text: /*
   * Helper macros to support writing architecture specific
   * linker scripts.
   *
   * A minimal linker scripts has following content:
   * [This is a sample, architectures may have special requiriements]
   *
   * OUTPUT_FORMAT(...)
   * OUTPUT_ARCH(...)
   * ENTRY(...)
   * SECTIONS
   * {
   *	. = START;
   *	__init_begin = .;
   *	HEAD_TEXT_SECTION
   *	INIT_TEXT_SECTION(PAGE_SIZE)
   *	INIT_DATA_SECTION(...)
   *	PERCPU_SECTION(CACHELINE_SIZE)
   *	__init_end = .;
   *
   *	_stext = .;
   *	TEXT_SECTION = 0
   *	_etext = .;
   *
   *      _sdata = .;
   *	RO_DATA_SECTION(PAGE_SIZE)
   *	RW_DATA_SECTION(...)
   *	_edata = .;
   *
   *	EXCEPTION_TABLE(...)
   *	NOTES
   *
   *	BSS_SECTION(0, 0, 0)
   *	_end = .;
   *
   *	STABS_DEBUG
   *	DWARF_DEBUG
   *
   *	DISCARDS		// must be the last
   * }
   *
   * [__init_begin, __init_end] is the init section that may be freed after init
   * 	// __init_begin and __init_end should be page aligned, so that we can
   *	// free the whole .init memory
   * [_stext, _etext] is the text section
   * [_sdata, _edata] is the data section
   *
   * Some of the included output section have their own set of constants.
   * Examples are: [__initramfs_start, __initramfs_end] for initramfs and
   *               [__nosave_begin, __nosave_end] for the nosave data
   */
  
  #ifndef LOAD_OFFSET
  #define LOAD_OFFSET 0
  #endif
  
  #include <linux/export.h>
  
  /* Align . to a 8 byte boundary equals to maximum function alignment. */
  #define ALIGN_FUNCTION()  . = ALIGN(8)
  
  /*
   * Align to a 32 byte boundary equal to the
   * alignment gcc 4.5 uses for a struct
   */
  #define STRUCT_ALIGNMENT 32
  #define STRUCT_ALIGN() . = ALIGN(STRUCT_ALIGNMENT)
  
  /* The actual configuration determine if the init/exit sections
   * are handled as text/data or they can be discarded (which
   * often happens at runtime)
   */
  #ifdef CONFIG_HOTPLUG_CPU
  #define CPU_KEEP(sec)    *(.cpu##sec)
  #define CPU_DISCARD(sec)
  #else
  #define CPU_KEEP(sec)
  #define CPU_DISCARD(sec) *(.cpu##sec)
  #endif
  
  #if defined(CONFIG_MEMORY_HOTPLUG)
  #define MEM_KEEP(sec)    *(.mem##sec)
  #define MEM_DISCARD(sec)
  #else
  #define MEM_KEEP(sec)
  #define MEM_DISCARD(sec) *(.mem##sec)
  #endif
  
  #ifdef CONFIG_FTRACE_MCOUNT_RECORD
  #define MCOUNT_REC()	. = ALIGN(8);				\
  			VMLINUX_SYMBOL(__start_mcount_loc) = .; \
  			*(__mcount_loc)				\
  			VMLINUX_SYMBOL(__stop_mcount_loc) = .;
  #else
  #define MCOUNT_REC()
  #endif
  
  #ifdef CONFIG_TRACE_BRANCH_PROFILING
  #define LIKELY_PROFILE()	VMLINUX_SYMBOL(__start_annotated_branch_profile) = .; \
  				*(_ftrace_annotated_branch)			      \
  				VMLINUX_SYMBOL(__stop_annotated_branch_profile) = .;
  #else
  #define LIKELY_PROFILE()
  #endif
  
  #ifdef CONFIG_PROFILE_ALL_BRANCHES
  #define BRANCH_PROFILE()	VMLINUX_SYMBOL(__start_branch_profile) = .;   \
  				*(_ftrace_branch)			      \
  				VMLINUX_SYMBOL(__stop_branch_profile) = .;
  #else
  #define BRANCH_PROFILE()
  #endif
  
  #ifdef CONFIG_KPROBES
  #define KPROBE_BLACKLIST()	. = ALIGN(8);				      \
  				VMLINUX_SYMBOL(__start_kprobe_blacklist) = .; \
  				*(_kprobe_blacklist)			      \
  				VMLINUX_SYMBOL(__stop_kprobe_blacklist) = .;
  #else
  #define KPROBE_BLACKLIST()
  #endif
  
