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 | |
| 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')
| -rw-r--r-- | sys/amd64/include/reg.h | 6 | ||||
| -rw-r--r-- | sys/amd64/include/sysarch.h | 4 |
2 files changed, 10 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 /* diff --git a/sys/amd64/include/sysarch.h b/sys/amd64/include/sysarch.h index 01e63c5..7e355af 100644 --- a/sys/amd64/include/sysarch.h +++ b/sys/amd64/include/sysarch.h @@ -68,6 +68,7 @@ struct i386_vm86_args { #include <sys/cdefs.h> union descriptor; +struct dbreg; __BEGIN_DECLS int i386_get_ldt __P((int, union descriptor *, int)); @@ -75,6 +76,9 @@ int i386_set_ldt __P((int, union descriptor *, int)); int i386_get_ioperm __P((unsigned int, unsigned int *, int *)); int i386_set_ioperm __P((unsigned int, unsigned int, int)); int i386_vm86 __P((int, void *)); +int i386_set_watch __P((int watchnum, unsigned int watchaddr, int size, + int access, struct dbreg * d)); +int i386_clr_watch __P((int watchnum, struct dbreg * d)); __END_DECLS #endif |
