forked from Imagelibrary/rtems
373 lines
8.8 KiB
Plaintext
373 lines
8.8 KiB
Plaintext
/**
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* @file
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*
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* Derived from internal linker script of GNU ld (GNU Binutils) 2.18 for elf32ppc emulation.
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*/
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OUTPUT_FORMAT ("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
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OUTPUT_ARCH (powerpc)
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ENTRY (start)
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STARTUP (start.o)
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bsp_ram_start = ORIGIN (RAM);
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bsp_ram_end = ORIGIN (RAM) + LENGTH (RAM);
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bsp_ram_size = LENGTH (RAM);
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bsp_rom_start = ORIGIN (ROM);
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bsp_rom_end = ORIGIN (ROM) + LENGTH (ROM);
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bsp_rom_size = LENGTH (ROM);
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bsp_dpram_start = ORIGIN (DPRAM);
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bsp_dpram_end = ORIGIN (DPRAM) + LENGTH (DPRAM);
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bsp_dpram_size = LENGTH (DPRAM);
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bsp_section_align = 32;
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RamBase = bsp_ram_start;
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RamSize = bsp_ram_size;
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RamEnd = RamBase + RamSize;
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HeapSize = DEFINED(HeapSize) ? HeapSize : 0x0;
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/*
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* The upper layer linker command file may optionally define the symbol
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* bsp_section_small_data_area_size. By default, the small data area is
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* defined by the .sdata and .sbss input sections. Define
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* bsp_section_small_data_area_size, if you want to make space available for
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* dynamically loaded libraries (libdl). Small memory targets which do not use
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* libdl, should not define this symbol.
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*/
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MEMORY {
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UNEXPECTED_SECTIONS : ORIGIN = 0xffffffff, LENGTH = 0
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}
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SECTIONS {
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/*
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* BSP: MPC5200 registers
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*/
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.regs (NOLOAD) : {
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MBAR = .;
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mpc5200 = .;
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} > REGS
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/*
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* BSP: Exception vectors
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*/
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.vectors 0x100 : {
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*(.vectors)
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} > RAM
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/*
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* BSP: The initial stack will live in this area - between the vectors
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* and the text section.
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*/
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.text 0x10000 : {
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/*
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* BSP: Start of text section
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*/
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bsp_section_text_start = .;
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/*
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* BSP: System startup entry
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*/
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KEEP (*(.entry))
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/*
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* BSP: Moved into .text from .init
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*/
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KEEP (*(.init))
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*(.text .stub .text.* .gnu.linkonce.t.*)
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KEEP (*(.text.*personality*))
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/* .gnu.warning sections are handled specially by elf32.em. */
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*(.gnu.warning)
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*(.glink)
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/*
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* BSP: Special FreeBSD sysctl sections
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*/
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. = ALIGN (16);
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*(set_sysctl_*);
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__stop_set_sysctl_set = ABSOLUTE(.);
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*(set_domain_*);
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*(set_pseudo_*);
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/*
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* BSP: Moved into .text from .*
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*/
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*(.rodata .rodata.* .gnu.linkonce.r.*)
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KEEP (*(SORT(.rtemsroset.*)))
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*(.rodata1)
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*(.interp)
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*(.note.gnu.build-id)
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*(.hash)
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*(.gnu.hash)
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*(.dynsym)
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*(.dynstr)
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*(.gnu.version)
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*(.gnu.version_d)
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*(.gnu.version_r)
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*(.eh_frame_hdr)
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/*
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* BSP: Magic PPC stuff
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*/
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*(.PPC.*)
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/*
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* BSP: Required by cpukit/score/src/threadhandler.c
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*/
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PROVIDE (_fini = .);
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/*
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* BSP: Moved into .text from .fini
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*/
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PROVIDE (__etext = .);
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PROVIDE (_etext = .);
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PROVIDE (etext = .);
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} > RAM
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.tdata : {
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_TLS_Data_begin = .;
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*(.tdata .tdata.* .gnu.linkonce.td.*)
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_TLS_Data_end = .;
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} > RAM
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.tbss : {
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*(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
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} > RAM
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_TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss));
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.sdata2 : {
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*(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
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. = ALIGN (bsp_section_align);
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} > RAM
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.sbss2 : {
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*(.sbss2 .sbss2.* .gnu.linkonce.sb2.*)
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. = ALIGN (bsp_section_align);
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/*
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* BSP: End of text section
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*/
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bsp_section_text_end = .;
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} > RAM
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.data : {
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/*
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* BSP: Start of data section
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*/
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bsp_section_data_start = .;
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/*
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* BSP: Moved into .data from .ctors
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*/
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KEEP (*ecrti.o(.ctors))
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KEEP (*crtbegin.o(.ctors))
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KEEP (*crtbegin?.o(.ctors))