  #ifdef CONFIG_EVENT_TRACING
  #define FTRACE_EVENTS()	. = ALIGN(8);					\
  			VMLINUX_SYMBOL(__start_ftrace_events) = .;	\
  			*(_ftrace_events)				\
  			VMLINUX_SYMBOL(__stop_ftrace_events) = .;	\
  			VMLINUX_SYMBOL(__start_ftrace_enum_maps) = .;	\
  			*(_ftrace_enum_map)				\
  			VMLINUX_SYMBOL(__stop_ftrace_enum_maps) = .;
  #else
  #define FTRACE_EVENTS()
  #endif
  
  #ifdef CONFIG_TRACING
  #define TRACE_PRINTKS() VMLINUX_SYMBOL(__start___trace_bprintk_fmt) = .;      \
  			 *(__trace_printk_fmt) /* Trace_printk fmt' pointer */ \
  			 VMLINUX_SYMBOL(__stop___trace_bprintk_fmt) = .;
  #define TRACEPOINT_STR() VMLINUX_SYMBOL(__start___tracepoint_str) = .;	\
  			 *(__tracepoint_str) /* Trace_printk fmt' pointer */ \
  			 VMLINUX_SYMBOL(__stop___tracepoint_str) = .;
  #else
  #define TRACE_PRINTKS()
  #define TRACEPOINT_STR()
  #endif
  
  #ifdef CONFIG_FTRACE_SYSCALLS
  #define TRACE_SYSCALLS() . = ALIGN(8);					\
  			 VMLINUX_SYMBOL(__start_syscalls_metadata) = .;	\
  			 *(__syscalls_metadata)				\
  			 VMLINUX_SYMBOL(__stop_syscalls_metadata) = .;
  #else
  #define TRACE_SYSCALLS()
  #endif
  
  #ifdef CONFIG_SERIAL_EARLYCON
  #define EARLYCON_TABLE() STRUCT_ALIGN();			\
  			 VMLINUX_SYMBOL(__earlycon_table) = .;	\
  			 *(__earlycon_table)			\
  			 *(__earlycon_table_end)
  #else
  #define EARLYCON_TABLE()
  #endif
  
  #define ___OF_TABLE(cfg, name)	_OF_TABLE_##cfg(name)
  #define __OF_TABLE(cfg, name)	___OF_TABLE(cfg, name)
  #define OF_TABLE(cfg, name)	__OF_TABLE(config_enabled(cfg), name)
  #define _OF_TABLE_0(name)
  #define _OF_TABLE_1(name)						\
  	. = ALIGN(8);							\
  	VMLINUX_SYMBOL(__##name##_of_table) = .;			\
  	*(__##name##_of_table)						\
  	*(__##name##_of_table_end)
  
  #define CLKSRC_OF_TABLES()	OF_TABLE(CONFIG_CLKSRC_OF, clksrc)
  #define IRQCHIP_OF_MATCH_TABLE() OF_TABLE(CONFIG_IRQCHIP, irqchip)
  #define CLK_OF_TABLES()		OF_TABLE(CONFIG_COMMON_CLK, clk)
  #define IOMMU_OF_TABLES()	OF_TABLE(CONFIG_OF_IOMMU, iommu)
  #define RESERVEDMEM_OF_TABLES()	OF_TABLE(CONFIG_OF_RESERVED_MEM, reservedmem)
  #define CPU_METHOD_OF_TABLES()	OF_TABLE(CONFIG_SMP, cpu_method)
  #define CPUIDLE_METHOD_OF_TABLES() OF_TABLE(CONFIG_CPU_IDLE, cpuidle_method)
  #define EARLYCON_OF_TABLES()	OF_TABLE(CONFIG_SERIAL_EARLYCON, earlycon)
  
  #define KERNEL_DTB()							\
  	STRUCT_ALIGN();							\
  	VMLINUX_SYMBOL(__dtb_start) = .;				\
  	*(.dtb.init.rodata)						\
  	VMLINUX_SYMBOL(__dtb_end) = .;
  
  /* .data section */
  #define DATA_DATA							\
  	*(.data)							\
  	*(.ref.data)							\
  	*(.data..shared_aligned) /* percpu related */			\
  	MEM_KEEP(init.data)						\
  	MEM_KEEP(exit.data)						\
  	*(.data.unlikely)						\
  	STRUCT_ALIGN();							\
  	*(__tracepoints)						\
  	/* implement dynamic printk debug */				\
  	. = ALIGN(8);                                                   \
  	VMLINUX_SYMBOL(__start___jump_table) = .;                       \
  	*(__jump_table)                                                 \
  	VMLINUX_SYMBOL(__stop___jump_table) = .;                        \
  	. = ALIGN(8);							\
  	VMLINUX_SYMBOL(__start___verbose) = .;                          \
  	*(__verbose)                                                    \
  	VMLINUX_SYMBOL(__stop___verbose) = .;				\
  	LIKELY_PROFILE()		       				\
  	BRANCH_PROFILE()						\
  	TRACE_PRINTKS()							\
  	TRACEPOINT_STR()
  
