[Lldb-commits] [lldb] [LLDB][LoongArch] Fix build errors and extend watchpoint numbers (PR #126020)

[David Spickett via lldb-commits]

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@@ -36,9 +36,30 @@
   0xa03 /* LoongArch Advanced SIMD eXtension registers */
 #endif
 
+#ifndef NT_LOONGARCH_HW_BREAK
+#define NT_LOONGARCH_HW_BREAK	0xa05   /* LoongArch hardware breakpoint registers */
+#endif
+
+#ifndef NT_LOONGARCH_HW_WATCH
+#define NT_LOONGARCH_HW_WATCH	0xa06   /* LoongArch hardware watchpoint registers */
+#endif
+
 #define REG_CONTEXT_SIZE                                                       \
   (GetGPRSize() + GetFPRSize() + sizeof(m_lsx) + sizeof(m_lasx))
 
+// In order to avoid undefined or redefined error, just add a new struct
+// loongarch_user_watch_state in LLDB which is same with the uapi struct
+// user_watch_state_v2.
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DavidSpickett wrote:

This comment needs to give more context, explain what came before, which one lldb uses and the consequences of that re. support for older kernels or not.

https://github.com/llvm/llvm-project/pull/126020