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OUTPUT_FORMAT(elf64-x86-64)
OUTPUT_ARCH(i386:x86-64)
/* Excecution entry point symbol */
ENTRY(_start)
PHDRS
{
requests PT_LOAD FLAGS((1 << 1) | (1 << 2)); /* Write + Read */
text PT_LOAD FLAGS((1 << 0) | (1 << 2)); /* Execute + Read */
rodata PT_LOAD FLAGS((1 << 2)); /* Read only */
data PT_LOAD FLAGS((1 << 1) | (1 << 2)); /* Write + Read */
dynamic PT_DYNAMIC FLAGS((1 << 1) | (1 << 2)); /* Dynamic PHDR for relocations */
}
SECTIONS
{
/* Places kernel in the top 2GiB of the address space */
. = 0xffffffff80000000;
/* Used to get the beginning and end address of the kernel */
__kernel_begin = .;
.requests : {
KEEP(*(.requests_start_marker))
KEEP(*(.requests))
KEEP(*(.requests_end_marker))
} :requests
. += CONSTANT(MAXPAGESIZE);
/* code. multiboot header comes first */
.text : {
*(.text .text.*)
} :text
. += CONSTANT(MAXPAGESIZE);
/* read only data */
.rodata : {
*(. .rodata.*)
} :rodata
/* init array symbols used to get start and end address of the array */
.init_array : {
__init_array = .;
*(.init_array .init_array.*)
__init_array_end = .;
} :rodata
. += CONSTANT(MAXPAGESIZE);
/* read write data (initialized) */
.data : {
*(.data .data.*)
} :data
/* Dynamic section for relocations, both in its own PHDR and inside data PHDR */
.dynamic : {
*(.dynamic)
} :data :dynamic
. += CONSTANT(MAXPAGESIZE);
/* read write data (uninitialized) and stack */
.bss : {
*(.bss .bss.*)
*(COMMON)
} :data
/* Discard .note.* and .eh_frame since they may cause issues on some hosts */
/DISCARD/ : {
*(.eh_frame)
*(.note .note.*)
}
__kernel_end = .;
}
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