  /*
   * Data section helpers
   */
  #define NOSAVE_DATA							\
  	. = ALIGN(PAGE_SIZE);						\
  	VMLINUX_SYMBOL(__nosave_begin) = .;				\
  	*(.data..nosave)						\
  	. = ALIGN(PAGE_SIZE);						\
  	VMLINUX_SYMBOL(__nosave_end) = .;
  
  #define PAGE_ALIGNED_DATA(page_align)					\
  	. = ALIGN(page_align);						\
  	*(.data..page_aligned)
  
  #define READ_MOSTLY_DATA(align)						\
  	. = ALIGN(align);						\
  	*(.data..read_mostly)						\
  	. = ALIGN(align);
  
  #define CACHELINE_ALIGNED_DATA(align)					\
  	. = ALIGN(align);						\
  	*(.data..cacheline_aligned)
  
  #define INIT_TASK_DATA(align)						\
  	. = ALIGN(align);						\
  	*(.data..init_task)
  
  /*
   * Allow architectures to handle ro_after_init data on their
   * own by defining an empty RO_AFTER_INIT_DATA.
   */
  #ifndef RO_AFTER_INIT_DATA
  #define RO_AFTER_INIT_DATA *(.data..ro_after_init)
  #endif
  
  /*
   * Read only Data
   */
  #define RO_DATA_SECTION(align)						\
  	. = ALIGN((align));						\
  	.rodata           : AT(ADDR(.rodata) - LOAD_OFFSET) {		\
  		VMLINUX_SYMBOL(__start_rodata) = .;			\
  		*(.rodata) *(.rodata.*)					\
  		RO_AFTER_INIT_DATA	/* Read only after init */	\
  		*(__vermagic)		/* Kernel version magic */	\
  		. = ALIGN(8);						\
  		VMLINUX_SYMBOL(__start___tracepoints_ptrs) = .;		\
  		*(__tracepoints_ptrs)	/* Tracepoints: pointer array */\
  		VMLINUX_SYMBOL(__stop___tracepoints_ptrs) = .;		\
  		*(__tracepoints_strings)/* Tracepoints: strings */	\
  	}								\
  									\
  	.rodata1          : AT(ADDR(.rodata1) - LOAD_OFFSET) {		\
  		*(.rodata1)						\
  	}								\
  									\
  	BUG_TABLE							\
  									\
  	/* PCI quirks */						\
  	.pci_fixup        : AT(ADDR(.pci_fixup) - LOAD_OFFSET) {	\
  		VMLINUX_SYMBOL(__start_pci_fixups_early) = .;		\
  		*(.pci_fixup_early)					\
  		VMLINUX_SYMBOL(__end_pci_fixups_early) = .;		\
  		VMLINUX_SYMBOL(__start_pci_fixups_header) = .;		\
  		*(.pci_fixup_header)					\
  		VMLINUX_SYMBOL(__end_pci_fixups_header) = .;		\
  		VMLINUX_SYMBOL(__start_pci_fixups_final) = .;		\
  		*(.pci_fixup_final)					\
  		VMLINUX_SYMBOL(__end_pci_fixups_final) = .;		\
  		VMLINUX_SYMBOL(__start_pci_fixups_enable) = .;		\
  		*(.pci_fixup_enable)					\
  		VMLINUX_SYMBOL(__end_pci_fixups_enable) = .;		\
  		VMLINUX_SYMBOL(__start_pci_fixups_resume) = .;		\
  		*(.pci_fixup_resume)					\
  		VMLINUX_SYMBOL(__end_pci_fixups_resume) = .;		\
  		VMLINUX_SYMBOL(__start_pci_fixups_resume_early) = .;	\
  		*(.pci_fixup_resume_early)				\
  		VMLINUX_SYMBOL(__end_pci_fixups_resume_early) = .;	\
  		VMLINUX_SYMBOL(__start_pci_fixups_suspend) = .;		\
  		*(.pci_fixup_suspend)					\
  		VMLINUX_SYMBOL(__end_pci_fixups_suspend) = .;		\
  		VMLINUX_SYMBOL(__start_pci_fixups_suspend_late) = .;	\
  		*(.pci_fixup_suspend_late)				\
  		VMLINUX_SYMBOL(__end_pci_fixups_suspend_late) = .;	\
  	}								\
  									\
  	/* Built-in firmware blobs */					\
  	.builtin_fw        : AT(ADDR(.builtin_fw) - LOAD_OFFSET) {	\
  		VMLINUX_SYMBOL(__start_builtin_fw) = .;			\
  		*(.builtin_fw)						\
  		VMLINUX_SYMBOL(__end_builtin_fw) = .;			\
  	}								\
  									\
  	TRACEDATA							\
  									\
  	/* Kernel symbol table: Normal symbols */			\
  	__ksymtab         : AT(ADDR(__ksymtab) - LOAD_OFFSET) {		\
  		VMLINUX_SYMBOL(__start___ksymtab) = .;			\
  		*(SORT(___ksymtab+*))					\
  		VMLINUX_SYMBOL(__stop___ksymtab) = .;			\
  	}								\
  									\
  	/* Kernel symbol table: GPL-only symbols */			\
