Linux-2.6.12-rc2v2.6.12-rc2

Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!

1 files changed, 45 insertions, 0 deletions

diff --git a/arch/ia64/lib/strnlen_user.S b/arch/ia64/lib/strnlen_user.S
new file mode 100644
index 000000000000..d09066b1e49d
--- /dev/null
+++ b/arch/ia64/lib/strnlen_user.S
@@ -0,0 +1,45 @@
+/*
+ * Returns 0 if exception before NUL or reaching the supplied limit (N),
+ * a value greater than N if the string is longer than the limit, else
+ * strlen.
+ *
+ * Inputs:
+ *      in0:    address of buffer
+ *      in1:    string length limit N
+ * Outputs:
+ *      r8:     0 in case of fault, strlen(buffer)+1 otherwise
+ *
+ * Copyright (C) 1999, 2001 David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+
+#include <asm/asmmacro.h>
+
+GLOBAL_ENTRY(__strnlen_user)
+        .prologue
+        alloc r2=ar.pfs,2,0,0,0
+        .save ar.lc, r16
+        mov r16=ar.lc                   // preserve ar.lc
+
+        .body
+
+        add r3=-1,in1
+        ;;
+        mov ar.lc=r3
+        mov r9=0
+        ;;
+        // XXX braindead strlen loop---this needs to be optimized
+.Loop1:
+        EXCLR(.Lexit, ld1 r8=[in0],1)
+        add r9=1,r9
+        ;;
+        cmp.eq p6,p0=r8,r0
+(p6)    br.cond.dpnt .Lexit
+        br.cloop.dptk.few .Loop1
+
+        add r9=1,in1                    // NUL not found---return N+1
+        ;;
+.Lexit:
+        mov r8=r9
+        mov ar.lc=r16                   // restore ar.lc
+        br.ret.sptk.many rp
+END(__strnlen_user)