diff options
Diffstat (limited to 'kernel/linker.ld')
-rw-r--r-- | kernel/linker.ld | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/kernel/linker.ld b/kernel/linker.ld new file mode 100644 index 0000000..245f4a7 --- /dev/null +++ b/kernel/linker.ld @@ -0,0 +1,51 @@ +/* +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. + */ +} |