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      1 # Copyright (C) 2014-2016 Free Software Foundation, Inc.
      2 # 
      3 # Copying and distribution of this file, with or without modification,
      4 # are permitted in any medium without royalty provided the copyright
      5 # notice and this notice are preserved.
      6 
      7 cat <<EOF
      8 /* Copyright (C) 2014-2016 Free Software Foundation, Inc.
      9 
     10    Copying and distribution of this script, with or without modification,
     11    are permitted in any medium without royalty provided the copyright
     12    notice and this notice are preserved.  */
     13 
     14 OUTPUT_FORMAT("${OUTPUT_FORMAT}","${OUTPUT_FORMAT}","${OUTPUT_FORMAT}")
     15 OUTPUT_ARCH(${ARCH})
     16 
     17 __TEXT_REGION_LENGTH__ = DEFINED(__TEXT_REGION_LENGTH__) ? __TEXT_REGION_LENGTH__ : $TEXT_LENGTH;
     18 __DATA_REGION_LENGTH__ = DEFINED(__DATA_REGION_LENGTH__) ? __DATA_REGION_LENGTH__ : $DATA_LENGTH;
     19 __EEPROM_REGION_LENGTH__ = DEFINED(__EEPROM_REGION_LENGTH__) ? __EEPROM_REGION_LENGTH__ : 64K;
     20 __FUSE_REGION_LENGTH__ = DEFINED(__FUSE_REGION_LENGTH__) ? __FUSE_REGION_LENGTH__ : 1K;
     21 __LOCK_REGION_LENGTH__ = DEFINED(__LOCK_REGION_LENGTH__) ? __LOCK_REGION_LENGTH__ : 1K;
     22 __SIGNATURE_REGION_LENGTH__ = DEFINED(__SIGNATURE_REGION_LENGTH__) ? __SIGNATURE_REGION_LENGTH__ : 1K;
     23 __USER_SIGNATURE_REGION_LENGTH__ = DEFINED(__USER_SIGNATURE_REGION_LENGTH__) ? __USER_SIGNATURE_REGION_LENGTH__ : 1K;
     24 
     25 MEMORY
     26 {
     27   text   (rx)   : ORIGIN = 0, LENGTH = __TEXT_REGION_LENGTH__
     28   data   (rw!x) : ORIGIN = $DATA_ORIGIN, LENGTH = __DATA_REGION_LENGTH__
     29   eeprom (rw!x) : ORIGIN = 0x810000, LENGTH = __EEPROM_REGION_LENGTH__
     30   fuse      (rw!x) : ORIGIN = 0x820000, LENGTH = __FUSE_REGION_LENGTH__
     31   lock      (rw!x) : ORIGIN = 0x830000, LENGTH = __LOCK_REGION_LENGTH__
     32   signature (rw!x) : ORIGIN = 0x840000, LENGTH = __SIGNATURE_REGION_LENGTH__
     33   user_signatures (rw!x) : ORIGIN = 0x850000, LENGTH = __USER_SIGNATURE_REGION_LENGTH__
     34 }
     35 
     36 SECTIONS
     37 {
     38   /* Read-only sections, merged into text segment: */
     39   ${TEXT_DYNAMIC+${DYNAMIC}}
     40   .hash        ${RELOCATING-0} : { *(.hash)		}
     41   .dynsym      ${RELOCATING-0} : { *(.dynsym)		}
     42   .dynstr      ${RELOCATING-0} : { *(.dynstr)		}
     43   .gnu.version ${RELOCATING-0} : { *(.gnu.version)	}
     44   .gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d)	}
     45   .gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r)	}
     46 
     47   .rel.init    ${RELOCATING-0} : { *(.rel.init)		}
     48   .rela.init   ${RELOCATING-0} : { *(.rela.init)	}
     49   .rel.text    ${RELOCATING-0} :
     50     {
     51       *(.rel.text)
     52       ${RELOCATING+*(.rel.text.*)}
     53       ${RELOCATING+*(.rel.gnu.linkonce.t*)}
     54     }
     55   .rela.text   ${RELOCATING-0} :
     56     {
     57       *(.rela.text)
     58       ${RELOCATING+*(.rela.text.*)}
     59       ${RELOCATING+*(.rela.gnu.linkonce.t*)}
     60     }
     61   .rel.fini    ${RELOCATING-0} : { *(.rel.fini)		}
     62   .rela.fini   ${RELOCATING-0} : { *(.rela.fini)	}
     63   .rel.rodata  ${RELOCATING-0} :
     64     {
     65       *(.rel.rodata)
     66       ${RELOCATING+*(.rel.rodata.*)}
     67       ${RELOCATING+*(.rel.gnu.linkonce.r*)}
     68     }
     69   .rela.rodata ${RELOCATING-0} :
     70     {
     71       *(.rela.rodata)
     72       ${RELOCATING+*(.rela.rodata.*)}
