/* *uncomment this if you want the linker to output srecords. OUTPUT_FORMAT(srec) * */ ENTRY(_start) STARTUP(crt0.o) OUTPUT_ARCH(sparc) SEARCH_DIR(.) __DYNAMIC = 0; GROUP (-lc -lslite934 -lgcc) /* * The memory map looks like this: * +--------------------+ <- low memory * | .text | * | _stext | * | _etext | * | ctor list | the ctor and dtor lists are for * | dtor list | C++ support * | _end_text | * +--------------------+ * | .data | initialized data goes here * | _sdata | * | _edata | * +--------------------+ * | .bss | * | __bss_start | start of bss, cleared by crt0 * | _end | start of heap, used by sbrk() * +--------------------+ * | heap space | * | _ENDHEAP | * | stack space | * | __stack | top of stack * +--------------------+ <- high memory */ _STACK_SIZE = (16 * 1024); _RAM_SIZE = 2M; _RAM_START = 0x40010000; _RAM_END = _RAM_START + _RAM_SIZE; /* * Base address of the on-CPU peripherals. This is for compatability * with the simulator. */ _ERC32_MEC = 0x0; /* * Setup the memory map of the MB86931-EB Board (ex931) * stack grows down towards low memory. */ MEMORY { ram (rwx) : ORIGIN = 0x40010000, LENGTH = 2M } __stack = _RAM_START + _RAM_SIZE - 4 * 16; __trap_stack = (_RAM_START + _RAM_SIZE - 4 * 16) - _STACK_SIZE; /* * All the symbols that might be accessed from C code need to be * listed twice, once with an additional underscore. aout format needs * and extra underscore, whereas coff & elf doesn't. This is to work * with both. */ /* * Initalize some symbols to be zero so we can reference them in the * crt0 without core dumping. These functions are all optional, but * we do this so we can have our crt0 always use them if they exist. * This is so BSPs work better when using the crt0 installed with gcc. * We have to initalize them twice, so we cover a.out (which prepends * an underscore) and coff object file formats. */ PROVIDE (hardware_init_hook = 0); PROVIDE (_hardware_init_hook = 0); PROVIDE (software_init_hook = 0); PROVIDE (_software_init_hook = 0); SECTIONS { .text : { stext = .; _stext = .; CREATE_OBJECT_SYMBOLS *(.text) __CTOR_LIST__ = .; LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2) *(.ctors) LONG(0) __CTOR_END__ = .; __DTOR_LIST__ = .; LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2) *(.dtors) LONG(0) __DTOR_END__ = .; _etext = .; *(.lit) *(.shdata) } > ram .shbss SIZEOF(.text) + ADDR(.text) : { *(.shbss) } .talias : { } > ram .data : { sdata = .; _sdata = .; *(.data) edata = .; _edata = .; } > ram .bss SIZEOF(.data) + ADDR(.data) : { sbss = . ; _sbss = . ; __bss_start = ALIGN(0x8); __bss_start = ALIGN(0x8); *(.bss) *(COMMON) end = ALIGN(0x8); _end = ALIGN(0x8); __end = ALIGN(0x8); ebss = .; _ebss = .; } .mstack : { } > ram .rstack : { } > ram .stab 0 (NOLOAD) : { [ .stab ] } .stabstr 0 (NOLOAD) : { [ .stabstr ] } /* 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) } .debug_ranges 0 : { *(.debug_ranges) } /* 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 . */ }