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01ba2bdc6b
This patch consolidate all definitions of .init.text, .init.data and .exit.text, .exit.data section definitions in the generic vmlinux.lds.h. This is a preparational patch - alone it does not buy us much good. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
215 lines
3.8 KiB
ArmAsm
215 lines
3.8 KiB
ArmAsm
#include <asm/asm-offsets.h>
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#include <asm-generic/vmlinux.lds.h>
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#undef mips
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#define mips mips
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OUTPUT_ARCH(mips)
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ENTRY(kernel_entry)
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PHDRS {
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text PT_LOAD FLAGS(7); /* RWX */
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note PT_NOTE FLAGS(4); /* R__ */
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}
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jiffies = JIFFIES;
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SECTIONS
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{
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#ifdef CONFIG_BOOT_ELF64
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/* Read-only sections, merged into text segment: */
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/* . = 0xc000000000000000; */
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/* This is the value for an Origin kernel, taken from an IRIX kernel. */
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/* . = 0xc00000000001c000; */
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/* Set the vaddr for the text segment to a value
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* >= 0xa800 0000 0001 9000 if no symmon is going to configured
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* >= 0xa800 0000 0030 0000 otherwise
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*/
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/* . = 0xa800000000300000; */
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. = 0xffffffff80300000;
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#endif
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. = LOADADDR;
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/* read-only */
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_text = .; /* Text and read-only data */
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.text : {
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TEXT_TEXT
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SCHED_TEXT
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LOCK_TEXT
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KPROBES_TEXT
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*(.fixup)
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*(.gnu.warning)
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} :text = 0
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_etext = .; /* End of text section */
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/* Exception table */
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. = ALIGN(16);
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__ex_table : {
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__start___ex_table = .;
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*(__ex_table)
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__stop___ex_table = .;
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}
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/* Exception table for data bus errors */
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__dbe_table : {
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__start___dbe_table = .;
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*(__dbe_table)
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__stop___dbe_table = .;
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}
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NOTES :text :note
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.dummy : { *(.dummy) } :text
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RODATA
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/* writeable */
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.data : { /* Data */
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. = . + DATAOFFSET; /* for CONFIG_MAPPED_KERNEL */
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/*
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* This ALIGN is needed as a workaround for a bug a
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* gcc bug upto 4.1 which limits the maximum alignment
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* to at most 32kB and results in the following
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* warning:
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*
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* CC arch/mips/kernel/init_task.o
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* arch/mips/kernel/init_task.c:30: warning: alignment
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* of ‘init_thread_union’ is greater than maximum
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* object file alignment. Using 32768
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*/
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. = ALIGN(_PAGE_SIZE);
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*(.data.init_task)
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DATA_DATA
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CONSTRUCTORS
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}
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_gp = . + 0x8000;
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.lit8 : {
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*(.lit8)
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}
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.lit4 : {
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*(.lit4)
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}
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/* We want the small data sections together, so single-instruction offsets
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can access them all, and initialized data all before uninitialized, so
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we can shorten the on-disk segment size. */
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.sdata : {
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*(.sdata)
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}
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. = ALIGN(_PAGE_SIZE);
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.data_nosave : {
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__nosave_begin = .;
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*(.data.nosave)
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}
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. = ALIGN(_PAGE_SIZE);
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__nosave_end = .;
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. = ALIGN(32);
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.data.cacheline_aligned : {
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*(.data.cacheline_aligned)
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}
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_edata = .; /* End of data section */
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/* will be freed after init */
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. = ALIGN(_PAGE_SIZE); /* Init code and data */
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__init_begin = .;
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.init.text : {
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_sinittext = .;
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INIT_TEXT
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_einittext = .;
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}
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.init.data : {
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INIT_DATA
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}
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. = ALIGN(16);
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.init.setup : {
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__setup_start = .;
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*(.init.setup)
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__setup_end = .;
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}
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.initcall.init : {
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__initcall_start = .;
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INITCALLS
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__initcall_end = .;
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}
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.con_initcall.init : {
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__con_initcall_start = .;
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*(.con_initcall.init)
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__con_initcall_end = .;
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}
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SECURITY_INIT
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/* .exit.text is discarded at runtime, not link time, to deal with
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* references from .rodata
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*/
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.exit.text : {
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EXIT_TEXT
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}
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.exit.data : {
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EXIT_DATA
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}
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#if defined(CONFIG_BLK_DEV_INITRD)
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. = ALIGN(_PAGE_SIZE);
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.init.ramfs : {
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__initramfs_start = .;
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*(.init.ramfs)
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__initramfs_end = .;
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}
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#endif
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PERCPU(_PAGE_SIZE)
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. = ALIGN(_PAGE_SIZE);
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__init_end = .;
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/* freed after init ends here */
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__bss_start = .; /* BSS */
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.sbss : {
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*(.sbss)
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*(.scommon)
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}
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.bss : {
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*(.bss)
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*(COMMON)
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}
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__bss_stop = .;
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_end = . ;
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/* Sections to be discarded */
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/DISCARD/ : {
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*(.exitcall.exit)
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/* ABI crap starts here */
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*(.MIPS.options)
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*(.options)
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*(.pdr)
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*(.reginfo)
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}
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/* These mark the ABI of the kernel for debuggers. */
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.mdebug.abi32 : {
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KEEP(*(.mdebug.abi32))
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}
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.mdebug.abi64 : {
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KEEP(*(.mdebug.abi64))
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}
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/* This is the MIPS specific mdebug section. */
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.mdebug : {
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*(.mdebug)
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}
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STABS_DEBUG
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DWARF_DEBUG
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/* These must appear regardless of . */
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.gptab.sdata : {
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*(.gptab.data)
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*(.gptab.sdata)
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}
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.gptab.sbss : {
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*(.gptab.bss)
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*(.gptab.sbss)
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}
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}
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