ld/scripttempl/avr.sc

   1 cat <<EOF
   2 OUTPUT_FORMAT("${OUTPUT_FORMAT}","${OUTPUT_FORMAT}","${OUTPUT_FORMAT}")
   3 OUTPUT_ARCH(${ARCH})
   4
   5 MEMORY
   6 {
   7   text   (rx)   : ORIGIN = 0, LENGTH = $TEXT_LENGTH
   8   data   (rw!x) : ORIGIN = $DATA_ORIGIN, LENGTH = $DATA_LENGTH
   9   eeprom (rw!x) : ORIGIN = 0x810000, LENGTH = 64K
  10   fuse      (rw!x) : ORIGIN = 0x820000, LENGTH = 1K
  11   lock      (rw!x) : ORIGIN = 0x830000, LENGTH = 1K
  12   signature (rw!x) : ORIGIN = 0x840000, LENGTH = 1K
  13 }
  14
  15 SECTIONS
  16 {
  17   /* Read-only sections, merged into text segment: */
  18   ${TEXT_DYNAMIC+${DYNAMIC}}
  19   .hash        ${RELOCATING-0} : { *(.hash)             }
  20   .dynsym      ${RELOCATING-0} : { *(.dynsym)           }
  21   .dynstr      ${RELOCATING-0} : { *(.dynstr)           }
  22   .gnu.version ${RELOCATING-0} : { *(.gnu.version)      }
  23   .gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d)  }
  24   .gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r)  }
  25
  26   .rel.init    ${RELOCATING-0} : { *(.rel.init)         }
  27   .rela.init   ${RELOCATING-0} : { *(.rela.init)        }
  28   .rel.text    ${RELOCATING-0} :
  29     {
  30       *(.rel.text)
  31       ${RELOCATING+*(.rel.text.*)}
  32       ${RELOCATING+*(.rel.gnu.linkonce.t*)}
  33     }
  34   .rela.text   ${RELOCATING-0} :
  35     {
  36       *(.rela.text)
  37       ${RELOCATING+*(.rela.text.*)}
  38       ${RELOCATING+*(.rela.gnu.linkonce.t*)}
  39     }
  40   .rel.fini    ${RELOCATING-0} : { *(.rel.fini)         }
  41   .rela.fini   ${RELOCATING-0} : { *(.rela.fini)        }
  42   .rel.rodata  ${RELOCATING-0} :
  43     {
  44       *(.rel.rodata)
  45       ${RELOCATING+*(.rel.rodata.*)}
  46       ${RELOCATING+*(.rel.gnu.linkonce.r*)}
  47     }
  48   .rela.rodata ${RELOCATING-0} :
  49     {
  50       *(.rela.rodata)
  51       ${RELOCATING+*(.rela.rodata.*)}
  52       ${RELOCATING+*(.rela.gnu.linkonce.r*)}
  53     }
  54   .rel.data    ${RELOCATING-0} :
  55     {
  56       *(.rel.data)
  57       ${RELOCATING+*(.rel.data.*)}
  58       ${RELOCATING+*(.rel.gnu.linkonce.d*)}
  59     }
  60   .rela.data   ${RELOCATING-0} :
  61     {
  62       *(.rela.data)
  63       ${RELOCATING+*(.rela.data.*)}
  64       ${RELOCATING+*(.rela.gnu.linkonce.d*)}
  65     }
  66   .rel.ctors   ${RELOCATING-0} : { *(.rel.ctors)        }
  67   .rela.ctors  ${RELOCATING-0} : { *(.rela.ctors)       }
  68   .rel.dtors   ${RELOCATING-0} : { *(.rel.dtors)        }
  69   .rela.dtors  ${RELOCATING-0} : { *(.rela.dtors)       }
  70   .rel.got     ${RELOCATING-0} : { *(.rel.got)          }
  71   .rela.got    ${RELOCATING-0} : { *(.rela.got)         }
  72   .rel.bss     ${RELOCATING-0} : { *(.rel.bss)          }
  73   .rela.bss    ${RELOCATING-0} : { *(.rela.bss)         }
  74   .rel.plt     ${RELOCATING-0} : { *(.rel.plt)          }
  75   .rela.plt    ${RELOCATING-0} : { *(.rela.plt)         }
  76
  77   /* Internal text space or external memory.  */
  78   .text ${RELOCATING-0} :
  79   {
  80     *(.vectors)
  81     KEEP(*(.vectors))
  82
  83     /* For data that needs to reside in the lower 64k of progmem.  */
  84     *(.progmem.gcc*)
  85     *(.progmem*)
  86     ${RELOCATING+. = ALIGN(2);}
  87
  88     ${CONSTRUCTING+ __trampolines_start = . ; }
  89     /* The jump trampolines for the 16-bit limited relocs will reside here.  */
  90     *(.trampolines)
  91     *(.trampolines*)
  92     ${CONSTRUCTING+ __trampolines_end = . ; }
  93
  94     /* For future tablejump instruction arrays for 3 byte pc devices.
