/* 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 Free Software Foundation, Inc.
+ Copyright (C) 1990-2013 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 2 of the License, or
+ 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,
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, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ 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"
+#include "probe.h"
/* Opaque declarations. */
-struct section_table;
+struct target_section;
struct objfile;
struct obj_section;
struct obstack;
struct block;
+struct probe;
+struct value;
+struct frame_info;
+struct agent_expr;
+struct axs_value;
+
+/* Comparison function for symbol look ups. */
+
+typedef int (symbol_compare_ftype) (const char *string1,
+ const char *string2);
/* Partial symbols are stored in the psymbol_cache and pointers to
them are kept in a dynamically grown array that is obtained from
/* The number of sections for which address information is
available. */
size_t num_sections;
- /* Sections whose names are file format dependent. */
+ /* Sections whose names are file format dependent. */
struct other_sections
{
CORE_ADDR addr;
char *name;
+
+ /* SECTINDEX must be valid for associated BFD or set to -1. */
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
CORE_ADDR *segment_sizes;
/* If NUM_SEGMENTS is greater than zero, this is an array of entries
- recording which segment contains each BFD section. It is
- ordered by section index. A zero means that the section is not
- in any segment. */
+ 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;
};
-/* Structure to keep track of symbol reading functions for various
- object file types. */
+/* Callback for quick_symbol_functions->map_symbol_filenames. */
-struct sym_fns
+typedef void (symbol_filename_ftype) (const char *filename,
+ const char *fullname, void *data);
+
+/* 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);
+
+ /* Expand and iterate over each "partial" symbol table in OBJFILE
+ where the source file is named NAME.
+
+ If NAME is not absolute, a match after a '/' in the symbol table's
+ file name will also work, REAL_PATH is NULL then. If NAME is
+ absolute then REAL_PATH is non-NULL absolute file name as resolved
+ via gdb_realpath from NAME.
+
+ If a match is found, the "partial" symbol table is expanded.
+ Then, this calls iterate_over_some_symtabs (or equivalent) over
+ all newly-created symbol tables, passing CALLBACK and DATA to it.
+ The result of this call is returned. */
+ int (*map_symtabs_matching_filename) (struct objfile *objfile,
+ const char *name,
+ const char *real_path,
+ int (*callback) (struct symtab *,
+ void *),
+ void *data);
+
+ /* 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. If OBJFILE
+ contains !TYPE_OPAQUE symbol prefer its symtab. If it contains
+ only TYPE_OPAQUE symbol(s), return at least that symtab. */
+ 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,
+ const struct section_offsets *new_offsets,
+ const 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
+ symtab_to_fullname equal to FULLNAME.
+ This is for the purposes of examining code only, e.g., expand_line_sal.
+ The routine may ignore debug info that is known to not be useful with
+ code, e.g., DW_TAG_type_unit for dwarf debug info. */
+ void (*expand_symtabs_with_fullname) (struct objfile *objfile,
+ const char *fullname);
+
+ /* Find global or static symbols in all tables that are in NAMESPACE
+ and for which MATCH (symbol name, NAME) == 0, passing each to
+ CALLBACK, reading in partial symbol tables as needed. Look
+ through global symbols if GLOBAL and otherwise static symbols.
+ Passes NAME, NAMESPACE, and DATA to CALLBACK with each symbol
+ found. After each block is processed, passes NULL to CALLBACK.
+ MATCH must be weaker than strcmp_iw_ordered in the sense that
+ strcmp_iw_ordered(x,y) == 0 --> MATCH(x,y) == 0. ORDERED_COMPARE,
+ if non-null, must be an ordering relation compatible with
+ strcmp_iw_ordered in the sense that
+ strcmp_iw_ordered(x,y) == 0 --> ORDERED_COMPARE(x,y) == 0
+ and
+ strcmp_iw_ordered(x,y) <= 0 --> ORDERED_COMPARE(x,y) <= 0
+ (allowing strcmp_iw_ordered(x,y) < 0 while ORDERED_COMPARE(x, y) == 0).
+ CALLBACK returns 0 to indicate that the scan should continue, or
+ non-zero to indicate that the scan should be terminated. */
+
+ void (*map_matching_symbols) (struct objfile *,
+ const char *name, domain_enum namespace,
+ int global,
+ int (*callback) (struct block *,
+ struct symbol *, void *),
+ void *data,
+ symbol_compare_ftype *match,
+ symbol_compare_ftype *ordered_compare);
+
+ /* 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. If FILE_MATCHER is NULL such file is not skipped.
