diff options
Diffstat (limited to 'tools/mkimage/patches/200-gcc5_compat.patch')
| -rw-r--r-- | tools/mkimage/patches/200-gcc5_compat.patch | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/tools/mkimage/patches/200-gcc5_compat.patch b/tools/mkimage/patches/200-gcc5_compat.patch deleted file mode 100644 index 3ae76a7ff6..0000000000 --- a/tools/mkimage/patches/200-gcc5_compat.patch +++ /dev/null @@ -1,87 +0,0 @@ -From 478b02f1a7043b673565075ea5016376f3293b23 Mon Sep 17 00:00:00 2001 -From: Hans de Goede <hdegoede@redhat.com> -Date: Sat, 7 Feb 2015 22:52:40 +0100 -Subject: [PATCH] Add linux/compiler-gcc5.h to fix builds with gcc5 - -Add linux/compiler-gcc5/h from the kernel sources at: - -commit 5631b8fba640a4ab2f8a954f63a603fa34eda96b -Author: Steven Noonan <steven@uplinklabs.net> -Date: Sat Oct 25 15:09:42 2014 -0700 - - compiler/gcc4+: Remove inaccurate comment about 'asm goto' miscompiles - -Signed-off-by: Hans de Goede <hdegoede@redhat.com> ---- - include/linux/compiler-gcc5.h | 65 +++++++++++++++++++++++++++++++++++++++++ - 1 file changed, 65 insertions(+) - create mode 100644 include/linux/compiler-gcc5.h - ---- /dev/null -+++ b/include/linux/compiler-gcc5.h -@@ -0,0 +1,65 @@ -+#ifndef __LINUX_COMPILER_H -+#error "Please don't include <linux/compiler-gcc5.h> directly, include <linux/compiler.h> instead." -+#endif -+ -+#define __used __attribute__((__used__)) -+#define __must_check __attribute__((warn_unused_result)) -+#define __compiler_offsetof(a, b) __builtin_offsetof(a, b) -+ -+/* Mark functions as cold. gcc will assume any path leading to a call -+ to them will be unlikely. This means a lot of manual unlikely()s -+ are unnecessary now for any paths leading to the usual suspects -+ like BUG(), printk(), panic() etc. [but let's keep them for now for -+ older compilers] -+ -+ Early snapshots of gcc 4.3 don't support this and we can't detect this -+ in the preprocessor, but we can live with this because they're unreleased. -+ Maketime probing would be overkill here. -+ -+ gcc also has a __attribute__((__hot__)) to move hot functions into -+ a special section, but I don't see any sense in this right now in -+ the kernel context */ -+#define __cold __attribute__((__cold__)) -+ -+#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) -+ -+#ifndef __CHECKER__ -+# define __compiletime_warning(message) __attribute__((warning(message))) -+# define __compiletime_error(message) __attribute__((error(message))) -+#endif /* __CHECKER__ */ -+ -+/* -+ * Mark a position in code as unreachable. This can be used to -+ * suppress control flow warnings after asm blocks that transfer -+ * control elsewhere. -+ * -+ * Early snapshots of gcc 4.5 don't support this and we can't detect -+ * this in the preprocessor, but we can live with this because they're -+ * unreleased. Really, we need to have autoconf for the kernel. -+ */ -+#define unreachable() __builtin_unreachable() -+ -+/* Mark a function definition as prohibited from being cloned. */ -+#define __noclone __attribute__((__noclone__)) -+ -+/* -+ * Tell the optimizer that something else uses this function or variable. -+ */ -+#define __visible __attribute__((externally_visible)) -+ -+/* -+ * GCC 'asm goto' miscompiles certain code sequences: -+ * -+ * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670 -+ * -+ * Work it around via a compiler barrier quirk suggested by Jakub Jelinek. -+ * -+ * (asm goto is automatically volatile - the naming reflects this.) -+ */ -+#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0) -+ -+#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP -+#define __HAVE_BUILTIN_BSWAP32__ -+#define __HAVE_BUILTIN_BSWAP64__ -+#define __HAVE_BUILTIN_BSWAP16__ -+#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */ |