src/bsp/lk/arch/x86-64/kernel.ld

/*
 * Copyright (c) 2009 Corey Tabaka
 * Copyright (c) 2013 Travis Geiselbrecht
 * Copyright (c) 2015 Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files
 * (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

ENTRY(_start)
SECTIONS
{
    . = 0x0200000;

	.text : {
		__code_start = .;
		KEEP(*(.text.boot))
		*(.text* .sram.text)
		*(.gnu.linkonce.t.*)
		__code_end = .;
	} =0x9090

	.rodata : ALIGN(4096) {
		__rodata_start = .;
		*(.rodata*)
		*(.gnu.linkonce.r.*)
		. = ALIGN(8);
	}

    /*
     * extra linker scripts tend to insert sections just after .rodata,
     * so we want to make sure this symbol comes after anything inserted above,
     * but not aligned to the next section necessarily.
     */
    .dummy_post_rodata : {
        __rodata_end = .;
    }

	.data : ALIGN(4096) {
		__data_start = .;
		*(.data .data.* .gnu.linkonce.d.*)
	}

	.ctors : ALIGN(4) {
		__ctor_list = .;
		KEEP(*(.ctors .init_array))
		__ctor_end = .;
	}
	.dtors : ALIGN(4) {
		__dtor_list = .;
		KEEP(*(.dtors .fini_array))
		__dtor_end = .;
	}

	.stab   : { *(.stab) }
	.stabst : { *(.stabstr) }

    /*
     * extra linker scripts tend to insert sections just after .data,
     * so we want to make sure this symbol comes after anything inserted above,
     * but not aligned to the next section necessarily.
     */
    .dummy_post_data : {
        __data_end = .;
    }

	.bss : ALIGN(4096) {
		__bss_start = .;
		*(.bss*)
		*(.gnu.linkonce.b.*)
		*(COMMON)
		. = ALIGN(8);
		__bss_end = .;
	}

	_end = .;

	/* put a symbol arbitrarily 4MB past the end of the kernel */
	/* used by the heap and other early boot time allocators */
	_end_of_ram = . + (4*1024*1024);

	/DISCARD/ : { *(.comment .note .eh_frame) }
}