+ If BASENAMES is non-zero the function should consider only base name of
+ DATA (passed file name is already only the lbasename part).
+
+ Otherwise, if KIND does not match this symbol is skipped.
+
+ If even KIND matches, then NAME_MATCHER is called for each symbol
+ defined in the file. The symbol "search" name and DATA are passed
+ to NAME_MATCHER.
+
+ If NAME_MATCHER returns zero, then this symbol is skipped.
+
+ Otherwise, 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 basenames),
+ int (*name_matcher) (const char *, void *),
+ enum search_domain 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 file defined in OBJFILE whose symtab is
+ not already read in. FUN is the callback. It is passed the file's
+ FILENAME, the file's FULLNAME (if need_fullname is non-zero), and
+ the DATA passed to this function. */
+ void (*map_symbol_filenames) (struct objfile *objfile,
+ symbol_filename_ftype *fun, void *data,
+ int need_fullname);
+};
- /* BFD flavour that we handle, or (as a special kludge, see
- xcoffread.c, (enum bfd_flavour)-1 for xcoff). */
+/* Structure of functions used for probe support. If one of these functions
+ is provided, all must be. */
- enum bfd_flavour sym_flavour;
+struct sym_probe_fns
+{
+ /* If non-NULL, return an array of probe objects.
+
+ The returned value does not have to be freed and it has lifetime of the
+ OBJFILE. */
+ VEC (probe_p) *(*sym_get_probes) (struct objfile *);
+
+ /* Return the number of arguments available to PROBE. PROBE will
+ have come from a call to this objfile's sym_get_probes method.
+ If you provide an implementation of sym_get_probes, you must
+ implement this method as well. */
+ unsigned (*sym_get_probe_argument_count) (struct probe *probe);
+
+ /* Return 1 if the probe interface can evaluate the arguments of probe
+ PROBE, zero otherwise. This function can be probe-specific, informing
+ whether only the arguments of PROBE can be evaluated, of generic,
+ informing whether the probe interface is able to evaluate any kind of
+ argument. If you provide an implementation of sym_get_probes, you must
+ implement this method as well. */
+ int (*can_evaluate_probe_arguments) (struct probe *probe);
+
+ /* Evaluate the Nth argument available to PROBE. PROBE will have
+ come from a call to this objfile's sym_get_probes method. N will
+ be between 0 and the number of arguments available to this probe.
+ FRAME is the frame in which the evaluation is done; the frame's
+ PC will match the address of the probe. If you provide an
+ implementation of sym_get_probes, you must implement this method
+ as well. */
+ struct value *(*sym_evaluate_probe_argument) (struct probe *probe,
+ unsigned n);
+
+ /* Compile the Nth probe argument to an agent expression. PROBE
+ will have come from a call to this objfile's sym_get_probes
+ method. N will be between 0 and the number of arguments
+ available to this probe. EXPR and VALUE are the agent expression
+ that is being updated. */
+ void (*sym_compile_to_ax) (struct probe *probe,
+ struct agent_expr *expr,
+ struct axs_value *value,
+ unsigned n);
+
+ /* Relocate the probe section of OBJFILE. */
+ void (*sym_relocate_probe) (struct objfile *objfile,
+ const struct section_offsets *new_offsets,
+ const struct section_offsets *delta);
+};
+
+/* Structure to keep track of symbol reading functions for various
+ object file types. */
+struct sym_fns
+{
/* 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_init) (struct objfile *);
- /* sym_read (objfile, mainline) Reads a symbol file into a psymtab
+ /* 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. MAINLINE is 1 if this is the main symbol
- table being read, and 0 if a secondary symbol file (e.g. shared
- library or dynamically loaded file) is being read. */
+ file we are reading. SYMFILE_FLAGS are the flags passed to
+ symbol_file_add & co. */
void (*sym_read) (struct objfile *, int);
+ /* Read the partial symbols for an objfile. This may be NULL, in which case
+ gdb has to check other ways if this objfile has any symbols. This may
+ only be non-NULL if the objfile actually does have debuginfo available.
