ld/scripttempl/elf32msp430.sc

   1 #!/bin/sh
   2
   3 HEAP_SECTION_MSP430=" "
   4 HEAP_MEMORY_MSP430=" "
   5
   6 if test ${GOT_HEAP_MSP-0} -ne 0
   7 then
   8 HEAP_SECTION_MSP430=".heap ${RELOCATING-0} :
   9   {
  10     ${RELOCATING+ PROVIDE (__heap_data_start = .) ; }
  11     *(.heap*)
  12     ${RELOCATING+ PROVIDE (_heap_data_end = .) ; }
  13     ${RELOCATING+. = ALIGN(2);}
  14     ${RELOCATING+ PROVIDE (__heap_bottom = .) ; }
  15     ${RELOCATING+ PROVIDE (__heap_top = ${HEAP_START} + ${HEAP_LENGTH}) ; }
  16   } ${RELOCATING+ > heap}"
  17 HEAP_MEMORY_MSP430="heap(rwx)           : ORIGIN = $HEAP_START, LENGTH = $HEAP_LENGTH"
  18 fi
  19
  20
  21 cat <<EOF
  22 OUTPUT_FORMAT("${OUTPUT_FORMAT}","${OUTPUT_FORMAT}","${OUTPUT_FORMAT}")
  23 OUTPUT_ARCH(${ARCH})
  24
  25 MEMORY
  26 {
  27   text   (rx)           : ORIGIN = $ROM_START,  LENGTH = $ROM_SIZE
  28   data   (rwx)          : ORIGIN = $RAM_START,  LENGTH = $RAM_SIZE
  29   vectors (rw)          : ORIGIN = 0xffe0,      LENGTH = 0x20
  30   bootloader(rx)        : ORIGIN = 0x0c00,      LENGTH = 1K
  31   infomem(rx)           : ORIGIN = 0x1000,      LENGTH = 256
  32   infomemnobits(rx)     : ORIGIN = 0x1000,      LENGTH = 256
  33   ${HEAP_MEMORY_MSP430}
  34 }
  35
  36 SECTIONS
  37 {
  38   /* Bootloader.  */
  39   .bootloader ${RELOCATING-0} :
  40   {
  41     ${RELOCATING+ PROVIDE (__boot_start = .) ; }
  42     *(.bootloader)
  43     ${RELOCATING+. = ALIGN(2);}
  44     *(.bootloader.*)
  45   } ${RELOCATING+ > bootloader}
  46
  47   /* Information memory.  */
  48   .infomem ${RELOCATING-0} :
  49   {
  50     *(.infomem)
  51     ${RELOCATING+. = ALIGN(2);}
  52     *(.infomem.*)
  53   } ${RELOCATING+ > infomem}
  54
  55   /* Information memory (not loaded into MPU).  */
  56   .infomemnobits ${RELOCATING-0} :
  57   {
  58     *(.infomemnobits)
  59     ${RELOCATING+. = ALIGN(2);}
  60     *(.infomemnobits.*)
  61   } ${RELOCATING+ > infomemnobits}
  62
  63   /* Read-only sections, merged into text segment.  */
  64   ${TEXT_DYNAMIC+${DYNAMIC}}
  65   .hash        ${RELOCATING-0} : { *(.hash)             }
  66   .dynsym      ${RELOCATING-0} : { *(.dynsym)           }
  67   .dynstr      ${RELOCATING-0} : { *(.dynstr)           }
  68   .gnu.version ${RELOCATING-0} : { *(.gnu.version)      }
  69   .gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d)  }
  70   .gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r)  }
  71
  72   .rel.init    ${RELOCATING-0} : { *(.rel.init) }
  73   .rela.init   ${RELOCATING-0} : { *(.rela.init) }
  74   .rel.text    ${RELOCATING-0} :
  75     {
  76       *(.rel.text)
  77       ${RELOCATING+*(.rel.text.*)}
  78       ${RELOCATING+*(.rel.gnu.linkonce.t*)}
  79     }
  80   .rela.text   ${RELOCATING-0} :
  81     {
  82       *(.rela.text)
  83       ${RELOCATING+*(.rela.text.*)}
  84       ${RELOCATING+*(.rela.gnu.linkonce.t*)}
  85     }
  86   .rel.fini    ${RELOCATING-0} : { *(.rel.fini) }
  87   .rela.fini   ${RELOCATING-0} : { *(.rela.fini) }
  88   .rel.rodata  ${RELOCATING-0} :
  89     {
  90       *(.rel.rodata)
  91       ${RELOCATING+*(.rel.rodata.*)}
  92       ${RELOCATING+*(.rel.gnu.linkonce.r*)}
  93     }
  94   .rela.rodata ${RELOCATING-0} :
  95     {
  96       *(.rela.rodata)
  97       ${RELOCATING+*(.rela.rodata.*)}
  98       ${RELOCATING+*(.rela.gnu.linkonce.r*)}
  99     }
