From 62169ef6d3cadc3d5626c25c3284f78f95160287 Mon Sep 17 00:00:00 2001
From: tegge <tegge@FreeBSD.org>
Date: Fri, 27 Jun 1997 15:48:22 +0000
Subject: Don't depend upon the user structure having been aligned on a 8 KB
 boundary. Reviewed by:	Peter Wemm <peter@spinner.dialix.com.au>

---
 gnu/usr.bin/binutils/gdb/i386/freebsd-nat.c | 13 ++++++++++++-
 gnu/usr.bin/gdb/gdb/freebsd-nat.c           | 13 ++++++++++++-
 2 files changed, 24 insertions(+), 2 deletions(-)

(limited to 'gnu')

diff --git a/gnu/usr.bin/binutils/gdb/i386/freebsd-nat.c b/gnu/usr.bin/binutils/gdb/i386/freebsd-nat.c
index c7c506f..4fdb09f 100644
--- a/gnu/usr.bin/binutils/gdb/i386/freebsd-nat.c
+++ b/gnu/usr.bin/binutils/gdb/i386/freebsd-nat.c
@@ -23,6 +23,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #include <sys/ptrace.h>
 #include <machine/reg.h>
 #include <machine/frame.h>
+#include <sys/param.h>
+#include <sys/user.h>
 #include "gdbcore.h"
 #include "value.h"
 #include "inferior.h"
@@ -91,8 +93,17 @@ fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
   register int cregno;
   register int addr;
   int bad_reg = -1;
-  int offset = -reg_addr & (core_reg_size - 1);
+  int offset;
+  struct user *tmp_uaddr;
 
+  /* 
+   * First get virtual address of user structure. Then calculate offset.
+   */
+  memcpy(&tmp_uaddr,
+	 &((struct user *) core_reg_sect)->u_kproc.kp_proc.p_addr,
+	 sizeof(tmp_uaddr));
+  offset = -reg_addr - (int) tmp_uaddr;
+  
   for (regno = 0; regno < NUM_REGS; regno++)
     {
       cregno = tregmap[regno];
diff --git a/gnu/usr.bin/gdb/gdb/freebsd-nat.c b/gnu/usr.bin/gdb/gdb/freebsd-nat.c
index c7c506f..4fdb09f 100644
--- a/gnu/usr.bin/gdb/gdb/freebsd-nat.c
+++ b/gnu/usr.bin/gdb/gdb/freebsd-nat.c
@@ -23,6 +23,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 #include <sys/ptrace.h>
 #include <machine/reg.h>
 #include <machine/frame.h>
+#include <sys/param.h>
+#include <sys/user.h>
 #include "gdbcore.h"
 #include "value.h"
 #include "inferior.h"
@@ -91,8 +93,17 @@ fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
   register int cregno;
   register int addr;
   int bad_reg = -1;
-  int offset = -reg_addr & (core_reg_size - 1);
+  int offset;
+  struct user *tmp_uaddr;
 
+  /* 
+   * First get virtual address of user structure. Then calculate offset.
+   */
+  memcpy(&tmp_uaddr,
+	 &((struct user *) core_reg_sect)->u_kproc.kp_proc.p_addr,
+	 sizeof(tmp_uaddr));
+  offset = -reg_addr - (int) tmp_uaddr;
+  
   for (regno = 0; regno < NUM_REGS; regno++)
     {
       cregno = tregmap[regno];
-- 
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