diff options
| author | bsd <bsd@FreeBSD.org> | 2000-09-21 17:07:27 +0000 |
|---|---|---|
| committer | bsd <bsd@FreeBSD.org> | 2000-09-21 17:07:27 +0000 |
| commit | 878d7f2499e7a2f9817e11c882877596b0ef8ec5 (patch) | |
| tree | 1e10e525ea67fc28583a774db85425af9d2c0b27 /sys/amd64/include/reg.h | |
| parent | a5b979afa0926873efe5f134b465efa9a2002dc6 (diff) | |
| download | FreeBSD-src-878d7f2499e7a2f9817e11c882877596b0ef8ec5.zip FreeBSD-src-878d7f2499e7a2f9817e11c882877596b0ef8ec5.tar.gz | |
Add a couple of debug register helper functions to assist in setting
and clearing watchpoints.
Reviewed by: jwd@FreeBSD.org, -hackers@
Diffstat (limited to 'sys/amd64/include/reg.h')
| -rw-r--r-- | sys/amd64/include/reg.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/amd64/include/reg.h b/sys/amd64/include/reg.h index 6effd1a..47856a3 100644 --- a/sys/amd64/include/reg.h +++ b/sys/amd64/include/reg.h @@ -132,6 +132,12 @@ struct dbreg { unsigned int dr7; /* debug control register */ }; +#define DBREG_DR7_EXEC 0x00 /* break on execute */ +#define DBREG_DR7_WRONLY 0x01 /* break on write */ +#define DBREG_DR7_RDWR 0x03 /* break on read or write */ +#define DBREG_DRX(d,x) ((&d->dr0)[x]) /* reference dr0 - dr7 by + register number */ + #ifdef _KERNEL /* |
