diff options
author | Tony Luck <tony.luck@intel.com> | 2006-11-14 12:33:38 -0500 |
---|---|---|
committer | Tony Luck <tony.luck@intel.com> | 2006-12-12 15:00:55 -0500 |
commit | 08ed38b68099f2a492196414b08a7f5dd8dc3537 (patch) | |
tree | 1be49040ba10db0fefc16a31c4ee13461c50e131 /include/asm-ia64/kprobes.h | |
parent | 75f6a1de41f90543792403bf0ffb3ead59d0d8cc (diff) |
[IA64] enable trap code on slot 1
Because slot 1 of one instr bundle crosses border of two consecutive
8-bytes, kprobe on slot 1 is disabled. This patch enables kprobe on
slot1, it only replaces higher 8-bytes of the instruction bundle and
changes the exception code to ignore the low 12 bits of the break
number (which is across the border in the lower 8-bytes of the bundle).
For those instructions which must execute regardless qp bits,
kprobe on slot 1 is still disabled.
Signed-off-by: bibo,mao <bibo.mao@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'include/asm-ia64/kprobes.h')
-rw-r--r-- | include/asm-ia64/kprobes.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-ia64/kprobes.h b/include/asm-ia64/kprobes.h index 1b45b71c79b9..828ae00e47c1 100644 --- a/include/asm-ia64/kprobes.h +++ b/include/asm-ia64/kprobes.h | |||
@@ -115,6 +115,7 @@ struct arch_specific_insn { | |||
115 | #define INST_FLAG_BREAK_INST 4 | 115 | #define INST_FLAG_BREAK_INST 4 |
116 | unsigned long inst_flag; | 116 | unsigned long inst_flag; |
117 | unsigned short target_br_reg; | 117 | unsigned short target_br_reg; |
118 | unsigned short slot; | ||
118 | }; | 119 | }; |
119 | 120 | ||
120 | extern int kprobe_exceptions_notify(struct notifier_block *self, | 121 | extern int kprobe_exceptions_notify(struct notifier_block *self, |