From: Samuel Seay <lightningth@gmail.com>
Date: Fri, 4 Jan 2013 14:35:48 +0000 (+0000)
Subject: PPC: linux-user: Calculate context pointer explicitly
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=61993a67128095946ed5df51c3c20748182d8efc;p=qemu.git

PPC: linux-user: Calculate context pointer explicitly

Peter Maydell recommended the change to be more proper. The result was tested
and shows coming up with the same proper value.

Signed-off-by: Samuel Seay <LightningTH@GMail.com>
[agraf: change subject]
Signed-off-by: Alexander Graf <agraf@suse.de>
---

diff --git a/linux-user/signal.c b/linux-user/signal.c
index c43b8ac30a..bb08a9354e 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -4614,7 +4614,7 @@ static void setup_frame(int sig, struct target_sigaction *ka,
     /* Set up registers for signal handler.  */
     env->gpr[1] = newsp;
     env->gpr[3] = signal;
-    env->gpr[4] = (target_ulong) h2g(sc);
+    env->gpr[4] = frame_addr + offsetof(struct target_sigframe, sctx);
     env->nip = (target_ulong) ka->_sa_handler;
     /* Signal handlers are entered in big-endian mode.  */
     env->msr &= ~MSR_LE;