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

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