/* ld script to make x86-64 Linux kernel * Written by Martin Mares ; */ #include #include OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64") OUTPUT_ARCH(i386:x86-64) ENTRY(phys_startup_64) jiffies_64 = jiffies; SECTIONS { . = 0xffffffff80100000; phys_startup_64 = startup_64 - LOAD_OFFSET; _text = .; /* Text and read-only data */ .text : { *(.text) SCHED_TEXT LOCK_TEXT *(.fixup) *(.gnu.warning) } = 0x9090 .text.lock : { *(.text.lock) } /* out-of-line lock text */ _etext = .; /* End of text section */ . = ALIGN(16); /* Exception table */ __start___ex_table = .; __ex_table : { *(__ex_table) } __stop___ex_table = .; RODATA .data : { /* Data */ *(.data) CONSTRUCTORS } _edata = .; /* End of data section */ __bss_start = .; /* BSS */ .bss : { *(.bss.page_aligned) *(.bss) } __bss_end = .; . = ALIGN(CONFIG_X86_L1_CACHE_BYTES); .data.cacheline_aligned : { *(.data.cacheline_aligned) } #define AFTER(x) BINALIGN(LOADADDR(x) + SIZEOF(x), 16) #define BINALIGN(x,y) (((x) + (y) - 1) & ~((y) - 1)) #define CACHE_ALIGN(x) BINALIGN(x, CONFIG_X86_L1_CACHE_BYTES) .vsyscall_0 -10*1024*1024: AT ((LOADADDR(.data.cacheline_aligned) + SIZEOF(.data.cacheline_aligned) + 4095) & ~(4095)) { *(.vsyscall_0) } __vsyscall_0 = LOADADDR(.vsyscall_0); . = ALIGN(CONFIG_X86_L1_CACHE_BYTES); .xtime_lock : AT CACHE_ALIGN(AFTER(.vsyscall_0)) { *(.xtime_lock) } xtime_lock = LOADADDR(.xtime_lock); .vxtime : AT AFTER(.xtime_lock) { *(.vxtime) } vxtime = LOADADDR(.vxtime); .wall_jiffies : AT AFTER(.vxtime) { *(.wall_jiffies) } wall_jiffies = LOADADDR(.wall_jiffies); .sys_tz : AT AFTER(.wall_jiffies) { *(.sys_tz) } sys_tz = LOADADDR(.sys_tz); .sysctl_vsyscall : AT AFTER(.sys_tz) { *(.sysctl_vsyscall) } sysctl_vsyscall = LOADADDR(.sysctl_vsyscall); .xtime : AT AFTER(.sysctl_vsyscall) { *(.xtime) } xtime = LOADADDR(.xtime); . = ALIGN(CONFIG_X86_L1_CACHE_BYTES); .jiffies : AT CACHE_ALIGN(AFTER(.xtime)) { *(.jiffies) } jiffies = LOADADDR(.jiffies); .vsyscall_1 ADDR(.vsyscall_0) + 1024: AT (LOADADDR(.vsyscall_0) + 1024) { *(.vsyscall_1) } . = LOADADDR(.vsyscall_0) + 4096; . = ALIGN(8192); /* init_task */ .data.init_task : { *(.data.init_task) } . = ALIGN(4096); .data.page_aligned : { *(.data.page_aligned) } . = ALIGN(4096); /* Init code and data */ __init_begin = .; .init.text : { _sinittext = .; *(.init.text) _einittext = .; } __initdata_begin = .; .init.data : { *(.init.data) } __initdata_end = .; . = ALIGN(16); __setup_start = .; .init.setup : { *(.init.setup) } __setup_end = .; __initcall_start = .; .initcall.init : { *(.initcall1.init) *(.initcall2.init) *(.initcall3.init) *(.initcall4.init) *(.initcall5.init) *(.initcall6.init) *(.initcall7.init) } __initcall_end = .; __con_initcall_start = .; .con_initcall.init : { *(.con_initcall.init) } __con_initcall_end = .; SECURITY_INIT . = ALIGN(8); __alt_instructions = .; .altinstructions : { *(.altinstructions) } __alt_instructions_end = .; .altinstr_replacement : { *(.altinstr_replacement) } /* .exit.text is discard at runtime, not link time, to deal with references from .altinstructions and .eh_frame */ .exit.text : { *(.exit.text) } .exit.data : { *(.exit.data) } . = ALIGN(4096); __initramfs_start = .; .init.ramfs : { *(.init.ramfs) } __initramfs_end = .; . = ALIGN(32); __per_cpu_start = .; .data.percpu : { *(.data.percpu) } __per_cpu_end = .; . = ALIGN(4096); __init_end = .; . = ALIGN(4096); __nosave_begin = .; .data_nosave : { *(.data.nosave) } . = ALIGN(4096); __nosave_end = .; _end = . ; /* Sections to be discarded */ /DISCARD/ : { *(.exitcall.exit) #ifndef CONFIG_DEBUG_INFO *(.eh_frame) #endif } /* DWARF 2 */ .debug_info 0 : { *(.debug_info) } .debug_abbrev 0 : { *(.debug_abbrev) } .debug_line 0 : { *(.debug_line) } .debug_frame 0 : { *(.debug_frame) } .debug_str 0 : { *(.debug_str) } .debug_loc 0 : { *(.debug_loc) } .debug_macinfo 0 : { *(.debug_macinfo) } /* SGI/MIPS DWARF 2 extensions */ .debug_weaknames 0 : { *(.debug_weaknames) } .debug_funcnames 0 : { *(.debug_funcnames) } .debug_typenames 0 : { *(.debug_typenames) } .debug_varnames 0 : { *(.debug_varnames) } .comment 0 : { *(.comment) } }