X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-s390%2Fprocessor.h;h=cbbd114716723729107014b56eda0eca3f043159;hb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;hp=4c9d607021d7fafe18668dbb4cfaa6149d33103a;hpb=a2c21200f1c81b08cb55e417b68150bba439b646;p=linux-2.6.git

diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h
index 4c9d60702..cbbd11471 100644
--- a/include/asm-s390/processor.h
+++ b/include/asm-s390/processor.h
@@ -76,6 +76,8 @@ extern struct task_struct *last_task_used_math;
 
 #define MM_VM_SIZE(mm)		DEFAULT_TASK_SIZE
 
+#define HAVE_ARCH_PICK_MMAP_LAYOUT
+
 typedef struct {
         __u32 ar4;
 } mm_segment_t;
@@ -101,6 +103,25 @@ struct thread_struct {
 
 typedef struct thread_struct thread_struct;
 
+/*
+ * Stack layout of a C stack frame.
+ */
+#ifndef __PACK_STACK
+struct stack_frame {
+	unsigned long back_chain;
+	unsigned long empty1[5];
+	unsigned long gprs[10];
+	unsigned int  empty2[8];
+};
+#else
+struct stack_frame {
+	unsigned long empty1[5];
+	unsigned int  empty2[8];
+	unsigned long gprs[10];
+	unsigned long back_chain;
+};
+#endif
+
 #define ARCH_MIN_TASKALIGN	8
 
 #ifndef __s390x__