  95        We don't relax jump/call instructions within these sections.  */
  96     *(.jumptables)
  97     *(.jumptables*)
  98
  99     /* For code that needs to reside in the lower 128k progmem.  */
 100     *(.lowtext)
 101     *(.lowtext*)
 102
 103     ${CONSTRUCTING+ __ctors_start = . ; }
 104     ${CONSTRUCTING+ *(.ctors) }
 105     ${CONSTRUCTING+ __ctors_end = . ; }
 106     ${CONSTRUCTING+ __dtors_start = . ; }
 107     ${CONSTRUCTING+ *(.dtors) }
 108     ${CONSTRUCTING+ __dtors_end = . ; }
 109     KEEP(SORT(*)(.ctors))
 110     KEEP(SORT(*)(.dtors))
 111
 112     /* From this point on, we don't bother about wether the insns are
 113        below or above the 16 bits boundary.  */
 114     *(.init0)  /* Start here after reset.  */
 115     KEEP (*(.init0))
 116     *(.init1)
 117     KEEP (*(.init1))
 118     *(.init2)  /* Clear __zero_reg__, set up stack pointer.  */
 119     KEEP (*(.init2))
 120     *(.init3)
 121     KEEP (*(.init3))
 122     *(.init4)  /* Initialize data and BSS.  */
 123     KEEP (*(.init4))
 124     *(.init5)
 125     KEEP (*(.init5))
 126     *(.init6)  /* C++ constructors.  */
 127     KEEP (*(.init6))
 128     *(.init7)
 129     KEEP (*(.init7))
 130     *(.init8)
 131     KEEP (*(.init8))
 132     *(.init9)  /* Call main().  */
 133     KEEP (*(.init9))
 134     *(.text)
 135     ${RELOCATING+. = ALIGN(2);}
 136     *(.text.*)
 137     ${RELOCATING+. = ALIGN(2);}
 138     *(.fini9)  /* _exit() starts here.  */
 139     KEEP (*(.fini9))
 140     *(.fini8)
 141     KEEP (*(.fini8))
 142     *(.fini7)
 143     KEEP (*(.fini7))
 144     *(.fini6)  /* C++ destructors.  */
 145     KEEP (*(.fini6))
 146     *(.fini5)
 147     KEEP (*(.fini5))
 148     *(.fini4)
 149     KEEP (*(.fini4))
 150     *(.fini3)
 151     KEEP (*(.fini3))
 152     *(.fini2)
 153     KEEP (*(.fini2))
 154     *(.fini1)
 155     KEEP (*(.fini1))
 156     *(.fini0)  /* Infinite loop after program termination.  */
 157     KEEP (*(.fini0))
 158     ${RELOCATING+ _etext = . ; }
 159   } ${RELOCATING+ > text}
 160
 161   .data ${RELOCATING-0} : ${RELOCATING+AT (ADDR (.text) + SIZEOF (.text))}
 162   {
 163     ${RELOCATING+ PROVIDE (__data_start = .) ; }
 164     /* --gc-sections will delete empty .data. This leads to wrong start
 165        addresses for subsequent sections because -Tdata= from the command
 166        line will have no effect, see PR13697.  Thus, keep .data  */
 167     KEEP (*(.data))
 168     *(.data*)
 169     *(.rodata)  /* We need to include .rodata here if gcc is used */
 170     *(.rodata*) /* with -fdata-sections.  */
 171     *(.gnu.linkonce.d*)
 172     ${RELOCATING+. = ALIGN(2);}
 173     ${RELOCATING+ _edata = . ; }
 174     ${RELOCATING+ PROVIDE (__data_end = .) ; }
 175   } ${RELOCATING+ > data}
 176
