uclibc: backport an upstream i386 syscall fix

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@45137 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/toolchain/uClibc/patches-0.9.33.2/024-i386-bits-syscalls.h-allow-immediate-values-as-6th-s.patch b/toolchain/uClibc/patches-0.9.33.2/024-i386-bits-syscalls.h-allow-immediate-values-as-6th-s.patch
new file mode 100644 (file)
index 0000000..2f75fbe
--- /dev/null
+++ b/toolchain/uClibc/patches-0.9.33.2/024-i386-bits-syscalls.h-allow-immediate-values-as-6th-s.patch
@@ -0,0 +1,25 @@
+From: Natanael Copa <natanael.copa@gmail.com>
+Date: Thu, 5 Jul 2012 11:55:19 +0000
+Subject: [PATCH] i386/bits/syscalls.h: allow immediate values as 6th syscall
+ arg
+
+Allow use of immedate values as the 6th syscall argument. Otherwise we must
+store the arg on memory. This gives gcc more options to optimize better.
+
+This also works around an issue with posix_fallocate.
+
+Signed-off-by: Natanael Copa <ncopa@alpinelinux.org>
+Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
+---
+
+--- a/libc/sysdeps/linux/i386/bits/syscalls.h
++++ b/libc/sysdeps/linux/i386/bits/syscalls.h
+@@ -136,7 +136,7 @@ __asm__ (
+ #define ASMFMT_5(arg1, arg2, arg3, arg4, arg5) \
+       , "a" (arg1), "c" (arg2), "d" (arg3), "S" (arg4), "D" (arg5)
+ #define ASMFMT_6(arg1, arg2, arg3, arg4, arg5, arg6) \
+-      , "a" (arg1), "c" (arg2), "d" (arg3), "S" (arg4), "D" (arg5), "m" (arg6)
++      , "a" (arg1), "c" (arg2), "d" (arg3), "S" (arg4), "D" (arg5), "g" (arg6)
+ 
+ #else /* !PIC */
+