Intel 253668-032US Benutzerhandbuch
Vol. 3 16-3
DEBUGGING, PROFILING BRANCHES AND TIME-STAMP COUNTER
•
Whether the breakpoint condition was present when the debug exception was
generated.
generated.
The following paragraphs describe the functions of flags and fields in the debug
registers.
registers.
Figure 16-1. Debug Registers
31
24 23 22 21 20 19
16 15
13
14
12 11
8 7
0
DR7
L
Reserved
0
1
2
3
4
5
6
9
10
17
18
25
26
27
28
29
30
G
0
L
1
1
L
2
2
L
3
3
G
3
L
E
G
E
E
G
2
G
1
0 0
G
D
D
R/W
0
LEN
0
R/W
1
LEN
1
R/W
2
LEN
2
R/W
3
LEN
3
31
16 15
13
14
12 11
8 7
0
DR6
B
0
1
2
3
4
5
6
9
10
B
1
B
2
2
B
3
0 1 1 1 1 1 1 1 1 1
B
D
D
B
S
S
B
T
T
31
0
DR5
31
0
DR4
31
0
DR3
Breakpoint 3 Linear Address
31
0
DR2
Breakpoint 2 Linear Address
31
0
DR1
Breakpoint 1 Linear Address
31
0
DR0
Breakpoint 0 Linear Address
0 0 1
Reserved (set to 1)