3 files changed, 1 insertions, 19 deletions
diff --git a/linux-user/ppc/target_prctl.h b/linux-user/ppc/target_prctl.h
new file mode 100644
index 0000000000..eb53b31ad5
--- /dev/null
+++ b/linux-user/ppc/target_prctl.h
@@ -0,0 +1 @@
+/* No special prctl support required. */
diff --git a/linux-user/ppc/target_signal.h b/linux-user/ppc/target_signal.h
index 82184ab8f2..5be24e152b 100644
--- a/linux-user/ppc/target_signal.h
+++ b/linux-user/ppc/target_signal.h
@@ -1,24 +1,6 @@
 #ifndef PPC_TARGET_SIGNAL_H
 #define PPC_TARGET_SIGNAL_H
 
-/* this struct defines a stack used during syscall handling */
-
-typedef struct target_sigaltstack {
-    abi_ulong ss_sp;
-    abi_int ss_flags;
-    abi_ulong ss_size;
-} target_stack_t;
-
-
-/*
- * sigaltstack controls
- */
-#define TARGET_SS_ONSTACK     1
-#define TARGET_SS_DISABLE     2
-
-#define TARGET_MINSIGSTKSZ    2048
-#define TARGET_SIGSTKSZ       8192
-
 #include "../generic/signal.h"
 
 #if !defined(TARGET_PPC64)
diff --git a/linux-user/ppc/target_syscall.h b/linux-user/ppc/target_syscall.h
index b9c4b813d3..8b364697d4 100644
--- a/linux-user/ppc/target_syscall.h
+++ b/linux-user/ppc/target_syscall.h
@@ -71,7 +71,6 @@ struct target_revectored_struct {
 
 #define TARGET_CLONE_BACKWARDS
 
-#define TARGET_MINSIGSTKSZ 2048
 #define TARGET_MCL_CURRENT 0x2000
 #define TARGET_MCL_FUTURE  0x4000
 #define TARGET_MCL_ONFAULT 0x8000