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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-i386/ptrace.h
parent412998cf6bce78b8dc5f68660e09bf3b4fcbb210 (diff)
[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-i386/ptrace.h')
-rw-r--r--include/asm-i386/ptrace.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-i386/ptrace.h b/include/asm-i386/ptrace.h
index a4a0e5207db..d505f501077 100644
--- a/include/asm-i386/ptrace.h
+++ b/include/asm-i386/ptrace.h
@@ -47,7 +47,10 @@ static inline int user_mode_vm(struct pt_regs *regs)
{
return ((regs->xcs & SEGMENT_RPL_MASK) | (regs->eflags & VM_MASK)) >= USER_RPL;
}
+
#define instruction_pointer(regs) ((regs)->eip)
+#define regs_return_value(regs) ((regs)->eax)
+
extern unsigned long profile_pc(struct pt_regs *regs);
#endif /* __KERNEL__ */