更好的Panic、

cmake/gen_kernel_symbols.cmake

@@ -0,0 +1,52 @@
+cmake_minimum_required(VERSION 3.20)
+
+if(NOT DEFINED NM_TOOL OR "${NM_TOOL}" STREQUAL "")
+    message(FATAL_ERROR "NM_TOOL is required")
+endif()
+
+if(NOT DEFINED KERNEL_ELF OR "${KERNEL_ELF}" STREQUAL "")
+    message(FATAL_ERROR "KERNEL_ELF is required")
+endif()
+
+if(NOT DEFINED OUT_SYMBOL_FILE OR "${OUT_SYMBOL_FILE}" STREQUAL "")
+    message(FATAL_ERROR "OUT_SYMBOL_FILE is required")
+endif()
+
+execute_process(
+    COMMAND "${NM_TOOL}" -n "${KERNEL_ELF}"
+    RESULT_VARIABLE _nm_result
+    OUTPUT_VARIABLE _nm_output
+    ERROR_VARIABLE _nm_error
+)
+
+if(NOT _nm_result EQUAL 0)
+    message(FATAL_ERROR "failed to run nm (${_nm_result}): ${_nm_error}")
+endif()
+
+string(REPLACE "\r\n" "\n" _nm_output "${_nm_output}")
+string(REPLACE "\r" "\n" _nm_output "${_nm_output}")
+string(REPLACE "\n" ";" _nm_lines "${_nm_output}")
+
+set(_out_text "CLEONOS_KERNEL_SYMBOLS_V1\n")
+
+foreach(_line IN LISTS _nm_lines)
+    string(STRIP "${_line}" _line)
+
+    if(_line STREQUAL "")
+        continue()
+    endif()
+
+    if(_line MATCHES "^([0-9A-Fa-f]+)[ \t]+([tTwW])[ \t]+(.+)$")
+        set(_addr "${CMAKE_MATCH_1}")
+        set(_name "${CMAKE_MATCH_3}")
+
+        if(_name MATCHES "^\\.")
+            continue()
+        endif()
+
+        string(TOUPPER "${_addr}" _addr_upper)
+        set(_out_text "${_out_text}0X${_addr_upper} ${_name}\n")
+    endif()
+endforeach()
+
+file(WRITE "${OUT_SYMBOL_FILE}" "${_out_text}")