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6c76988b81
Leaving these sections is useful to some tools that look at the image, and none of them are loaded into memory. The .mdebug.abi64 section, in particular, lets GDB recognize vmlinux.32 as an N64 program instead of guessing that it is O32. Signed-off-by: Daniel Jacobowitz <dan@codesourcery.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
167 lines
3.8 KiB
ArmAsm
167 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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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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/* . = 0xa800000000300000; */
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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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*(.fixup)
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*(.gnu.warning)
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} =0
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_etext = .; /* End of text section */
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. = ALIGN(16); /* Exception table */
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__start___ex_table = .;
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__ex_table : { *(__ex_table) }
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__stop___ex_table = .;
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__start___dbe_table = .; /* Exception table for data bus errors */
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__dbe_table : { *(__dbe_table) }
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__stop___dbe_table = .;
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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 gcc bug upto 4.1 which
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* limits the maximum alignment 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 of ‘init_thread_union’
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* is greater than maximum 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 : { *(.lit8) }
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.lit4 : { *(.lit4) }
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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 : { *(.sdata) }
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. = ALIGN(_PAGE_SIZE);
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__nosave_begin = .;
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.data_nosave : { *(.data.nosave) }
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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 : { *(.data.cacheline_aligned) }
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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 : { *(.init.data) }
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. = ALIGN(16);
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__setup_start = .;
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.init.setup : { *(.init.setup) }
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__setup_end = .;
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__initcall_start = .;
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.initcall.init : {
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INITCALLS
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}
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__initcall_end = .;
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__con_initcall_start = .;
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.con_initcall.init : { *(.con_initcall.init) }
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__con_initcall_end = .;
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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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.exit.text : { *(.exit.text) }
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.exit.data : { *(.exit.data) }
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#if defined(CONFIG_BLK_DEV_INITRD)
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. = ALIGN(_PAGE_SIZE);
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__initramfs_start = .;
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.init.ramfs : { *(.init.ramfs) }
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__initramfs_end = .;
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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 : { KEEP(*(.mdebug.abi32)) }
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.mdebug.abi64 : { KEEP(*(.mdebug.abi64)) }
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/* This is the MIPS specific mdebug section. */
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.mdebug : { *(.mdebug) }
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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 : { *(.gptab.data) *(.gptab.sdata) }
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.gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
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.note : { *(.note) }
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}
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