Add dynamic linking support

JIRA: RTOS-664
phoenix-rtos · Aug 7, 2024 · cc65c5e · cc65c5e
1 parent d797ccf
commit cc65c5e
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Showing 8 changed files with 94 additions and 4 deletions.
diff --git a/_user/sharedlib/Makefile b/_user/sharedlib/Makefile
@@ -0,0 +1,18 @@
+#
+# Makefile for user application
+#
+# Copyright 2024 Phoenix Systems
+#
+
+NAME := libdyn
+LOCAL_HEADERS := dyn.h
+LOCAL_SRCS := dyn.c
+
+include $(shared-lib.mk)
+
+
+NAME := sharedlib
+LOCAL_SRCS := main.c
+DEP_LIBS_SHARED := libdyn
+
+include $(binary-dyn.mk)
diff --git a/_user/sharedlib/dyn.c b/_user/sharedlib/dyn.c
@@ -0,0 +1,25 @@
+/*
+ * Phoenix-RTOS
+ *
+ * sharedlib
+ *
+ * Example of user application using shared libraries.
+ *
+ * Copyright 2024 Phoenix Systems
+ * Author: Hubert Badocha
+ *
+ * This file is part of Phoenix-RTOS.
+ *
+ * %LICENSE%
+ */
+
+#include "dyn.h"
+
+
+extern void *_DYNAMIC;
+
+
+void *dyn(void)
+{
+	return &_DYNAMIC;
+}
diff --git a/_user/sharedlib/dyn.h b/_user/sharedlib/dyn.h
@@ -0,0 +1,22 @@
+/*
+ * Phoenix-RTOS
+ *
+ * sharedlib
+ *
+ * Example of user application using shared libraries.
+ *
+ * Copyright 2024 Phoenix Systems
+ * Author: Hubert Badocha
+ *
+ * This file is part of Phoenix-RTOS.
+ *
+ * %LICENSE%
+ */
+
+
+#ifndef _USER_SHAREDLIB_DYN_H_
+#define _USER_SHAREDLIB_DYN_H_
+
+void *dyn(void);
+
+#endif
diff --git a/_user/sharedlib/main.c b/_user/sharedlib/main.c
@@ -0,0 +1,25 @@
+/*
+ * Phoenix-RTOS
+ *
+ * sharedlib
+ *
+ * Example of user application using shared libraries.
+ *
+ * Copyright 2024 Phoenix Systems
+ * Author: Hubert Badocha
+ *
+ * This file is part of Phoenix-RTOS.
+ *
+ * %LICENSE%
+ */
+
+#include <stdio.h>
+
+#include "dyn.h"
+
+int main(void)
+{
+	printf("Dynamic section pointer %p\n", dyn());
+
+	return 0;
+}
diff --git a/libphoenix b/libphoenix
diff --git a/phoenix-rtos-build b/phoenix-rtos-build
diff --git a/phoenix-rtos-kernel b/phoenix-rtos-kernel
diff --git a/phoenix-rtos-utils b/phoenix-rtos-utils