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uclibc: backport an upstream i386 syscall fix

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Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 45137
This commit is contained in:
Felix Fietkau 2015-03-29 10:43:07 +00:00
parent 3da7fe6e5b
commit 4ecc5c8ffe
1 changed files with 25 additions and 0 deletions
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toolchain/uClibc/patches-0.9.33.2/024-i386-bits-syscalls.h-allow-immediate-values-as-6th-s.patch Normal file
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@ -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 */