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authorWill Deacon <will.deacon@arm.com>2013-03-16 08:48:13 +0000
committerCatalin Marinas <catalin.marinas@arm.com>2013-06-12 11:23:02 +0100
commit1442b6ed249d2b3d2cfcf45b65ac64393495c96c (patch)
tree440be3115d6d3ac4aa766c295d9b15c8160da38f /arch/arm64/include/asm/debug-monitors.h
parentadace89562c7a9645b8dc84f6e1ac7ba8756094e (diff)
downloadlinux-1442b6ed249d2b3d2cfcf45b65ac64393495c96c.tar.bz2
arm64: debug: consolidate software breakpoint handlers
The software breakpoint handlers are hooked in directly from ptrace, which makes it difficult to add additional handlers for things like kprobes and kgdb. This patch moves the handling code into debug-monitors.c, where we can dispatch to different debug subsystems more easily. Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/debug-monitors.h')
-rw-r--r--arch/arm64/include/asm/debug-monitors.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/debug-monitors.h b/arch/arm64/include/asm/debug-monitors.h
index 7eaa0b302493..ef8235c68c09 100644
--- a/arch/arm64/include/asm/debug-monitors.h
+++ b/arch/arm64/include/asm/debug-monitors.h
@@ -83,6 +83,15 @@ static inline int reinstall_suspended_bps(struct pt_regs *regs)
}
#endif
+#ifdef CONFIG_COMPAT
+int aarch32_break_handler(struct pt_regs *regs);
+#else
+static int aarch32_break_handler(struct pt_regs *regs)
+{
+ return -EFAULT;
+}
+#endif
+
#endif /* __ASSEMBLY */
#endif /* __KERNEL__ */
#endif /* __ASM_DEBUG_MONITORS_H */