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/*
*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 -lslite86x -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 = .;
__EH_FRAME_BEGIN__ = .;
CREATE_OBJECT_SYMBOLS
*(.text)
__CTOR_LIST__ = .;
LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2)
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*crtend.o(.ctors))
LONG(0)
__CTOR_END__ = .;
__DTOR_LIST__ = .;
LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2)
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*crtend.o(.dtors))
LONG(0)
__DTOR_END__ = .;
_etext = .;
*(.init)
*(.lit)
*(.rodata)
*(.shdata)
*(.eh_frame)
*(.gnu.linkonce.t*)
*(.gnu.linkonce.r*)
*(.gcc_except_table)
*(.fini)
} > ram
.shbss SIZEOF(.text) + ADDR(.text) : {
*(.shbss)
}
.talias : { } > ram
.data ALIGN(0x2000) : {
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) }
/* 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 . */
}
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