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authorAnanth N Mavinakayanahalli <ananth@in.ibm.com>2006-10-02 02:17:31 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-02 07:57:16 -0700
commitb3f827cb0fe0660c2eacea2c2f9bdb1f225ff768 (patch)
treeae912b3b929526184eeca0519550635dc39b5362 /include/asm-powerpc
parent[PATCH] kprobes: handle symbol resolution when <module:.symbol> is specified (diff)
downloadlinux-dev-b3f827cb0fe0660c2eacea2c2f9bdb1f225ff768.tar.xz
linux-dev-b3f827cb0fe0660c2eacea2c2f9bdb1f225ff768.zip
[PATCH] Add regs_return_value() helper
Add the regs_return_value() macro to extract the return value in an architecture agnostic manner, given the pt_regs. Other architecture maintainers may want to add similar helpers. Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Signed-off-by: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-powerpc')
-rw-r--r--include/asm-powerpc/ptrace.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-powerpc/ptrace.h b/include/asm-powerpc/ptrace.h
index 4435efe85d0e..4ad77a13f865 100644
--- a/include/asm-powerpc/ptrace.h
+++ b/include/asm-powerpc/ptrace.h
@@ -73,6 +73,8 @@ struct pt_regs {
#ifndef __ASSEMBLY__
#define instruction_pointer(regs) ((regs)->nip)
+#define regs_return_value(regs) ((regs)->gpr[3])
+
#ifdef CONFIG_SMP
extern unsigned long profile_pc(struct pt_regs *regs);
#else