Update related to #36

arch/arc/include/asm/current.h

@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
+ *
+ * Vineetg: May 16th, 2008
+ *  - Current macro is now implemented as "global register" r25
+ */
+
+#ifndef _ASM_ARC_CURRENT_H
+#define _ASM_ARC_CURRENT_H
+
+#ifndef __ASSEMBLY__
+
+#ifdef CONFIG_ARC_CURR_IN_REG
+
+register struct task_struct *curr_arc asm("gp");
+#define current (curr_arc)
+
+#else
+#include <asm-generic/current.h>
+#endif /* ! CONFIG_ARC_CURR_IN_REG */
+
+#endif /* ! __ASSEMBLY__ */
+
+#endif /* _ASM_ARC_CURRENT_H */

include/asm-generic/current.h

@@ -0,0 +1,11 @@
+#ifndef __ASM_GENERIC_CURRENT_H
+#define __ASM_GENERIC_CURRENT_H
+
+#ifndef __ASSEMBLY__
+#include <heisen/thread_info.h>
+
+#define get_current() (current_thread_info()->task)
+#define current get_current()
+#endif
+
+#endif /* __ASM_GENERIC_CURRENT_H */

include/heisen/bug.h

@@ -0,0 +1,96 @@
+#ifndef _LINUX_BUG_H
+#define _LINUX_BUG_H
+
+
+
+
+#include <asm/bug.h>
+#include <heisen/compiler.h>
+#include <heisen/build_bug.h>
+
+enum bug_trap_type {
+	BUG_TRAP_TYPE_NONE = 0,
+	BUG_TRAP_TYPE_WARN = 1,
+	BUG_TRAP_TYPE_BUG = 2,
+};
+
+struct pt_regs;
+
+#ifdef __CHECKER__
+#define MAYBE_BUILD_BUG_ON(cond) (0)
+#else /* __CHECKER__ */
+
+#define MAYBE_BUILD_BUG_ON(cond)			\
+	do {						\
+		if (__builtin_constant_p((cond)))       \
+			BUILD_BUG_ON(cond);             \
+		else                                    \
+			BUG_ON(cond);                   \
+	} while (0)
+
+#endif	/* __CHECKER__ */
+
+#ifdef CONFIG_GENERIC_BUG
+#include <asm-generic/bug.h>
+
+static inline int is_warning_bug(const struct bug_entry *bug)
+{
+	return bug->flags & BUGFLAG_WARNING;
+}
+
+void bug_get_file_line(struct bug_entry *bug, const char **file,
+		       unsigned int *line);
+
+struct bug_entry *find_bug(unsigned long bugaddr);
+
+enum bug_trap_type report_bug(unsigned long bug_addr, struct pt_regs *regs);
+
+/* These are defined by the architecture */
+int is_valid_bugaddr(unsigned long addr);
+
+void generic_bug_clear_once(void);
+
+#else	/* !CONFIG_GENERIC_BUG */
+
+static inline void *find_bug(unsigned long bugaddr)
+{
+	return NULL;
+}
+
+static inline enum bug_trap_type report_bug(unsigned long bug_addr,
+					    struct pt_regs *regs)
+{
+	return BUG_TRAP_TYPE_BUG;
+}
+
+struct bug_entry;
+static inline void bug_get_file_line(struct bug_entry *bug, const char **file,
+				     unsigned int *line)
+{
+	*file = NULL;
+	*line = 0;
+}
+
+static inline void generic_bug_clear_once(void) {}
+
+#endif	/* CONFIG_GENERIC_BUG */
+
+/*
+ * Since detected data corruption should stop operation on the affected
+ * structures. Return value must be checked and sanely acted on by caller.
+ */
+static inline __must_check bool check_data_corruption(bool v) { return v; }
+#define CHECK_DATA_CORRUPTION(condition, fmt, ...)			 \
+	check_data_corruption(({					 \
+		bool corruption = unlikely(condition);			 \
+		if (corruption) {					 \
+			if (IS_ENABLED(CONFIG_BUG_ON_DATA_CORRUPTION)) { \
+				pr_err(fmt, ##__VA_ARGS__);		 \
+				BUG();					 \
+			} else						 \
+				WARN(1, fmt, ##__VA_ARGS__);		 \
+		}							 \
+		corruption;						 \
+	}))
+
+#endif	/* _LINUX_BUG_H */