  	__ksymtab_gpl     : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) {	\
  		VMLINUX_SYMBOL(__start___ksymtab_gpl) = .;		\
  		*(SORT(___ksymtab_gpl+*))				\
  		VMLINUX_SYMBOL(__stop___ksymtab_gpl) = .;		\
  	}								\
  									\
  	/* Kernel symbol table: Normal unused symbols */		\
  	__ksymtab_unused  : AT(ADDR(__ksymtab_unused) - LOAD_OFFSET) {	\
  		VMLINUX_SYMBOL(__start___ksymtab_unused) = .;		\
  		*(SORT(___ksymtab_unused+*))				\
  		VMLINUX_SYMBOL(__stop___ksymtab_unused) = .;		\
  	}								\
  									\
  	/* Kernel symbol table: GPL-only unused symbols */		\
  	__ksymtab_unused_gpl : AT(ADDR(__ksymtab_unused_gpl) - LOAD_OFFSET) { \
  		VMLINUX_SYMBOL(__start___ksymtab_unused_gpl) = .;	\
  		*(SORT(___ksymtab_unused_gpl+*))			\
  		VMLINUX_SYMBOL(__stop___ksymtab_unused_gpl) = .;	\
  	}								\
  									\
  	/* Kernel symbol table: GPL-future-only symbols */		\
  	__ksymtab_gpl_future : AT(ADDR(__ksymtab_gpl_future) - LOAD_OFFSET) { \
  		VMLINUX_SYMBOL(__start___ksymtab_gpl_future) = .;	\
  		*(SORT(___ksymtab_gpl_future+*))			\
  		VMLINUX_SYMBOL(__stop___ksymtab_gpl_future) = .;	\
  	}								\
  									\
  	/* Kernel symbol table: Normal symbols */			\
  	__kcrctab         : AT(ADDR(__kcrctab) - LOAD_OFFSET) {		\
  		VMLINUX_SYMBOL(__start___kcrctab) = .;			\
  		*(SORT(___kcrctab+*))					\
  		VMLINUX_SYMBOL(__stop___kcrctab) = .;			\
  	}								\
  									\
  	/* Kernel symbol table: GPL-only symbols */			\
  	__kcrctab_gpl     : AT(ADDR(__kcrctab_gpl) - LOAD_OFFSET) {	\
  		VMLINUX_SYMBOL(__start___kcrctab_gpl) = .;		\
  		*(SORT(___kcrctab_gpl+*))				\
  		VMLINUX_SYMBOL(__stop___kcrctab_gpl) = .;		\
  	}								\
  									\
  	/* Kernel symbol table: Normal unused symbols */		\
  	__kcrctab_unused  : AT(ADDR(__kcrctab_unused) - LOAD_OFFSET) {	\
  		VMLINUX_SYMBOL(__start___kcrctab_unused) = .;		\
  		*(SORT(___kcrctab_unused+*))				\
  		VMLINUX_SYMBOL(__stop___kcrctab_unused) = .;		\
  	}								\
  									\
  	/* Kernel symbol table: GPL-only unused symbols */		\
  	__kcrctab_unused_gpl : AT(ADDR(__kcrctab_unused_gpl) - LOAD_OFFSET) { \
  		VMLINUX_SYMBOL(__start___kcrctab_unused_gpl) = .;	\
  		*(SORT(___kcrctab_unused_gpl+*))			\
  		VMLINUX_SYMBOL(__stop___kcrctab_unused_gpl) = .;	\
  	}								\
  									\
  	/* Kernel symbol table: GPL-future-only symbols */		\
  	__kcrctab_gpl_future : AT(ADDR(__kcrctab_gpl_future) - LOAD_OFFSET) { \
  		VMLINUX_SYMBOL(__start___kcrctab_gpl_future) = .;	\
  		*(SORT(___kcrctab_gpl_future+*))			\
  		VMLINUX_SYMBOL(__stop___kcrctab_gpl_future) = .;	\
  	}								\
  									\
  	/* Kernel symbol table: strings */				\
          __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET) {	\
  		*(__ksymtab_strings)					\
  	}								\
  									\
  	/* __*init sections */						\
  	__init_rodata : AT(ADDR(__init_rodata) - LOAD_OFFSET) {		\
  		*(.ref.rodata)						\
  		MEM_KEEP(init.rodata)					\
  		MEM_KEEP(exit.rodata)					\
  	}								\
  									\
  	/* Built-in module parameters. */				\
  	__param : AT(ADDR(__param) - LOAD_OFFSET) {			\
  		VMLINUX_SYMBOL(__start___param) = .;			\
  		*(__param)						\
  		VMLINUX_SYMBOL(__stop___param) = .;			\
  	}								\
  									\
  	/* Built-in module versions. */					\
  	__modver : AT(ADDR(__modver) - LOAD_OFFSET) {			\
  		VMLINUX_SYMBOL(__start___modver) = .;			\
  		*(__modver)						\
  		VMLINUX_SYMBOL(__stop___modver) = .;			\
  		. = ALIGN((align));					\
  		VMLINUX_SYMBOL(__end_rodata) = .;			\
  	}								\
  	. = ALIGN((align));
  
