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author | rpaulo <rpaulo@FreeBSD.org> | 2010-08-28 08:03:29 +0000 |
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committer | rpaulo <rpaulo@FreeBSD.org> | 2010-08-28 08:03:29 +0000 |
commit | 707917e57b9e89c2d8a0b8c5ef3f2fd4abe19556 (patch) | |
tree | db25003fe1513ee1e6b3319f1520510b66d46406 /sys/amd64/include/segments.h | |
parent | 145f151a7942ca39adbf26b7aabd3df7c445a9a2 (diff) | |
download | FreeBSD-src-707917e57b9e89c2d8a0b8c5ef3f2fd4abe19556.zip FreeBSD-src-707917e57b9e89c2d8a0b8c5ef3f2fd4abe19556.tar.gz |
Register an interrupt vector for DTrace return probes. There is some
code missing in lapic to make sure that we don't overwrite this entry,
but this will be done on a sequent commit.
Sponsored by: The FreeBSD Foundation
Diffstat (limited to 'sys/amd64/include/segments.h')
-rw-r--r-- | sys/amd64/include/segments.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/amd64/include/segments.h b/sys/amd64/include/segments.h index 282c1ae..22dc95a 100644 --- a/sys/amd64/include/segments.h +++ b/sys/amd64/include/segments.h @@ -214,6 +214,7 @@ struct region_descriptor { #define IDT_XF 19 /* #XF: SIMD Floating-Point Exception */ #define IDT_IO_INTS NRSVIDT /* Base of IDT entries for I/O interrupts. */ #define IDT_SYSCALL 0x80 /* System Call Interrupt Vector */ +#define IDT_DTRACE_RET 0x92 /* DTrace pid provider Interrupt Vector */ /* * Entries in the Global Descriptor Table (GDT) |