arch/arm/kernel/vmlinux-xip.lds.S

Source file repositories/reference/linux-study-clean/arch/arm/kernel/vmlinux-xip.lds.S

File Facts

System
Linux kernel
Corpus path
arch/arm/kernel/vmlinux-xip.lds.S
Extension
.S
Size
4806 bytes
Lines
198
Domain
Architecture Layer
Bucket
arch/arm
Inferred role
Architecture Layer: arch/arm
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#define RO_AFTER_INIT_DATA

#include <linux/sizes.h>

#include <asm/vmlinux.lds.h>
#include <asm/cache.h>
#include <asm/thread_info.h>
#include <asm/page.h>
#include <asm/mpu.h>

OUTPUT_ARCH(arm)
ENTRY(stext)

#ifndef __ARMEB__
jiffies = jiffies_64;
#else
jiffies = jiffies_64 + 4;
#endif

SECTIONS
{
	/*
	 * XXX: The linker does not define how output sections are
	 * assigned to input sections when there are multiple statements
	 * matching the same input section name.  There is no documented
	 * order of matching.
	 *
	 * unwind exit sections must be discarded before the rest of the
	 * unwind sections get included.
	 */
	/DISCARD/ : {
		ARM_DISCARD
		*(.alt.smp.init)
		*(.pv_table)
#ifndef CONFIG_ARM_UNWIND
		*(.ARM.exidx) *(.ARM.exidx.*)
		*(.ARM.extab) *(.ARM.extab.*)
#endif
	}

	. = XIP_VIRT_ADDR(CONFIG_XIP_PHYS_ADDR);
	_xiprom = .;			/* XIP ROM area to be mapped */

	.head.text : {
		_text = .;
		HEAD_TEXT
	}

	.text : {			/* Real text segment		*/
		_stext = .;		/* Text and read-only data	*/
		ARM_TEXT
	}

	RO_DATA(PAGE_SIZE)

	. = ALIGN(4);
	__ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
		__start___ex_table = .;
		ARM_MMU_KEEP(*(__ex_table))
		__stop___ex_table = .;
	}

#ifdef CONFIG_ARM_UNWIND
	ARM_UNWIND_SECTIONS
#endif

	_etext = .;			/* End of text and rodata section */

	ARM_VECTORS
	INIT_TEXT_SECTION(8)

Annotation

Implementation Notes