//===========================================================================
//
// MLT linker script for MIPS64
//
//===========================================================================
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
//
// eCos is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 or (at your option) any later version.
//
// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License along
// with eCos; if not, write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
//
// As a special exception, if other files instantiate templates or use macros
// or inline functions from this file, or you compile this file and link it
// with other works to produce a work based on this file, this file does not
// by itself cause the resulting work to be covered by the GNU General Public
// License. However the source code for this file must still be made available
// in accordance with section (3) of the GNU General Public License.
//
// This exception does not invalidate any other reasons why a work based on
// this file might be covered by the GNU General Public License.
//
// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
// at http://sources.redhat.com/ecos/ecos-license
// -------------------------------------------
//####ECOSGPLCOPYRIGHTEND####
//===========================================================================

#include <pkgconf/system.h>

OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips",
              "elf32-littlemips")
/* The preprocessor defines mips, but we know we're mips :-) */
#undef mips
OUTPUT_ARCH(mips:isa64)

STARTUP(vectors.o)
ENTRY(reset_vector)
#ifdef EXTRAS
INPUT(extras.o)
#endif
GROUP(libtarget.a libgcc.a)

/* FIXME: The MLT should pass in the required alignment since it must be
 * the same as the VMA's alignment. As a result of this bug, all the MIPS64
 * ROM mlt files have alignment 8, when some should have alignment 4
 * (902557-CR)
 */
#define ALIGN_LMA 0x40
#define FOLLOWING(_section_) AT ((LOADADDR (_section_) + SIZEOF (_section_) + ALIGN_LMA - 1) & ~ (ALIGN_LMA - 1))
#define LMA_EQ_VMA
#define FORCE_OUTPUT . = .

#define SECTIONS_BEGIN

#if defined(CYG_HAL_STARTUP_RAM)

/* this version for RAM startup */
#define SECTION_rom_vectors(_region_, _vma_, _lma_) \
    .rom_vectors _vma_ : _lma_ \
    { KEEP (*(.utlb_vector)) \
    . = ALIGN(0x80); KEEP(*(.other_vector)) \
        /* debug and reset vector not used in RAM version */ \
        KEEP(*(.debug_vector)) \
        KEEP (*(.reset_vector)) } \
    > _region_

#elif defined(CYG_HAL_STARTUP_ROM)

/* this version for ROM startup */
#define SECTION_rom_vectors(_region_, _vma_, _lma_) \
    .rom_vectors _vma_ : _lma_ \
    { KEEP (*(.reset_vector)) \
    . = ALIGN(0x200); KEEP (*(.utlb_vector)) \
    . = . + 0x100; \
    . = ALIGN(0x80); KEEP(*(.other_vector)) \
    . = . + 0x80; \
    . = ALIGN(0x80); KEEP(*(.debug_vector)) } \
    > _region_

#endif /* ROM startup version of ROM vectors */

#define SECTION_ROMISC(_region_, _vma_, _lma_)                                 \
  .interp _vma_  : _lma_ { *(.interp)                            } > _region_  \
  .hash          : FOLLOWING(.interp)        { *(.hash)          } > _region_  \
  .dynsym        : FOLLOWING(.hash)          { *(.dynsym)        } > _region_  \
  .dynstr        : FOLLOWING(.dynsym)        { *(.dynstr)        } > _region_  \
  .gnu.version   : FOLLOWING(.dynstr)        { *(.gnu.version)   } > _region_  \
  .gnu.version_d : FOLLOWING(.gnu.version)   { *(.gnu.version_d) } > _region_  \
  .gnu.version_r : FOLLOWING(.gnu.version_d) { *(.gnu.version_r) } > _region_  \
  .plt           : FOLLOWING(.gnu.version_r) { *(.plt)           } > _region_

#define SECTION_RELOCS(_region_, _vma_, _lma_)                              \
  .rel.text      :                                                          \
    {                                                                       \
      *(.rel.text)                                                          \
      *(.rel.text.*)                                                        \
      *(.rel.gnu.linkonce.t*)                                               \
    } > _region_                                                            \
  .rela.text     :                                                          \
    {                                                                       \
      *(.rela.text)                                                         \
      *(.rela.text.*)                                                       \
      *(.rela.gnu.linkonce.t*)                                              \
    } > _region_                                                            \
  .rel.data      :                                                          \
    {                                                                       \
      *(.rel.data)                                                          \
      *(.rel.data.*)                                                        \
      *(.rel.gnu.linkonce.d*)                                               \
    } > _region_                                                            \
  .rela.data     :                                                          \
    {                                                                       \
      *(.rela.data)                                                         \
      *(.rela.data.*)                                                       \
      *(.rela.gnu.linkonce.d*)                                              \
    } > _region_                                                            \
  .rel.rodata    :                                                          \
    {                                                                       \
      *(.rel.rodata)                                                        \
      *(.rel.rodata.*)                                                      \
      *(.rel.gnu.linkonce.r*)                                               \
    } > _region_                                                            \
  .rela.rodata   :                                                          \
    {                                                                       \
      *(.rela.rodata)                                                       \
      *(.rela.rodata.*)                                                     \
      *(.rela.gnu.linkonce.r*)                                              \
    } > _region_                                                            \
  .rel.got       :   { *(.rel.got)    } > _region_                          \
  .rela.got      :   { *(.rela.got)   } > _region_                          \
  .rel.ctors     :   { *(.rel.ctors)  } > _region_                          \
  .rela.ctors    :   { *(.rela.ctors) } > _region_                          \
  .rel.dtors     :   { *(.rel.dtors)  } > _region_                          \
  .rela.dtors    :   { *(.rela.dtors) } > _region_                          \
  .rel.init      :   { *(.rel.init)   } > _region_                          \
  .rela.init     :   { *(.rela.init)  } > _region_                          \
  .rel.fini      :   { *(.rel.fini)   } > _region_                          \
  .rela.fini     :   { *(.rela.fini)  } > _region_                          \
  .rel.bss       :   { *(.rel.bss)    } > _region_                          \
  .rela.bss      :   { *(.rela.bss)   } > _region_                          \
  .rel.plt       :   { *(.rel.plt)    } > _region_                          \
  .rela.plt      :   { *(.rela.plt)   } > _region_                          \
  .rel.dyn       :   { *(.rel.dyn)    } > _region_

