ld/scripttempl/pru.sc

   1 cat <<EOF
   2 OUTPUT_FORMAT("${OUTPUT_FORMAT}","${OUTPUT_FORMAT}","${OUTPUT_FORMAT}")
   3 OUTPUT_ARCH(${ARCH})
   4
   5 EOF
   6
   7 test -n "${RELOCATING}" && cat <<EOF
   8 /* Allow memory sizes to be overridden from command line.  */
   9 __IMEM_SIZE = DEFINED(__IMEM_SIZE) ? __IMEM_SIZE : $TEXT_LENGTH;
  10 __DMEM_SIZE = DEFINED(__DMEM_SIZE) ? __DMEM_SIZE : $DATA_LENGTH;
  11
  12 MEMORY
  13 {
  14   imem   (x)   : ORIGIN = $TEXT_ORIGIN, LENGTH = __IMEM_SIZE
  15   dmem   (rw!x) : ORIGIN = $DATA_ORIGIN, LENGTH = __DMEM_SIZE
  16 }
  17
  18 __HEAP_SIZE = DEFINED(__HEAP_SIZE) ? __HEAP_SIZE : 32;
  19 __STACK_SIZE = DEFINED(__STACK_SIZE) ? __STACK_SIZE : 512;
  20
  21 PROVIDE (_stack_top = ORIGIN(dmem) + LENGTH(dmem));
  22
  23 ENTRY (_start)
  24
  25 EOF
  26
  27 cat <<EOF
  28 SECTIONS
  29 {
  30   /* Read-only sections, merged into text segment: */
  31   ${TEXT_DYNAMIC+${DYNAMIC}}
  32   .hash        ${RELOCATING-0} : { *(.hash)             }
  33   .dynsym      ${RELOCATING-0} : { *(.dynsym)           }
  34   .dynstr      ${RELOCATING-0} : { *(.dynstr)           }
  35   .gnu.version ${RELOCATING-0} : { *(.gnu.version)      }
  36   .gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d)  }
  37   .gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r)  }
  38
  39   .rel.init    ${RELOCATING-0} : { *(.rel.init)         }
  40   .rela.init   ${RELOCATING-0} : { *(.rela.init)        }
  41   .rel.text    ${RELOCATING-0} :
  42     {
  43       *(.rel.text)
  44       ${RELOCATING+*(.rel.text.*)}
  45       ${RELOCATING+*(.rel.text:*)}
  46       ${RELOCATING+*(.rel.gnu.linkonce.t*)}
  47     }
  48   .rela.text   ${RELOCATING-0} :
  49     {
  50       *(.rela.text)
  51       ${RELOCATING+*(.rela.text.*)}
  52       ${RELOCATING+*(.rela.text:*)}
  53       ${RELOCATING+*(.rela.gnu.linkonce.t*)}
  54     }
  55   .rel.fini    ${RELOCATING-0} : { *(.rel.fini)         }
  56   .rela.fini   ${RELOCATING-0} : { *(.rela.fini)        }
  57   .rel.rodata  ${RELOCATING-0} :
  58     {
  59       *(.rel.rodata)
  60       ${RELOCATING+*(.rel.rodata.*)}
  61       ${RELOCATING+*(.rel.rodata:*)}
  62       ${RELOCATING+*(.rel.gnu.linkonce.r*)}
  63     }
  64   .rela.rodata ${RELOCATING-0} :
  65     {
  66       *(.rela.rodata)
  67       ${RELOCATING+*(.rela.rodata.*)}
  68       ${RELOCATING+*(.rela.rodata:*)}
  69       ${RELOCATING+*(.rela.gnu.linkonce.r*)}
  70     }
  71   .rel.data    ${RELOCATING-0} :
  72     {
  73       *(.rel.data)
  74       ${RELOCATING+*(.rel.data.*)}
  75       ${RELOCATING+*(.rel.data:*)}
  76       ${RELOCATING+*(.rel.gnu.linkonce.d*)}
  77     }
  78   .rela.data   ${RELOCATING-0} :
  79     {
  80       *(.rela.data)
  81       ${RELOCATING+*(.rela.data.*)}
  82       ${RELOCATING+*(.rela.data:*)}
  83       ${RELOCATING+*(.rela.gnu.linkonce.d*)}
  84     }
  85   .rel.init_array       ${RELOCATING-0} : { *(.rel.init_array)  }
  86   .rela.init_array      ${RELOCATING-0} : { *(.rela.init_array) }
  87   .rel.fini_array       ${RELOCATING-0} : { *(.rel.fini_array)  }
  88   .rela.fini_array      ${RELOCATING-0} : { *(.rela.fini_array) }
  89   .rel.got              ${RELOCATING-0} : { *(.rel.got)         }
  90   .rela.got             ${RELOCATING-0} : { *(.rela.got)        }
  91   .rel.bss              ${RELOCATING-0} : { *(.rel.bss)         }
  92   .rela.bss             ${RELOCATING-0} : { *(.rela.bss)        }
  93   .rel.plt              ${RELOCATING-0} : { *(.rel.plt)         }
  94   .rela.plt             ${RELOCATING-0} : { *(.rela.plt)        }
  95
  96   /* Internal text space.  */
  97   .text ${RELOCATING-0} :
  98   {
  99     ${RELOCATING+ _text_start = . ; }
 100
 101     ${RELOCATING+. = ALIGN(4);}
 102
 103     ${RELOCATING+*(.init0)  /* Start here after reset.  */}