 177   .bss ${RELOCATING-0} :${RELOCATING+ AT (ADDR (.bss))}
 178   {
 179     ${RELOCATING+ PROVIDE (__bss_start = .) ; }
 180     *(.bss)
 181     *(.bss*)
 182     *(COMMON)
 183     ${RELOCATING+ PROVIDE (__bss_end = .) ; }
 184   } ${RELOCATING+ > data}
 185
 186   ${RELOCATING+ __data_load_start = LOADADDR(.data); }
 187   ${RELOCATING+ __data_load_end = __data_load_start + SIZEOF(.data); }
 188
 189   /* Global data not cleared after reset.  */
 190   .noinit ${RELOCATING-0}:
 191   {
 192     ${RELOCATING+ PROVIDE (__noinit_start = .) ; }
 193     *(.noinit*)
 194     ${RELOCATING+ PROVIDE (__noinit_end = .) ; }
 195     ${RELOCATING+ _end = . ;  }
 196     ${RELOCATING+ PROVIDE (__heap_start = .) ; }
 197   } ${RELOCATING+ > data}
 198
 199   .eeprom ${RELOCATING-0}:
 200   {
 201     /* See .data above...  */
 202     KEEP(*(.eeprom*))
 203     ${RELOCATING+ __eeprom_end = . ; }
 204   } ${RELOCATING+ > eeprom}
 205
 206   .fuse ${RELOCATING-0}:
 207   {
 208     KEEP(*(.fuse))
 209     KEEP(*(.lfuse))
 210     KEEP(*(.hfuse))
 211     KEEP(*(.efuse))
 212   } ${RELOCATING+ > fuse}
 213
 214   .lock ${RELOCATING-0}:
 215   {
 216     KEEP(*(.lock*))
 217   } ${RELOCATING+ > lock}
 218
 219   .signature ${RELOCATING-0}:
 220   {
 221     KEEP(*(.signature*))
 222   } ${RELOCATING+ > signature}
 223
 224   /* Stabs debugging sections.  */
 225   .stab 0 : { *(.stab) }
 226   .stabstr 0 : { *(.stabstr) }
 227   .stab.excl 0 : { *(.stab.excl) }
 228   .stab.exclstr 0 : { *(.stab.exclstr) }
 229   .stab.index 0 : { *(.stab.index) }
 230   .stab.indexstr 0 : { *(.stab.indexstr) }
 231   .comment 0 : { *(.comment) }
 232
 233   /* DWARF debug sections.
 234      Symbols in the DWARF debugging sections are relative to the beginning
 235      of the section so we begin them at 0.  */
 236
 237   /* DWARF 1 */
 238   .debug          0 : { *(.debug) }
 239   .line           0 : { *(.line) }
 240
 241   /* GNU DWARF 1 extensions */
 242   .debug_srcinfo  0 : { *(.debug_srcinfo) }
 243   .debug_sfnames  0 : { *(.debug_sfnames) }
 244
 245   /* DWARF 1.1 and DWARF 2 */
 246   .debug_aranges  0 : { *(.debug_aranges) }
 247   .debug_pubnames 0 : { *(.debug_pubnames) }
 248
 249   /* DWARF 2 */
 250   .debug_info     0 : { *(.debug_info) *(.gnu.linkonce.wi.*) }
 251   .debug_abbrev   0 : { *(.debug_abbrev) }
 252   .debug_line     0 : { *(.debug_line) }
 253   .debug_frame    0 : { *(.debug_frame) }
 254   .debug_str      0 : { *(.debug_str) }
 255   .debug_loc      0 : { *(.debug_loc) }
 256   .debug_macinfo  0 : { *(.debug_macinfo) }
 257
 258   /* DWARF 3 */
 259   .debug_pubtypes 0 : { *(.debug_pubtypes) }
 260   .debug_ranges   0 : { *(.debug_ranges) }
 261
 262   /* DWARF Extension.  */
 263   .debug_macro    0 : { *(.debug_macro) }
 264 }
 265 EOF
 266