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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-18 09:43:09 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-18 09:43:09 -0700
commit515b696b282f856c3ad1679ccd658120faa387d0 (patch)
treed9d7c1185c396617f128ca23463062308d11393b /arch/sh/include/asm/bug.h
parentfa877c71e2136bd682b45022c96d5e073ced9f58 (diff)
parent064a16dc41be879d12bd5de5d2f9d38d890e0ee7 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (262 commits) sh: mach-ecovec24: Add user debug switch support sh: Kill off unused se_skipped in alignment trap notification code. sh: Wire up HAVE_SYSCALL_TRACEPOINTS. video: sh_mobile_lcdcfb: use both register sets for display panning video: sh_mobile_lcdcfb: implement display panning sh: Fix up sh7705 flush_dcache_page() build. sh: kfr2r09: document the PLL/FLL <-> RF relationship. sh: mach-ecovec24: need asm/clock.h. sh: mach-ecovec24: deassert usb irq on boot. sh: Add KEYSC support for EcoVec24 sh: add kycr2_delay for sh_keysc sh: cpufreq: Include CPU id in info messages. sh: multi-evt support for SH-X3 proto CPU. sh: clkfwk: remove bogus set_bus_parent() from SH7709. sh: Fix the indication point of the liquid crystal of AP-325RXA(AP3300) sh: Add EcoVec24 romImage defconfig sh: USB disable process is needed if romImage boot for EcoVec24 sh: EcoVec24: add HIZA setting for LED sh: EcoVec24: write MAC address in boot sh: Add romImage support for EcoVec24 ...
Diffstat (limited to 'arch/sh/include/asm/bug.h')
-rw-r--r--arch/sh/include/asm/bug.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/sh/include/asm/bug.h b/arch/sh/include/asm/bug.h
index c0171804016..d02c01b3e6b 100644
--- a/arch/sh/include/asm/bug.h
+++ b/arch/sh/include/asm/bug.h
@@ -2,6 +2,7 @@
#define __ASM_SH_BUG_H
#define TRAPA_BUG_OPCODE 0xc33e /* trapa #0x3e */
+#define BUGFLAG_UNWINDER (1 << 1)
#ifdef CONFIG_GENERIC_BUG
#define HAVE_ARCH_BUG
@@ -72,6 +73,36 @@ do { \
unlikely(__ret_warn_on); \
})
+#define UNWINDER_BUG() \
+do { \
+ __asm__ __volatile__ ( \
+ "1:\t.short %O0\n" \
+ _EMIT_BUG_ENTRY \
+ : \
+ : "n" (TRAPA_BUG_OPCODE), \
+ "i" (__FILE__), \
+ "i" (__LINE__), \
+ "i" (BUGFLAG_UNWINDER), \
+ "i" (sizeof(struct bug_entry))); \
+} while (0)
+
+#define UNWINDER_BUG_ON(x) ({ \
+ int __ret_unwinder_on = !!(x); \
+ if (__builtin_constant_p(__ret_unwinder_on)) { \
+ if (__ret_unwinder_on) \
+ UNWINDER_BUG(); \
+ } else { \
+ if (unlikely(__ret_unwinder_on)) \
+ UNWINDER_BUG(); \
+ } \
+ unlikely(__ret_unwinder_on); \
+})
+
+#else
+
+#define UNWINDER_BUG BUG
+#define UNWINDER_BUG_ON BUG_ON
+
#endif /* CONFIG_GENERIC_BUG */
#include <asm-generic/bug.h>