* signal.c (sys_sigreturn) [POWERPC]: Skip dummy stack frame when
locating signal context.
---
signal.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/signal.c b/signal.c
index c1d6eb0..bf97e90 100644
--- a/signal.c
+++ b/signal.c
@@ -1329,6 +1329,12 @@ sys_sigreturn(struct tcb *tcp)
tcp->u_arg[0] = 0;
if (upeek(tcp, sizeof(unsigned long)*PT_R1, &esp) < 0)
return 0;
+ /* Skip dummy stack frame. */
+#ifdef __powerpc64__
+ esp += 128;
+#else
+ esp += 64;
+#endif
if (umove(tcp, esp, &sc) < 0)
return 0;
tcp->u_arg[0] = 1;
--
1.7.0
Andreas.
--
Andreas Schwab, [email protected]
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
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