add target to generate CSV symbols map

CMakeLists.txt

@@ -5,6 +5,7 @@ set(CMAKE_C_STANDARD 23)
 set(CMAKE_BUILD_TYPE Debug)
 
 find_library(LZMA_LIBRARY NAMES liblzma.a REQUIRED)
+find_program(SED_COMMAND NAMES sed REQUIRED)
 message(STATUS "Using ${LZMA_LIBRARY}")
 
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
@@ -28,6 +29,17 @@ add_custom_command(
 )
 add_custom_target(gen_lds DEPENDS ${CMAKE_BINARY_DIR}/xzre.lds)
 
+add_custom_command(
+	OUTPUT ${CMAKE_BINARY_DIR}/xzre.csv
+	COMMAND ${CMAKE_C_COMPILER}
+		-DGEN_CSV -x c -E -P
+		${CMAKE_SOURCE_DIR}/xzre.lds.in | sed "/^\\s*$/d;s/^\\s*//" > ${CMAKE_BINARY_DIR}/xzre.csv
+	DEPENDS ${CMAKE_SOURCE_DIR}/xzre.lds.in
+	VERBATIM
+)
+add_custom_target(gen_csv ALL DEPENDS ${CMAKE_BINARY_DIR}/xzre.csv)
+
+
 target_sources(xzre PRIVATE ${SOURCES})
 target_sources(lzma PRIVATE ${SOURCES})
 target_compile_definitions(lzma PRIVATE XZRE_SHARED)

xzre.lds.in

@@ -1,14 +1,21 @@
-#define QUOTED(a)   #a
-#define QUOTE(a)    QUOTED(a)
+#define QUOTED(a) #a
+#define QUOTE(a) QUOTED(a)
 
+#ifdef GEN_CSV
+#define DEFSYM(name, section) QUOTE(name),QUOTE(section)
+#define SECTIONS_BEGIN()
+#define SECTIONS_END(name)
+// CSV header
+name,section
+#else
 #define DEFSYM(name, section) \
 	section : { \
 		QUOTE(name) = QUOTE(.); \
 		*(section); \
 	}
-
 #define SECTIONS_BEGIN() SECTIONS {
 #define SECTIONS_END(name) } INSERT AFTER name;
+#endif
 
 SECTIONS_BEGIN()
 	DEFSYM(x86_dasm, .text.x86_codd)