#ifndef LOAD_OFFSET #define LOAD_OFFSET 0 #endif #ifndef VMLINUX_SYMBOL #define VMLINUX_SYMBOL(_sym_) _sym_ #endif /* Align . to a 8 byte boundary equals to maximum function alignment. */ #define ALIGN_FUNCTION() . = ALIGN(8) /* 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 #define DEV_KEEP(sec) *(.dev##sec) #define DEV_DISCARD(sec) #else #define DEV_KEEP(sec) #define DEV_DISCARD(sec) *(.dev##sec) #endif #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() 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 /* .data section */ #define DATA_DATA \ *(.data) \ *(.data.init.refok) \ *(.ref.data) \ DEV_KEEP(init.data) \ DEV_KEEP(exit.data) \ CPU_KEEP(init.data) \ CPU_KEEP(exit.data) \ MEM_KEEP(init.data) \ MEM_KEEP(exit.data) \ . = ALIGN(8); \ VMLINUX_SYMBOL(__start___markers) = .; \ *(__markers) \ VMLINUX_SYMBOL(__stop___markers) = .; \ . = ALIGN(32); \ VMLINUX_SYMBOL(__start___tracepoints) = .; \ *(__tracepoints) \ VMLINUX_SYMBOL(__stop___tracepoints) = .; \ LIKELY_PROFILE() \ BRANCH_PROFILE() #define RO_DATA(align) \ . = ALIGN((align)); \ .rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \ VMLINUX_SYMBOL(__start_rodata) = .; \ *(.rodata) *(.rodata.*) \ *(__vermagic) /* Kernel version magic */ \ *(__markers_strings) /* Markers: strings */ \ *(__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) = .; \ } \ \ /* Built-in firmware blobs */ \ .builtin_fw : AT(ADDR(.builtin_fw) - LOAD_OFFSET) { \ VMLINUX_SYMBOL(__start_builtin_fw) = .; \ *(.builtin_fw) \ VMLINUX_SYMBOL(__end_builtin_fw) = .; \ } \ \ /* RapidIO route ops */ \ .rio_route : AT(ADDR(.rio_route) - LOAD_OFFSET) { \ VMLINUX_SYMBOL(__start_rio_route_ops) = .; \ *(.rio_route_ops) \ VMLINUX_SYMBOL(__end_rio_route_ops) = .; \ } \ \ TRACEDATA \ \ /* Kernel symbol table: Normal symbols */ \ __ksymtab : AT(ADDR(__ksymtab) - LOAD_OFFSET) { \ VMLINUX_SYMBOL(__start___ksymtab) = .; \ *(__ksymtab) \ VMLINUX_SYMBOL(__stop___ksymtab) = .; \ } \ \ /* Kernel symbol table: GPL-only symbols */ \ __ksymtab_gpl : AT(ADDR(__ksymtab_gpl) - LOAD_OFFSET) { \ VMLINUX_SYMBOL(__start___ksymtab_gpl) = .; \ *(__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) = .; \ *(__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) = .; \ *(__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) = .; \ *(__ksymtab_gpl_future) \ VMLINUX_SYMBOL(__stop___ksymtab_gpl_future) = .; \ } \ \ /* Kernel symbol table: Normal symbols */ \ __kcrctab : AT(ADDR(__kcrctab) - LOAD_OFFSET) { \ VMLINUX_SYMBOL(__start___kcrctab) = .; \ *(__kcrctab) \ VMLINUX_SYMBOL(__stop___kcrctab) = .; \ } \ \ /* Kernel symbol table: GPL-only symbols */ \ __kcrctab_gpl : AT(ADDR(__kcrctab_gpl) - LOAD_OFFSET) { \ VMLINUX_SYMBOL(__start___kcrctab_gpl) = .; \ *(__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) = .; \ *(__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) = .; \ *(__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) = .; \ *(__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) \ MCOUNT_REC() \ DEV_KEEP(init.rodata) \ DEV_KEEP(exit.rodata) \ CPU_KEEP(init.rodata) \ CPU_KEEP(exit.