#define SECTION_init(_region_, _vma_, _lma_)   \
  .init _vma_ : _lma_                          \
    {                                          \
      FORCE_OUTPUT; KEEP (*(.init))            \
    } > _region_ =0

#define SECTION_text(_region_, _vma_, _lma_)   \
  .text _vma_ : _lma_                          \
    {                                          \
      _stext = .; _ftext = . ;                 \
      *(.text)                                 \
      *(.text.*)                               \
      *(.stub)                                 \
      *(.gnu.warning)                          \
      *(.gnu.linkonce.t*)                      \
      *(.mips16.fn.*) *(.mips16.call.*)        \
    } > _region_ =0                            \
  _etext = .; PROVIDE (etext = .);

#define SECTION_fini(_region_, _vma_, _lma_)   \
  .fini _vma_ : _lma_                          \
    {                                          \
      FORCE_OUTPUT; KEEP (*(.fini))                   \
    } > _region_ =0

#define SECTION_rodata(_region_, _vma_, _lma_)        \
  .rodata _vma_ : _lma_                               \
    {                                                 \
      FORCE_OUTPUT; *(.rodata) *(.rodata.*) *(.gnu.linkonce.r*)    \
    } > _region_

#define SECTION_rodata1(_region_, _vma_, _lma_)       \
  .rodata1 _vma_ : _lma_                              \
    {                                                 \
     FORCE_OUTPUT; *(.rodata1) *(.rodata1.*)          \
    } > _region_

#define SECTION_vsr_table(_region_, _vma_, _lma_)     \
  .vsr_table _vma_ : _lma_                            \
    {                                                 \
      FORCE_OUTPUT; *(.vsr_table)                     \
    } > _region_

#define SECTION_data(_region_, _vma_, _lma_)          \
  .data _vma_ : _lma_                                 \
    {                                                 \
      __ram_data_start = ABSOLUTE (.); _fdata = . ;   \
      *(.data) *(.data.*) *(.gnu.linkonce.d*)         \
      *( .2ram.*)                                     \
    . = ALIGN (8);                                    \
    SORT(CONSTRUCTORS)                                \
    } > _region_                                      \
    __rom_data_start = LOADADDR(.data);

#define SECTION_data1(_region_, _vma_, _lma_)         \
  .data1 _vma_ : _lma_                                \
    {                                                 \
       FORCE_OUTPUT; *(.data1) *(.data1.*)            \
    } > _region_

#define SECTION_eh_frame(_region_, _vma_, _lma_)      \
  .eh_frame _vma_ : _lma_                             \
    {                                                 \
       FORCE_OUTPUT; *(.eh_frame)                     \
    } > _region_

#define SECTION_gcc_except_table(_region_, _vma_, _lma_) \
  .gcc_except_table _vma_ : _lma_                        \
    {                                                    \
      FORCE_OUTPUT; *(.gcc_except_table)                 \
    } > _region_


    /* gcc uses crtbegin.o to find the start of
       the constructors, so we make sure it is
       first.  Because this is a wildcard, it
       doesn't matter if the user does not
       actually link against crtbegin.o; the
       linker won't look for a file to match a
       wildcard.  The wildcard also means that it
       doesn't matter which directory crtbegin.o
       is in.  */

    /* We don't want to include the .ctors section from
       the crtend.o file until after the sorted ctors.
       The .ctor section from the crtend file contains the
       end of ctors marker and it must be last */

/* FIXME: We shouldn't need to define __CTOR_LIST__/__CTOR_END__
   and __DTOR_LIST__/__DTOR_END__ except by the PROVIDE lines.
   However this doesn't work for old (99r1-era) toolchains, so
   leave it for now. */