 104     ${RELOCATING+KEEP (*(.init0))}
 105
 106     ${RELOCATING+. = ALIGN(4);}
 107     *(.text)
 108     ${RELOCATING+. = ALIGN(4);}
 109     ${RELOCATING+*(.text.*)}
 110     ${RELOCATING+. = ALIGN(4);}
 111     ${RELOCATING+*(.text:*)}
 112     ${RELOCATING+. = ALIGN(4);}
 113     ${RELOCATING+*(.gnu.linkonce.t*)}
 114     ${RELOCATING+. = ALIGN(4);}
 115
 116     ${RELOCATING+ _text_end = . ; }
 117   } ${RELOCATING+ > imem}
 118
 119   .data        ${RELOCATING-0} :
 120   {
 121     /* Optional variable that user is prepared to have NULL address.  */
 122     ${RELOCATING+ *(.data.atzero*)}
 123
 124     /* CRT is prepared for constructor/destructor table to have
 125        a "valid" NULL address.  */
 126     ${CONSTRUCTING+ __init_array_start = . ; }
 127     ${CONSTRUCTING+ KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*)))}
 128     ${CONSTRUCTING+ KEEP (*(.init_array))}
 129     ${CONSTRUCTING+ __init_array_end = . ; }
 130     ${CONSTRUCTING+ __fini_array_start = . ; }
 131     ${CONSTRUCTING+ KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*)))}
 132     ${CONSTRUCTING+ KEEP (*(.fini_array))}
 133     ${CONSTRUCTING+ __fini_array_end = . ; }
 134
 135     ${RELOCATING+/* DATA memory starts at address 0.  So to avoid placing a valid static
 136        variable at the invalid NULL address, we introduce the .data.atzero
 137        section.  If CRT can make some use of it - great.  Otherwise skip a
 138        word.  In all cases .data/.bss sections must start at non-zero.  */
 139     . += (. == 0 ? 4 : 0);}
 140
 141     ${RELOCATING+ PROVIDE (_data_start = .) ; }
 142     *(.data)
 143     ${RELOCATING+ *(.data*)}
 144     ${RELOCATING+ *(.data:*)}
 145     ${RELOCATING+ *(.rodata)  /* We need to include .rodata here if gcc is used.  */}
 146     ${RELOCATING+ *(.rodata.*) /* with -fdata-sections.  */}
 147     ${RELOCATING+ *(.rodata:*)}
 148     ${RELOCATING+*(.gnu.linkonce.d*)}
 149     ${RELOCATING+*(.gnu.linkonce.r*)}
 150     ${RELOCATING+. = ALIGN(4);}
 151     ${RELOCATING+ PROVIDE (_data_end = .) ; }
 152   } ${RELOCATING+ > dmem }
 153
 154   /* Linux remoteproc loader requires the resource_table section
 155      start address to be aligned to 8 bytes.  */
 156   .resource_table ${RELOCATING-0} ${RELOCATING+ ALIGN(8)} :
 157   {
 158     KEEP (*(.resource_table))
 159   } ${RELOCATING+ > dmem}
 160
 161   .bss ${RELOCATING-0} :
 162   {
 163     ${RELOCATING+ PROVIDE (_bss_start = .) ; }
 164     *(.bss)
 165     ${RELOCATING+ *(.bss.*)}
 166     ${RELOCATING+ *(.bss:*)}
 167     ${RELOCATING+*(.gnu.linkonce.b*)}
 168     ${RELOCATING+*(COMMON)}
 169     ${RELOCATING+ PROVIDE (_bss_end = .) ; }
 170   } ${RELOCATING+ > dmem}
 171
 172   /* Global data not cleared after reset.  */
 173   .noinit ${RELOCATING-0} :
 174   {
 175     ${RELOCATING+ PROVIDE (_noinit_start = .) ; }
 176     *(.noinit${RELOCATING+ .noinit.* .gnu.linkonce.n.*})
 177     ${RELOCATING+ PROVIDE (_noinit_end = .) ; }
 178     ${RELOCATING+ PROVIDE (_heap_start = .) ; }
 179     ${RELOCATING+ . += __HEAP_SIZE ; }
 180     ${RELOCATING+/* Stack is not here really.  It will be put at the end of DMEM.
 181        But we take into account its size here, in order to allow
 182        for MEMORY overflow checking during link time.  */}
 183     ${RELOCATING+ . += __STACK_SIZE ; }
 184   } ${RELOCATING+ > dmem}
 185
 186   /* Stabs debugging sections.  */
 187   .stab 0 : { *(.stab) }
 188   .stabstr 0 : { *(.stabstr) }
 189   .stab.excl 0 : { *(.stab.excl) }
 190   .stab.exclstr 0 : { *(.stab.exclstr) }
 191   .stab.index 0 : { *(.stab.index) }
 192   .stab.indexstr 0 : { *(.stab.indexstr) }
 193   .comment 0 : { *(.comment) }
 194   .note.gnu.build-id ${RELOCATING-0} : { *(.note.gnu.build-id) }
 195 EOF
 196
 197 . $srcdir/scripttempl/DWARF.sc
 198
 199 cat <<EOF
 200 }
 201 EOF