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authorAnanth N Mavinakayanahalli <ananth@in.ibm.com>2007-04-18 15:57:51 +1000
committerPaul Mackerras <paulus@samba.org>2007-04-24 21:31:58 +1000
commite6349a958b3577da6e5c5eacda85c07f9a364cb5 (patch)
tree2d013d593c49ce13d9ce068dab70a876c3730de5 /include/asm-powerpc
parent6888199f7fe5ea496f48bb6de67b9b7f05b8071b (diff)
[POWERPC] kprobes: Eliminate sstep exception if instruction can be emulated
For cases when probes are placed on instructions that can be emulated, don't take the single-step exception. Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-powerpc')
-rw-r--r--include/asm-powerpc/kprobes.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-powerpc/kprobes.h b/include/asm-powerpc/kprobes.h
index 3a5dd492588..f850ca7020e 100644
--- a/include/asm-powerpc/kprobes.h
+++ b/include/asm-powerpc/kprobes.h
@@ -87,6 +87,11 @@ extern void arch_remove_kprobe(struct kprobe *p);
struct arch_specific_insn {
/* copy of original instruction */
kprobe_opcode_t *insn;
+ /*
+ * Set in kprobes code, initially to 0. If the instruction can be
+ * eumulated, this is set to 1, if not, to -1.
+ */
+ int boostable;
};
struct prev_kprobe {