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authorPaul Mundt <lethal@linux-sh.org>2007-11-20 15:35:42 +0900
committerPaul Mundt <lethal@linux-sh.org>2008-01-28 13:18:49 +0900
commit6694e8250e37058d5a8db23245a349db4e112fe4 (patch)
tree4fddb73e555bb50e588cb80dae43443bdb01c503
parent1cb80fcfe2beafc55610ebd1cd4a03331d65f8ba (diff)
sh: Sync up the _64 linker script with the _32 version.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
-rw-r--r--arch/sh/kernel/vmlinux_64.lds.S199
1 files changed, 112 insertions, 87 deletions
diff --git a/arch/sh/kernel/vmlinux_64.lds.S b/arch/sh/kernel/vmlinux_64.lds.S
index 9e30775ffc2..f0f5771657d 100644
--- a/arch/sh/kernel/vmlinux_64.lds.S
+++ b/arch/sh/kernel/vmlinux_64.lds.S
@@ -1,11 +1,5 @@
/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * arch/sh5/vmlinux.lds.S
- *
- * ld script to make ST50 Linux kernel
+ * ld script to make SH64 Linux kernel
*
* Copyright (C) 2000, 2001 Paolo Alberelli
*
@@ -13,15 +7,19 @@
* Add definition of empty_zero_page to be the first page of kernel image.
*
* benedict.gaster@superh.com: 3rd May 2002
- * Added support for ramdisk, removing statically linked romfs at the same time.
+ * Added support for ramdisk, removing statically linked romfs at the
+ * same time.
*
* lethal@linux-sh.org: 9th May 2003
* Kill off GLOBAL_NAME() usage and other CDC-isms.
*
* lethal@linux-sh.org: 19th May 2003
* Remove support for ancient toolchains.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
*/
-
#include <asm/page.h>
#include <asm/cache.h>
#include <asm/thread_info.h>
@@ -36,104 +34,131 @@ OUTPUT_ARCH(sh:sh5)
ENTRY(__start)
SECTIONS
{
- . = CONFIG_CACHED_MEMORY_OFFSET + CONFIG_MEMORY_START + PAGE_SIZE;
- _text = .; /* Text and read-only data */
- text = .; /* Text and read-only data */
+ . = CONFIG_CACHED_MEMORY_OFFSET + CONFIG_MEMORY_START + PAGE_SIZE;
+ _text = .; /* Text and read-only data */
- .empty_zero_page : C_PHYS(.empty_zero_page) {
- *(.empty_zero_page)
+ .empty_zero_page : C_PHYS(.empty_zero_page) {
+ *(.empty_zero_page)
} = 0
- .text : C_PHYS(.text) {
- *(.text.head)
- TEXT_TEXT
- *(.text64)
- *(.text..SHmedia32)
- SCHED_TEXT
- LOCK_TEXT
- *(.fixup)
- *(.gnu.warning)
+ .text : C_PHYS(.text) {
+ *(.text.head)
+ TEXT_TEXT
+ *(.text64)
+ *(.text..SHmedia32)
+ SCHED_TEXT
+ LOCK_TEXT
+ KPROBES_TEXT
+ *(.fixup)
+ *(.gnu.warning)
#ifdef CONFIG_LITTLE_ENDIAN
} = 0x6ff0fff0
#else
} = 0xf0fff06f
#endif
- /* We likely want __ex_table to be Cache Line aligned */
- . = ALIGN(L1_CACHE_BYTES); /* Exception table */
- __start___ex_table = .;
- __ex_table : C_PHYS(__ex_table) { *(__ex_table) }
- __stop___ex_table = .;
+ /* We likely want __ex_table to be Cache Line aligned */
+ . = ALIGN(L1_CACHE_BYTES); /* Exception table */
+ __start___ex_table = .;
+ __ex_table : C_PHYS(__ex_table) { *(__ex_table) }
+ __stop___ex_table = .;
- _etext = .; /* End of text section */
+ _etext = .; /* End of text section */
- NOTES
+ BUG_TABLE
+ NOTES
+ RO_DATA(PAGE_SIZE)
- RODATA
+ . = ALIGN(THREAD_SIZE);
+ .data : C_PHYS(.data) { /* Data */
+ *(.data.init_task)
- .data : C_PHYS(.data) { /* Data */
- DATA_DATA
- CONSTRUCTORS
+ . = ALIGN(L1_CACHE_BYTES);
+ *(.data.cacheline_aligned)
+
+ . = ALIGN(L1_CACHE_BYTES);
+ *(.data.read_mostly)
+
+ . = ALIGN(PAGE_SIZE);
+ *(.data.page_aligned)
+
