forked from Minki/linux
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: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
parent
7cd0378ef4
commit
c3e2586b79
@ -1,17 +1,23 @@
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/*
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* ld script to make SuperH Linux kernel
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* Written by Niibe Yutaka
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* Written by Niibe Yutaka and Paul Mundt
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*/
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#include <asm/thread_info.h>
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#include <asm/cache.h>
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#include <asm-generic/vmlinux.lds.h>
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#ifdef CONFIG_SUPERH64
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#define LOAD_OFFSET CONFIG_PAGE_OFFSET
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OUTPUT_ARCH(sh:sh5)
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#else
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OUTPUT_ARCH(sh)
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#ifdef CONFIG_CPU_LITTLE_ENDIAN
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OUTPUT_FORMAT("elf32-sh-linux", "elf32-sh-linux", "elf32-sh-linux")
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#else
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OUTPUT_FORMAT("elf32-shbig-linux", "elf32-shbig-linux", "elf32-shbig-linux")
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#endif
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OUTPUT_ARCH(sh)
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#endif
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#include <asm/thread_info.h>
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#include <asm/cache.h>
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#include <asm-generic/vmlinux.lds.h>
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ENTRY(_start)
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SECTIONS
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{
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@ -24,28 +30,35 @@ SECTIONS
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. = CONFIG_PAGE_OFFSET + CONFIG_MEMORY_START + CONFIG_ZERO_PAGE_OFFSET;
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#endif
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_text = .; /* Text and read-only data */
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.empty_zero_page : {
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.empty_zero_page : AT(ADDR(.empty_zero_page) - LOAD_OFFSET) {
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*(.empty_zero_page)
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} = 0
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.text : {
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.text : AT(ADDR(.text) - LOAD_OFFSET) {
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_text = .; /* Text and read-only data */
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HEAD_TEXT
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TEXT_TEXT
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#ifdef CONFIG_SUPERH64
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*(.text64)
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*(.text..SHmedia32)
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#endif
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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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} = 0x0009
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. = ALIGN(16); /* Exception table */
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__start___ex_table = .;
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__ex_table : { *(__ex_table) }
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__stop___ex_table = .;
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_etext = .; /* End of text section */
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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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}
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NOTES
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RO_DATA(PAGE_SIZE)
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@ -54,13 +67,15 @@ SECTIONS
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* Code which must be executed uncached and the associated data
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*/
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. = ALIGN(PAGE_SIZE);
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__uncached_start = .;
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.uncached.text : { *(.uncached.text) }
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.uncached.data : { *(.uncached.data) }
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__uncached_end = .;
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.uncached : AT(ADDR(.uncached) - LOAD_OFFSET) {
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__uncached_start = .;
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*(.uncached.text)
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*(.uncached.data)
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__uncached_end = .;
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}
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. = ALIGN(THREAD_SIZE);
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.data : { /* Data */
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.data : AT(ADDR(.data) - LOAD_OFFSET) { /* Data */
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*(.data.init_task)
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. = ALIGN(L1_CACHE_BYTES);
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@ -84,39 +99,51 @@ SECTIONS
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_edata = .; /* End of data section */
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. = ALIGN(PAGE_SIZE); /* Init code and data */
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__init_begin = .;
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_sinittext = .;
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.init.text : { INIT_TEXT }
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_einittext = .;
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.init.data : { INIT_DATA }
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.init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
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__init_begin = .;
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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) { INIT_DATA }
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. = ALIGN(16);
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__setup_start = .;
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.init.setup : { *(.init.setup) }
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__setup_end = .;
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__initcall_start = .;
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.initcall.init : {
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INITCALLS
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.init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
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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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__initcall_end = .;
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__con_initcall_start = .;
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.con_initcall.init : { *(.con_initcall.init) }
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__con_initcall_end = .;
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SECURITY_INIT
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#ifdef CONFIG_BLK_DEV_INITRD
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. = ALIGN(PAGE_SIZE);
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__initramfs_start = .;
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.init.ramfs : { *(.init.ramfs) }
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__initramfs_end = .;
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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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#endif
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. = ALIGN(4);
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__machvec_start = .;
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.machvec.init : { *(.machvec.init) }
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__machvec_end = .;
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.machvec.init : AT(ADDR(.machvec.init) - LOAD_OFFSET) {
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__machvec_start = .;
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*(.machvec.init)
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__machvec_end = .;
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}
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PERCPU(PAGE_SIZE)
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@ -124,11 +151,11 @@ SECTIONS
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* .exit.text is discarded at runtime, not link time, to deal with
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* references from __bug_table
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*/
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.exit.text : { EXIT_TEXT }
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.exit.data : { EXIT_DATA }
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.exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { EXIT_TEXT }
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.exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { EXIT_DATA }
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. = ALIGN(PAGE_SIZE);
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.bss : {
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.bss : AT(ADDR(.bss) - LOAD_OFFSET) {
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__init_end = .;
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__bss_start = .; /* BSS */
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*(.bss.page_aligned)
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