[megadrive.git] / megaed-stop / ed_app.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 = 0x00100000, LENGTH = 0x00300000\r
	ram : ORIGIN = 0x00ff0100, LENGTH = 0x0000FF00\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 0x00100000:\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
    *(.gcc_except_table)\r
\r
    __INIT_SECTION__ = . ;\r
    *(.init)\r
    SHORT (0x4e75)	/* rts */\r
\r
    __FINI_SECTION__ = . ;\r
    *(.fini)\r
    SHORT (0x4e75)	/* rts */\r
\r
    _etext = .;\r
    *(.lit)\r
  } > rom\r
\r
  .data 0xff0100 :\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
Commit	Line	Data
d2bfad8a	1	OUTPUT_ARCH(m68k)\r
	2	SEARCH_DIR(.)\r
	3	/GROUP(-lbcc -lc -lgcc)/\r
	4	__DYNAMIC = 0;\r
	5	\r
	6	/*\r
	7	* Setup the memory map of the SEGA Genesis.\r
	8	* stack grows down from high memory.\r
	9	*\r
	10	* The memory map look like this:\r
	11	* +--------------------+ <- low memory\r
	12	* \| .text \|\r
	13	* \| _etext \|\r
	14	* \| ctor list \| the ctor and dtor lists are for\r
	15	* \| dtor list \| C++ support\r
	16	* +--------------------+\r
	17	* \| .data \| initialized data goes here\r
	18	* \| _edata \|\r
	19	* +--------------------+\r
	20	* \| .bss \|\r
	21	* \| __bss_start \| start of bss, cleared by crt0\r
	22	* \| _end \| start of heap, used by sbrk()\r
	23	* +--------------------+\r
	24	* . .\r
	25	* . .\r
	26	* . .\r
	27	* \| __stack \| top of stack\r
	28	* +--------------------+\r
	29	*/\r
	30	MEMORY\r
	31	{\r
	32	rom : ORIGIN = 0x00100000, LENGTH = 0x00300000\r
	33	ram : ORIGIN = 0x00ff0100, LENGTH = 0x0000FF00\r
	34	}\r
	35	\r
	36	/*\r
	37	* allocate the stack to be at the top of memory, since the stack\r
	38	* grows down\r
	39	*/\r
	40	\r
	41	PROVIDE (__stack = 0x00fffff0);\r
	42	\r
	43	/*\r
	44	* Initalize some symbols to be zero so we can reference them in the\r
	45	* crt0 without core dumping. These functions are all optional, but\r
	46	* we do this so we can have our crt0 always use them if they exist. \r
	47	* This is so BSPs work better when using the crt0 installed with gcc.\r
	48	* We have to initalize them twice, so we cover a.out (which prepends\r
	49	* an underscore) and coff object file formats.\r
	50	*/\r
	51	PROVIDE (hardware_init_hook = 0);\r
	52	PROVIDE (_hardware_init_hook = 0);\r
	53	PROVIDE (software_init_hook = 0);\r
	54	PROVIDE (_software_init_hook = 0);\r
	55	\r
	56	SECTIONS\r
	57	{\r
	58	.text 0x00100000:\r
	59	{\r
	60	*(.text)\r
	61	. = ALIGN(0x4);\r
	62	__CTOR_LIST__ = .;\r
	63	LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2)\r
	64	*(.ctors)\r
65	LONG(0)\r
66	__CTOR_END__ = .;\r
67	__DTOR_LIST__ = .;\r
68	LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2)\r
69	*(.dtors)\r
70	LONG(0)\r
71	__DTOR_END__ = .;\r
72	(.rodata)\r
73	*(.gcc_except_table)\r
74	\r
75	__INIT_SECTION__ = . ;\r
76	*(.init)\r
77	SHORT (0x4e75) /* rts */\r
78	\r
79	__FINI_SECTION__ = . ;\r
80	*(.fini)\r
81	SHORT (0x4e75) /* rts */\r
82	\r
83	_etext = .;\r
84	*(.lit)\r
85	} > rom\r
86	\r
87	.data 0xff0100 :\r
88	{\r
89	*(.shdata)\r
90	*(.data)\r
91	_edata = .;\r
92	} > ram\r
93	\r
94	/* .bss 0xff0100 : */\r
95	.bss BLOCK (0x4) :\r
96	{\r
97	__bss_start = . ;\r
98	*(.shbss)\r
99	*(.bss)\r
100	*(COMMON)\r
101	*(.eh_fram)\r
102	*(.eh_frame)\r
103	_end = ALIGN (0x8);\r
104	__end = _end;\r
105	} > ram\r
106	\r
107	.stab 0 (NOLOAD) :\r
108	{\r
109	*(.stab)\r
110	}\r
111	\r
112	.stabstr 0 (NOLOAD) :\r
113	{\r
114	*(.stabstr)\r
115	}\r
116	}\r