6ab3d5624e
Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
239 lines
6.3 KiB
ArmAsm
239 lines
6.3 KiB
ArmAsm
/* ld script to make x86-64 Linux kernel
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* Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>;
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*/
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#define LOAD_OFFSET __START_KERNEL_map
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#include <asm-generic/vmlinux.lds.h>
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#include <asm/page.h>
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#undef i386 /* in case the preprocessor is a 32bit one */
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OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64")
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OUTPUT_ARCH(i386:x86-64)
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ENTRY(phys_startup_64)
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jiffies_64 = jiffies;
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SECTIONS
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{
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. = __START_KERNEL;
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phys_startup_64 = startup_64 - LOAD_OFFSET;
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_text = .; /* Text and read-only data */
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.text : AT(ADDR(.text) - LOAD_OFFSET) {
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/* First the code that has to be first for bootstrapping */
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*(.bootstrap.text)
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/* Then all the functions that are "hot" in profiles, to group them
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onto the same hugetlb entry */
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#include "functionlist"
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/* Then the rest */
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*(.text)
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SCHED_TEXT
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LOCK_TEXT
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KPROBES_TEXT
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*(.fixup)
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*(.gnu.warning)
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} = 0x9090
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/* out-of-line lock text */
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.text.lock : AT(ADDR(.text.lock) - LOAD_OFFSET) { *(.text.lock) }
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_etext = .; /* End of text section */
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. = ALIGN(16); /* Exception table */
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__start___ex_table = .;
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__ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { *(__ex_table) }
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__stop___ex_table = .;
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RODATA
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#ifdef CONFIG_STACK_UNWIND
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. = ALIGN(8);
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.eh_frame : AT(ADDR(.eh_frame) - LOAD_OFFSET) {
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__start_unwind = .;
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*(.eh_frame)
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__end_unwind = .;
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}
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#endif
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/* Data */
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.data : AT(ADDR(.data) - LOAD_OFFSET) {
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*(.data)
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CONSTRUCTORS
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}
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_edata = .; /* End of data section */
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__bss_start = .; /* BSS */
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.bss : AT(ADDR(.bss) - LOAD_OFFSET) {
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*(.bss.page_aligned)
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*(.bss)
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}
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__bss_stop = .;
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. = ALIGN(PAGE_SIZE);
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. = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
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.data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) {
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*(.data.cacheline_aligned)
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}
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. = ALIGN(CONFIG_X86_INTERNODE_CACHE_BYTES);
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.data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) {
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*(.data.read_mostly)
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}
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#define VSYSCALL_ADDR (-10*1024*1024)
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#define VSYSCALL_PHYS_ADDR ((LOADADDR(.data.read_mostly) + SIZEOF(.data.read_mostly) + 4095) & ~(4095))
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#define VSYSCALL_VIRT_ADDR ((ADDR(.data.read_mostly) + SIZEOF(.data.read_mostly) + 4095) & ~(4095))
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#define VLOAD_OFFSET (VSYSCALL_ADDR - VSYSCALL_PHYS_ADDR)
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#define VLOAD(x) (ADDR(x) - VLOAD_OFFSET)
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#define VVIRT_OFFSET (VSYSCALL_ADDR - VSYSCALL_VIRT_ADDR)
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#define VVIRT(x) (ADDR(x) - VVIRT_OFFSET)
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. = VSYSCALL_ADDR;
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.vsyscall_0 : AT(VSYSCALL_PHYS_ADDR) { *(.vsyscall_0) }
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__vsyscall_0 = VSYSCALL_VIRT_ADDR;
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. = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
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.xtime_lock : AT(VLOAD(.xtime_lock)) { *(.xtime_lock) }
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xtime_lock = VVIRT(.xtime_lock);
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.vxtime : AT(VLOAD(.vxtime)) { *(.vxtime) }
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vxtime = VVIRT(.vxtime);
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.wall_jiffies : AT(VLOAD(.wall_jiffies)) { *(.wall_jiffies) }
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wall_jiffies = VVIRT(.wall_jiffies);
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.sys_tz : AT(VLOAD(.sys_tz)) { *(.sys_tz) }
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sys_tz = VVIRT(.sys_tz);
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.sysctl_vsyscall : AT(VLOAD(.sysctl_vsyscall)) { *(.sysctl_vsyscall) }
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sysctl_vsyscall = VVIRT(.sysctl_vsyscall);
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.xtime : AT(VLOAD(.xtime)) { *(.xtime) }
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xtime = VVIRT(.xtime);
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. = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
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.jiffies : AT(VLOAD(.jiffies)) { *(.jiffies) }
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jiffies = VVIRT(.jiffies);
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.vsyscall_1 ADDR(.vsyscall_0) + 1024: AT(VLOAD(.vsyscall_1)) { *(.vsyscall_1) }
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.vsyscall_2 ADDR(.vsyscall_0) + 2048: AT(VLOAD(.vsyscall_2)) { *(.vsyscall_2) }
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.vsyscall_3 ADDR(.vsyscall_0) + 3072: AT(VLOAD(.vsyscall_3)) { *(.vsyscall_3) }
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. = VSYSCALL_VIRT_ADDR + 4096;
