forked from Minki/linux
x86: beautify vmlinux_64.lds.S
Beautify vmlinux_64.lds.S: - Use tabs for indent - Located curly braces like in C code - Rearranged a few comments There is no functional changes in this patch The beautification is done to prepare a unification of the _32 and the _64 variants of the linker scripts. [ Impact: cleanup ] Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Tim Abbott <tabbott@MIT.EDU> Cc: Linus Torvalds <torvalds@linux-foundation.org> LKML-Reference: <20090426210742.GA3464@uranus.ravnborg.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Sam Ravnborg
Ingo Molnar
parent
d1f0ae5e2e
commit
0a3ec21fcd
@ -15,69 +15,79 @@ OUTPUT_ARCH(i386:x86-64)
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ENTRY(phys_startup_64)
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jiffies_64 = jiffies;
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PHDRS {
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text PT_LOAD FLAGS(5); /* R_E */
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data PT_LOAD FLAGS(7); /* RWE */
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user PT_LOAD FLAGS(7); /* RWE */
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text PT_LOAD FLAGS(5); /* R_E */
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data PT_LOAD FLAGS(7); /* RWE */
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user PT_LOAD FLAGS(7); /* RWE */
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data.init PT_LOAD FLAGS(7); /* RWE */
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#ifdef CONFIG_SMP
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percpu PT_LOAD FLAGS(7); /* RWE */
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#endif
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data.init2 PT_LOAD FLAGS(7); /* RWE */
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note PT_NOTE FLAGS(0); /* ___ */
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note PT_NOTE FLAGS(0); /* ___ */
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}
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SECTIONS
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{
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. = __START_KERNEL;
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phys_startup_64 = startup_64 - LOAD_OFFSET;
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.text : AT(ADDR(.text) - LOAD_OFFSET) {
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_text = .; /* Text and read-only data */
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/* First the code that has to be first for bootstrapping */
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*(.text.head)
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_stext = .;
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/* Then the rest */
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TEXT_TEXT
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SCHED_TEXT
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LOCK_TEXT
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KPROBES_TEXT
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IRQENTRY_TEXT
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*(.fixup)
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*(.gnu.warning)
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_etext = .; /* End of text section */
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} :text = 0x9090
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. = __START_KERNEL;
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phys_startup_64 = startup_64 - LOAD_OFFSET;
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NOTES :text :note
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/* Text and read-only data */
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.text : AT(ADDR(.text) - LOAD_OFFSET) {
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_text = .;
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/* First the code that has to be first for bootstrapping */
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*(.text.head)
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_stext = .;
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/* Then the rest */
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TEXT_TEXT
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SCHED_TEXT
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LOCK_TEXT
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KPROBES_TEXT
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IRQENTRY_TEXT
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*(.fixup)
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*(.gnu.warning)
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/* End of text section */
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_etext = .;
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} :text = 0x9090
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. = ALIGN(16); /* Exception table */
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__ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
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__start___ex_table = .;
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*(__ex_table)
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__stop___ex_table = .;
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} :text = 0x9090
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NOTES :text :note
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RODATA
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/* Exception table */
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. = ALIGN(16);
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__ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
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__start___ex_table = .;
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*(__ex_table)
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__stop___ex_table = .;
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} :text = 0x9090
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. = ALIGN(PAGE_SIZE); /* Align data segment to page size boundary */
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/* Data */
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.data : AT(ADDR(.data) - LOAD_OFFSET) {
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DATA_DATA
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CONSTRUCTORS
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_edata = .; /* End of data section */
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RODATA
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/* Align data segment to page size boundary */
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. = ALIGN(PAGE_SIZE);
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/* Data */
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.data : AT(ADDR(.data) - LOAD_OFFSET) {
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DATA_DATA
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CONSTRUCTORS
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/* End of data section */
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_edata = .;
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} :data
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.data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) {
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. = ALIGN(PAGE_SIZE);
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. = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
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*(.data.cacheline_aligned)
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}
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. = ALIGN(CONFIG_X86_INTERNODE_CACHE_BYTES);
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.data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) {
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*(.data.read_mostly)
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}
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.data.cacheline_aligned :
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AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) {
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. = ALIGN(PAGE_SIZE);
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. = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
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*(.data.cacheline_aligned)
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}
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. = ALIGN(CONFIG_X86_INTERNODE_CACHE_BYTES);
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.data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) {
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*(.data.read_mostly)
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}
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#define VSYSCALL_ADDR (-10*1024*1024)
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#define VSYSCALL_PHYS_ADDR ((LOADADDR(.data.read_mostly) + SIZEOF(.data.read_mostly) + 4095) & ~(4095))
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#define VSYSCALL_VIRT_ADDR ((ADDR(.data.read_mostly) + SIZEOF(.data.read_mostly) + 4095) & ~(4095))
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#define VSYSCALL_PHYS_ADDR ((LOADADDR(.data.read_mostly) + \
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SIZEOF(.data.read_mostly) + 4095) & ~(4095))
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#define VSYSCALL_VIRT_ADDR ((ADDR(.data.read_mostly) + \
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SIZEOF(.data.read_mostly) + 4095) & ~(4095))
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#define VLOAD_OFFSET (VSYSCALL_ADDR - VSYSCALL_PHYS_ADDR)