     73       ${RELOCATING+*(.rela.gnu.linkonce.r*)}
     74     }
     75   .rel.data    ${RELOCATING-0} :
     76     {
     77       *(.rel.data)
     78       ${RELOCATING+*(.rel.data.*)}
     79       ${RELOCATING+*(.rel.gnu.linkonce.d*)}
     80     }
     81   .rela.data   ${RELOCATING-0} :
     82     {
     83       *(.rela.data)
     84       ${RELOCATING+*(.rela.data.*)}
     85       ${RELOCATING+*(.rela.gnu.linkonce.d*)}
     86     }
     87   .rel.ctors   ${RELOCATING-0} : { *(.rel.ctors)	}
     88   .rela.ctors  ${RELOCATING-0} : { *(.rela.ctors)	}
     89   .rel.dtors   ${RELOCATING-0} : { *(.rel.dtors)	}
     90   .rela.dtors  ${RELOCATING-0} : { *(.rela.dtors)	}
     91   .rel.got     ${RELOCATING-0} : { *(.rel.got)		}
     92   .rela.got    ${RELOCATING-0} : { *(.rela.got)		}
     93   .rel.bss     ${RELOCATING-0} : { *(.rel.bss)		}
     94   .rela.bss    ${RELOCATING-0} : { *(.rela.bss)		}
     95   .rel.plt     ${RELOCATING-0} : { *(.rel.plt)		}
     96   .rela.plt    ${RELOCATING-0} : { *(.rela.plt)		}
     97 
     98   /* Internal text space or external memory.  */
     99   .text ${RELOCATING-0} :
    100   {
    101     *(.vectors)
    102     KEEP(*(.vectors))
    103 
    104     /* For data that needs to reside in the lower 64k of progmem.  */
    105     ${RELOCATING+ *(.progmem.gcc*)}
    106 
    107     /* PR 13812: Placing the trampolines here gives a better chance
    108        that they will be in range of the code that uses them.  */
    109     ${RELOCATING+. = ALIGN(2);}
    110     ${CONSTRUCTING+ __trampolines_start = . ; }
    111     /* The jump trampolines for the 16-bit limited relocs will reside here.  */
    112     *(.trampolines)
    113     ${RELOCATING+ *(.trampolines*)}
    114     ${CONSTRUCTING+ __trampolines_end = . ; }
    115 
    116     /* avr-libc expects these data to reside in lower 64K. */
    117     ${RELOCATING+ *libprintf_flt.a:*(.progmem.data)}
    118     ${RELOCATING+ *libc.a:*(.progmem.data)}
    119 
    120     ${RELOCATING+ *(.progmem*)}
    121     
    122     ${RELOCATING+. = ALIGN(2);}
    123 
    124     /* For future tablejump instruction arrays for 3 byte pc devices.
    125        We don't relax jump/call instructions within these sections.  */
    126     *(.jumptables) 
    127     ${RELOCATING+ *(.jumptables*)}
    128 
    129     /* For code that needs to reside in the lower 128k progmem.  */
    130     *(.lowtext)
    131     ${RELOCATING+ *(.lowtext*)}
    132 
    133     ${CONSTRUCTING+ __ctors_start = . ; }
    134     ${CONSTRUCTING+ *(.ctors) }
    135     ${CONSTRUCTING+ __ctors_end = . ; }
    136     ${CONSTRUCTING+ __dtors_start = . ; }
    137     ${CONSTRUCTING+ *(.dtors) }
    138     ${CONSTRUCTING+ __dtors_end = . ; }
    139     KEEP(SORT(*)(.ctors))
    140     KEEP(SORT(*)(.dtors))
    141 
    142     /* From this point on, we don't bother about wether the insns are
    143        below or above the 16 bits boundary.  */
    144     *(.init0)  /* Start here after reset.  */
    145     KEEP (*(.init0))
    146     *(.init1)
    147     KEEP (*(.init1))
    148     *(.init2)  /* Clear __zero_reg__, set up stack pointer.  */
    149     KEEP (*(.init2))
    150     *(.init3)
    151     KEEP (*(.init3))
    152     *(.init4)  /* Initialize data and BSS.  */
    153     KEEP (*(.init4))
    154     *(.init5)
    155     KEEP (*(.init5))
    156     *(.init6)  /* C++ constructors.  */
    157     KEEP (*(.init6))
    158     *(.init7)
    159     KEEP (*(.init7))
    160     *(.init8)
    161     KEEP (*(.init8))
