Guo Ren 33e53ae1ce csky: Add kprobes supported ... This patch enable kprobes, kretprobes, ftrace interface. It utilized software breakpoint and single step debug exceptions, instructions simulation on csky. We use USR_BKPT replace origin instruction, and the kprobe handler prepares an excutable memory slot for out-of-line execution with a copy of the original instruction being probed. Most of instructions could be executed by single-step, but some instructions need origin pc value to execute and we need software simulate these instructions. Signed-off-by: Guo Ren <guoren@linux.alibaba.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>		2020-04-03 11:14:17 +08:00
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asm	csky: Add kprobes supported	2020-04-03 11:14:17 +08:00
uapi/asm	csky: Fixup compile warning for three unimplemented syscalls	2020-02-21 15:43:25 +08:00