  /* RODATA & RO_DATA provided for backward compatibility.
   * All archs are supposed to use RO_DATA() */
  #define RODATA          RO_DATA_SECTION(4096)
  #define RO_DATA(align)  RO_DATA_SECTION(align)
  
  #define SECURITY_INIT							\
  	.security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \
  		VMLINUX_SYMBOL(__security_initcall_start) = .;		\
  		*(.security_initcall.init) 				\
  		VMLINUX_SYMBOL(__security_initcall_end) = .;		\
  	}
  
  /* .text section. Map to function alignment to avoid address changes
   * during second ld run in second ld pass when generating System.map */
  #define TEXT_TEXT							\
  		ALIGN_FUNCTION();					\
  		*(.text.hot)						\
  		*(.text .text.fixup)					\
  		*(.ref.text)						\
  	MEM_KEEP(init.text)						\
  	MEM_KEEP(exit.text)						\
  		*(.text.unlikely)
  
  
  /* sched.text is aling to function alignment to secure we have same
   * address even at second ld pass when generating System.map */
  #define SCHED_TEXT							\
  		ALIGN_FUNCTION();					\
  		VMLINUX_SYMBOL(__sched_text_start) = .;			\
  		*(.sched.text)						\
  		VMLINUX_SYMBOL(__sched_text_end) = .;
  
  /* spinlock.text is aling to function alignment to secure we have same
   * address even at second ld pass when generating System.map */
  #define LOCK_TEXT							\
  		ALIGN_FUNCTION();					\
  		VMLINUX_SYMBOL(__lock_text_start) = .;			\
  		*(.spinlock.text)					\
  		VMLINUX_SYMBOL(__lock_text_end) = .;
  
  #define KPROBES_TEXT							\
  		ALIGN_FUNCTION();					\
  		VMLINUX_SYMBOL(__kprobes_text_start) = .;		\
  		*(.kprobes.text)					\
  		VMLINUX_SYMBOL(__kprobes_text_end) = .;
  
  #define ENTRY_TEXT							\
  		ALIGN_FUNCTION();					\
  		VMLINUX_SYMBOL(__entry_text_start) = .;			\
  		*(.entry.text)						\
  		VMLINUX_SYMBOL(__entry_text_end) = .;
  
  #ifdef CONFIG_FUNCTION_GRAPH_TRACER
  #define IRQENTRY_TEXT							\
  		ALIGN_FUNCTION();					\
  		VMLINUX_SYMBOL(__irqentry_text_start) = .;		\
  		*(.irqentry.text)					\
  		VMLINUX_SYMBOL(__irqentry_text_end) = .;
  #else
  #define IRQENTRY_TEXT
  #endif
  
  /* Section used for early init (in .S files) */
  #define HEAD_TEXT  *(.head.text)
  
  #define HEAD_TEXT_SECTION							\
  	.head.text : AT(ADDR(.head.text) - LOAD_OFFSET) {		\
  		HEAD_TEXT						\
  	}
  
  /*
   * Exception table
   */
  #define EXCEPTION_TABLE(align)						\
  	. = ALIGN(align);						\
  	__ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {		\
  		VMLINUX_SYMBOL(__start___ex_table) = .;			\
  		*(__ex_table)						\
  		VMLINUX_SYMBOL(__stop___ex_table) = .;			\
  	}
  
