/* 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 Free Software Foundation, Inc.
+ 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009, 2010
+ Free Software Foundation, Inc.
This file is part of GDB.
#include "symtab.h"
/* Opaque declarations. */
-struct section_table;
+struct target_section;
struct objfile;
struct obj_section;
struct obstack;
{
CORE_ADDR addr;
char *name;
+
+ /* SECTINDEX must be valid for associated BFD if ADDR is not zero. */
int sectindex;
} other[1];
};
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);
/* 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);
+
/* 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
};
+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 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 *);
/* #include "demangle.h" */
extern const
-struct partial_symbol *add_psymbol_to_list (char *, int, domain_enum,
+struct partial_symbol *add_psymbol_to_list (char *, int, int, domain_enum,
enum address_class,
struct psymbol_allocation_list *,
long, CORE_ADDR,
extern struct symtab *allocate_symtab (char *, struct objfile *);
-extern int free_named_symtabs (char *);
+extern void add_symtab_fns (struct sym_fns *);
-extern void fill_in_vptr_fieldno (struct type *);
+/* This enum encodes bit-flags passed as ADD_FLAGS parameter to
+ syms_from_objfile, symbol_file_add, etc. */
-extern void add_symtab_fns (struct sym_fns *);
+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, int);
+ struct section_offsets *, int, int);
-extern void new_symfile_objfile (struct objfile *, int, int);
+extern void new_symfile_objfile (struct objfile *, int);
extern struct objfile *symbol_file_add (char *, int,
- struct section_addr_info *, int, int);
+ struct section_addr_info *, int);
extern struct objfile *symbol_file_add_from_bfd (bfd *, int,
struct section_addr_info *,
- int, int);
+ 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);
-/* 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 struct partial_symtab *start_psymtab_common (struct objfile *,
struct section_offsets *,
- char *, CORE_ADDR,
+ const char *, CORE_ADDR,
struct partial_symbol **,
struct partial_symbol **);
/* From symfile.c */
-extern struct partial_symtab *allocate_psymtab (char *, struct objfile *);
+extern void set_initial_language (void);
+
+extern struct partial_symtab *allocate_psymtab (const char *,
+ struct objfile *);
extern void discard_psymtab (struct partial_symtab *);
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 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);
/* 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 *,
extern int dwarf2_has_info (struct objfile *);
-extern void dwarf2_build_psymtabs (struct objfile *, int);
+extern void dwarf2_build_psymtabs (struct objfile *);
extern void dwarf2_build_frame_info (struct objfile *);
void dwarf2_free_objfile (struct objfile *);
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