264 lines
		
	
	
		
			5.4 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			264 lines
		
	
	
		
			5.4 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
| #ifdef CONFIG_PPC64
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| #define PROVIDE32(x)	PROVIDE(__unused__##x)
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| #else
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| #define PROVIDE32(x)	PROVIDE(x)
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| #endif
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| #include <asm/page.h>
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| #include <asm-generic/vmlinux.lds.h>
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| #include <asm/cache.h>
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| #include <asm/thread_info.h>
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| 
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| ENTRY(_stext)
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| 
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| PHDRS {
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| 	kernel PT_LOAD FLAGS(7); /* RWX */
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| 	notes PT_NOTE FLAGS(0);
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| 	dummy PT_NOTE FLAGS(0);
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| 
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| 	/* binutils < 2.18 has a bug that makes it misbehave when taking an
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| 	   ELF file with all segments at load address 0 as input.  This
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| 	   happens when running "strip" on vmlinux, because of the AT() magic
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| 	   in this linker script.  People using GCC >= 4.2 won't run into
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| 	   this problem, because the "build-id" support will put some data
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| 	   into the "notes" segment (at a non-zero load address).
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| 
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| 	   To work around this, we force some data into both the "dummy"
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| 	   segment and the kernel segment, so the dummy segment will get a
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| 	   non-zero load address.  It's not enough to always create the
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| 	   "notes" segment, since if nothing gets assigned to it, its load
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| 	   address will be zero.  */
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| }
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| 
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| #ifdef CONFIG_PPC64
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| OUTPUT_ARCH(powerpc:common64)
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| jiffies = jiffies_64;
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| #else
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| OUTPUT_ARCH(powerpc:common)
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| jiffies = jiffies_64 + 4;
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| #endif
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| SECTIONS
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| {
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| 	. = 0;
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| 	reloc_start = .;
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| 
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| 	. = KERNELBASE;
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| 
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| /*
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|  * Text, read only data and other permanent read-only sections
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|  */
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| 
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| 	/* Text and gots */
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| 	.text : AT(ADDR(.text) - LOAD_OFFSET) {
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| 		ALIGN_FUNCTION();
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| 		HEAD_TEXT
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| 		_text = .;
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| 		/* careful! __ftr_alt_* sections need to be close to .text */
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| 		*(.text .fixup __ftr_alt_* .ref.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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| 
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| #ifdef CONFIG_PPC32
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| 		*(.got1)
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| 		__got2_start = .;
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| 		*(.got2)
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| 		__got2_end = .;
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| #endif /* CONFIG_PPC32 */
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| 
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| 	} :kernel
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| 
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| 	. = ALIGN(PAGE_SIZE);
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| 	_etext = .;
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| 	PROVIDE32 (etext = .);
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| 
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| 	/* Read-only data */
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| 	RODATA
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| 
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| 	EXCEPTION_TABLE(0)
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| 
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| 	NOTES :kernel :notes
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| 
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| 	/* The dummy segment contents for the bug workaround mentioned above
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| 	   near PHDRS.  */
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| 	.dummy : AT(ADDR(.dummy) - LOAD_OFFSET) {
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| 		LONG(0)
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| 		LONG(0)
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| 		LONG(0)
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| 	} :kernel :dummy
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| 
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| /*
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|  * Init sections discarded at runtime
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|  */
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| 	. = ALIGN(PAGE_SIZE);
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| 	__init_begin = .;
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| 	INIT_TEXT_SECTION(PAGE_SIZE) :kernel
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| 
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| 	/* .exit.text is discarded at runtime, not link time,
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| 	 * to deal with references from __bug_table
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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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| 
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| 	.init.data : AT(ADDR(.init.data) - LOAD_OFFSET) {
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| 		INIT_DATA
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| 		__vtop_table_begin = .;
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| 		*(.vtop_fixup);
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| 		__vtop_table_end = .;
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| 		__ptov_table_begin = .;
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| 		*(.ptov_fixup);
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| 		__ptov_table_end = .;
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| #ifdef CONFIG_PPC_ISERIES
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| 		__dt_strings_start = .;
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| 		*(.dt_strings);
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| 		__dt_strings_end = .;
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| #endif
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| 	}
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| 
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| 	.init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
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| 		INIT_SETUP(16)
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| 	}
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| 
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| 	.initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
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| 		INIT_CALLS
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| 	}
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| 
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| 	.con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
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| 		CON_INITCALL
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| 	}
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| 
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| 	SECURITY_INIT
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| 
