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authorPaul Mundt <lethal@linux-sh.org>2007-10-30 17:38:03 +0900
committerPaul Mundt <lethal@linux-sh.org>2007-10-30 17:38:03 +0900
commit36b13d767ad68713ab498d71c8df78ca788bda63 (patch)
tree30ec454a639e352ab707bc9f1d7758c01fffdc11 /arch/sh/kernel
parent69d1ef4caf77da7164d3e392bf0a8057b42cf26e (diff)
sh: linker script tidying.
Some cleanups to the SH linker script. This reorders some of the data sections for more optimal placement, general tabification, and plugging in omitted generic definitions. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/kernel')
-rw-r--r--arch/sh/kernel/vmlinux.lds.S197
1 files changed, 104 insertions, 93 deletions
diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S
index 081147c401b..0956fb3681a 100644
--- a/arch/sh/kernel/vmlinux.lds.S
+++ b/arch/sh/kernel/vmlinux.lds.S
@@ -1,4 +1,4 @@
-/* $Id: vmlinux.lds.S,v 1.8 2003/05/16 17:18:14 lethal Exp $
+/*
* ld script to make SuperH Linux kernel
* Written by Niibe Yutaka
*/
@@ -15,113 +15,124 @@ OUTPUT_ARCH(sh)
ENTRY(_start)
SECTIONS
{
- . = CONFIG_PAGE_OFFSET + CONFIG_MEMORY_START + CONFIG_ZERO_PAGE_OFFSET;
- _text = .; /* Text and read-only data */
- text = .; /* Text and read-only data */
- .empty_zero_page : {
- *(.empty_zero_page)
+ . = CONFIG_PAGE_OFFSET + CONFIG_MEMORY_START + CONFIG_ZERO_PAGE_OFFSET;
+ _text = .; /* Text and read-only data */
+
+ .empty_zero_page : {
+ *(.empty_zero_page)
} = 0
- .text : {
- *(.text.head)
- TEXT_TEXT
- SCHED_TEXT
- LOCK_TEXT
- *(.fixup)
- *(.gnu.warning)
+
+ .text : {
+ *(.text.head)
+ TEXT_TEXT
+ SCHED_TEXT
+ LOCK_TEXT
+ KPROBES_TEXT
+ *(.fixup)
+ *(.gnu.warning)
} = 0x0009
- . = ALIGN(16); /* Exception table */
- __start___ex_table = .;
- __ex_table : { *(__ex_table) }
- __stop___ex_table = .;
+ . = ALIGN(16); /* Exception table */
+ __start___ex_table = .;
+ __ex_table : { *(__ex_table) }
+ __stop___ex_table = .;
+
+ _etext = .; /* End of text section */
+
+ BUG_TABLE
+ NOTES
+ RO_DATA(PAGE_SIZE)
- _etext = .; /* End of text section */
+ . = ALIGN(THREAD_SIZE);
+ .data : { /* Data */
+ *(.data.init_task)
- RODATA
+ . = ALIGN(L1_CACHE_BYTES);
+ *(.data.cacheline_aligned)
- BUG_TABLE
+ . = ALIGN(L1_CACHE_BYTES);
+ *(.data.read_mostly)
- .data : { /* Data */
- DATA_DATA
- CONSTRUCTORS
+ . = ALIGN(PAGE_SIZE);
+ *(.data.page_aligned)
+
+ __nosave_begin = .;
+ *(.data.nosave)
+ . = ALIGN(PAGE_SIZE);
+ __nosave_end = .;
+
+ DATA_DATA
+ CONSTRUCTORS
}
- . = ALIGN(PAGE_SIZE);
- .data.page_aligned : { *(.data.page_aligned) }
- __nosave_begin = .;
- .data_nosave : { *(.data.nosave) }
- . = ALIGN(PAGE_SIZE);
- __nosave_end = .;
-
- PERCPU(PAGE_SIZE)
-
- . = ALIGN(L1_CACHE_BYTES);
- .data.cacheline_aligned : { *(.data.cacheline_aligned) }
-
- _edata = .; /* End of data section */
-
- . = ALIGN(THREAD_SIZE); /* init_task */
- .data.init_task : { *(.data.init_task) }
-
- . = ALIGN(PAGE_SIZE); /* Init code and data */
- __init_begin = .;
- _sinittext = .;
- .init.text : { *(.init.text) }
- _einittext = .;
- .init.data : { *(.init.data) }
- . = ALIGN(16);
- __setup_start = .;
- .init.setup : { *(.init.setup) }
- __setup_end = .;
- __initcall_start = .;
- .initcall.init : {
- INITCALLS
- }
- __initcall_end = .;
- __con_initcall_start = .;
- .con_initcall.init : { *(.con_initcall.init) }
- __con_initcall_end = .;
- SECURITY_INIT
-
- /* .exit.text is discarded at runtime, not link time, to deal with
- references from .rodata */
- .exit.text : { *(.exit.text) }
- .exit.data : { *(.exit.data) }
+ _edata = .; /* End of data section */
-#ifdef CONFIG_BLK_DEV_INITRD
- . = ALIGN(PAGE_SIZE);
+ . = ALIGN(PAGE_SIZE); /* Init code and data */
+ __init_begin = .;
+ _sinittext = .;
+ .init.text : { *(.init.text) }
+ _einittext = .;
+ .init.data : { *(.init.data) }
- __initramfs_start = .;
- .init.ramfs : { *(.init.ramfs) }
- __initramfs_end = .;
+ . = ALIGN(16);
+ __setup_start = .;
+ .init.setup : { *(.init.setup) }
+ __setup_end = .;
+
+ __initcall_start = .;
+ .initcall.init : {
+ INITCALLS
+ }
+ __initcall_end = .;
+ __con_initcall_start = .;
+ .con_initcall.init : { *(.con_initcall.init) }
+ __con_initcall_end = .;
+
+ SECURITY_INIT
+
+#ifdef CONFIG_BLK_DEV_INITRD
+ . = ALIGN(PAGE_SIZE);
+ __initramfs_start = .;
+ .init.ramfs : { *(.init.ramfs) }
+ __initramfs_end = .;
#endif
- . = ALIGN(4);
- __machvec_start = .;
- .machvec.init : { *(.machvec.init) }
- __machvec_end = .;
-
- . = ALIGN(PAGE_SIZE);
- .bss : {
- __init_end = .;
- __bss_start = .; /* BSS */
- *(.bss.page_aligned)
- *(.bss)
. = ALIGN(4);
- _ebss = .; /* uClinux MTD sucks */
- _end = . ;
- }
-
- /* 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)
+ __machvec_start = .;
+ .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 : { *(.exit.text) }
+ .exit.data : { *(.exit.data) }
+
+ . = ALIGN(PAGE_SIZE);
+ .bss : {
+ __init_end = .;
+ __bss_start = .; /* BSS */
+ *(.bss.page_aligned)
+ *(.bss)
+ *(COMMON)
+ . = ALIGN(4);
+ _ebss = .; /* uClinux MTD sucks */
+ _end = . ;
}
- STABS_DEBUG
+ /*
+ * 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)
+ }
- DWARF_DEBUG
+ STABS_DEBUG
+ DWARF_DEBUG
}