powerpc64: Increase SIGSTKSZ and MINSIGSTKSZ

This patch increases the value of SIGSTKSZ and MINSIGSTKSZ
for powerpc64 similar to the kernel commit
2f82ec19757f58549467db568c56e7dfff8af283 to allow
further expansion of the signal stack frame size.

diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/sigstack.h b/sysdeps/unix/sysv/linux/powerpc/bits/sigstack.h
index abc87cd..4bff1fe 100644 (file)
--- a/sysdeps/unix/sysv/linux/powerpc/bits/sigstack.h
+++ b/sysdeps/unix/sysv/linux/powerpc/bits/sigstack.h
@@ -23,10 +23,15 @@
 # error "Never include this file directly.  Use <signal.h> instead"
 #endif
 
+#ifdef __powerpc64__
+#define MINSIGSTKSZ    8192
+#define SIGSTKSZ       32768
+#else
 /* Minimum stack size for a signal handler.  */
 #define MINSIGSTKSZ    4096
 
 /* System default stack size.  */
 #define SIGSTKSZ       16384
+#endif
 
 #endif /* bits/sigstack.h */