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| 	. = ALIGN(8);
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| 	__ftr_fixup : AT(ADDR(__ftr_fixup) - LOAD_OFFSET) {
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| 		__start___ftr_fixup = .;
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| 		*(__ftr_fixup)
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| 		__stop___ftr_fixup = .;
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| 	}
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| 	. = ALIGN(8);
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| 	__mmu_ftr_fixup : AT(ADDR(__mmu_ftr_fixup) - LOAD_OFFSET) {
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| 		__start___mmu_ftr_fixup = .;
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| 		*(__mmu_ftr_fixup)
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| 		__stop___mmu_ftr_fixup = .;
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| 	}
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| 	. = ALIGN(8);
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| 	__lwsync_fixup : AT(ADDR(__lwsync_fixup) - LOAD_OFFSET) {
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| 		__start___lwsync_fixup = .;
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| 		*(__lwsync_fixup)
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| 		__stop___lwsync_fixup = .;
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| 	}
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| #ifdef CONFIG_PPC64
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| 	. = ALIGN(8);
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| 	__fw_ftr_fixup : AT(ADDR(__fw_ftr_fixup) - LOAD_OFFSET) {
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| 		__start___fw_ftr_fixup = .;
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| 		*(__fw_ftr_fixup)
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| 		__stop___fw_ftr_fixup = .;
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| 	}
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| #endif
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| 	.init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
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| 		INIT_RAM_FS
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| 	}
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| 
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| 	PERCPU(PAGE_SIZE)
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| 
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| 	. = ALIGN(8);
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| 	.machine.desc : AT(ADDR(.machine.desc) - LOAD_OFFSET) {
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| 		__machine_desc_start = . ;
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| 		*(.machine.desc)
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| 		__machine_desc_end = . ;
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| 	}
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| #ifdef CONFIG_RELOCATABLE
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| 	. = ALIGN(8);
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| 	.dynsym : AT(ADDR(.dynsym) - LOAD_OFFSET) { *(.dynsym) }
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| 	.dynstr : AT(ADDR(.dynstr) - LOAD_OFFSET) { *(.dynstr) }
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| 	.dynamic : AT(ADDR(.dynamic) - LOAD_OFFSET)
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| 	{
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| 		__dynamic_start = .;
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| 		*(.dynamic)
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| 	}
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| 	.hash : AT(ADDR(.hash) - LOAD_OFFSET) { *(.hash) }
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| 	.interp : AT(ADDR(.interp) - LOAD_OFFSET) { *(.interp) }
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| 	.rela.dyn : AT(ADDR(.rela.dyn) - LOAD_OFFSET)
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| 	{
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| 		__rela_dyn_start = .;
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| 		*(.rela*)
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| 	}
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| #endif
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| 
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| 	/* freed after init ends here */
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| 	. = ALIGN(PAGE_SIZE);
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| 	__init_end = .;
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| 
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| /*
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|  * And now the various read/write data
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|  */
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| 
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| 	. = ALIGN(PAGE_SIZE);
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| 	_sdata = .;
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| 
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| #ifdef CONFIG_PPC32
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| 	.data : AT(ADDR(.data) - LOAD_OFFSET) {
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| 		DATA_DATA
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| 		*(.sdata)
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| 		*(.got.plt) *(.got)
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| 	}
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| #else
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| 	.data : AT(ADDR(.data) - LOAD_OFFSET) {
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| 		DATA_DATA
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| 		*(.data.rel*)
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| 		*(.toc1)
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| 		*(.branch_lt)
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| 	}
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| 
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| 	.opd : AT(ADDR(.opd) - LOAD_OFFSET) {
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| 		*(.opd)
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| 	}
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| 
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| 	.got : AT(ADDR(.got) - LOAD_OFFSET) {
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| 		__toc_start = .;
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| 		*(.got)
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| 		*(.toc)
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| 	}
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| #endif
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| 
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| 	/* The initial task and kernel stack */
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| 	.data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
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| 		INIT_TASK_DATA(THREAD_SIZE)
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| 	}
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| 
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| 	.data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
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| 		PAGE_ALIGNED_DATA(PAGE_SIZE)
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| 	}
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| 
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| 	.data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) {
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| 		CACHELINE_ALIGNED_DATA(L1_CACHE_BYTES)
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| 	}
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| 
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| 	.data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) {
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| 		READ_MOSTLY_DATA(L1_CACHE_BYTES)
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| 	}
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| 
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| 	. = ALIGN(PAGE_SIZE);
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| 	.data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
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| 		NOSAVE_DATA
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| 	}
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| 
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| 	. = ALIGN(PAGE_SIZE);
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| 	_edata  =  .;
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| 	PROVIDE32 (edata = .);
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| 
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| /*
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|  * And finally the bss
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|  */
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| 
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| 	BSS_SECTION(0, 0, 0)
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| 
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| 	. = ALIGN(PAGE_SIZE);
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| 	_end = . ;
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| 	PROVIDE32 (end = .);
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| 
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| 	/* Sections to be discarded. */
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| 	DISCARDS
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| }
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