-/*
- the vmap struct is used to describe the virtual address space of
+/* Data structures for RS/6000 shared libraries, for GDB.
+ Copyright 1991, 1992, 1994 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. */
+
+/* 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 tadj; /* heuristically derived adjustment */
+ CORE_ADDR dstart; /* virtual address of data start */
+ CORE_ADDR dend; /* vitrual address of data end */
+
+ /* 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;
+
+extern void
+add_text_to_loadinfo PARAMS ((CORE_ADDR textaddr, CORE_ADDR dataaddr));
+
+/* Hook for symbol table relocation at runtime. */
+
+extern void (*xcoff_relocate_symtab_hook) PARAMS ((unsigned int));