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| author | David E. O'Brien <obrien@FreeBSD.org> | 2000-02-12 18:33:54 +0000 |
|---|---|---|
| committer | David E. O'Brien <obrien@FreeBSD.org> | 2000-02-12 18:33:54 +0000 |
| commit | ed0010ed097b27a228d9a2f31851671fce2e0d09 (patch) | |
| tree | 49b7e524bc05c5642d4ccb12e82efcbe52d2201c /sys | |
| parent | e7e960abeb9f061534dc673b325a61cb967099f9 (diff) | |
| download | src-ed0010ed097b27a228d9a2f31851671fce2e0d09.tar.gz src-ed0010ed097b27a228d9a2f31851671fce2e0d09.zip | |
Document the support in the kernel for hardware debug registers on the
ix86 platform which allows for hardware watchpoints, etc...
Submitted by: Brian Dean <brdean@unx.sas.com>
Notes
Notes:
svn path=/head/; revision=57168
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/amd64/include/reg.h | 3 | ||||
| -rw-r--r-- | sys/i386/include/reg.h | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/sys/amd64/include/reg.h b/sys/amd64/include/reg.h index 7b5b69a1c2af..6effd1a60d6f 100644 --- a/sys/amd64/include/reg.h +++ b/sys/amd64/include/reg.h @@ -118,6 +118,9 @@ struct fpreg { unsigned char fpr_pad[64]; }; +/* + * Register set accessible via /proc/$pid/dbregs. + */ struct dbreg { unsigned int dr0; /* debug address register 0 */ unsigned int dr1; /* debug address register 1 */ diff --git a/sys/i386/include/reg.h b/sys/i386/include/reg.h index 7b5b69a1c2af..6effd1a60d6f 100644 --- a/sys/i386/include/reg.h +++ b/sys/i386/include/reg.h @@ -118,6 +118,9 @@ struct fpreg { unsigned char fpr_pad[64]; }; +/* + * Register set accessible via /proc/$pid/dbregs. + */ struct dbreg { unsigned int dr0; /* debug address register 0 */ unsigned int dr1; /* debug address register 1 */ |