#define SECTION_ctors(_region_, _vma_, _lma_)     \
  .ctors _vma_ : _lma_                            \
    {                                             \
      FORCE_OUTPUT;                               \
      KEEP (*crtbegin.o(.ctors))                  \
      __CTOR_LIST__ = .;                \
      PROVIDE (__CTOR_LIST__ = .);                \
      KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))   \
      KEEP (*(SORT(.ctors.*)))                    \
      KEEP (*(.ctors))                            \
      __CTOR_END__ = .;                 \
      PROVIDE (__CTOR_END__ = .);                 \
    } > _region_

#define SECTION_dtors(_region_, _vma_, _lma_)     \
  .dtors _vma_ : _lma_                            \
    {                                             \
      FORCE_OUTPUT;                               \
      KEEP (*crtbegin.o(.dtors))                  \
      __DTOR_LIST__ = .;                \
      PROVIDE (__DTOR_LIST__ = .);                \
      KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))   \
      KEEP (*(SORT(.dtors.*)))                    \
      KEEP (*(.dtors))                            \
      __DTOR_END__ = .;                 \
      PROVIDE (__DTOR_END__ = .);                 \
    } > _region_

#define SECTION_devtab(_region_, _vma_, _lma_)    \
  .devtab _vma_ : _lma_                           \
    {                                             \
      FORCE_OUTPUT;                               \
      KEEP(*( SORT (.ecos.table.*))) ;            \
    } > _region_

#define SECTION_got(_region_, _vma_, _lma_)     \
  _gp = ALIGN(16) + 0x7ff0;                     \
  .got _vma_ : _lma_                            \
    {                                           \
      FORCE_OUTPUT; *(.got.plt) *(.got)         \
    } > _region_

#define SECTION_dynamic(_region_, _vma_, _lma_) \
  .dynamic _vma_ : _lma_                        \
    {                                           \
      FORCE_OUTPUT; *(.dynamic)                 \
    } > _region_

  /* We want the small data sections together, so single-instruction offsets
     can access them all, and initialized data all before uninitialized, so
     we can shorten the on-disk segment size.  */

#define SECTION_sdata(_region_, _vma_, _lma_)                 \
  .sdata _vma_ : _lma_                                        \
    {                                                         \
      FORCE_OUTPUT; *(.sdata) *(.sdata.*) *(.gnulinkonce.s*)  \
    } > _region_

#define SECTION_lit8(_region_, _vma_, _lma_)    \
  .lit8 _vma_ : _lma_                           \
    {                                           \
      FORCE_OUTPUT; *(.lit8)                    \
    } > _region_

#define SECTION_lit4(_region_, _vma_, _lma_)    \
  .lit4 : FOLLOWING(.lit8)                      \
    {                                           \
      FORCE_OUTPUT; *(.lit4)                    \
    } > _region_                                \
  __ram_data_end = .; _edata = . ;              \
  PROVIDE (edata = .);

#define SECTION_sbss(_region_, _vma_, _lma_)                    \
  __bss_start = .; _fbss = .;                                   \
  .sbss _vma_ : _lma_                                           \
    {                                                           \
      FORCE_OUTPUT; *(.dynsbss) *(.sbss) *(.sbss.*) *(.scommon) \
    } > _region_

#define SECTION_bss(_region_, _vma_, _lma_)       \
  .bss _vma_ : _lma_                              \
    {                                             \
      *(.dynbss) *(.bss) *(.bss.*) *(COMMON)      \
    } > _region_                                  \
  __bss_end = .;

/* The /DISCARD/ section ensures that the output will not contain a
 * .mdebug section as it confuses GDB. This is a workaround for CR 100804.
 */

#define SECTIONS_END . = ALIGN(4); _end = .; PROVIDE (end = .); \
  /* Stabs debugging sections.  */                              \
  .stab          0 : { *(.stab) }                               \
  .stabstr       0 : { *(.stabstr) }                            \
  .stab.excl     0 : { *(.stab.excl) }                          \
  .stab.exclstr  0 : { *(.stab.exclstr) }                       \
  .stab.index    0 : { *(.stab.index) }                         \
  .stab.indexstr 0 : { *(.stab.indexstr) }                      \
  .comment       0 : { *(.comment) }                            \
  /* DWARF debug sections.                                      \
     Symbols in the DWARF debugging sections are relative to    \
     the beginning of the section so we begin them at 0.  */    \
  /* DWARF 1 */                                                 \
  .debug          0 : { *(.debug) }                             \
  .line           0 : { *(.line) }                              \
  /* GNU DWARF 1 extensions */                                  \
  .debug_srcinfo  0 : { *(.debug_srcinfo) }                     \
  .debug_sfnames  0 : { *(.debug_sfnames) }                     \
  /* DWARF 1.1 and DWARF 2 */                                   \
  .debug_aranges  0 : { *(.debug_aranges) }                     \
  .debug_pubnames 0 : { *(.debug_pubnames) }                    \
  /* DWARF 2 */                                                 \
  .debug_info     0 : { *(.debug_info) }                        \
  .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) }                   \
  /* These must appear regardless of  .  */                     \
  .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }             \
  .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }                \
  /DISCARD/        0 : { *(.mdebug) }

#include CYGHWR_MEMORY_LAYOUT_LDI

hal_vsr_table = 0x80000200;
hal_virtual_vector_table = 0x80000300;
