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Don't depend upon the user structure having been aligned on a 8 KB boundary.

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Reviewed by:	Peter Wemm <peter@spinner.dialix.com.au>
This commit is contained in:
Tor Egge 1997-06-27 15:48:22 +00:00
parent b747f8bce4
commit 47c8f7894f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=26992
2 changed files with 24 additions and 2 deletions
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13
gnu/usr.bin/binutils/gdb/i386/freebsd-nat.c
View file

@ -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"
@ -91,7 +93,16 @@ 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++)
{

13
gnu/usr.bin/gdb/gdb/freebsd-nat.c
View file

@ -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"
@ -91,7 +93,16 @@ 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++)
{