calm32_core.ld

开放源码实时操作系统源码.

#define SECTION_data(_region_, _vma_, _lma_)          \
  .data _vma_ : _lma_                                 \
    {                                                 \
      __ram_data_start = ABSOLUTE (.); _fdata = . ;   \
      *(.data) *(.data.*) *(.gnu.linkonce.d*)         \
    . = 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.*) *(.gnu.linkonce.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.*) *(.gnu.linkonce.sb.*) *(.scommon) \
    } > _region_

#define SECTION_bss(_region_, _vma_, _lma_)       \
  .bss _vma_ : _lma_                              \
    {                                             \
      *(.dynbss) *(.bss) *(.bss.*) *(.gnu.linkonce.b.*) *(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 = 0x0;
_hal_virtual_vector_table = 0x100;