int size;
};
+/* Structure to keep track of symbol reading functions for various
+ object file types. */
+
+struct sym_fns {
+
+ /* is the name, or name prefix, of the BFD "target type" that this
+ set of functions handles. E.g. "a.out" or "sunOs" or "coff" or "elf". */
+
+ char *sym_name;
+
+ /* counts how many bytes of sym_name should be checked against the
+ BFD target type of the file being read. If an exact match is
+ desired, specify the number of characters in sym_name plus 1 for the
+ NUL. If a prefix match is desired, specify the number of characters in
+ sym_name. */
+
+ int sym_namelen;
+
+ /* 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) PARAMS ((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) PARAMS ((struct objfile *));
+
+ /* sym_read (objfile, addr, mainline)
+ Reads a symbol file into a psymtab (or possibly a symtab).
+ OBJFILE is the objfile struct for the file we are reading. ADDR
+ is the offset between the file's specified start address and
+ its true address in memory. 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) PARAMS ((struct objfile *, CORE_ADDR, 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) PARAMS ((struct objfile *));
+
+ /* 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;
+
+};
+
/* Master structure for keeping track of each input file from which
gdb reads symbols. One of these is allocated for each such file we
access, e.g. the exec_file, symbol_file, and any shared library object
the memory mapped malloc() package to manage storage for this objfile's
data. NULL if we are not. */
- void *md;
+ PTR md;
+
+ /* Structure which keeps track of functions that manipulate objfile's
+ of the same type as this objfile. I.E. the function to read partial
+ symbols for example. Note that this structure is in statically
+ allocated memory, and is shared by all objfiles that use the
+ object module reader of this type. */
+
+ struct sym_fns *sf;
+
+ /* Hook for information which is shared by sym_init and sym_read for
+ this objfile. It is typically a pointer to malloc'd memory. */
+
+ PTR sym_private;
};
#define OBJF_MAPPED (1 << 0) /* Objfile data is mmap'd */
-/* Structure to keep track of symbol reading functions for various
- object file types. */
-
-struct sym_fns {
-
- /* is the name, or name prefix, of the BFD "target type" that this
- set of functions handles. E.g. "a.out" or "sunOs" or "coff" or "elf". */
-
- char *sym_name;
-
- /* counts how many bytes of sym_name should be checked against the
- BFD target type of the file being read. If an exact match is
- desired, specify the number of characters in sym_name plus 1 for the
- NUL. If a prefix match is desired, specify the number of characters in
- sym_name. */
-
- int sym_namelen;
-
- /* 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) PARAMS ((void));
-
- /* sym_init (sf)
- 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) PARAMS ((struct sym_fns *));
-
- /* sym_read (sf, addr, mainline)
- reads a symbol file into a psymtab (or possibly a symtab).
- SF is the struct sym_fns that sym_init initialized. ADDR
- is the offset between the file's specified start address and
- its true address in memory. 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) PARAMS ((struct sym_fns *, CORE_ADDR, int));
-
- /* is the accessor for the symbol file being read. */
-
- bfd *sym_bfd;
-
- /* is where information can be shared among sym_init and sym_read.
- It is typically a pointer to malloc'd memory. */
-
- char *sym_private; /* Should be void * */
-
- /* is the "struct objfile" for the object file being read. */
-
- struct objfile *objfile;
-
- /* 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 void
extend_psymbol_list PARAMS ((struct psymbol_allocation_list *,
struct objfile *));
allocate_symtab PARAMS ((char *, struct objfile *));
extern struct objfile *
-allocate_objfile PARAMS ((bfd *, char *, int));
+allocate_objfile PARAMS ((bfd *, int));
extern void
free_objfile PARAMS ((struct objfile *));
extern struct complaint complaint_root[1];
-/* Externally visible variables defined in symfile.c */
-
-/* The object file that the main symbol table was loaded from (e.g. the
- argument to the "symbol-file" or "file" command). */
-
-extern struct objfile *symfile_objfile;
-
-/* Where execution starts in symfile */
-
-extern CORE_ADDR entry_point;
-
-/* Root of object file struct chain. */
-
-extern struct objfile *object_files;
-
/* Functions that handle complaints. (in symfile.c) */
extern void
projects / binutils-gdb.git / blobdiff