Merged in latest RS6000 diffs from Metin G. Ozisik.

gdb/xcoffsolib.h

@@ -0,0 +1,33 @@
+/*
+   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. */
+
+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_and_bfd {
+  bfd *pbfd;
+  struct vmap *pvmap;
+};
+
+extern struct vmap *vmap;