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) = .; \ . = ALIGN((align)); \ VMLINUX_SYMBOL(__end_rodata) = .; \ } \ . = ALIGN((align)); /* RODATA provided for backward compatibility. * All archs are supposed to use RO_DATA() */ #define RODATA RO_DATA(4096) #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) \ *(.ref.text) \ *(.text.init.refok) \ *(.exit.text.refok) \ DEV_KEEP(init.text) \ DEV_KEEP(exit.text) \ CPU_KEEP(init.text) \ CPU_KEEP(exit.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) = .; #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) /* init and exit section handling */ #define INIT_DATA \ *(.init.data) \ DEV_DISCARD(init.data) \ DEV_DISCARD(init.rodata) \ CPU_DISCARD(init.data) \ CPU_DISCARD(init.rodata) \ MEM_DISCARD(init.data) \ MEM_DISCARD(init.rodata) \ /* implement dynamic printk debug */ \ VMLINUX_SYMBOL(__start___verbose_strings) = .; \ *(__verbose_strings) \ VMLINUX_SYMBOL(__stop___verbose_strings) = .; \ . = ALIGN(8); \ VMLINUX_SYMBOL(__start___verbose) = .; \ *(__verbose) \ VMLINUX_SYMBOL(__stop___verbose) = .; #define INIT_TEXT \ *(.init.text) \ DEV_DISCARD(init.text) \ CPU_DISCARD(init.text) \ MEM_DISCARD(init.text) #define EXIT_DATA \ *(.exit.data) \ DEV_DISCARD(exit.data) \ DEV_DISCARD(exit.rodata) \ CPU_DISCARD(exit.data) \ CPU_DISCARD(exit.rodata) \ MEM_DISCARD(exit.data) \ MEM_DISCARD(exit.rodata) #define EXIT_TEXT \ *(.exit.text) \ DEV_DISCARD(exit.text) \ CPU_DISCARD(exit.text) \ MEM_DISCARD(exit.text) /* 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 INITCALLS \ *(.initcallearly.init) \ VMLINUX_SYMBOL(__early_initcall_end) = .; \ *(.initcall0.init) \ *(.initcall0s.init) \ *(.initcall1.init) \ *(.initcall1s.init) \ *(.initcall2.init) \ *(.initcall2s.init) \ *(.initcall3.init) \ *(.initcall3s.init) \ *(.initcall4.init) \ *(.initcall4s.init) \ *(.initcall5.init) \ *(.initcall5s.init) \ *(.initcallrootfs.init) \ *(.initcall6.init) \ *(.initcall6s.init) \ *(.initcall7.init) \ *(.initcall7s.init) /** * PERCPU_VADDR - define output section for percpu area * @vaddr: explicit base address (optional) * @phdr: destination PHDR (optional) * * Macro which expands to output section for percpu area. 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. * * This macro defines three symbols, __per_cpu_load, __per_cpu_start * and __per_cpu_end. The first one is the vaddr of loaded percpu * init data. __per_cpu_start equals @vaddr and __per_cpu_end is the * end offset. */ #define PERCPU_VADDR(vaddr, phdr) \ VMLINUX_SYMBOL(__per_cpu_load_abs) = .; \ .data.percpu vaddr : AT(VMLINUX_SYMBOL(__per_cpu_load_abs) \ - LOAD_OFFSET) { \ VMLINUX_SYMBOL(__per_cpu_start) = .; \ VMLINUX_SYMBOL(__per_cpu_load) = LOADADDR(.data.percpu) + LOAD_OFFSET;\ *(.data.percpu.first) \ *(.data.percpu.page_aligned) \ *(.data.percpu) \ *(.data.percpu.shared_aligned) \ VMLINUX_SYMBOL(__per_cpu_end) = .; \ } phdr \ . = VMLINUX_SYMBOL(__per_cpu_load_abs) + SIZEOF(.data.percpu); /** * PERCPU - define output section for percpu area, simple version * @align: required alignment * * Align to @align and outputs output section for percpu area. This * macro doesn't maniuplate @vaddr or @phdr and __per_cpu_load and * __per_cpu_start will be identical. */ #define PERCPU(align) \ . = ALIGN(align); \ PERCPU_VADDR( , )