/* Data structures for RS/6000 shared libraries, for GDB.
- Copyright 1991, 1992 Free Software Foundation, Inc.
+ Copyright 1991, 1992, 1994, 1997 Free Software Foundation, Inc.
This file is part of GDB.
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-/*
- the vmap struct is used to describe the virtual address space of
+/* The vmap struct is used to describe the virtual address space of
the target we are manipulating. The first entry is always the "exec"
file. Subsequent entries correspond to other objects that are
mapped into the address space of a process created from the "exec" file.
These are either in response to exec()ing the file, in which case all
shared libraries are loaded, or a "load" system call, followed by the
- user's issuance of a "load" command. */
+ user's issuance of a "load" command. */
struct vmap {
- struct vmap *nxt; /* ^ to next in chain */
- bfd *bfd; /* BFD for mappable object library */
- char *name; /* ^ to object file name */
- char *member; /* ^ to member name */
- CORE_ADDR tstart; /* virtual addr where member is mapped */
- CORE_ADDR tend; /* virtual upper bound of member */
- CORE_ADDR tadj; /* heuristically derived adjustment */
- CORE_ADDR dstart; /* virtual address of data start */
- CORE_ADDR dend; /* vitrual address of data end */
-
- CORE_ADDR ostart; /* objext start ??? */
- unsigned loaded:1; /* True if symbols are loaded */
- unsigned reloced:1; /* True, if symbols relocated */
- unsigned padding:14;
+ struct vmap *nxt; /* ptr to next in chain */
+ bfd *bfd; /* BFD for mappable object library */
+ char *name; /* ptr to object file name */
+ char *member; /* ptr to member name */
+ CORE_ADDR tstart; /* virtual addr where member is mapped */
+ CORE_ADDR tend; /* virtual upper bound of member */
+ CORE_ADDR tvma; /* virtual addr of text section in object file */
+ CORE_ADDR toffs; /* offset of text section in object file */
+ CORE_ADDR dstart; /* virtual address of data start */
+ CORE_ADDR dend; /* virtual address of data end */
+ CORE_ADDR dvma; /* virtual addr of data section in object file */
+
+ /* This is NULL for the exec-file. */
+ struct objfile *objfile;
+
+ unsigned loaded:1; /* True if symbols are loaded */
+ unsigned padding:15;
};
};
extern struct vmap *vmap;
+
+/* Hook for symbol table relocation at runtime. */
+
+extern void (*xcoff_relocate_symtab_hook) PARAMS ((unsigned int));