some tests

[megadrive.git] / testsram / sega.ld

OUTPUT_ARCH(m68k)\r
SEARCH_DIR(.)\r
/*GROUP(-lbcc -lc -lgcc)*/\r
__DYNAMIC  =  0;\r
\r
/*\r
 * Setup the memory map of the SEGA Genesis.\r
 * stack grows down from high memory.\r
 *\r
 * The memory map look like this:\r
 * +--------------------+ <- low memory\r
 * | .text              |\r
 * |        _etext      |\r
 * |        ctor list   | the ctor and dtor lists are for\r
 * |        dtor list   | C++ support\r
 * +--------------------+\r
 * | .data              | initialized data goes here\r
 * |        _edata      |\r
 * +--------------------+\r
 * | .bss               |\r
 * |        __bss_start | start of bss, cleared by crt0\r
 * |        _end        | start of heap, used by sbrk()\r
 * +--------------------+\r
 * .                    .\r
 * .                    .\r
 * .                    .\r
 * |        __stack     | top of stack\r
 * +--------------------+\r
 */\r
MEMORY\r
{\r
	rom : ORIGIN = 0x00000000, LENGTH = 0x00400000\r
	ram : ORIGIN = 0x00ff0000, LENGTH = 0x00010000\r
}\r
\r
/*\r
 * allocate the stack to be at the top of memory, since the stack\r
 * grows down\r
 */\r
\r
PROVIDE (__stack = 0x00fffff0);\r
\r
/*\r
 * Initalize some symbols to be zero so we can reference them in the\r
 * crt0 without core dumping. These functions are all optional, but\r
 * we do this so we can have our crt0 always use them if they exist. \r
 * This is so BSPs work better when using the crt0 installed with gcc.\r
 * We have to initalize them twice, so we cover a.out (which prepends\r
 * an underscore) and coff object file formats.\r
 */\r
PROVIDE (hardware_init_hook = 0);\r
PROVIDE (_hardware_init_hook = 0);\r
PROVIDE (software_init_hook = 0);\r
PROVIDE (_software_init_hook = 0);\r
\r
SECTIONS\r
{\r
  .text 0x00000000:\r
  {\r
    *(.text)\r
    . = ALIGN(0x4);\r
     __CTOR_LIST__ = .;\r
    LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2)\r
    *(.ctors)\r
    LONG(0)\r
    __CTOR_END__ = .;\r
    __DTOR_LIST__ = .;\r
    LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2)\r
    *(.dtors)\r
     LONG(0)\r
    __DTOR_END__ = .;\r
    *(.rodata*)\r
/*\r
    *(.gcc_except_table)\r
\r
    __INIT_SECTION__ = . ;\r
    *(.init)\r
    SHORT (0x4e75)\r
\r
    __FINI_SECTION__ = . ;\r
    *(.fini)\r
    SHORT (0x4e75)\r
*/\r
    _etext = .;\r
    *(.lit)\r
  } > rom\r
\r
  .data 0xff0000 :\r
  {\r
    *(.shdata)\r
    *(.data)\r
    _edata = .;\r
  } > ram\r
\r
  /* .bss 0xff0100 : */\r
  .bss BLOCK (0x4) :\r
  {\r
    __bss_start = . ;\r
    *(.shbss)\r
    *(.bss)\r
    *(COMMON)\r
    *(.eh_fram)\r
    *(.eh_frame)\r
    _end =  ALIGN (0x8);\r
    __end = _end;\r
  } > ram\r
\r
  .stab 0 (NOLOAD) :\r
  {\r
    *(.stab)\r
  }\r
\r
  .stabstr 0 (NOLOAD) :\r
  {\r
    *(.stabstr)\r
  }\r
}\r