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#define VLOAD(x) (ADDR(x) - VLOAD_OFFSET)
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@ -85,37 +95,53 @@ SECTIONS
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#define VVIRT_OFFSET (VSYSCALL_ADDR - VSYSCALL_VIRT_ADDR)
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#define VVIRT(x) (ADDR(x) - VVIRT_OFFSET)
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. = VSYSCALL_ADDR;
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.vsyscall_0 : AT(VSYSCALL_PHYS_ADDR) { *(.vsyscall_0) } :user
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__vsyscall_0 = VSYSCALL_VIRT_ADDR;
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. = VSYSCALL_ADDR;
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.vsyscall_0 : AT(VSYSCALL_PHYS_ADDR) {
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*(.vsyscall_0)
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} :user
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. = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
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.vsyscall_fn : AT(VLOAD(.vsyscall_fn)) { *(.vsyscall_fn) }
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. = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
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.vsyscall_gtod_data : AT(VLOAD(.vsyscall_gtod_data))
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{ *(.vsyscall_gtod_data) }
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vsyscall_gtod_data = VVIRT(.vsyscall_gtod_data);
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.vsyscall_clock : AT(VLOAD(.vsyscall_clock))
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{ *(.vsyscall_clock) }
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vsyscall_clock = VVIRT(.vsyscall_clock);
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__vsyscall_0 = VSYSCALL_VIRT_ADDR;
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. = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
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.vsyscall_fn : AT(VLOAD(.vsyscall_fn)) {
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*(.vsyscall_fn)
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}
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. = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
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.vsyscall_gtod_data : AT(VLOAD(.vsyscall_gtod_data)) {
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*(.vsyscall_gtod_data)
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}
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vsyscall_gtod_data = VVIRT(.vsyscall_gtod_data);
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.vsyscall_clock : AT(VLOAD(.vsyscall_clock)) {
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*(.vsyscall_clock)
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}
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vsyscall_clock = VVIRT(.vsyscall_clock);
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.vsyscall_1 ADDR(.vsyscall_0) + 1024: AT(VLOAD(.vsyscall_1))
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{ *(.vsyscall_1) }
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.vsyscall_2 ADDR(.vsyscall_0) + 2048: AT(VLOAD(.vsyscall_2))
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{ *(.vsyscall_2) }
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.vsyscall_1 ADDR(.vsyscall_0) + 1024: AT(VLOAD(.vsyscall_1)) {
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*(.vsyscall_1)
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}
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.vsyscall_2 ADDR(.vsyscall_0) + 2048: AT(VLOAD(.vsyscall_2)) {
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*(.vsyscall_2)
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}
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.vgetcpu_mode : AT(VLOAD(.vgetcpu_mode)) { *(.vgetcpu_mode) }
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vgetcpu_mode = VVIRT(.vgetcpu_mode);
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.vgetcpu_mode : AT(VLOAD(.vgetcpu_mode)) {
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*(.vgetcpu_mode)
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}
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vgetcpu_mode = VVIRT(.vgetcpu_mode);
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. = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
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.jiffies : AT(VLOAD(.jiffies)) { *(.jiffies) }
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jiffies = VVIRT(.jiffies);
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. = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
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.jiffies : AT(VLOAD(.jiffies)) {
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*(.jiffies)
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}
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jiffies = VVIRT(.jiffies);
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.vsyscall_3 ADDR(.vsyscall_0) + 3072: AT(VLOAD(.vsyscall_3))
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{ *(.vsyscall_3) }
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.vsyscall_3 ADDR(.vsyscall_0) + 3072: AT(VLOAD(.vsyscall_3)) {
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*(.vsyscall_3)
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}
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. = VSYSCALL_VIRT_ADDR + PAGE_SIZE;
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. = VSYSCALL_VIRT_ADDR + PAGE_SIZE;
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#undef VSYSCALL_ADDR
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#undef VSYSCALL_PHYS_ADDR
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@ -125,156 +151,168 @@ SECTIONS
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#undef VVIRT_OFFSET
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#undef VVIRT
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.data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
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. = ALIGN(THREAD_SIZE); /* init_task */
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*(.data.init_task)
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}:data.init
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/* init_task */
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.data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
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. = ALIGN(THREAD_SIZE);
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*(.data.init_task)
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} :data.init
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.data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
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.data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
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. = ALIGN(PAGE_SIZE);
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*(.data.page_aligned)
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}
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.smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) {
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/* might get freed after init */
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. = ALIGN(PAGE_SIZE);
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__smp_alt_begin = .;
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__smp_locks = .;
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*(.smp_locks)
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__smp_locks_end = .;
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. = ALIGN(PAGE_SIZE);
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__smp_alt_end = .;
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}
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/* Init code and data */
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. = ALIGN(PAGE_SIZE);
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*(.data.page_aligned)
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}
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__init_begin = .; /* paired with __init_end */
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.init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
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_sinittext = .;
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INIT_TEXT
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_einittext = .;
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}
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.smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) {
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/* might get freed after init */
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. = ALIGN(PAGE_SIZE);
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__smp_alt_begin = .;
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__smp_locks = .;
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*(.smp_locks)
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__smp_locks_end = .;
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. = ALIGN(PAGE_SIZE);
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__smp_alt_end = .;
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}
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.init.data : AT(ADDR(.init.data) - LOAD_OFFSET) {
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__initdata_begin = .;
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INIT_DATA
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__initdata_end = .;
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}
