vanhofen
5 years ago
5 changed files with 272 additions and 0 deletions
@ -0,0 +1,67 @@ |
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diff --git a/include/linux/compiler-gcc9.h b/include/linux/compiler-gcc9.h
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new file mode 100644 |
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index 0000000..ba064fa
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--- /dev/null
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+++ b/include/linux/compiler-gcc9.h
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@@ -0,0 +1,59 @@
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+#ifndef __LINUX_COMPILER_H
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+#error "Please don't include <linux/compiler-gcc9.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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+ 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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+#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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+
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+#define KASAN_ABI_VERSION 6
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--
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2.1.0 |
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@ -0,0 +1,67 @@ |
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diff --git a/include/linux/compiler-gcc8.h b/include/linux/compiler-gcc8.h
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new file mode 100644 |
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index 0000000..ba064fa
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--- /dev/null
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+++ b/include/linux/compiler-gcc8.h
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@@ -0,0 +1,59 @@
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+#ifndef __LINUX_COMPILER_H
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+#error "Please don't include <linux/compiler-gcc8.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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+ 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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+#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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+
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+#define KASAN_ABI_VERSION 4
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--
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2.1.0 |
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@ -0,0 +1,67 @@ |
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diff --git a/include/linux/compiler-gcc9.h b/include/linux/compiler-gcc9.h
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new file mode 100644 |
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index 0000000..ba064fa
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--- /dev/null
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+++ b/include/linux/compiler-gcc9.h
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@@ -0,0 +1,59 @@
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+#ifndef __LINUX_COMPILER_H
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+#error "Please don't include <linux/compiler-gcc9.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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+ 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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+#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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+
|
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+#define KASAN_ABI_VERSION 6
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--
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2.1.0 |
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@ -0,0 +1,67 @@ |
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diff --git a/include/linux/compiler-gcc9.h b/include/linux/compiler-gcc9.h
|
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new file mode 100644 |
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index 0000000..ba064fa
|
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--- /dev/null
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+++ b/include/linux/compiler-gcc9.h
|
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@@ -0,0 +1,59 @@
|
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+#ifndef __LINUX_COMPILER_H
|
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+#error "Please don't include <linux/compiler-gcc9.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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+
|
|||
+/* 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
|
|||
+ like BUG(), printk(), panic() etc. [but let's keep them for now for
|
|||
+ older compilers]
|
|||
+
|
|||
+ 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__))
|
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+
|
|||
+#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
|
|||
+
|
|||
+#ifndef __CHECKER__
|
|||
+# define __compiletime_warning(message) __attribute__((warning(message)))
|
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+# define __compiletime_error(message) __attribute__((error(message)))
|
|||
+#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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+ */
|
|||
+#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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+ * 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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+
|
|||
+#define KASAN_ABI_VERSION 6
|
|||
--
|
|||
2.1.0 |
|||
Loading…
Reference in new issue