+ */
+
+ void (*sym_read_psymbols) (struct objfile *);
+
/* Called when we are finished with an objfile. Should do all
cleanup that is specific to the object file format for the
particular objfile. */
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 *);
+ void (*sym_offsets) (struct objfile *, const struct section_addr_info *);
/* This function produces a format-independent description of
the segments of ABFD. Each segment is a unit of the file
struct symfile_segment_data *(*sym_segments) (bfd *abfd);
- /* 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. */
+ /* 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) (struct objfile *);
+
+ /* 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);
- struct sym_fns *next;
+ /* If non-NULL, this objfile has probe support, and all the probe
+ functions referred to here will be non-NULL. */
+ const struct sym_probe_fns *sym_probe_fns;
+ /* The "quick" (aka partial) symbol functions for this symbol
+ reader. */
+ const struct quick_symbol_functions *qf;
};
+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,
+ const 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 *);
+ const 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);
-extern void extend_psymbol_list (struct psymbol_allocation_list *,
- struct objfile *);
+/* The default version of sym_fns.sym_relocate for readers that don't
+ do anything special. */
-/* Add any kind of symbol to a psymbol_allocation_list. */
+extern bfd_byte *default_symfile_relocate (struct objfile *objfile,
+ asection *sectp, bfd_byte *buf);
-/* #include "demangle.h" */
+extern struct symtab *allocate_symtab (const char *, struct objfile *)
+ ATTRIBUTE_NONNULL (1);
-extern const
-struct partial_symbol *add_psymbol_to_list (char *, int, domain_enum,
- enum address_class,
- struct psymbol_allocation_list *,
- long, CORE_ADDR,
- enum language, struct objfile *);
+extern void add_symtab_fns (enum bfd_flavour flavour, const struct sym_fns *);
-extern void init_psymbol_list (struct objfile *, int);
+/* This enum encodes bit-flags passed as ADD_FLAGS parameter to
+ symbol_file_add, etc. */
-extern void sort_pst_symbols (struct partial_symtab *);
+enum symfile_add_flags
+ {
+ /* Be chatty about what you are doing. */
+ SYMFILE_VERBOSE = 1 << 1,
-extern struct symtab *allocate_symtab (char *, struct objfile *);
+ /* This is the main symbol file (as opposed to symbol file for dynamically
+ loaded code). */
+ SYMFILE_MAINLINE = 1 << 2,
-extern int free_named_symtabs (char *);
+ /* Do not call breakpoint_re_set when adding this symbol file. */
+ SYMFILE_DEFER_BP_RESET = 1 << 3,
-extern void fill_in_vptr_fieldno (struct type *);
+ /* Do not immediately read symbols for this file. By default,
+ symbols are read when the objfile is created. */
+ SYMFILE_NO_READ = 1 << 4
+ };
-extern void add_symtab_fns (struct sym_fns *);
+extern void new_symfile_objfile (struct objfile *, int);
-extern void syms_from_objfile (struct objfile *,
- struct section_addr_info *,
- struct section_offsets *, int, int, int);
+extern struct objfile *symbol_file_add (const char *, int,
+ struct section_addr_info *, int);
-extern void new_symfile_objfile (struct objfile *, int, int);
+extern struct objfile *symbol_file_add_from_bfd (bfd *, const char *, int,
+ struct section_addr_info *,
+ int, struct objfile *parent);
-extern struct objfile *symbol_file_add (char *, int,
- struct section_addr_info *, int, int);
+extern void symbol_file_add_separate (bfd *, const char *, int,
+ struct objfile *);
-extern struct objfile *symbol_file_add_from_bfd (bfd *, int,
- struct section_addr_info *,
- int, int);
+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);
-/* Return a freshly allocated copy of ADDRS. The section names, if
- any, are also freshly allocated copies of those in ADDRS. */
-extern struct section_addr_info *(copy_section_addr_info
- (struct section_addr_info *addrs));
-
/* 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 section_table
+ *build_section_addr_info_from_section_table (const struct target_section
*start,
- const struct section_table
+ const struct target_section
*end);
/* Free all memory allocated by
extern void free_section_addr_info (struct section_addr_info *);
-extern struct partial_symtab *start_psymtab_common (struct objfile *,
- struct section_offsets *,
- 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
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 struct partial_symtab *allocate_psymtab (char *, struct objfile *);
-
-extern void discard_psymtab (struct partial_symtab *);
+extern void set_initial_language (void);
extern void find_lowest_section (bfd *, asection *, void *);
-extern bfd *symfile_bfd_open (char *);
+extern bfd *symfile_bfd_open (const char *);
+
+extern bfd *gdb_bfd_open_maybe_remote (const char *);
extern int get_section_index (struct objfile *, char *);
extern int overlay_cache_invalid;
/* Return the "mapped" overlay section containing the PC. */
-extern asection *find_pc_mapped_section (CORE_ADDR);
+extern struct obj_section *find_pc_mapped_section (CORE_ADDR);
/* Return any overlay section containing the PC (even in its LMA
region). */
-extern asection *find_pc_overlay (CORE_ADDR);
+extern struct obj_section *find_pc_overlay (CORE_ADDR);
/* Return true if the section is an overlay. */
-extern int section_is_overlay (asection *);
+extern int section_is_overlay (struct obj_section *);
/* Return true if the overlay section is currently "mapped". */
-extern int section_is_mapped (asection *);
+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, asection *);
+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, asection *);
+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, asection *);
+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, asection *);
+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, asection *);
+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);
+extern void symbol_file_add_main (const 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 (bfd *abfd, asection *sectp,
- bfd_byte * buf);
+extern bfd_byte *symfile_relocate_debug_section (struct objfile *, asection *,
+ bfd_byte *);
extern int symfile_map_offsets_to_segments (bfd *,
- struct symfile_segment_data *,
+ const 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 *);
+/* Names for a dwarf2 debugging section. The field NORMAL is the normal
+ section name (usually from the DWARF standard), while the field COMPRESSED
+ is the name of compressed sections. If your object file format doesn't
+ support compressed sections, the field COMPRESSED can be NULL. Likewise,
+ the debugging section is not supported, the field NORMAL can be NULL too.
+ It doesn't make sense to have a NULL NORMAL field but a non-NULL COMPRESSED
+ field. */
+
+struct dwarf2_section_names {
+ const char *normal;
+ const char *compressed;
+};
-extern void dwarf2_build_psymtabs (struct objfile *, int);
-extern void dwarf2_build_frame_info (struct objfile *);
+/* List of names for dward2 debugging sections. Also most object file formats
+ use the standardized (ie ELF) names, some (eg XCOFF) have customized names
+ due to restrictions.
+ The table for the standard names is defined in dwarf2read.c. Please
+ update all instances of dwarf2_debug_sections if you add a field to this
+ structure. It is always safe to use { NULL, NULL } in this case. */
+
+struct dwarf2_debug_sections {
+ struct dwarf2_section_names info;
+ struct dwarf2_section_names abbrev;
+ struct dwarf2_section_names line;
+ struct dwarf2_section_names loc;
+ struct dwarf2_section_names macinfo;
+ struct dwarf2_section_names macro;
+ struct dwarf2_section_names str;
+ struct dwarf2_section_names ranges;
+ struct dwarf2_section_names types;
+ struct dwarf2_section_names addr;
+ struct dwarf2_section_names frame;
+ struct dwarf2_section_names eh_frame;
+ struct dwarf2_section_names gdb_index;
+ /* This field has no meaning, but exists solely to catch changes to
+ this structure which are not reflected in some instance. */
+ int sentinel;
+};
-/* From mdebugread.c */
+extern int dwarf2_has_info (struct objfile *,
+ const struct dwarf2_debug_sections *);
-/* 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;
+/* Dwarf2 sections that can be accessed by dwarf2_get_section_info. */
+enum dwarf2_section_enum {
+ DWARF2_DEBUG_FRAME,
+ DWARF2_EH_FRAME
};
+extern void dwarf2_get_section_info (struct objfile *,
+ enum dwarf2_section_enum,
+ asection **, const gdb_byte **,
+ bfd_size_type *);
+
+extern int dwarf2_initialize_objfile (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 */
+
extern void mdebug_build_psymtabs (struct objfile *,
const struct ecoff_debug_swap *,
struct ecoff_debug_info *);
const struct ecoff_debug_swap *,
asection *);
+/* From minidebug.c. */
+
+extern bfd *find_separate_debug_file_in_section (struct objfile *);
+
#endif /* !defined(SYMFILE_H) */
projects / deliverable / binutils-gdb.git / blobdiff