Initial commit

.gitignore

+main.o
+main

Makefile

+ARCH_DEPENDENT  = arm-none-eabi-
+
+CC              = $(ARCH_DEPENDENT)gcc
+LD              = $(ARCH_DEPENDENT)ld
+
+CFLAGS_COMMON   = -Wall
+CFLAGS_COMMON  += -Wextra
+CFLAGS_COMMON  += -Werror
+CFLAGS_COMMON  += -mthumb
+CFLAGS_COMMON  += -mcpu=cortex-m4
+
+CFLAGS_PIC      = $(CFLAGS_COMMON)
+#CFLAGS_PIC     += -msingle-pic-base
+#CFLAGS_PIC     += -mpic-register=r10
+#CFLAGS_PIC     += -mno-pic-data-is-text-relative
+#CFLAGS_PIC     += -fPIC
+
+LDFLAGS         = -Tlink.ld
+LDFLAGS        += -q
+
+SRC             = main.c
+OBJ             = $(SRC:.c=.o)
+
+EXEC            = main
+
+all: $(EXEC)
+
+$(EXEC): $(OBJ)
+	$(LD) $(LDFLAGS) $^ -o $@
+
+%.o: %.c
+	$(CC) $(CFLAGS_PIC) -c $< -o $@
+
+realclean:
+	rm -f $(EXEC) $(OBJ)
+
+.PHONY: all realclean

link.ld

+ENTRY(main)
+
+SECTIONS
+{
+	.text :
+	{
+		*(.text*)
+	}
+
+	.relocate :
+	{
+		*(.data*)
+	}
+}

main.c

+int foovar = 5;
+int *fooptr = &foovar;
+
+int main()
+{
+	return 0;
+}