Merge to Cygnus 961112 + add some support (not ready) for shared libs

1 files changed, 59 insertions, 0 deletions

diff --git a/gnu/usr.bin/binutils/gdb/xcoffsolib.h b/gnu/usr.bin/binutils/gdb/xcoffsolib.h
new file mode 100644
index 00000000000..2b75d22fecd
--- /dev/null
+++ b/gnu/usr.bin/binutils/gdb/xcoffsolib.h
@@ -0,0 +1,59 @@
+/* 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.  */
+
+struct vmap {
+  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;
+};
+
+
+struct vmap_and_bfd {
+  bfd *pbfd;
+  struct vmap *pvmap;
+};
+
+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));