add heload, mid commit

CMakeLists.txt

@@ -6,6 +6,7 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 set(CMAKE_CXX_STANDARD 17)
 
 add_subdirectory(3rd/SDL EXCLUDE_FROM_ALL)
+add_subdirectory(heload)
 add_subdirectory(hiisi)
 
 target_link_options(SDL3-shared PRIVATE -Wl,-z,nodelete)
@@ -13,4 +14,4 @@ target_link_options(SDL3-shared PRIVATE -Wl,-z,nodelete)
 add_executable(hiisi-run
   hiisi/main.cpp)
 
-target_link_libraries(hiisi-run)
+target_link_libraries(hiisi-run heload)

heload/CMakeLists.txt

@@ -0,0 +1,34 @@
+cmake_minimum_required(VERSION 3.21)
+project(Heload)
+
+# I just like to have this with my tooling
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+set(CMAKE_C_STANDARD 99)
+
+add_library(heload SHARED
+  src/heload.c
+)
+
+# Specify the public headers location
+target_include_directories(heload PUBLIC
+    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include> # During build
+    $<INSTALL_INTERFACE:include>  # When installed
+)
+
+install(TARGETS heload
+  EXPORT heloadTargets
+  ARCHIVE DESTINATION lib
+  LIBRARY DESTINATION lib
+  RUNTIME DESTINATION bin
+)
+
+# Install header files
+install(DIRECTORY include/ DESTINATION include)
+
+# Export the library for find_package()
+install(EXPORT heloadTargets
+    FILE heloadConfig.cmake
+    DESTINATION lib/cmake/heload
+)
+
+export(TARGETS heload FILE heloadConfig.cmake)

heload/include/heload/heload.h

@@ -0,0 +1,7 @@
+#ifndef HELOAD_H_
+#define HELOAD_H_
+
+void print_module_info(const char *module_name);
+
+
+#endif // HELOAD_H_

heload/src/heload.c

@@ -0,0 +1,15 @@
+#include "heload/heload.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <dlfcn.h>
+#include <link.h>
+
+
+void print_module_info(const char *module_name) {
+  void *module = dlopen(module_name, RTLD_NOW);
+
+  struct Lmid_t *lmid;
+  dlinfo(module, RTLD_DI_LMID, lmid);
+
+}

hiisi/main.cpp

@@ -1,4 +1,5 @@
 #include "hiisi.h"
+#include "heload/heload.h"
 
 #include <assert.h>
 #include <stdio.h>