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authorPaul Mundt <lethal@linux-sh.org>2009-05-09 23:33:02 +0900
committerPaul Mundt <lethal@linux-sh.org>2009-05-09 23:33:02 +0900
commitc3e2586b794b12ffcdf69b4e547030b51e18e6d9 (patch)
treed7a98459db20d5910a4ed9cfdb64f260cf66521c
parent7cd0378ef4c0d7b05e7dcb1daa115b841ffdc31a (diff)
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>
-rw-r--r--arch/sh/kernel/vmlinux_32.lds.S113
1 files changed, 70 insertions, 43 deletions
diff --git a/arch/sh/kernel/vmlinux_32.lds.S b/arch/sh/kernel/vmlinux_32.lds.S
index dd9b2ee1312..8d97f52ce32 100644
--- a/arch/sh/kernel/vmlinux_32.lds.S
+++ b/arch/sh/kernel/vmlinux_32.lds.S
@@ -1,17 +1,23 @@
/*
* ld script to make SuperH Linux kernel
- * Written by Niibe Yutaka
+ * Written by Niibe Yutaka and Paul Mundt
*/
-#include <asm/thread_info.h>
-#include <asm/cache.h>
-#include <asm-generic/vmlinux.lds.h>
-
+#ifdef CONFIG_SUPERH64
+#define LOAD_OFFSET CONFIG_PAGE_OFFSET
+OUTPUT_ARCH(sh:sh5)
+#else
+OUTPUT_ARCH(sh)
#ifdef CONFIG_CPU_LITTLE_ENDIAN
OUTPUT_FORMAT("elf32-sh-linux", "elf32-sh-linux", "elf32-sh-linux")
#else
OUTPUT_FORMAT("elf32-shbig-linux", "elf32-shbig-linux", "elf32-shbig-linux")
#endif
-OUTPUT_ARCH(sh)
+#endif
+
+#include <asm/thread_info.h>
+#include <asm/cache.h>
+#include <asm-generic/vmlinux.lds.h>
+
ENTRY(_start)
SECTIONS
{
@@ -24,28 +30,35 @@ SECTIONS
. = CONFIG_PAGE_OFFSET + CONFIG_MEMORY_START + CONFIG_ZERO_PAGE_OFFSET;
#endif
- _text = .; /* Text and read-only data */
-
- .empty_zero_page : {
+ .empty_zero_page : AT(ADDR(.empty_zero_page) - LOAD_OFFSET) {
*(.empty_zero_page)
} = 0
- .text : {
+ .text : AT(ADDR(.text) - LOAD_OFFSET) {
+ _text = .; /* Text and read-only data */
HEAD_TEXT
TEXT_TEXT
+
+#ifdef CONFIG_SUPERH64
+ *(.text64)
+ *(.text..SHmedia32)
+#endif
+
SCHED_TEXT
LOCK_TEXT
KPROBES_TEXT
+ IRQENTRY_TEXT
*(.fixup)
*(.gnu.warning)
+ _etext = .; /* End of text section */
} = 0x0009
. = ALIGN(16); /* Exception table */
- __start___ex_table = .;
- __ex_table : { *(__ex_table) }
- __stop___ex_table = .;
-
- _etext = .; /* End of text section */
+ __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
+ __start___ex_table = .;
+ *(__ex_table)
+ __stop___ex_table = .;
+ }
NOTES
RO_DATA(PAGE_SIZE)
@@ -54,13 +67,15 @@ SECTIONS
* Code which must be executed uncached and the associated data
*/
. = ALIGN(PAGE_SIZE);
- __uncached_start = .;
- .uncached.text : { *(.uncached.text) }
- .uncached.data : { *(.uncached.data) }
- __uncached_end = .;
+ .uncached : AT(ADDR(.uncached) - LOAD_OFFSET) {
+ __uncached_start = .;
+ *(.uncached.text)
+ *(.uncached.data)
+ __uncached_end = .;
+ }
. = ALIGN(THREAD_SIZE);
- .data : { /* Data */
+ .data : AT(ADDR(.data) - LOAD_OFFSET) { /* Data */
*(.data.init_task)
. = ALIGN(L1_CACHE_BYTES);
@@ -84,39 +99,51 @@ SECTIONS
_edata = .; /* End of data section */
. = ALIGN(PAGE_SIZE); /* Init code and data */
- __init_begin = .;
- _sinittext = .;
- .init.text : { INIT_TEXT }
- _einittext = .;
- .init.data : { INIT_DATA }
+ .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
+ __init_begin = .;
+ _sinittext = .;
+ INIT_TEXT
+ _einittext = .;
+ }
+
+ .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { INIT_DATA }
. = ALIGN(16);
- __setup_start = .;
- .init.setup : { *(.init.setup) }
- __setup_end = .;
+ .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
+ __setup_start = .;
+ *(.init.setup)
+ __setup_end = .;
+ }
- __initcall_start = .;
- .initcall.init : {
+ .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
+ __initcall_start = .;
INITCALLS
+ __initcall_end = .;
+ }
+
+ .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
+ __con_initcall_start = .;
+ *(.con_initcall.init)
+ __con_initcall_end = .;
}
- __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 = .;
+ .init.ramfs : AT(ADDR(.init_ramfs) - LOAD_OFFSET) {
+ __initramfs_start = .;
+ *(.init.ramfs)
+ __initramfs_end = .;
+ }
#endif
. = ALIGN(4);
- __machvec_start = .;
- .machvec.init : { *(.machvec.init) }
- __machvec_end = .;
+ .machvec.init : AT(ADDR(.machvec.init) - LOAD_OFFSET) {
+ __machvec_start = .;
+ *(.machvec.init)
+ __machvec_end = .;
+ }
PERCPU(PAGE_SIZE)
@@ -124,11 +151,11 @@ SECTIONS
* .exit.text is discarded at runtime, not link time, to deal with
* references from __bug_table
*/
- .exit.text : { EXIT_TEXT }
- .exit.data : { EXIT_DATA }
+ .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { EXIT_TEXT }
+ .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { EXIT_DATA }
. = ALIGN(PAGE_SIZE);
- .bss : {
+ .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
__init_end = .;
__bss_start = .; /* BSS */
*(.bss.page_aligned)