+ __nosave_begin = .;
+ *(.data.nosave)
+ . = ALIGN(PAGE_SIZE);
+ __nosave_end = .;
+
+ DATA_DATA
+ CONSTRUCTORS
}
- . = ALIGN(PAGE_SIZE);
- .data.page_aligned : C_PHYS(.data.page_aligned) { *(.data.page_aligned) }
-
- PERCPU(PAGE_SIZE)
-
- . = ALIGN(L1_CACHE_BYTES);
- .data.cacheline_aligned : C_PHYS(.data.cacheline_aligned) { *(.data.cacheline_aligned) }
-
- _edata = .; /* End of data section */
-
- . = ALIGN(THREAD_SIZE); /* init_task: structure size aligned */
- .data.init_task : C_PHYS(.data.init_task) { *(.data.init_task) }
-
- . = ALIGN(PAGE_SIZE); /* Init code and data */
- __init_begin = .;
- _sinittext = .;
- .init.text : C_PHYS(.init.text) { *(.init.text) }
- _einittext = .;
- .init.data : C_PHYS(.init.data) { *(.init.data) }
- . = ALIGN(L1_CACHE_BYTES); /* Better if Cache Line aligned */
- __setup_start = .;
- .init.setup : C_PHYS(.init.setup) { *(.init.setup) }
- __setup_end = .;
- __initcall_start = .;
- .initcall.init : C_PHYS(.initcall.init) {
- INITCALLS
- }
- __initcall_end = .;
- __con_initcall_start = .;
- .con_initcall.init : C_PHYS(.con_initcall.init) { *(.con_initcall.init) }
- __con_initcall_end = .;
- SECURITY_INIT
+ _edata = .; /* End of data section */
+
+ . = ALIGN(PAGE_SIZE); /* Init code and data */
+ __init_begin = .;
+ _sinittext = .;
+ .init.text : C_PHYS(.init.text) { *(.init.text) }
+ _einittext = .;
+ .init.data : C_PHYS(.init.data) { *(.init.data) }
+ . = ALIGN(L1_CACHE_BYTES); /* Better if Cache Line aligned */
+ __setup_start = .;
+ .init.setup : C_PHYS(.init.setup) { *(.init.setup) }
+ __setup_end = .;
+ __initcall_start = .;
+ .initcall.init : C_PHYS(.initcall.init) {
+ INITCALLS
+ }
+ __initcall_end = .;
+ __con_initcall_start = .;
+ .con_initcall.init : C_PHYS(.con_initcall.init) {
+ *(.con_initcall.init)
+ }
+ __con_initcall_end = .;
+
+ SECURITY_INIT
#ifdef CONFIG_BLK_DEV_INITRD
- __initramfs_start = .;
- .init.ramfs : C_PHYS(.init.ramfs) { *(.init.ramfs) }
- __initramfs_end = .;
+ . = ALIGN(PAGE_SIZE);
+ __initramfs_start = .;
+ .init.ramfs : C_PHYS(.init.ramfs) { *(.init.ramfs) }
+ __initramfs_end = .;
#endif
- . = ALIGN(PAGE_SIZE);
- __init_end = .;
-
- /* Align to the biggest single data representation, head and tail */
- . = ALIGN(8);
- __bss_start = .; /* BSS */
- .bss : C_PHYS(.bss) {
- *(.bss)
+ . = ALIGN(8);
+ __machvec_start = .;
+ .machvec.init : C_PHYS(.machvec.init) { *(.machvec.init) }
+ __machvec_end = .;
+
+ PERCPU(PAGE_SIZE)
+
+ /*
+ * .exit.text is discarded at runtime, not link time, to deal with
+ * references from __bug_table
+ */
+ .exit.text : C_PHYS(.exit.text) { *(.exit.text) }
+ .exit.data : C_PHYS(.exit.data) { *(.exit.data) }
+
+ . = ALIGN(PAGE_SIZE);
+ .bss : C_PHYS(.bss) {
+ __init_end = .;
+ __bss_start = .; /* BSS */
+ *(.bss.page_aligned)
+ *(.bss)
+ *(COMMON)
+ . = ALIGN(4);
+ _ebss = .; /* uClinux MTD sucks */
+ _end = . ;
}
- . = ALIGN(8);
- _end = . ;
-
- /* Sections to be discarded */
- /DISCARD/ : {
- *(.exit.text)
- *(.exit.data)
- *(.exitcall.exit)
+
+ /*
+ * When something in the kernel is NOT compiled as a module, the
+ * module cleanup code and data are put into these segments. Both
+ * can then be thrown away, as cleanup code is never called unless
+ * it's a module.
+ */
+ /DISCARD/ : {
+ *(.exitcall.exit)
}
- STABS_DEBUG
- DWARF_DEBUG
+ STABS_DEBUG
+ DWARF_DEBUG
}