root/kernel.ld

/*   */

/* Simple linker script for the JOS kernel.
   See the GNU ld 'info' manual ("info ld") to learn the syntax. */

OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
OUTPUT_ARCH(i386)
ENTRY(_start)

SECTIONS
{
        /* Link the kernel at this address: "." means the current address */
        /* Must be equal to KERNLINK */
        . = 0x80100000;

        .text : AT(0x100000) {
                *(.text .stub .text.* .gnu.linkonce.t.*)
        }

        PROVIDE(etext = .);     /* Define the 'etext' symbol to this value */

        .rodata : {
                *(.rodata .rodata.* .gnu.linkonce.r.*)
        }

        /* Include debugging information in kernel memory */
        .stab : {
                PROVIDE(__STAB_BEGIN__ = .);
                *(.stab);
                PROVIDE(__STAB_END__ = .);
        }

        .stabstr : {
                PROVIDE(__STABSTR_BEGIN__ = .);
                *(.stabstr);
                PROVIDE(__STABSTR_END__ = .);
        }

        /* Adjust the address for the data segment to the next page */
        . = ALIGN(0x1000);

        /* Conventionally, Unix linkers provide pseudo-symbols
         * etext, edata, and end, at the end of the text, data, and bss.
         * For the kernel mapping, we need the address at the beginning
         * of the data section, but that's not one of the conventional
         * symbols, because the convention started before there was a
         * read-only rodata section between text and data. */
        PROVIDE(data = .);

        /* The data segment */
        .data : {
                *(.data)
        }

        PROVIDE(edata = .);

        .bss : {
                *(.bss)
        }

        PROVIDE(end = .);

        /DISCARD/ : {
                *(.eh_frame .note.GNU-stack)
        }
}

/*   */