Update libc

.vscode/c_boilerplates.code-snippets

@@ -0,0 +1,28 @@
+{
+	"Fennix Kernel Header": {
+		"prefix": [
+			"head",
+		],
+		"body": [
+			"#ifndef __FENNIX_LIBC_${2:header}_H__",
+			"#define __FENNIX_LIBC_${2:header}_H__",
+			"",
+			"#include <types.h>",
+			"",
+			"$0",
+			"",
+			"#endif // !__FENNIX_LIBC_${2:header}_H__",
+			""
+		],
+		"description": "Create kernel header."
+	},
+	"Fennix Kernel brief": {
+		"prefix": [
+			"brief",
+		],
+		"body": [
+			"/** @brief $0 */"
+		],
+		"description": "Create kernel documentation brief."
+	}
+}

.vscode/c_cpp_properties.json

@@ -0,0 +1,26 @@
+{
+    "configurations": [
+        {
+            "name": "Linux",
+            "includePath": [
+                "${workspaceFolder}/libc/include/**",
+                "${workspaceFolder}/out/system/include**"
+            ],
+            "defines": [
+                "__debug_vscode__",
+                "GIT_COMMIT=\"0000000000000000000000000000000000000000\"",
+                "GIT_COMMIT_SHORT=\"0000000\"",
+                "DEBUG=\"1\""
+            ],
+            "compilerPath": "/usr/bin/gcc",
+            "cStandard": "c17",
+            "cppStandard": "c++20",
+            "intelliSenseMode": "gcc-x64",
+            "configurationProvider": "ms-vscode.makefile-tools",
+            "compilerArgs": [
+                "-pipe",
+            ]
+        }
+    ],
+    "version": 4
+}

Fennix Userspace.code-workspace

@@ -7,7 +7,8 @@
 	"settings": {
 		"debug.allowBreakpointsEverywhere": true,
 		"files.associations": {
-			"fex.hpp": "c"
+			"fex.hpp": "c",
+			"types.h": "c"
 		}
 	}
 }

Makefile

@@ -2,6 +2,7 @@ build:
 	mkdir -p out
 	mkdir -p out/system
 	mkdir -p out/system/lib
+	mkdir -p out/system/include
 	make --quiet -C libc build
 	make --quiet -C apps build
 

libc/Makefile

@@ -1,4 +1,5 @@
 build:
+	cp include/* ../out/system/include
 	make --quiet -C runtime build
 	make --quiet -C libgcc build
 	make --quiet -C src build

libc/include/dlfcn.h

@@ -0,0 +1,11 @@
+#ifndef __FENNIX_LIBC_DLFCN_H__
+#define __FENNIX_LIBC_DLFCN_H__
+
+#include <types.h>
+
+void *dlopen(const char *filename, int flags);
+void *dlsym(void *handle, const char *symbol);
+int dlclose(void *handle);
+char *dlerror(void);
+
+#endif // !__FENNIX_LIBC_DLFCN_H__

libc/include/types.h

@@ -0,0 +1,6 @@
+#ifndef __FENNIX_LIBC_TYPES_H__
+#define __FENNIX_LIBC_TYPES_H__
+
+#define NULL ((void *)0)
+
+#endif // !__FENNIX_LIBC_TYPES_H__

libc/src/dlfcn.c

@@ -0,0 +1,23 @@
+#include <dlfcn.h>
+
+static char *error = "Not implemented";
+
+__attribute__((weak)) void *dlopen(const char *filename, int flags)
+{
+    return NULL;
+}
+
+__attribute__((weak)) void *dlsym(void *handle, const char *symbol)
+{
+    return NULL;
+}
+
+__attribute__((weak)) int dlclose(void *handle)
+{
+    return -1;
+}
+
+__attribute__((weak)) char *dlerror(void)
+{
+    return error;
+}