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Commit c3e2586b authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: Integrate sh64 bits in vmlinux_32.lds.S. 



This adds all of the requisite bits from vmlinux_64.lds.S in to the _32
variant, resulting in a unified and generic linker script that can be
shared across both.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 7cd0378e

arch/sh/kernel/vmlinux_32.lds.S

+70 −43
Original line number Diff line number Diff line 
/*

 * ld script to make SuperH Linux kernel

 * Written by Niibe Yutaka

 * Written by Niibe Yutaka and Paul Mundt

 */

#include <asm/thread_info.h>

#include <asm/cache.h>

#include <asm-generic/vmlinux.lds.h>



#ifdef CONFIG_SUPERH64

#define LOAD_OFFSET	CONFIG_PAGE_OFFSET

OUTPUT_ARCH(sh:sh5)

#else

OUTPUT_ARCH(sh)

#ifdef CONFIG_CPU_LITTLE_ENDIAN

OUTPUT_FORMAT("elf32-sh-linux", "elf32-sh-linux", "elf32-sh-linux")

#else

OUTPUT_FORMAT("elf32-shbig-linux", "elf32-shbig-linux", "elf32-shbig-linux")

#endif

OUTPUT_ARCH(sh)

#endif



#include <asm/thread_info.h>

#include <asm/cache.h>

#include <asm-generic/vmlinux.lds.h>



ENTRY(_start)

SECTIONS

{
@@ -24,28 +30,35 @@ SECTIONS 
	. = CONFIG_PAGE_OFFSET + CONFIG_MEMORY_START + CONFIG_ZERO_PAGE_OFFSET;

#endif



	_text = .;			/* Text and read-only data */



	.empty_zero_page : {

	.empty_zero_page : AT(ADDR(.empty_zero_page) - LOAD_OFFSET) {

		*(.empty_zero_page)

	} = 0



	.text : {

	.text : AT(ADDR(.text) - LOAD_OFFSET) {

		_text = .;		/* Text and read-only data */

		HEAD_TEXT

		TEXT_TEXT



#ifdef CONFIG_SUPERH64

		*(.text64)

		*(.text..SHmedia32)

#endif



		SCHED_TEXT

		LOCK_TEXT

		KPROBES_TEXT

		IRQENTRY_TEXT

		*(.fixup)

		*(.gnu.warning)

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

	} = 0x0009



	. = ALIGN(16);		/* Exception table */

	__ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {

		__start___ex_table = .;

	__ex_table : { *(__ex_table) }

		*(__ex_table)

		__stop___ex_table = .;



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

	}



	NOTES

	RO_DATA(PAGE_SIZE)
@@ -54,13 +67,15 @@ SECTIONS 
	 * Code which must be executed uncached and the associated data

	 */

	. = ALIGN(PAGE_SIZE);

	.uncached : AT(ADDR(.uncached) - LOAD_OFFSET) {

		__uncached_start = .;

	.uncached.text : { *(.uncached.text) }

	.uncached.data : { *(.uncached.data) }

		*(.uncached.text)

		*(.uncached.data)

		__uncached_end = .;

	}



	. = ALIGN(THREAD_SIZE);

	.data : {			/* Data */

	.data : AT(ADDR(.data) - LOAD_OFFSET) {		/* Data */

		*(.data.init_task)



		. = ALIGN(L1_CACHE_BYTES);
@@ -84,39 +99,51 @@ SECTIONS 
	_edata = .;			/* End of data section */



	. = ALIGN(PAGE_SIZE);		/* Init code and data */

	.init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {

		__init_begin = .;

		_sinittext = .;

	.init.text : { INIT_TEXT }

		INIT_TEXT

		_einittext = .;

	.init.data : { INIT_DATA }

	}



	.init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { INIT_DATA }



	. = ALIGN(16);

	.init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {

		__setup_start = .;

	.init.setup : { *(.init.setup) }

		*(.init.setup)

		__setup_end = .;

	}



	.initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {

		__initcall_start = .;

	.initcall.init : {

		INITCALLS

	}

		__initcall_end = .;

	}



	.con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {

		__con_initcall_start = .;

	.con_initcall.init : { *(.con_initcall.init) }

		*(.con_initcall.init)

		__con_initcall_end = .;

	}



	SECURITY_INIT



#ifdef CONFIG_BLK_DEV_INITRD

	. = ALIGN(PAGE_SIZE);

	.init.ramfs : AT(ADDR(.init_ramfs) - LOAD_OFFSET) {

		__initramfs_start = .;

	.init.ramfs : { *(.init.ramfs) }

		*(.init.ramfs)

		__initramfs_end = .;

	}

#endif



	. = ALIGN(4);

	.machvec.init : AT(ADDR(.machvec.init) - LOAD_OFFSET) {

		__machvec_start = .;

	.machvec.init : { *(.machvec.init) }

		*(.machvec.init)

		__machvec_end = .;

	}



	PERCPU(PAGE_SIZE)
@@ -124,11 +151,11 @@ SECTIONS 
	 * .exit.text is discarded at runtime, not link time, to deal with

	 * references from __bug_table

	 */

	.exit.text : { EXIT_TEXT }

	.exit.data : { EXIT_DATA }

	.exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { EXIT_TEXT }

	.exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { EXIT_DATA }



	. = ALIGN(PAGE_SIZE);

	.bss : {

	.bss : AT(ADDR(.bss) - LOAD_OFFSET) {

		__init_end = .;

		__bss_start = .;		/* BSS */

		*(.bss.page_aligned)