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267 lines
6.8 KiB
Plaintext
267 lines
6.8 KiB
Plaintext
/* Linker script for MC689S12DP256 Flash
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rom banks.
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Author Jefferson L Smith; Robotronics, Inc. 2006
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*/
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OUTPUT_FORMAT("elf32-m68hc12", "elf32-m68hc12",
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"elf32-m68hc12")
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OUTPUT_ARCH(m68hc12)
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ENTRY(_start)
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/* Get memory banks definition from some user configuration file.
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This file must be located in some linker directory (search path
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with -L<dir>). See fixed memory banks emulation script. */
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INCLUDE memory.x;
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SECTIONS
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{
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/* Concatenate .page0 sections. Put them in the page0 memory bank
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unless we are creating a relocatable file. */
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.page0 :
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{
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*(.page0)
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} > page0
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/* PPAGE memory banks */
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.bank0 :
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{
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*(.bank0)
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. = ALIGN(2);
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} > bank0 =0xff
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.bank1 :
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{
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*(.bank1)
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. = ALIGN(2);
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} > bank1 =0xff
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.bank2 :
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{
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*(.bank2)
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. = ALIGN(2);
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} > bank2 =0xff
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.bank3 :
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{
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*(.bank3)
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. = ALIGN(2);
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} > bank3 =0xff
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.bank4 :
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{
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*(.bank4)
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. = ALIGN(2);
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} > bank4 =0xff
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.bank5 :
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{
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*(.bank5)
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. = ALIGN(2);
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} > bank5 =0xff
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.bank6 :
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{
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*(.bank6)
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. = ALIGN(2);
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} > bank6 =0xff
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.bank7 :
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{
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*(.bank7)
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. = ALIGN(2);
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} > bank7 =0xff
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.bank8 :
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{
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*(.bank8)
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. = ALIGN(2);
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} > bank8 =0xff
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.bank9 :
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{
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*(.bank9)
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. = ALIGN(2);
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} > bank9 =0xff
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.bank10 :
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{
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*(.bank10)
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. = ALIGN(2);
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} > bank10 =0xff
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.bank11 :
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{
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*(.bank11)
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. = ALIGN(2);
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} > bank11 =0xff
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.bank12 :
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{
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*(.bank12)
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. = ALIGN(2);
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} > bank12 =0xff
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.bank13 :
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{
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*(.bank13)
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. = ALIGN(2);
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} > bank13 =0xff
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/* Start of text section. */
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.text :
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{
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/* Put startup code at beginning so that _start keeps same address. */
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/* Startup code. */
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KEEP (*(.install0)) /* Section should setup the stack pointer. */
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KEEP (*(.install1)) /* Place holder for applications. */
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KEEP (*(.install2)) /* Optional installation of data sections in RAM. */
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KEEP (*(.install3)) /* Place holder for applications. */
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KEEP (*(.install4)) /* Section that calls the main. */
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*(.init)
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*(.text)
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*(.text.*)
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*(.text_c)
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/* .gnu.warning sections are handled specially by elf32.em. */
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*(.gnu.warning)
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*(.gnu.linkonce.t.*)
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*(.tramp)
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*(.tramp.*)
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/* Finish code. */
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KEEP (*(.fini0)) /* Beginning of finish code (_exit symbol). */
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KEEP (*(.fini1)) /* Place holder for applications. */
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KEEP (*(.fini2)) /* C++ destructors. */
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KEEP (*(.fini3)) /* Place holder for applications. */
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KEEP (*(.fini4)) /* Runtime exit. */
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_etext = .;
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PROVIDE (etext = .);
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. = ALIGN(2);
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} > text AT>bank14 =0xff
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.text_h :
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{
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*(.text_h) /* Bootloader; high Flash area unbanked */
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. = ALIGN(2);
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} > text_h AT>bank15 =0xff
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.rodata :
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{
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*(.rodata)
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*(.rodata.*)
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*(.gnu.linkonce.r*)
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. = ALIGN(2);
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} > text_h AT>bank15 =0xff
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.eh_frame :
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{
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KEEP (*(.eh_frame))
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. = ALIGN(2);
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} > text_h AT>bank15 =0xff
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/* Constructor and destructor tables are in ROM. */
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.ctors :
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{
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PROVIDE (__CTOR_LIST__ = .);
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KEEP (*(.ctors))
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PROVIDE(__CTOR_END__ = .);
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. = ALIGN(2);
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} > text_h AT>bank15 =0xff
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.dtors :
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{
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PROVIDE(__DTOR_LIST__ = .);
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KEEP (*(.dtors))
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PROVIDE(__DTOR_END__ = .);
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. = ALIGN(2);
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} > text_h AT>bank15 =0xff
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/* Start of the data section image in ROM. */
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__data_image = .;
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PROVIDE (__data_image = .);
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/* All read-only sections that normally go in PROM must be above.
