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Diffstat (limited to 'gdb/symfile.h')
| -rw-r--r-- | gdb/symfile.h | 326 |
1 files changed, 0 insertions, 326 deletions
diff --git a/gdb/symfile.h b/gdb/symfile.h deleted file mode 100644 index 9ab8068d112..00000000000 --- a/gdb/symfile.h +++ /dev/null @@ -1,326 +0,0 @@ -/* Definitions for reading symbol files into GDB. - Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, - 2000, 2001 - 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 - (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, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#if !defined (SYMFILE_H) -#define SYMFILE_H - -/* This file requires that you first include "bfd.h". */ - -/* 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 (). */ - -#define MAX_SECTIONS 64 -struct section_addr_info -{ - /* Sections whose names are file format dependent. */ - struct other_sections - { - CORE_ADDR addr; - char *name; - int sectindex; - } other[MAX_SECTIONS]; -}; - -/* 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, mainline) - 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. */ - - 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 *); - - /* 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; - - }; - -/* 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 *); - - -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 void -add_psymbol_to_list (char *, int, namespace_enum, enum address_class, - struct psymbol_allocation_list *, long, CORE_ADDR, - enum language, struct objfile *); - -extern void -add_psymbol_with_dem_name_to_list (char *, int, char *, int, namespace_enum, - enum address_class, - struct psymbol_allocation_list *, - long, CORE_ADDR, - enum language, struct objfile *); - - -extern void init_psymbol_list (struct objfile *, int); - -extern void sort_pst_symbols (struct partial_symtab *); - -extern struct symtab *allocate_symtab (char *, struct objfile *); - -extern int free_named_symtabs (char *); - -extern void fill_in_vptr_fieldno (struct type *); - -extern void add_symtab_fns (struct sym_fns *); - -extern void init_entry_point_info (struct objfile *); - -extern void -syms_from_objfile (struct objfile *, struct section_addr_info *, int, int); - -extern void new_symfile_objfile (struct objfile *, int, int); - -extern struct objfile *symbol_file_add (char *, int, - struct section_addr_info *, int, int); - -/* Build (allocate and populate) a section_addr_info struct from - an existing section table. */ - -struct section_table; -extern struct section_addr_info * -build_section_addr_info_from_section_table (const struct section_table *start, - const struct section_table *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 *, - char *, CORE_ADDR, - struct partial_symbol **, - struct partial_symbol **); - -/* Sorting your symbols for fast lookup or alphabetical printing. */ - -extern void sort_block_syms (struct block *); - -extern void sort_symtab_syms (struct symtab *); - -/* 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 (char *, int, struct obstack *); - -/* Concatenate strings S1, S2 and S3; return the new string. - Space is found in the symbol_obstack. */ - -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 CORE_ADDR entry_point_address (void); - -extern struct partial_symtab *allocate_psymtab (char *, struct objfile *); - -extern void discard_psymtab (struct partial_symtab *); - -extern void find_lowest_section (bfd *, asection *, PTR); - -extern bfd *symfile_bfd_open (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 asection *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); - -/* return true if the section is an overlay */ -extern int section_is_overlay (asection *); - -/* return true if the overlay section is currently "mapped" */ -extern int section_is_mapped (asection *); - -/* return true if pc belongs to section's VMA */ -extern CORE_ADDR pc_in_mapped_range (CORE_ADDR, asection *); - -/* return true if pc belongs to section's LMA */ -extern CORE_ADDR pc_in_unmapped_range (CORE_ADDR, asection *); - -/* map an address from a section's LMA to its VMA */ -extern CORE_ADDR overlay_mapped_address (CORE_ADDR, asection *); - -/* map an address from a section's VMA to its LMA */ -extern CORE_ADDR overlay_unmapped_address (CORE_ADDR, asection *); - -/* convert an address in an overlay section (force into VMA range) */ -extern CORE_ADDR symbol_overlayed_address (CORE_ADDR, asection *); - -/* 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); - -/* From dwarfread.c */ - -extern void -dwarf_build_psymtabs (struct objfile *, int, file_ptr, unsigned int, - file_ptr, unsigned int); - -/* From dwarf2read.c */ - -extern int dwarf2_has_info (bfd * abfd); - -extern void dwarf2_build_psymtabs (struct objfile *, int); -extern void dwarf2_build_frame_info (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) */ |