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Diffstat (limited to 'arch/powerpc/include/asm/bug.h')
-rw-r--r--arch/powerpc/include/asm/bug.h30
1 files changed, 25 insertions, 5 deletions
diff --git a/arch/powerpc/include/asm/bug.h b/arch/powerpc/include/asm/bug.h
index e55d1f66b86..3eb53d74107 100644
--- a/arch/powerpc/include/asm/bug.h
+++ b/arch/powerpc/include/asm/bug.h
@@ -3,6 +3,7 @@
#ifdef __KERNEL__
#include <asm/asm-compat.h>
+
/*
* Define an illegal instr to trap on the bug.
* We don't use 0 because that marks the end of a function
@@ -14,6 +15,7 @@
#ifdef CONFIG_BUG
#ifdef __ASSEMBLY__
+#include <asm/asm-offsets.h>
#ifdef CONFIG_DEBUG_BUGVERBOSE
.macro EMIT_BUG_ENTRY addr,file,line,flags
.section __bug_table,"a"
@@ -26,7 +28,7 @@
.previous
.endm
#else
- .macro EMIT_BUG_ENTRY addr,file,line,flags
+.macro EMIT_BUG_ENTRY addr,file,line,flags
.section __bug_table,"a"
5001: PPC_LONG \addr
.short \flags
@@ -66,7 +68,7 @@
_EMIT_BUG_ENTRY \
: : "i" (__FILE__), "i" (__LINE__), \
"i" (0), "i" (sizeof(struct bug_entry))); \
- for(;;) ; \
+ unreachable(); \
} while (0)
#define BUG_ON(x) do { \
@@ -83,12 +85,12 @@
} \
} while (0)
-#define __WARN() do { \
+#define __WARN_TAINT(taint) do { \
__asm__ __volatile__( \
"1: twi 31,0,0\n" \
_EMIT_BUG_ENTRY \
: : "i" (__FILE__), "i" (__LINE__), \
- "i" (BUGFLAG_WARNING), \
+ "i" (BUGFLAG_TAINT(taint)), \
"i" (sizeof(struct bug_entry))); \
} while (0)
@@ -102,7 +104,7 @@
"1: "PPC_TLNEI" %4,0\n" \
_EMIT_BUG_ENTRY \
: : "i" (__FILE__), "i" (__LINE__), \
- "i" (BUGFLAG_WARNING), \
+ "i" (BUGFLAG_TAINT(TAINT_WARN)), \
"i" (sizeof(struct bug_entry)), \
"r" (__ret_warn_on)); \
} \
@@ -113,9 +115,27 @@
#define HAVE_ARCH_BUG_ON
#define HAVE_ARCH_WARN_ON
#endif /* __ASSEMBLY __ */
+#else
+#ifdef __ASSEMBLY__
+.macro EMIT_BUG_ENTRY addr,file,line,flags
+.endm
+#else /* !__ASSEMBLY__ */
+#define _EMIT_BUG_ENTRY
+#endif
#endif /* CONFIG_BUG */
#include <asm-generic/bug.h>
+#ifndef __ASSEMBLY__
+
+struct pt_regs;
+extern int do_page_fault(struct pt_regs *, unsigned long, unsigned long);
+extern void bad_page_fault(struct pt_regs *, unsigned long, int);
+extern void _exception(int, struct pt_regs *, int, unsigned long);
+extern void die(const char *, struct pt_regs *, long);
+extern void print_backtrace(unsigned long *);
+
+#endif /* !__ASSEMBLY__ */
+
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_BUG_H */