  /*
   * Init task
   */
  #define INIT_TASK_DATA_SECTION(align)					\
  	. = ALIGN(align);						\
  	.data..init_task :  AT(ADDR(.data..init_task) - LOAD_OFFSET) {	\
  		INIT_TASK_DATA(align)					\
  	}
  
  #ifdef CONFIG_CONSTRUCTORS
  #define KERNEL_CTORS()	. = ALIGN(8);			   \
  			VMLINUX_SYMBOL(__ctors_start) = .; \
  			*(.ctors)			   \
  			*(SORT(.init_array.*))		   \
  			*(.init_array)			   \
  			VMLINUX_SYMBOL(__ctors_end) = .;
  #else
  #define KERNEL_CTORS()
  #endif
  
  /* init and exit section handling */
  #define INIT_DATA							\
  	*(.init.data)							\
  	MEM_DISCARD(init.data)						\
  	KERNEL_CTORS()							\
  	MCOUNT_REC()							\
  	*(.init.rodata)							\
  	FTRACE_EVENTS()							\
  	TRACE_SYSCALLS()						\
  	KPROBE_BLACKLIST()						\
  	MEM_DISCARD(init.rodata)					\
  	CLK_OF_TABLES()							\
  	RESERVEDMEM_OF_TABLES()						\
  	CLKSRC_OF_TABLES()						\
  	IOMMU_OF_TABLES()						\
  	CPU_METHOD_OF_TABLES()						\
  	CPUIDLE_METHOD_OF_TABLES()					\
  	KERNEL_DTB()							\
  	IRQCHIP_OF_MATCH_TABLE()					\
  	EARLYCON_TABLE()						\
  	EARLYCON_OF_TABLES()
  
  #define INIT_TEXT							\
  	*(.init.text)							\
  	MEM_DISCARD(init.text)
  
  #define EXIT_DATA							\
  	*(.exit.data)							\
  	MEM_DISCARD(exit.data)						\
  	MEM_DISCARD(exit.rodata)
  
  #define EXIT_TEXT							\
  	*(.exit.text)							\
  	MEM_DISCARD(exit.text)
  
  #define EXIT_CALL							\
  	*(.exitcall.exit)
  
  /*
   * bss (Block Started by Symbol) - uninitialized data
   * zeroed during startup
   */
  #define SBSS(sbss_align)						\
  	. = ALIGN(sbss_align);						\
  	.sbss : AT(ADDR(.sbss) - LOAD_OFFSET) {				\
  		*(.sbss)						\
  		*(.scommon)						\
  	}
  
  /*
   * Allow archectures to redefine BSS_FIRST_SECTIONS to add extra
   * sections to the front of bss.
   */
  #ifndef BSS_FIRST_SECTIONS
  #define BSS_FIRST_SECTIONS
  #endif
  
  #define BSS(bss_align)							\
  	. = ALIGN(bss_align);						\
  	.bss : AT(ADDR(.bss) - LOAD_OFFSET) {				\
  		BSS_FIRST_SECTIONS					\
  		*(.bss..page_aligned)					\
  		*(.dynbss)						\
  		*(.bss)							\
  		*(COMMON)						\
  	}
  
  /*
   * DWARF debug sections.
   * Symbols in the DWARF debugging sections are relative to
   * the beginning of the section so we begin them at 0.
   */
  #define DWARF_DEBUG							\
  		/* DWARF 1 */						\
  		.debug          0 : { *(.debug) }			\
  		.line           0 : { *(.line) }			\
  		/* GNU DWARF 1 extensions */				\
  		.debug_srcinfo  0 : { *(.debug_srcinfo) }		\
  		.debug_sfnames  0 : { *(.debug_sfnames) }		\
  		/* DWARF 1.1 and DWARF 2 */				\
  		.debug_aranges  0 : { *(.debug_aranges) }		\
  		.debug_pubnames 0 : { *(.debug_pubnames) }		\
  		/* DWARF 2 */						\
  		.debug_info     0 : { *(.debug_info			\
  				.gnu.linkonce.wi.*) }			\
  		.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) }		\
  
  		/* Stabs debugging sections.  */
  #define STABS_DEBUG							\
  		.stab 0 : { *(.stab) }					\
  		.stabstr 0 : { *(.stabstr) }				\
  		.stab.excl 0 : { *(.stab.excl) }			\
  		.stab.exclstr 0 : { *(.stab.exclstr) }			\
  		.stab.index 0 : { *(.stab.index) }			\
  		.stab.indexstr 0 : { *(.stab.indexstr) }		\
  		.comment 0 : { *(.comment) }
  
