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164 lines
4.4 KiB
164 lines
4.4 KiB
/* 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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#include <asm-generic/vmlinux.lds.h>
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#include <linux/config.h>
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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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. = 0xffffffff80100000;
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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 : {
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*(.text)
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SCHED_TEXT
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LOCK_TEXT
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*(.fixup)
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*(.gnu.warning)
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} = 0x9090
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.text.lock : { *(.text.lock) } /* out-of-line lock text */
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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 : { *(__ex_table) }
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__stop___ex_table = .;
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RODATA
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.data : { /* Data */
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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 : {
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*(.bss.page_aligned)
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*(.bss)
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}
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__bss_end = .;
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. = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
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.data.cacheline_aligned : { *(.data.cacheline_aligned) }
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#define AFTER(x) BINALIGN(LOADADDR(x) + SIZEOF(x), 16)
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#define BINALIGN(x,y) (((x) + (y) - 1) & ~((y) - 1))
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#define CACHE_ALIGN(x) BINALIGN(x, CONFIG_X86_L1_CACHE_BYTES)
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.vsyscall_0 -10*1024*1024: AT ((LOADADDR(.data.cacheline_aligned) + SIZEOF(.data.cacheline_aligned) + 4095) & ~(4095)) { *(.vsyscall_0) }
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__vsyscall_0 = LOADADDR(.vsyscall_0);
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. = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
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.xtime_lock : AT CACHE_ALIGN(AFTER(.vsyscall_0)) { *(.xtime_lock) }
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xtime_lock = LOADADDR(.xtime_lock);
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.vxtime : AT AFTER(.xtime_lock) { *(.vxtime) }
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vxtime = LOADADDR(.vxtime);
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.wall_jiffies : AT AFTER(.vxtime) { *(.wall_jiffies) }
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wall_jiffies = LOADADDR(.wall_jiffies);
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.sys_tz : AT AFTER(.wall_jiffies) { *(.sys_tz) }
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sys_tz = LOADADDR(.sys_tz);
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.sysctl_vsyscall : AT AFTER(.sys_tz) { *(.sysctl_vsyscall) }
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sysctl_vsyscall = LOADADDR(.sysctl_vsyscall);
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.xtime : AT AFTER(.sysctl_vsyscall) { *(.xtime) }
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xtime = LOADADDR(.xtime);
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. = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
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.jiffies : AT CACHE_ALIGN(AFTER(.xtime)) { *(.jiffies) }
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jiffies = LOADADDR(.jiffies);
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.vsyscall_1 ADDR(.vsyscall_0) + 1024: AT (LOADADDR(.vsyscall_0) + 1024) { *(.vsyscall_1) }
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. = LOADADDR(.vsyscall_0) + 4096;
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. = ALIGN(8192); /* init_task */
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.data.init_task : { *(.data.init_task) }
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. = ALIGN(4096);
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.data.page_aligned : { *(.data.page_aligned) }
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. = ALIGN(4096); /* Init code and data */
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__init_begin = .;
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.init.text : {
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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 : { *(.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 : { *(.init.setup) }
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__setup_end = .;
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__initcall_start = .;
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.initcall.init : {
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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 : { *(.con_initcall.init) }
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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 : { *(.altinstructions) }
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__alt_instructions_end = .;
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.altinstr_replacement : { *(.altinstr_replacement) }
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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 : { *(.exit.text) }
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.exit.data : { *(.exit.data) }
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. = ALIGN(4096);
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__initramfs_start = .;
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.init.ramfs : { *(.init.ramfs) }
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__initramfs_end = .;
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. = ALIGN(32);
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__per_cpu_start = .;
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.data.percpu : { *(.data.percpu) }
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__per_cpu_end = .;
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. = ALIGN(4096);
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__init_end = .;
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. = ALIGN(4096);
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__nosave_begin = .;
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.data_nosave : { *(.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_DEBUG_INFO
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*(.eh_frame)
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#endif
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}
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/* DWARF 2 */
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.debug_info 0 : { *(.debug_info) }
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.debug_abbrev 0 : { *(.debug_abbrev) }
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.debug_line 0 : { *(.debug_line) }
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.debug_frame 0 : { *(.debug_frame) }
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.debug_str 0 : { *(.debug_str) }
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.debug_loc 0 : { *(.debug_loc) }
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.debug_macinfo 0 : { *(.debug_macinfo) }
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/* SGI/MIPS DWARF 2 extensions */
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.debug_weaknames 0 : { *(.debug_weaknames) }
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.debug_funcnames 0 : { *(.debug_funcnames) }
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.debug_typenames 0 : { *(.debug_typenames) }
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.debug_varnames 0 : { *(.debug_varnames) }
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.comment 0 : { *(.comment) }
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}
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