for readers that don't
do anything special. */
extern void default_symfile_offsets (struct objfile *objfile,
struct section_addr_info *);
/* 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);
/* The default version of sym_fns.sym_relocate for readers that don't
do anything special. */
extern bfd_byte *default_symfile_relocate (struct objfile *objfile,
asection *sectp, bfd_byte *buf);
extern void extend_psymbol_list (struct psymbol_allocation_list *,
struct objfile *);
/* Add any kind of symbol to a psymbol_allocation_list. */
/* #include "demangle.h" */
extern const
struct partial_symbol *add_psymbol_to_list (char *, int, int, domain_enum,
enum address_class,
struct psymbol_allocation_list *,
long, CORE_ADDR,
enum language, struct objfile *);
extern void init_psymbol_list (struct objfile *, int);
extern struct symtab *allocate_symtab (char *, struct objfile *);
extern void add_symtab_fns (struct sym_fns *);
/* This enum encodes bit-flags passed as ADD_FLAGS parameter to
syms_from_objfile, symbol_file_add, etc. */
enum symfile_add_flags
{
/* Be chatty about what you are doing. */
SYMFILE_VERBOSE = 1 << 1,
/* This is the main symbol file (as opposed to symbol file for dynamically
loaded code). */
SYMFILE_MAINLINE = 1 << 2,
/* Do not call breakpoint_re_set when adding this symbol file. */
SYMFILE_DEFER_BP_RESET = 1 << 3
};
extern void syms_from_objfile (struct objfile *,
struct section_addr_info *,
struct section_offsets *, int, int);
extern void new_symfile_objfile (struct objfile *, int);
extern struct objfile *symbol_file_add (char *, int,
struct section_addr_info *, int);
extern struct objfile *symbol_file_add_from_bfd (bfd *, int,
struct section_addr_info *,
int);
extern void symbol_file_add_separate (bfd *, int, struct objfile *);
extern char *find_separate_debug_file_by_debuglink (struct objfile *);
/* Create a new section_addr_info, with room for NUM_SECTIONS. */
extern struct section_addr_info *alloc_section_addr_info (size_t
num_sections);
/* Build (allocate and populate) a section_addr_info struct from an
existing section table. */
extern struct section_addr_info
*build_section_addr_info_from_section_table (const struct target_section
*start,
const struct target_section
*end);
/* Free all memory allocated by
build_section_addr_info_from_section_table. */
extern void free_section_addr_info (struct section_addr_info *);
extern struct partial_symtab *start_psymtab_common (struct objfile *,
struct section_offsets *,
const char *, CORE_ADDR,
struct partial_symbol **,
struct partial_symbol **);
/* Make a copy of the string at PTR with SIZE characters in the symbol
obstack (and add a null character at the end in the copy). Returns
the address of the copy. */
extern char *obsavestring (const char *, int, struct obstack *);
/* Concatenate strings S1, S2 and S3; return the new string. Space is
found in the OBSTACKP */
extern char *obconcat (struct obstack *obstackp, const char *, const char *,
const char *);
/* Variables */
/* If non-zero, 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
will be excessive, and so if this is a problem, the user can clear
this flag and then add the shared library symbols as needed. Note
that there is a potential for confusion, since if the shared
library symbols are not loaded, commands like "info fun" will *not*
report all the functions that are actually present. */
extern int auto_solib_add;
/* For systems that support it, a threshold size in megabytes. If
automatically adding a new library's symbol table to those already
known to the debugger would cause the total shared library symbol
size to exceed this threshhold, then the shlib's symbols are not
added. The threshold is ignored if the user explicitly asks for a
shlib to be added, such as when using the "sharedlibrary" command. */
extern int auto_solib_limit;
/* From symfile.c */
extern void set_initial_language (void);
extern struct partial_symtab *allocate_psymtab (const char *,
struct objfile *);
extern void discard_psymtab (struct partial_symtab *);
extern void find_lowest_section (bfd *, asection *, void *);
extern bfd *symfile_bfd_open (char *);
extern bfd *bfd_open_maybe_remote (const char *);
extern int get_section_index (struct objfile *, char *);
/* Utility functions for overlay sections: */
extern enum overlay_debugging_state
{
ovly_off,
ovly_on,
ovly_auto
} overlay_debugging;
extern int overlay_cache_invalid;
/* Return the "mapped" overlay section containing the PC. */
extern struct obj_section *find_pc_mapped_section (CORE_ADDR);
/* Return any overlay section containing the PC (even in its LMA
region). */
extern struct obj_section *find_pc_overlay (CORE_ADDR);
/* Return true if the section is an overlay. */
extern int section_is_overlay (struct obj_section *);
/* Return true if the overlay section is currently "mapped". */
extern int section_is_mapped (struct obj_section *);
/* Return true if pc belongs to section's VMA. */
extern CORE_ADDR pc_in_mapped_range (CORE_ADDR, struct obj_section *);
/* Return true if pc belongs to section's LMA. */
extern CORE_ADDR pc_in_unmapped_range (CORE_ADDR, struct obj_section *);
/* Map an address from a section's LMA to its VMA. */
extern CORE_ADDR overlay_mapped_address (CORE_ADDR, struct obj_section *);
/* Map an address from a section's VMA to its LMA. */
extern CORE_ADDR overlay_unmapped_address (CORE_ADDR, struct obj_section *);
/* Convert an address in an overlay section (force into VMA range). */
extern CORE_ADDR symbol_overlayed_address (CORE_ADDR, struct obj_section *);
/* Load symbols from a file. */
extern void symbol_file_add_main (char *args, int from_tty);
/* Clear GDB symbol tables. */
extern void symbol_file_clear (int from_tty);
/* Default overlay update function. */
extern void simple_overlay_update (struct obj_section *);
extern bfd_byte *symfile_relocate_debug_section (struct objfile *, asection *,
bfd_byte *);
extern int symfile_map_offsets_to_segments (bfd *,
struct symfile_segment_data *,
struct 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);
extern struct cleanup *increment_reading_symtab (void);
/* From dwarf2read.c */
extern int dwarf2_has_info (struct objfile *);
extern void dwarf2_build_psymtabs (struct objfile *);
extern void dwarf2_build_frame_info (struct objfile *);
void dwarf2_free_objfile (struct objfile *);
/* From mdebugread.c */
/* Hack to force structures to exist before use in parameter list. */
struct ecoff_debug_hack
{
struct ecoff_debug_swap *a;
struct ecoff_debug_info *b;
};
extern void mdebug_build_psymtabs (struct objfile *,
const struct ecoff_debug_swap *,
struct ecoff_debug_info *);
extern void elfmdebug_build_psymtabs (struct objfile *,
const struct ecoff_debug_swap *,
asection *);
#endif /* !defined(SYMFILE_H) */
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