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#undef VSYSCALL_ADDR
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#undef VSYSCALL_PHYS_ADDR
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#undef VSYSCALL_VIRT_ADDR
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#undef VLOAD_OFFSET
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#undef VLOAD
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#undef VVIRT_OFFSET
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#undef VVIRT
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. = ALIGN(8192); /* init_task */
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.data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
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*(.data.init_task)
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}
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. = ALIGN(4096);
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.data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
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*(.data.page_aligned)
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}
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/* might get freed after init */
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. = ALIGN(4096);
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__smp_alt_begin = .;
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__smp_alt_instructions = .;
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.smp_altinstructions : AT(ADDR(.smp_altinstructions) - LOAD_OFFSET) {
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*(.smp_altinstructions)
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}
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__smp_alt_instructions_end = .;
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. = ALIGN(8);
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__smp_locks = .;
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.smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) {
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*(.smp_locks)
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}
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__smp_locks_end = .;
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.smp_altinstr_replacement : AT(ADDR(.smp_altinstr_replacement) - LOAD_OFFSET) {
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*(.smp_altinstr_replacement)
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}
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. = ALIGN(4096);
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__smp_alt_end = .;
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. = ALIGN(4096); /* Init code and data */
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__init_begin = .;
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.init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
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_sinittext = .;
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*(.init.text)
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_einittext = .;
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}
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__initdata_begin = .;
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.init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { *(.init.data) }
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__initdata_end = .;
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. = ALIGN(16);
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__setup_start = .;
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.init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) { *(.init.setup) }
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__setup_end = .;
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__initcall_start = .;
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.initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
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*(.initcall1.init)
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*(.initcall2.init)
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*(.initcall3.init)
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*(.initcall4.init)
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*(.initcall5.init)
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*(.initcall6.init)
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*(.initcall7.init)
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}
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__initcall_end = .;
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__con_initcall_start = .;
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.con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
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*(.con_initcall.init)
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}
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__con_initcall_end = .;
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SECURITY_INIT
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. = ALIGN(8);
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__alt_instructions = .;
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.altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) {
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*(.altinstructions)
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}
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__alt_instructions_end = .;
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.altinstr_replacement : AT(ADDR(.altinstr_replacement) - LOAD_OFFSET) {
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*(.altinstr_replacement)
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}
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/* .exit.text is discard at runtime, not link time, to deal with references
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from .altinstructions and .eh_frame */
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.exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { *(.exit.text) }
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.exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { *(.exit.data) }
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. = ALIGN(4096);
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__initramfs_start = .;
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.init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { *(.init.ramfs) }
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__initramfs_end = .;
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/* temporary here to work around NR_CPUS. If you see this comment in 2.6.17+
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complain */
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. = ALIGN(4096);
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__init_end = .;
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. = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
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__per_cpu_start = .;
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.data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { *(.data.percpu) }
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__per_cpu_end = .;
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. = ALIGN(4096);
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__nosave_begin = .;
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.data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { *(.data.nosave) }
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. = ALIGN(4096);
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__nosave_end = .;
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_end = . ;
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/* Sections to be discarded */
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/DISCARD/ : {
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*(.exitcall.exit)
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#ifndef CONFIG_UNWIND_INFO
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*(.eh_frame)
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#endif
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}
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STABS_DEBUG
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DWARF_DEBUG
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}
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