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authorSrinivasa Ds <srinivasa@in.ibm.com>2008-07-08 00:22:27 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-07-09 16:30:44 +1000
commite5093ff05d36c64e8f36a9ddb26358256dc133ea (patch)
tree06e27ffb2a70ddb293c56aaf6499e618fce761d1
parent058c78f4ba89df7b2de82ac271452f09e2b8fa05 (diff)
powerpc: Implement task_pt_regs() accessor
The task_pt_regs() macro allows access to the pt_regs of a given task. This macro is not currently defined for the powerpc architecture, but we need it for some upcoming utrace additions. Signed-off-by: Srinivasa DS <srinivasa@in.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
-rw-r--r--include/asm-powerpc/processor.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h
index 061cd17ba83..101ed87f7d8 100644
--- a/include/asm-powerpc/processor.h
+++ b/include/asm-powerpc/processor.h
@@ -234,6 +234,8 @@ struct thread_struct {
#define thread_saved_pc(tsk) \
((tsk)->thread.regs? (tsk)->thread.regs->nip: 0)
+#define task_pt_regs(tsk) ((struct pt_regs *)(tsk)->thread.regs)
+
unsigned long get_wchan(struct task_struct *p);
#define KSTK_EIP(tsk) ((tsk)->thread.regs? (tsk)->thread.regs->nip: 0)