diff options
Diffstat (limited to 'arch/x86_64/kernel/vmlinux.lds.S')
| -rw-r--r-- | arch/x86_64/kernel/vmlinux.lds.S | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/vmlinux.lds.S b/arch/x86_64/kernel/vmlinux.lds.S new file mode 100644 index 00000000000..59ebd5beda8 --- /dev/null +++ b/arch/x86_64/kernel/vmlinux.lds.S @@ -0,0 +1,164 @@ +/* ld script to make x86-64 Linux kernel + * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>; + */ + +#include <asm-generic/vmlinux.lds.h> +#include <linux/config.h> + +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) } +} |