 100   .rel.data    ${RELOCATING-0} :
 101     {
 102       *(.rel.data)
 103       ${RELOCATING+*(.rel.data.*)}
 104       ${RELOCATING+*(.rel.gnu.linkonce.d*)}
 105     }
 106   .rela.data   ${RELOCATING-0} :
 107     {
 108       *(.rela.data)
 109       ${RELOCATING+*(.rela.data.*)}
 110       ${RELOCATING+*(.rela.gnu.linkonce.d*)}
 111     }
 112   .rel.ctors   ${RELOCATING-0} : { *(.rel.ctors)        }
 113   .rela.ctors  ${RELOCATING-0} : { *(.rela.ctors)       }
 114   .rel.dtors   ${RELOCATING-0} : { *(.rel.dtors)        }
 115   .rela.dtors  ${RELOCATING-0} : { *(.rela.dtors)       }
 116   .rel.got     ${RELOCATING-0} : { *(.rel.got)          }
 117   .rela.got    ${RELOCATING-0} : { *(.rela.got)         }
 118   .rel.bss     ${RELOCATING-0} : { *(.rel.bss)          }
 119   .rela.bss    ${RELOCATING-0} : { *(.rela.bss)         }
 120   .rel.plt     ${RELOCATING-0} : { *(.rel.plt)          }
 121   .rela.plt    ${RELOCATING-0} : { *(.rela.plt)         }
 122
 123   /* Internal text space.  */
 124   .text :
 125   {
 126     ${RELOCATING+. = ALIGN(2);}
 127     *(SORT_NONE(.init))
 128     *(SORT_NONE(.init0))  /* Start here after reset.  */
 129     *(SORT_NONE(.init1))
 130     *(SORT_NONE(.init2))  /* Copy data loop  */
 131     *(SORT_NONE(.init3))
 132     *(SORT_NONE(.init4))  /* Clear bss  */
 133     *(SORT_NONE(.init5))
 134     *(SORT_NONE(.init6))  /* C++ constructors.  */
 135     *(SORT_NONE(.init7))
 136     *(SORT_NONE(.init8))
 137     *(SORT_NONE(.init9))  /* Call main().  */
 138
 139     ${CONSTRUCTING+ __ctors_start = . ; }
 140     ${CONSTRUCTING+ *(.ctors) }
 141     ${CONSTRUCTING+ __ctors_end = . ; }
 142     ${CONSTRUCTING+ __dtors_start = . ; }
 143     ${CONSTRUCTING+ *(.dtors) }
 144     ${CONSTRUCTING+ __dtors_end = . ; }
 145
 146     ${RELOCATING+. = ALIGN(2);}
 147     *(.text)
 148     ${RELOCATING+. = ALIGN(2);}
 149     *(.text.*)
 150     ${RELOCATING+. = ALIGN(2);}
 151     *(.text:*)
 152
 153     ${RELOCATING+. = ALIGN(2);}
 154     *(SORT_NONE(.fini9))
 155     *(SORT_NONE(.fini8))
 156     *(SORT_NONE(.fini7))
 157     *(SORT_NONE(.fini6))  /* C++ destructors.  */
 158     *(SORT_NONE(.fini5))
 159     *(SORT_NONE(.fini4))
 160     *(SORT_NONE(.fini3))
 161     *(SORT_NONE(.fini2))
 162     *(SORT_NONE(.fini1))
 163     *(SORT_NONE(.fini0))  /* Infinite loop after program termination.  */
 164     *(SORT_NONE(.fini))
 165
 166     _etext = .;
 167   } ${RELOCATING+ > text}
 168
 169   .rodata :
 170   {
 171     . = ALIGN(2);
 172     *(.plt)
 173     *(.rodata .rodata.* .gnu.linkonce.r.* .const .const:*)
 174     *(.rodata1)
 175
 176     *(.eh_frame_hdr)
 177     KEEP (*(.eh_frame))
 178
 179     KEEP (*(.gcc_except_table)) *(.gcc_except_table.*)
 180
 181     PROVIDE (__preinit_array_start = .);
 182     KEEP (*(.preinit_array))
 183     PROVIDE (__preinit_array_end = .);
 184
 185     PROVIDE (__init_array_start = .);
 186     KEEP (*(SORT(.init_array.*)))
 187     KEEP (*(.init_array))
 188     PROVIDE (__init_array_end = .);
 189
 190     PROVIDE (__fini_array_start = .);
 191     KEEP (*(.fini_array))
 192     KEEP (*(SORT(.fini_array.*)))
 193     PROVIDE (__fini_array_end = .);
 194     LONG(0); /* Sentinel.  */
 195
 196     /* gcc uses crtbegin.o to find the start of the constructors, so
 197        we make sure it is first.  Because this is a wildcard, it
