csky: Implement ptrace regs and stack API
Needed for kprobes support. Copied and adapted from Patrick's patch,
but it has been modified for csky's pt_regs.
ref:
https://lore.kernel.org/linux-riscv/[email protected]/raw
Signed-off-by: Guo Ren <[email protected]>
Cc: Patrick Staehlin <[email protected]>
diff --git a/arch/csky/Kconfig b/arch/csky/Kconfig
index 047427f..2dfd3fb 100644
--- a/arch/csky/Kconfig
+++ b/arch/csky/Kconfig
@@ -48,6 +48,7 @@
select HAVE_PERF_REGS
select HAVE_PERF_USER_STACK_DUMP
select HAVE_DMA_CONTIGUOUS
+ select HAVE_REGS_AND_STACK_ACCESS_API
select HAVE_STACKPROTECTOR
select HAVE_SYSCALL_TRACEPOINTS
select MAY_HAVE_SPARSE_IRQ