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. = ALIGN(PAGE_SIZE); /* Init code and data */
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__init_begin = .; /* paired with __init_end */
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.init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
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_sinittext = .;
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INIT_TEXT
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_einittext = .;
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}
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.init.data : AT(ADDR(.init.data) - LOAD_OFFSET) {
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__initdata_begin = .;
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INIT_DATA
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__initdata_end = .;
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}
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.init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
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. = ALIGN(16);
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__setup_start = .;
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*(.init.setup)
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__setup_end = .;
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}
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.init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
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. = ALIGN(16);
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__setup_start = .;
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*(.init.setup)
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__setup_end = .;
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}
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.initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
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__initcall_start = .;
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INITCALLS
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__initcall_end = .;
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}
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.con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
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__con_initcall_start = .;
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*(.con_initcall.init)
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__con_initcall_end = .;
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}
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.x86_cpu_dev.init : AT(ADDR(.x86_cpu_dev.init) - LOAD_OFFSET) {
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__x86_cpu_dev_start = .;
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*(.x86_cpu_dev.init)
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__x86_cpu_dev_end = .;
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}
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SECURITY_INIT
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.initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
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__initcall_start = .;
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INITCALLS
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__initcall_end = .;
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}
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. = ALIGN(8);
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.parainstructions : AT(ADDR(.parainstructions) - LOAD_OFFSET) {
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__parainstructions = .;
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*(.parainstructions)
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__parainstructions_end = .;
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}
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.con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
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__con_initcall_start = .;
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*(.con_initcall.init)
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__con_initcall_end = .;
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}
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.x86_cpu_dev.init : AT(ADDR(.x86_cpu_dev.init) - LOAD_OFFSET) {
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__x86_cpu_dev_start = .;
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*(.x86_cpu_dev.init)
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__x86_cpu_dev_end = .;
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}
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SECURITY_INIT
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.altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) {
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. = ALIGN(8);
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__alt_instructions = .;
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*(.altinstructions)
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__alt_instructions_end = .;
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}
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.altinstr_replacement : AT(ADDR(.altinstr_replacement) - LOAD_OFFSET) {
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*(.altinstr_replacement)
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}
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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 : AT(ADDR(.exit.text) - LOAD_OFFSET) {
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EXIT_TEXT
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}
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.exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) {
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EXIT_DATA
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}
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.parainstructions : AT(ADDR(.parainstructions) - LOAD_OFFSET) {
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__parainstructions = .;
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*(.parainstructions)
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__parainstructions_end = .;
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}
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.altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) {
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. = ALIGN(8);
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__alt_instructions = .;
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*(.altinstructions)
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__alt_instructions_end = .;
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}
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.altinstr_replacement : AT(ADDR(.altinstr_replacement) - LOAD_OFFSET) {
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*(.altinstr_replacement)
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}
|
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|
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/*
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* .exit.text is discard at runtime, not link time, to deal with
|
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* references from .altinstructions and .eh_frame
|
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*/
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.exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) {
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EXIT_TEXT
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}
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.exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) {
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EXIT_DATA
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}
|
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|
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#ifdef CONFIG_BLK_DEV_INITRD
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. = ALIGN(PAGE_SIZE);
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.init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
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__initramfs_start = .;
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*(.init.ramfs)
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__initramfs_end = .;
|
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}
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. = ALIGN(PAGE_SIZE);
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.init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
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__initramfs_start = .;
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*(.init.ramfs)
|
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__initramfs_end = .;
|
||||
}
|
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#endif
|
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|
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#ifdef CONFIG_SMP
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/*
|
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* percpu offsets are zero-based on SMP. PERCPU_VADDR() changes the
|
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* output PHDR, so the next output section - __data_nosave - should
|
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* start another section data.init2. Also, pda should be at the head of
|
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* percpu area. Preallocate it and define the percpu offset symbol
|
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* so that it can be accessed as a percpu variable.
