i386: prepare shared kernel/vmlinux.lds.S
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/i386/kernel/vmlinux_32.lds.S b/arch/i386/kernel/vmlinux_32.lds.S
new file mode 100644
index 0000000..7d72cce
--- /dev/null
+++ b/arch/i386/kernel/vmlinux_32.lds.S
@@ -0,0 +1,213 @@
+/* ld script to make i386 Linux kernel
+ * Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>;
+ *
+ * Don't define absolute symbols until and unless you know that symbol
+ * value is should remain constant even if kernel image is relocated
+ * at run time. Absolute symbols are not relocated. If symbol value should
+ * change if kernel is relocated, make the symbol section relative and
+ * put it inside the section definition.
+ */
+
+/* Don't define absolute symbols until and unless you know that symbol
+ * value is should remain constant even if kernel image is relocated
+ * at run time. Absolute symbols are not relocated. If symbol value should
+ * change if kernel is relocated, make the symbol section relative and
+ * put it inside the section definition.
+ */
+#define LOAD_OFFSET __PAGE_OFFSET
+
+#include <asm-generic/vmlinux.lds.h>
+#include <asm/thread_info.h>
+#include <asm/page.h>
+#include <asm/cache.h>
+#include <asm/boot.h>
+
+OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
+OUTPUT_ARCH(i386)
+ENTRY(phys_startup_32)
+jiffies = jiffies_64;
+
+PHDRS {
+ text PT_LOAD FLAGS(5); /* R_E */
+ data PT_LOAD FLAGS(7); /* RWE */
+ note PT_NOTE FLAGS(0); /* ___ */
+}
+SECTIONS
+{
+ . = LOAD_OFFSET + LOAD_PHYSICAL_ADDR;
+ phys_startup_32 = startup_32 - LOAD_OFFSET;
+
+ .text.head : AT(ADDR(.text.head) - LOAD_OFFSET) {
+ _text = .; /* Text and read-only data */
+ *(.text.head)
+ } :text = 0x9090
+
+ /* read-only */
+ .text : AT(ADDR(.text) - LOAD_OFFSET) {
+ TEXT_TEXT
+ SCHED_TEXT
+ LOCK_TEXT
+ KPROBES_TEXT
+ *(.fixup)
+ *(.gnu.warning)
+ _etext = .; /* End of text section */
+ } :text = 0x9090
+
+ . = ALIGN(16); /* Exception table */
+ __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
+ __start___ex_table = .;
+ *(__ex_table)
+ __stop___ex_table = .;
+ }
+
+ NOTES :text :note
+
+ BUG_TABLE :text
+
+ . = ALIGN(4);
+ .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) {
+ __tracedata_start = .;
+ *(.tracedata)
+ __tracedata_end = .;
+ }
+
+ RODATA
+
+ /* writeable */
+ . = ALIGN(4096);
+ .data : AT(ADDR(.data) - LOAD_OFFSET) { /* Data */
+ DATA_DATA
+ CONSTRUCTORS
+ } :data
+
+ . = ALIGN(4096);
+ .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
+ __nosave_begin = .;
+ *(.data.nosave)
+ . = ALIGN(4096);
+ __nosave_end = .;
+ }
+
+ . = ALIGN(4096);
+ .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
+ *(.data.page_aligned)
+ *(.data.idt)
+ }
+
+ . = ALIGN(32);
+ .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) {
+ *(.data.cacheline_aligned)
+ }
+
+ /* rarely changed data like cpu maps */
+ . = ALIGN(32);
+ .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) {
+ *(.data.read_mostly)
+ _edata = .; /* End of data section */
+ }
+
+ . = ALIGN(THREAD_SIZE); /* init_task */
+ .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
+ *(.data.init_task)
+ }
+
+ /* might get freed after init */
+ . = ALIGN(4096);
+ .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) {
+ __smp_locks = .;
+ *(.smp_locks)
+ __smp_locks_end = .;
+ }
+ /* will be freed after init
+ * Following ALIGN() is required to make sure no other data falls on the
+ * same page where __smp_alt_end is pointing as that page might be freed
+ * after boot. Always make sure that ALIGN() directive is present after
+ * the section which contains __smp_alt_end.
+ */
+ . = ALIGN(4096);
+
+ /* will be freed after init */
+ . = ALIGN(4096); /* Init code and 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);
+ .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 = .;
+ }
+ .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
+ __con_initcall_start = .;
+ *(.con_initcall.init)
+ __con_initcall_end = .;
+ }
+ SECURITY_INIT
+ . = ALIGN(4);
+ .altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) {
+ __alt_instructions = .;
+ *(.altinstructions)
+ __alt_instructions_end = .;
+ }
+ .altinstr_replacement : AT(ADDR(.altinstr_replacement) - LOAD_OFFSET) {
+ *(.altinstr_replacement)
+ }
+ . = ALIGN(4);
+ .parainstructions : AT(ADDR(.parainstructions) - LOAD_OFFSET) {
+ __parainstructions = .;
+ *(.parainstructions)
+ __parainstructions_end = .;
+ }
+ /* .exit.text is discard at runtime, not link time, to deal with references
+ from .altinstructions and .eh_frame */
+ .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { *(.exit.text) }
+ .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { *(.exit.data) }
+#if defined(CONFIG_BLK_DEV_INITRD)
+ . = ALIGN(4096);
+ .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
+ __initramfs_start = .;
+ *(.init.ramfs)
+ __initramfs_end = .;
+ }
+#endif
+ . = ALIGN(4096);
+ .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) {
+ __per_cpu_start = .;
+ *(.data.percpu)
+ *(.data.percpu.shared_aligned)
+ __per_cpu_end = .;
+ }
+ . = ALIGN(4096);
+ /* freed after init ends here */
+
+ .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
+ __init_end = .;
+ __bss_start = .; /* BSS */
+ *(.bss.page_aligned)
+ *(.bss)
+ . = ALIGN(4);
+ __bss_stop = .;
+ _end = . ;
+ /* This is where the kernel creates the early boot page tables */
+ . = ALIGN(4096);
+ pg0 = . ;
+ }
+
+ /* Sections to be discarded */
+ /DISCARD/ : {
+ *(.exitcall.exit)
+ }
+
+ STABS_DEBUG
+
+ DWARF_DEBUG
+}