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

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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: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2009-05-09 23:33:02 +09:00
parent 7cd0378ef4
commit c3e2586b79
1 changed files with 72 additions and 45 deletions
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85
arch/sh/kernel/vmlinux_32.lds.S
View File

@ -1,17 +1,23 @@
/*
* 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_start = .;
.initcall.init : {
INITCALLS
}
.initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
__initcall_start = .;
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)