    162     *(.init9)  /* Call main().  */
    163     KEEP (*(.init9))
    164     *(.text)
    165     ${RELOCATING+. = ALIGN(2);}
    166     ${RELOCATING+ *(.text.*)}
    167     ${RELOCATING+. = ALIGN(2);}
    168     *(.fini9)  /* _exit() starts here.  */
    169     KEEP (*(.fini9))
    170     *(.fini8)
    171     KEEP (*(.fini8))
    172     *(.fini7)
    173     KEEP (*(.fini7))
    174     *(.fini6)  /* C++ destructors.  */
    175     KEEP (*(.fini6))
    176     *(.fini5)
    177     KEEP (*(.fini5))
    178     *(.fini4)
    179     KEEP (*(.fini4))
    180     *(.fini3)
    181     KEEP (*(.fini3))
    182     *(.fini2)
    183     KEEP (*(.fini2))
    184     *(.fini1)
    185     KEEP (*(.fini1))
    186     *(.fini0)  /* Infinite loop after program termination.  */
    187     KEEP (*(.fini0))
    188     ${RELOCATING+ _etext = . ; }
    189   } ${RELOCATING+ > text}
    190 
    191   .data        ${RELOCATING-0} :
    192   {
    193     ${RELOCATING+ PROVIDE (__data_start = .) ; }
    194     *(.data)
    195     ${RELOCATING+ *(.data*)}
    196     *(.rodata)  /* We need to include .rodata here if gcc is used */
    197     ${RELOCATING+ *(.rodata*)} /* with -fdata-sections.  */
    198     *(.gnu.linkonce.d*)
    199     ${RELOCATING+. = ALIGN(2);}
    200     ${RELOCATING+ _edata = . ; }
    201     ${RELOCATING+ PROVIDE (__data_end = .) ; }
    202   } ${RELOCATING+ > data ${RELOCATING+AT> text}}
    203 
    204   .bss ${RELOCATING+ ADDR(.data) + SIZEOF (.data)} ${RELOCATING-0} :${RELOCATING+ AT (ADDR (.bss))}
    205   {
    206     ${RELOCATING+ PROVIDE (__bss_start = .) ; }
    207     *(.bss)
    208     ${RELOCATING+ *(.bss*)}
    209     *(COMMON)
    210     ${RELOCATING+ PROVIDE (__bss_end = .) ; }
    211   } ${RELOCATING+ > data}
    212 
    213   ${RELOCATING+ __data_load_start = LOADADDR(.data); }
    214   ${RELOCATING+ __data_load_end = __data_load_start + SIZEOF(.data); }
    215 
    216   /* Global data not cleared after reset.  */
    217   .noinit ${RELOCATING+ ADDR(.bss) + SIZEOF (.bss)} ${RELOCATING-0}: ${RELOCATING+ AT (ADDR (.noinit))}
    218   {
    219     ${RELOCATING+ PROVIDE (__noinit_start = .) ; }
    220     *(.noinit*)
    221     ${RELOCATING+ PROVIDE (__noinit_end = .) ; }
    222     ${RELOCATING+ _end = . ;  }
    223     ${RELOCATING+ PROVIDE (__heap_start = .) ; }
    224   } ${RELOCATING+ > data}
    225 
    226   .eeprom ${RELOCATING-0}:
    227   {
    228     /* See .data above...  */
    229     KEEP(*(.eeprom*))
    230     ${RELOCATING+ __eeprom_end = . ; }
    231   } ${RELOCATING+ > eeprom}
    232 
    233   .fuse ${RELOCATING-0}:
    234   {
    235     KEEP(*(.fuse))
    236     KEEP(*(.lfuse))
    237     KEEP(*(.hfuse))
    238     KEEP(*(.efuse))
    239   } ${RELOCATING+ > fuse}
    240 
    241   .lock ${RELOCATING-0}:
    242   {
    243     KEEP(*(.lock*))
    244   } ${RELOCATING+ > lock}
    245 
    246   .signature ${RELOCATING-0}:
    247   {
    248     KEEP(*(.signature*))
    249   } ${RELOCATING+ > signature}
    250 
    251   /* Stabs debugging sections.  */
    252   .stab 0 : { *(.stab) }
    253   .stabstr 0 : { *(.stabstr) }
    254   .stab.excl 0 : { *(.stab.excl) }
    255   .stab.exclstr 0 : { *(.stab.exclstr) }
    256   .stab.index 0 : { *(.stab.index) }
    257   .stab.indexstr 0 : { *(.stab.indexstr) }
    258   .comment 0 : { *(.comment) } 
    259   .note.gnu.build-id : { *(.note.gnu.build-id) }
    260 EOF
    261 
    262 . $srcdir/scripttempl/DWARF.sc
    263 
    264 cat <<EOF
    265 }
    266 EOF
    267