|
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*/
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. = ALIGN(PAGE_SIZE);
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PERCPU_VADDR(0, :percpu)
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/*
|
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* percpu offsets are zero-based on SMP. PERCPU_VADDR() changes the
|
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* output PHDR, so the next output section - __data_nosave - should
|
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* start another section data.init2. Also, pda should be at the head of
|
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* percpu area. Preallocate it and define the percpu offset symbol
|
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* so that it can be accessed as a percpu variable.
|
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*/
|
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. = ALIGN(PAGE_SIZE);
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PERCPU_VADDR(0, :percpu)
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#else
|
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PERCPU(PAGE_SIZE)
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PERCPU(PAGE_SIZE)
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#endif
|
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. = ALIGN(PAGE_SIZE);
|
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__init_end = .;
|
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|
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.data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
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. = ALIGN(PAGE_SIZE);
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__nosave_begin = .;
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*(.data.nosave)
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. = ALIGN(PAGE_SIZE);
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__nosave_end = .;
|
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} :data.init2 /* use another section data.init2, see PERCPU_VADDR() above */
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__init_end = .;
|
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|
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.bss : AT(ADDR(.bss) - LOAD_OFFSET) {
|
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. = ALIGN(PAGE_SIZE);
|
||||
__bss_start = .; /* BSS */
|
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*(.bss.page_aligned)
|
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*(.bss)
|
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__bss_stop = .;
|
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}
|
||||
.data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
|
||||
. = ALIGN(PAGE_SIZE);
|
||||
__nosave_begin = .;
|
||||
*(.data.nosave)
|
||||
. = ALIGN(PAGE_SIZE);
|
||||
__nosave_end = .;
|
||||
} :data.init2
|
||||
/* use another section data.init2, see PERCPU_VADDR() above */
|
||||
|
||||
.brk : AT(ADDR(.brk) - LOAD_OFFSET) {
|
||||
. = ALIGN(PAGE_SIZE);
|
||||
__brk_base = . ;
|
||||
. += 64 * 1024 ; /* 64k alignment slop space */
|
||||
*(.brk_reservation) /* areas brk users have reserved */
|
||||
__brk_limit = . ;
|
||||
}
|
||||
|
||||
_end = . ;
|
||||
|
||||
/* Sections to be discarded */
|
||||
/DISCARD/ : {
|
||||
*(.exitcall.exit)
|
||||
*(.eh_frame)
|
||||
*(.discard)
|
||||
.bss : AT(ADDR(.bss) - LOAD_OFFSET) {
|
||||
. = ALIGN(PAGE_SIZE);
|
||||
__bss_start = .; /* BSS */
|
||||
*(.bss.page_aligned)
|
||||
*(.bss)
|
||||
__bss_stop = .;
|
||||
}
|
||||
|
||||
STABS_DEBUG
|
||||
.brk : AT(ADDR(.brk) - LOAD_OFFSET) {
|
||||
. = ALIGN(PAGE_SIZE);
|
||||
__brk_base = .;
|
||||
. += 64 * 1024; /* 64k alignment slop space */
|
||||
*(.brk_reservation) /* areas brk users have reserved */
|
||||
__brk_limit = .;
|
||||
}
|
||||
|
||||
DWARF_DEBUG
|
||||
_end = . ;
|
||||
|
||||
/* Sections to be discarded */
|
||||
/DISCARD/ : {
|
||||
*(.exitcall.exit)
|
||||
*(.eh_frame)
|
||||
*(.discard)
|
||||
}
|
||||
|
||||
STABS_DEBUG
|
||||
DWARF_DEBUG
|
||||
}
|
||||
|
||||
/*
|
||||
* Per-cpu symbols which need to be offset from __per_cpu_load
|
||||
* for the boot processor.
|
||||
*/
|
||||
/*
|
||||
* Per-cpu symbols which need to be offset from __per_cpu_load
|
||||
* for the boot processor.
|
||||
*/
|
||||
#define INIT_PER_CPU(x) init_per_cpu__##x = per_cpu__##x + __per_cpu_load
|
||||
INIT_PER_CPU(gdt_page);
|
||||
INIT_PER_CPU(irq_stack_union);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user