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
  86     /* PR 13812: Placing the trampolines here gives a better chance
  87        that they will be in range of the code that uses them.  */
  88     ${RELOCATING+. = ALIGN(2);}
  89     ${CONSTRUCTING+ __trampolines_start = . ; }
  90     /* The jump trampolines for the 16-bit limited relocs will reside here.  */
  91     *(.trampolines)
  92     *(.trampolines*)
  93     ${CONSTRUCTING+ __trampolines_end = . ; }
  94
  95     *(.progmem*)
  96
  97     ${RELOCATING+. = ALIGN(2);}
  98
  99     /* For future tablejump instruction arrays for 3 byte pc devices.
 100        We don't relax jump/call instructions within these sections.  */
 101     *(.jumptables)
 102     *(.jumptables*)
 103
 104     /* For code that needs to reside in the lower 128k progmem.  */
 105     *(.lowtext)
 106     *(.lowtext*)
 107
 108     ${CONSTRUCTING+ __ctors_start = . ; }
 109     ${CONSTRUCTING+ *(.ctors) }
 110     ${CONSTRUCTING+ __ctors_end = . ; }
 111     ${CONSTRUCTING+ __dtors_start = . ; }
 112     ${CONSTRUCTING+ *(.dtors) }
 113     ${CONSTRUCTING+ __dtors_end = . ; }
 114     KEEP(SORT(*)(.ctors))
 115     KEEP(SORT(*)(.dtors))
 116
 117     /* From this point on, we don't bother about wether the insns are
 118        below or above the 16 bits boundary.  */
 119     *(.init0)  /* Start here after reset.  */
 120     KEEP (*(.init0))
 121     *(.init1)
 122     KEEP (*(.init1))
 123     *(.init2)  /* Clear __zero_reg__, set up stack pointer.  */
 124     KEEP (*(.init2))
 125     *(.init3)
 126     KEEP (*(.init3))
 127     *(.init4)  /* Initialize data and BSS.  */
 128     KEEP (*(.init4))
 129     *(.init5)
 130     KEEP (*(.init5))
 131     *(.init6)  /* C++ constructors.  */
 132     KEEP (*(.init6))
 133     *(.init7)
 134     KEEP (*(.init7))
 135     *(.init8)
 136     KEEP (*(.init8))
 137     *(.init9)  /* Call main().  */
 138     KEEP (*(.init9))
 139     *(.text)
 140     ${RELOCATING+. = ALIGN(2);}
 141     *(.text.*)
 142     ${RELOCATING+. = ALIGN(2);}
 143     *(.fini9)  /* _exit() starts here.  */
 144     KEEP (*(.fini9))
 145     *(.fini8)
 146     KEEP (*(.fini8))
 147     *(.fini7)
 148     KEEP (*(.fini7))
 149     *(.fini6)  /* C++ destructors.  */
 150     KEEP (*(.fini6))
 151     *(.fini5)
 152     KEEP (*(.fini5))
 153     *(.fini4)
 154     KEEP (*(.fini4))
 155     *(.fini3)
 156     KEEP (*(.fini3))
 157     *(.fini2)
 158     KEEP (*(.fini2))
 159     *(.fini1)
 160     KEEP (*(.fini1))
 161     *(.fini0)  /* Infinite loop after program termination.  */
 162     KEEP (*(.fini0))
 163     ${RELOCATING+ _etext = . ; }
 164   } ${RELOCATING+ > text}
 165
 166   .data ${RELOCATING-0} : ${RELOCATING+AT (ADDR (.text) + SIZEOF (.text))}
 167   {
 168     ${RELOCATING+ PROVIDE (__data_start = .) ; }
 169     /* --gc-sections will delete empty .data. This leads to wrong start
 170        addresses for subsequent sections because -Tdata= from the command
 171        line will have no effect, see PR13697.  Thus, keep .data  */
 172     KEEP (*(.data))
 173     *(.data*)
 174     *(.rodata)  /* We need to include .rodata here if gcc is used */
 175     *(.rodata*) /* with -fdata-sections.  */
 176     *(.gnu.linkonce.d*)
 177     ${RELOCATING+. = ALIGN(2);}
 178     ${RELOCATING+ _edata = . ; }
 179     ${RELOCATING+ PROVIDE (__data_end = .) ; }
 180   } ${RELOCATING+ > data}
 181
 182   .bss ${RELOCATING-0} :${RELOCATING+ AT (ADDR (.bss))}
 183   {
 184     ${RELOCATING+ PROVIDE (__bss_start = .) ; }
 185     *(.bss)
 186     *(.bss*)
 187     *(COMMON)
 188     ${RELOCATING+ PROVIDE (__bss_end = .) ; }
 189   } ${RELOCATING+ > data}
 190
 191   ${RELOCATING+ __data_load_start = LOADADDR(.data); }
 192   ${RELOCATING+ __data_load_end = __data_load_start + SIZEOF(.data); }
 193
 194   /* Global data not cleared after reset.  */
 195   .noinit ${RELOCATING-0}:
 196   {
 197     ${RELOCATING+ PROVIDE (__noinit_start = .) ; }
 198     *(.noinit*)
 199     ${RELOCATING+ PROVIDE (__noinit_end = .) ; }
 200     ${RELOCATING+ _end = . ;  }
 201     ${RELOCATING+ PROVIDE (__heap_start = .) ; }
 202   } ${RELOCATING+ > data}
 203
 204   .eeprom ${RELOCATING-0}:
 205   {
 206     /* See .data above...  */
 207     KEEP(*(.eeprom*))
 208     ${RELOCATING+ __eeprom_end = . ; }
 209   } ${RELOCATING+ > eeprom}
 210
 211   .fuse ${RELOCATING-0}:
 212   {
 213     KEEP(*(.fuse))
 214     KEEP(*(.lfuse))
 215     KEEP(*(.hfuse))
 216     KEEP(*(.efuse))
 217   } ${RELOCATING+ > fuse}
 218
 219   .lock ${RELOCATING-0}:
 220   {
 221     KEEP(*(.lock*))
 222   } ${RELOCATING+ > lock}
 223
 224   .signature ${RELOCATING-0}:
 225   {
 226     KEEP(*(.signature*))
 227   } ${RELOCATING+ > signature}
 228
 229   /* Stabs debugging sections.  */
 230   .stab 0 : { *(.stab) }
 231   .stabstr 0 : { *(.stabstr) }
 232   .stab.excl 0 : { *(.stab.excl) }
 233   .stab.exclstr 0 : { *(.stab.exclstr) }
 234   .stab.index 0 : { *(.stab.index) }
 235   .stab.indexstr 0 : { *(.stab.indexstr) }
 236   .comment 0 : { *(.comment) }
 237   .note.gnu.build-id : { *(.note.gnu.build-id) }
 238 EOF
 239
 240 . $srcdir/scripttempl/DWARF.sc
 241
 242 cat <<EOF
 243 }
 244 EOF