1 files changed, 53 insertions, 0 deletions

diff --git a/arch/um/sys-ppc/miscthings.c b/arch/um/sys-ppc/miscthings.c
new file mode 100644
index 000000000000..373061c50129
--- /dev/null
+++ b/arch/um/sys-ppc/miscthings.c
@@ -0,0 +1,53 @@
+#include "linux/threads.h"
+#include "linux/stddef.h"  // for NULL
+#include "linux/elf.h"  // for AT_NULL
+
+/* The following function nicked from arch/ppc/kernel/process.c and
+ * adapted slightly */
+/*
+ * XXX ld.so expects the auxiliary table to start on
+ * a 16-byte boundary, so we have to find it and
+ * move it up. :-(
+ */
+void shove_aux_table(unsigned long sp)
+{
+        int argc;
+        char *p;
+        unsigned long e;
+        unsigned long aux_start, offset;
+
+        argc = *(int *)sp;
+        sp += sizeof(int) + (argc + 1) * sizeof(char *);
+        /* skip over the environment pointers */
+        do {
+                p = *(char **)sp;
+                sp += sizeof(char *);
+        } while (p != NULL);
+        aux_start = sp;
+        /* skip to the end of the auxiliary table */
+        do {
+                e = *(unsigned long *)sp;
+                sp += 2 * sizeof(unsigned long);
+        } while (e != AT_NULL);
+        offset = ((aux_start + 15) & ~15) - aux_start;
+        if (offset != 0) {
+                do {
+                        sp -= sizeof(unsigned long);
+                        e = *(unsigned long *)sp;
+                        *(unsigned long *)(sp + offset) = e;
+                } while (sp > aux_start);
+        }
+}
+/* END stuff taken from arch/ppc/kernel/process.c */
+
+
+/*
+ * Overrides for Emacs so that we follow Linus's tabbing style.
+ * Emacs will notice this stuff at the end of the file and automatically
+ * adjust the settings for this buffer only.  This must remain at the end
+ * of the file.
+ * ---------------------------------------------------------------------------
+ * Local variables:
+ * c-file-style: "linux"
+ * End:
+ */