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We construct the DATA image section in PROM at end of all these
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read-only sections. The data image must be copied at init time.
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Refer to GNU ld, Section 3.6.8.2 Output Section LMA. */
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.data :
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{
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__data_section_start = .;
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PROVIDE (__data_section_start = .);
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*(.sdata)
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*(.data)
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*(.data.*)
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*(.data1)
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*(.gnu.linkonce.d.*)
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CONSTRUCTORS
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_edata = .;
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PROVIDE (edata = .);
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. = ALIGN(2);
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} > data AT>bank15 =0xff
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__data_section_size = SIZEOF(.data);
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__data_image_end = __data_image + __data_section_size;
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PROVIDE (__data_section_size = SIZEOF(.data));
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/* .install :
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{
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. = _data_image_end;
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} > text */
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/* Relocation for some bss and data sections. */
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.softregs :
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{
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__softregs_section_start = .;
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*(.softregs)
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__softregs_section_end = .;
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} > data
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__softregs_section_size = SIZEOF(.softregs);
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.bss :
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{
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__bss_start = .;
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*(.sbss)
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*(.scommon)
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*(.dynbss)
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*(.bss)
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*(.bss.*)
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*(.gnu.linkonce.b.*)
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*(COMMON)
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PROVIDE (_end = .);
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} > data
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__bss_size = SIZEOF(.bss);
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PROVIDE (__bss_size = SIZEOF(.bss));
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.eeprom :
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{
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*(.eeprom)
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*(.eeprom.*)
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. = ALIGN(2);
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} > eeprom =0xff
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/* If the 'vectors_addr' symbol is defined, it indicates the start address
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of interrupt vectors. This depends on the 9S12 operating mode:
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Addr
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Hardware location LMA 0x10ff80, mirror 0xff80
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Called by dbug12 LMA 0x10ef80, mirror 0xef80
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Ram called by dbug12 0x3e00
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The default vectors address is (LMA) 0x10ff80. This can be overriden
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with the '-defsym vectors_addr=0x...' ld option.
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*/
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PROVIDE (_vectors_addr = DEFINED (vectors_addr) ? vectors_addr : 0x10ff80);
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.vectors DEFINED (vectors_addr) ? vectors_addr : 0x10ff80 :
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{
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KEEP (*(.vectors))
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}
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/* Stabs debugging sections. */
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.stab 0 : { *(.stab) }
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.stabstr 0 : { *(.stabstr) }
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.stab.excl 0 : { *(.stab.excl) }
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.stab.exclstr 0 : { *(.stab.exclstr) }
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.stab.index 0 : { *(.stab.index) }
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.stab.indexstr 0 : { *(.stab.indexstr) }
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.comment 0 : { *(.comment) }
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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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Treatment of DWARF debug section must be at end of the linker
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script to avoid problems when there are undefined symbols. It's necessary
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to avoid that the DWARF section is relocated before such undefined
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symbols are found. */
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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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.debug_srcinfo 0 : { *(.debug_srcinfo) }
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.debug_sfnames 0 : { *(.debug_sfnames) }
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/* DWARF 1.1 and DWARF 2 */
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.debug_aranges 0 : { *(.debug_aranges) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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/* DWARF 2 */
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.debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) }
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.debug_abbrev 0 : { *(.debug_abbrev) }
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.debug_line 0 : { *(.debug_line) }
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.debug_frame 0 : { *(.debug_frame) }
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.debug_str 0 : { *(.debug_str) }
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.debug_loc 0 : { *(.debug_loc) }
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.debug_macinfo 0 : { *(.debug_macinfo) }
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}
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