mirror of https://github.com/hak5/openwrt-owl.git
uboot-oxnas: fix build with gcc-5
This backports a patch from upstream u-boot to make it compile with gcc-5. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> SVN-Revision: 47535owl
Hauke Mehrtens
parent
ade2c06d61
commit
dc2b471d6a
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@ -17,11 +17,9 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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disk/part.c | 4 ++--
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disk/part.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/disk/part.c b/disk/part.c
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index 43485c9..7c67ea6 100644
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--- a/disk/part.c
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--- a/disk/part.c
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+++ b/disk/part.c
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+++ b/disk/part.c
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@@ -229,13 +229,13 @@ void dev_print (block_dev_desc_t *dev_desc)
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@@ -229,13 +229,13 @@ void dev_print (block_dev_desc_t *dev_de
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printf (" Supports 48-bit addressing\n");
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printf (" Supports 48-bit addressing\n");
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#endif
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#endif
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#if defined(CONFIG_SYS_64BIT_LBA)
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#if defined(CONFIG_SYS_64BIT_LBA)
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@ -37,6 +35,3 @@ index 43485c9..7c67ea6 100644
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mb_quot, mb_rem,
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mb_quot, mb_rem,
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gb_quot, gb_rem,
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gb_quot, gb_rem,
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(ulong)lba,
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(ulong)lba,
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--
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2.1.3
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@ -0,0 +1,87 @@
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From: Hans de Goede <hdegoede@redhat.com>
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Date: Sat, 7 Feb 2015 21:52:40 +0000 (+0100)
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Subject: Add linux/compiler-gcc5.h to fix builds with gcc5
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X-Git-Tag: v2015.04-rc2~31
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X-Git-Url: http://git.denx.de/?p=u-boot.git;a=commitdiff_plain;h=478b02f1a7043b673565075ea5016376f3293b23
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Add linux/compiler-gcc5.h to fix builds with gcc5
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Add linux/compiler-gcc5/h from the kernel sources at:
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commit 5631b8fba640a4ab2f8a954f63a603fa34eda96b
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Author: Steven Noonan <steven@uplinklabs.net>
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Date: Sat Oct 25 15:09:42 2014 -0700
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compiler/gcc4+: Remove inaccurate comment about 'asm goto' miscompiles
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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---
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--- /dev/null
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+++ b/include/linux/compiler-gcc5.h
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@@ -0,0 +1,65 @@
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+#ifndef __LINUX_COMPILER_H
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+#error "Please don't include <linux/compiler-gcc5.h> directly, include <linux/compiler.h> instead."
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+#endif
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+
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+#define __used __attribute__((__used__))
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+#define __must_check __attribute__((warn_unused_result))
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+#define __compiler_offsetof(a, b) __builtin_offsetof(a, b)
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+
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+/* Mark functions as cold. gcc will assume any path leading to a call
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+ to them will be unlikely. This means a lot of manual unlikely()s
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+ are unnecessary now for any paths leading to the usual suspects
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+ like BUG(), printk(), panic() etc. [but let's keep them for now for
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+ older compilers]
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+
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+ Early snapshots of gcc 4.3 don't support this and we can't detect this
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+ in the preprocessor, but we can live with this because they're unreleased.
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+ Maketime probing would be overkill here.
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+
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+ gcc also has a __attribute__((__hot__)) to move hot functions into
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+ a special section, but I don't see any sense in this right now in
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+ the kernel context */
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+#define __cold __attribute__((__cold__))
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+
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+#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
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+
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+#ifndef __CHECKER__
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+# define __compiletime_warning(message) __attribute__((warning(message)))
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+# define __compiletime_error(message) __attribute__((error(message)))
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+#endif /* __CHECKER__ */
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+
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+/*
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+ * Mark a position in code as unreachable. This can be used to
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+ * suppress control flow warnings after asm blocks that transfer
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+ * control elsewhere.
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+ *
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+ * Early snapshots of gcc 4.5 don't support this and we can't detect
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+ * this in the preprocessor, but we can live with this because they're
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+ * unreleased. Really, we need to have autoconf for the kernel.
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+ */
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+#define unreachable() __builtin_unreachable()
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+
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+/* Mark a function definition as prohibited from being cloned. */
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+#define __noclone __attribute__((__noclone__))
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+
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+/*
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+ * Tell the optimizer that something else uses this function or variable.
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+ */
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+#define __visible __attribute__((externally_visible))
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+
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+/*
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+ * GCC 'asm goto' miscompiles certain code sequences:
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+ *
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+ * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670
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+ *
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+ * Work it around via a compiler barrier quirk suggested by Jakub Jelinek.
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+ *
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+ * (asm goto is automatically volatile - the naming reflects this.)
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+ */
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+#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
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+
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+#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP
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+#define __HAVE_BUILTIN_BSWAP32__
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+#define __HAVE_BUILTIN_BSWAP64__
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+#define __HAVE_BUILTIN_BSWAP16__
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+#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */
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