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openwrt-xburst/target/linux/coldfire/patches/018-mcfv4e_linker_script_update.patch

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From 3aa2c28ff4271e9232b6c98ba000804de3ed3f33 Mon Sep 17 00:00:00 2001
From: Kurt Mahan <kmahan@freescale.com>
Date: Mon, 26 Nov 2007 23:41:23 -0700
Subject: [PATCH] Rewrite coldfire linker script.
LTIBName: mcfv4e-linker-script-update
Signed-off-by: Kurt Mahan <kmahan@freescale.com>
---
arch/m68k/coldfire/vmlinux-cf.lds | 107 ++++++++++++++++++++++++-------------
arch/m68k/kernel/vmlinux.lds.S | 3 +-
2 files changed, 72 insertions(+), 38 deletions(-)
--- a/arch/m68k/coldfire/vmlinux-cf.lds
+++ b/arch/m68k/coldfire/vmlinux-cf.lds
@@ -1,76 +1,115 @@
-/* ld script to make m68k Coldfire Linux kernel */
+/* ld script to make m68k Coldfire Linux kernel
+ *
+ * Derived from arch/m68k/kernel/vmlinux-std.lds
+ *
+ * Updated 11/26/2007 for new CodeSourcery toolset
+ * by Kurt Mahan <kmahan@freescale.com>
+ */
+
+#define LOAD_OFFSET 0x00000000
#include <asm-generic/vmlinux.lds.h>
+#include <asm/page_offset.h>
+
+#define START_OFFSET 0x00020000
+#define IMAGE_START PAGE_OFFSET_RAW + START_OFFSET
OUTPUT_FORMAT("elf32-m68k", "elf32-m68k", "elf32-m68k")
OUTPUT_ARCH(m68k)
ENTRY(_stext)
jiffies = jiffies_64 + 4;
+
SECTIONS
{
- . = 0xC0020000;
- _text = .; /* Text and read-only data */
- .text : {
+ . = IMAGE_START;
+ .text.head : AT(ADDR(.text.head) - LOAD_OFFSET) {
+ _text = .; /* Text and read-only data */
*(.text.head)
+ } :text = 0x4e75
+
+ .text : AT(ADDR(.text) - LOAD_OFFSET) {
TEXT_TEXT
SCHED_TEXT
LOCK_TEXT
*(.fixup)
*(.gnu.warning)
- } :text = 0x4e75
-
+ } :text = 0x4e75
_etext = .; /* End of text section */
. = ALIGN(16);
- __start___ex_table = .;
- __ex_table : { *(__ex_table) }
- __stop___ex_table = .;
+ __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
+ __start___ex_table = .;
+ *(__ex_table)
+ __stop___ex_table = .;
+ }
RODATA
- .data : { /* Data */
+ . = ALIGN(8192);
+ .data : AT(ADDR(.data) - LOAD_OFFSET) { /* Data */
DATA_DATA
CONSTRUCTORS
- }
+ } :data
- .bss : { *(.bss) } /* BSS */
+ .bss : AT(ADDR(.bss) - LOAD_OFFSET) { /* BSS */
+ *(.bss)
+ }
. = ALIGN(16);
- .data.cacheline_aligned : { *(.data.cacheline_aligned) } :data
+ .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET ) {
+ *(.data.cacheline_aligned)
+ } :data
_edata = .; /* End of data section */
. = ALIGN(8192); /* Initrd */
- __init_begin = .;
- .init.text : {
+ .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
+ __init_begin = .;
_sinittext = .;
*(.init.text)
_einittext = .;
}
- .init.data : { *(.init.data) }
+
+ .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) {
+ *(.init.data)
+ }
+
. = ALIGN(16);
- __setup_start = .;
- .init.setup : { *(.init.setup) }
- __setup_end = .;
- __initcall_start = .;
- .initcall.init : {
+ .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
+ __setup_start = .;
+ *(.init.setup)
+ __setup_end = .;
+ }
+
+ .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
+ __initcall_start = .;
INITCALLS
+ __initcall_end = .;
}
- __initcall_end = .;
- __con_initcall_start = .;
- .con_initcall.init : { *(.con_initcall.init) }
- __con_initcall_end = .;
+
+ .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
+ __con_initcall_start = .;
+ *(.con_initcall.init)
+ __con_initcall_end = .;
+ }
+
SECURITY_INIT
+
#ifdef CONFIG_BLK_DEV_INITRD
. = ALIGN(8192);
- __initramfs_start = .;
- .init.ramfs : { *(.init.ramfs) }
- __initramfs_end = .;
+ .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
+ __initramfs_start = .;
+ *(.init.ramfs)
+ __initramfs_end = .;
+ }
#endif
+
. = ALIGN(8192);
__init_end = .;
- .data.init_task : { *(.data.init_task) } /* The initial task and kernel stack */
+ .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
+ *(.data.init_task) /* The initial task and kernel stack */
+ }
_end = . ;
@@ -79,14 +118,8 @@ SECTIONS
*(.exit.text)
*(.exit.data)
*(.exitcall.exit)
- }
+ }
/* Stabs debugging sections. */
- .stab 0 : { *(.stab) }
- .stabstr 0 : { *(.stabstr) }
- .stab.excl 0 : { *(.stab.excl) }
- .stab.exclstr 0 : { *(.stab.exclstr) }
- .stab.index 0 : { *(.stab.index) }
- .stab.indexstr 0 : { *(.stab.indexstr) }
- .comment 0 : { *(.comment) }
+ STABS_DEBUG
}
--- a/arch/m68k/kernel/vmlinux.lds.S
+++ b/arch/m68k/kernel/vmlinux.lds.S
@@ -1,6 +1,7 @@
PHDRS
{
- text PT_LOAD FILEHDR PHDRS FLAGS (7);
+ headers PT_PHDR PHDRS ;
+ text PT_LOAD FILEHDR PHDRS FLAGS (5);
data PT_LOAD FLAGS (7);
}
#ifdef CONFIG_SUN3