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KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o *ecrtn.o) .ctors))
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KEEP (*(SORT(.ctors.*)))
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KEEP (*(.ctors))
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/*
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* BSP: Moved into .data from .dtors
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*/
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KEEP (*ecrti.o(.dtors))
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KEEP (*crtbegin.o(.dtors))
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KEEP (*crtbegin?.o(.dtors))
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KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o *ecrtn.o) .dtors))
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KEEP (*(SORT(.dtors.*)))
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KEEP (*(.dtors))
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/*
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* BSP: Moved into .data from .*
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*/
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*(.tdata .tdata.* .gnu.linkonce.td.*)
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*(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
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*(.data1)
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KEEP (*(.eh_frame))
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*(.gcc_except_table .gcc_except_table.*)
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KEEP (*(.jcr))
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*(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*)
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*(.fixup)
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*(.got1)
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*(.got2)
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*(.dynamic)
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*(.got)
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*(.plt)
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PROVIDE_HIDDEN (__preinit_array_start = .);
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KEEP (*(.preinit_array))
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PROVIDE_HIDDEN (__preinit_array_end = .);
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PROVIDE_HIDDEN (__init_array_start = .);
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KEEP (*(SORT(.init_array.*)))
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KEEP (*(.init_array))
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PROVIDE_HIDDEN (__init_array_end = .);
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PROVIDE_HIDDEN (__fini_array_start = .);
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KEEP (*(.fini_array))
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KEEP (*(SORT(.fini_array.*)))
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PROVIDE_HIDDEN (__fini_array_end = .);
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*(.data .data.* .gnu.linkonce.d.*)
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KEEP (*(SORT(.rtemsrwset.*)))
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KEEP (*(.gnu.linkonce.d.*personality*))
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SORT(CONSTRUCTORS)
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. = ALIGN (bsp_section_align);
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} > RAM
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.sdata : {
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bsp_section_sdata_begin = .;
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PROVIDE (_SDA_BASE_ = 32768);
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*(.sdata .sdata.* .gnu.linkonce.s.*)
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. = ALIGN (bsp_section_align);
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_edata = .;
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PROVIDE (edata = .);
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/*
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* BSP: End of data section
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*/
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bsp_section_data_end = .;
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bsp_section_sdata_end = .;
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} > RAM
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.sbss : {
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/*
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* BSP: Start of bss section
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*/
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bsp_section_sbss_begin = .;
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__bss_start = .;
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PROVIDE (__sbss_start = .); PROVIDE (___sbss_start = .);
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*(.scommon)
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*(.dynsbss)
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*(.sbss .sbss.* .gnu.linkonce.sb.*)
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PROVIDE (__sbss_end = .); PROVIDE (___sbss_end = .);
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. = DEFINED(bsp_section_small_data_area_size) ?
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bsp_section_sdata_begin + bsp_section_small_data_area_size : .;
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. = ALIGN (bsp_section_align);
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} > RAM
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.bss : {
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bsp_section_bss_start = .;
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*(COMMON)
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*(.dynbss)
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*(.bss .bss.* .gnu.linkonce.b.*)
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. = ALIGN (bsp_section_align);
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__end = .;
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_end = .;
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PROVIDE (end = .);
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/*
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* BSP: End of bss section
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*/
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bsp_section_bss_end = .;
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} > RAM
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/*
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* BSP: Section sizes
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*/
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bsp_section_text_size = bsp_section_text_end - bsp_section_text_start;
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bsp_section_bss_size = bsp_section_bss_end - bsp_section_bss_start;
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.noinit (NOLOAD) : {
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*(.noinit*)
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} > RAM
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.rtemsstack (NOLOAD) : {
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*(SORT(.rtemsstack.*))
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} > RAM
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/*
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* BSP: Work area start
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*/
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bsp_work_area_start = .;
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/* Stabs debugging sections. */
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/* DWARF debug sections.
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Symbols in the DWARF debugging sections are relative to the beginning
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of the section so we begin them at 0. */
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/* DWARF 1. */
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.debug 0 : { *(.debug) }
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.line 0 : { *(.line) }
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/* GNU DWARF 1 extensions. */
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/* DWARF 2. */
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.debug_abbrev 0 : { *(.debug_abbrev) }
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.debug_frame 0 : { *(.debug_frame) }
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.debug_str 0 : { *(.debug_str) }
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/* SGI/MIPS DWARF 2 extensions. */
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/* DWARF 3. */
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/* DWARF 5. */
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.debug_str_offsets 0 : { *(.debug_str_offsets) }
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.debug_sup 0 : { *(.debug_sup) }
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.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
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/DISCARD/ : {
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*(.note.GNU-stack) *(.gnu_debuglink)
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}
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/*
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* This is a RTEMS specific section to catch all unexpected input
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* sections. In case you get an error like
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* "section `.unexpected_sections' will not fit in region
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* `UNEXPECTED_SECTIONS'"
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* you have to figure out the offending input section and add it to the
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* appropriate output section definition above.
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*/
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.unexpected_sections : { *(*) } > UNEXPECTED_SECTIONS
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}
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