  #ifdef CONFIG_GENERIC_BUG
  #define BUG_TABLE							\
  	. = ALIGN(8);							\
  	__bug_table : AT(ADDR(__bug_table) - LOAD_OFFSET) {		\
  		VMLINUX_SYMBOL(__start___bug_table) = .;		\
  		*(__bug_table)						\
  		VMLINUX_SYMBOL(__stop___bug_table) = .;			\
  	}
  #else
  #define BUG_TABLE
  #endif
  
  #ifdef CONFIG_PM_TRACE
  #define TRACEDATA							\
  	. = ALIGN(4);							\
  	.tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) {		\
  		VMLINUX_SYMBOL(__tracedata_start) = .;			\
  		*(.tracedata)						\
  		VMLINUX_SYMBOL(__tracedata_end) = .;			\
  	}
  #else
  #define TRACEDATA
  #endif
  
  #define NOTES								\
  	.notes : AT(ADDR(.notes) - LOAD_OFFSET) {			\
  		VMLINUX_SYMBOL(__start_notes) = .;			\
  		*(.note.*)						\
  		VMLINUX_SYMBOL(__stop_notes) = .;			\
  	}
  
  #define INIT_SETUP(initsetup_align)					\
  		. = ALIGN(initsetup_align);				\
  		VMLINUX_SYMBOL(__setup_start) = .;			\
  		*(.init.setup)						\
  		VMLINUX_SYMBOL(__setup_end) = .;
  
  #define INIT_CALLS_LEVEL(level)						\
  		VMLINUX_SYMBOL(__initcall##level##_start) = .;		\
  		*(.initcall##level##.init)				\
  		*(.initcall##level##s.init)				\
  
  #define INIT_CALLS							\
  		VMLINUX_SYMBOL(__initcall_start) = .;			\
  		*(.initcallearly.init)					\
  		INIT_CALLS_LEVEL(0)					\
  		INIT_CALLS_LEVEL(1)					\
  		INIT_CALLS_LEVEL(2)					\
  		INIT_CALLS_LEVEL(3)					\
  		INIT_CALLS_LEVEL(4)					\
  		INIT_CALLS_LEVEL(5)					\
  		INIT_CALLS_LEVEL(rootfs)				\
  		INIT_CALLS_LEVEL(6)					\
  		INIT_CALLS_LEVEL(7)					\
  		VMLINUX_SYMBOL(__initcall_end) = .;
  
  #define CON_INITCALL							\
  		VMLINUX_SYMBOL(__con_initcall_start) = .;		\
  		*(.con_initcall.init)					\
  		VMLINUX_SYMBOL(__con_initcall_end) = .;
  
  #define SECURITY_INITCALL						\
  		VMLINUX_SYMBOL(__security_initcall_start) = .;		\
  		*(.security_initcall.init)				\
  		VMLINUX_SYMBOL(__security_initcall_end) = .;
  
  #ifdef CONFIG_BLK_DEV_INITRD
  #define INIT_RAM_FS							\
  	. = ALIGN(4);							\
  	VMLINUX_SYMBOL(__initramfs_start) = .;				\
  	*(.init.ramfs)							\
  	. = ALIGN(8);							\
  	*(.init.ramfs.info)
  #else
  #define INIT_RAM_FS
  #endif
  
  /*
   * Default discarded sections.
   *
   * Some archs want to discard exit text/data at runtime rather than
   * link time due to cross-section references such as alt instructions,
   * bug table, eh_frame, etc.  DISCARDS must be the last of output
   * section definitions so that such archs put those in earlier section
   * definitions.
   */
  #define DISCARDS							\
  	/DISCARD/ : {							\
  	EXIT_TEXT							\
  	EXIT_DATA							\
  	EXIT_CALL							\
  	*(.discard)							\
  	*(.discard.*)							\
  	}
  
  /**
   * PERCPU_INPUT - the percpu input sections
   * @cacheline: cacheline size
   *
   * The core percpu section names and core symbols which do not rely
   * directly upon load addresses.
   *
   * @cacheline is used to align subsections to avoid false cacheline
   * sharing between subsections for different purposes.
   */
  #define PERCPU_INPUT(cacheline)						\
  	VMLINUX_SYMBOL(__per_cpu_start) = .;				\
  	*(.data..percpu..first)						\
  	. = ALIGN(PAGE_SIZE);						\
  	*(.data..percpu..page_aligned)					\
  	. = ALIGN(cacheline);						\
  	*(.data..percpu..read_mostly)					\
  	. = ALIGN(cacheline);						\
  	*(.data..percpu)						\
  	*(.data..percpu..shared_aligned)				\
  	VMLINUX_SYMBOL(__per_cpu_end) = .;
  
