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-rw-r--r--kernel/linker.ld51
1 files changed, 51 insertions, 0 deletions
diff --git a/kernel/linker.ld b/kernel/linker.ld
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--- /dev/null
+++ b/kernel/linker.ld
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+/*
+The bootloader will look at this image and start execution at the
+symbol designated as the entry point.
+*/
+ENTRY(_start)
+
+/* Tell where the various sections of the object files will be put
+in the final kernel image. */
+SECTIONS
+{
+ /*
+ Begin putting sections at 1 MiB, a conventional place for kernels to be
+ loaded at by the bootloader.
+ */
+ . = 1M;
+
+ /*
+ First put the multiboot header, as it is required to be put very early
+ in the image or the bootloader won't recognize the file format.
+ Next we'll put the .text section.
+ */
+ .text BLOCK(4K) : ALIGN(4K)
+ {
+ *(.multiboot)
+ *(.text)
+ }
+
+ /* Read-only data. */
+ .rodata BLOCK(4K) : ALIGN(4K)
+ {
+ *(.rodata)
+ }
+
+ /* Read-write data (initialized) */
+ .data BLOCK(4K) : ALIGN(4K)
+ {
+ *(.data)
+ }
+
+ /* Read-write data (uninitialized) and stack */
+ .bss BLOCK(4K) : ALIGN(4K)
+ {
+ *(COMMON)
+ *(.bss)
+ }
+
+ /*
+ The compiler may produce other sections, by default it will put them in
+ a segment with the same name. Simply add stuff here as needed.
+ */
+}