path: root/c/src/lib/libbsp/powerpc/qemuppc/startup/linkcmds

OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc",
              "elf32-powerpc")
OUTPUT_ARCH(powerpc:common)
ENTRY(_start)
MEMORY
  {
        RAM       : ORIGIN = 0, LENGTH = 4M
        ROM       : ORIGIN = 0xFFC00000, LENGTH = 4M
        VECTORS   : ORIGIN = 0xFFF00000, LENGTH = 0x20000
        RESET     : ORIGIN = 0xFFFFFFFC, LENGTH = 0x4
  }

RamBase = DEFINED(RamBase) ? RamBase : 0x0;
RamSize = DEFINED(RamSize) ? RamSize : 4M;
HeapSize = DEFINED(HeapSize) ? HeapSize : 0;

bsp_section_align = 32;

SECTIONS
{
  /* Read-only sections, merged into text segment: */
  . = 0xfffc0000;
/*
  .entry_point_section :
  {
  } =0
*/

  .text           :
  {
    *(.entry_point_section)
    *(.text .text.* .gnu.linkonce.t.*)
    *(.eh_frame_hdr*)
    *(.eh_frame*)

    /*
     * Special FreeBSD sysctl sections.
     */
    . = ALIGN (16);
    __start_set_sysctl_set = .;
    *(set_sysctl_*);
    __stop_set_sysctl_set = ABSOLUTE(.);
    *(set_domain_*);
    *(set_pseudo_*);

    /* .gnu.warning sections are handled specially by elf32.em.  */
    *(.gnu.warning)
    . = ALIGN (bsp_section_align);
    __text_end = .;
  } >ROM =0
  .init           :
  {
    KEEP (*(.init))
  } >ROM =0
  .fini           :
  {
    _fini = .;
    KEEP (*(.fini))
  } >ROM =0

  /* Put .ctors and .dtors next to the .got2 section, so that the pointers
     get relocated with -mrelocatable. Also put in the .fixup pointers.
     The current compiler no longer needs this, but keep it around for 2.7.2  */
   PROVIDE (__GOT2_START__ = .);
   PROVIDE (_GOT2_START_ = .);
  .got2		  :  { *(.got2) 	} >ROM =0
  PROVIDE (__GOT2_END__ = .);
  PROVIDE (_GOT2_END_ = .);

  PROVIDE (__CTOR_LIST__ = .);
  .ctors	  : { *(.ctors) 	} >ROM =0
  PROVIDE (__CTOR_END__ = .);

  PROVIDE (__DTOR_LIST__ = .);
  .dtors	  : { *(.dtors) 	} >ROM =0
  PROVIDE (__DTOR_END__ = .);
  .jcr            : { KEEP (*(.jcr))	} > ROM =0

  .tdata : {
    _TLS_Data_begin = .;
    *(.tdata .tdata.* .gnu.linkonce.td.*)
    _TLS_Data_end = .;
  } >ROM =0
  .tbss : {
    _TLS_BSS_begin = .;
    *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon)
    _TLS_BSS_end = .;
  } >ROM =0
  _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin;
  _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin;
  _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin;
  _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin;
  _TLS_Size = _TLS_BSS_end - _TLS_Data_begin;
  _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss));

  .rodata :
  {
    *(.rodata .rodata.* .gnu.linkonce.r.*)
    *(.rodata1)
    . = ALIGN (bsp_section_align);
    __rodata_end = .;
  } >ROM =0

  .vectors :
  {
    . = . + 0x2000; /* skip vector area */
  } >RAM

  __sdata2_load = __rodata_end;
  .sdata2 : AT (__sdata2_load)
  {
    __sdata2_start = .;
    PROVIDE (_SDA2_BASE_ = 32768);
    *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
    . = ALIGN (bsp_section_align);
    __sdata2_end = .;
  } >RAM
  .sbss2 :
  {
    __sbss2_start = .;
    *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*)
    . = ALIGN (bsp_section_align);
    __sbss2_end = .;
  } >RAM
  __data_load = __sdata2_load + SIZEOF (.sdata2);
  .data : AT(__data_load)
  {
    __data_start = .;
    *(.data .data.* .gnu.linkonce.d.*)
    KEEP (*(.gnu.linkonce.d.*personality*))
    SORT(CONSTRUCTORS)
    *(.data1)
    . = ALIGN (bsp_section_align);
    __data_end = .;
  } >RAM
  __sdata_load = __data_load + SIZEOF (.data);
  .sdata : AT(__sdata_load) {
    __sdata_start = .;
    PROVIDE (_SDA_BASE_ = 32768);
    *(.sdata .sdata.* .gnu.linkonce.s.*)

    . = ALIGN (bsp_section_align);

    _edata = .;
    __sdata_end = .;
    PROVIDE (edata = .);

    /*
     * BSP: End of data section
     */
    bsp_section_data_end = .;
  } > RAM

  PROVIDE (__EXCEPT_START__ = .);
  .gcc_except_table   : { *(.gcc_except_table*) } >RAM
  PROVIDE (__EXCEPT_END__ = .);

  .sbss :
  {
    __sbss_start = .;
    *(.dynsbss)
    *(.sbss .sbss.* .gnu.linkonce.sb.*)
    *(.scommon)
    . = ALIGN (bsp_section_align);
    __sbss_end = .;
  } >RAM
  .bss  :
  {
   __bss_start = .;
   *(.dynbss)
   *(.bss .bss.* .gnu.linkonce.b.*)
   *(COMMON)
    . = ALIGN (bsp_section_align);
   __bss_end = .;

   /* Allocate the main stack area.  Make sure it starts 16bytes aligned
      to accommodate any possible program expectation.  */
   _stack = ALIGN(16) + 0x1000;
   _end = _stack;
  } >RAM

  /*
   * BSP: Interrupt stack
   */
  bsp_interrupt_stack_start = _end;
  bsp_interrupt_stack_end = bsp_interrupt_stack_start + 32k;
  bsp_interrupt_stack_size = bsp_interrupt_stack_end - bsp_interrupt_stack_start;

  bsp_work_area_start = bsp_interrupt_stack_end;
  WorkAreaBase = bsp_work_area_start;
   . = RamBase + RamSize;

  .reset :
  {
   KEEP(*(.reset))
  } >RESET

  /* DWARF 1.1 and DWARF 2 */
  .debug_aranges  0 : { *(.debug_aranges) }
  .debug_pubnames 0 : { *(.debug_pubnames) }
  /* DWARF 2 */
  .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
  .debug_abbrev   0 : { *(.debug_abbrev) }
  .debug_line     0 : { *(.debug_line) }
  .debug_frame    0 : { *(.debug_frame) }
  .debug_str      0 : { *(.debug_str) }
  .debug_loc      0 : { *(.debug_loc) }
  .debug_macinfo  0 : { *(.debug_macinfo) }
  /* SGI/MIPS DWARF 2 extensions */
  .debug_weaknames 0 : { *(.debug_weaknames) }
  .debug_funcnames 0 : { *(.debug_funcnames) }
  .debug_typenames 0 : { *(.debug_typenames) }
  .debug_varnames  0 : { *(.debug_varnames) }
  /DISCARD/ : { *(.note.GNU-stack) }
}