Added linker.ld file

Added a half-finished linker file with lots of comments.

linker.ld

@@ -0,0 +1,47 @@
+/*
+ * Filename: linker.ld
+ * Micro-Controller: stm32f103c8t6
+ */
+
+
+/*
+ * Program Entry Point:
+ *      This part is put into the elf file header.
+ */
+ENTRY(Reset_Handler)
+
+
+/*
+ * FORMAT:
+ * R: Read only section.
+ * W: Read/Write section.
+ * X: Executable section.
+ * A: Allocation section.
+ * I: Initialized section.
+ * !: Invert following attribute.
+ */
+
+
+/*
+ * MEMORY Format:
+ *  name [(attr)] : ORIGIN = origin, LENGTH = len
+ */
+
+/* You will want to change these values to match your uC.*/
+MEMORY
+{
+    FLASH(rx):ORIGIN =0x08000000,LENGTH =64K
+    SRAM(rwx):ORIGIN =0x20000000,LENGTH =20K
+}
+
+floating_point = 0;
+SECTIONS
+{
+    . = 0x10000;
+    .text : { *(.text) }
+    . = 0x8000000;
+    .data : { *(.data) }
+    .bss : { *(.bss) }
+}
+
+