 198        doesn't matter if the user does not actually link against
 199        crtbegin.o; the linker won't look for a file to match a
 200        wildcard.  The wildcard also means that it doesn't matter which
 201        directory crtbegin.o is in.  */
 202     KEEP (*crtbegin*.o(.ctors))
 203
 204     /* We don't want to include the .ctor section from from the
 205        crtend.o file until after the sorted ctors.  The .ctor section
 206        from the crtend file contains the end of ctors marker and it
 207        must be last */
 208     KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors))
 209     KEEP (*(SORT(.ctors.*)))
 210     KEEP (*(.ctors))
 211
 212     KEEP (*crtbegin*.o(.dtors))
 213     KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
 214     KEEP (*(SORT(.dtors.*)))
 215     KEEP (*(.dtors))
 216   } ${RELOCATING+ > text}
 217
 218   .vectors ${RELOCATING-0}:
 219   {
 220     ${RELOCATING+ PROVIDE (__vectors_start = .) ; }
 221     *(.vectors*)
 222     ${RELOCATING+ _vectors_end = . ; }
 223   } ${RELOCATING+ > vectors}
 224
 225   .data ${RELOCATING-0} :
 226   {
 227     ${RELOCATING+ PROVIDE (__data_start = .) ; }
 228     ${RELOCATING+ PROVIDE (__datastart = .) ; }
 229     ${RELOCATING+. = ALIGN(2);}
 230
 231     KEEP (*(.jcr))
 232     *(.data.rel.ro.local) *(.data.rel.ro*)
 233     *(.dynamic)
 234
 235     *(.data)
 236     *(.data.*)
 237     *(.gnu.linkonce.d*)
 238     KEEP (*(.gnu.linkonce.d.*personality*))
 239     *(.data1)
 240     *(.got.plt) *(.got)
 241     ${RELOCATING+. = ALIGN(2);}
 242     *(.sdata .sdata.* .gnu.linkonce.s.*)
 243     ${RELOCATING+. = ALIGN(2);}
 244     ${RELOCATING+ _edata = . ; }
 245   } ${RELOCATING+ > data ${RELOCATING+AT> text}}
 246
 247   .bss ${RELOCATING+ SIZEOF(.data) + ADDR(.data)} :
 248   {
 249     ${RELOCATING+. = ALIGN(2);}
 250     ${RELOCATING+ PROVIDE (__bss_start = .) ; }
 251     *(.bss)
 252     *(COMMON)
 253     ${RELOCATING+ PROVIDE (__bss_end = .) ; }
 254     ${RELOCATING+ _end = . ;  }
 255   } ${RELOCATING+ > data}
 256
 257   .noinit ${RELOCATING+ SIZEOF(.bss) + ADDR(.bss)} :
 258   {
 259     ${RELOCATING+ PROVIDE (__noinit_start = .) ; }
 260     *(.noinit)
 261     *(COMMON)
 262     ${RELOCATING+ PROVIDE (__noinit_end = .) ; }
 263     ${RELOCATING+ _end = . ;  }
 264   } ${RELOCATING+ > data}
 265
 266   ${HEAP_SECTION_MSP430}
 267
 268   /* Stabs for profiling information*/
 269   .profiler 0 : { *(.profiler) }
 270
 271   /* Stabs debugging sections.  */
 272   .stab 0 : { *(.stab) }
 273   .stabstr 0 : { *(.stabstr) }
 274   .stab.excl 0 : { *(.stab.excl) }
 275   .stab.exclstr 0 : { *(.stab.exclstr) }
 276   .stab.index 0 : { *(.stab.index) }
 277   .stab.indexstr 0 : { *(.stab.indexstr) }
 278   .comment 0 : { *(.comment) }
 279 EOF
 280
 281 source $srcdir/scripttempl/DWARF.sc
 282
 283 cat <<EOF
 284   .MP430.attributes 0 :
 285   {
 286     KEEP (*(.MSP430.attributes))
 287     KEEP (*(.gnu.attributes))
 288     KEEP (*(__TI_build_attributes))
 289   }
 290
 291   PROVIDE (__stack = ${STACK}) ;
 292   PROVIDE (__data_start_rom = _etext) ;
 293   PROVIDE (__data_end_rom   = _etext + SIZEOF (.data)) ;
 294   PROVIDE (__noinit_start_rom = _etext + SIZEOF (.data)) ;
 295   PROVIDE (__noinit_end_rom = _etext + SIZEOF (.data) + SIZEOF (.noinit)) ;
 296   PROVIDE (__subdevice_has_heap = ${GOT_HEAP_MSP-0}) ;
 297 }
 298 EOF