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authorjlemon <jlemon@FreeBSD.org>1999-07-09 04:16:00 +0000
committerjlemon <jlemon@FreeBSD.org>1999-07-09 04:16:00 +0000
commitfb9048b07bd1c35bc75d6a5619a8a66c0cf40b4f (patch)
tree5035c891109a8a7303adbff335bde82a04b1c903 /sys/amd64/include/pcb.h
parent8402d41bdeafb13d775baf552ba6f1faba0aadca (diff)
downloadFreeBSD-src-fb9048b07bd1c35bc75d6a5619a8a66c0cf40b4f.zip
FreeBSD-src-fb9048b07bd1c35bc75d6a5619a8a66c0cf40b4f.tar.gz
Implement support for hardware debug registers on the i386.
Submitted by: Brian Dean <brdean@unx.sas.com>
Diffstat (limited to 'sys/amd64/include/pcb.h')
-rw-r--r--sys/amd64/include/pcb.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/sys/amd64/include/pcb.h b/sys/amd64/include/pcb.h
index 2dbc707..5cee924 100644
--- a/sys/amd64/include/pcb.h
+++ b/sys/amd64/include/pcb.h
@@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* from: @(#)pcb.h 5.10 (Berkeley) 5/12/91
- * $Id: pcb.h,v 1.27 1999/04/28 01:04:05 luoqi Exp $
+ * $Id: pcb.h,v 1.28 1999/06/01 18:20:06 jlemon Exp $
*/
#ifndef _I386_PCB_H_
@@ -54,11 +54,20 @@ struct pcb {
int pcb_esp;
int pcb_ebx;
int pcb_eip;
+
+ int pcb_dr0;
+ int pcb_dr1;
+ int pcb_dr2;
+ int pcb_dr3;
+ int pcb_dr6;
+ int pcb_dr7;
+
caddr_t pcb_ldt; /* per process (user) LDT */
int pcb_ldt_len; /* number of LDT entries */
struct save87 pcb_savefpu; /* floating point state for 287/387 */
u_char pcb_flags;
#define FP_SOFTFP 0x01 /* process using software fltng pnt emulator */
+#define PCB_DBREGS 0x02 /* process using debug registers */
caddr_t pcb_onfault; /* copyin/out fault recovery */
#ifdef SMP
u_long pcb_mpnest;
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