link.rom

IXP425的BSP代码

/* link.ROM - diab linker command file for VxWorks: ROM */

/* Copyright 1984-2001 Wind River Systems, Inc. */

/* This file was automatically generated using tool/common/ldscripts. */

/*
modification history
--------------------
01l,29may02,tpw  Diab: pad out sections, needed for MIPS byteswap. SPR 78076
01k,24apr02,sn   GNU: SPR 75835 - added support for relocatable script link.OUT
01j,19apr02,tpw  Diab: provide _etext for ColdFire. SPR 75122
01i,06feb02,sn   Both: place .got2 to handle tramp.o (_x_gnu_tramp.o).
01h,25jan02,tpw  GNU: give debug sections explicit 0 addresses.
01g,14jan02,tpw  Diab: place .eh_frame data, in case of insistent GNU objects.
01f,14dec01,tpw  Diab: provide both underscore options of wrs_kernel* here too.
01e,05dec01,tpw  Both: Add .boot and .reset section support, for PPC 4xx series
                 and Book E.
01d,05dec01,tpw  Diab: Add .frame_info section to text region.
01c,03dec01,jab  Diab: replaced LOAD() with AT()
01b,14nov01,tpw  ALL: Correct some more bootrom/kernel issues.
01b,06nov01,tpw  GNU: Add /DISCARD/ directive to discard uninteresting sections
01a,01nov01,tpw  gnu script written
01a,29oct01,jab  diab script written
*/

SECTIONS {
  GROUP BIND(_VX_START_TEXT) : {
    .text (TEXT) : {
      wrs_kernel_text_start = .; _wrs_kernel_text_start = .;
      *(.text) *(.rdata) *(.rodata)
      *(.init) *(.fini)
      *(.frame_info)
      *(.sdata2)
      . = ((. + 3) & ~3);
    }
    . = ((. + 3) & ~3);
    etext = .; _etext = .;
    wrs_kernel_text_end = .; _wrs_kernel_text_end = .;
  }
  GROUP BIND(_VX_START_DATA) : {
    .data (DATA) AT(etext) : {
      wrs_kernel_data_start = .; _wrs_kernel_data_start = .;
      *(.data)
      *(.eh_frame)	/* Some GNU objects insist on having .eh_frame data. */
      *(.ctors)
      *(.dtors)
      /* set gp for MIPS startup code */
      _gp = ((. + 15) & ~15) + 0x7ff0;
      *(.got2)
      *(.sdata)
      . = ((. + 3) & ~3);
    }
    . = ((. + 3) & ~3);
    edata = .; _edata = .;
    wrs_kernel_data_end = .; _wrs_kernel_data_end = .;
    .bss (BSS) : {
      wrs_kernel_bss_start = .; _wrs_kernel_bss_start = .;
      *(.sbss)
      *(.bss)
      . = ((. + 3) & ~3);
    }
    . = ((. + 3) & ~3);
    end = .; _end = .;
    wrs_kernel_bss_end = .; _wrs_kernel_bss_end = .;
  }
}