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sh: Add kprobe-based event tracer.

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This follows the x86/ppc changes for kprobe-based event tracing on sh.
While kprobes is only supported on 32-bit sh, we provide the API for
HAVE_REGS_AND_STACK_ACCESS_API for both 32 and 64-bit.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2010-06-14 15:16:53 +09:00
parent 9973e38575
commit eaaaeef392
9 changed files with 229 additions and 13 deletions
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arch/sh/include/asm/kprobes.h
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@@ -16,7 +16,6 @@ typedef insn_size_t kprobe_opcode_t;
? (MAX_STACK_SIZE) \
: (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR)))
#define regs_return_value(_regs) ((_regs)->regs[0])
#define flush_insn_slot(p) do { } while (0)
#define kretprobe_blacklist_size 0