  /**
   * PERCPU_VADDR - define output section for percpu area
   * @cacheline: cacheline size
   * @vaddr: explicit base address (optional)
   * @phdr: destination PHDR (optional)
   *
   * Macro which expands to output section for percpu area.
   *
   * @cacheline is used to align subsections to avoid false cacheline
   * sharing between subsections for different purposes.
   *
   * If @vaddr is not blank, it specifies explicit base address and all
   * percpu symbols will be offset from the given address.  If blank,
   * @vaddr always equals @laddr + LOAD_OFFSET.
   *
   * @phdr defines the output PHDR to use if not blank.  Be warned that
   * output PHDR is sticky.  If @phdr is specified, the next output
   * section in the linker script will go there too.  @phdr should have
   * a leading colon.
   *
   * Note that this macros defines __per_cpu_load as an absolute symbol.
   * If there is no need to put the percpu section at a predetermined
   * address, use PERCPU_SECTION.
   */
  #define PERCPU_VADDR(cacheline, vaddr, phdr)				\
  	VMLINUX_SYMBOL(__per_cpu_load) = .;				\
  	.data..percpu vaddr : AT(VMLINUX_SYMBOL(__per_cpu_load)		\
  				- LOAD_OFFSET) {			\
  		PERCPU_INPUT(cacheline)					\
  	} phdr								\
  	. = VMLINUX_SYMBOL(__per_cpu_load) + SIZEOF(.data..percpu);
  
  /**
   * PERCPU_SECTION - define output section for percpu area, simple version
   * @cacheline: cacheline size
   *
   * Align to PAGE_SIZE and outputs output section for percpu area.  This
   * macro doesn't manipulate @vaddr or @phdr and __per_cpu_load and
   * __per_cpu_start will be identical.
   *
   * This macro is equivalent to ALIGN(PAGE_SIZE); PERCPU_VADDR(@cacheline,,)
   * except that __per_cpu_load is defined as a relative symbol against
   * .data..percpu which is required for relocatable x86_32 configuration.
   */
  #define PERCPU_SECTION(cacheline)					\
  	. = ALIGN(PAGE_SIZE);						\
  	.data..percpu	: AT(ADDR(.data..percpu) - LOAD_OFFSET) {	\
  		VMLINUX_SYMBOL(__per_cpu_load) = .;			\
  		PERCPU_INPUT(cacheline)					\
  	}
  
  
  /*
   * Definition of the high level *_SECTION macros
   * They will fit only a subset of the architectures
   */
  
  
  /*
   * Writeable data.
   * All sections are combined in a single .data section.
   * The sections following CONSTRUCTORS are arranged so their
   * typical alignment matches.
   * A cacheline is typical/always less than a PAGE_SIZE so
   * the sections that has this restriction (or similar)
   * is located before the ones requiring PAGE_SIZE alignment.
   * NOSAVE_DATA starts and ends with a PAGE_SIZE alignment which
   * matches the requirement of PAGE_ALIGNED_DATA.
   *
   * use 0 as page_align if page_aligned data is not used */
  #define RW_DATA_SECTION(cacheline, pagealigned, inittask)		\
  	. = ALIGN(PAGE_SIZE);						\
  	.data : AT(ADDR(.data) - LOAD_OFFSET) {				\
  		INIT_TASK_DATA(inittask)				\
  		NOSAVE_DATA						\
  		PAGE_ALIGNED_DATA(pagealigned)				\
  		CACHELINE_ALIGNED_DATA(cacheline)			\
  		READ_MOSTLY_DATA(cacheline)				\
  		DATA_DATA						\
  		CONSTRUCTORS						\
  	}
  
  #define INIT_TEXT_SECTION(inittext_align)				\
  	. = ALIGN(inittext_align);					\
  	.init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {		\
  		VMLINUX_SYMBOL(_sinittext) = .;				\
  		INIT_TEXT						\
  		VMLINUX_SYMBOL(_einittext) = .;				\
  	}
  
  #define INIT_DATA_SECTION(initsetup_align)				\
  	.init.data : AT(ADDR(.init.data) - LOAD_OFFSET) {		\
  		INIT_DATA						\
  		INIT_SETUP(initsetup_align)				\
  		INIT_CALLS						\
  		CON_INITCALL						\
  		SECURITY_INITCALL					\
  		INIT_RAM_FS						\
  	}
  
  #define BSS_SECTION(sbss_align, bss_align, stop_align)			\
  	. = ALIGN(sbss_align);						\
  	VMLINUX_SYMBOL(__bss_start) = .;				\
  	SBSS(sbss_align)						\
  	BSS(bss_align)							\
  	. = ALIGN(stop_align);						\
  	VMLINUX_SYMBOL(__bss_stop) = .;
  