diff options
author | phk <phk@FreeBSD.org> | 2002-10-20 20:48:56 +0000 |
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committer | phk <phk@FreeBSD.org> | 2002-10-20 20:48:56 +0000 |
commit | 6c70e7ba980490dd092e728144518733eed32383 (patch) | |
tree | 29705437a18964f97f13741d64accd7bfd02312e /sys/i386/include | |
parent | 12498a44e8c16d95cbc864868ba0699d0ab3387f (diff) | |
download | FreeBSD-src-6c70e7ba980490dd092e728144518733eed32383.zip FreeBSD-src-6c70e7ba980490dd092e728144518733eed32383.tar.gz |
Change the definition of the debugging registers to be an array, so
that we can index into it, rather than do pointer gymnastics on a
structure containing 8 elements.
Verified by: MD5 hash on the produced .o files.
Diffstat (limited to 'sys/i386/include')
-rw-r--r-- | sys/i386/include/reg.h | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/sys/i386/include/reg.h b/sys/i386/include/reg.h index a900a9d..848c8fe 100644 --- a/sys/i386/include/reg.h +++ b/sys/i386/include/reg.h @@ -122,20 +122,17 @@ struct fpreg { * Register set accessible via /proc/$pid/dbregs. */ struct dbreg { - unsigned int dr0; /* debug address register 0 */ - unsigned int dr1; /* debug address register 1 */ - unsigned int dr2; /* debug address register 2 */ - unsigned int dr3; /* debug address register 3 */ - unsigned int dr4; /* reserved */ - unsigned int dr5; /* reserved */ - unsigned int dr6; /* debug status register */ - unsigned int dr7; /* debug control register */ + unsigned int dr[8]; /* debug registers */ + /* Index 0-3: debug address registers */ + /* Index 4-5: reserved */ + /* Index 6: debug status */ + /* Index 7: debug control */ }; #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 +#define DBREG_DRX(d,x) (d->dr[(x)]) /* reference dr0 - dr7 by register number */ |